单体

objective: to prepare the molecularly imprinted composite membranes with propofol as template.methods: with the ultraviolet light and initiator, template molecular propofol, functional monomer methacrylate and crosslinking agent ethylenegly-coldimethacrylate formed molecularly imprinted composite membrane through polymerization on the surface of polyvinyli-dene fluoride microporous membrane.inspection of the combination of template molecule and functional monomer, characterization of the membrane surface morphology with scanning electron microscopy.results: the morphology of composite membranes was well.propofol bonded to methylacrylic acid with hydrogen bond.conclusion: the method of ultraviolet light-struck is feasible for preparation of molecularly imprinted composite membranes with propofol as template.

目的：制备异丙酚分子印迹复合膜。方法：在紫外光照和引发剂的作用下，模板分子异丙酚、功能单体甲基丙烯酸和交联剂乙二醇二甲基丙烯酸酯在聚偏氟乙烯微孔滤膜表面聚合形成分子印迹复合膜，考察模板分子和功能单体的结合特性，用扫描电镜表征膜的表面形态。结果：复合膜形态良好，异丙酚和甲基丙烯酸以氢键的方式缔合。结论：用紫外光照射法可以制得异丙酚分子印迹复合膜。

A low-melting point PET can be produced by adding the proper third and forth monomers during regular PET production.

在常规PET生产中加入适当的第三单体和第四单体可制备低熔点聚酯。

The copolymer micelle is not only provided with photosensitive units but also provided with hydrophilic/lyophobic microdmain, can also reduce the tension of oil-water boundary, and has the emulsifying function.

本发明单体易得，反应条件简单，产率高，而且通过自组装的技术可以对高分子胶束粒子实现可控化，加入具有功能基团的单体，在洗护用品领域有潜在的应用价值。

The polymerization mechanisms of DTC, TMC and CL initiated by Ln 〓 were fully studied for the first time, and proved to be a"coordination insertion anionic mechanism". Monomer coordinated to rare earth metal on the carbonyl group, and opened ring via acyl-oxygen bond cleavage, forming a growing chain.

本文首次研究了Ln〓引发DTC、TMC和CL聚合的机理，证实都符合&配位插入阴离子机理&：单体首先以环外羰基和引发剂中稀土原子配位，并发生羰基加成，随之通过酰氧键断裂开环而插入到Ln-O键中实现链引发，然后各单体重复上述稀土原子参与的配位、加成、开环、插入聚合步骤，活性链在Ln-O端增长。

Organic silicon products can be divided into three kinds: organic silicon singles, organic silicon mid-body and organic silicon products. The key to organic silicon industry is to get goodquality organic silicon singles.

有机硅产品分有机硅单体、有机硅中间体、有机硅产品及制品三大类，进入有机硅行业的关键是取得质优的单体产品。

For the purpose of good sea-keeping of displacement type monohull, anti-pitch build-up appendages will be added to the monohull.

为了改善单体排水式船型的耐波性，本文将在单体排水船上加装减纵摇组合附体。

In view of the national conditions, the medium-small scale naval vessel above water of our navy is mainly displacement type monohull, the displacement type monohull remains the most basic selected type of the naval vessel above water during future quite long period.

鉴于国情，我海军中小型水面舰艇主要是单体排水式船型，在未来相当长一段时间内单体排水式船型仍然是水面舰船的最基本的选型。

This process is a gree synthesise Rite.The effects of discharge time, discharge power, concentration of MA, post- polymerization temperature and post- polymerization time on the conversion of MA and properties of PMA were studied.

考察了放电时间、放电功率、单体浓度、后聚合温度及后聚合时间等对等离子体引发聚合制备PMA的单体转化率及产物性能的影响。

We also proved that it is relatively easier to obtain addition lines in the selfing population than to obtain double-monosomic additions.

根据BC2F3代自交品系来源的不同，初步认为由双单体附加自交比单体附加自交选择异附加系的效率高。

Bis(4-fluorophenyl)phenyl phosphine oxide was synthesized by Grignard reaction, and sulfonated bis(4-fluorophenyl)phenyl phosphine oxide was prepared by sulfonation of BFPPO.

具体内容如下：通过Grignard反应合成了二(4-氟苯基)苯基氧膦单体，并将其磺化，合成了二(4-卤苯基)-3-磺酸钠苯基氧膦单体。

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