本文利用间断伽辽金法对自由空气爆炸进行了数值模拟。
In this paper, discontinuous Galerkin method (DGM) is used to numerically simulate spherical explosion in air.
当地时间3点40分，福岛第一核电站一号反应堆发生爆炸，4名工人受伤，放射性物质已扩散进入空气中。
The explosion at the No.1 plant’s No.1 reactor about 3:40pm local time injured four workers and vented radioactive material into the air.
但最后，当我指出他不过是一个糟糕的语言习惯的时候，巨大的爆炸发生了，空气从四面八方冲进来，那令人厌恶的形状消失了。
But at the last, when I denounced Him as a bad linguistic habit, there was a vast explosion, the air rushed in from all sides, and the horrid shape vanished.
如果暴露在空气之中，可能会着火和爆炸，从而散发放射性微粒。
If left exposed to air, they may catch fire or explode, spreading radioactive particles into the air.
随着残骸和火焰的坠落，街上的汽车开始爆炸。空气中弥漫着烟尘和混凝土的气味——那种风镐敲碎路面时发出的气味。
As fire and debris fell, cars blew up; the air smelled of smoke and concrete, that smell that spits out of jackhammers chewing up pavement.
核爆炸会释放出高能量的光和热，破坏力巨大的压力波，而且四处飘散的放射性物质会污染数周围英里内的空气，水，和地表。
A nuclear blast is an explosion with intense light and heat, a damaging pressure wave, and widespread radioactive material that can contaminate the air, water, and ground surfaces for miles around.
在可燃范围内的氢和空气的混合物可能爆炸，也可能燃烧，火焰是淡蓝色，几乎看不见。
Hydrogen and air mixtures, within the flammable range, can explode and may burn with a pale blue, almost invisible flame.
咳嗽释放的爆炸性空气的速度最高可达每小时60英里(96.56公里)。
A cough releases an explosive charge of air that moves at speeds up to 60 MPH.
昨天早上，搜救人员就已经到达矿井下，但是由于空气质量越来越差，可能会导致新的爆炸，他们不得不出来…
Crews did start down into the mine yesterday morning, but they had to come back out because the air quality got worse and threatened a new blast.
如果这样做，空气中的氧会浓缩在液氢里，造成可能的爆炸危险。
If this is done, the oxygen in the air will condense in the liquid hydrogen, presenting a possible explosion hazard.
即将爆炸或着火的粉末粒子和空气的比率范围。
Range of the ratio of powder particles to air which the mixture will explode or ignite.
空气喷发成一个爆炸力的模糊球体。
完全采用压缩空气为能源，不使用电，绝无爆炸，起火等潜在的安全隐患。
Totally driven by compressed air, no need electric power at all, no need to worry about explosion, fire risk caused by electric sparks.
但这样做有些危险，因为一旦液化气泄漏，接触到空气，便能引发爆炸。
But this is dangerous because if the liquid gas escapes and reaches the air it can explode.
大多数反应物和产物在跟空气混合的时候是易燃的，并在很大范围上具有容易爆炸的性质(即有大的爆炸极限)，如表3所示。
Most of the reactants and products are flammable and have explosive properties over wide ranges when mixed with air, as shown in table 3.
介绍了对美国一座核电站。控制系统空气管路爆炸事故的原因分析和实验研究。
This paper presents an experimental investigation and analyses to the cause of the air line explosion at a nuclear plant.
研究水煤气与空气混合时煤气的爆炸极限与所含各组分浓度之间的关系；
The relationship between the gas explosive limits and concentrations was studied as air was mixed with water gas.
植物学是解决一些世界上最紧迫的问题：如何减少空气和水的污染，如何养活爆炸性增长的人口，如何节约能源，等等。
Botany is tackling some of the world's most pressing problems: how to reduce air and water pollution, how to feed an exploding human population, how to conserve energy, and so on.
材料方法：采用压力测试方法，研究爆炸冲击波在肝、肺、血管及皮下组织内的传播特征，并与空气中的传播特征进行比较。
Materials:The transmission characteristics of explosive blast in liver, lung, vessel and tissue under skin were studied through blast pressure detection, and compared with in air.
摘要：露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
Abstract: The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards.
露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards.
粉状材料可形成爆炸性粉尘空气混合物。
用解析方法对空气中爆炸时爆炸波超压的变化规律进行了理论分析。
The regularity of blast wave overpressures for explosions in air was studied analytically.
采用它判别瓦斯与空气混合气体的爆炸危险性时，比用瓦斯浓度三角形更加全面、准确。
Using this chart to distinguish the explosion danger caused by the mixture of gas and air is more complete and accurate than the chart of gas detonation triangle.
使用时燃气预先与空气充分混合，再进行燃烧，使燃烧进行得剧烈而充分，绝对无任何爆炸危险。
Use of gas and air pre-mixed and then burning to intense burning was carried out and the full and absolute absence of any explosion hazard.
指出了某空气压缩机燃烧爆炸的原因，提出了预防该类事故发生的措施。
The causes of the explosion accident of the air compressor and the measures for prevention of such accident have been put forward in the paper.
利用原型坑道内爆炸试验，考察了破片和空气冲击波的复合作用对防护门的宏观破坏效应。
The macroscopic effects of protective door under compound action of shock wave and fragment are reviewed by explosion in Prototype tunnel.
气体的LEL是指用火源使空气中的该气体爆炸的最低气体浓度。
The LEL of a gas is the minimum concentration of that gas in air at which an ignition source will cause an explosion.
气体的LEL是指用火源使空气中的该气体爆炸的最低气体浓度。
The LEL of a gas is the minimum concentration of that gas in air at which an ignition source will cause an explosion.
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