Ligands play a crucial role in ATRP(atom transfer radical polymerzation).
在原子转移自由基聚合(ATRP)反应中,配体对催化体系的活性是至关重要的,它们可以调节过渡金属的氧化还原性能,并以自身的立体效应供给催化剂以适当的选择性,它们还可以改善催化剂在反应混合物中的溶解性能。
The polymerization mechanism and main technological characteristics of atom transfer radical polymerization and that of common radical polymerization at home and abroad were introduced.
概述了PVC主链中的结构缺陷,介绍了国内外原子转移自由基聚合和普通自由基共聚合的聚合机制及其主要技术特点,简述了改善PVC热稳定性的方法,指出对PVC具有应用前景的改性途径。
In order to study atomic dynamic properties and its squeezing effects during the interaction of two modes field and material,we have derived the relations between coupling constant G and expectation value of the atomic inversion operator and its squeezing effects from the effective Hamilton of interaction between the two level atom and the field.
为了探讨双模光场与物质相互作用过程中原子的动力学行为及压缩效应，作者从二能级原子与光场相互作用的有效哈密顿量出发，推导出原子反转算符的期望值及原子的压缩效应与耦合常数Ｇ之间的关系，最后运用数值计算法及相应的图形进一步加以说明。
The properties of the atomic inversion and the atomic state evolution are investigated by using the distance between density operaters in the intensity dependent coupling Janyes-Cummings model with an additional Kerr medium.
研究了附加克尔介质依赖强度耦合Jaynes-Cummings模型中原子反转特性,并采用密度算符间的距离研究了该模型中原子量子态的演化规律。
The time-evolution of atomic inversion in the system of negative binomial field interacting with two-level atom via intensity-dependent coupling with an additional Kerr medium is investigated by means of numerical calculations.
采用数值计算的方法,研究了有Kerr介质存在时负二项式光场与二能级原子依赖强度耦合相互作用系统中原子布居反转的时间演化规律,讨论了Kerr介质和光场参量对原子反转的时间演化的影响。
The Atom Transfer Radical Polymerization and Degenerative Transfer Polymerization Initiated by Initiator Formed in Situ
原位合成引发剂引发原子转移自由基及衰减链转移同步聚合
Preparation of PS-g-PMMA via atom transfer radical polymerization
原子转移自由基聚合法合成PS-g-PMMA
An ionic bond is characterized by the transfer of an electron from one atom to the other.
离子键的特点是一个电子可以从一个原子转移到另一个原子。
Investigation of the Gas-Phase Oxygen-Atom Transport Catalyzed by Transition Metal Ions
过渡金属离子催化的气相氧原子转移研究
Research Progress of Ionic Liquids in Atom Transfer Radical Polymerization
离子液体参与原子转移自由基聚合的研究进展
Preparation of Polymer Nanoparticles by Homogeneous Solution Atom Transfer Radical Polymerization
原子转移自由基溶液聚合制备聚合物纳米粒子
Study on Modification of Ramie Fiber via Atom Transfer Radical Polymerization;
原子转移自由基聚合法改性苎麻纤维的研究
The Reasearch of Ratrp of Styrene in Microemulsion;
苯乙烯反向原子转移自由基微乳液聚合的研究
Novel Catalyst Systems for Atom Transfer Radical Polymerizations;
原子转移自由基聚合新催化体系的研究
Study of Atom Transfer Radical Polymerization Mediated by Ferrous-based Catalyst;
铁系催化剂用于原子转移自由基聚合的研究
The bulk Atom Transfer Radical Polymerization (ATRP)of MMA under microwave irradiation;
微波辐射下MMA原子转移自由基本体聚合
Preparation of PS-b-PHEMA Brushes via Atom Transfer Radical Polymerization;
原子转移自由基聚合制备PS-b-PHEMA嵌段共聚物刷
Atom Transfer Radical Polymerization Catalyzed by Immobilized Cobalt Catalyst;
负载钴催化剂催化原子转移自由基聚合研究
Collisional Energy Transfer between Alkali Atoms and Alkali Molecules;
碱金属原子与分子间的碰撞能量转移
Collisional Energy Transfer with the Participation of the Excited Cs Atoms;
激发态Cs原子参与的碰撞能量转移
Cross sections for energy transfer in collision between two excited state Cs(6P) atoms
激发态Cs(6P)原子间碰撞能量转移截面
Theoretical Studies of Collision-induced Energy Transfer within Diatomic Molecules in Excited States;
双原子分子激发态碰撞能量转移的理论研究
Collisional Energy Transfer between the High States of Alkali Molecule and Alkali Atoms;
高位碱分子态与碱原子间的碰撞能量转移