Industrial Heating, Volym 25National Industrial Publishing Company, 1959 |
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Sida 1356
... Hydrogen Hydrogen was one of the first gases used as a furnace atmosphere to both prevent the formation of oxides on the surface of metals and to reduce oxides already present . Hydrogen is highly reducing to oxides of various metals at ...
... Hydrogen Hydrogen was one of the first gases used as a furnace atmosphere to both prevent the formation of oxides on the surface of metals and to reduce oxides already present . Hydrogen is highly reducing to oxides of various metals at ...
Sida 1358
... hydrogen must be treated with precaution . However , since hydrogen has been success- fully applied for many years and proper precautionary methods have been developed , its use should not be feared . Hydrogen is manufactured in several ...
... hydrogen must be treated with precaution . However , since hydrogen has been success- fully applied for many years and proper precautionary methods have been developed , its use should not be feared . Hydrogen is manufactured in several ...
Sida 1510
... hydrogen - nitrogen mixtures . With this equipment it is possible to pro- duce atmospheres ranging from 75 % hydrogen and 25 % nitrogen , dis- sociated ammonia , to 99.5 % nitro- gen and 0.5 % hydrogen . CONSULTING SERVICES J. D. KELLER ...
... hydrogen - nitrogen mixtures . With this equipment it is possible to pro- duce atmospheres ranging from 75 % hydrogen and 25 % nitrogen , dis- sociated ammonia , to 99.5 % nitro- gen and 0.5 % hydrogen . CONSULTING SERVICES J. D. KELLER ...
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JULY | 1321 |
Consumable Electrode Vacuum Arc Melting Furnace | 1338 |
in Flexible Installation | 1349 |
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