SCIENTIFIC ABSTRACT ZVYAGINA, E.V. - ZYKOV, D.D.

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December 31, 1967
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SCIENTIFIC ABSTRACT
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D-ATE,~ PUBLISHED - ----- 70 S'dBJECT'-AREAS--CHEMISTRY PRO XY, REEL/FRA;4E--1987tO3l7 STEP NO--UR/0364/70/0061001/0127/0130 CIRC..ACCESSION NO--AP0103972 UN L A S S I F I E D 212 018 UNCLASSIFIED PRDCFSSlt4G DATE-- I I SEP70 -,CIRC ACCESSION NO--AP0103972 GP-0- ABSTRACT* THE IONIC MORILITYi IONIC TRANStFER AND THE KINEYIC HYDRATION NO. OF TONS WERE ST13DIED IN NH SUB4 CL SOLNS CONTG. 2-5.6 G-FOUIVI.v NM SUB4 NO SUB3.'Sr,)LNS. CONTG. 2-10 G~-EQUIVI., AND (NH SUB4) SUB2 SO SUB4 SOLNS, CONTG. 2-P G-EQUlVl. THE _~TRANSFER NO. OF NH SUB4 PLUS IN NH SU84 CL AND NH SUB4 NO SU03 CHANGED :-VERY LITTLE W-ITH CHANGES IN THE CONCN. OFTHE SOLN4t 0.47-0.485 AND -.-06507-0.513, RESP. THE TRANSFER OF SOLVENT WAS ALSO VERY SMIALLo THE ..DATA OBTAINED FOR (NH SU94) SUB2 SO SUB4 ARE MORE COMPLICATED BECAUSE OF THE AS.YMMEfRY OF T4E CH.ARGES'ON THE COMPONENTJONS.. ALTHOUGH THE- CATION THE.ANOMALOUS MOBILITY USUALLV AS`SOCD; WITH IT DID NOT ?-,.-,,-,-APPEAr', STILL THE MOBILITY OF NH SUB4 PRIME POSITIVE IS OF THE SAME ORDER OF. MAGNITUDE AS THAT OF K PRIME POSITIVE WHICH IS A FAIRLY MOBILE I A i Putrcnka. V. L. R. V, Mitin, Yu. R. Knyaztv. 'an-i A. V. Zvyagintuev. W h-rurr~nt rilaed arc in hydror,,~n at pressures -to 400 atmospheres. IN: Fizika. plasmy i problemy upraviyayemogo termoyadernogo aLnteza. Kiyev, izd-va Nauko~& -2,-rn~a, no. 1, 1971. 205-212. F-xperiments in initiating a high pressure pulsed disc:harge in hydrogen to generate and investigate properties of a dense hydrogen pla4ma are,41scusacd_ The experimental device cornprks~ pressure discharge chamber, a thermo-compro3sor and condenser lbatteries. The discharge chamber was a thick-walled cylindrical metal vesoelj designed for a maximum aperatint presourn of tocoatA. The ck~mber had three diagnostic windows for conducting optical., photo- graphic and.other observations-,. chamber gas volume was about 1, liter. The thermocompressor m.alatIalneId the required system pr*sourIe. and a liquid nitrogen coolant ensqrtd.&.ch&mb9r hydrogenprepaure of $00 atm. The pulsed discharge was initiated using a 0. 7 mm copper:Wire between electrodes fitted With tungsten terminate as shown in Fit. 1. The condsnse~ Fig. 1. Discharge -configuration I -tun nen inserts; 2 - textolito cap; 3. 5 electrodes; 4 - plasma ;SSR UDC 533-9 MUTIN, R. V., PRYADKIN, K. K. r1kov Phyaicotechnical Institute of the Academy of.sci~mces UkrSSR "On the Effect of a Magnetic Field on.an Electrodeless Discharge Plasma" Moscow, Teplofizika Vysokikh Tempera,tur, no 6, Nov/D13c 70, pp 1142-1148 Abstract: The results of an experimental study of the effect of rotation of an electrodeless high-frequency discharge plasma at.high pressure in an exter- nal constant magnetic field are presented. In previous experiments by the authors the effect of a magnetic field on a stationary electrodeless high- frequency discharge in inert gases at a pressure of 0.5-2 at was investigated; the shape