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。
It's a high selectivity, high sensitivity, high stability way that use photo acoustic method to detect trace gas concentrations.
光声法检测痕迹气体浓度，是一种具有高选择性，高灵敏度，高稳定性的气体检测方法。
The present invention relates to a high selectivity, high activing new type solid acid catalyst for esterification and its preparation method.
本发明为一种酯化反应用高选择性、高活性新型固体酸催化剂及其制备方法。
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。
The tissue slice of sheep kidney in conjugation with ammonia gas sensing probes yields a sheep kidney tissue based membrane electrode with a high selectivity for D-amino acids.
将羊肾切片组织配合氨气敏电极可制成对D-氨基酸具有高选择性的羊肾组织膜电极。
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。
In current study of medicine and pesticide, pyridazinone compound has become a focus due to its excellent selectivity and high activity.
当今医药和农药研究中，哒嗪酮类化合物以其选择性好、生物活性高而成为一大研究热点。
The results manifested that the floatation effect of BET is better than that of other common floatation reagents and has a higher selectivity especially in high-sulfur coal sample floatation.
实验结果表明，BET的浮选效果要优于普通煤用浮选药剂，尤其是用于高硫煤的浮选时，它有很强的选择性。
A break - through in the research and development of domestic wax hydrotreating catalysts with high activity, good selectivity and superior stability is observed.
具有活性高、选择性和稳定性好的石蜡加氢催化剂，标志着我国对专用催化剂的研究与开发达到了突破性的进展。
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。
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。
As the chelating resin in the electrode can exerts a concerted effect of ion exchange and coordination with copper, this method produces a high sensitivity and selectivity.
由于修饰在电极上的螯合树脂与铜离子在进行离子交换的同时发生螯合反应，故本法具有较好的选择性和较高的灵敏度。
A successful technical catalyst is required not only to have high activity, selectivity and heat-resistance, but also enough high mechanical strength in order to resist some mechanical stresses.
一种成功的工业催化剂，除具有足够的活性、选择性和耐热性外，还必须具有足够的机械强度，以便抵抗在使用过程中的各种应力。
Conclusion This method showed high sensitivity, good selectivity and low interference. It is a good method to determine nitrite in blood.
结论此法灵敏度高，选择性好，干扰少，是检测血液中亚硝酸盐的好方法。
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。
The perfermance test on a commercial riser cracker shows that meta-Y-3A molecular sieve cracking catalyst is of high activity and improved gasoline selectivity.
偏Y-3A分子筛裂化催化剂在提升管催化裂化工业装置上使用试验的结果表明，该催化剂的裂化活性较高，汽油选择性较好。
Nano-sized photocatalysis material is a kind of catalyzer which have high chemistry activity and selectivity.
纳米光催化材料是一种对化学反应具有较高活性和高选择性的催化剂。
Carbon materials have high catalytic activity and selectivity to propene for ODP. Compared with activated carbon and graphite, CNF is a promising catalyst for ODP due to its structure peculiarities.
结果表明炭材料自身对于OD P过程具有较高的活性和选择性，尤其是CNF由于其独特的结构特点更适合用作odp过程催化剂。
Liquid-liquid extraction using reversed micelles is a promising biochemical separation approach, which can be easily scaled up, operated in moderate conditions and possesses high selectivity.
反胶团液-液萃取技术具有条件温和、高选择性、易放大等优点，是一种应用前景极好的生化分离方法。
A high flow rate and pressure of hydrogen was in favor of the catalytic reduction of nitrate, but not benefit for the selectivity.
而对于选择性，前者提高，后者则会导致降低，即控制反应扩散性能有利于提高催化选择性。
IBX is a new dehydrogenating reagent with such advantages as mild reaction condition, high selectivity, convenient work-up and recyclable.
IBX是一类新型的脱氢试剂，它具有反应条件温和、选择性较高、后处理简便、可再生利用等优点。
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；
A novel ionic sieve with high selectivity and acid resistance to remove Nd3+ in aqueous liquid was prepared, in which zirconium phosphate was used to be the substrate.
以磷酸锆为基体，合成了具有高效选择性、抗强酸的新型分离材料提钕离子筛，连续运行表现出良好的筛分性能。
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。
The substrate selectivity of the polymer was investigated. The results showed that the imprinted polymer exhibited a high affinity for 4 aminopyridine among the tested compounds.
底物选择性实验结果表明，与结构相似的化合物相比，4 -氨基吡啶球形分子模板聚合物对4 -氨基吡啶显示出强的选择性。
The selectivity is reasonably good, even at the high end of the band. A wave trap can be used to null nearby stations.
即使在频率高端，此线圈仍能保持良好的选择性。添加陷波器可以减小强台的干扰。
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。
Therefore a new type of sand prevention and water plugging agent was studied in this paper. The new agent can prevent sand effectively, but also plug water with high selectivity.
研究将防砂堵水工艺合二为一的新型防砂堵水剂，既能有效防砂，又有选择性堵水效果。
The invention belongs to the technical field of oxidation synthesis and discloses a chemical method for high-selectivity oxidation and oxygen-adding open loop of catechol substance.
本发明属于氧化合成技术领域，公开了一种邻苯二酚类物质高选择性氧化和加氧开环的化学方法。
The invention belongs to the technical field of oxidation synthesis and discloses a chemical method for high-selectivity oxidation and oxygen-adding open loop of catechol substance.
本发明属于氧化合成技术领域，公开了一种邻苯二酚类物质高选择性氧化和加氧开环的化学方法。
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