丙烯酰

A salt or ester of carbamic acid, especially one used as an insecticide.

丙烯酰胺、甲代烯丙基磺酸钠等为原料，采用溶液聚合法合成出兼含膦酰基和磺酸基的四元聚合阻垢剂PMAAS，。。。

Copolymerize methacrylic acid 3(4′-N,N-dimethylamino) ketone xanthate and acrylamide were copolymerized with N,N-methylene bisacrylamide,and then combined with silane ethylene group in the form of covalent bond on the quartz glass shee t to be made into a sensor,to determine ethanol.

将甲基丙烯酸3-(4′-N，N-二甲氨基)黄酮酯和丙烯酰胺、N，N′-亚甲基双丙烯酰胺共聚并共价键合在硅烷化的含乙烯基团的石英玻片上，制成了可测定乙醇的传感器。

The polymerization reacts from the inverse emulsion . Selecting white oil as continuous medium , Span60 and TX-10 as the complex emulsifier , AM-01﹑(NH4)2S2O4 and NaHSO3 as new-type complex initiator , the copolymerization of dimethylamino ethyl acrylate methyl chloride/acrylamide was developed . The effects of the concentration of monomer﹑emulsifier and initiator﹑ temperature﹑reaction time and pH on the molecular weight﹑intrinsic viscostity﹑conversion ratio and cation degree of copolymer were studied .

以反相乳液为初始聚合体系，油酸失水山梨醇酯Span60和辛基酚聚氧乙烯醚TX-10构成复配乳化剂，白油为连续介质，AM-01、过硫酸铵和亚硫酸氢钠组成新型复合引发体系，进行丙烯酰胺/（2-甲基丙烯酰氧乙基）三甲基氯化铵的反相准微乳液共聚合，研究了单体浓度、乳化剂、反应温度、反应时间、pH等因素对聚合产品分子量、特性粘数、转化率及阳离子度的影响。

Firstly, Copolymerization of acrylamide and styrene was carried out in a microemulsion system, in which AM aqueous solution was the continue phase and St was the dispersed phase using ST-80 as surfactants respectively, then hydroxamic functions were prepared with hydroxylamine salt at temperatures of from 60℃ to 90℃.

首先以丙烯酰胺水溶液为连续相，以苯乙烯为分散相，ST-80为乳化剂制成微乳液，在15℃~35℃合成丙烯酰胺与苯乙烯的共聚物；然后采用程序控温方式，在60℃~90℃用硫酸羟胺将共聚物羟肟化合成了一种带有苯环结构的嵌段型氧肟酸类聚合物材料。

At 15-35℃, copolymerization of acrylamide and styene was carried out in a microemulsion system, in which AM aqueous solution was the continuous phase and St was the dispersed phase using ST-80 as surfactants, respectively. Hydroxamic functions were prepared with hydroxylamine salt at temperatures from 60℃ to 90℃.

以丙烯酰胺水溶液为连续相，苯乙烯为分散相，ST-80为乳化剂制成微乳液，在15~35℃下合成丙烯酰胺与苯乙烯的共聚物，采用程序控温方式，在60~90℃下使用硫酸羟胺将共聚物羟肟化得到产物。

The graft copolymerization of acryalmide and methyl acrylacyl oxyethyl trimethyl ammonium chloride onto chitosan under microwave radiation was studied. The effect of synthesis conditions on graft ratio and graft efficiency, on the strengthening efficacy of the product for wheat straw pulp was studied.

摘 要：研究了用微波辐射的方法进行壳聚糖和丙烯酰胺及甲基丙烯酰氧乙基三甲基氯化铵的接枝共聚反应，讨论了反应条件与产物的接枝效果对麦草浆的增强作用的影响。

The analysis results of FTIR , SEM, X-ray Diffraction and TG-DSC proved that,the existence of graft copolymerization between cassava starch and acrylamide was occured;the structures of cassava were destroyed during the copolymerizing; the structures of the copolymer were largely amorphous; within the range of 700℃,the thermal degradation process of the St-g-PAM was divided into three-steps, which was more complex than that of cassava.

FTIR、SEM、X射线衍射、TG-DSC分析结果表明木薯淀粉与丙烯酰胺已发生接枝共聚反应；木薯淀粉在接枝共聚反应中，结构被破坏，接枝共聚物的结构基本上为无定型结构；在700℃温度范围内，木薯淀粉丙烯酰胺接枝共聚物的热降解为三步降解历程，比木薯淀粉复杂。

A novel polymeric organic thermal stabilizer for PVC was designed and synthesized by acryloylthiourea grafting on polystyrene which was nitrified by HNO3 and then reducted by Sn powder to amine.

以经部分硝化和还原的低分子量聚苯乙烯为母链，利用其胺基和丙烯酰基异硫氰酸酯加成，合成了一种新型有机高分子型PVC 热稳定剂——丙烯酰基硫脲接枝聚苯乙烯，其结构经IR和元素分析表征。

The content of acrylamide is higher in the following foods: the monitoring result by Food Contaminants M onitoring Net of our country shows that the content of acrylamide is higher in French fries, barley tea, instant coffee, corn tea, cereal fried food, cereal roasted food.

以下食品丙烯酰胺含量较高：我国食品污染物监测网监测结果显示，油炸薯类、大麦茶、速溶咖啡、玉米茶、谷类油炸食品、谷类烘烤食品中丙烯酰胺含量较高。

The results suggested that the reaction temperature, the ratio of oil to water, the amount of ethyl cellulose as dispersant, initial monomers composition, the drop manner and the amount of initiator, the stirring speed, the pH of the buffer and the elution process have great influence on the morphology such as diameter of the hydrogel beads.

研究结果表明，采用反相悬浮聚合法，以丙烯酰胺和N-乙烯基吡咯烷酮为共聚单体，N，N'-亚甲基双丙烯酰胺为交联剂，牛血清白蛋白为模板，可以制备BSA印迹共聚物微球；反应温度、水油比、乙基纤维素分散剂用量、初始共聚单体配比、引发剂用量和加入方式、搅拌速度、水相pH值以及后续洗脱条件等均对粒径等微球结构和形态产生明显影响。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。