of.the discharge observed at such pressures and sufficiently high levels of the high-fre-quency power under the action of the magnetic field transforms into a toroidal shape, and this toroidal plasmoid has its awn TM tic properties: it rotates in a homogeneous field and pulls in -when in a nonhomogeneous magnetic field. It was shown that rotation of the plasma is observed when the plasma is created by closed circular currents flowing, in the plane perpendicular to the magnetic field (H-dischaxires) and is not observed in H-discharges (a high-frequency discharge without closed currents). 1/2 rMU, MUTIN, R. V., et al., Teplofizika Vysokikh Temperatur,, No 6, Nov/Dec 70, pp 1142-1148 Tt is hypothesized that the effects observed are caused by partial rectifica- tion of the closed high-frequency currents, but the experLments described here show that it cannot explain all phenomena observed, although -this one cause my play a decisive role. The nature of the dependence of the frequency of rotation of the discharge on the nature of the gas~(;Re, Ar, Kr, Xe), the magnetic field strength, and the pressure (in the raawe 0-5-2 at) are des- cribed-in detail. The reason.for the rotation,is explained on the basis of the theory of electrophoreais in a'gas discharge plazma. It is shown that the application of this theory tothis phenomenon is:vulid, since it is pos- sible to explain the reason for the rise of an uncomoensated force, the 'direction of rotation of.the gas, and the nature of the dependence of the rate of-rotation on pressure, magnetic field., and type.of:gas. 2/2 USSR 1JDC 576.095.1s631.46 ZVYAGIIITSEV, D. G. Vzaimodaystviye Mikroorganitmov c Tvardymi Poverkhnostyani (Interaction of es), Moscowt Izdatel'stvo Hoskovskogo Univer- Organisms with Solid Surfac mime _ 1973, 1?6 pp Translation: TABIE OF CONITEUS Introduction 3 Regularities Associated With the Interaction of Micro-Organnisms With SoUd Surfaces 7 Critical Study of the Old Methods for:lnvestigating the Regular- .ities of the Adsorption of 'k-licro-Organisms and the Development of New 14ethodB 7 Regularities Associated With the Adsorption of Micro-Organism on Transparent Adsorbents, Agrillaceous Minerals and Soils 15 Regularities Associated With the Adsorption of Mi6ro-Organisms on Various Sorts of Glass and on Modified Glass Surfaces With CH - and NF. --Groups ' - ~ Re;dariti f th Ad ti i 15 e s o e sorp on of M cro-Organisms on Ion-Ex- change Resins 26 USSR ZVYAGINTSEV, D. G., Interaction of Micro-OrgaxLisms With Solid Surfaces, Moscow, 1973 Regularities of the Adsorption on Soils and Minerals of De- posited Micro-Organism Cells: .31 The Absorption Capacity of an Adsorbent The Possibility of Exchange Adsorption. The Value of Adhesion of the Cells of Micro-Organims to Solid Surfaces The Nature of the Forces of AdsorDtion (Adliesion) of Micro- Organisms The.Interaction of Adsorbent Particles and Bacteria at a Dis- tance Possible Cases of the Relative Positioning of Cells and Adsorbent Particles The Distribution of 14icro-Organisms in Soil and~the Particulars of Soil lficro-Organiws 'Luminescence4licroscopic Studies) Studying the Forms and Dimensions of Soil Micro~Organibms