爆炸极限是评定可燃气体火灾爆炸危险的主要指标之一。
The explosive limit is one of main index to judge explosion fatalness of fuel gases.
岩石中装药爆炸产生的爆破能量可分为爆炸冲击波能量和爆生气体膨胀能量。
The explosive energy of charge in rock is composed of shock wave energy and gaseous explosive energy.
同时指出参与爆炸的瓦斯量、瓦斯气体浓度和火源个数及分布位置对瓦斯爆炸传播有重大影响。
In the meantime, the concentration of the combustible gas and the number and distributive location of fire source have influence on the gas explosion propagation seriously.
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 effect of blasting on the rock medium is composed of the dynamical pressure of explosive shock wave and quasi-static pressure of explosive gas.
所以分析采空区可燃性气体爆炸特性，对抑制瓦斯的爆炸、防止灾害的发生具有重要意义。
Therefore the analysis is about the characteristic of gob combustibility gas, to suppresses the gas explosion, prevented the disaster the occurrence has the vital significance.
本文以管状空间内气体爆炸理论为基础，系统地研究了矿井巷道瓦斯爆炸的传播规律。
The dissertation is on the basis of gaseous explosion theory in tubular space, analysis propagation law of gas explosion in mine roadways.
对H2，CO双元爆炸性混合气体的爆炸特性进行了系统的研究。
The explosive characteristics of the air system containing binary explosive gas mixture of H2 and CO were studied.
文章阐述了爆炸性粉尘环境、爆炸性气体环境危险区域的范围划定，防爆电气设备的标志、防爆电气设备的选型及爆炸性环境电气线路的设计。
This paper presents the classification of zone for hazardous area, marking for ex electrical equipments, selection of ex equipment and the design on electrical wiring used in explosive atmosphere.
刚性飞片在炸药爆炸作用下的一维抛掷问题，仅当爆炸气体多方指数等于三时可以求得解析解；
The one-dimensional problem of the motion of the rigid plate under explosive attack has an analytic solution only when the polytropic index of detonation product equals to three.
说明掌握和运用调查认定可燃气体爆炸原因的“三要素”和与炸药爆炸的“三大区别”的重要性。
The importance of mastering and applying the "three factors" to determine cause of flammable gas explosion as well as its "three differences" from the explosion caused by explosive was emphasized.
爆炸性环境中的爆炸混合物以气体、蒸气或薄雾形式连续出现或长时间存在的场所。
A place in which an explosive atmosphere consisting of a mixture with air of flammable substances in the form of gas, vapour or mist is present continuously or for long periods.
针对目前尚无统一的化工设备气体爆炸时爆破片安全设计标准的现状，提出了一种可用于气体爆炸作用下爆破片安全设计的新方法———模拟安全设计。
A simulating safety design of bursting disc for venting of gas explosion is proposed because no uniform standard can be used for chemical equipment presently.
研究结果表明，管内瓦斯爆炸过程中所产生的爆炸波有两个峰值，第一峰值为爆炸波压力，第二峰值压力为火焰到达后加热气体升压所致。
The result shows that there are two peak values, the first one is explosion wave pressure; the second is caused by the hot gas, which is heated by the subsequent flame.
有效地预测爆炸超压，研究可燃气体爆炸成灾模式及其防治技术具有重要的社会意义和经济意义。
It has important social and economical signification to predict the explosion overpressure effectively, and study the disaster pattern and control methods of flammable gas explosion.
研究结果表明，加热炉运行全过程中可燃气体含量较少且远低于烟气混合物爆炸极限，不存在爆炸危险；
The result shows that the content of combustible gas is far lower than the lower explosive limits and there is no the explosion danger in heating furnace.
为研究矿井瓦斯中含有的氢气及重烃组分对瓦斯爆炸下限的影响，建立了多组分瓦斯混合气体爆炸实验系统。
Experimental studies on the effect of hydrogen and heavy hydrocarbon on lower explosion limits of gas.
矿井火区可燃性混合气体爆炸危险性的判断，目前常用单纯的瓦斯爆炸三角形判别法。
Methane explosion triangle method, which is commonly applied to judge the explosion risk of mixed inflammable gases in the mine fire district, considers only the main component gas.
气体爆炸是工业生产和生活领域中爆炸灾害的主要形式之一。
Gas explosion is a main form of explosion disaster in the industrial process and life area.
建立了管内可燃气体燃烧爆炸和爆炸抑制的试验研究系统，该系统测试响应时间小于0.001秒，测量精度为0.5%。
The experimental system is set up for combustion explosion and explosion suppression of in-pipe combustible gas. The testing response time of the system is less than 0.001s.
四于作业场所有引火性液体之蒸气或可燃性气体滞留，达爆炸下限值之百分之三十以上，致有立即发生爆炸、火灾危险之虞时。
When vapors of flammable liquid or combustible gas stagnate in job site , reaching 30% or more of the lower explosion limit, dangers such as explosion and fire may occur imminently;
我厂始建于1993年，现能生产100多个系列800多个规格型号，可用 于爆炸性气体环境和爆炸性粉尘环境的防爆专业厂。
The traffic condition is very convenient. The factory was set up in 1993 and can manufacture more than 100 series products of over 800 types.
我厂始建于1993年，现能生产100多个系列800多个规格型号，可用 于爆炸性气体环境和爆炸性粉尘环境的防爆专业厂。
The traffic condition is very convenient. The factory was set up in 1993 and can manufacture more than 100 series products of over 800 types.
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