查询词典 selectivity

The MSDs assemble to form a low conductance (6-10pS) anion-selective pore with deep intracellular and shallow extracellular vestibules separated by a selectivity filter.

MSDs构成一个低电导(6~12pS)的阴离子选择性孔道，其形状如同不对称的沙漏，胞外小胞内大，狭窄部分为离子筛。

Because fluorimetric analysis has many advantages such as high sensitivity,high selectivity,wide range of dynamic response as well as real-time detecting,the detection of biological thiols based on fluorescence techniques has received special attention.

荧光分析法因其具有灵敏度高、选择性好、动态响应范围宽及易于进行原位分析等优点而在生物分子检测中受到人们的广泛关注。

ResultsThrough a large number of the literature investigations,in the medicinal guides,some chemical constituents such as Platycodosides,3H-ligustrazine and aromatics,etc were found to have their own selectivity and the ability to actively enter the targetable sites, similar to the active target-tropism functions of primer, promoter, transmitter, mediator, transductor and transporter, etc.

结果经过大量的文献调研，发现引经中药中的某些化学成分如桔梗皂苷类、川芎嗪和芳香烃类等许多活性成分均有各自的主动选择性，能主动进入靶点部位，类似于引物、启动子、递质、介质、介导体、转导子、转运体等主动靶向性载体的功能。

ResultsThrough alarge number of the literature investigations,in the medicinal guides,some chemical constituents such as Platycodosides,3H-ligustrazine and aromatics,etc were found to have their own selectivity and the ability to actively enter the targetable sites,similar to the active target-tropism functions of primer,promoter,transmitter,mediator,transductor and transporter,etc.

结果经过大量的文献调研，发现引经中药中的某些化学成分如桔梗皂苷类、川芎嗪和芳香烃类等许多活性成分均有各自的主动选择性，能主动进入靶点部位，类似于引物、启动子、递质、介质、介导体、转导子、转运体等主动靶向性载体的功能。

The experiment demonstrated that column flotation has good selectivity for stickies removal.

实验证明这套浮选系统对胶黏物去除具有较好的选择性。

At the same time, the conversion efficiency of NO〓to N〓 was improved by plasma and the selectivity to N〓 formation was enhanced from 1.1% to 1.53%. 4. TPR experiment of simultaneous removal of PM and NO〓 were carried out by plasma/catalysis techniques. The PM was obtained by putting the γ-Al〓O〓 spherules in the diesel exhausts.

选用75％负荷工况挂烟得到的PM的程序升温反应试验结果显示，CO〓和N〓产生在相同的温度范围，表明PM的氧化和NO〓还原同时发生，而且是NO〓和PM的相互作用的结果，并且，PM燃烧得到的程序升温反应曲线是双峰曲线，NO〓在低温段和高温段分别被可溶性有机物SOF和干碳烟DS还原。

In the mixed solvent of dimethyl phthalate / TBP or phenyl ether / TBP, the selectivity for styrene oxide is good but the conversion of styrene is low due to the coordination to the catalyst of the solvent.

邻苯二甲酸二甲酯或二苯醚等与磷酸三丁酯的混合溶剂中环氧化的选择性较高，但由于溶剂对催化剂的配位作用抑制了催化剂的活性，苯乙烯转化率很低；当部分的邻苯二甲酸二甲酯或二苯醚被甲苯取代后，苯乙烯的转化率提高，生成环氧苯乙烷的选择性不变。

With high efficiency, high selectivity, security and environmental friendship, the biocatalysis possesses significant advantages over chemical catalysis in organic synthesis, especially in the asymmetric synthesis of the enantiomerically pure compounds and in the resolution of racemates.

生物催化的高效性、选择性、安全性以及环境友好等优点，使其在一些化学合成领域，特别是在对映体纯的手性化合物的合成和消旋体拆分等方面，具有化学催化不可比拟的优势。

Because of good selectivity to anions in solution of calix[4]pyrroles, the synthesis of calix[4]pyrrole-bonded stationary phase will also provide new means for separation to anions and neutral substances in chromatography and promote the development in supramolecular chemistry.

基于杯[4]吡咯化合物在溶液中对阴离子的选择性识别性能，利用其对色谱固定相进行改性以合成针对阴离子和中性小分子化合物的色谱柱将为色谱分离技术提供新的手段，推动超分子化学在分析化学中的应用并促进杯吡咯化学的发展。

In consideration of human hearing system′s frequency selectivity,the effects of thickness of coupling plate on critical-band level were also explained.

在考虑了人类听觉对频率的选择性接收的前提下，研究了参与耦合的板的厚度对特征频带声强级的影响，讨论了从特征频带声强级到响度的转换过程。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。