查询词典 colouring material

During the desulphurization process, the equilibrium concentration of particulates and the time of reaching it can be calculated by the material balance law.

通过对干法烟气脱硫物料平衡计算，确定脱硫塔内固体颗粒物平衡浓度和达到平衡浓度所需要的时间，并和实测值加以比较。

According to IS theory as well as die bond requirement in reality, Au/In was chosen by virtue of appropriate equilibrium diagram and high reaction rate from a variety of binary alloy systems as die bond media. To match CET of chip material of silicon, alloy 42 (Iron-Nickel) rather than copper—2 kinds of lead-frame materials in most common usage, was selected as substrate.

根据等温凝固原理和芯片焊接的实际需要，从多组二元合金中选出了共熔点低、反应速度快的金和铟作为焊接材料；并以硅片作为芯片，从目前最常用的框架材料—铜和铁镍四十二合金中，选出了与硅的热膨胀系数相近的铁镍四十二合金作为衬底材料。

And also metal material's corrosion form and method of anticorrosion are analyzed. The review still includes water chemistry's function, principle, type and characteristic in utility boiler. And the dissertation's studying direction, content and method are determined against the current existing problem of water chemistry of utility boiler. 2. High temperature potential-pH equilibrium diagram's application and high temperature solution's practical pH calculation The application method of high temperature potential-pH equilibrium diagram and solution's practical pH at high temperature are analyzed and calculated.

本文所做的主要研究工作有：一、火力发电站热力系统防腐综述及论文研究方向与内容在查阅大量国内外文献和资料，并结合多年来工作和研究经验的基础上，对火力发电站热力系统的组成、工作环境、常用金属材料、常见腐蚀形态、常用腐蚀控制方法以及电站锅炉水化学工况的作用、原理、类型与特点等作了全面深入的分析和总结，并针对目前电站锅炉水化学工况应用中存在的问题，提出了本文的研究方向、内容和方法。

According to the diffusion theory and the principle of material equilibrium, the dissolution velocity ...

结果表明，在合理的工艺条件下，通过盐岩水溶开采可以获得稳定的腔体形态，以满足地下储气库的要求，从而为盐穴储气库的溶腔设计提供理论依据和决策手段。

The principle of chemical equilibrium is of universal guiding signficance for the limitation of chemical change and the realization of direction and of material transformation favorable to man.

化学平衡原理对研究化学变化进行的方向和限度，实现有利于人类的物质和能量转化，具有普遍的指导意义。

With numerical calculations, the influences of device structure, material parameters and operating conditions on the distributions of the equipotential line, current density, carrier concentration, optical field and temperature profiles have been investigated, and the interactions between the correlative characteristics have been studied at the same time.

通过对这些相互关联的特性进行数值计算，分析了器件结构、材料参数和工作条件等对等势线分布、注入有源区的电流密度、有源区中的载流子浓度、光场强度以及温度分布的影响，并研究了这些特性之间的相互影响。

Anisotropism of the penetrability of dam and foundation material arouses that the density of the equipotential line of water head at entrance enlarges, residual water head are higher than the height of the soakage-line in large seepage field, and the exit points of seepage flow rises.

本文在总结前人研究成果的基础上，主要研究和探讨了以下四个方面的内容：饱和非—饱和、稳定—非稳定渗流计算的有限元分析；堤防渗控措施的比较和优化；土体湿化以及湿化变形的计算；土体渗流场和应力场的耦合计算问题。

The main work can be summed up as follows: Firstly, we studied the thermal-field properties of VCSELs, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. Secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of VCSELs, and then studied the influences of the oxide-confining region with different position or thickness, and the different sizes of the gain-guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. Thirdly, we realized the coupling of electricity, optical and thermal-fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, Fermi levels and optical-field. Finally, we gave the equipotential line distributions with considering N-DBR and double oxidized-confining regions, and analyzed theinfluences of N-DBR and double oxide-confining regions on the distributions of the current density, carrier concentration, temperature and optical-field.

具体工作可以概括如下：首先，研究了VCSEL的热场特性，分析了电流扩展，材料参数和工作条件对于温度分布的影响；其次，从电极电压入手，计算出激光器中的等势线分布，并对不同深度处的电压和电流分布进行比较，研究了高阻区的不同位置和不同厚度、限制层和出射窗口半径的大小对电流密度、载流子浓度和温度分布的影响；再次，实现了电、光、热耦合，求出了阈值电压，计算了不同偏置电压下的电流密度分布、载流子浓度分布和热场分布，分析了温度和载流子浓度变化对折射率、费米能级和光场的影响；最后，给出了考虑N-DBR和双氧化限制层时激光器中的等势线分布，分析了N-DBR和双氧化限制层对VCSEL电流密度、载流子浓度、温度和光场分布的影响。

The law, which equivalent inductance and effective permeability of magnetic core vary with field current under the excitation of high frequency and large power, is discovered, and this will offer an important reference for the reasonable selection and effective use of material in the design of high frequency large power magnetic components.

在对高频功率磁元件测试中的影响因素进行深入研究的基础上，推导出方波、占空比可调矩形波、单极脉冲波及周期变化的任意波激励下磁元件测试与正弦波激励情况的等效，为解决磁元件在高频任意波激励下的在线检测提供了依据。

It is characterized by that after the UV lamp is evacuated, its interior can be filled with inert gas, mercury vapour or metal halide vapour and mixture of the above-mentioned gases. Said light source can be used for implementing disinfection and sterilization of gas, liquid and solid, photochemical synthesis of chemical substance and UV etching and UV information erasion of electronic material and device.

该光源由微波激发灯体内的特定气体电离产生等离子体发出紫外线光，能够实施对气体、液体、固体的消毒、灭菌以及通过紫外线实施对化学物质的光化学合成和对电子材料和器件进行紫外刻蚀、紫外信息擦除等，该微波紫外光源具有无电极、无镇流器，功率大、启辉迅速、寿命长、能耗低、效率高等特点。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。