动力学

Keywords Polyethylene;Thermal gravimetric analysis;Kinetics

聚乙烯；热重分析；动力学

This article intends to review the progress in aqueous ammonia method from thermodynamics, kinetics and reaction mechanism. The engineering condition of aqueous ammonia method in industry is also partly discussed.

本文从热力学、动力学、反应机理等方面对氨水法的研究进展进行了系统地综述，并部分探讨了工业上氨水法的工艺条件。

This article intends to review the progress in aqueous ammonia method from thermodynamics, kinetics and reaction mechanism aspects. The engineering condition of aqueous ammonia method in industry is also partly discussed.

本文从热力学、动力学、反应机理等方面对氨水法的研究进展进行了系统地综述，并部分探讨了工业上氨水法的工艺条件。

A radial basis function with polynomials interpolation method and a Heaviside step function are chosen for establishing local Petrov-Galerkin formulations of hyperelasticity.

提出了求解超弹性材料静力学、动力学、静态接触和动态碰撞等问题的局部Petrov-Galerkin方程。

His exceptional social benefits have placed it to the worldly eyes like the great favorite for to achieve the worldwide title, but the two breakings of the past Sunday, an oil leak in Raikkonen's car and an engine trouble in the one belonging to Massa have cooled something tempers.

他的特殊社会效益放在它以世俗的眼睛一样伟大的最爱，为实现世界范围内的名称，但两地breakings的过去周日，石油泄漏，在莱科宁的赛车和一个引擎发生故障，在一个属於马萨有冷却一些脾气。

The obtained activation barrier of β-scission of 1-butene is 217 kJmol^(-1) in the reverse reaction of ethene dimerization.

反应的逆过程也就是1-丁烯在酸性分子筛表面的1-丁基烷氧化合物发生B分裂反应，计算所得相应的l-丁烯B分裂反应的能垒为217kJmol^(-1)，远高于相应的乙烯二聚反应能垒。