Dynamical characteristics of gas explosion and its transmission process during the course of coal resource exploitation were studied, and the preventive measures og gas explosion were discussed.
研究了煤炭资源开采过程中诱发的瓦斯爆炸机理及其传播过程中的动力特性,探讨了瓦斯爆炸事故的预防对策。
The effect of blasting on the rock medium is composed of the dynamical pressure of explosive shock wave and quasi-static pressure of explosive gas.
爆炸荷载对爆破介质的作用是由爆炸冲击波的动态作用和爆轰气体的准静态压力作用两部分组成。
The velocity distribution function of the electron gas is measured by using Franck-Hertz experiment instrument, and the dynamical process of collision between electron and argon atom is analyzed.
利用夫兰克-赫兹实验仪测量了电子气体的速度分布函数,并分析了电子与氩原子碰撞的动力学过程。
Coal (rock) and gas outburst is one of intense natural disaster, is also a complicated and dynamical phenomenon, caused by stress, gas pressure of coal bed as well as coal structure.
煤(岩)与瓦斯突出是煤矿严重的自然灾害之一,且是一种复杂的动力现象,是地应力、煤层中的瓦斯压力和煤的结构力学性质综合作用的结果。
This paper puts forward conception of static gas solution and dynamical gas solution, and comes out formula of the relative saturation degree of dissolved water, and considers .
认为在溶气和释气过程连续进行时,静态溶气时溶气水达到饱和需时较长,因此,溶气水中溶气量的高低主要取决于动态溶气效。
In this paper, we treat the dynamical form factor of one-dimensional kink-phonon gas as a whole by projection operator technique.
本文采用投影算子方法统一处理了一维扭析声子耦合气体的动力结构因数。
The Construction and gas flow dynamical property and their practical application about these atomizers were simply introduced in the paper.
本文简扼地介绍了这两种喷嘴的结构,气体流动力学性能以及它的实际应用结果。
An example provided in the case of wind is increased, which shows the dynamical balance feature between the air pressure in working face and gas pressure in the goaf.
给出增大风量后瓦斯分布的算例,由此反映出工作面风压与采空区内部瓦斯压力的动态平衡性。
By dynamical collecting respirators gas press signal on line and drawing gas press signal wave, this system can measure respirators press values and analyze presss stability.
利用数据采集技术实时在线采集了呼吸机压力的动态变化量,并且将变化量绘制成波形图。
The study of gas-liquid two-phase flow has important applications in engineering, such as oil, atomic energy, aerospace, dynamical and chemical engineering, etc.
气液两相流的研究在石化工程、原子能工程、航天工程、动力工程及化学工程中均具有重要的研究价值。
So this method provides an effective means for studying the dynamical characteristic of gas filled ionization chamber.
该方法为电离室动态特性的研究提供了一种有效手段。
This invention relates to a natural gas engine for the dynamical engineering area.
本发明涉及一种动力工程领域中的天然气发动机。
This invention relates to a natural gas engine for the dynamical engineering area.
本发明涉及一种动力工程领域中的天然气发动机。
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