聚合的

Both direct synthesis and ring-opening polymerization can be utilized to prepare homo- and copolymers of lactic acid such as L-lactide, D-lactide, D, L-lactide, and glycolide.

直接聚合和开环聚合两种方法可以用来制备乳酸的均聚物和共聚物，如聚L乳酸、聚D乳酸、聚D，L乳酸和L乳酸乙醇酸共聚物。

In the polymerization procedure,S--α-phenyl ethylamine was used as target template molecules,methacrylic acid was selected as functional monomers, ethylene glycol dimethacrylate or divinylbenzene as crosslinker, azobisisobutyronitrile or benzophenone was used as irritator.

以S--α-苯乙胺为模板，甲基丙烯酸为功能单体，分别以二甲基丙烯酸乙二醇酯、二乙烯基苯为交联剂，偶氮二异丁睛或二苯甲酮为引发剂，采用了本体聚合法、悬浮聚合法合成了一系列的S--α-苯乙胺印迹聚合物。

There are currently three kinds of LFRPs, i.e., 2,2,6,6-tetramethylpiperi- dinyl- N -oxyl mediated system, atom transfer radical polymerization and RAFT-based (reversible addition-fragmentation chain transfer reaction) radical polymerization.

迄今为止，已有稳定自由基如2，2，6，6-四甲基哌啶氮氧游离基调控的体系、原子转移自由基聚合体系和可逆加成-裂解链转移聚合体系问世。

Methods K-ras gene point mutation and its style at codon 12 of Patu 8988 cell were detected by using PCR-SSP and sequence analysis.

方法顺序特异引物聚合酶链反应法和基因测序检测Patu8988细胞K-ras点突变形式，根据点突变形式设计并合成硫代反义寡核苷酸（K-ras mutation ASODN）作用Patu 8988，通过噻唑蓝比色法检测细胞生长情况；流式细胞术检测K-ras蛋白表达和细胞凋亡；逆转录-聚合酶链反应检测K-ras mRNA表达水平；以Patu8988细胞建立裸鼠胰腺癌模型观察K-ras mutation ASODN在体内的抗肿瘤效果。

Reparation of PBO was begun with the polymerization process in which composite salts that contained 4,6-diaminoresorcinol and terephthalic acid were dissolved in polyphosphoric acid and phosphorus pentoxide.

BO纤维制备：以4，6-二氨基间苯二酚的盐酸盐为单体原料，与对苯二甲酸混合，经过中和反应、脱色处理、干燥后制成复合盐；再以多聚磷酸为溶剂，添加五氧化二磷和抗氧化剂，经过预聚合反应制备出PBO聚合物；聚合物通过双螺杆挤出机进一步进行聚合，然后通过喷丝板挤出，在磷酸水溶液中凝固成型，经过洗涤、干燥等过程，最终卷绕成型。

Preparation of polymeric nanocapsules by radiation induced miniemulsion polymerization (1) Polystyrene nanocapsules with liquid core were prepared by ~(60)Coγ-ray radiation induced miniemulsion polymerization, in which N-vinyl pyrrolidone was used as polar monomer.

本文首先通过辐射引发细乳液聚合制备了聚苯乙烯纳米微胶囊，并从热力学与动力学两方面研究了影响纳米微胶囊形貌的因素；之后使用反相乳液聚合制备了磁性复合微球和磁性复合空心微球，并研究了有关影响因素。

Any of various hairy perennial Eurasian herbs of the genus Symphytum, especially S. officinale, having variously colored flowers in coiled cymes and long used in herbal medicine.

聚合草一种聚合草属毛状多年生欧洲草本植物，尤指雏菊，在圈状聚伞花序中有各种彩色的花，长期用于草本药物

Two azobenzene-containing polyethers were synthesized and their thermotropic liquid crystalline properties were investigated.

氯乙基缩水甘油醚和GCE/羟丁基乙烯基醚分别通过阳离子聚合、光引发共聚合，获得两种聚醚，然后再分别与 4-硝基-4' -羟基偶氮苯反应，制备了两种侧链含偶氮苯生色团的液晶聚合物。

Because there are agglomeration economy effects in enterprises and industries, strategy union appears amony enterprises and industries are agglomerating.

论述了由于聚合经济效应的存在，企业之间形成策略联盟，产业之间则表现为产业聚合。

FTIR spectroscopy confirmed that soybean oil and styrene had been copolymerized.

采用悬浮聚合法将豆油与苯乙烯进行自由基共聚，制备支化和部分交联的聚合材料。

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