selectivity的例句大全

The DM membrane possesses fairly good selectivity, chemical stability and scale stability.

DM阳极隔膜具有好的选择性 、 化学稳定性和尺寸稳定性.

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Immobilized metalloporphyrins avoid to form dimerization and have high stability, activity and shape and size selectivity.

负载后的金属卟啉配合物不仅避免了二聚,提高了稳定性和活性,而且表现出较高的形状和尺寸选择性.

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S-PPESK showed high catalytic activity and excellent dimerization selectivity under low reaction temperature conditions.

S-PPESK在较低的温度条件下对异丁烯的低聚反应表现出了很高的催化活性和二聚反应选择性.

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Improved yield and selectivity are observed while applying this technology on diazo-coupling reactions.

该技术在重氮化、偶合反应中的应用,取得了高于常规反应器的收率和纯度.

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Higher temperature and more water not only denature PPL , but also decrease stereoselectivity of PPL.

温度和水分的升高不仅使PPL酶活降低, 而且会引起选择性降低,甚至可能使PPL选择性整体表现出逆转.

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Silylation, P modification and MgO modification can improve p-DEB selectivity greatly.

MgO改性提高对二乙苯选择性最为明显.

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The Endo-conversion 、 Exo-yield andExo-selectivity are 96.46 % 、93.12 % and 96.54 % respectively.

Endo -THDCPD 转化率为96.46%,Exo -THDCPD 收率为93.12%,选择性为96.54%.

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Experiment shows that to polyether initiator, crude emulsion breaking has definite selectivity.

试验证明:原油破乳对聚醚引发剂有一定的选择性.

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Selectivity of human migration has long been the focus of demographers and economists.

摘要人口迁移的选择性一直以来都是人口学家和经济学家关注的焦点.

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Selectivity of human migration long been the focus of demographers and economists.

人口迁移的选择性一直以来都是人口学家和经济学家关注的焦点

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The advertisement audience has the greatly strengthened selectivity and elusion to the media advertisement.

广告受众对媒介广告有极强的选择性和回避性.

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High enantioselectivity with an ee value up to 97 % was achieved under very mild conditions.

在温和条件下,取得了ee值达到了97%.

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Ligand 3 b gave higher enantioselectivity ( up to 96 % ee ) and chemical yield.

在配体3b催化的苯乙炔对醛的不对称加成反应中,产物的ee达到96%.

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Development of electrochemical partial fluorination were introduced. The factor: effecting the selectivity of fluorination were reviewed.

简介了电化学选择氟化方法的发展以及最新进展,并着重介绍了影响选择性的因素.

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Though xanthate, the traditional sulfide ores collector effective in collecting ability, its selectivity is not good.

传统硫化矿捕收剂黄药的捕收能力虽然较强, 但是其选择性较低.

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Zirconia shows different selectivity from silica power of high performance liquid chromatography ( HPLC ).

氧化锆的色 谱 性能与硅胶形成很好的 互补,具有广阔的应用前景.

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The commercial results showed that the catalyst possessed high isomerization activity, selectivity and stability.

工业标定结果表明:催化剂的异构化活性高, 选择性和稳定性好.

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The stereoselectivity was improved by increasing steric hindrance of the reactions.

通过增加反应的空间位阻改进了反应的立体选择性.

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The reason for selectivity lies mainly in the violation of pragmatic principle for interrogative mood.

限制原因主要在于违反了疑问语气的语用原则.

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The main influencing factors on the selectivity of complex reaction are analysed.

分析了温度和浓度是影响复合反应选择性的主要因素.

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