数十年来,天文学家们一度怀疑一种更寂静的恒星爆炸的存在——称之为“对不稳定”超新星,其能量超过普通超新星100倍。
For decades astronomers have suspected the existence of a type of stellar explosion that is bigger still-a "pair-instability" supernova, with 100 times more energy than an ordinary supernova.
然而,一个系统若不能在某一平衡点上保持稳定,就与一场爆炸一样不堪,死得也一样快。
Yet unless a system stabilizes to an equilibrium point, it is no better than an explosion and just as soon dead.
但是这起爆炸仍然提醒了我们,无论其如何大肆宣传,印度仍不是一个完全处于和平稳定状态的国家。
But the bombings serve as a reminder that India, despite all the hype, is not a country wholly at peace.
问:巴基斯坦昨天发生一起严重的爆炸事件,警方称有100多人在爆炸中丧生,我的国家为维护世界和平与稳定作出了巨大的牺牲。
Q: A serious explosion occurred in Pakistan yesterday. The police said more than 100 people died in the explosion.
这就导致了一个与恒星的温度,压力不稳定,引发了毁灭性的爆炸,甩明星进入空间仍然存在。
This leads to an instability between the star's temperature and pressure, sparking a devastating explosion that flings the star's remains into space.
自不稳定核之间存在着锕系元素,包括钍和稳定核像灌了铅,铋,爆炸性事件,如超需出示锕。
Since the unstable nuclei exist between actinides, including thorium and stable nuclei like lead and bismuth, explosive events such as supernovae are required to produce actinides.
地心地球一直以来都是稳定的,除了近期鲸鱼爆炸事件在一段时间内造成了地心极光碎裂及巨大浩劫以外。
The inner earth has been stable except for the recent whale implosion which cracked the aurora and reeked havoc for a time.
研究表明,爆炸衬砌可以使砂浆和土壤形成稳定的衬砌结构,自由面是影响砌体形状的一个重要因素。
Research indicates that mortar and soil could be pressured into a stable lining structure through explosive lining. Free face is one of the important factors influencing shape of the lining shell.
这种结构能有效的控制混凝土在爆炸冲击荷载作用下的开裂、震塌,限制结构的变形,增强结构稳定性。
Its effect of controlling the concrete's crack and crush, decreasing the structural deformation and improving the structural stability is marked.
PHV在唐山地区的实验结果证明它能够稳定、有效的工作,而且优于其它非爆炸性震源。
Experiments in Tangshan area demonstrated that PHV works efficiently and stable, and has advantages over other non-explosive seismic source.
本文研究部分电离等离子体中交换不稳定性的爆炸型模耦合。
Explosive mode coupling of low frequency interchange instability in partially ionized plasmas is studied.
该新材料是一种稳定的有机固体,其化学式为Na2B10H10,相比于传统电池有较小的泄漏和爆炸风险。 另外,当加热时它能够提供更高的功率输出,同时也能高效地传导钠离子。
The new material, which has thechemical formula Na2B10H10, is a stable organic solid and carries a smaller risk of leakage or explosion when compared to traditional batteries.
研究表明,爆炸衬砌可以使砂浆和土壤形成稳定的衬砌结构,自由面是影响砌体形状的一个重要因素。
Research indicates that mortar and soil could be pressured into a stable lining structure through explosive lining. Free face is one of the important factors influencing shape of the...
应用在药型罩表面贴附惰性隔板的方法可以研制出尾翼稳定的爆炸成型弹丸(efp)。
Attaching covers on the shaped liner, an explosively formed projectile (EFP) with stabilizing fins can be produced.
就添加物对硝酸铵热稳定性及爆炸性的影响研究的最新进展情况进行了系统介绍。
The new research progress of the effect of additives on thermal stability and explosivity of the ammonium nitrate is systematically introduced.
指出可能是发生了声振不稳定燃烧压力峰造成的,并相应给出减小厨房天然气爆炸危害度的几点建议。
The disaster may be caused by unstable combustion pressure peak of sound vibration. Suggestions on how to reduce the explosion hazard in kitchen have been given.
核电站内的大火、爆炸持续威胁着核反应堆的稳定。
Fires, explosions at the plant have threatened the stability of the nuclear reactors.
成功研制了高能炸药抽运光解碘激光器系统,实现了爆炸激光器装置的稳定激光输出,并获得了近百焦耳的激光输出能量。
A set of high explosive pumped photolytic iodine laser system was built and a steady laser output of approximate 100 J was obtained in experiments.
成功研制了高能炸药抽运光解碘激光器系统,实现了爆炸激光器装置的稳定激光输出,并获得了近百焦耳的激光输出能量。
A set of high explosive pumped photolytic iodine laser system was built and a steady laser output of approximate 100 J was obtained in experiments.
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