分析了炮弹在炮膛内的运动规律,爆炸产物中物理参数与运动参数的主要变化过程。
In this paper, the motion of the shell in the bore and the variation of physical and kinematical parameters in the explosive are investigated.
而最新的研究结果表明月球水很可能是大爆炸时的岩浆冷却和结晶后的产物。
The results of the new study found that the moon's water was likely present in the hot magma from the impact as it started to cool and crystallize.
蟹状星云是,超行星在1054年,大爆炸后的产物,下节课中,我会详细讲它。
The Crab Nebula is the result of a supernova explosion that went off in the year 1054, and during my next lecture I will talk a lot more about that.
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.
分解产物是灯黑子形式的碳和氢。分解产生大量热,可能产生剧烈的爆炸。
The products of dissociation are carbon, in the form of lamp-black, and hydrogen. Considerable amounts of heat are generated by dissociation, which may produce explosions of great violence.
超微金刚石(UFD)是爆炸力学与材料科学相结合的产物。
Ultrafine diamond (UFD) is a hybrid product of explosion mechanics and material science.
根据普朗克黑体辐射定律,计算了金属桥箔和桥丝电爆炸后,等离子体产物的辐射温度。
According to Planck radiation law, the radiation plasma temperatures of the exploding foils and exploding wires were calculated.
长期以来,最起码科学家们认为情况是这样的。现在,科学家们利用计算机模拟支持了这个观点:我们的太阳是一次爆炸事件的产物。
At least scientists have long thought that's how it went, and now they have a computer model to back up the idea that our sun is the product of an explosive event.
数值研究的难点表现为:高温、高压爆炸气体产物的膨胀和结构的动力学响应问题。
The main difficulties are how to deal with the expansion of explosion gas products in state of high pressure and temperature, and the interaction of blast waves and structural responses.
该黑洞能帮助科学家解惑:大型恒星爆炸以后,它的产物到底是黑洞还是中子星;以及我们或其他银河系里到底有多少黑洞。
The black hole could help scientists better understand how massive stars explode, which ones leave behind black holes or neutron stars, and the number of black holes in our galaxy and others.
该黑洞能帮助科学家解惑:大型恒星爆炸以后,它的产物到底是黑洞还是中子星;以及我们或其他银河系里到底有多少黑洞。
The black hole could help scientists better understand how massive stars explode, which ones leave behind black holes or neutron stars, and the number of black holes in our galaxy and others.
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