SCIENTIFIC ABSTRACT DELONE, N.L. - DELONG, B.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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2o-119--4-48/(50 Combined Effect of Ethylene Diamine Tetraacetic Acid and X-Ray Radiation Upon Microspores of Tradescantia paludosa in the Interphase of ionizing radiations on cells in the state of the inter- phase only reformations of chromosomos are formed. Chromatids reconstructions are formed in the case of effect on the cells in the prophase, whereas the semi-chromati(]~, are formed in the premetaphase. In the interphase the chromosomes are torn by ionizing radiations like a thread, in the prophase eE6ch chromosome can be torn separately, i. e. the chromosome forms at that moment something like a double thread. In the pre- metaphase a chromosome consists so to speak of 4 threadeeach if which can be torn separately. The author's experi- ments showed that the combined effect on.,the chromosomes mentioned in the title is not only quantitative, also a quali- tative difference is found: in the case of radiation of the cells in the free interphase which had been pre-treated with ethylene diamine tetraacetiC Acid, with X-rays,reformations are formed not only of a chromosome type, but also of a Card 2/3 chromatid and semi-chromatid type. ~he author used much 21(3) 9OV2 o- 1 22..A.. 11 /57 ATITTIOR: TITLE: The Sensitivity to X.-Rad-4ation of the Microsporen Tradescantia Paludosa in Various Phasos of Mic Pont--!oiotic MiLuois (Cliuvotvitellnost1k rent-enovolcomu Tradescantia pp-luflosa na ra-mi.,,1-h fa~~_-I:h 1),-rvo,-,o posti~-eycti- cheslcoao --ii"o7a) I'ERIODIC.,"L: Doklad, Akaderaii nauk SSSR, V5[", Val 1212, Nr 5,132--r,^J~ (USSR) ADSTRACT: Thij -puler deals with the --radiation 1- X-rays tInt, iticro- pores of Tradescantia paltidoon (Sakp,~, 'n = 12) In the sarly and late intcr-ilin.2e and in the 1,rc-phasn (~'vofa'za) Of tile first postmeiotic mi-togis. The advantaL;os c" this o~-Ject are dis- cunse(l. The im,ad4qtion of --L-L) the fol- lmvir,L; result3; The colls in the prw h, tie have nearly ilhe double aensitivitL- of the cells in 'Pic the late interphase is sonewhat mare sensitive t':t--r the early one. If the irradiation dose increases, tile increase in L~a number of dicentrics and ririfs is 1~,iL;her t1han tha-10 in the number of Card 1/3 rrvjments. There are more U I SOV/20- 122-4-1 1/57 The Senuitivity to X-Radiation of the Microsporen Trarleocantia Paludosa in Various Phases of the First Postniciotic Mitosis in the prophase3 than in the interplha.,ies. AccorlinG to tile results of this and also of other papers, Hho 0-hror-logo.,lies in the interphase are more sensitive to X-rays t1han those in tile prollhase if tile number of the cl!rorwaome structure variation,,, ij used as a criterion. The cauoes of #;,'.is -lifferent raflia- tion aensitvity are rather complex an,' tl:3y depend on -.1everal factorsz 1) The stability of the bonds ,,.,I'th_,n the chromosomes car, vary du-,inC; the passing of the chrOMOSOEes thruii,-,h. the phases of their develcpmient. 2) Fcor the ow-ze n,,,mber of Primary ruptures (razryv), there can be a different number of re- uniono of fragments in the previctia nanner, of traramu tat ions in an other order, and of the formation of I'cloze~" fra.:r- ments which can neither recorIhine nor tranjeumbille- 3) The fission of the chromosomes into chromatids and somichror.-latids causes an increase in the chances of chromosome structure variations, 4) The torsion anrl the notion of Mhe chromco ones can be different in the various phases of the cell. cycluo. There are 3 figures, I table, and 1.3 references, 0 of which Card 2/3 is Soviet. 507/20-122-4-11/57 The Sensitivity to X-Radiation of the Microapores Tradcsc~atia Paluclosa -in Various Phaces of the Pirst Postneiotic Uitosis ASSOCTATION: Inatitut biofiziki Akudemii nauk SSSR (Institute of Biophyqics, lcademy of 3ci-ences, USSR) PRESENTED: ',Ivy 2-, by V. N. Sul-achav, ;~cadcumician SUBYIT'7ED: May 23, 1910 Card 3/3 DELONS, 11. L. concentrations of ethylandiamintetraacetle acid on microuporee of Tradeacantia paludosa. TSitalogiia 1 no.2:234-237 Mr-Ap '59. (mink 12:9) 1. Iaboratoriya radiatsionnoy genetiki Instituta biofiziki AN SSMt, 14oskva. (POT (AGICTIC ACID) KHVOSTOVA. V. Radiation sensitivity of the meristem of gemmiles and rootlets In pea and barley embryos, TSItologtia I no.3:320-321 N7-J* '59. (MIRL 12:10) 1. Laboratoriya radiatsionnoy genetiki Instituta biofiziki AN SSWI. Moskva. (PLUVS, HFMT OF RADIUCTIVITY ON) MWIS -. W.,L. Daration of individual phaeso in the microsporegeneole of Tradoacm~ntia paludoea. Bet. zhuro 44 no.1:61-64 Ja 159. (MMA 12:1) loInatitut biofiziki AN SSSR, labQratoriya radiegenstiki, Moskva. (Spiderwort)' (Pollen) DELONE v W.L. Cbramovame rearrangements induced by-ionizing radiation. Itogi nauki: Biols nauki no. 3tlOd~-122 160. (MIRA 13:10) (RADIATION-PHYSIOLOGICAL EFFECT) (CHROMOSOMES) DELONE 9 V L a radiation Sensitivity to ionizing during various pbaaeo of mitosis and meiosis, Itogi, naukit Biolo nauld no. 3:155-175 160. (MIRA 13:10) (RADIATION-PUSIOWGICAL EFIECT) (KkRYOKINESIS) DURININg. N.P.; KHVOSTOUp- VAO ~~ X.Lo Ioni!?ing radiatiorat-and 4Wmt-1weeding. ltcgi lluldIiol, rmllki .no* 3:292-323 160. :LP:10) (PLANTSo, EFFECT OF RADIATION ON) (PLANT BREED G) ACCESSION NR: AT4042674 S/ODOO/63/000/000/0149/0133 AUTHOR: Delone, N. Lo; Popovich, P. Ro; Azkt1povq Vo V.; VyBotakil, Ve 0- iTITIX: Alterations in mitotic activity following space flights SOURCE: Konferentsiya po aviatsionnoy i komicheakoy neditaine, 1963o Aviatsionnaya i ko6michaskeya meditaina (Aviation and space medicine); materialyo 1konferentaii. Moscow, 1963, 149-153 TOPIC TAGS: microspore, spaceflight effect, mitotic activity, Tradescantla paludona, Vostok 3, Vostak-4 AMRACT, Tradeacantia paludona microspores were cultivated in special biological cartridges on Vostok 3 and Vostok 4 to determine how conditions of space flight affect mitotic processes. In one experiment on Vostok 4, -P. R. Popovich fized cultures after an orbiting time of 56 hours. In two other tests, cultures were examined 18 and 48 hours after ie-entry. Significant alterations in mitotic pro- ceases were observed as a result of exposure to conditions of apace flight. The authors suggest that the basic mechanism of these alterations must have be*& eightlesaness because other experiments have shown that gravitational forces and 1/2 Acassiom NR: AT402674 radiation, doses-higber than those encountered during spece flights are required to produce mitotic eberrations* ASSOCIATIONs no= SUINITM: 278op63 ZIRCLI W, an COWS Le NO MW Myt 00~ 000 12/2 .2/BDS/1-3S(a)/Ep(j)/ES(C)/ES(k) tE0-2/ZSCv)/ L19h52-63 3W(1)#0,C(sr)/FS(v)- C/AIM/AFf J6DC/93D-3:._ Fb-h/Fi--h/F0--h/Fe-4/Fq-4 _ T ES (t)-2A ACCESSION NR: -AP3007351 S/0293/63/00'1/001/0182/0185 Vyl* AUTHOR: Gordon L. K.- Deldne..N. L..*. Anti~ov V. V. -~otskiyf V. G. Effect of space-fUght tok-3 on seeds of, TITLE: conditions on Vos higher jlan~s 'Kosmicheskiye Lssledovaniya, V. .10 no. 1, 1963, 182-1 SUORCE: 85 TOPIC TAGS: space flight.effect, Vostok 3j wheat seed, lettuce seed, be.ans, pineseed, chromosome reconstruction ABSTRACT: Dry seeds of 14 different kinds of higher: plants were' ~,taken on board Vostok-3. Three'eriteria were used toldetermine the effects of space.-.night: sprouting,-rate of growth, and per- centage of chromosome reconstructions.' Examination revealed that flight conditions produced 'a statistically significant increase -186 (a wheat-agropyron,hybrid) and (27 +7.44Z) in sprouting of, PPG a sienificantdecrease (7.8.