A Comparative Study of the 14icro-Flora Overgrowing Glass and the 14icro-Flora of Soil Studying the Distribution of 14icro-Organi5ms in the Pdiizosphere 2A 43 46 47 50 56 58 62 68 73 74 -N& USSR ZVYAGINTSEV, D. G., Interaction of Micro-Organims With Solid Surfaces, Moscow, 1973 Adsorption of Micro-Organisms and Methods for Their Quantitative Com- putation in.the Sol 76 Soil Preparation for the Quantitative Computation of Micro-Organ- by the Cup Method isms - U 78 Comparative Evaluation of Various Methods of Soil Preparation 96 Estimating the Quantity of Ricro-Organisms in Different Type Soils 103 Soil Preparation for the Quantitative Computation:of Micro-organ- by the Direct Microscope Method Isms 106 Conclusion- 107 The Effect of Adsorbents on the Life-Activity of Nicro-organisms 112 Using Adsorbents in Cultivating Micro-Organisms 112 The Effect of Adsorbento on Aerobic Microbiological Proce,3:3es 115 Multiplication Rate of Free and.Adsorbod Cells 115 a .1i z--Orgdnisms The Effect of Adsorbents on the 'Bre' thino of I ro r 125 Using the 1-ficro-Organisms of Solid and Vonsoluble. Substrata 120 The.Availability of Adsorbed Amino Acids to Micro-Organisms 124 _Effi6t of Adsorbents-bii~th'&:,Dedo~pd:sitidn of Adsorbed Albumen and Ammonification 129 3/14 USSR ZVYAGINTSEV, D. G., Interaction of Micro-Organisms With Solid Surfaces, Moscow, 1973 The Effect of Adsorbents on Nitrification 132 The Effect of Adsorbents on Vitrogen Bacteria and Tuber Bacteria 13-3 The Effect of Adsorbants on tho Develolment, of KJ,cro-Orpnisms in Very Diluted Nourishing Hedia 135 The Effect of Adsorbents on Anae'robic'Microbiological Processes 136 Storage of Micro-Organisms on Adsorbents 140 The Development of Micro-Organisms in Capillaries and Films 142 Conclusion 146 -Literature 156 4/4 80 UDC 541.183%576.8t6661.1 T PERISOVSMA, A. E., and ZVYAGINZW~~V, D. Chair of Soil Biology, rioscow State University ineni Lomonosovf I-ioscow "Adsorption of Bacteria on Glass, Modified Glass Surfaces, and Polymer Films,, HOscous I;auchnyye Doklady Vy5shey Shkoly, Biologichesldye !~auki, 110 3, 1971, PP 100-103 Abstracta The adsorption of microorganisms from an aq~ueous mediun on the surface of glass (functional group OH-), glass modified by deposition of silicones with the functional groups I-% or ki"2+on the* surface, anrl polyzer film uith the functional groups NH2 (Polyamide), -CH~-CH,- (polyethylene), or COO on the surface was studied. ALI microorganisab could be subdivided Into three groupsi those that were adso.-bed:st2vngly on all surfaces in- dependently of.the nature of the functional group ard the hydrophobic or hydrophilic rature of the adsorbent (1); those whose adsorbability varied with the nature of the adsorbonts' functional groupsp although they itere aftorbed to a greater or lesser extent on most surfaces' (11); those that were adsorbed weakly on all surfaces (111). Group I consUted of all cocci (Sarcina, .1/2 21 TZSR FERTSOFSKAU, A. E., and ZVYAGINTSEVr D. G.