模拟实验

Lasers characteristic as a shock wave drive and the advantages of KrF laser are explained. Finally, the progress at home and abroad is enumerated.In chapter two, the basic principle of the EOS study is introduced. Specially, the impedance mismatch effect of the double-layer flyer is mentioned here. It is the primary theoretical basis of this paper.In chapter three, a one-dimension, three-temperature hydrodynamic code HYADES is introduced briefly. it is used to make a qualitative analysis about how the thickness of ablator affect the flyer velocities and stability.In chapter four, the experimental setup is described.

第一章为绪论部分，简要总结了状态方程研究的历史，激光作为冲击波驱动源的特点和KrF激光的优势，以及国内外的进展情况；第二章是本工作的理论基础，讨论了冲击波物理和雨贡纽曲线测量的基本原理和方法，重点介绍了激光飞片法的特点、关键要素和双层飞片的阻抗失配效应，鉴于KrF激光短波长和长脉宽的特点，我们拟对双层飞片的特性展丌研究工作，为实测状态方程做好准备；第三章简单介绍了一维三温流体力学数值模拟程序Hyades并运用它进行了若干状态方程实验的计算和设计，进行了烧蚀层厚度对飞片速度、稳定性的影响的定性分析；第四章是实验平台描述部分，介绍了光束平滑化技术，靶的制作，条纹相机的原理和使用，系统同步控制以及光学记录速度干涉仪系统的简单原理和构成。

Laser's characteristic as a shock wave drive and the advantages of KrF laser are explained. Finally, the progress at home and abroad is enumerated.In chapter two, the basic principle of the EOS study is introduced. Specially, the impedance mismatch effect of the double-layer flyer is mentioned here. It is the primary theoretical basis of this paper.In chapter three, a one-dimension, three-temperature hydrodynamic code HYADES is introduced briefly. it is used to make a qualitative analysis about how the thickness of ablator affect the flyer velocities and stability.In chapter four, the experimental setup is described.

第一章为绪论部分，简要总结了状态方程研究的历史，激光作为冲击波驱动源的特点和KrF激光的优势，以及国内外的进展情况；第二章是本工作的理论基础，讨论了冲击波物理和雨贡纽曲线测量的基本原理和方法，重点介绍了激光飞片法的特点、关键要素和双层飞片的阻抗失配效应，鉴于KrF激光短波长和长脉宽的特点，我们拟对双层飞片的特性展丌研究工作，为实测状态方程做好准备；第三章简单介绍了一维三温流体力学数值模拟程序Hyades并运用它进行了若干状态方程实验的计算和设计，进行了烧蚀层厚度对飞片速度、稳定性的影响的定性分析；第四章是实验平台描述部分，介绍了光束平滑化技术，靶的制作，条纹相机的原理和使用，系统同步控制以及光学记录速度干涉仪系统的简单原理和构成。

We have conducted the simulation with 100 nodes, the outdoor experiment with 15 ZigBee physical nodes, and the air-raid shelter tunnel test with 10 ZigBee nodes.

文中 完成了 100 个节点的仿真实验，个 ZigBee 网络硬件节点的室外实验以及 10 个 ZigBee 硬件节点的防空洞模拟矿井应用实 15 验。

With analogue computer employed as controller, expriemental open and closed loop tests are performed.

用模拟计算机作为控制器，进行了开环、闭环实验，实验结果表明取得较好的控制效果。

The calculated temperature profile exhibited the existence of thermosphere and phase transformation and required a time period of 2 min for the cooling cycle,which Was in agreement with the experimental data for the inner layer of the HDPE sample.

通过对制件芯层温度变化的模拟值与实验值的比较，比较了不同相变温度下理论结果的准确性，结果表明，在引入一定过冷度后，将相变温度定义在低于平衡熔点以下时，该方法的模拟值具有更好的准确性。

Under the circumstance of no digital-analogic simulation system in simulative laboratory this paper presents a dynamic physical simulative method of flight control system for a remote pilotless aircraft on an anologue computer,in which the nonlinear equation of six degrees-of-freedom is adopted and the disturbance of gust is processed.

在不具备数模混合仿真实验的条件下，本文提出了在模拟计算机上，无人驾驶飞机六自由度非线性全量方程的飞行控制系统动态物理模拟仿真和对阵风扰动处理的方法。

To investigate the ohmic contact of low resistance and high stability, the energy band models of n- and p-type SiC ohmic contact formation mechanism are put forward.

研究了TRIM模拟的结果和实验值之间存在的差异，发现可以用PearsonⅣ型函数对TRIM模拟的结果进行修正，能适当的解决沟道效应的影响。

The cold rotary forging forming process of car differential bevel gear was simulated by FEM,and was researched through experiment.

对轿车差速器锥齿轮的冷摆辗成形过程进行三维刚塑性有限元模拟和实验研究，利用三维有限元软件-DEFORM模拟其成形过程中的金属流动充填规律和变形力学特征，揭示了其精密成形过程的变形机理。

The results of electrochemical measurements indicated that in the presence of indomethacin powder it slightly increased the corrosion rate of copper if pH of the fluid was not under control and it did not change the corrosion rate if the pH was daily adjusted to maintain constant roughly. The experimental results for medication by indomethacin releasing silastic were basically the same as those with powdery indomethacin.

结果表明在不调整介质pH的情况下，由于消炎痛有使介质pH降低的作用，因此使铜的腐蚀速度略有上升；在调整模拟宫腔液的pH保持恒定的情况下，消炎痛几乎不影响铜的腐蚀速度；通过消炎痛缓释硅橡胶加药的实验结果与直接加药基本相同；在模拟宫腔液中，添加消炎痛具有促使铜的腐蚀产物中不溶性产物Cu〓O膜生成的作用，消炎痛使Cu〓O生成的量增加且致密。

The governing equation with chemical reacting flow is established. Using time splitting algorithm, the convection term is solved with the second-order Godunov method and the chemical reaction is coped with two-step model. Standing oblique detonation waves induced by an accelerating projectile are simulated numerically. The results are compared well with the data of the experiments.

建立了含化学反应流体流动的数值模拟模型，用时间分裂法对对流项和化学反应项分别采用高阶Godunov格式和两步反应模型进行处理，对锥形斜爆轰波和驻定在飞行弹丸上的斜爆轰波流场进行了数值模拟，得到了与实验现象相吻合的计算结果。

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％。