+1.96%),in sprouting of Berlin let-tuce, Similar-effects were noted-in growth rates. The seeds of black Rus'slan beans and pine were test-dd for chromosome reconstructions, Caid 1/2 L 19452-63-- -ACCESSION NRt AP3007351 0 and in both cases a definite tendency tow'aids-an increise In tb 'I number of reconstructions wAs observed. Orig. art. hast- 3 ta*bee ASSOCIATION: none SUBMITTED: 24Apr63 DATE ACQ: 210ct63 ENCL: 00 SUB CODE:' AM NO REF SOV: 003 OTHERS 00V 4 Card.2./2 DELONEY N.L.; POPOVICH, P.R.; ANTIPOV, V.V.; VYSOTSKIY, V.G. Effect of cosmic f:dght factors in the satellite-spaceships "Vostok--3" and "Vostok-411 an inicrospores of Tradescantia paludosa. Kosm. issl. 1 no.2:312-325 8-0 163. (WRA 17:4) ~1. - -: I.. . I DELONE, N.L.- DANILINA, A.N. Cytochemical properties of the interphase cell nuclei with different physiological functions. Dokl. AN SSSR 151 no.5t 1195-1197 Ag 163. (MIRA 16:1) 1. Predstavleno akademikom A.N.Belozerskim. (CELL NUCLEI) POPOVICH, P.R.; ANTIPOV, V.V.; VYSOTSKIY, V.G. New types of chromosome rearrangements in the microspores of Trades- cantia paludosa under the influence of certain factors during spaceship flights. Dokl. AN SSSR 152 no-5:1227-1230 0 163. (MIRA 16:12) 1. Predstavleno akademikom N.M.Sisakyanom. k I NO RISF SOVI :-.~ -bat 6THHR-.~ 006:, ATD PR A & :Cclr*a a S/ 0293/64/002/002/0320/03 ACCESSION NR.* AP4034805 29' AUTHOR: Del~!ne,-K.--L.; By*kovskiy, V..F.; Antipov. V. V.; Parfanov,.. Go P.; Vy*-soiskiy, V. Go; Rudneva, No A.' TITLEt. Effect of Vostok-5 paludosi microspores* and Vostok-6 space flights on TradescontLi SOURCE: Kosmicheskiye Los ledovaniya, v. 2, no. 2, 1964'. 320-329. TOPIC TAGSt space flight, Vostok 5, Vostok 6, microspore. mitosis', Ivibration, acceleration, weightlessness, Tradescantia ABSTRACTt Exposure of Trandescantia microspores to orbital flights in Vostok-5 and Vostok-6 spaceships adversely affected the mitotic mechanism* Cytological analysis of the samples revealed ftwe types of tabnormalitiest Type 1. incomplete mitosis due to nondisjunctLon of chromosomes; Type 11, "rosette" chromosome alignment on the metaphaso plate; Type 111, nondisjunction --a-irrations in spindle orientation (the nuclei in the experimental in the control spores are located in different planes); Type IV. nc.,..disjunction of chromosomes or do- layed talophase; Type V, multipolar mitosis leading to the formation Card -~.-Cord '21 24. 19641-,-.-.4 1~, y DE,LONE, N.L.; VY,90TSKIY, V.G. Sensitivity of different phases of mitosis in the micrcspora3 of Tradescantia paludosa to acceleration. Izv. AV SSSR. Ser. biol. no.6:900-.907 N-D 164. (HIRA 17: 11) I ;z -. - =1 ~ ---, -_2 - - - - - -- --- DELONE. N.L.; BYKOVSKI.Y, V.F.; ANTIPOV2 V.V. Development of-distu'rbances in the mitosis mechanism of Tra- descantia paludoss. microspores under the influence of different flight periods on the Vostok-5 spaceship. DAL AN.SSSR 159 no.2t439-441 N 164. (MW- 17s12) 1. Predstavleno akademikom N.M. Sisakyanom. DELONE, N.L. Use of higher plants as Indicators In ntudying the effect of the factors of sputnik flights on the living cell. Probl. kosm. biol. 4004,307 165. (min 18:9) 7SUBMIT-nD-.- :7.- Z ATD. PRES OMR: 007 s -4031 [0 REF SOV41-1 rd ANTIPOV, V.V.;_LELONE,.N.L.; PARFENOV, G.P.; VYSOTSKIY, V.G. Results Of biological tests during the flight on 'rVostok" ships with the participation of the astronauts. Probl. kosm. biol. 4t248-26o 165. (MIRA 18:9) IL - 0 -KOZLOVp V.A. Lrff*ect of"p-mercaptopropylealue on the reduction of chromosom breakages in aicrompores )f Trad*ocantla paludoss, following Sama irradiation. Radiobiologl& 4 no.6s922-923 t64. (ERA 180) CHERNOBAY, A.V.; SHEPELEVAI A.I.j ZUBKOVA, V.S.1 Prinimali uchastiyel. DELYATITSKAYA, R.Ya., KATMISSKAYA, E.V.; BOBRYSIIEVA, A.m. Spectrophotometirc study of N-vinylcarbazole and methyl methaerylate copolymers. Vyaokm. sced. 7 no.6:1080-1084 Je 165. (MIRA 18:9) 1. VaesoyuzW nauchno-issledovatellskiy institut monokristallovp staintillyatsionnykh materialov i osobo chistykh kbimicheskikh vesbcheatv. DEMAKOV, G.P., assistent Fusariotoxicosis in cattle* Veterinariia 41 no.11: 59-60 N 164. (KIRA 18:11) 1. Kirovskiy sel'skokhozyaystvennyy institut. L. -12777-66 FSS-2/E1VT(1)/Fq(v)-~/iKC d) T~ ACC NRt AP6004398 SOURCE CODE: UR/0020/66/J(1(,./OC#1/071310715' AUTHOR: Delone, N. L.; Yegorov, B. B.; Aq~ ~V.V. ORG: nonV TITLE: the sensitivity of the m1tot1c phases of Tradescantia paludosa microspores to Voskhod-1 s pace-flight factors -17 4- SOURCE: AN SSSR.' ~Doklady,.v. 166j.* no. 3,.1966, 713-715 TOPIC TAGS: Voskhod 1, microspore, Tradescantia paludosa, mitosis, space f light' effect, combined stress ABSTRACT: The au,-.hors analyzed the effects of the Voskhod-l flight (including lift-off and reent-L.\ on the various mitotic phases of Tradescantia paludosa micro- spores, Samples. of the, microspores with their inf lorescesces w:xe placed (n E containers Wdi were attached to the interior of the spaoe cabin. These samples were f1ced at four tims after, the laiding:, 1), at 2 hr, 15 mh (corresponding to middle and late prophaseduring the'flight); 2) -24 hr; 3) 46 hr (corresponding to late interphase); 4) 120 hr (corresponding to early interphase). Some results of the analyses are shown in Tables I and 2 and Figures1 and 2. The.results of the experiments agreed Card 1/5 76.312.36 5 L 12777-66 -ACC NR, AP6004398 Table 1. ~Numbi~r of, chromi;iomil:- rearransements' Mo. f rearran;L ements e, Sample . . ents Fra Recombifia ti;n t it*, 0 0 V fte .a In 0 i 0 . abs % m abs.1 ;% 01 Ian d g Z rA . I . - . . . 2, ~, hr 15 m:fti f6 ; 02 1 . W O"A E 14 .1 Als U t ' ' 0 0.10 ' $1 0.11 j 11 w 4 W 41.1 ill - 0 d 0 S A 33 4 2 0: 0 A . I k 20400 a 39 04 6 .8 48 0.13 0.01 14 0 U7 0,09 ol n 9192 1 0.06 0.02 - 6 005 0.02 1 0.01 0.01 -1 0.03 - 2 0:03 - - - 1 2 0, it.;--Reliability index of the vdrikmt* and.:-cark r0 I -Co smodrotae-,-contiro-1--rMos cow control 2/5 ON - - WE it, ";.. ,' U ~7;'*W~Wm L 12777-66 ACC 6004398 Table 2. Number of r1crospore cells with mitotic disruptions No. of cells Tvoe of d sruption witil III IV V e .1 dig me rtr Ldinj Ilbs I tm . abaj Z ~bs.j, Z labs. I % iab sl % bs. I cd-ftlfrlil :12 ".72 0.211 1 01 3 1 1~ 12-12 I'j 0,91 2141 it 2.57 0.71 14 .11 A 3 101"10. 2 0." I Nucleus remains at the cell wall, chromosomes do not diverge at anaphase and remain attached to thecleavage plane. Mono- nucleate cells.are formed instead of dinucleate. 11 - During metaphase all chromosomes appear to be joined by the cleavage plane in arosette pattern and mononucleate cells are formed. JI1 - The spin.dle.plane orientation is altered; chromosomes during metaphase and telophase'and the nuclei in binucleate cells are situated along an abnormal plane. IV - Nondivergence by chromosoiies which 'remain in,a telophase,attitude. V Tri- and quadripolar mitosis. I Card 3/5 % b 44 42 11-C %C 2hr,,.*24br 48hr 120 br ;2hr,l5mIn-24,hr 48hr 120brr,,. 15 mn Fig. Types of fragments result- ~Fig. 2, Types of recombination re- ing f rom the' Vooklio&l f light. sulting from Ehe-Voskhod-1 flight. a - Total fragments;-b chromosomal a - Total fragments; b - chromosomal .and isochromatid f ragments, - chrol- and isochrumatid fr cnro-, c . agments, c matid fragments;,-d;- spherical fragments. matid fragments; d - spherical fragumentm Card -- -------- - - - - - -- L 23995-66 FS8-2/IW.(l)/EZC(k)-2/EA(d) ~SCTB TT/DD/RD/OW ACC NN AT61003859 .-SOURCE CODE: UR/2665/65/004/000/0248/0260 UTHOR: Anti iov. Y. V. j- ~ql no Le;'Parfenovq G, Pj,; VysotaLl V, IRG: none ITLE Re8u ltIa.1 of biIo lo gio exIp.er iIinfin.ts conducted und-er fligb.t.1,aondo/no n the '!VostokLI'4-spa.ceSbips witb participation of the astronauts A, Go lihol.2.yev,, P. R,- Popovich and V. G. Yjsoj~.k~i-~ IOURCE: AVSSSR. Otdeleniye biologicbeskikh neuk. Problemy :osmicbeskoy biologii., v. 4. 