# Fauchnyye Doklady Vysshey Shkoly, Nawki, No 3, 1971 Is PP-100-105 Yderococcus), all strains of Bacterium prodigiosum, and the rajority of mycobacteria. The surface of these nicroorgamisms presumably has a structure similn to that of a mosaic, with facets that have an affinity for different ba 4- L & adsorbent surfaces, The majority of non-spore-foxming c~eri, belon ed to group 11. Group III consisted of all species of the gwius Bacillus. Although their adzorvtion on all surfaces iras weak.# bacilli were!adsorbed more strongly on hydxophobic than hydrophilic sm-faces, The adsorbability varied with the -strain for the same species and the age of bacterial cultures of the same strain.- It was. genexally tho same for live cells as those killed by auto- calving. 2/2 01111R.& Ual MM. 1/2 023 UNCLASSIFIED PitOCESS ING DAT E- 300C T7 6 "'.il-T-ITLE-SELECTIVE ADSORPTION OF SOIL MICROORGANISMS 3Y ION EXCHANGE RESINS AUTHOR-ZVYAGINTSEY9 D.G. 'OUNTRY-OF INFO--LSSR .-SOURC E-~-B IOL NAUKI 1970v Is 81-6 --'DATE- PUBL ISHED--70 ..SUBJECT.AREAS-BIOLOGICAL AND MEDICAL SCIENCES* EARTH SCIENCES AND -OCEANCGkAPHY .."Jopic.TAGS-ADSORPTION, SOIL MICROBIOLOGY, ION EXCHANGE RESIN, SOIL TYPE MARKING-NO RESTRICTIONS ~~,-'.DOCUMENT CLASS-UNCLASSIFIED -.~TROXY REELIFRAME-1999/1960 STEP NIO--UR/0325/70/000/00110081/0086 ~_CIRC ACCESSION NO-AP0123141 F 2/2 023 UNCLASSIFIED PROCESSING DATE--30OCT70 CIIRC ACCESSIC-N NG--AP0123741 "T. SIGN AWRACTIEXTRACY-M GP-0- A6STRAC THE SHAKING (IF SOIL S 14 \s WITH IUN EXCHANGE RESINS AND DTHL-R ABSORBENS (CA SUB3 1PO SU94) SUB2, PARAFFIN WAX) RESULTED IN SELECTIVE AU~ORPTION UF (;fRTAJPl SOIL MICROORGANISMS. THUS, AFTER SHAKING THE SOIL SUSPI-NSION WITH 0')WLX I :CONTG. BOUND CUI. THE SPORULATING BACTERIA ACCUUNTED FDR 93PERCENT OF THE TOTAL COLONIES DEVELOPED AFTER CULTIVATION AS COMPARED 41TH ONLY 18PERCENT IN CCNTROLS. AFTER SHAKING THE SOIL SUSPENSIONS WITH R-ESINS SATO.- WITH FE -AND ALv. THE MYCOBACTERK A ACCOUNTED FOR 61-63PERLENT OF THE TOTAL COLONIES AS CGMPARED WITH 27PERCENT.IN CUNTROLS. f.XPTS. WITH OLIFFERENT SGIL TYPES (TERRA ROSSA, HUIAIC GLEY SOIL: I CHERNOLEM AND GRAY SOI.L),..SHOWED- THAT THE ADSORPTION OF MICROORGANISMS,: DEPENUED ONLY ON TYPE ~~'-;-~~OVHICROORGANISH. ~FACILITY: MUSK. :GOS* UNIV. IM. LOMONOSOVA, mpscowt, ussft. 4~r-- 71- UNC L A S S I F I E 0 PROCESSING DATE--11SEP70 t2, olo FUNGI ACCOMPANYING BACTERIA OXIDIZING MANGANESE -U- ,:,--AUTHOR-MIRCHINK# T.G.p ZAPROMETQVAp K.M.1 ZVY4 "GIfUSEV, D.G. OUNTRY OF. INFO--USSR C VOL 39, PP 379-383 J,~-~NRCE--MIKROBIDLOGIYA, 1970, NR 21 JDATE PUBLISHED ------- 70 :SUBJECT 4REAS--8[OLOGICAL AND MEDICAL SCIENCES T110.1c TAGS--FUNGUS# BACTERIV, BIOLOGIC OXIDATIONj MANGANESE CONTROL.MARKING--40 RESTRICTfONS DOCUMENT CLASS--UNCLASSIFIED :~PROXY REELf,FRA,4E--19a5/0371 STEP *40--UR/0220/70/039/002/0371/03F,3 CIRC ACCESSICNI 1-410--A'P0100857 010 UNCLASSIFIED, PROCESSING DATE--11SEP70 CAC,.~*kCESSION ND--AP0100857 ABSTRACT/EXTRACIT--(U) GP-0- ABSTRACT, WHILE USING SOIL AGA~~t 21 FUNGAL STRAINS, GPOWANG WITH MICROORGA-41SMS OF: THE METALLOGE-kilull GENUS, WERE 1SCILATED FRGHiTURF POOZOL SOIL OF THE MOSCOW AND NOYGOROD REGIONS AS WELL. AS. OF THE ~FSTONIAN SSP,, THESE FUNGI WERE REPIRESFNIED BY THE FOLLOWING SP:EC,IES: CONIOTHIRIUM FUCKELLI, SAC. MYCOGONE N!GRA (MORGAN) JENSEN., FUSARIUM KUHNI (FUCK) SAC*,# ALTERNARIA GEOPHILA DASZ., CEPHALOSPORIUM-SP. AS WELL AS BY THE FORMS OF STERILE MYCELIUM. HENCE, ,..,NOT ONEl,.FulfjGAL SRECIES BUT SEYERAL CAN BE SATELLITES, OF METALLOGENIUM.. _-TH8SE:..ARE -WELL KNOWN FORMS '-BUT -WITH SOME;PECULIARI-TIES bUE*TO .,~:--.COEXISTANCE -WITH METALLOGENIUM* US SR U'DO 576.8 09.33 .2 ZVYA!