乙酯基

In this paper, a new kind of bonded organic/inorganic hybrid NLO materials containing P-Nitro aniline was synthesized through sol-gel process by using alkoxysilane dye containing P-Nitro aniline and tetraethylorthosilicate as reactants.

以含对硝基苯胺生色团的烷氧基硅烷染料和正硅酸乙酯为原料，通过溶胶-凝胶法合成了含对硝基苯胺生色团的键合型有机/无机复合非线性光学材料。

In this research, we used a sol-gel process to prepare UV-curable antiglare coatings. First the inorganic monomer tetraethoxylsilane was formed into colloidal silica by hydrolysis and condensation reactions. Then, added the couple agent 3- propyl methacrylate and surfactant fluoroalkylsilane (13F) to modify the colloidal silica. Finally, organic monomer dipentaerythritol hexaacrylate were added to form hybrid material.

中文摘要本研究是经由溶胶凝胶制程，将无机单体四乙氧基矽烷先行水解、缩合反应成为二氧化矽，接著分别加入偶合剂三异丙基矽基丙烯酸酯、氟化矽氧烷(13F)、对二氧化矽微粒进行表面改质；之后再导入交联剂DPHA加以强化合成出奈米混成涂料。

The varying tendencies of partition coefficients of some compounds in aqueous or nonaqueous solvent systems by calculating the phase equilibria with universal quasichemical functional group activity coefficient model are predicted. These compounds included saturated and unsaturated fatty acids ethyl esters,N2,4dinitrophenylamino alcohols, pnitrophenyl glucosides and so on, with simple structures and much differences in polarity.

以饱和及不饱和脂肪酸乙酯、2，4二硝基苯胺基脂肪醇和对硝基苯基葡萄糖甙等结构较为简单、极性差别较大的溶质系列为研究对象，应用修正的通用基团活度系数模型，通过相平衡计算，预测了它们在含水或不含水的溶剂体系中分配系数的变化趋势，并与前人的工作进行了对比。

Optimization of polyester condensation process and reactor design;2. The Structure Characters of the Sulfonated Condensation Polymer Series High Performance;3. The pH value of the solution was adjusted,and the co- condensation reaction was taken place between the hydroxy groups forming transparent organic-inorganic hybrid films on polycarbonate.

以甲基丙烯酰氧基丙基三甲氧基硅烷(KH-570)水解聚合产物作为主要成膜物质，引入正硅酸乙酯水解产物硅溶胶作为无机增强物，调节两种混合溶液pH值，利用两者羟基之间的共缩聚反应在聚碳酸酯板表面制备有机/无机复合透明耐磨薄膜；采用TG/DTA、FT-IR、SEM及UV-V IS对成膜过程、薄膜性能与结构进行表征。

In this article, different soft templates formed by sodium bis (2-ethylhexyl) sulf-osuccinate, nonyl phenol polyethyleneoxy ether (Oπ-10) and cetyltrimethyla- mmonium bromide were used to fabricate CaCO3, BaCO3 and CeO2/CuO nanoparticles with different morphology.

本文分别利用丁二酸二(2-乙基己基)酯磺酸钠、壬基-酚基-聚乙氧基醚（Op-10）和十六烷基三甲基溴化胺形成的不同软模板合成了具有不同形貌的CaCO3， BaCO3和CeO2/CuO纳米粒子。

Seven compounds have been isolated from hard coral Acropora pulchra. These compounds are:pentadecoic acid, heptadecyl ester;(2)n-cetanol;(3)batyl alcohol;(4) N- [ 1 --2-hydroxyl--3,7-heptad-ecadienal] -hexadecanamide;(5)1 -0-hexanoyl-glycerol ester;(6)thymine;(7)uracil. Their structures were determined by IR, MS, HNMR, 13CNMR analysis.

从北海佳丽鹿角珊瑚Acropora pulchra乙醇提取液的乙酸乙酯部分分离出七个化合物，经IR、MS、~1HNMR、~(13)CNMR等波谱方法鉴定，其结构分别为：(1)十五酸十七酯，(2)正十六碳醇，(3)鲨肝醇，(4)N-1-羟基甲基-2-羟基—-3，7-十七碳二烯基十六酸酰胺，(5)1-正十六酸甘油酯，(6)胸腺嘧啶，(7)尿嘧啶。

Based on hydrogen peroxide and ammonium persulfate as compounded initiating system,unsaturated vinyl monomers were used to directly copolymerize a new high range polycarboxylate water reducer structurized in carboxyl,esterquat and amido as main chain and in polyethylene glycol ether as side chain.

以过硫酸铵和双氧水为复合引发体系，采用不饱和单体直接共聚，得到一类主链为羧基、酯基、酰胺基，侧链为聚乙二醇醚基的新型聚羧酸高效减水剂，研究了共聚物的结构对分散性能的影响。

The title nano-sized polymeric microgels were synthesized by emulsion polymerization method,using divinyl benzene as crosslinking agent and methyl methacrylate,hydroxyl ethyl methacrylate,butyl acrylate as monomers.

通过乳液聚合的方法，以二乙烯基苯为交联剂，用甲基丙烯酸甲酯、甲基丙烯酸-β-羟乙酯、丙烯酸丁酯等丙烯酸酯类单体合成纳米尺寸的聚合物微凝胶粒子。

Acrylic resin containing N,N-dimethyl amino group and vinyl group applicable for UV-curable and cathodic electrophoretic paint was synthesized via radical polymerization of acrylic monomers followed by modification with methacrylic oxyethyl isocyanate.

通过自由基共聚合得到丙烯酸树脂，然后用甲基丙烯酸异氰酸乙酯对其改性，合成了既带有N，N-二甲胺基，又带有乙烯基的紫外光固化阴极电泳漆基体树脂。

Following resolution, the following steps are performed: reduce the isomer to an alcohol, react the alcohol with triphenylmethyl chloride, ozonalyze the resulting reaction product, reduce the ozonalyzed product to yield a diol and react the diol with a methane sulfonyl compound to form-3-2-{(methylsulfonyloxy}ethoxy-4--1-butanol methane sulfonate.

拆分后，进行下一步：将异构体还原为醇，使醇与三苯基甲基氯反应，臭氧化所得反应产物，还原臭氧化产物以得到一种二醇并使所述二醇与甲烷磺酰基化合物反应以形成-3-2-{(甲基磺酰基氧}乙氧基-4--1-丁醇甲烷磺酸酯。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。