The inventor Henry Bessemer discovered that directing a blast of air at melted iron in a furnace would burn out the impurities that made the iron brittle.
发明家亨利·贝塞默发现,在熔炉里对铁水直接吹一吹气,就会烧掉使铁变脆的杂质。
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.
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。
Photos from the scene show large crowds gathering near one of the blast sites with a thick plume of black smoke in the air.
来自爆炸现场的图片显示,在一个爆炸现场聚集了大批民众,爆炸现场上空升起了黑色浓烟。
The altitude of an air burst can be varied to obtain maximum blast effects, maximum thermal effects, desired radiation effects, or a balanced combination of these effects.
爆炸高度可以进行调整,以达到最大的冲击波效果、热辐射效果、放射效果,或实现三者的平衡搭配。
Traditional armor strategies use successive layers of armor with air gaps to mitigate the blast.
传统装甲策略采用连续多层装甲,利用间隙气体吸收爆炸冲击波。
This is because the tremendous heat produced from a nuclear blast causes an up-draft of air that forms the familiar mushroom cloud.
这是因为核爆产生的大量的热能会把空气往上吸入,形成令人熟知的蘑菇云状。
About 40 seconds after the explosion the air blast reached me.
在爆炸发生后约40秒冲击波才到达我这里。
In contrast with air bursts, local fallout can be a hazard over a much larger downwind area than that which is affected by blast and thermal radiation.
和空中爆炸相比,受局部核尘降影响的顺风区域要比冲击波和热辐射的影响区域大的多。
At room temperature, the slime mould moves at a slothful rate of about a centimetre per hour, but you can speed this movement up by giving the mould a blast of warm, moist air.
在室温下,这种黏菌以极慢的速度移动,大概1厘米每小时,但是你可以给它一鼓温暖潮湿的空气来加快它的速度。
The blast, which has been estimated at the equivalent of around 15 megatons of TNT is widely thought to have been caused by a meteor a few tens of metres across exploding in mid-air.
这次爆炸,其爆炸能量估计相当于约1500万吨的TNT,广泛认为是由跨度为数十米的一颗流星在半空中爆炸所造成的。
When the primary air blast wave from the explosion strikes the ground another blast wave is produced by reflection.
当爆炸引起的入射冲击波触及地面时,由于波的反射便产生另一冲击波。
Gas producers are classified according to how the air blast is introduced in the fuel column.
天然气生产商按其如何在空中爆炸的燃料专栏文章中介绍。
As the depth of burst increases the amount of energy going into the air blast wave decreases.
随着爆炸深度的增加,转化为空中爆震波的能量便减少。
Objective To compare the propagation speed and physical parameters between underwater blast wave and air blast wave.
目的对比研究水下冲击波和空气冲击波的传播速度和物理参数。
Objective To compare viscera injuries caused by underwater blast wave and air blast wave, and to provide some basis for their prevention and treatment.
目的对比研究水下冲击波与空气冲击波对生物内脏的损伤效应,为其防治提供一定的依据。
But it's the millions of homes, with furnaces or air-conditioners running full blast, that cause the problem.
但是,正是这成百上千万的让他们家里的炉子和空调全速运转的家庭造成了这个问题。
A local news anchor took the air Tuesday to blast a viewer who attacked her for being overweight.
一位地方新闻主播在周二的播报新闻时,强势回应了之前写信攻击她身材超重的观众。
When the primary air blast wave from the explosion strikes the ground, another blast wave is produced by reflection.
当爆炸引起的入射冲击波触及地面时,由于波的反射便产生另一冲击波。
The various types of damage to ships from underwater shock are defined in the same manner as for air blast.
水下冲击对船舶所造成的各种类型的损害与空气爆震所造成的损害相似。
Illustrations of the destruction caused to ships by air blast from a nuclear explosion are presented in chapter v.
关于核爆炸空中爆震波对船只造成的破坏,将在第五章说明。
The blast wind has then effectively ceased and the direct destructive action of the air blast is over.
爆震风已有效地停止了,于是空中爆震波的直接破坏作用就完结了。
On this basis, on the ground have a certain explosive charge at high altitudes to simulate the explosion has been in certain situations at high altitudes in the air blast propagation.
在此基础上,对地面有一定爆高高度装药进行数值模拟,得到了在一定爆高高度情况下爆炸冲击波在空气中传播规律。
It have been proved, at home and abroad, that oxygen-enriched air blast can intensify smelting in BF, rise productivity greatly and increase fuel injection.
国内外高炉冶炼的实践证明,富氧鼓风可以强化高炉冶炼,大大提高高炉的生产能力,增加燃料喷吹量。
As the depth of burst increases, the amount of energy going into the air blast wave decreases.
随著爆炸深度的增加,转化为空中爆震波的能量便减少。
The effect of combustor pressure on soot concentration and flame radiation was investigated in a small model gas turbine combustor with an air-blast atomizer.
在一个小型高压燃烧试验台上研究了燃烧室采用空气雾化喷嘴后,燃烧室压力对燃烧室内烟粒浓度和火焰辐射的影响。
Based on analyzing the scan and capture of region identify and duty ratio identification, the paper calculates the killing probabilities of MEFP air blast warhead by Monte carlo simulation.
文中主要针对多爆炸成型弹丸空爆战斗部,在分析区域识别和占空比识别两种不同扫描准则的基础上,应用蒙特卡洛方法计算了战斗部对目标的毁伤概率。
Finally, case studies are given which yield some characteristics of the dynamic response of the underground thin-wall rectangular structures to air-blast loading on the ground surface.
最后,通过计算实例,指出了在地表冲击波作用下地下薄壁箱形结构动力反应的某些特征。
Results show that simple structure aerovalves can be applied in PDE because it has both functions of check valve and air-blast atomizer.
结果表明,结构简单的气动阀具有单向阀和气动雾化喷嘴的功能,能够用于PDE。
The experiments of transmitted shock wave in an airtight chamber due to air-blast outside were designed and carried out.
设计进行了外部空中爆炸引起密闭容器内部次生冲击波的试验。
The experiments of transmitted shock wave in an airtight chamber due to air-blast outside were designed and carried out.
设计进行了外部空中爆炸引起密闭容器内部次生冲击波的试验。
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