查询词典 moiety

These experiments suggest that the aromatic moiety on the side chain of the ligands may partially intercalate into the base pairs of DNA.

说明这三个配合物是以配体支链上的芳香环平面部分地插入到相邻碱基对之间与DNA结合的。

The two signals with chemical shifts of 0.82 and 0.86 ppm were assigned as the methyl groups of either a leucine or an isoleucine moiety.

最大的区别是两组甲基组的信号。

Co2+,Mn2+ and Pb2+ ions performed headgroup configurational changeof keto→zwitterion→enol form and coordination to Schiff base moiety in LB films ismore difficult and it is more easy that Ni2+ ion coordinate to SBC18 in LB film bypenetrating to LB films.

FTIR透射光谱和UV-vis电子吸收光谱进一步证实了π-A等温线的宏观结果，即两组分间的吸引主要来源于头基间的相互租用，为以后研究混合膜的性质和功能提供了一定的依据。2。

However clinical use of these antibiotics has been compromised by bacterial β-lactamase which hydrolyze the β-lactam moiety of resistance to them.

但细菌对这类抗生素耐药性日益发展，严重影响其疗效，已成为当前临床面临的必需解决的问题。

This invention provides compounds of Formula; wherein: R is a moiety selected from the group: and n is an integer of 1 or 2; R is selected from hydrogen, amino,-NRR, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, alkynyl of 2 to 12 carbon atoms optionally substituted, halogen, and a 5 to 10 membered heteroaryl ring optionally substituted, having 1 to 4 heteroatoms independently selected from N, O and S; R is selected from hydrogen, alkyl of 1 to 12 carbon atoms optionally substituted, aryl of 6, 10 or 14 carbon atoms optionally substituted, alkenyl of 2 to 12 carbon atoms optionally substituted, vinyl, alkynyl of 2 to 12 carbon atoms optionally substituted and halogen; R is H, alkyl of 1 to 12 carbon atoms optionally substituted, cycloalkyl of 3 to 8 carbon atoms, bicycloalkyl of 5 to 10 carbon atoms or aralkyl optionally substituted; R is OH or -OH; R and R are each independently H or alkyl of 1 to 12 carbon atoms or when optionally taken together with the nitrogen atom to which each is attached form a 3 to 8 membered saturated heterocyclyl ring; R is alkyl of 1 to 12 carbon atoms optionally substituted; or a tautomer or pharmaceutically acceptable salts thereof.

本发明提供式的化合物；其中：R 1 为选自基团和的部分；n为整数1或2；R 2 选自氢、氨基、-NR 6 R 7 、具有1到12个碳原子的视情况经取代的烷基、具有6个、10个或14个碳原子的视情况经取代的芳基、具有2到12个碳原子的视情况经取代的烯基、具有2到12个碳原子的视情况经取代的炔基、卤素和具有1到4个独立地选自N、O和S的杂原子的视情况经取代的5元到10元杂芳基环；R 3 选自氢、具有1到12个碳原子的视情况经取代的烷基、具有6个、10个或14个碳原子的视情况经取代的芳基、具有2到12个碳原子的视情况经取代的烯基、乙烯基、具有2到12个碳原子的视情况经取代的炔基和卤素；R 4 为H、具有1到12个碳原子的视情况经取代的烷基、具有3到8个碳原子的环烷基、具有5到10个碳原子的双环烷基或视情况经取代的芳烷基；R 5 为OH或-OH 8 ；R 6 和R 7 各自独立地为H或具有1到12个碳原子的烷基，或当视情况与其所连接的氮原子连接在一起时形成3元到8元饱和杂环基环；R 8 为具有1到12个碳原子的视情况经取代的烷基；或其互变异构体或医药学上可接受的盐。

The development moiety which is released upon heating is usually a mercaptan.

经加热释放出的显影抑制剂的部分通常是硫醇。

In this step also the acid moiety was methylated to give the ester.

在这一步，也是酸基元是甲基给予酯。

Only a small moiety of...

仅仅一小部分

But in vitro it didn't show some t relationship between moiety and effect.

体外清除自由基的能力没有表现出构效性。

Therefore, studies and applications of the ring-opening reaction of 1, 3-dithiolancycolpentyl moiety should be a valuable research project.

因此，α-羰基环二硫缩烯酮的1， 3-二硫戊环的开环反应及其在合成中的应用研究是一重要的研究课题。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。