selectivity的例句大全

Increasing the conversion of olefin, promoting the cracking reaction and increasing the selectivity of propylene would be in favor of increasing the yield of propylene.

提高烯烃的选择性转化、促进裂化反应并提高丙烯产物的选择性，有利于提高丙烯产率。

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Emulsion liquid membrane has the features of high mass transfer rate, good selectivity and so on.

乳状液膜具有传质速率高，选择性好等特点。

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The results indicate that the hydrolysis is a pseudo-first order reaction with faster rate, good selectivity in removing HexA and could be used for ECF and TCF bleaching sequences.

结果表明该水解反应为一反应速度较快的拟一级反应。此外，该水解反应的选择性较高，可望应用在无元素氯（ECF）和全无氯（TCF）漂白技术中。

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Selectivity obstacle_avoidance research based on relative speed

基于相对速度的选择性避障方法的研究

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Fluorescence analysis method has an advantage of high sensitivity, strong selectivity and simpleness and is fit for online monitoring field.

荧光分析方法具有灵敏度高、选择性强、方法简便等优点，适用于在线环境监测领域。

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Group U2 was of low selectivity and high solvency. The second step is: selecting one solvent apiece from each group to make up of a mixed solvent system; screening the mixed solvent according to selectivity, boiling point and solvency.

第二步：分别在U1和U2中选择一个溶剂，排列组合，根据混合溶剂的选择性、溶解性和泡点筛选出最优的溶剂。

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The method was novel time-saving with high selectivity and sensitivity.

该方法新颖、快速、灵敏度高。

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Hence the Nitrate Radical Ion Selectivity Electrode Method would not only simplify the operation process but also shorten the fest time, so it could be an ideal method.

我们采用硝酸根离子选择性电极法不仅简化了操作程序而且也缩短了检测时间。是蔬菜质量监督检验的理想方法。

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The results showed that acid ionic liquids have higher activity and selectivity, stronger acidity is favorable to reaction. But for the alkylation, the acidity of ionic liquids need not very strong, appropriate acidity are help to improve the selectivity of product.

研究结果表明：酸性的离子液体具有较高的活性与选择性，较强的酸性对反应更有利，但对于烷基化反应并不需要酸性太强的离子液体，适宜的酸强度有助于提高目的产物的选择性。

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New reaction medium mainly include supercritical fluids and ionic liquids. These medium can not only substitute traditional toxic, harmed and volatile organic solvents, but also improve reaction activity and selectivity.

新型反应介质主要包括超临界流体和离子液体，它不仅可以替代传统的有毒有害的挥发性有机溶剂，同时可以提高反应的活性和选择性，并且易于回收利用。

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The other is conducted amidst carbonium ion intermediate and the product thus brought about has no stereoselectivity.

另一种是通过碳正离子中间体进行的，它所得到的产物无立体选择性。

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The results show that the probe indicates excellent sensitivity and selectivity for copper ion.

结果表明，两种探针对铜离子均具有很高的灵敏度和选择性。

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The ratio of the selectivity of monomolecular reactions to bimolecular reactions was 4.2 ∶ 0.9 during the chain initiation period.

链引发阶段单分子反应与双分子反应选择性的比率为4.2∶0.9。

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The addition of thorium promoted the chain propagation at low reaction temperature, but had little effect on methane selectivity and light hydrocarbon.

烃分布研究表明：反应温度较低时钍助剂将促进产物链的增长和高碳烃选择性的增加，但反应温度较高时难以促进产物链的增长。

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The results show that the activated carbon can filter mainstream smoke of cigarette effectively, lowering its TPM value, but there is no obvious change in smoking times and selectivity adsorption for CO.

研究结果表明：活性炭能有效截留卷烟主流烟气中的总粒相物，但对卷烟的抽吸口数及CO释放量影响不大；

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The second is to keep reasonable line speed and contact time, assure as higher conversion ratio and selectivity.

二是保持合理的线速度和接触时间，保证较高转化率和选择性；

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The effect of chloride ion on the metal interaction and reaction selectivity of ft-sn-al_2o_3 catalysts

Pt-Sn/Al2O3催化剂中氯离子与铂、锡的相互作用及其对反应性能的影响

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Catalysts for methanol oxidation reforming are prepared and selected. Tests show that at the same temperature catalysts in order of activity, selectivity and hydrogen yield are Cu> CrZn> Pd.

制备并优选了甲醇氧化重整的催化剂，实验表明在相同的温度下，Pd催化剂、Cr2O3ZnO氧化物催化剂和Cu催化剂相比，活性、选择性以及氢产率都表现为Cu>CrZn>Pd。

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Analysis of the influential factors for trawl selectivity

关于拖网选择性影响因子的分析研究

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Study on Lightning Strike Selectivity and Influencing Factors of Transmission Lines

输电线路雷击选择性及其影响因素的研究

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