The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 599
... nitrogen , 13N ; thus , 12C + 1H → 13N + gamma ray . A gamma ray is emitted in the process . The light 13N nucleus is unsta- ble , however . It emits a positive electron , e + , which en- counters a negative electron e- , and the two ...
... nitrogen , 13N ; thus , 12C + 1H → 13N + gamma ray . A gamma ray is emitted in the process . The light 13N nucleus is unsta- ble , however . It emits a positive electron , e + , which en- counters a negative electron e- , and the two ...
Page 645
... nitrogen 0.01 per- cent . The carbon must always be brought to a low level to obtain a dephosphorizing basic slag with 15 to 20 percent ferrous oxide . Thus , it is necessary to add to the ladle large amounts of ferromanganese , other ...
... nitrogen 0.01 per- cent . The carbon must always be brought to a low level to obtain a dephosphorizing basic slag with 15 to 20 percent ferrous oxide . Thus , it is necessary to add to the ladle large amounts of ferromanganese , other ...
Page 650
... nitrogen in the furnace gases of the basic oxygen furnace , and in the open hearth the bath is isolated from the atmosphere by a layer of slag . Electric - furnace steels may contain between 0.006 and 0.012 percent nitrogen . Ordi- nary ...
... nitrogen in the furnace gases of the basic oxygen furnace , and in the open hearth the bath is isolated from the atmosphere by a layer of slag . Electric - furnace steels may contain between 0.006 and 0.012 percent nitrogen . Ordi- nary ...
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