hydroxyl的例句大全

in order to introduce the phenolic hydroxyl group, we designed four salicylaldehyde schiff base ligands, it indicated that this class of systems achieved the best catalytic effect.

为引入酚羟基，本文设计合成了四种水杨醛席夫碱配体，以这些配体构筑的催化体系催化模板反应，均能取得中等偏上的产率，是催化效果最好的一类配体。

A series of six porphyrin monomers were synthesized by direct condensation of heliotropin, hydroxyl substituted aromatic aldehyde and pyrrole. Structures of the target compounds were characterized by MS,~ 1HNMR, IR, and UV-vis spectra.

以胡椒醛及羟基芳香醛为原料与吡咯在丙酸中回流，合成了6种卟啉化合物，其结构用1HNMR，IR，UV-Vis和ESI-MS确定。

The results showed that the haze of iPP decreased first and then increased, with the number of hydroxyl group of benzylidene acetals increased.

结果表明，在饱和浓度下，随着羟基数目的减少，苄叉基团数目的增加，苄叉缩醛的增透效果呈现先增大后减少的趋势。

Influence of hydroxyl group in water soluble benzophenone sensitizers on the photopolymerization

水溶性二苯酮类光敏剂中的羟基对光谱和光聚合的影响

Determination of Hydroxyl Radical by Flow Injection Fluorometry

流动注射荧光法测定羟基自由基

Hydroxyl radicals, described as a "chemical scavenger12" by Science Direct, are important chemical compounds found in the atmosphere due to the reactive nature with other organic molecules13.

被Science Direct数据库描述为“化学清洗剂”的羟基自由基是大气中发现的重要化合物，可以和其他有机分子发生反应。

Study on the Balanced Synthesis and Devolatilization of Hydroxyl-Terminated Polydimethylsiloxane and Reactor

羟基聚硅氧烷平衡聚合脱挥及反应器研究

Method of determination of hydroxyl value of epoxy resin

环氧树脂羟基值测定方法的研究

Pilotscale experiment of using hydroxyl radicle to kill tiny organism in ship ballast water

羟基杀灭船舶压载水微小生物中试实验研究

Theoretical Study on Hydronium Ion Clusters and Hydroxyl Ion Clusters

水合氢离子团簇和氢氧根离子团簇的理论研究

The hydroxyl ion has a negative charge.

氢氧根离子有一个负电荷。

Liquid solution analysis showed that hydroxyl ion has a larger contribution to the ion conductivity in the pore liquid solution.

液相电解质分析表明氢氧根离子对离子导电的贡献较大。

Bipolar membrane is a special ion-exchange membrane comprising a anion-exchange layer and a cation-exchange layer. It can dissociate water molecules into protons and hydroxyl ions with the lowest theoretical voltage drop under reverse bias in a direct current electric field.

双极膜是一种由阴离子交换层和阳离子交换层构成的特殊离子交换膜，它在直流电场反向偏压下可以将水以最低的理论电压解离成氢离子和氢氧根离子。

The results from IR and XPS indicated that hydrothermal treatment could increase the absorbed water but reduce surface hydroxyl groups.

IR和XPS表明水热处理后溶胶表面吸附水增加而表面羟基减少。

2K-WPU is composed by two components: water-dispersible resin with hydroxyl groups and polyisocyanates.

它由含羟基的水性多元醇组分和含异氰酸酯基的多异氰酸酯组分组成。

In order to improve anticorrosive property of this kind of coatings, the technologies of soap-soap-free emulsion polymerization and core-shell emulsion polymerization were used in this paper, hydroxyl acrylate emulsion containing phosphate ester was synthesized, and water-dispersible polyisocyanate was prepared by Non-ion modified technology.

为了进一步提高其耐腐蚀性能，本文合成了含磷酸酯的羟基丙烯酸酯乳液，并通过非离子改性技术制备了可水分散的多异氰酸酯树脂。

Tha presence of a hydroxyl group, in addition to an olefinic linkage, in the predominating fatty acid of castor oil, gives this vegetable oll many unique and interesting properties.

在蓖麻油的主要成分脂肪酸中，除含有一个烯键外，羟基的存在使该植物油具育许多独特的性质。

Secondary organic aerosol ( SOA) is formed when atmospheric oxidants such as the hydroxyl radical ( OH), nitrate radical ( NO3), and ozone ( O3) react with volatile organic compounds ( VOCs) from both anthropogenic and biogenic sources to form numerous lower volatility organics.

羟基、硝酸自由基及臭氧等氧化剂与来源于人为排放的和生物排放的挥发性有机物反应可以产生大量的低挥发性有机物，从而生成二次有机气溶胶（SOA）。

Results showed that crude CSPS, CSPS-1, CSPS-2 and CSPS-3 had different superoxide radical scavenging activity, hydroxyl radical scavenging activity, reducing power, lipid peroxidation inhibition effect and ferrous ion chelating activity.

结果表明，Crude CSPS、CSPS-1、CSPS-2、CSPS-3均具有不同的超氧自由基清除能力、羟自由基清除能力、还原力、脂质过氧化抑制活性、金属离子螯合能力。

IR analysis shows that the product contains peptide bond, lactone bond, and aliphatic chain GC MS analysis indicates that hydrophobic moiety contains β methyl C 14 fatty acid and β hydroxyl C 18 fatty acid.

IR分析表明该物质含有肽键、内脂键及脂肪族侧链等官能团；GC-MS和PC分析表明，其疏水基半分子为β-甲基十四碳脂肪酸及β-羟基十八碳脂肪酸；