1965, 2k8-260 'OPIC TAGS: experiment animal, spaoe biologic experiment, biologic cceleration effect., radiation biologic effect., space biology, biologic Utation BSTRACT: The effect. of motion, weigbtlessness and cosmic radiation on. ,ropagation, growtb and developmentof organisms was studied in Irosophila melanogaster and Tradescantia poludoss.. Male and female lies were placed into separate glass tubes 6 bours before start of 'ligbt and were fed agar agar and sugar. During fligbt the two Sexes 'ere put into one glass* On the next fligbt the progeny from eggs laid uring weigbtlessness was to-ken along under the same conditions* The Card 1/2 T, 23995-66 ACC NRs AT6003859 flies emerged from the cocoons,6 days later than controls, probably due to the cooler climate in the space cabin. More females than males emerged, the weight of the test flies was lower (due probabl to the high agar content of the diet) and 4 anomalies were seen in 482 flies# involving only one half of.tbe body. No mutants were seen, It is concluded that results were 'normal for the 4 days' flight, but that these findings have only qualitative value. Similar arrangements were made for observing propagation of the plants during flight* Cuttings of raceme of Tradescantia, clonewere,put into a container, to be fixated by -the astronauts 6 and 9 bours.respectively after the start of the two flights. Cytologic analysis,showed chromosome aberration, disturbance, of mitosis and growth processes, and altogether 4 types of disturbances involving the nucleus and tbe-meebanism of mitosis. These disturbances are ascribed mainly to motion,, since the radiation dose was very low (40.-80 millirad). Orig. art.,bas.: 7 figures. SUB_ CODE:,:. 06 P/ SuRk DATE: ORIG REP: 006 14z C~P_D C_ I. L~e: _W0,41> Vo.,b -0 -o K: L Cavd 2 L 40299=~k FSS-2/E'JT(1)/EEC(k)-2 SCTB TTI DD/G3 ACCNIRI AP6007747 SOUR(;E 49(! AUTHORS: Delone, N. L.; Yegorov, B. B.; Antipov- V. V. ORG: none TITM-: The effect of factors of the space fligbt in the manned satellite on Tradescantia paludoss, microspores SOUP',,-r;: Kosmicheskiye issledovaniya, v. 4, no. 1, 1966, 156-161 TOPIC TAGS: microspore, cosmonaut, artificial earth satellite, satellite data analysis, mitosis, microbiology/ Voskhod artificial earth satellite, Vostok 3 artificial earth satellite, Vostok-4 artificial earth satellite, Vostok 5 artificial earth satellite, Vostok 6 artificial earth satellite I-BSTIRACT: The results of a study of the effect of the factors of the space flight of "Voskhod" on Tradescantia paludosa microspores are given. Stalks of Tradescantia paludosa with racemes were placed in special holders in the satellite. The anthers were fixed after planting 4 times: 2 hrs and 15 min, and 24, 46, and 120 lirs. The buds were also fixed 1.5 hrs before planting by coumonaut B. B. Yegorov. Mitosis in the Tradescantia poludosa microspores lasted 7 daya at 30C (interphase 5 days, early prophase 1 day, and all remaining phases 1 day) and the entire cycle lasted 10 days at 20C (interphase 7 days, early prophaae 1.5 days, and all remaining phases another 24 hrs). It was found that the late, and middle prophases were the mo3t sensitive, an( Card 1/2 UDC: 981. L 40299-66 ACC NR: AP6007747 0 thaik; the early interphase was the least sensitive. This study confirmed the earlier hypothosis of N. L. Delone, V F. Bykovsk'.y, V. V. Antipov, G. P. Parfenov, V. G. Vysotskiy, and N. A. Rudneva ~Kosmich. issled., ?, No. 2, 320, 1964) that reorganiza- tion of the chromosomes is caused by one set of Slight factors, while disruption of the mitosis mechanism is caused by another set of factors. Orig. art. has: 7 tables. SUB CODE: 22, o6/ SUBM DAM 02Sep65/ ORIG REP: 002 C r..- d L 03777-67 7-" FSS AP6028343 SOURCE CODE: 3/66/004/004/0634/0640 AUTHOR: Zhukov-Verezhnikov, N.*,N ; Mayskiyoo I. N.; De cone, N. L.* Ry-b-a-k-0-vi- -N-I-s* zllia_~L Kozlov, V. A.; Davydov. B. I.I.'Antivo V. V ;_Sakson=ov T7E: Rvbakova, K. D.; Tribulev, G. P. ORG: none TITLE: Bioalogical investietions on the Voskhod-l and Voskhod-2 spaceships SOURCE: Kasmicheski e issleAvVanA.ya, v. 4, no. 4, 1966, 634-640 -I TOPIC TAGS: biolol Sp8C;f; r2111t -19moffaiM bacteria, -pmetee V_ - - Z)_ $%We d spaceflight wheat.0004/ VoskrdcV_f,AV L IF od 2 ABSTRACT: Experiments were performed on the Voskhod-l and Voskhod-2 spaceships to test the effects of spaceflight on lysogenic cultures of E. - colilK-12 (X). The cultures were carried in 1.5-m1 ampules on board spaceships ~_dd_irFteonov's spacesuit pocket during his EVA. Some of the ampules contained the radipprotective drug 0- mercaptopropylamine. Controls were kept at the coamodrome.and at the home laboratcry. Results showed that on the basis of viability there was no difference between samples carried on Voskhod-l and the controls. Experiments on Voskhad-2 resulted in a slightly highrr viability on the part of experimental cultures as ccmpared to con- trols. Phageproduction of experimental cultures carried on the two flights also did Card 1/2 MC: 629.19A.621!576-R L 037717-67 ACC NR. AP6028343 not exceed phage production of controls. Thus, it was not possible to demonstrate the protective properties of B-mercaptopropylamine. An attempt was made to determine whether spaceflight sensitized lysogenic cultures of E. coli K-12 (A) to consequent exposure to small doses of x-rays. Results showed that phage production in space- flown samples was almost identical to that of the controls. In addition, air-dried seeds of pine and winter wheat (PPG-186) were carried on Voskhod-2 and in Leonov's pocket during his EVA for the purpose of determining the genetic effects of space- flight factors. Results did not reveal any substantial differences between the two spaceflight-exposed groups of Eeeds and the controls. It Is assumed that the absence of the effects of spaceflight factors on lysogenic. bacteria and seeds of higher splants In these two flights is due to the particular conditions under which these flights took. place. Orig. art. has: 5 tables. [BMI SUB CODE: 06/ SUBM DATE: 2lAyr66/ ORIG REF: 013/ OTH REF: 002/ ATD PRESS: Card 2 DOVSKOYI Aleksandr Vasillyevichp doktor tekbn. nauk, prof.; LEYBIN, Yuriy VeniaminovichA inzh.; RELONE, 11 1. ed.; b~BROVSKIY, Ye.V., red,; SAVCWKO, Ye.Vas tekhn, red* L-, r (High-frequency currents] Toki vysokoi chistoty. Mosk7ax Izd-vo "Znanies" 1961. 30 p. (Vsasoiuznoo obshohestTo po rasprostrane- nUu politicheakikh i nauchrqkh manii. Ser.4, Tekhnika', uo.20) (MIRA 14:12) (Electric currents, Alternating) YEMEL'YA11OVo V.S., otv.red.; BARDIN, I.P., red.; VINOGRADDY, A.P., red.; GOLIDANSKIY. V.I., red.; GULYAKIN, I.Y., red.; DOLIN. P.I., rid.; YEFREICV, D.Y., red.; KRASI.11, A.K., red.; LEBEDINSKIT, A.V., red.; MINTS, A.L., red.; KJRIN, A.N., red.; NIZE. V.S., red.; NOVIKOV, I.I., red.; SHIAMIOV, V.F., red.; SOBOLEV, I.N.. red.: BAKH&ROVSKIY. G.Ya.': nauchnyy red.; BEMVICH. D.M., nauchzwy red.; DANOVSKIY. H.F.. nauchnyy red.; a K J,, nauchnyy red.; EON, M.A.. KopyjnV~"60.# nauchrqy red.; nauchnyy red.. MANDBLITSVAYG. Tu.B.; MILOVIDOV, B.M., nauchnyy i. -ad.; 1,DSTOVENKO, N.P., nauchnyy red.; MURINOV, P.A., nw',,ehnyy red.-. POLYAKOV, I.A., nauchnyy red.; PBO~WHENSKAYA, Z.P., nauchMj red.; RkBINOVICH, A.M., nauchw red.; S114KIN, S.M., nauchr4fy red.; SKYORTSOV, I.M., nauchM7 red.; SYSOYL7. P.V., nauchnyy red.; SHORIN, N.A., nauchn" red.; SHRffBERG, G.L.. nauchW rod.; SHTMU1, R.Ta., nauchnyy red.; KOSTI, S.D., tekhn.red. [Concise atomic energy encyclopedial Kratkaia antaiklopedita "Atomnaia energiia.11 [ Tables of.1sotopes (according to published data available at the beginning of 1958)] _,_.Tablitea izotopo:v.