羧基

If you need moisturizing, choose an oil-free moisturizer that contains humectants such as glycerin, Na-PCA and hyaluronic acid, et cetera (see ingredients table in the feature article of cosmetics).

如果你需要保湿，可以选择含有甘油，羧基酸，透明质酸等湿润剂的无油产品。

Under the catalysis of ammonia, tetraethoxysilane hydrolysed and polymerized to form the silica nanoparticles.

将环己烷、正己醇和表面活性剂Triton X-100按一定体积比(12.3∶1.04∶1)混合均匀，形成清澈透明的溶液；将适量的四羧基铝酞菁溶解到浓氨水中，加入到上述混合溶液中，形成反向胶束。

In the paper, new type of polyurethane ionomers containing carboxyl in soft segments was synthesized with IPDI, DMBA, carboxylated polycaprolactone etc.

本文利用一种新型的聚己内酯、异佛尔酮二异氰酸酯、二羟甲基丁酸等合成了软段含有羧基的聚氨酯离聚体。

The special compound latex products are: carboxylic butyl latex, cement latex, pitch latex, high benzene latex, blanket latex, and white paper latex, etc.

淄博齐龙化工有限公司生产的特种合成胶乳主要有：羧基丁腈胶乳，水泥胶乳、沥青胶乳、高苯胶乳、地毯胶乳以及白版纸胶乳等。

The application of high functionalized SBR latex in the top layer of coated board was investigated.

研究了高功能化羧基丁苯胶乳在涂布白纸板面涂中的应用情况。

Spin-coating thin film has many aggregations and pinholes on its surface, TSPP LB films showed a relatively more flattened and condensed surface. The TSPP macrocycle lied vertical to the surface of the substrate, the long alkyl chains of the TSPP were not straight but lay on the substrate with a tilted angle about 52.3°.

在旋转涂得的薄膜上，TSPP分子以聚集体的形式分散分布，未聚集的TSPP分子形成的薄膜表面分布着大量针孔状的缺陷；LB膜表面平整均匀，TSPP分子的环平面紧密地排列在一起以羧基为支撑点垂直&站立&在基片平面上，分子侧链与基片平面成52.3°角排列。

It has many side chains with -COOH which is easier to form stable compound with some medicals and is an ideal biodegradable medical polymer.

它的分子链上具有较多的侧链羧基，易于和一些药物结合生成稳定的复合物，是一种理想的体内可生物降解的医药用高分子材料。

Meldrum is a carboxyl-phthalocyanine weak resistance agent, with the activity of this enzyme metal ion (Mg2 + Mg2 +) formed fairly stable chelate, and its derivatives benzene methyl malonic acid is a strong resistance agent.

丙二酸是一个羧基酞酶的弱阻化剂，它与这种酶的活性金属离子(镁离子Mg2+)形成相当稳定的螯合物，而它的衍生物苯甲基丙二酸则是一个强阻化剂。

The complexes were characterized by elemental analysis,UV,IR,TG,NMR and molar conductance measurements.Their formulas were in accordance with C34H32O8N2LnCl·nH2O or 〔(L4)2LnCl·nH2O,Ln=Nd,n=4;Ln=Pr,Yb,n=2;Ln=Sm,Eu,Dy,n=1〕.All the water molecules were uncoordinated.Dinuclear complexes were observed in the coordination environment.The coordination number of central ions was nine.

经元素分析、红外光谱、紫外光谱、核磁共振谱、质谱、摩尔电导、差热热重分析确证结构，其化学式为C34H32O8N2LnCl·nH2O，简写为：(L42LnCl·nH2O，Ln=Nd，n=4；Ln=Pr，Yb，n=2；Ln=Sm，Eu，Dy，n=1；该类配体是以酚氧原子、亚氨基的氮原子、桥联的羧基氧原子以及氯原子同稀土离子配位，形成了九配位的双核配合物。

In the third chapter, eight new complexes of 4, 6-dimethylpyrimidine 2-thioacetic acid with rare earth metals has been synthesized and characterized by means of elemental analysis, molar conductivity, IR,〓 NMR and TG-DTA. The general formula of the complexes is Ln〓(n=4 or 5). In the complexes, the deprotonated ligand coordinated to the rare earth metal ions in chelate bidentate mode. 4 or 5 molecular of crystal water existed in the complexes.

第三章合成了八种4，6-二甲基嘧啶-2-硫代乙酸的稀土配合物，通过元素分析、摩尔电导、红外光谱、核磁共振氢谱和热重-差热对配合物进行了表征，研究结果表明，配合物的组成为Ln〓n=4或5），在配合物中配体羧基脱去质子后采用螯合双齿的方式与稀土离子形成配位键，同时，配合物中含有4或5个结晶水。

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。