~ 3 . C h a i r o fSoil Bioloyy, Soil :13iol ogy Facal ty, tz) immi MI. V. Lomanosov Moscow State TIrtivnnrs ty L MOSCOW, Mikrobiologiya, 1!Q1 39, No 1, jan/-Velb 70, pp 1-161- 11;5 Abstract: A comparative study was mad..:~ of Microbial. in Per- s s o~~ di'fer,-rit diame:ter- ~ Tho microo--anismis riv e s t a t e dwire Pseadomonas flaorescens, PSCL1dOnOr~i,:._L, D".0cya-1-MIL. Eschericl%ia coli, Bacteriumi Y_dlirriosum, HiCrOCOCCUG ~,?i Staphyi,,-coccus aurc~us, Thermobacteria-um cereale, .~ill,iopsis sarurnus and S,-ccharnmveos St-tielies conducteil. ~.Ata a SLaptLyIncoccus aurp t1lat the cell multiplicar-iorl "Lepolir's i c t 1 to a freat degree. on Capillary dia(m.,ter. In a pr,,rLod, Cel LS increased tenfold in a 400-xi.50 micron capillary, tw.:),'ol~l -Lin a 10.~5 lary and tiardLy, at all In a ~ 5x' mfcron capi Llary. MIC111on cap-J.;_ h r: microbt s st~idied. Ano 1:her Sim4lar results were obtalned 1wi -h o b (f~ L import-ant feature of mi-icrobial growth in thin cr~pillarips w'-s tile contraction of ti-.o length of bacillc;Xy cells or cc~- the averat,~e size o-~wE yeas t - Cells In 1:1-4in crease In the cell --rowth process was inhibitee. more iritensivel-v than ti-le rission process. To criore (letailed data. on tiae specif ic 1/2 TISSI3 7VYAGINTV~%F, D. 7,., e.- al., Moscov, Mikrob iol ogiya, '.Toi. 39, NO 1, Jan/Fob 70, 161-165 character of milcrobial rrowth in capillaries, a~ study was made of: the ability of cultures to reduce POt.-SSiUIII TL-L~! mos- de- tailed ex-parinents were conducted with.a Th.(,_ rriv)bac t eri am, cereaLe culture. They -~nclicated that fornia?_~n and tellurium '~'Dpozlr much ffaster.and grr-ater numbers Ici thin czap-illariess ti-tan in thicker ones. F.'~.peri_ments on the multiplicatiol't ratp of cells lo- cated in thin fili.-tis of culture medium appLied t6 cover -jasses by the hanginS~ drop metholl showed that in films wit1i thicLRPsses of microns, -ease in the m ltiplica- ate occurs. a sharp cleci L: t: i nn ra This ef-Iffect is also commor. to large,SI2~0_- cells located in thQ thin liquid f-I'lM at the edye of tI-e. h~-nginfr drop. In tne latter case, C~ the cells located in the center of the drop multiply much faster, often 10-20 times faster. 2/2 IIEMMEM di Vim USSR UDC 582.282.23,094.85.088.7 GUZEVII V. S., GOLUBEV, V. T., and ;Chair of Sail Biology, Faculty of Soil Biology, Moscow State Uaiversi.ty imeni bf. V. Lomonosov, Moscow "The Detection of Microcapsules in Microorganisms and the Control of Their Complete Decapsulation by Microelectrophoresisi" Moscow, jqikrobiologiya, Val 41, No 1, Jan/Feb 72, pp 115-120 Abstract: Strain No 943 of yeast Cryptococcus albidus var. diffluens was used in the study. An acapsular strain was obtained by multiple trainsfers and growths of the original strain on wort agar. Complete decapsulation was per- formed by autoclaving of the culture in