(po Aani7m, opublikovannym k nachalu 1958. 12 p. Goo. nauch. izd-vo "Bollshaia aovetskaia entsiklopedila," 1958. 610 p. (HIM 12:1) 1. SotrudnI14Boll6hoy Sovotakoy 3intsiklopedii (for Bakharovskiy, Berkovich, Danovskiy, Ldione. Kon, Kopylov, Kandelltsvayg, Milo- vidov, Mostovanko, Marinov, Polyakov. Proobrazhenskaya, Rabinovich, Sinkin, Skvortnov, Syioyev, Shorin, Sbreyberg, Shteynman). (Atomic onergy) /v- /V, BERGp A.L. glav. rod.; TRAPEnilEOV, V.A... glav. red.; URYRIC11) D.111.y zaml glav. red.; LER11.191t, A.Ya., doktor toldin. nau':. pl-of., zam. glav. red.; A11211, 0.1., red.; AGMKIN, D.I., rod.; kand. Uklm.maukp. dots.. red.; AYZEW-Wi, M.A.p red.; VEIJIKOVS V.A.) doktor tekhn. nauk,, prof., red.; VOR011OV, A.A., (!oktor teklin. nauk, prof., red.; GAVRIMV, M.A., doktor telchn. naulc, prof., red.; ZEFllOV, D.V., red.; WIll, V.A., doktor teklin. nauk, prof., red.; KITOV, A.I., kand. tokhn. nauk, red.; KOGA171, B.YA.,, doktor telchn. nauk, red.; KOSTOUSOV, A.I., red, ; FdUUlTSKlY. N.A., kand. fiz.-=t. nauk red.; LEVIN G.A. prof. red ,;. LOZINSKIYp M.G., doktor tekhn. nauk, red.: j.0SSIYEVSfJY V.I,, red.; 1.1,AKSARLV, Yu.Ye.j red.; MASLOVA.A. dots., red. ;POk6V,A.P,. red.; RA.KOVSKIY, N.Ye.., red.j iOZENBERG, L.D., dolctor tekhn.nauk, prof., red.; SOTSKOV, B.S.pred.; TIMODEYEV, P.V., red.; USHAKOV) V.B., doktor tekhn. rauk, red.; FEILIDBAUH, A.A., doktor tek~m. nauk, prof.., red.; FROLOV, V.S., red.; KHARKEVICH, A.A., red.; KIUU%MOY, A.V.p kand. takhn. nzuk, red.; TSYPKIN, Ya.Z... doktor tekhn. nauk, prof., red.; CHELYU51'KIN, A.B., kand. tekhn. nauk, red,; SHREYDER, Yu.A.,. kand. fiz.- nat. nauk, dots.p red.; BOCHAROVA, M.D., kand. tekhn.nauk, starshiy nauchrWy red.;.DELONE,_N.N., inzh., nauchnyy red.; BARAIIGV, V.I., nauchnyy red.; PAVLOVA, T.I., teklm. red. (Continued on next card) BERG, &.I.-- (continued). Card 2. (Industrial electronics and automation of production proce&-- ses]Avtomatizateiia proizvodstva i pron7shlennaia elektronika. Glav. red. A.I.Berg i V.A.Trapeznikov. Moskva, Gos.nauchn. izd-vo "SovetskalR &-itsiklopediia." Vol.l. A - 1. 1962. 524 p. (MIRA 15:10) 1 Chlen-korrespondent Akademii nauk SSSR (for Sotskov, &;~evich, Zernov, Timofeyev, -Popkov). . (Automatic control) (Electronic control) MG, A.I.,, glav. red.; TRAPE211KOV, V.A.,, glav. red.; DOCEAROVA, M.D., kand. tekhr,. nauk, st. nauchn. red.; _P~~E, 11.118, inzh., st. naucbn. red.; BAMOV, V.I., nauchn. red.; ZABELINA, Ye.P., mlad. red.; PAVLOVA, T.I., tekhn.red. [Automation of production processes and industrial electronics; encyclopedia of modern tchnologyj Avtozati- zatsiia proizvodstva i promyshlennaia elektronika; entsi- klopediia sovremennoi tekhniki. Glav. red. A.I.Berg i V.A.Trapeznikov. Moskva, Sovetskaia entsikl.opediia. Vol.2. K - Pogreshnost' izmereniia. 1963. 528 p. WIRA 16:12) (Automation-Dictionaries) (Electric engineering-Dictionaries) AIIl-'K3A-fT1)lMV, Yu.A., MWIME, rl.V., SLOVOMOTMV, L.l., .,OKGL, G.A. SIITARKOV, L.H. "Photodisintegration of Deuteron at 50-150 Mev-" Lebedev Physics Inst. Acad. Sci. USSR. paper submitted at the A-U Conf. on Nuclear Reactions in W!dium and Low Energy Physics, Moscow, 19-27 Nov 57. DEME-7, P. Fl. STVION. Nikolay (Steno, Nicolnual-, STRATAUOVSKIY, G.A. [translator): ' "or; BROUSOV, V.V.. rodaktor: SWRANOVSXIY, I.I., professor, red& PETROVSKIY. I.G., akAdemik. rodaktor-, ANDREM. U.N...,4kedeal redaktor; BYKOV, X.M., akademi1r, rodaktor; JrAZAVSKIY,' B.A., skadoulk. redaktor: SHCHKRBAKOV, D.I.. akademik, reWitor: y1m IN, P.F., skade- mik, redaktor: DJI/JM "&Am- rednktor; KOSHT.OYANTS. MS.. rodaktor: SAKARIN. A.M..'IWor, LIBIDEV, D.M., professor, rodaktor;.%YIGUROV- SKIY, II.A., professor, rodaktor; KUZINTSOV, I.Y., kandidat filooof- skikh nauk, redmktor; ZAYCHLK, N.K., redaktor izdatelletva. SMIRBOYA. A.V., tekhaicheskiy redektor [A solid body enclosed by nature within a solid. Traft4lated from the lotin) 0 tvordom, esta3tvenno sodarzhashchemais v tverdom. Perevod G.A.Stratanovskogo. Redaktaiia, stat'l t primachaniis- V.Y.Bolousova, i I.I.Shafronovskogo. [Ianingradl Izd-vo Akad.nauk SSSR. 1957. 150 P- (MLIU 10: 13) 1. Chlon-korrespondent Akedemii nruk SSSR (for Bel-ousov, Delano, Koahtoyants, Sa3arin) (Geology) ?020L-66 ~~JD mwa ~d) /Z IP (n). 60103 4 SOURCE CODE CZ/0037/63/oo*06/0461/0465 I Arm --- QfArPA '-AUTH(R't:,- OR Ostrava G Meta11ur&ica1_Resqarqh (Vyzk-txnW iistav mitalurgic4. VZKG) TITIZ Me.asurement. of i;he amplitude anrl relative deformation of longitudinally oscillating rods ~SOURCE: Coskoslovonsky Odsopis, pro ~fyalku, no. 6, 1965, 461-J45 :TOPIC TAGS: ferromagnetic matarialf*mAterial deformation, wire product ABSTRACT: The.oxticle describes an indirect method of measuring thn relative deformation~of longitudinally oscillating test rods made of ferromaSnotic materiall !The relation between the waplitude of the oscillations and -the relative deformation is founde The amplitude of the oscillations is measured with an induction recorder. calibrated statioall:y* Orige artehas: 1; figures and 6 formulas. ffPR-S7 SUB CODE: 20 SUBM DATEz' 17Aug64 ORIG REF: 002 OVI REF.- 008 SOV REF: 001 -Z Cad CZECHOSLOVAKIA/Eloctronies - Eloctron Microscopy H-4 Abs Jour : Rof Zhur - Fizika, Ito 10, 1958, No 23314 Author :_*Dolonjr Arminj__jDrsKoa Vladimir, **Bozdok Ladislavp **Ruzickn Dalibor __ Inst :*Lnboretory for glactron Optics, CSABj Brno; **VTAAZ Lab- oratory on the Study of Froportios of 'rl'utals CSAB, Brno, Czech- oslovakia Title :Poonibility of Application of Electron Emission Microscopy for the Study of the Structure of Metals. Orig Fub :Hutnicke listy, 1957, 12, No 3, 206-215 Abstract :Description of on attachment to the Czechoslovak electron microscope, which makes it possible to use the latter as an emission microscope. With the aid of this attachment the authors, using the thormoolectronic emission of matollo- graphic specimens activated with borium (by depositing this metal in vacum by eveporeticn), have invastigated the struc- ture of carbon steels and else certain processes connected with the changes in the structure. Card 1/1 PELOTIG, AININ "Prakticka elektronova mikroskoDic. /T. wjd-7Praba, 71k1. Ceskoslovenske akademie veil, 1958. /Fractical electron' microscopy. -1st cd. illus., bibl., diavrs., graphs, 9 it indexes, tabl7el. p.370 (Praha, Czechoslavakin) MontUy Index of East European Accession (FEAI) LC, Vol. 7, No. 6, August 1958 DELONG, Arminp inz.; DRAHOS, Vladimir, inz.; SPECIAMY, Jan; ZOBAC, Ladislav, inz. An experimental high-resolving-power electron microscope. Slaboproudy obzor 21 no.4:195-206 Ap 160. (EEAI 9:8) (Electron microscope) DELONG Armin, inzh. (Chakhoolovakiva); MAGOSH, VlAdimir [Drahos. V.], (Chakhomlovakiva) Instrument of extraordinary possibilities,, no-5:26-27 My l6o. microscope) Rauka i zhin' 27 (MIRA 13:6) (Czechoslovakia--Xeotron DRAHOS, Vladiml (Brno)- DELONGj, Armin (Brno) Electron interferometry and the phase contrast. Pokroky mat f~m astr 7 no.2:80-90 16-7. 71 ~ ~- " ~11 -1v PA-L-ONql,--Armin, iinop C.Sc.; DRAHOS, Vladimir, inz., C.Sc.; KROUPA, Jiri, Tnz. Velocity analyser for measuring stability of the accelerating voltage in an electron microscope. Slaboproudy obzor 23 no.6:311-316 Je 162. 1. Ustav pristrojove techniky, Ceskoslovenska akademie ved, Brno. 4, 4520-3. Z/037/62/000/005-6/007/049 E140/E5.62 AUTHORS: Delong, A. Drahog, V. and Zobac'. L. TITLE: A high resolution electron microscope PERIODICAL: Cestcoslovensky' casopis pro fysilcu, no.5-6, 1962, 1171-478 TEIXT: Some significant 'features of a recently constructed high-performance magneLic-typo electron microscope are described in detail. A double condenser leris and a three-stage imaging systern are used, the cldct*ron-optical magnification beitig variable fro", 5000 to 18oooo. The resolving power of the instrument is better than 10 ft. The valves of the vacuum system are electromagne tic - atid the control of;.