单体

For lactic acid has one asymmetric carbon atom, the mechanical, physical and biological properties of PLA are related to the stereochemistry of lactic acids.

合成聚乳酸的初始物质―乳酸是有手性的分子，使得聚乳酸的机械和物理性能以及生物学性质与乳酸单体的立体异构性有关。

Based on the study of geological background conditions and the factors inducing the failure of dangerous rocks, this paper explains the distribution and morphological characteristics of dangerous rocks in Fengcheng town, provides the classification of the failure modes of the dangerous rocks in this area, and analyses the stabilities of six representative monomers of dangerous rocks qualitatively by stereographic projection method and quantitatively by limit equilibrium method.

文章在研究凤城危岩所处区域的地质背景条件及危岩失稳的诱发因素基础上，分析了凤城镇危岩体的分布规律及形态特征，根据破坏模式的不同对该区危岩进行了类型划分，采用赤平投影法与极限平衡法对该区6个代表性危岩单体的稳定状况进行定性与定量分析评价，经分析判断其均处于欠稳定或不稳定状态，需进行工程治理。

Oligostilbenes are a type of compounds with complex structures and multi-faced bioactivities, polymerized from stilbene monomers.

二苯乙烯类低聚体是由二苯乙烯单体以不同方式聚合而成的一类结构复杂，具有多种生物活性的化合物。

Two stilbene derivatives, 1-(4-methoxystyryl)-4-vinylbenzene and 1-(4-vinylstyryl)naphthalene, were synthesized.

2将ATRP的端基功能化和单体功能化相结合制备具有蓝绿双色荧光聚合物材料。

The numerical predictions were compared with experiment results using a mono-hull NPL ship, as well as theoretical results by the strip method.

对 NPL 系列单体船型的运动性能作了理论预报，并与实验结果和用切片法的理论预报结果作了比较。

Poly (N-isopropylacrylamide) macromonomer with a styrol end group was prepared by free radical polymerization of NIPAAm.

用链转移自由基聚合和端基置换反应，合成了聚N-异丙基丙烯酰胺热敏性大分子单体。

Heat shock protein 22 (HSP22) is a member of small HSP subfamily.

热休克蛋白22(HSP22)是唯一在体外能以单体形式存在的小分子热休克蛋白，具有分子伴侣功能和激酶活性。

In this study, we tested the possibility of applying this approach for human complex I ND4L subunit.

在本篇的研究中，我们测试了应用这个方式於人类第一蛋白质复合体ND4L次单体蛋白质的可能性。

Lastly, Adsorption isotherms ,adsorption static adsorption ability of MIPs for Sulfamethazine and Sulfisoxazole were measured by Ultraviolet absorptionmeasure technology. Polymer properties, which were influenced by different functional monomer, were investigated by static adsorption experiments.

最后，利用紫外吸收测量技术研究聚合物的等温吸附、静态吸附性能和选择性能，系统地研究了不同的模板分子、不同功能单体及不同的合成方法对聚合物分子识别能力。

Three methods are used to prepare molecular imprinted polymers,which include conventional bulk technique or polymerization with ultraviolet initiated in low temperature and polymerization with silica-gel as sacrificial materials. In the polymerization procedure , Sulfamethazine(SM2)and Sulfisoxazole were used as target template molecules, methacrylic acid and 4-vinylpyridine(4-VP) and acrylamide were selected as functional monomers, ethylene glycol dimethacrylate as crosslinker, azobisisobutyronitrile was used as initator.

主要工作如下：首先，以磺胺异噁唑和磺胺二甲嘧啶为模板，分别以4-乙烯基吡啶，甲基丙烯酸，丙烯酰胺为功能单体，以二甲基丙烯酸乙二醇酯为交联剂，偶氮二异丁腈为引发剂，采用了传统方法(60℃恒温水浴)、牺牲硅胶法及低温紫外光聚合法等三种方法合成了一系列的磺胺类药物印迹聚合物。

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