normal polymerization

Review on the oversea studies on informal settlement and enlightenments from them;

国外非正规聚落研究进展及启示

The aim of this thesis is in search of the catalysts which are moderate and stable for preparing mono-dispersed macroporous materials, by means of syndiotactic polymerization of styrene.

为了在纳米至亚纳米受限空间中进行乙烯基芳烃间规聚合，制备单分散三维有序大孔材料，本论文以寻找催化活性适中但不能过高、且平稳的催化剂为目的，设计合成了三类非茂金属催化剂，包括不同配体结构的β-二酮钛类催化剂，2-羟基苯酮钛类催化剂和双核β-二酮类催化剂，其中β-二酮钛类(bfa)TiCl_3、(bfa)_2TiCl_2，2-羟基苯酮钛类[(hmbp)_2TiCl_2]，双核β-二酮类{[xyl(acac)_2]TiCl_2}_2、[xyl(acac)_2](TiCl_3)_2，未见在苯乙烯基单体聚合上的应用报道。

The syndiospecific polymerization of styrene was carried out via β-diketonate titanium complex/MAO.

以β-二酮钛配合物 /MAO催化苯乙烯间规聚合 。

Syndiospecific polymerization of styrene was catalyzed by Cp*Ti(CH2SiMe3)3/B(C6F5)3 (Cp*=pentamethylcyclopentadienyl).

考察了新型催化剂Ｃｐ＊Ｔｉ（ＣＨ２ＳｉＭｅ３）３／Ｂ（Ｃ６Ｆ５）３催化苯乙烯间规聚合的性能。

Study on the Syndiotactic Polymerization Process of Styrene by Metallocene Catalysts;

茂金属催化苯乙烯间规聚合过程研究

Syndiotactic Polymerization of Styrene with Homogeneous Metallocene Catalysts;

均相茂金属体系催化苯乙烯间规聚合过程研究

Novel Non-Metallocene Catalysts for Styrene Syndiotactic Polymerization;

新型非茂类苯乙烯间规聚合催化剂的合成及应用

Reactor Granule and Alloy Technology for Preparation of Syndiotactic Polystyrene;

间规聚苯乙烯反应器内颗粒化及合金化研究

Synthesis and Characterization of Syndiotactic Polystyrene Graft Copolymers;

以间规聚苯乙烯为主干的接枝共聚物的合成与表征

Growth rules of rabbit adipose stromal cells combined with polylactic-co-glycolic acid film

聚乳酸-聚羟基乙酸膜体外复合兔脂肪源性间充质细胞的生长规律

Those with a random distribution of configuration are termed atactic.

构型无规分布的聚合物叫无规聚合物。

stereoblock polymer

立构规正嵌段聚合物

equitactic polymer

全同间同等量聚合物

threo-disyndiotactic polymer

苏型双间同立构聚合物

erythro-disyndiotactic polymer

赤型双间同立构聚合物

Particles do not coalesce with other particles.

颗粒之间互不聚合。

Study on the Polymerization and Spinning of Poly (M-phenyleneisophthalamide);

间位芳香族聚酰胺聚合及纺丝的研究

The Study of Anionic Polymerization on Controlling the Degree of Tacticity of Polymers and Synthesis of Block Polymers;

阴离子聚合控制聚合物立构规整性及其嵌段共聚物的合成研究

A similar trend to scientific cooperation on a global scale was apparent in many other fields, like meteorology, astronomy, nuclear fusion, and space.

在许多其他如气象学、天文学、核聚变以及空间科学领域中也同样存在全球规模的科学合作。

Study of AE Reaction Kinetics --Reaction Speed of EO Change with Time

脂肪醇聚氧乙烯醚合成反应的动力学研究——环氧乙烷加成速率随时间的变化规律

Agglomeration and Dispersion:Integration of Intra-urban Commuting Cost and External Technological Externalities;

集聚与分散:新经济地理学模型与城市内部空间结构、外部规模经济效应的整合研究

Spatial Integration and Planning of the Valley Cities in the Rapid Agglomeration and Development- A Case Study in Lanzhou City;

快速集聚发展过程中的河谷型城市的空间整合与规划——以兰州市为例