The principle and function of a kind of two lines system circuit in nuclear detector has been described, and it has been applied in nuclear level gauge.
描述了一种核探测器二线制电路的原理和性能，并应用于核料位计中，与传统的多线制探测器相比有明显的优越性。
When the exciton system closes to the statistical equilibrium, this exciton state density automatically approaches to the Fermi-gas nuclear level density with angular momentum.
当激子系统趋近统计平衡时，该公式就自动过渡到具有角动量的费米气能级密度公式。
In two months it had reached almost 33 millisieverts, or a third the level normally permissible for those working on a nuclear accident in a year.
在接下来的两个月中它已基本上达到33毫西弗特，或者达到工人所能够在核事故工作一年的第三等级。
Radiation in some parts of Fukushima city can be measured in the millisieverts per hour—a dangerous level, says an official dealing with nuclear policy.
福岛某些地方的核污染可以按豪希沃特/小时来计算，“这很危险。” 参与制定核政策的某官员说道。
Can you imagine what the outcry would have been if a corporation had planned to fill it with low-level waste from a nuclear plant?
你可以想象出如果一个公司决定填埋核电厂废料时候反对的呼声能有多高。
Japan itself had a Level 4 accident in 1999, when three workers preparing fuel for a reactor at a Japan Nuclear Fuel Conversion plant triggered a nuclear chain reaction, called a criticality.
日本在1999年就曾发生过一次4级核事故（又称“东海村核事故”——译注），当时在日本核燃料转换公司（Japan NuclearFuel Conversion）的一个燃料厂内，三名正在为反应堆准备燃料的工人引发了一次链式核反应，使反应堆达到临界状态。
These teeth were then tested to determine their level of Strontium-90, a radioactive fission product that escapes in nuclear power plant emissions.
这些乳牙都要经过测试，以确定它们的锶- 90的积存程度。锶- 90是一种核裂变的产品，它们会从核电站的排放物中逃逸和扩散。
In this case, the Fukushima Daiichi nuclear complex's back-up diesel-powered generators were built below ground level.
而在这一次事件中，福岛核设施的备用柴油发电机都被建在地平面以下。
But that is not anywhere near the level of craziness you'd need to reach to build nuclear power plants in a country at risk from earthquakes.
但是所有这些的疯狂程度都抵不上你在一个有着地震威胁的国家建造核能电厂。
So far, no country has succeeded in building a permanent geological repository for high-level nuclear waste, and only Finland has secured public acceptance for a site.
迄今为止，没有一个国家，已成功建造一座可永久性处置高放核废物的地质库，而且唯有芬兰，其公众同意接受建一个这样的地质库。
The elevation of the accident to Level 5 indicates "an accident with wider consequences," according to the International Nuclear Event Scale (INES).
根据国际核安全和辐射是件等级，专家把这次事故的级别被提升至5级，表明“一场事故可以引发更严重得后果”。
Exposure to over 100 millisieverts a year is a level which can lead to cancer, according to the World Nuclear Association.
据世界核协会称，暴露在超过100毫希的核辐射中1年就会致癌。
The US side is willing to keep high level dialogues with the Chinese side and deepen substantial cooperation in economy and trade, nonproliferation and the DPRK Nuclear Issue.
美方愿与中方保持高层对话，在经贸、防扩散、朝核等领域深化实质性合作。
Japan raised the severity level at the Fukushima nuclear-power plant to seven, the highest on the accepted international scale.
日本将福岛核电站的事故的严重程度提升到了7级，这是国际公认最高的级别。
The U.S. nuclear power industry will generate roughly 70, 000 tons of high-level nuclear waste by 2015, according to Los Alamos. That includes about 550 tons of plutonium.
根据洛斯阿拉莫斯的数据，到2015年，美国核电工业将产生约7万吨高等级核废料，其中包括约550吨的钚。
Japan's Nuclear and Industrial Safety Agency raised the crisis alert level from level five to seven, the highest level on the scale. (Athit Perawongmetha/Getty Images)
日本核电和工业安全机构上调了核危机严重等级，从5级上升到7级，7级是最高等级。
What's more, the industry has so far generated nearly 300, 000 tonnes of high-level nuclear waste, and counting.
更重要的是，这个工业至今已制造出将近30万公吨的高放射性核垃圾，而且数量还在继续增加。
Britain's only existing waste facility, at Drigg in Cumbria, has been holding low-level nuclear waste since 1959.
现在英国仅存的废料设施——在cumbria德里格士镇的废料设施，从1959年就一直持有低级的核废料。
Therefore, the 1979 accident at the Three Mile Island nuclear power plant in the United States is rated at level five.
因此，1979年的美国三里岛核电厂核泄漏事故被定为5级。
Japan's science ministry says radiation exceeding 400 times the normal level was detected in soil about 40 kilometers from the troubled Fukushima Daiichi nuclear power plant.
日本科学省向外界透露，在远离福岛核电站40公里处的土壤中检测到超过平常值400倍的高辐射污染。
China's nuclear facilities and nuclear activities have all along been in safe and stable state and, in particular, the safety level of nuclear power stations has witnessed constant improvement.
中国的核设施、核活动始终保持安全稳定状态，特别是核电安全水平不断提高。
An American astrophysicist with top-level nuclear security clearances appeared in court yesterday after being arrested in an FBI sting and charged with trying to sell secrets to Israel.
美国一名拥有顶级核安全检查技术的天文物理学家昨日出庭，他被联邦调查局逮捕并被指控企图向以色列出售机密。
An American astrophysicist with top-level nuclear security clearances appeared in court yesterday after being arrested in an FBI sting and charged with trying to sell secrets to Israel.
美国一名拥有顶级核安全检查技术的天文物理学家昨日出庭，他被联邦调查局逮捕并被指控企图向以色列出售机密。
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