-its working positions~ I'S automatized. Electroitic.stabilizeri* for feeding the coils of the lenses are placed separately from the optical system.. A high long-term stibility was obtained by improved design of the high voltage multiplier. There are 4 figures. ASSOCIATION: 6stav p'r'lstrojov6 techniky'CSAV, Laboratori/ elektr-onov4 opt:Lky, i3rrio (Institute of Instrumen- tation of.the ~SAV, Laboratory of Electron Optics,Brno) Card 1/1 DELONG, A.; DRAHOS, V.; ZOBAC, L. Electron microscope with high resolving power. Ca cas fys 12 no.5/6s471-478 162. 1. Ustav pristrojove techniky, Ceskoslovenska skadazie ved, Laborator elaktronove optiky, Brno. DRAHOB,V., inz.j We; DEWN6,A*,.1nz., Mo.; KOMRSKA,J.,promovany fyzik. Interference electron wictoectqWe $am& Mach' opt 8 no.8: 242-24~ AgV63 I* -ustav pristrojdr4f-t4dM'U7,,Goskoslovenska akademie ved,, Brno (for Drahos and Delong).,-2. Ustav vlastnosti kovup-,C4~kvm slovenska akademie ved, Rr-~6J(for Kcmrska). - DRAHOS, Vladimirj DELONG, Amin "', w "' -1 Adaptation of a tran'kbsionelectron microscope for interference electron microscopy. Cs cas fys 13 no. 4: 278-286 163. 1. Ustav pristrojove techniky, Geskoslovenska akwlenie ved., Laborator elektronove optiky, Brno. DRAHOS, Vladimir, inz. CSc.; DFLONG, Armin, inz. C3c. Optical system of an interference electron microscope. Slaboproady obzor 25 no.9:523-527 S 164. 1. Institute of Instrument Technology, Czechoslovak Academy of Sciences, Laboratory of Electronic Optics, Brno. "A W!t,rc,~i b! nt' SA(,n,L'-S, ~SOURCE ACC MR 6oO366o CODE: CZ/0055/65/015/010/OT6o/oT65 Delon A., AUTHOR ORG: 3'nstit.ute.of Instrumental Technology, Czechoslov.ak Academy of Sciences, BrnoA q'TTTE: Observation of ch ar ges on specimens in a transmission electron microscope SOURCE: Cbekhoslovatkoiy fizicheskiy zhurnal, V. 15, no. 10, 1965, 76o-.765 anal inserli. Pages 770a and 770b TOPIC TAGS: electron optics,-electron* microscopy, chromatic aberration, magnetic domain,,- polystyrene ABSTRACT: Xn.tranumiscion electron microscopy-the electric charges caused by, ce the elect specime a d o jectu of =ennfluen ron bombardment on nonconducting n an image-forming . process. This phenomenon is especially disturbing in low-angle electr diffraction and-interference electron m Iicroscopy. Also,.when perforated collodion or. e o al formvar membranes are used as test objects in,the process of centering th ptic system,, the alignment can be influenced by charges on the specimen, especially.if- Q the "voltage center" (i.e., the center of chroi~atic aberration) is sought by changing the accelerating voltage. H. Mahl and W. Weitsch previously described iL method of checking the fluctuating charges by means of shadow projection in a modified AEG-Zeiss EM8 electron microscope Maturwiss. 46, 1959, 487; Optik 171 196o, 3-07). The present paper describes the, testing in which the dzechoslovidtian Z~ Card J"(2 L 1810-66 ACC NRt AP6003660 Tesla model BS* 413 experimental shadow-projectiorr high-resolving power electron microscope was employed. In-this instrument the charges on the specimen can be observed without.any alterat ion of.the optical system.. To prevent the, inception of the Icharges and achieve'their-annihilation at least partially, the specimens are covered'vith &:thin layer~of ca%lb=which also improves their ther=3.1 stability. This shadov-projection arrangement 6f the optical system can also be used for the observation of magnetic domains and low-angle electron diffraction. An the experi- .ment, the collodion foil specimeni.and homogenized Dolvatyrene latex were used as test ob,5ects.- The author thanks'Mr.-E. Komrs~a for his comments. Orig. art. has: 4 figures*.and 8 formulas. SUB CODE: - 20/ SUBM DATE.t.12Mar651. ORIG RFYI 003/ OTH RF 003 L 26241-6-6 E14T (1) -9", V --AP6010316 SOURCO'COM: C7,/0037/65/OOO/Oo6/(V","(,/0103 AUTIMi. Driahos,' Vladivdr; Dolon Ar 9 01,Mt Electronic optics Laboratory, Institute of Instrumntation. r-3AV. (Ustav pristrojove tachniky CSAV, L65crator~e ektronove optiW)____ MtM: Complex rethod of measwring tlilckn,)ss and internal potnntisil with an electron mic SOUPC&I CeskorlovenslW casopis 'pro fysihu, no, 6. 1965, 476-463 TOPIC TAGS: electron microscope, phase shift, electromagnetic wave interference, irage contrast, plectron flow ABSTRAcr: The article describes a vmthodonabling dotormination of the intornal potential of amorphous and polycryst4llino objects * The - phaso shif t of 'olectro, waves is evaluated by tho,displacemont of the intorforonce fringes and the thick- noss of tlis object I~Dr. mans of the imap;e contrast. Orig. irt. har, t 4 figures and 15 formulas. _[j P ws 7 SUB CODE": 20, 09 SUBM DATO lNovUP ORIG REF: 004 OTH REF s 00J Z_ C.,u-d 1/1 T'I1,3,-,r7 o~' -!,he Of a ".YLNarrrIIc silrva-r. (Zemetmerietvi. Fraba. Vol. 4, 4, 1-9,50_,f/East A'ImiLL'y L'st -:n', n 1!A1,) 1~k; "1r-, j"ni" . ) U-100. DEMONG, B. Adjustmant of trilateration. p. 16 (Gevdeticky a Kartograficky Sbornik) 1957. Draha, Czechoslovakia. SO: Monthly Index of East European Accessions (EFAI) LC, Vol. 7, no. 1, Jan. 1958 DELONG., B. Calculation of altitudes in high mountains by trigonometric means. p. 208 (GEODETICKY A KARTOGRAFICKY OBZOR) Vol. 2, no. 6, June 1956, Praha, Czechoslovakia SO: Monthly Index of East European Accessions (EKAI) LC, VOL. 7, No. 3, March 1958 MDWO B. Czechoslovakia Die geomweten Radarinstrumente In Reenden der Vezwsounpingenieure (tachech.) 5- 54 bis. 58 SO: Veimessungs TecbnJLkp Nov 19550 Unclassified. Aw- - -- DEWNG, B. CombInation of triangu2ation with trilaterality from the point of view of accuracyo pe 23 GEDDETICKY A KARTOGRAFICKY SBORNIK. (Ustrefti aprava geodesie a kartografie) Praha, Czechoslovakiaj 1958 (published 1959) Monftay List of East Suripean Accessions (EEAI)jp LCq Vol* 89 No, 109 Oct- 1959 Uncl, =CHOSLOVAKIA/Cptics - Optical Technology - K AbsI Jour : Ref Zhur Fizika, No 12, 1959, 28391 Aut1ior : Delong, Borivoj Title Use of Polaraid FiL-.ts in Electron Opti6al Li0it Modullato_-s Orig Pub JOE= nech. a Opt., 1958, 3, No 12, 403-4o6, 43o Abstract The author considers theoretically the properties that polaroid films must satisfy in order to be used in electron optical light i;iodulators, used in geodetic range finaers. Expressions are obtained for the trans- mission coefficients of two polaroids, rotating relat- ive to each other, as a --''unction of the coefficient of tralisrAssion of all individual polaroid. The spec- tral coefficients of transmisdion of tile Dolar3ids produced by the firm "Meopta, Bratislava" are given. It is shown that these films can be used in clectroiz Card 1/2 DELONG, B. Accuracy of electrooptical rangefinder with a vistial-phase comparison. In Russian, p# 2139 STUDIA GWPHYSICA ET GEUDA:),'rICA. (Ceskosloveriska akademie ved. Georysikalni ustav) Praha, Czechoslovakia, Vol. 3, no. 3, 1959. Monthly List of East European Accessions (EEAI), LC, Vol. 8, no. 11, Nov. 1959 Uncl. 11400-0 9(6) 6858o CZ130-59-9-900 AUTHOR: Delonx, Bofivoj, ftineer, Candidate of Technical Sciences TMZ: Sources o of E100trOoPtical Telemeters With Visual phase Comparison PERIODICAL: Jemnk Nechani a a Optika, 1959, Nr 9, PP 314 - -10 (88R) ABSTRACT: The author describes two Principles of sloctrooptleal telemeters with visual phase comparison and their light-source efficiency. In the first Principle the "KerrIs modulator" is used, by which basically the Be= conditions are