查询词典 acrylic

The amido of Chitosan and thecarboxyl of acrylic acid made Chitosan-acrylic acid hydrogel pH-sensitive andion-sensitive.

壳聚糖的氨基，聚丙烯酸的羧基，使得壳聚糖-丙烯酸水凝胶具有pH和离子敏感性。

Epoxy acrylic resin and epoxy monoacrylate resin were synthesized from biphenol A epoxy resin and acrylic acid , then a new UV-curing resin was synthesized through the reaction of them and maleic anhydride.

本文先采用双酚A环氧树脂和丙烯酸合成了环氧丙烯酸酯和环氧单丙烯酸酯，再以它们和顺酐作为反应的原料，进行反应最终合成了一种新型UV固化树脂。

The sodium sulphonate of ethoxylated acrylic modified rosin can be obtained from acrylic modified rosin after the reaction with ethylene oxide and then be sulphonated with chlorosulphonic acid.

以松香为原料，用丙烯酸进行改性后再与环氧乙烷聚合，然后用氯磺酸进行磺化处理制得丙烯酸改性松香聚氧乙烯醚磺酸钠阴离子表面活性剂。

Acid--aldehyde polymer tanning agent P (acrylic acid-crotonaldehyde was copolymerizaed from acrylic acid and crotonaldehyde in water and its structure was characterized by IR,〓C-NMR and DSC.

以丙烯酸、丁烯醛为共聚单体，采用水溶液共聚法，合成了含醛、酸基团高分子鞣剂----丙烯酸-丁烯醛共聚物，并利用IR光谱、〓C-NMR及DSC对其结构进行了确认和表征。

He best reaction conditions of TMAA were as follows: p-benzenediol as the polymerization inhibitor and the amount 1% of acrylic acid, reaction temperature 180 ℃,reaction time 3 h, raw material mass ratio of methyl eleostearate /acrylic acid 1:0.247 and the yield of TMAA was 85%.

MAA的最佳合成条件为：反应温度180℃，反应时间3 h，桐酸甲酯和丙烯酸的质量比为1：0.247，阻聚剂对苯二酚的加入量为丙烯酸质量的1%，产率为85%。

In order to research the influence of polyaniline on acrylic anticorrosive coating, the polyaniline/acrylic anticorrosive coating that the mass rate of emeraldine base form of polyaniline in coating was 0%, 1.5%, 3%, 5%, 10% were prepared, and theirs anticorrosive performance in 3.5% NaCl solution was studied by Tafel and EIS.

为了研究本征态聚苯胺对丙烯酸涂层防腐性能的影响，制备了本征态聚苯胺质量分数分别为0%，1%，3%，5%及10%的聚苯胺／丙烯酸防腐涂层，应用Tafel极化曲线和电化学阻抗谱方法对比了其在3.5% NaCl溶液中的防腐性能。

Acrylic acid and ester mainly is acrylic acid, methyl acrylate, ethyl acrylate, butyl acrylate, isobutyl acrylate, etc.

丙烯酸及酯主要是指丙烯酸、丙烯酸甲酯、乙酯、丁酯、异辛酯等。

In this paper, the copolymers of acrylic acid/acrylamide, isopropenyl phosphonic acid/acrylamide were prepared with peroxide as initiator, water as solvent, acrylic acid, isopropeneyl phoshonic and acid acryl amide as monomers.

以水为溶剂，过硫酸铵为引发剂，丙烯酸、异丙烯膦酸、丙烯酰胺为单体，分别合成了低分子质量的丙烯酸/丙烯酰胺、异丙烯膦酸/丙烯酰胺二元共聚物，以及不同配比的丙烯酸/异丙烯膦酸/丙烯酰胺三元共聚物。

And 2-10% acrylic acid, meth acrylic acid, or itaconic acid, or their mixts.

2-10%的丙烯酸、甲基丙烯酸或衣康酸或它们的混合物。

The first synthetic route uses 1,2,4-trimethoxybenzene and chloroacetonitrile in forming 2,4,5-trimethoxy-a-chlor-acetophenone under the anhydrous condition, then the intermediate condensates with papaverine forming the core pyrro[2,l-a]isoquinoline, followed by formation and lactonization to form the lactone ring. The second synthetic route uses prepared aldehyde with prepared ethyl nitroacetate by Knoevenagel condensation to obtain 2-Nitro-3-(2,4,5-tris-methoxy-phenyl)-acrylic acid ethyl ester and 2-Nitro-3-(2,4,5-tris-benzyloxy -phenyl)-acrylic acid ethyl ester etal intermediates. The lamellarin skeleton could arise from condensation of the papaverine and these intermediates by Michael reaction, the ester group is provided for subsequent lactonization. The third synthetic route uses coumarin or indan-l,3-dione derivatives and papaverine to form lamellarin under basic conditions.

第一条路线首先从1，2，4-三甲氧基苯出发与卤乙腈作用合成卤代芳酮中间体，然后与罂粟碱反应合成开链片螺素，最后经乙酰化、去保护、成内酯环得到片螺素；第二条路线由制备的芳醛和制备的硝基乙酸乙酯经缩合得到2-硝基-3-芳基丙烯酸乙酯，然后由该中间体与罂粟碱反应，在完成关环的同时也引入酯基，最后去保护、成内酯环得到片螺素；第三条路线是由香豆素或茚二酮出发，经溴代后的中间体与罂粟碱反应，得到片螺素的基本框架。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。