查询词典 shock wave

This dissertation is devoted to a very important equation system among differential equation systems------quasi-linear equation system, as is a important topic of equation system(especially when discussed shock wave solution), Often appear in such research fields as Hydrokinetics, the semiconductor establishes in physical theory ,Chemical reaction theory , project, Biology , Communication and Ecology etc.

中文摘要：本论文主要研究了微分方程中的一类很重要的方程组——拟线性方程组，它是微分方程的一个重要的课题，常常出现在流体动力学、半导体设置的物理理论、化学反应理论、工程、生物、通信和生态等研究领域中。

This paper develops a theoretical model of the heat radiation effect and the shock wave characteristics for liquid hypergolic rocket bipropellant explosion,as well as the explosion experimental method.

建立了自燃液体火箭推进剂爆炸热辐射效应和冲击波特性理论模型，介绍了实验研究的方法，给出了N2O4／UDMH液体推进剂爆炸产生的火球直径、火球温度、火球辐射热流、爆炸冲击波超压值等参数计算与实验观测结果，结果表明计算结果与实验观测结果吻合。

It is discovered by the test during initial stage of linear charge explosion that the main forces for fragmentation are the shock wave and the gas pressure.

试验发现条形药包爆炸初期，破裂的发展主要由冲击波和高压气体膨胀力驱动。

The capacitance is 4.1μF,initial voltage is 10kV,and interelectrode gap is 7mm.The measured pressure of the first and second shock wave is 1.55MPa and 0.55MPa respectively.

通过压力传感器测得放电所产生的冲击波和气泡首次回胀时产生的冲击波在离通道 0 3m处的峰值压力分别为 1 5 5MPa和 0 5 5MPa ，模拟计算所得的峰值压力分别为 1 0MPa和 0 3 8MPa ，两者基本相符。

Calculate what forecasted the pressure coefficient of wing section surface as a result to distributing, the circumstance such as isopleth of the position of average rate section plane, shock wave, Mach number.

计算结果猜测了翼型表面的压力系数的分布、平均速度剖面、激波的位置、马赫数等值线等情况。

Using the Conservation Law of mass, momentum, energy in the form of Euler and equation of the thermodynamics, the interaction between the shock wave and the wall surface of the excavation roadway during the gas explosion is discussed.

文章建立了瓦斯爆炸冲击波的管道物理模型，利用Euler形式的动量、质量、能量守恒方程和热力学方程从理论上解析了瓦斯爆炸过程中爆炸冲击波与掘进巷道壁面相互作用中正反射和斜反射时波阵面上的各个参数，并给出了计算公式和简化公式。

Combining with the theory of the conservation law of mass,momentum,energy and gas explosion dynamics,the attenuation law of shock wave in excavation roadway was deduced during gas explosion.

运用质量守恒、动量守恒和能量守恒定律及爆炸气体动力学理论等，对掘进巷道瓦斯爆炸冲击波的衰减规律进行研究。

In acoustic position system of light-armed gun shooting point,the key for precise position is to get the accurate time characteristics of shock wave signal from both trajectory and muzzle.

轻武器射击点的声定位系统中，准确获取弹道波信号、枪口冲击波信号的时间特征值是实现精确定位的关键。

Objective To evaluate the effect of therapeutic touch in pain control for the patients with urinary calculi and received extracorporeal shock-wave lithotomy.

目的评价治疗性触摸在泌尿系结石体外震波碎石术中疼痛控制的作用。

Among these patients, 4 had received extracorporeal shock-wave lithotomy previously.

对22例输尿管上段结石行MPCNL治疗，其中4例曾行体外冲击波碎石治疗。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。