an acetic acid solution at p1l 4. Electrophoretic mobility wa!, estimated using in 11 clonod cluambior. Tbe uffacL of p11 w.,.v-3 N,Cudied w, jilig, modified t1c1jvc1n'.q citraLe- phosphate buffer of an ionic strength 0.02i The maxim-al electrophoretic mobility (2.7 rid. c ron/sccondf vo It/ cen time ter) was obtainect at pki 7.8. The mobility decreased at lower pH values. Both capsular and acap5ular strains had identical mobility, which indicated the identity of ~ their surfaces. The presence of a microcapsule (less than 0.4 micron) on the so-called acapsular strain was confirmed by electron microscopy. On the other hand, a strain completely decapsulated had a different electrophoretic mobility (+0.25 1/2 IM" USSR GUZEV, V. S., et al., Mikrobiologiya, Vol 41, No 1, Jan/Feb 72, pp 115-120 micron/second/volt/centimeter) tha:-I the parent strain (-0.2 micron/second/ -volt/centimeter) at pH 1.7. The differences in electrophoratic mobility decreased with.. increased pq. M.Lcroe'Lectrophoresis is a simple and convenient method for the detection of m-Lerocapsules undetectable by opt-teal microscopy or by chemical methods. A control capsular strain is necessary for the test. 2/2 30 T '5 -8-098 USSR WC ~6 GUZZV, V. S,, and ZffAG11MRV,_4 G., Chair of Soil Biology, Moscow State University "M.1croelectrophoresis of the Cells of Hicro6rgani8ms" Moscow, Yestnik Ploskovskogo Universitetap Seriya 6, Biologiya, Pochvovedeniye, No 6,.NoV/Dec 71, pp 90-96 Abstract# Despite the importance of electrophoresis to the study of the electrokinetic propertJes of cells, until now.Sovlet literature has not contained a description of a method of microelectrophortsis of cells in a closed.chamber, The authors of the present article designed a device to accomplish this purposet and thorough testing has shown.~.it to be Sufficiently accurate and reliable.for a wide range of~practical applications. It con- sists basically of a Perfil'yev capillary chamber with plane-parallel walls and two vessels containing electrodes and having outlets- which lead back to the chamber. A system of stopcocks m6.,es It possible to fill the vessels with a saturated solution of CuG04 and to drive the air.out of -the chamber and-fill it with a auspension of cells. The authors 11st 10 staps for vaing their device to obtain alectrophoretie data twd then pr-3aerit and explain formulao for using this data to compute the cells' electraphoivtic mobility, electrokinetic potential, and ourface denaity pf the charge. Finallyo as an oxamplat the values computed for the aloatrokinotic propel-ties . 11 , F I I I fI :" I :I It ~ ~; A I I k';; z -- , ' ~~ rt- - ' -- - 11 -' - - I . i i ~;' ". I ~ t AII , 1, '- . " ~7 - - ' . - .1 - . " __ . _I _'. - --- - 777 USSR UDC 576-8-095-383 MAGIVISEVI D. PERTSOVSKAYA, A. F., YARHIIIN, YE. D., and AVERBAKH, r of Soil Biology, Biology and Soil.Facultyt rLoscou State University imeni M. V. Lomonosovj Moscowg and Institute of Physical Chemistry, Academy of Sciences USSR "Determination of the Degree of Adhesion of Cells of.1,11croorganisms, to Solid Surfaces" Moscov, Mkrobiologiya, Vol 40, no 6, Nov/Doe 71, pp 1024-1028 Abstracti The force with which