机理

The Mg〓 ions in solution take part in the formation of passivation film, which was thicker than that formed in solution without Mg〓. In natural saturated air water and aerated water, the effect of several kinds of anions, dissolved oxygen pH and Ca〓, Mg〓 ions on corrosion inhibition of tungstate was investigated.

钨酸盐作为主要成分的缓蚀剂已经开始实际应用，但是对其缓蚀机理、特别是复配使用时的协同增效机理研究不多，本论文对钨酸盐及其复配缓蚀剂的缓蚀作用和协同增效机理进行了研究，并研究开发了环保型无磷钨系复合水处理剂。

If the laser is in ultraviolet-visible wave, photons activate choicely electron energy level or destroy weak bond of compound molecule, and result in chemistry reaction, which is photo leading decomposition mechanism, if the laser is in infrared wave, the chemistry reaction mainly is heat decomposition mechanism.

如果激光是可见紫外波段，光量子能量有利于选择性地激发分子的电子能级，或破坏化合物中弱键而诱导化学反应发生，化合物属于光致分解机理、引发弱键断裂机理；如果激光是红外波段，化合物表现的则是热分解机理。

Secondly,the Popescu method was adopted to do further screening by virtue of linear correlation coefficient of regression calculation.

首先分析反应发生的过程，对机理函数作初步筛选；然后采用Popescu法通过函数拟合的线性相关度对机理函数作进一步的推断；最后采用单个扫描速率的微分法与等转化率法相结合的方法，以活化能为判据确定最概然机理函数。

The presence of AM changes the cyclization reaction mechanism of copolymers from free radical to ionic.

结果表明，AM的引入改变了聚合物的环化机理，从自由基环化机理过渡为离子环化机理。

In recent years, much hard work has been done by scholars from all over the world. These work has mainly involved the denaturation mechanism of proteins in water, in the solution with denaturant and in the solution with other matters.

近年来，国内外学者在此方面做了大量的工作，主要涉及蛋白质在水溶液中的变性机理、在有变性剂存在下水溶液中的变性机理及在含有其它物质水溶液中的变性机理。

In this work, we also presented some methods to determine kinetic parameters for the different systems and examplified by the reduction of thionyl chloride in dimethyl formamide.

根据我们提出的判定反应可逆性的方法，系统地对EE反应机理进行了探讨，从中可方便地判定EE反应的不同反应机理；对不同的反应机理，相应地又提出了测定其电极反应动力学参数的方法，并以亚硫酰氯的还原为例进行了研究及测定。

Dehydrochlorination and dichloroelimination are proposed as the mechanism for the reaction. The possible dechlorination or hydrogenolysis is excluded from the system by both experimental data and the theory analysis.

一方面从机理解释上，给出了与之相对应的脱HCl反应机理和双氯消除机理，对存在疑问的脱氯加氢反应过程，从原理和实验两方面证明在FeS-水体系中的不可能性。

From these researches as above, this paper found a new method to analysis salty soil road engineering properties by phase equilibrium theory, which provides a new angle of analysis on salty soil properties, experiment and engineering practice in these ways as follows:(1) Analysis the disadvantage of traditional salty soil experiment;(2) Analysis the disadvantage of current salty soil definition by phase equilibrium theory, and gives the chart of distinguish salty soil by the condition of hydrography and climate change;(3) Analysis the mechanics of subgrade frost boiling based on the change rule of liquid content;(4) Based on the change rule of ingredients content and volume in salty soil, analysis the mechanics of subgrade salt heaving and the restraining method by adding sodium chloride.

通过以上研究，本文初步建立了以相平衡理论为核心的盐渍土路用工程性质分析方法，该方法对盐渍土工程性质的理论分析、试验研究以及工程实践提供了新的研究思路与方法，具体体现在：(1)分析了传统的盐渍土试验存在的缺陷；(2)分析了现行盐渍土定义的不足，并以相平衡理论为基础，结合水文、气候条件的变化给出了判别盐渍土的诺谟图；(3)分析了盐渍土盐溶液含量的变化规律，并从盐渍土含液量变化规律出发，分析了盐渍土路基较非盐渍土路基翻浆严重的机理；(4)分析了盐渍土各固相含量及其体积的相变规律，并在此基础上分析盐渍土路基的盐胀机理，以及采用添加氯化钠来抑止硫酸盐盐渍土的盐胀机理

So the systematically study of loess landslides are emergently needed. Based on detailed investigation and survey of characteristics of environmental geology, engineering geology, hydrometeorology in Tongchuan, the distribution characteristic and the outer, inner factor of loess landslides are studied; and it is concluded that the rainfall and artificial engineering activity are the leading causes of loess landslide among various factors. Through plenty of tests of soil samples, it is researched that the loess"s physical mechanics characteristics, the loess landslide"s formation mechanism and kinematics mechanism.

本文在详细调查和勘察铜川地区的环境地质、工程地质及气象水文特征的基础上，对黄土滑坡的分布特征和滑坡形成的内外因素进行了深入剖析，认为在各种影响因素中，大气降水和人类工程活动是铜川黄土滑坡的最主要的诱发因素；在采集大量的土样并进行试验的基础上，对黄土的物理力学特征和黄土滑坡形成机理、运动学机理进行了研究，推导出了滑坡运动机理中的孔压参数A_D、B_D分别与孔隙比和饱和度的统计关系。

Taking LOI and vertical burning methods as main measures to estimate the flame retarding efficiency of materials, the effects of each ingredient were studied. With the aid of thermal analysis, the mechanism of chemistry reaction, intumescence and charring were discussed.

以氧指数法和水平燃烧法作为考查阻燃性能的主要手段，研究了聚乙烯膨胀阻燃体系各组分对阻燃性能的影响，并结合热分析的方法对聚乙烯膨胀阻燃体系热降解过程的化学反应机理、膨胀机理、成炭机理进行探讨。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。