created &8 discovered 30 years ago by A. Karclus and 0. Nittelstidt, shown, in Figure 1. The Soviet "SW-IN and "TSID-IN optical telemeters are based on this principle. Xn the second P*ftolplt,, Instead of the "Kerr's modulator" a crystal modulILtor, preferably.of quartz, In usod-aa shown in Figure 2, by which elpilar conditions m% created. A detailed survey of this principle -is performed by the Geodetlao, ToMraflo4 a Kartograflok* Vtzkumf Ostav (Geodetical, Topmrs0loal and cartograWoal Research institute) In Prague. In a separate paragralft, the author discusses U7e7proLb*_16 of calculating the liaht-souroe efficiency of the necessary minim, light intensity at ob- Card 1/2 serrations during daytime as well as during the night. His remults wers AUTHOR: Delong, Bokvoj TITLE: Geodetical Tests of the NASM-2A Geodimeter 89266 Z/023/60/000/004/001/004 A224/Ao26 PERIODICAL: Studia Geophysica et Geodaetica, 1960, No. 4, pp. 325 - 337 TEXT- The paper describes the technique and the results of geodetical field tests conducted with the eloctro-optical range finder, Trade Mark Geodimeter, System Bergstrand, Type NASM-2Aj Serial No. 136. The NASM-2A geodimeter serves for the precision meaiurement of short, medium, and long geodetic ranges from 20 m to oVer 30 km under very favorable observation conditions. The usual measuring range is about 15 - 20 km. The principle of this geodimeter is based on light waves ampli- tude-modulated by a Kerr cell. The field tests were conducted jointly in the 2nd and 3rd quarter of 1959 by the Research Institute of'Geodesy, Topography, and Car- tography, abbreviated (Czech expansion unknown) VUGTK, in Praha, the Geodetical and Topographical Establishment in Praha, and the Geodetical Establishment in Bratislava. the test program comprised five stages: 1) Measurement of the geodetic control base at Hv;zda, 2) length measurements of the bridge axis at Orlik, 3) field tests at the Peenk Geodetical Observatory, 4) main field tests in the b"e network at Jesensk6, Card 1/2 89266 Z/023/60/000/004/001/004 Geodetical Tests of the NASM-2A Geodimeter A224YAo26 5) me6surements of the control base at the Geodetical Establishment in Bratislava. Results of field tests are compiled in 3 tables. They indicate that the accuracy of measurements lies within a few millimeters for 20 m to 20km ranges. The root mean square error of the arithmetic means calculated from 11 to 50 range measure- ments was in all cases less than 13 mm. The Geodimeter can successfully replace the geodetical measurements with invar tapes, thus saving much time. Based on data compiled the speed of light in vacuum has been determined to be co ~ (299,792.5 t 0.04) km/sec The paper was reviewed by F. Fiala. There are 3 tables, 1 figure and 2 references: I English and 1 Czech. ASSOCIATION: Research Institute of Geodesy, Praha 7-Letnh, Kostelni 42 SUBMITTED: February 4, 1960 Card 2/2 10 0 2,4000 96120 Z/024/60/006/005/001/001 A201/A126 AUTHORS: Delong, Bo~ivoj, Candidate of Techical Sciences, Engineer; Sokollk, -B5ffu_sTa_v, -Engineerl Neuman, 6emek, Engineer. TITLE- Electro-optical geodimeter of the VUGTK PERIODICAL: Geodetick~ a kartografick~ obzor, no. 5, 1960, 83 - 86 TEXT: The article describes the principle, design and performance of a new Czechoslovak geodimeter developed and built in 1959 jointly by the Vkzkumo 6stav geodetickj(, topografic* a kartografic* (Geodetic, Topographic and Cartographle Research.Institute) in Prague, and the 0stav radiotechniky elektrotechnick6 fakulty CVUT (Institute for Radio Engineering, Department for Electrical Engineer ing, 6VUT) in Prague. The theoretical basis of the instrument has been described in the 2nd collective volume of the Edice V1DGTK under the title "Research on the electro-optical geodimeter of the V6GTK". the operating principle of the instru- ment is shown in Figure 1. The light source L emits isotropic light waves which are focused by the condenser K into the center of the annulus formed by the elec- trodes of the quartz crystal Kr, which acts as a light modulator in addition to its stabilization function. As a result, the quartz modulator Kr, together with two polarization foils P and A, of which the former acts as the polarizer apd Card l/ 9 96120 Z/024/60/006/005/001/001 Electro-optical geodimeter of the VUGTK A201/A126 the latter as the analyzer, produce the amplitude modulation of the light waves. The modulated light is sent to the terminal point of the measured distance by the transmitting lens 0 1. At the terminal point, the light is reflected by the mirror R and returns to the initial point of the measured distance. The reflected light strikes the receiving lens 02 which focuses it onto the cathode of the photomulti- plier F. The receiving system photoelectrically determines the phase difference between the transmitted and the reflected modulated light-waves on a low frequen- cy. Therefore, the instrument is equipped with two oscillators; The main oscil- lator 0 operating on the 5 Mo frequency, and the auxilia.,,y oscillator Po operating on a frequ~nncy differing from that of the main oscillator by 10 kc. The signal from the auxiliary oscillator is mixed in the mixer Sm with the signal from the main oscillator and with the signal from the last dynode of the photomultiplier. In this manner two low-frequency signals of the same frequency and of an unchanged phase relation are obtained which are fed to the synchronous detector Sd. Connect- ed to the detector is the galvanometer G whose hand indicates the magnitude of the phase difference. When the galvanometer hand is set to zero, the measured distance D Is given by the rela:tion 2D = N - L + 1 (1) where N is the integral amount of modulated light-wave lengths, L is the modulation Card 2/9 Electro-optical geodimeter of the V&TK 96120 Z/024/60/006/005/001/001 A201/A126 wave length, and 1 is the increment which is a function of the phase difference ? . L. (2) 2 Tr The zeroing of the galvanometer hand is done by the phase shift of the signals from the main oscillator and from the mixer in relation to the signal from the photomultiplier. This phase shift is made possible by the phasing element which in turn has two elements: The rough-phasing element, Fh, by which the phase is shifted over the range of 6-1800 in ten steps of 180, each step representing a change in distance of 1.5 m; and the fine-phasing element Fj,-by which the phase is shifted continuously over 200 providing for sufficient overlapping of the adjacent steps. At zero position of the galvanometer hand, the value can be determined from the readings of the rough and the fine-phsing element scales using equation (2). The value N in equation (1) can be determined from the re- sults of the distance measurements with two different modulation frequencies according to the relation 1 1 1 2 Card 3/ 9 96140 2 ZY02 /60/006/005/001/001 Electro-optical geodimeter of the VdGTK A201/A126 where L1, L are the respective modulation wavelengths pertaining to i~-.* modula- tion frequeRcies F1 and F2 respee'tively, and 1 12 are the respective increments. The modulation wavelength L is calculated from'~he modulatibn frequency of the oscillator F using the relation v F where v is the light velocity in the atmosphere. The polarization foils are the only foreign components used in the instrument. The metaorylate-base foils, de- veloped by the Meopta Bratislava n. p. (Meopta Bratislava, National Enterprise) in cooperation with the n6Lrodnf podnik Meopta Praha.