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At. II nicc!iiig liclcl on Xovcmlm 10 :I piipcr ou .' (::iscow Conil)ustioxi nt 1 [igh 1'rcssnrcs, l'iirts SlV, SV, nncl S'l " \ras rcritl l.)y \riIlii~ni A. J h i c l).Sc., F,JLS., I). 31. Xcwitt, Il.Sc., nntl I). 1'. A. 'l'o~rncnd, DSc. Prof. Ikmc siiid : *. 'I'lic pipers 1)rcsciitetl to-thy by m y collcngiics iintl self c~nbotly soinc rcccnt tlc\dopiiicnts of oiir rcsuarcIic!s ~IIJOII giiseoas conh1stion iit high prcssrrrcs. I3ut \ritliin tlic time nt my tlisposiil I ciin only tli*iil with one or two points of oiitstrintling intcrcst iintl i~iiikc cspcrinicnts I I ~O I I one of tlicni.
I t shoi11d be rcciillctl that pcrliiips tlic iiiost stxiking Iciitiire 01 our previous csperiincnts, wliicli rcliitctl to gnscoiis csplosions tit iriitiiil pressures i i p to 175 iitniosphcrcs, \*its the discorcry tlint in csplosions of CO -0, -N, iiicdin nt high prcssiircs N,-molecules rut " nctiwtctl '' hy rndiiition eaiittcd by tlic burning ciirbonic oside. In thcorcticril CO-nir csplosions this \-:is iiiiirkccl by (i) n cont~inuoiisly incrciising '; lag " in t lie tiiiic trtkcn for t.iic :it tiiinmcnt of iiiiisiiniiiii prcssiirc, iis the density of t,lic iiierliiiiii wis increiiscd from 1'; = 10 to P i = 175 nt~iiospliercs,* nacl (ii) n strong csot.)icriiiic c4cct during t Iw subseqiicnt " cooling period " (witlrorrt uji!y srrpprcssioii of hirielic erieryj dtiriny tlrc wplosio,i itserf) as tlic ;ictiriitcd N2-niolccnlcs slowly rewrtctl to t Iicir iioriiiiil contlit,ion. Jlorcovcr in csplosions of CO -0, -N, iiustiircs containing osygcn in csccss of tliiit rcquirctl [or tlic coiiqilcte conihustion of tlic ciir-Iwnic osidc, t.1w so-cictivatctl iiitrogcii rciictcd wit.11 tlic t:sccss of oxygen witli the prodriction of Inrgc qiiiintitics of nitric oxide, the iiiost ftivouriiblc iiiisturc for this ~iiirposc bcing 320 -t-30, + 2N,.
It was tilso tlctlircetl t lint, (j) wliilc sucli N,-iictivrttion i n i t tlicorcticiil CO-iiir csplosion Juitl incrciisctl witli tlic tlciisity of t . 1 ~ iiietliiiiii 111' to 175 iit,niosplicrcs, its intensit.y rcltit,ivc to tho totnl cncrgy de\dopcd Iind rcnclictl ii iniisiiiiiini tit 1'; = 75 to 100 at~~nosplicrcs, (ii) wliilc the 90-fornint.ion in 2CO + 30, + 2N2 csplosions incrcrisctl with tlic prossure, tlic unioiiiit. of NO, siirviving i n Llic r d d J)~OdllC~S :it. l'i=76 il~JJlOSp~lc~C!S ( I I i l l l l ~l J ' i l l J O l l t 3 p C r coat.) W I S only iiljoiit IN^ t,lic i i i i i s i ~n i i ~i i iictiinlly forinctl diiring t Iii! rsplosio~), tho otlicr hulf I i i i ~i ~~g tlccoinposctl tluriiig t l c .wbscquciit cooling pcrioil.
In view not, only of tlic tlicorcticiil intcrcst, of si~cli rcsults, hiit, also of their bciiring iij)on tccliiiicnl problcins of Iiitrogen Iisiitioii-I~ccriiisc ii too/, NO-foriiiiit,ion, if it coultl IJC SO obtiiiiictl, \rould ccrt iiinly justify ii coinincrciiil proccss---it wiis tlccitlctl i o carry olrt. f~rrtlicr c s ~~c r i n ~c n t s i i p n (i) t1icorc.t iciil '' JI2-iiir " iintl CO-iiir t!splosio~is tit.
l l I'i = iiiit,inl ~" ~i i r o , 1' ~~~-l l l ~S ~l l l i l l l i ..-C S J h h i O l l ~W'P!4H"CU, f j j ~~U S ~l ~~J H i ~J l l -l i l l l ~ (H(!UH.),
๐ SIMILAR VOLUMES
\'. N. IIii~.tIy 1)oititctl otlt t h t (111 tlic rciictiotis wIiicIi were cliiitiied to be itiitiiitctl by prcssitre coiiltl be brought nliout it1 prcseticc of tilkiili cirtiilysts, iiiid tic suggested t l i i i t tlic gliiss tnbcs, etiiploycd to cotitxiti tlic rcnctniit.s, lind supplictl iilkiili u
## Royal Society. PRESIDEST'S I\I)DRESS. (Chcmicnl News, 1016, 112, 291-292.) At thc Aniiivcrsnry Nccting of thc Roynl Society, hcld on Korciiibcr 3Otli, Sir Williani %!rookcs said:-Wc mcct to-day in circunlstanccs of unparalleled -gravity. I nm SIWC ivu arc all ilccply conscious of tlic inipcrnli