The radiation background is up to 500 microroentgens/hour.
希望将排放量降至本底浓度水平,.
Desiring to reduce emissions to background concentration levels.
希望把排放量和释放量降至本底浓度水平,.
Desirous of reducing emissions and releases to background concentration levels.
希望把排放量和释放量降至本底污染浓度水平,.
Desirous of reducing emissions and releases to background concentration levels.
大约有3%的本底辐射来自其他的人造来源,像是:.
About 18% of background radiation comes from man-made sources such as.
一是拉乌尔效应,二是改变镜面本底散射水平。
One is the Raoul effect, and the other is changing the level of specular background radiation.
尽管如此,这里的辐射水平,仍然达到一般本底水平的10倍左右。
Radiation levels remain about ten times the normal background in the area.
在几个国家,人均接受的医疗辐照现在超过了天然本底辐射。
In several countries, per capita exposure to medical radiation now exceeded natural background radiation.
然而,在一些地区,平均本底剂量是每年超过1000mrem(10毫希沃特)。
However, in some areas, the average background dose can be over 1,000 mrem(10 mSv) per year.
确定水柱的化学特征对于评估向水中作出任何排放以前的本底状况至关重要。
Characterization of the water-column chemistry is essential for assessing background conditions prior to any discharge in the water.
MEMS麦克风体积非常小,但灵敏度很高(本底噪声通常优于30dBA)。
MEMS microphones are extremely small, yet sensitive(the noise floor is usually better than 30 dBA).
梁海河说,中国气象局1992年首次在我国首次开展温室气体本底浓度观测。
Liang Haihe said that in 1992, China Meteorological Administration first carried out background greenhouse gas concentration observation in China.
地球上所有物种都在受到天然本底电离辐射照射的环境中生存和进化。
All species present on the Earth have existed and evolved in environments where they have been exposed to ionizing radiation from the natural background.
确定水柱化学的特性,对于评估在水中作任何排放之前的本底状况是至关重要的。
Characterization of the water-column chemistry is essential to assess background conditions prior to any discharge in the water.
如今,疏散的地区仍然是一片荒地,然而,很难发现超过天然本底辐射的放射性物质。
Nowadays the evacuated areas remain wasteland, however, it is very hard to find radioactivity that exceeds the natural background radiation.
空气质量监测方案应考虑开展基线监测,以评估设施内和设施周边关键污染物的本底水平。
A monitoring programme for air quality should consider baseline monitoring to assess background levels of key pollutants both at and in the vicinity of the facility.
辐射源对公众成员产生的照射,不包括任何职业或医疗照射,以及正常地区本底辐射。
Public(exposure incurred by members of the public from radiation sources, excluding any occupational or medical exposure and the normal local natural background radiation).
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