(Meopta Prahx, National En- terprise) have proved to be unsatisfactory since they were ineffective for the marginal values of the spectrum and, consequently, could not be employed with the high-performance photomultiplier, developed by the Vkzkumn~ fistav vakuovb techniky (Research Institute of Vacuum Engineering), which is u'sed in the.receiv- ing part of the instrument and which has its best spectral sensitivity in the region of the lower boundary of the visible spectrum. The quartz modulator of the instrument consists of a polished quartz plate of the BT crystal section and of annular contact electrodes which are pressed against the crystal by two steel springs. The entire assembly In mounted in a modified "Telefunken" crystal holder. (Previous models prepared by .. -e V~zk=4 6stav elektrotecIrAcR6 keramiky (Research Card 4/ 9 96120 Z/024/60/006/005/001/001 Bleotro-optical geodimater of the VUGTK A2ol/Ai26 - Institute of Electrotechnical Ceramics) in Hradec KrAlovili, and subsequently by the Vkzkwmik 6stav pro elektroteelinickou fysiku (Researcli Institute of Electro- technical Physics) in Prague, using vapor-debosited electrodes (silver, gold, aluminum, and silver-aluminum) were found inadequate due to their instability). The optimum modulation effect of the modulator is in the vicinity of the parallel resonance of the crystal. A modulation depth of about 0.4 was obtained at about 70 v. This depth is sufficient for the measurement of short distances. For the main oscillator a connection was chosen in which the modulating crystal is the element which determines the oscillator fre uency. This arrangement secures a frequency stability in the order of 5 x 10-9 which is adequate for the testing stage of the instrument and for measurements of short distances. For the auxili- ary oscillator a connection with crystal control was used since the stability of this oscillator determines the stabilitY of the differential frequency. For t#e rough phastng element a delay chain, shown in Figure 2, was used. Fine phas- ing is done by the element the wiring diagram of which is shown in Figure 3. By a simultaneous, continuous vaftation of the resistors Rl and R2, the phase differ- ence between the voltages E I and E2 can continuously be varied. The scale of the element is graduated in 100 parts permitting a reading of the measured distance with an accuracy within 1.5 cm. The synchronous detector is formed by two 6H31 Card 5/ 9 9612o Z/024/60/006/005/001/001 Electro-optical geodimeter of the VUGTK A2014;126 va,=m tubes in bridge connection, with the galvanometer connected between their anodes. The signal from the photomultiplier is fed to the first two grids in phase, the signal from the main oscillator is fed, after mixing, tothe third grids in the opposite phase. The optical system is of temporary nature, as readi- ly available components bad to be used in its construction. Normal camera lenses, with a focus distance of 100 mm and an F-number of 1:2.8 were used for the trans- mitting and the receiving lenses. A point tungsten bulb of 30 watt (6v, 5a) serves as the light source. Tests with this instrument showed that this optical system has a range of about 250 m which is rather little. For geodimeters with longer ranges optical systems consisting of lenses and mirrors, such as one used in the NASM-2A geodimeter, will have to be used. It is planned to replace the temporary optical system with a new one, specially designed for the specific uses of this geodimeter. The new optical system will extend the range of the instrument to 2-3 km. The geodimeter has been tested under laboratory conditions only. It was found that the instrument was capable of indicating distance changbs above 5 cm. This value represents the inherent error of the phasing element which is independent of the distance measured. Also there is the error.due to thi instability of the frequenc,j. Consequently, the mean error in each measurement can be determined from the rela ion m = + (5 - 10-5 . D + 5 9m) Card 6/9 .96120 Z/024/60/006/005/001/001 Electro-optical g'eodimeter of the VUGTK A201/A126--, where D isithe distance measured. The accuracy of the instrument can be improved by improving the frequency stability of both oscillators and by & more precise execution of some of the electronic components. The ge'odimeter weighs little over 5 kg and is mounted on a tripod. The power supply has about the same weight. Laboratory tests have confirmed the soundness of the original design conception and the capability of the instrument of measuring geodetic distances- Fukher development will be aimed at the improvement )f the optical system and of the stability of the crystal frequency. There are 5 figures and 3 Soviet-bloc.refer- ences. ASSOCIATION: V6GTK, PraA (VDGTK, Prague) (B. 6elong); Ostav radlotechniky, Praha U (Institute of Radio Engineering, Prague) (B. Sokollk.and'P.-Ne~man). Cai-d'.7/9 6/035/6 21000100 2/rj52/G5'e_ A001/A101 AWHOR: Delong, B. TITLE-: An investigation of the electric optical range finder of V~GTK (Research Institute for Geodesy, Topography anC, Cartography) PERIODICA: Refcrativnyy zhurnal, Astronomiya I Geodeziya, no. 2, 1962, _-35 - 36, abstract 2G241 ("Sb. v~zkumn. praci. V~zlkumn. tstav geodet. topograf. a kartograf.", 1960, v. 5, no. 2, 7 - 65, Czech, Russian and German summaries) TZXT: The results of theoretical investigations are presented on the de- sign of the electric optical range finder devised by the Research Institute for Geodesy, Topography and Cartography in Prague. The article consists of' 8 Zee- tions. The first section is introductory. The second section considers the operational principle of the electric optical range finder with visual phase fixa- tion; a Kerr cell or a quartz crystal is used as a modulator and demodulator. The third section sets forth the theory of both modulators and formulates condi- tions for attaining the maximum modulation effect. The fourth section investi- gates the dependence of exposure to light of an observer's eye on the mcdulation Card 1/2 S/035/6 210 00/0 0 P_/05 Z/05 2 AC01 An investigation of the electric ... A /A101 phase difference between the emitted and received liGhtt fluxes,(see Rzhilstr, 19050, no. 7, 7071). The fifth section analyzes the question on selection of a light source for day and night measurements from the viewpoint of necessary illumination and the optimum spectral composition of light. The sixth section compares two measurement methods: with gradual frequency variation and with a change in the phase of standard voltage. From the point of design and processing of results, the first method is considered to be more advantageous, but it is not applicable in combination with the quartz modulator. The seventh section studies the Dre- V cision of electric optical range finders with visual pi",se fixation. The conclu- sion has been drawn that the precision does not practically depend on the line length for short distances; the error of one measurement amounts to a few deci- meters. An increase in the number of measurements improves the precision. In order to improve precision considerably, one has to ohange over to photoelectric phase fixation. The eighth section describes the design of a device developed in the Institute (see RZhAstr, !go'!, IOG220). There are 33 references. V1. Ratynskiy [Abstracter's note; Complete translation] Card 2,/2 VEW-W, P., inz.; SOKOLIK, B., inz.; DELONG, B., inz. -c~ An electrooptical range finder with a quartz modulator. Jemna mech opt 5 no.11:336-342 V 160. 1. Ustav radiotechniky, Ceske vysole uceni technicko-, Praha (for Peuman and Sokolik). 