...突出末端平滑化；5'突出末端补平；单链删除后亚克隆；基因定位突变中的第二条链的合成；通过置换合成法（replacement synthesis）对DNA探针进行标记。
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The replacement of the ammonia synthesis catalyst and the reduction by heating of Type A110-1H prereduced catalyst and its operation are summed up.
总结了氨合成催化剂更换及A1 1 0 - 1H型预还原催化剂升温还原以及运行情况。
Synthesis process of dimethyl carbonate is reviewed. Oxidative carbonylation of methanol to DMC and the possibilities of replacement of DMS and COCl_2 by DMC are discussed.
讨论了碳酸二甲酯的合成工艺，主要介绍氧化羰基合成工艺，并对碳酸二甲酯取代硫酸二甲酯和光气市场的可能性进行了分析。
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