丙烯酸

A novel radical polymerization, polymerization of Methyl methacrylate in the copper alginate complex membrane-HSO_3-H_2O system was studied.

本文研究新的聚合反应体系，甲基丙烯酸甲酯在褐藻酸铜络合物膜-HSO_3~--水体系中的聚合反应。

Polymerization of Methyl methacrylate initiated by Na2SO3/H2O system is investigated, and the factors that influence polymerization rate and molecular weight are also discussed.

实现了亚硫酸钠水溶液可以引发甲基丙烯酸甲酯的聚合，并进一步研究了各种因素对聚合速率和聚合物分子量的影响。

Methyl methacrylate is a monomer that is used to polymerize the organic glass and the MBS resin.

甲基丙烯酸甲酯是合成有机玻璃及MBS树脂的单体。

In this paper, ultrasonic irradiation was employed to initiate the emulsion and microemulsion polymerization of methyl methacrylate and preparation of composites with some inorganic nanoparticles.

本文采用超声辐照新技术实现了甲基丙烯酸甲酯的乳液聚合、微乳液聚合以及与无机纳米粒子的纳米复合，得到了具有特殊结构与性能的新材料。

The grafted copolymer s of methyl methacrylate and CPE as the compotilizer of the PVC/CPE blends are discussed.

讨论了甲基丙烯酸甲酯与CPE的接枝共聚物体系对PVC－CPE体系的增容作用。

The core-shell microstructure through in-situ polymerization with calcium sulphate as core and with methyl methacrylate as shell was prepared.

采用界面原位聚合方法，制备以硫酸钙(CaSO4)粒子为核，甲基丙烯酸甲酯为壳的核壳结构。

In this thesis, 1, 5-diaryl-3-pyrazilidinones, 1, 5-diaryl-3-hydroxypyrazoles and 3-(2, 3, 4, 6-tetraacetyl-β-D-glucopyranos-1-yl)-1, 5-diaryl-1H-pyrazoles are designed and synthesized.1, 5-diaryl-3-pyrzolidinones were obtained by condensation of 3-arylpropenates and phenylhydrazine or fluorophenylhydrazine under the catalysis of sodium methylate and the yields were about 55-80%.

在本文中，设计合成了1，5-二芳基-3-吡唑烷酮化合物、1，5-二芳基-3-吡唑烷酮化合物和3-(2，3，4，6-四乙酰基-β-D-吡喃葡萄糖-1-基)-1，5-二芳基吡唑化合物。以3-芳基-2-丙烯酸酯为原料，与芳基肼在醇钠的催化作用下，反应可以生成1，5-二芳基-3-吡唑烷酮，产率在55%以上。

The synthesis path of 2-phosphono-butane-1,2,4-tricarboxylic acid is studied by using alkyl phosphate,butendioic acid dialklesters and methyl acrylate with the catalyst of sodium methylate.

论文摘要本文以亚磷酸二甲酯，顺丁烯二酸二甲酯，丙烯酸甲酯为原料，甲醇钠为催化剂，合成了 2-膦酸丁烷-1，2，4-三羧酸并对中间物及产物进行了 IR、13C，31P 核磁，MS 表征。

OBJECTIVE: To explore mechanical property difference in the different mixing ratio of PMMA.

目的：探讨不同混合比例聚甲基丙烯酸甲酯的力学性能差异。

In this paper, the use of polyacrylates as ABS surface modifier before electroless nickel plating was studied.

探讨了一种以丙烯酸共聚物的溶液作为高分子材料表面改性方法的可行性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。