2. Vyzkumny ustav geodeticky, Praha (for Delong). Z/024/60/006/008/001/001 D252/D304 AUTHOR: Delong Bofivoj Candidate of Technical Sciences,-Engineer TITLE; Results of verification tests performed with the NASM-2A geodimeter PERIODICAL: Geodetick~ a kartografick~obzorj vo 6, no* 8, 1960, 141-145 i TEXT: The Vfzkuznk-dstav geodetickk, topografick~ a kartograflck~ v Praze (Research Institute for Geodesy, Topography and Cartography in Prague), the Geodetic* a topografickf dstav v Praze (Institute for Geodesy and Topography in Prag~xe) and the Geodetick~ fistav v Bratis- lave (Geodetic Institute in Bratislava) performed surveying tests to verify the accuracy and application range of a Goodimeter system Berg- strand, type NASM-2A (serial no. 136) produced by the Swedish firm AGA. The tests were dividbd as follows: (1) Measurement of the geodetic reference base in Hv4zda; (2) Measurement of the axial length of the bridge under construction in Id-1kov; (3) Verification measurements at Card 1/2 Z/024/60/006/008/001/001 Results of verification.* Lia52/0304 the Pecnk Geodetic Observatory; (4) Main verification measurements in one development networki and (5) Measurement of the'new reference base at the Geodetic Institute in Bratislava. The tests produced the follow- ing results: The instrument operate's with an accuracy of some milli- meters in the 20 m - 20 km rangel-under favorable conditions even in larger rangeal and is, therefore, suitable for rellacing distance measurements with invar wire. The length of the dl&kov bridge axis was measured with an accuracy of + t.0 mm, and differed only 3.0 mm from the length measured with invar wire. The geodimeter is, therefore, also suitable for special measurements of short distances. The newgeo- detic reference base at the Geodetic Institute in Bratislava is destined for precise comparison of optical distance-meters and consists of two sections which were measured with an accuracy of + 1.9 and + 1.7 mm re- spectively. The fact that the described measureZ_nts were Tompleted within 22 night hours indicates the suitability of the tested geodimeter for lar e-scale mapping. (Technical Editor: Engineer, Doctor Franti- Xek Broil Director of the WGTK, Prague). There are 4 figures and 3 tables. J. ASSOCIATION: VUGTK, Praha (Prague). Card 2/2 Z/030/60/OW/011/001/002 34ooo A121/A026 AUTHORSi Neuman, P.; Sokolik, B.; Delong, B.; - Engineers TITLEt Electro-Optical Range Finder With Quartz Modulator PMUODICALt Jemnh Meohanika a Optika, 1960, No. 11, PP. 336 - 3112 TEXT: The prototype of an electro-optical range finder with quartz modu- lator, range up to 3 km, mounted on a tripod (Fig. 8), har been developed in co- operation of the Vkzkumnk Ostav geodeticki, topograficki a kartografleki (Geodet- ic, TDpographic and Cartographic Research Institute) in Prague and the Ostav ra- diotechniky elecktrotechnickb fakulty tTUT (Radiotechnical Institute at the ELec- trotechnical Faculty of NUT) in Prague, and was constructed by the V~zkumnk Gs- tav elektrotechnick& keramiky (Electrotechnical Ceramics Research Institute) in Hradec KrAlov6. Figure 1 shows its block-diagram; the upper part is the trans- mitting system, the lower part the receiving system. A description of the main component parts is given. Equation (1) is the basic equation of the measured distance D at the initial galvanometer adjustment; Equation (2) serves for the precise computation. The author develop the quartz modulator theory, disausstIr maximum modulation effect arising in case of rectangular angle adjustment of the Card 1/4 z/o3o/Wooo/on/m/W2 Electro-Optical Range Finder With Quartz Modulator A121/AO26 polarizer and analyzer oscillation direction, whereby this angle is parted bytte V- on of the trans- plane formed by the optical axis of the~crystal and the direell mitted light (Equations 3, 4; Figs. 2, 4). Equation (5) expresses the relative electro-optical transmission factor of the modulator, the graphic representation of which is called the eleatro-optical phenomenon characteristic (Equation 6 and Fig. 3). Equations (7) to (14) serve for the computation of tne quartz modulatcr characteristic. Applying Equations (13), (14) (Refs. 1, 2, 3 and 5), (15), (16) and using a 125 v biassing modulator,,the., Equations (17) and (18) are obtained, showing the effective voltage Ve and, by comparison of Equations (18) and (6), the constant k, = 6.28 - 10-3. The maximum electro-optical transmission at* a modulating voltage v = 125, achieved by double refraction of light in the quartz crystal (Vp = 125 v) is according to Figure 3 too high and will cause deforma- tions; therefore, the amplitude of up to 100 v is being chcsen ocrresponding to a modulation depth of 0.90. A comparison with the Kerr modulat,.r, a d9=.2rIptII:-n of the quartz modulator current capacity (Fig. 5) amounting to 1.8 w at 100 v modulating voltage, and a des3ription of constructional elements is given. Czechoslovak polarizing foils (Meopta Bratislava), tested at the Meopta Labora- tory in Prague, were not found suitable-,3 the maximum 2pectropnc~toele:-f_rlc sen- sitivity of the rfr,vivIng system's phct,- m", 1-1 pli,- -ijb~, -.,.upp'. 1-4 t-y ",he VVzkum- Card 2/4 z/030/60/000/011/001/002 Eleotro-Optical Range Finder With Quartz Modulator A121/A026 nk 6stav vakuov6 techniky (Vacuum Engineering Research Institute'~ is in thelow- er region of the visible spectrum (blue color); therefore, foils frcm abroad were used. A detailed description of the prototype quartz modulator follows. A modulation depth of about 0.4 has been obtained az a modulation voltage of 70 v. A phase comparison between emitted and reflected modulated 'Light waves may be photoelectrically performed at low frequency; therefore, the apparatus Is equipped with two oscillators, i.e., the main oscillator 0 and the auxiliary os- cillator.,Po (Fig. 1). The low-frequency signal of about 10 kc/sec oscillation frequency arising by transformation of modulated light in the photcmultiplier cathode, the arrangement of synchronized detectors (Sd), the phase adjustment ard phase change, whereby each phase difference of 180 is equal to a change of about 1-5 m in distance, total phase range 0 - 1800 are described. A reciprocal fun--- tional replacement of both oscillators, described in detail, is ensured. Figure 6 shows the phasing element (Fh) diagram consisting of a phase-shifting section ending with its characteristic resistance. Figure 7 shows the diagram of the fine phasing element (Fj), two 6H31 electrone tubes in bridge connection serve as synchronized detectors (Sd) nith attached galvanometer). A common 100 mm lens, 1 . 2.8p is used as condenser and triuismitting-re;2elving objective,, a 30 w, 6 V, 5 amp tungsten lamp serves as light-source. The computed range amounts Card 3/4 Z/030/60/000/OILI/001/002 Electro-Optical Range Finder With Quartz Modulator A121/Ao?6 to 250 m, the laboratory tests were performed at a distance ef 55 m. A lens-re- flector system as used at the NASM-2A type geodimeter should be applied to ob- tain a range-finder of longer measuring range. The mean error In range-finding is 4xpressed by Equation on Page 342 (D - measured dlstan,,e). The range finder and the feeding apparatus weigh 5 kg each. Figure 8 3hows 'the ccn-.rol panel, Figure 9 the inner arrangement of the emitting evstem, Fig-are 10 the quartz mod- ulator of light, and Figure 11 the coarse-phasing equipment. Purther develop- ment requires an accomplishment of the range finder's optical system and stabil- ity-increase of the crystal frequency. There are 8 references-. I Swedish, 2 English, 3 Czechoslovak amd 2 German. ASSOCIATIONS: ~stav radiotechniky *VUT (Radlotechnios Institute of CVLim.1, Prague (Neuman and Sobolik)~ Vyzkumn~ Ct~!tav geodetlck.~ (oeadetia' Re- search Institute), Prague SUBMITM: February 29, 1960 Card 4/4