Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3753Chemical news office., 1932 |
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Strona 178
... less contaminated with products arising from irregular heating , but mainly of ethane , and we concluded from this that the nickel , having broken up part of the ethy- lene , had utilised the hydrogen formed to hydrogenate the rest of ...
... less contaminated with products arising from irregular heating , but mainly of ethane , and we concluded from this that the nickel , having broken up part of the ethy- lene , had utilised the hydrogen formed to hydrogenate the rest of ...
Strona 179
... less regular and less active . The superiority of nickel as a cata- lyst is indisputable , and provided that poisons capable of altering the surface of the grains of metal are carefully removed from the hydrogen or materials upon which ...
... less regular and less active . The superiority of nickel as a cata- lyst is indisputable , and provided that poisons capable of altering the surface of the grains of metal are carefully removed from the hydrogen or materials upon which ...
Strona 190
... less water , it was but slightly benefited otherwise by the dry- ing . Neither sample had ammonia present to any extent as ammonia salts , but both samples were of good quality and had but little extraneous matter , earth , etc. Peat ...
... less water , it was but slightly benefited otherwise by the dry- ing . Neither sample had ammonia present to any extent as ammonia salts , but both samples were of good quality and had but little extraneous matter , earth , etc. Peat ...
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