Tool steel direct from the ore
๐
Article
๐
1912
๐
Elsevier Science
๐
English
โ 64 KB
stone covered with nickel, and heated to 3ooยฐC. When the temperature is below 3ooยฐC. and the content of carbon monoxide below 17 per cent. the carbon monoxide is changed quantitatively into methane. When the temperature is too high, carbon dioxide is formed, and when the content of carbon monoxide i