Sichuan province. This paper studies and discusses the hydrologic-geochemical reaction and weathered rock mass due to subsidence of acid rainwater and groundwater permeation.

Fractionation of arsenic in waste water samples by HPLC-hydride generation-dynamic reaction cell-inductively coupled plasma mass spectrometry

HPLC分离-氢化物发生-动态反应池-ICP/MS联用分析废水中砷形态

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Based on the analysis of the experimental results by the gas liquid reaction theory, the mass transfer coefficients in gas phase were determined.

根据气液反应理论对实验结果进行分析，由实验和理论计算获得了气相分传质系数。

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Coupled processes of chemical reaction, heat and mass transfer in non-thermal equilibrium porous medium

非热平衡多孔介质内反应与传热传质耦合过程

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The amount of oxygen accumulated in BOF is obtained from the off-gas analysis, Mathematical models for predicting w [ P] t and w [ Mn] t at the end of blowing are established through analyzing this parameter with reaction equilibrium and mass balance.

运用转炉炉气分析技术，对转炉内氧积累量进行了研究，通过对此参数的分析并结合反应平衡和质量守恒定律，建立预测吹炼终点w[P]t和w[Mn]t的数学模型。

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The distribution function of energy reveals the rule that the reaction activity of mass changes in different stages of pyrolysis, which helps to investigate the mechanisms of pyrolysis, gasification and combustion.

活化能的分布函数，反映了木材在热解、气化、燃烧过程中不同阶段的反应活性变化规律，有助于了解木材的热解和燃烧机理。

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The effects of stirring speed, reaction temperature, mass ratio of alkali-to-ore, initial potassium hydroxide concentration and particle size on the leaching rate of niobium were reported.

考察了搅拌转速、反应温度、碱矿比、初始氢氧化钾浓度和矿粒度对铌钽矿中铌的浸出速率的影响。

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Therefore, it would be considerably effective for the improvement of Ce 4+/ Ce 3+ reaction to facilitate mass transfer and add electrochemical catalyst.

因而可通过提高传质速率和加入电化学催化剂的方法来提高Ce4+/Ce3+体系的反应速率。

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The optimum coupling reaction conditions: mass fraction of SCA is 6.5% 7.5%; coupling temperature is 70 ℃; coupling time is 3 4 h.

最优偶联改性的工艺条件：SCA质量分数为6.5%～7.5%、偶联温度为70℃、偶联时间为3～4h。

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The effects of reaction temperature, mass of surfactant, mass of initiator and mass of PSG on the polymerization conversion were investigated.

考察了聚合温度、乳化剂用量、引发剂用量和PSG用量对细乳液聚合转化率的影响。

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The main work are summarized as follows: The factors affecting the MFC performances were analyzed from enzyme kinetics, chemical reaction theory and mass transfer.

主要工作包括：基于酶动力学理论、化学反应理论和传质学理论分析了MFC工作性能的影响因素。

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The application of advanced intelligent control strategy is expected to achieve effective control of the fluidized bed systems, improvement of reaction efficiency and mass production economy.

采用先进的智能控制策略有望实现对流化床系统的有效控制，提高反应的效率和批量生产的经济性。

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Nonlinear Chemical Reaction and the Mass Action Law& Periodic Tuning of the CSTR-BZ Reaction System

非线性化学反应与质量作用定律&BZ-CSTR反应体系的周期调制

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Dynamics Model of Compost Reaction Based on Mass Action Law

基于质量作用定律的堆肥反应动力学模型

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The Effect of different Sizes of Container and Media for One Year Old Seedlings of Four Types of Aboriginal Broadleaf in Subalpine Area in Northwest Yunnan Immediate Adverse Reaction after Mass Vaccination of Groups A+ C Meningococcal Polysaccharide Vaccine

滇西北亚高山4种乡土阔叶树种1年生容器苗的育苗容器规格及基质研究A+C群脑膜炎球菌多糖疫苗大规模接种后的速发型接种反应观察

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The results showed that C, Mn and V elements in steel had no effect on the behavior of N in vacuum condition: denitrogen was first-order reaction with mass transfer rate coefficient 0.091 cm/ s.

结果表明，在真空条件下，钢水中的C、Mn、V对N的行为基本没有影响，此时脱N为一级反应，传质速率常数为0091cm/s；

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The denitrogen still happened as Ar was filled in low vacuum ( 9 300 Pa), in this case the denitrogen was second-order reaction with mass transfer rate coefficient 0.022 cm/ s.

在低真空（9300Pa）过程充Ar，仍会发生脱N行为，此时脱N为二级反应，传质速率常数为0022cm/s。

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On this foundation, this thesis reviewed the reaction of mass media on the Chinese culture-figuring of culture temperament, rewriting of thinking fashion and the reconstruction of value.

在此基础上，进而反观大众传媒对于中国文化的反作用&文化气质的塑造和思维方式的改写以及价值观念的重构。

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Rates of chemical reaction and mass transfer were compared to determine the control step of p-xylene liquid phase oxidation process based on the kinetics previously obtained.

在对二甲苯液相催化氧化动力学研究的基础上，比较了化学反应速率与气液传质速率的相对大小。

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Progress in Researches on Gas-Phase S_N2 Ion-Molecule Reaction by Mass Spectrometry

有机质谱学法研究气相S N2离子-分子反应进展

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Immediate Adverse Reaction after Mass Vaccination of Groups A+ C Meningococcal Polysaccharide Vaccine

A+C群脑膜炎球菌多糖疫苗大规模接种后的速发型接种反应观察

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