selectivities
美：[səˌlek´tɪvəti] 英：[səˌlek´tɪvəti]
中文翻译
n.选择性；分离性；选择度
英文短语
1.selective 选择的
2.relative selectivity 相对选择性
3.effective selectivity 有效选择性
4.interionic selectivity 离子间选择
5.selectivity index 选择性指数
6.variable selectivity 可变选择性
7.selectivity characteristic 选择性特性
8.selectivity curve 选择性曲线
9.selectivity control 选择性调整
10.selectivity coefficient 选择系数
英文例句
1.The experimental results also show that pressure is one of the important factors to influence product selectivities of FT synthesis.实验结果还表明，压力也是影响费托合成产物选择性的重要因素。
2.Using this catalytic system, the oxidation reactions proceed under mild conditions and give both high conversions and selectivities.该催化体系催化的烃类分子氧氧化反应具有反应条件温和、选择性高等优点。
3.Their separation selectivities are toward alkanes, alcohols, ketones, aromatic compounds, positional isomers and some chiral compounds.其对烷烃、醇类、酮类、芳香族化合物、位置异构体以及一些手性化合物具有良好的分离效果。
4.The results have shown that the selectivities are good for all substrates and the yields are satisfactory for olefins and halides in this way.试验结果表明，上述底物用这种新方法进行羰基合成，反应的选择性好，其中烯烃和卤代烃的收率也较高。
5.Catalytic nitration of toluene occurs by use of nitric acid in the presence of bentonite metal nitrates with useful para selectivities, up to a para to ortho ratio 1.0.在皂土硝酸盐催化下， 甲苯能被浓硝酸对位选择性硝化，对邻硝化产物比率达1．0以上。
其他单词翻译
