Nature, Volume 84Sir Norman Lockyer Macmillan Journals Limited, 1910 |
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Página 302
... cementite eutectic , forming a triple austenite - cementite - sulphide eutectic , the cementite component of which is interstratified with a jointed pearlite ( by decomposition of austenite } sulphide one . He stated that " The presence ...
... cementite eutectic , forming a triple austenite - cementite - sulphide eutectic , the cementite component of which is interstratified with a jointed pearlite ( by decomposition of austenite } sulphide one . He stated that " The presence ...
Página 307
... cementite must have primarily formed , for the high carbon would not allow the formation of any primary silico - austenite ; when this cementite decomposed the silicide part of it would become diluted with the iron of the decomposed ...
... cementite must have primarily formed , for the high carbon would not allow the formation of any primary silico - austenite ; when this cementite decomposed the silicide part of it would become diluted with the iron of the decomposed ...
Página 308
... cementite crystals , but there was a complete absence of the ( white ) cementite crystals . Graphite was also present in exceed- ingly fine plates , resembling what is known as temper graphite . The evidence here is conclusive that even ...
... cementite crystals , but there was a complete absence of the ( white ) cementite crystals . Graphite was also present in exceed- ingly fine plates , resembling what is known as temper graphite . The evidence here is conclusive that even ...
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acid agricultural appears atomic weight August austenite batholiths Boulder Clay British cable Canadian Shield carbide carbon cells cementite cent character chemical chemistry College colour comet congress contains Cretaceous crystalline deal described direction discussion disease electrical engineering eutectic exhibit experiments fact feet geological give given glaciers gneiss Halley's comet Huronian illustrated important Institute interesting investigation iron J. J. Thomson July laboratory Lake Lake Chad large number larvæ London magnetic manganese mathematical matter means ment metal method nature observations Observatory obtained origin paper peneplain Perseid photographs plant plates Pleistocene practical present pressure probably Prof radium recent reference regard rocks Royal sand scientific silicon Society soil species specimens sulphur surface technical temperature theory tion trypanosome University various volume