查询词典 methacrylic acid

Methacrylic acid is one of important material in organic synthesis.

甲基丙烯酸是十分重要的有机化工原料。

This paper introduced several synthetic routes of methacrylic acid polyoxyethylene ester,reviewing their advantages and disadvantages.

介绍了甲基丙烯酸聚氧乙烯酯的几种合成工艺路线，并对各种工艺路线的优缺点进行了评述。

Methacrylic acid and acrylamide as the functional monomer have been evaluated.

比较了甲基丙烯酸和丙烯酰胺作为功能单体对普鲁卡因胺分子印迹聚合物分子识别能力的影响。

A resin derived from methacrylic acid .an enzymatic process in cell metabolism that synthesizes ATP from ADP.

在细胞的新陈代谢中一种由二磷酸腺苷合成三磷酸腺苷的酶促过程。

The polymer was prepared by copolymerizing vinyl sulfonate, methyl methacrylate and methacrylic acid in different proportions.

三元树脂由乙烯基磺酸酯、基丙烯酸甲酯甲基丙烯酸不同的配比共聚而成。

The addition of functional monomer methacrylic acid was beneficial to the polymerization stability.

加入功能性单体甲基丙烯酸和丙烯酸都能使聚合反应的稳定性增强，随着MAA用量的增加，聚合反应稳定性呈先增强后下降的趋势。

A resin derived from methacrylic acid .

胆汁中的一种不可溶的晶状酸。

Utilization of carbon dioxide and propylene as starting material for direct synthesis of methacrylic acid has an attractive alternative to organic synthesis, environmental protect and utilization of carbon.

以CO_2和丙烯为原料直接合成甲基丙烯酸，在合成化学、碳资源利用和环境保护等方面均有重大意义。

The results indicated that at the inhibitor dosage of 0.4%, mole ratio of methacrylic acid to MPEG of 1.5:1 and reaction temperature of 120 ℃, the yield of MPEGMA could reach 92.3%.

结果表明：阻聚剂质量分数为0.4%、酸醇摩尔比为1.5：1、反应温度为120℃时，酯化率可达到92.3%。

Low molecular copolymers of stearyl methacrylate and methacrylic acid were used as stablizer for reverse phase emulsion polymerization.

采用具有增稠和抗电解质作用的丙烯酸聚氧乙烯酯活性单体和具有聚合稳定作用的高分子表面活性剂，通过反相乳液聚合法合成了涂料印花用丙烯酸系增稠剂。

Now, however, all children continue in "comprehensive" schools, and the eleven-plus determines which courses of study the child will follow.

然而现在，所有的孩子都要在综合学校继续学习，所以这次考试只是决定他们将要学习哪些课程。

Cultivatable land , and led to a general recognition that development must not be carried at the cost of agriculture .

城区的迅速扩大在很多情况下侵占了宝贵的可耕地，使人们普遍认识到发展不能以牺牲农业为代价。