模拟实验

At last, the results of the theory, the numerical simulation and the experiments are summarized. It is concluded that the thickness of the ablator should try to reach the critical thickness.

最后，我们总结了理论、数值模拟和实验三方面的结果，提出了在不出现严重二维效应和卸载波效应的前提下，烧蚀层厚度应当达到临界厚度的设计原则。

Finally, we test the velocities of three flyers with ablator of different thickness, the result indicates that we can measure the velocities of flyer which can further calculate the released particle velocities, and validate the verdict of theory and simulation.

最后，实验实测了三种烧蚀层厚度不同的飞片的飞行速度，结果表明飞片法可以测得飞片速度，进而求解粒子速度，而且证实了理论和数值模拟的结论。

The results of numerical simulation are in accordance with that of experiments.

结果表明，数值模拟得到的流场结构与实验结果一致。

a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

In Chapter 2, basic theories of acoustic wave and electromagnetic wave are reviewed.

本文从理论分析和实验研究两个方面，讨论了电磁散射特性的声波模拟测量方法。

O. Box 1021,Beijing 102201Abstract:The inactive experiment of removing actinides from simulated HLLW by TRPO process is completed.

采用微型离心萃取器进行了TRPO流程从模拟高放废液中去除锕系元素的冷实验。

The rate of TSR in geologic settings is limited by temperature and activation energy.

文章最后提出今后的研究方向应是在地质例证的同时结合实验模拟。

The simulation using MCGA to denfend the attack of address resolution shows that MCGA method is fully effective.

对邻居发现协议的地址解析功能进行了模拟攻击，并利用所提出的MCGA地址验证进行了防御实验，结果表明，MCGA方法是十分有效的。

In the past twenty years continued interests have been focused on adiabatic rapid population transfer and coherence in atomic or molecular system. The stimulated Raman adiabatic passage process has been intensively studied experimentally, analytically, and numerically.

近二十年来，随着科学研究的不断进步，人们对运用绝热快速通道控制原子或分子的布居数和相干性产生了较大的兴趣，并运用受激拉曼绝热过程进行了数值模拟、实验和分析。

In this paper, the problems mentioned above are studied by both wind tunnel experiment and numerical simulation to improve the knowledge about aeolian grain transport, and impel the development of this subject.

因此，本文通过风洞实验和数值模拟对以上问题加以深入研究，以深化对风成地表颗粒物输运规律的认识，推进学科的发展。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。