查询词典 monomer

The analytic methods are also studied : the concentration of styrene monomer is analyzed by gas chromatography , and the molecular weight of polystyrene is analyzed by viscosimetry .

建立了为评定阻聚剂性能配套的快速分析方法--近红外分析方法，即在单剂和工业剂评定中预测苯乙烯含量和聚苯乙烯分子量的四个近红外分析模型。

These observations suggest that PVA-MEC is an excellent fluorescent macromolecular material with a convenient method of preparation and had a good water-soluble ability.(2) An acrylic monomer bearing xanthene group, acryloyl-fluorescein was synthesized from fluorescein and acryloyl chloride. The photophysical behaviors of Ac-Flu and its copolymer were explored by recording the fluorescence spectra in solution, solid state and film in detail.

2我们采用基于荧光功能单体制备荧光聚合物的方法，选择荧光素为发色团，使它与丙烯酰氯反应，合成出含有双键的荧光素单体Ac-Flu，然后令其与丙烯酰胺共聚，制备得到含有荧光素生色团的水溶性荧光聚合物poly(Ac-Flu-co-AM)。

Through physical analysis of crude oil in Suizhong 36-1 Oilfield, initial selection is made on polymer viscosity reducing agent monomer accordantly and a series of viscosity reducing agents are synthesized, through result selection and research of all the synthesized viscosity reducing agents.

通过对绥中 3 6 1油田原油物性的分析，有针对性地对聚合物降粘剂单体进行了初选，继而合成了一系列聚合物降粘剂。

N-phenyl maleimide,1-Phenyl-1H-pyrrole-2,5-dione,N-phenylmaleic imide、Maleimidobenzene is abbreviated NPMI or N-PMI,pale-yellow aciform crystals.The melting point is 88～92℃.NPMI is a kind of heat resisting organic monomer,and can increase material thermostability by raising intemal rotation resistance of macromolecular,using its special molecular struture.

N-苯基马来酰亚胺俗称&单马&，英文名称为；N-phenyl maleimide、1-Phenyl-1H-pyrrole-2，5-dione、N-phenylmaleic imide、Maleimidobenzene，英文缩写NPMI，淡黄色片状晶体，熔点为88～92℃，是近年发展起来的一种耐热有机单体，由于它具有五元环状平面结构，嵌入高分子链中可增加链的内旋阻力，从而提高材料的耐热性。

Commun.2006, 2795. The researchers used the monomer, N –acryl pamidronate, to synthesize poly. This polymer should effectively raise the local concentration of the drug in the body and therefore maximize its therapeutic effect, they say.

研究人员用 N –acryl pamidronate的单体来合成pamidronate的聚合物，作者陈述这种聚合物应该能有效的提升药物在身体的局部浓度因此而能将治疗的效果最大化。

Taking acryl amide, dimethyldiallyl ammonium chloride, acrylic acid as the monomer, amphoteric polyacrylamide was prepared by solution copolymetization. The effect of reaction conditions on the molecular weight and flocculation performance of AMPAM was studied.

以丙烯酰胺、二甲基二烯丙基氯化铵、丙烯酸为单体，用溶液共聚法制备两性聚丙烯酰胺，研究了反应条件对两性聚丙烯酰胺分子量及絮凝性能的影响。

At the temperature as low as that at which the monomer cannot diffuse in large scale,adatom nucleation and island formation depends on the increase of adatom density.With the increase of temperature,the film growth mode depends on the competition between in-plane diffusion and inter-layer diffusion of monomers.

当薄膜生长温度低于单原子的扩散温度时，表面原子的成核和表面岛的生长主要是由沉积原子的空间随机性和表面原子密度增加而决定的，随着薄膜生长温度的提高，薄膜的生长模式则取决于单原子的层内扩散和层间扩散的竞争。

Neuroglobin, a recently identified monomer globin in nerve system, is highly affinitive with oxygen similar to myoglobin. After the coding region of rat NGB gene was sub cloned into the prokaryotic expression vector pGEX 4T 2, the recombinant vector was introduced into E. coli BL21 (DE3) cells for efficient expression.

氧是人类及许多生物赖以生存的重要条件，严重缺氧和低氧可危及人体生命。2 0 0 0年 9月，德国Burmester等人首次报道了人和小鼠脑内存在特异的功能上类似于肌红蛋白的携氧蛋白———脑红蛋白(neuroglobin ，NGB) [1 ] 。

The results show that the addition of triamine monomer has no obvious influences on chemical structures and aggregative states of polyimide precursors and the imidized products.

结果表明，三胺单体的加入对聚酰亚胺前体及其泡沫的化学结构和聚集态结构没有明显的影响。

The monomer reactivity ratios of lactides weredetermined with 〓 as catalyst or bimetallic μ-oxo alkoxide as initiator.

在辛酸亚锡和双金属烷氧化合物引发体系中，分别测定了交酯类单体的竞聚率。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新