The sorts, research and application situation of the ammonia synthesis catalyst were described. The prospect and direction of development were pointed out.
阐述了氨合成催化剂的种类、研究和使用概况，指出了氨合成催化剂的发展前景与开发方向。
Comments on prospect of research, development and application are made.
对研究和应用发展前景提出了几点看法。
Former research improvements of enzymatic unhairing in leather making process were reviewed and looked ahead its application prospect and development direction.
总结了制革中酶法脱毛的研究进展，并展望了酶法脱毛今后的研究方向和应用前景。
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