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单词 Natural background radiation
释义

Natural background radiation

原声例句
传说之境

By the time that the core was sealed away inside over 26 days worth of additional natural background radiation had already been unleashed onto the planet.

当堆芯被密封在里面时,有超过 26 天的额外自然本底辐射已经被释放到地球上。

中文百科

背景辐射 Background radiation

(重定向自Natural background radiation)
图片显示在核电厂和其他设施的场所,存在者辐射量比背景辐射高的核污染危险。

背景辐射英语:background radiation),又称本底辐射,是在环境中持续存在,可以是源自人为排放或自然存在的辐射,主要的来源有:

大约有3%的背景辐射来自其他的人造来源,像是:

意外的暴露在人造的放射源下会导致接收到数倍于天然或正常的人造辐射暴露量。另外,放射性治疗也会造成较高的辐射接触。然而,来自自然背景辐射的暴露,还是接收到的辐射主要来源。

英语百科

Background radiation 背景辐射

(重定向自Natural background radiation)
The weather station outside of the Atomic Testing Museum on a hot summer day. Displayed background gamma radiation level is 9.8 μR/h (0.82 mSv/a) This is very close to the world average background radiation of 0.87 mSv/a from cosmic and terrestrial sources.
Estimate of the maximum dose of radiation received at an altitude of 12 km January 20, 2005, following a violent solar flare. The doses are expressed in microsieverts per hour.
Displays showing ambient radiation fields of 0.120-0.130 μSv/h (1.05-1.14 mSv/a) in a nuclear power plant. This reading includes natural background from cosmic and terrestrial sources.
Per capita thyroid doses in the continental United States resulting from all exposure routes from all atmospheric nuclear tests conducted at the Nevada Test Site from 1951-1962.

Background radiation is the ubiquitous ionizing radiation present in the environment. Background radiation originates from a variety of sources, both natural and artificial. Sources include cosmic radiation, naturally occurring radioactive materials such as radon, and fallout from nuclear weapons testing and nuclear accidents.

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更新时间:2025/6/17 13:58:17