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GC-MS is used to determine content of free TDI, reaction kinetics is analysed by chlorhydric acid/n-dibutyl amine titration -NCO method and DSC, so the system activation energy is calculated.

采用气相色谱-质谱法测定其游离TDI含量，用盐酸-正二丁胺滴定-NCO法和DSC法相结合，分析反应动力学规律，计算体系表观活化能。

Kinetics of photo-chlorination of acetic acid to form monochloroacetic acid ;2. The mechanism for chlorinate acetic acid to monochloroacetic acid by using acetic anhydride or sulfur as catalysts respectively was studied.

通过对硫磺和乙酐催化氯化制备氯乙酸反应机理的分析研究，采用硫磺及乙酐复合催化剂，并且对氯化温度、氯化气氛、尾气回收等进行了过程优化，实现了乙酸氯化反应工艺条件的重大突破，使得氯乙酸的收率达到92。

Therefore, the in-depth research on the process of dynamic loads when braking ,the analysis about the causation and influence factor of the dynamic loads" emergence is necessary to the design of the circumgyrate machinery Aim at above problems, this text treats the portal crane"s boom system as a research object ,using finite element analysis and mechanism kinetics as theories foundation and analysis means ,utilizing ANSYS8.1 to research the dynamic effect of the crane boom under the circumstance of braking.

针对以上问题，本文以MQ4033门座起重机臂架系统为研究对象，以有限元和机械动力学为理论基础，运用ANSYS8.1对臂架系统在回转制动时的工况进行动力学分析，获得了臂架系统的模态特征以及在回转制动时的动力响应。

The methods of hydrocarbon generation and carbon isotopic kinetics are studied in Sulige Gas Field, Yulin Gas Field and Shenmu Gas Field, which indicate that the gas is mainly from Carboniferous-Permian coaly stratum in the south or southwest of the three gas fields; the hydrocarbon generation of source rock is firstly originated from 150Ma or so in Dingbian and its south area, and is successive from south to north and from west to east; the migration directions of natural gas are regionally from southwest to northeast, and partially from bottom to top.

采用生烃动力学和碳同位素动力学的方法，通过对苏里格气田、榆林气田和神木气田的剖析，认为这3个气田的气源主要来自其南部或西南部的石炭-二叠系的煤系地层；烃源岩生烃始于150Ma左右，出现在定边及以南的气源岩区，并存在由南向北、由西向东推进的趋势；天然气区域运移方向是由西南向东北，局部运移方向是由下向上。

In the study of non-isothermal crystallization kinetics, we found that the Avrami constants were enhanced with the increase of the amount of the modified MMT at 10 ℃/min and 30 ℃/min. But it decreased with the increase of the amount of the modified MMT while the cooling rate increase to 50 ℃/min. The crystallization rate constat k also increased with the increase MMT and it revealed that the crystallization rate of composites accelerated by the presence of MMT.

由非等温结晶动力学得知，复材之Avrami 常数n值在10℃/min与30℃/min时，会随著改质蒙脱土含量增加而上升，但是当降温速率提升至50℃/min时，则随著改质蒙脱土增加而下降，其结晶速率常数k值随著改质蒙脱土含量增加而上升，代表复材之结晶速度也会受到添加改质蒙脱土的影响而变快。

The operating case of current liquid dampers, in which have been used in engineering, has been investigated by analyzing the distribution of oil kinetics parameters such as pressures and flow velocities based on finite element method for design of constructer of the new MR fluid damper and its characteristic simulation.

通过分析目前工程中的轿车液力阻尼器工作原理，采用有限元法对阻尼器内部流体的工作状态进行了分析；探讨了油液在工作过程中的压力、流速及其流场分布的动力学特征，为流体阻尼器结构设计及其阻尼特性的数值模拟分析提供了理论依据。

The paper studies AM and DAC as monomer, copolymerize a new type of cationic polymer flocculants through aqueous solution polymerization, inverse emulsion polymerization and inverse microemulsion polymerization, then studies how to improve solid content by aqueous solution polymerization, ascertain the system and kinetics of inverseemulsion polymerization and technological conditions.

本论文探讨了以AM与DAC为单体，通过水溶液聚合、反相乳液聚合、反相微乳液聚合得到新型阳离子高分子絮凝剂，研究了如何提高水溶液聚合的固含量，反相乳液聚合体系的确定、动力学研究及其工艺条件等影响因素。

Methods: rat costochondral growth plate chondrocytes were isolated and cultured. growth kinetics of rgcs during serial passage was analyzed, and α sma, collagen typeⅱ and gag expressions of primary to 5th passage rgcs were detected by immunocytochemistry, western blot and alcian blue staining, respectively.

分离、培养大鼠肋生长板软骨细胞，对原代至第5代rgcs进行细胞生长动力学分析，阿尔新兰染色、免疫细胞化学法和蛋白质印迹分别检测蛋白多糖，α sma和ⅱ型胶原的表达。

In this paper, grafting of crotonic acid, undecylenic acid, oleic acid, and acrylic acid onto acrylonitrile-butadiene-styrene terpolymer were studied. Experimental factors influencing grafting, kinetics and mechanism of grafting, the reactivity of grafted polymer, and the compatibilization effects of grafted ABS on ABS blends were investigated.

本文主要研究反式丁烯酸、10-十一烯酸、油酸、丙烯酸接枝ABS树脂的影响因素、接枝反应机理和动力学、接枝物的反应活性，以及接枝物对ABS共混物的增容作用。

Compared to the hydrogen storage material 70Mg30C and MgH2, the crystallitic carbon and the catalysts of Ni and Al cut down the dehydrogenation time, increased the dehydrogenation capacity of hydrogen storage material, and reduced its apparent activation energy. And the dehydrogenation kinetics performance was improved.

与储氢材料70Mg30C及纯MgH2相比，微晶碳和催化剂Ni、Al缩短了储氢材料的放氢时间，加快了放氢速度，提高了放氢量，降低了表观活化能，放氢动力学性能得到了改善。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。