cells of 11 strains of microorganisms of 9 species adhered to the surface of a glass plate upon.adsorption was dater- mined on a centrifuge equipped with a special rotor. The. nutiber 11 of cells 0 adsorbed on the gales surface from suspensions of oqual concentration before the force detaching them was applied docreased.in tho ardor Staphylococcus aureus 120 -'N Bacterium fimbriatum N Bacillus mesenteridus 112-~- Ser. rarcescens 71 > Ser. marcescens 103 > Bac. aesenterilc~' 53-.~~ Fseudomonas > Ps. pyocyanea Bac. cereus 116 --;-, Bac. svzbtilia 27_~-- Saccharomyces cerevisiae. The value of Y Is N.100/"io, Where N is the F number of cells that remained on the surface after rotation at 16,000 rpm (7,800 rpm for Sacch. cerevisiae), decreasad in the order Ser. narcescens 71 ;> Staph. auxcus 120 57 Ser. marcescens 103 ~7 Saach. cerevisiae ZVYAGINTSEV, D. G., et al., Mikroblologiyal Vol 40, No 6't Nov/Dec 711 PP 1024- 1028 bac. cereus 116 > Ps. pyocyanea Bac. mesentericus 53 Bact. fimbriatum > Ps. fluoreseems > Bac. mesentericus 112 Bac, stibtilis 2?. The f orce F at which 50% of the cells adhering to the glass beca-ne detached was 50 within the range of 4 X 1077 - 4 X 10-4 dyne/cell for the Microorganisms studied. YF decreased with increasing age of the cult=s,, It was typical for some strains (principally those of species of the. genus Bacillus) that the number of cells which aahered to:the surface was small, while F -5 50 71 was large (o.6 x lo dyne/cell). For Ser. marceseens 71 and Stapb. aureus 120, both the number of cells.that adhered and the:force of adheslon vrere larga. Non-sporiferous bacteria (e.g.# those of the genus Ptoudozonas) adhered to the solid surface in large numberzj,wh1je F ~ for them nas snall 50 (0014 X 10-6 _ 0.6 X 10-6 dyne/call), Consideration of'the values of P a equal to the ratio of F 50 to the volume of a call indicited that the force of adhesion on the ba-sis of P was highest for Ser. marcescens ?I and Staph. a aureus 120, while it -was much loiter for the other strains. An electron- microscopic examination shoued that the great strength of adbes~o of Se marcescens 71 and Staph, aureus 120 was dme to the presence o:V thin cell-wall protuberances that facilitated contact. 2/?- T-V Acc. -Nir* Abstracting Service: Ref. Code: CHEMICAL ABST. 10 ell AP01.01521 r- 113422u Kinetics of the conversion of methkne by steam under pressure. Atroshchenko,, V- I-; Z% , a intsey. G. L. (USSR). Khiyn. Prio-nT.'-(Trtis~oull) 1970, ~~I 'Tnn). The catalytic conversion of sulfide-free natural g Micontactwith. the GIAP-3 catalyst was 7 investigated at 873-W73'K, 41 atm., flow rates of 3000-50,000 Vol./hr. and steai~-gas ratios of 0.5-4.0:1. The time needed to reach nit equil.ideg. of conver- sion of the CIL was 0.20-0.25.'sec', The rate ciollst., k, of the reaction in-the. presence of an excess of stMtii, e.g., at 2:1 H20-CH4 ratio was practically independent Of the pressure between 2 and 41 athi and its value at 1073"K was 3L6, atin/- W; the energy of activation of the !reaction ivaic)0,300 J/mole- sc, The relation between, k and temp- T, can be i~~,pres ~'d by the cquati6nlogk-5.'90,-(47d20/T). AtHjO:CH,,.Iatios