丙烯酸

In leaf tissue of Arabidopsis, the most abundant hydroxycinnamic acidphenolics are sinapate esters, and the most abundant flavonoids are kaempferol derivatives.

拟南芥药用成分主要有酚类化合物，即羟基苯丙烯酸酚类化合物的芥子酸酯，黄酮类化合物的4，5，7-三羟基黄酮衍生物，芥子酸酯与这种黄酮类化合物具有优良的减少紫外线危害和抗氧化作用。

A novel polymer of Poly(diglycidyl maleate-co-stearyl methacrylate) was synthesized and its structure was characterized by ~1H NMR. Its self-assembly behavior was studied in different solvents. It was found that vesicles and tubule-liked aggregates can be obtained through self-assembly of P(DGMA-co-SMA)/THF/EtOH system. And spheral aggregates were obtained in P(DGMA-co-SMA)/THF/H_2O system while the spheral aggregates were converted into rod-liked aggregates and line-liked aggregates after aged for different time.

合成了带含环氧基侧链和十八烷基侧链的聚(马来酸二缩水甘油酯-co-甲基丙烯酸十八酯)，用~1H NMR对所得的共聚物进行了表征；研究了其在选择性溶剂中的自组装行为，发现P(DGMA-co-SMA)／THF／EtOH体系可以通过自组装形成囊泡形自组装体和支化的管状自组装体，P(DGMA-co-SMA)／THF／H_2O体系最初自组装形成球形自组装体，随着陈化时间的延长，球形自组装体逐渐融合成长条形自组装体和线形自组装体；探讨了自组装过程的机理，建立了可能的自组装过程模型。

Stannic chloride was selected as the proper catalyst, and phosphoric acid as the co-catalyst.

采用丙烯酸亲水化改性聚砜中空纤维超滤膜。

Dendrimers with stearyl groups on the periphery are synthesized by amidation using dendrihmers with NH2 on the periphery and stearyl chloride as raw materials.

以乙二胺和丙烯酸甲酯为原料，甲醇为溶剂，通过Michael加成及酰胺化反应，合成端基为胺基的树枝状大分子。

The coated gloss right from the start of the resin natural resins, to nitrocellulose, styryl, chloroethylene, polyamic, sour, polyurethane, acrylic resin, a wide variety of resin application ever.

涂布光油所用的树脂从一开始的天然树脂，到硝化棉、苯乙烯、氯乙烯、聚酰胺、酸、聚氨酯、丙烯酸树脂等，各种各样的树脂都得到了应用。

Two new active esters of acrylic acids monomers, N-p-acryloxybenzoyloxy succini-mide and N-p-methacryloxybenzoyloxy succinimide have been synthesized and polymerized.ABOSu and MBOSu were prepared by coupling of p-acryloxybenzoic acid or p-methacryloxybenzoie acid with N-hydroxy succinimide in the presence of dicyclohexylcarbodimide.

新的丙烯酸活性酯，N-(对甲基丙烯酰氧苯甲酰氧基)丁二酰亚胺及N-丁二酰亚胺单体分别由对甲基丙烯酰氧基苯甲酸、对丙烯酰氧基苯甲酸与N-羟基丁二酰亚胺在环已基羰二亚胺存在下经偶联反应合成。

Influences of initiator,sulphonate,acrylic acid and diethylmaleate on fluidity of cement paste were studied in detailsAddition of diethyl maleate helped to reduce slump loss.

详细研究了引发剂、磺酸盐、丙烯酸和马来酸二乙酯等因素对净浆流动度的影响；马来酸二乙酯的加入，减小了流动度损失。

Sodium allyl hydroxyalkyl sulphonate was used as reactive surfactant to modify the polymerization ofelastic acrylic emulsion. Influence of SAHS on minimum content of surfactants and particle size of emulsion was studied andmechanism of change of particle size discussed.

使用烯丙基羟烷基磺酸钠作为可聚合乳化剂，改性合成了弹性丙烯酸酯乳液，研究了它对乳化剂的最低用量和乳胶粒粒径的影响，探讨了乳胶粒粒径变化的机理。

Both of adsorption of VB〓 on sulphonic resin in Zn〓form from ethanol and caffeine on sulphonic resin in Cu〓 form from ethyl acetate is considerable, with saturation adsorption capacity 60 and 76mg/g respectively.

磺酸锌型树脂对乙醇中VB〓、磺酸铜型树脂对乙酸乙脂中咖啡因和丙烯酸铁型树脂对甲醇中的鞣酸均具较好的吸附性能，其静态饱和吸附量分别为60、76和34mg/g。

Graft copolymerization of acrylic acid and acrylic amide onto chlorinated polyethylene by the oil-swellable suspension graft copolymerization technique was studied, benzoyl peroxide was used as the free radical initiator and ethyl acetate as the sweller.

采用溶胀悬浮接枝共聚法，将水溶性单体丙烯酸、丙烯酰胺接枝到疏水性氯化聚乙烯大分子链上，合成双亲性接枝共聚物。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。