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吸热式气氛是迄今应用于可控气氛热处理中最广泛的一类。以天然气制备吸热式气氛时,1份天然气和2.38份空气混合,进行如下反应:
The endothermic atmosphere is by far the most widely used type of controlled atmosphere heat treatment. When preparing an endothermic atmosphere with natural gas, 1 part of natural gas and 2.38 parts of air are mixed to carry out the following reaction: