在核爆点半英里内，辐射中毒引起的死亡会在十二小时内发生。
Within a half-mile from ground zero, death from radiation poisoning will occur within twelve hours.
核爆炸散发的放射物是致命的。
核爆炸向海洋释放了放射性粒子。
Nuclear explosions have released radiative particles into the sea .
核爆是最具毁灭力量的大规模杀伤武器。
Nuclear detonations are the most devastating of the weapons of mass destruction.
核爆炸中子的减弱包括几种不同的现象。
The attenuation of neutrons from a nuclear explosion involves several different phenomena .
地震检波器不仅要监测地震，也要监测非法的核爆炸。
Seismometers listen out not just for earthquakes but also for illicit nuclear explosions.
在条约生效之前，我敦促所有国家暂停所有核爆炸。
Pending the treaty's entry into force, I urge all States to implement a moratorium on all nuclear explosions.
核爆通常被划分为空中爆炸、地面爆炸、地下爆炸和高空爆炸。
Nuclear explosions are generally classified as air bursts, surface bursts, subsurface bursts, or high altitude bursts.
核爆炸会产生眩目的闪光、灼热和具有破坏力的强风。
A nuclear blast produces a blinding flash, burning heat and crushing wind.
美国大使约翰·鲁斯将会为核爆受害者献上花圈以示缅怀。
U. s. Ambassador John Roos is expected to lay a wreath at the memorial in remembrance of the bomb victims.
如果条件存在，核爆产生的放射性尘降物会随风漂移数百英里。
Fallout from a nuclear explosion may be carried by wind currents for hundreds of miles if the right conditions exist.
高海拔核爆炸1000英里以内的大部分电子设备都有可能受到影响。
Most electronic equipment within 1, 000 miles of a high-altitude nuclear detonation could be affected.
高海拔核爆炸1000英里以内的大部分电子设备都有可能受到影响。
Most electronic equipment within 1,000 miles of a high-altitude nuclear detonation could be affected.
空军一号配有一间健身房，电子防御装置和能使其免受核爆炸破坏的外壳。
Air Force One has a gym, electronic defence units and shielding to protect it from nuclear blasts.
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。
This is because the tremendous heat produced from a nuclear blast causes an up-draft of air that forms the familiar mushroom cloud.
由于核爆时每单位质量所释放的巨大能量，爆炸中心将产生数千万摄氏度高温。
Because of the tremendous amounts of energy liberated per unit mass in a nuclear detonation, temperatures of several tens of million degrees centigrade develop in the immediate area of the detonation.
然而，遵循小巧即好的思维定式，军事规划者们已研发了运用类似原理且无须核爆的武器。
But, by thinking smaller, military planners have developed weapons that use a similar principle, without the need for a nuclear explosion.
他说，结果“造成了最为壮观的一次非核爆炸，火焰甚至可以从太空中看到。”
The result, he said, “was the most monumental non-nuclear explosion and fire ever seen from space.”
核爆释放的能量将以三种不同的形式传递给周围环境：冲击波、热辐射和核辐射。
The energy of a nuclear explosion is transferred to the surrounding medium in three distinct forms: blast; thermal radiation; and nuclear radiation.
但是，所谓的次危级的试验获得了禁核条约的批准，并且能让核爆过程更有把握。
But so-called subcritical tests are allowed by the test-ban treaty, and that may add confidence to the process.
空中爆炸指的是核爆发生在海拔30公里以下，且火球有足够高度不接触到地面。
An air burst is an explosion in which a weapon is detonated in air at an altitude below 30 km but at sufficient height that the fireball does not contact the surface of the earth.
它能使伽马射线嗅探器工作——嗅探100英里外核爆炸并立即关闭所有通风口。
It activates a gamma-ray detector that will spot a nuclear blast as much as 100 miles away and instantly shut all the airvents. He had it tested before moving in.
有一种方法可以说清楚这个问题：即把核爆炸的能量与地球转动的能量作一次比较。
One way to see this is to compare the energy of a nuclear blast to that of the rotational motion of the Earth.
本文简要地介绍了通信防护的最新课题(核爆电磁脉冲防护)的研究现状及意义。
In this paper, a brief account of the protection (?) gainst the harmful effects from NEMP (Nuclear Electromagnetic Pulse) is given.
当Szilard告诉他核爆炸的链反应时，爱因斯坦吃惊地说：“我从未想过那些”。
When Szilard told Einstein about chain reactions, he was astonished: "I never thought about that at all," he said.
唯一能够证实的放射性生物学的影响就是核爆炸发生时的年轻人的甲状腺癌的人数有所增加。
The only proven radiobiological effect has been an increase in thyroid cancer in those who were young at the time of the accident.
唯一能够证实的放射性生物学的影响就是核爆炸发生时的年轻人的甲状腺癌的人数有所增加。
The only proven radiobiological effect has been an increase in thyroid cancer in those who were young at the time of the accident.
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