结合原理

This paper introduces the working principle and blockdiagram of impulse magnet controlled discharge method that is used in the vacuity tester. The problems encountered in practice are discussed. The slight higher measuring result and incomplete discharge problem encountered in application are also analyzed. Finally, points for attention in future use are remarked.

介绍了真空度测试仪采用的脉冲磁控放电法测试原理和电路框图，并结合实际测试中遇到的问题展开讨论，分析了该仪器在使用中测试结果偏大以及放电不彻底等问题的原因，并对今后试验中需注意的事项提出了建议。

Major research work and conclusions are summarized as follows:1 The development of molecular distillation are reviewed in respect of the principle, model research and application; The technical and structure parameters are analyzed with respect to the evaporation rate and separation factor.2 Based on analysis of heat transfer and mass transfer process in WFMD, the discretization forms of bow wave ordinary differential equations and film partial differential equations are obtained with Runge-Kutta method and finite difference method respectively.

主要工作与研究结果如下： 1 综述分子蒸馏技术的应用及其发展现状，从分子蒸馏技术的原理、模型研究及其应用的发展等进行了系统评述；并结合蒸发速率和分离效率这两个评价分子蒸馏效果的重要指标，对刮膜分子蒸馏器工艺参数与结构参数进行了分析与讨论。

The relationship between run-up and take-off in broad jump is analysed through thesimple principles of mechanies.

通过简单的力学原理，分析了跳远中助跑与踏跳的相互关系，论证了只有将二者有机地结合起来，才能取得优异成绩。

According to the basic theories of Brownian motion, a mixing search model is proposed.

基于网络上的布朗粒子运动基本原理，提出了一种单粒子和多粒子相结合的混合搜索模型。

In this thesis, sound wave path equation is derived from Fermat's theorem and the calculus of variations, and then the temperature field is reconstructed by the combination least-square method and the modified sound wave path.

本文通过求解由费马定理和变积分原理确定的声波路径方程，结合最小二乘法实现了声波路径的修正。

Then the performance of the system was compared with the other systems, and a kind of time synchronization and carrier wave synchronization method was introduced.

分析了其调制原理，和体制性能，与其他体制作了简单比较，并针对解调结合现有算法，提出了载波同步和定时同步的实现。

In order to enhance the bio-nitrogen and phosphorus removal of the modified Carrousel oxidation ditch process,the treatment performance,the principle of bio-nitrogen and bio-phosphorus removal have been discussed,at the same time the influencing factors to the effluent quality have been analyzed from the operation practice for 3 years.

为了提高改良型Carrousel氧化沟工艺污水处理厂的脱氮除磷效果，结合某污水处理厂3年的运行实践，讨论了该工艺的处理效果，生物脱氮除磷原理及影响出水效果的因素。

In this paper,we mainly discussed the CBR in real estate property appraisal expert system.

结合房地产估价专家系统，着重论述了基于案例推理的基本原理及实现过程。

According to the basic principles of information theory, computer graph processing and the chromatics, this thesis mainly researches on the theory and applications of the color images watermark using the characteristics of the human visual system.

本文首先根据信息论、计算机图形处理和色彩学中的基本原理，结合人眼的视觉系统特性，对彩色图像水印的理论与应用进行了研究，然后讨论了如何对水印图像进行反色和置乱预处理，尤其是对水印嵌入过程、水印提取过程和水印攻击方法等进行了深入探讨，并最终设计实现了1套完整的具有水印嵌入与提取功能的实验软件。

According to the basic principles of information theory, computer graph processing and the chromatics, this thesis mainly researches on the theory and applications of the color images watermark using the characteristics of the human visual system. And then it discusses the preprocessing method such as Image color inversing and image disordering, especially the method of watermark embedding, watermark extracting and watermark attacking etc. At last, an experimental system about watermark embedding and extracting are accomplished.

本文首先根据信息论、计算机图形处理和色彩学中的基本原理，结合人眼的视觉系统特性，对彩色图像水印的理论与应用进行了研究，然后讨论了如何对水印图像进行反色和置乱预处理，尤其是对水印嵌入过程、水印提取过程和水印攻击方法等进行了深入探讨，并最终设计实现了一套完整的具有水印嵌入与提取功能的实验软件。

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。