Our ears have only evolved to respond to sound with very high sensitivity and high selectivity.
人类的耳朵对声音的反应，极为敏感，也极有选择性。
It has been found that the Ca, Mg, la ion exchanged mordenites have both high activity and high selectivity toward dimethylamine with the yield of around 55%.
发现钙、镁、镧离子交换的丝光沸石，在表现出较高活性的同时，还对二甲胺具有55%左右的高选择性。
Being an effective depressant of diaspore, SA3 has such properties as lower dosage, good applicability and high selectivity.
作为一水硬铝石的高效抑制剂，SA3还具有用量少、适用性强、选择性高等特点。
This proposed method has the advantage of high selectivity and sensitivity. It is suitable for on-line analysis.
本方法具有较高的选择性和灵敏度，样品处理方法简单快速，适合于实时在线分析。
Experimental results showed the advantages of liquid membranes: rapid rate of uranium transport, high efficiency of extraction, high selectivity and good stability.
结果表明，此乳状液膜体系对铀具有迁移速度快，提取效率高，选择性和稳定性好的优点。
Analytical advantages of high sensitivity, high selectivity and rapid response time make gas chromatography-toroidal ion trap mass spectrometry (GC-TMS) a preferred detection technique.
高灵敏度、高选择性、快速响应时间等分析优点使得气相色谱-离子阱质谱联用技术(GC -TMS)成为一种首选的检测技术。
The tests show that the surfactants have good behaviour in floatation, and have advantages, such as good collective power, high selectivity and saving oil , so they have good prospect.
这几种表面活性剂对煤浮选有良好的促进作用，具有捕收能力强、选择性高、节油明显等优点，有较好的应用前景。
The special characters of copper colloidal catalyst is the high selectivity in the reaction of hydration of acrylonitrile to acrylamide.
胶体铜催化丙烯腈水合制备丙烯酰胺反应的突出催化特征是高选择性。
This method has simple procedure, fast reaction rate, high yields, mild reaction condition and high selectivity.
此法的特点是操作简便，反应速度快，收率高，反应条件温和，选择性高。
It is the reason of high selectivity of MTBE that mix C_4 react with methanol to produce.
这也是由混合C_4与甲醇反应制取MTBE时具有高选择性的原因。
Biocatalysis has many advantages such as effective activator, mild reaction, high selectivity and purity.
生物催化具有反应条件温和、高度选择性、产物纯度高等优点。
To validate the hemodynamic effects and high selectivity of ATP as a pulmonary vasodilator.
验证ATP作为肺血管扩张剂的血流动力学效应及其高度选择性；
Because of no volatilization, no pollution, no odour, high selectivity and catalysis, easy to recycle, ionic liquids become one of the hotspots of green chemistry as a new green solvent.
离子液体不挥发，无污染，无臭味，具有高选择性和催化作用且易于循环回收利用，作为一种新型的高效绿色溶剂，以其突出的优势已成为绿色化学研究的热点之一。
A hydrocracking catalyst with high selectivity to middle distillates was developed.
开发了一种具有较高的中油选择性的加氢裂化催化剂。
Economic for it can replace many procedures in traditional process and separation technology, (4) Having high selectivity to different irons.
对二价和高价离子具有高的选择性；(4)可取代传统处理过程中的多个步骤，因而比较经济。
Molecular imprinting technique is a polymerizing technique to produce molecular recognition materials with high selectivity and affinity.
分子烙印技术是一种制备具有特定选择性和亲合性的分子识别材料的技术。
A new system for structural search based on a high selectivity topological index EAID is proposed.
描述以高选择性拓扑指数EAID为基础构建的结构检索系统。
Conclusion Introducing the methyl group or a low alkyl group resulting in the high selectivity and increase of its activity.
结论甲基或低级烷基的引入导致了高选择性，使其活性增大。
With the decline of fisheries stock, gear of high selectivity should be used in the fishing industry.
随着渔业资源的下降，除了通过渔业法规严格管理渔业生产行为外，更应该使用高选择性的渔具。
The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.
研究了胶体铜催化丙烯腈水合制丙烯酰胺的高选择性与活性中心结构的关系。
It's deduced from the seismoelectric effect that the oil. gas and water exploration could be carried forward in high selectivity by making use of the surface natural electromagnetic field.
由震电效应可以推断，利用地面天然电磁场也有可能高选择性地探测油、气、水。
The microelectrode was turn out to be characterized by a high selectivity and sensitivity of ion and a good economy compared with other intracellular measurement.
实验证明双阻硝酸根离子选择微电极对细胞中硝酸根离子有较低的检出限，是一种选择性高、灵敏、经济的活体测定植物细胞中离子活度的方法。
In the oxidation process for manufacturing ethylene oxide, maintaining the high selectivity of the silver catalyst is essential to obtaining the best efficiency.
在乙烯氧化制环氧乙烷过程中，保持银催化剂的高选择性是发挥装置最好效益的行之有效的方法。
The catalyst has high selectivity and the whole process is environmentally acceptable.
催化剂有高的选择性。整个过程有好的生产环境。
Among all purification methods, affinity chromatography shows the excellent characteristics such as high selectivity, high yield, etc.
以亲和技术为基础的分离纯化方法与其它分离制备方法相比具有高选择性、高活力回收等优点。
The catalysts are easy to prepare and use, they are easy to recover and reuse, and they convert olefins to epoxides in good yields with high selectivity.
催化剂容易制备和使用，易于回收并再用，且它们能以很好的收率高选择性地 将烯烃转化成环氧化物。
The separation technique of solvent extraction based on reversible chemical complexation features high capacity and high selectivity for separating polar organic solutes from dilute solution.
络合萃取技术对于极性有机物稀溶液的分离具有高效性和高选择性。
Biocatalysts -enzymes are well known for their ability to carry out chemical reactions with high selectivity and high efficiency under ambient conditions.
生物催化剂——金属酶是在特定的生物环境中，进行其它催化剂无可比拟的高效性、选择性和极度温和反应条件的催化反应。
The electronics industry uses it in plasma and thermal cleaning applications for its advantages such as high etch rates, high selectivity, carbon-free etching, and minimal residual contamination.
由于它的优点，如高蚀刻率、高选择性、无碳蚀刻和最小限度的残留污染，电子工业把它用在等离子和热清洁应用中。
The high activity and high selectivity ang hydrogenation activity were painted out. Amorphous alloy catalysts are a kind of novel catalytic materials with broad development prospect.
指出了非晶态合金催化剂在催化中表现出优良的催化活性、高选择性和加氢性能，是一种有着广阔发展前景的新型催化材料。
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