The features and problems of manufacturing high nitrogen steels by the electroslag remelting method at normal atmospheric pressure and high pressure have been discussed in detail.
概述了目前高氮钢的主要制备方法，重点讨论了常压和高压电渣重熔高氮钢的特点和存在的问题；
Supported phosphorized molybdenum catalyst precursor was prepared by the sol-gel method, and reduced under atmospheric pressure by hydrogen nitrogen mixture for the first time.
提出了磷化钼常压制备工艺，包括溶胶-凝胶法制备负载型磷化钼催化剂前体及在常压下以氢氮混合气为还原剂的催化剂前体还原。
The standard method with atmospheric pressure correction for distillation test of coking benzene products is studied. The distillation range of coking benzene products is defined.
研究了焦化苯类产品蒸馏试验的气压补正标准方法，对焦化苯类产品的馏程范围进行了定义。
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