单体

It was found that ARA was composed of esterification products of (2-HEA)-ester with pimaric acid, dehydroabietic acid, abietic acid and two isomers of acrylpimaric acid. ARA is a good crosslinking agent which can copolymerize with most vinyl monomers. The properties of solvent-resistance and heat resistance of the copolymer were improved considerably by the use of ARA.

实验结果表明：ARA主要由海松酸、脱氢枞酸、枞酸和丙烯海松酸的二种异构体的丙烯酸－2-羟基乙基酯的酯化产物组成，ARA是一种良好的交联剂，可与大多数乙烯基单体共聚合，其与MMA的共聚物的耐溶剂性和耐热性均得到了较大幅度的提高。

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。

The molded character, which is made of Acryl, has below outstanding characters

浇铸字采用液态亚克力单体原料整体浇铸而成，具有以下突出特点

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。

The best grafting conditions of bamboo fiber which grafted by acroleic acid and acryl amide in HNO_3 dilute solution system by planing.

用正交法探讨了竹纤维在HNO3稀溶液体系中以丙烯酸和丙烯酰胺单体接枝共聚反应的最佳条件，结果表明，当引发剂硝酸铈铵浓度为20mmol。

Such a process is particularly useful in the production of difunctional monomers and intermediates in the synthesis of adipic acid.

这样一种方法对于制备双官能单体和合成己二酸的中间体特别有用。

Taking Bulianta aeolia desert area of Shengfu-Dongsheng coal filed as an example, the subsidence intensity of T2004 and T2005 subsided area, regional aeolian corrosive accumulation and corrosive intensity are studied in comparison with non-subsided area, as well as the single sand dune under the vegetation cover of 10% and different subsidence intensity, the correlation analysis is made about the subsidence intensity and regional aeolian corrosive accumulation.

以神府－东胜煤田补连塔矿风沙区为例，通过野外系统观测，以非塌陷区为对照研究了不同塌陷年限T2004年塌陷区和T2005年塌陷区塌陷强度、区域风沙蚀积量和蚀积强度变化，分析了不同塌陷强度的单体沙丘在植被盖度约为10%时，塌陷强度与区域风沙蚀积量的相关关系。

However, the unique exception isthat PHB is able to be aerobically degraded to carbon dioxide and water by a numberof different soil-bacteria and fungi. As a result, PHB has gained much attention in theplastic industry. 3-Hydroxybutyrac acid and ethyl 3-hydroxybutyrate are the mainmonomers for producing PHB, an important biodegradable plastic.

这主要原因是PHB不但具有与通用塑料类似的物理性质，而且它还可被土壤中的细菌和真菌降解为二氧化碳和水。3-羟基丁酸和3-羟基丁酸乙酯是合成PHB的主要单体，目前尚未工业化生产。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