selective controls ==> 局部控制,局部控制 selective conversion ==> 选择性转化 selective corrosion ==> 选择腐蚀,选择性腐蚀,局部腐蚀,局部腐蚀,局部腐蚀作用,局部腐蚀作用 ..
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Then the selective emitter solar cell structure is proved to be an effective way to improve the solar cell conversion efficiency in the course of deeply analyzing on its advantages.
在深入地分析其优点的同时论证了选择性发射极结构是提高太阳电池光电转换效率的有效途径。
The olefin conversion of FCC naphtha to produce light olefins over regular carrier catalyst preparated from shape-selective molecular sieve was studied in a regular fixed-bed reactor.
以择形分子筛制备的规整载体催化剂，在规整固定床反应器上，进行催化裂化汽油中烯烃转化产低碳烯烃的裂化反应。
In this reaction, selective formation of 2, 6-dmn other than 2, 7-dmn and the contradiction between 2, 6-dmn selectivity and 2-mn conversion are the two main difficulties.
在2 -甲基萘选择甲基化反应中，2,6 -二甲基萘相对于2,7 -二甲基萘的选择生成以及2,6 -二甲基萘选择性与2 -甲基萘转化率之间的矛盾是需要克服的两个主要困难。
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