核弹头

• Nuclear warheads detection is an important verification technology for nuclear disarmament treaty in nuclear disarmament process , and this technology is also concerned to the national security interests
  在核裁军过程中，核弹头探测是对核裁军条约执行情况进行核查的重要内容，它涉及到国家重大安全利益。
• The results of numeral simulation show that the higher - energy neutrons counting rate is quite low , it requires more counting time or much stronger low energy neutron source to detect the reliable signals
  计算结果表明，核弹头裂变产生的较高能的中子数很少，需要较长的时间或较强的低能中子源才能探测到可靠的信号。
• The defence , shorn of alessandro nesta who last week underwent surgery on his hand , was a little sluggish , with paolo maldini and alessandro costacurta backpedalling furiously to cope with cagliari ' s speed on the break
  然而，锋线上舍普琴科依然状态神勇，在比赛中乌克兰“核弹头”为米兰队打进了第2个锁定胜局的进球。
• In this paper , by neutron radiation detection with the passive method , the study on detectability , neutron spectra , etc . for the plutonium combined systems including the stimulated nuclear warhead assembly are introduced
  摘要介绍了通过探测中子辐射，用被动方法研究了包括模拟核弹头装置在内的各杯组合系统的可探测性和中子能谱等内容。
• If using the natural uranium to replace the heu pit in warhead , the delayed neutron counting rate would be about 3 times lower . the coincidence neutron detection is proposed to be used in nuclear warhead detection
  计算表明用天然铀替代高浓铀作的假弹头，它们的出壳缓发中子数相差约3倍，需在一定条件下，才可对真伪核弹头做出判断。
• While speculation swirls around the future of chelsea striker andriy shevchenko , it ' s emerged that blues owner roman abramovich is mapping out a role for the ukrainian when he eventually hangs up his boots
  当各种关于“核弹头”舍瓦的怀疑论调铺天盖地而来之时，有媒体披露，蓝军老板阿布拉莫维奇有意在舍瓦挂靴之后，安排他做切尔西的（总）经理一职。
• Forget nuclear warheads to stop a crash with a comet that could have cataclysmic effects such as the one that is believed to have triggered the demise of the dinosaurs , hermann burchard of oklahoma state university told new scientist magazine
  俄克拉荷马州立大学的赫尔曼-伯恰德对新科学家杂志说，别想用核弹头去阻止同彗星的碰撞，那样做的后果会跟据信使恐龙绝灭的那次灾难差不多。
• Detecting nuclear warhead by counting delayed neutrons induced by neutron source is studied . the 2 - step calculation method is proposed to resolve the delayed neutron transportation issue . this method can save computer ' s calculation time , and is easy to operate
  本文研究了用外中子源照射核弹头，诱发其裂变材料裂变，探测缓发中子的方法，以此判断高浓铀与低浓铀，从而为核查核弹头的真伪提供依据。