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。
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。
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。
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。
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。
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。
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 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。
Kinase inhibitors have high selectivity and minimal side effects.
激酶抑制剂具有高选择性、副作用少的特点。
The humic acid bonded silica gel has characteristics of larger penetrating capacity, high adsorbance per unit quality and high selectivity when it is used for solid phase abstraction.
制备的腐殖酸键合硅胶用于固相萃取时，表现出穿透体积大，单位质量吸附量高，选择性高的特点。
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。
The remarkable advantages of the above mentioned reactions are mild, neutral, simple operation, good yields and high selectivity.
以上所研究的反应都具有原料易得，反应条件温和，操作简便，选择性好，产率较高等诸多优点。
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。
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 said process can synthesize bisphenol compounds with long side chain in high yield and high selectivity.
本发明以高收率高选择性地合成了一些新的长侧链双酚类化合物。
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。
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。
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。
This fluorescence sensor presented high selectivity toward TNP with quick response.
此荧光传感器响应速度快，对TNP具有良好的选择性。
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。
Especially the rapid and on-line detection of guest molecules by supramolecular optical chemosensors have the advantage of high selectivity, high sensitivity and expedience.
特别是超分子光化学传感分子能够实现对特定分析底物的快速检测，且具有高选择性、高灵敏度、简便迅捷等优点。
This process has many advantages over the traditional process, such as high yield, high content, high selectivity and low cost in the process. It opens up broad prospects for commercialization.
该工艺与传统工艺相比，具有收率高，含量高，选择性高，成本低等优点，具有广阔的工业前景。
Chromatographic methods of separation are distinguished by their high selectivity, that is their ability to achieve separation between components of closely similar physical and chemical properties.
色谱分离法因其高度的选择性而著称，可以用来在理化性质非常相近组份间实现分离过程。
This process has many advantages over the traditional process, such as high yield, high content, high selectivity and low cost in the process. It opens up broad prospects for com - merc...
该工艺与传统工艺相比，具有收率高，含量高，选择性高，成本低等优点，具有广阔的工业前景。
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。
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。
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。
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