1) atmospheric radiation,atmospheric radioactivity
大气放射性
2) aeroradioactivity
大气放射性强度
3) atmosphere
大气
1.
Sampling and Determination of Different Mercury Species in Atmosphere;
大气中不同形态汞的采集和分析方法
2.
Preliminary Study on the Particle-bound Polychlorinated Dibenzo-p-Dioxins and Dibenzofurans in Atmosphere of Guangzhou;
广州大气颗粒物中二噁含量的初步研究
3.
Determination of Trace Mercury in Atmosphere Using Gold Coated Quartz Sand as Adsorbent;
镀金石英砂吸附大气中痕量汞的直接测定方法
4) air
大气
1.
Determination of Trimethylamine in Air by Ion Chromatography;
大气中三甲胺的离子色谱法测定
2.
Determination of N_2O in Air,Liquefied Air and Oxygen;
大气及液空、液氧中氧化亚氮测定方法的研究
3.
Research of Fluorine Pollution in Air,Soil and Plants around the Factory of Aluminum Electrolysis;
运城市某铝冶炼厂对区域大气-土壤-植物氟污染的调查研究
5) ambient air
大气
1.
Through monitoring the organic compounds of low molecular aldehydes and ketones in the ambient air of 9 sites in Gunagzhou and recording the weather condition at the same time,the relativity between weather factor and low molecular aldehydes and ketones in the ambient air was analyzed.
对广州市大气中低分子醛酮类有机污染物进行采样监测,并同步观测气象条件,分析气象因子与大气中低分子醛酮类有机物之间的相关性。
2.
The composition and concentrations of volatile organic compounds (VOCs) in ambient air in Hockey Field District, Macao have been studied and reported in this paper.
研究了 1998年 11月澳门塔石球场小区大气发挥性有机物 (VOCs)的总体情况及空间分布。
6) atmospheric corrosion
大气腐蚀
1.
Numeric analysis of inductive resistance probe and application in atmospheric corrosion;
磁阻探头系统腐蚀速率解析及在大气腐蚀中的应用
2.
Review of atmospheric corrosion behavior and mechanism of aluminum alloys and it's anodic film;
铝合金及其氧化膜大气腐蚀行为与机理研究进展
3.
Recent development in atmospheric corrosion study of materials in ChinaC continued II );
我国大气腐蚀研究进展(续2)
参考词条
补充资料：大气放射性物质
| 大气放射性物质 atmospheric radioactive substances 存在于大气中的含有一种或多种放射性核素的物质。这些放射性核素通过放出射线以一定速度衰变为另一种核素 ，其衰变速度用半衰期表示。大气放射性物质的来源有 3 个：①由地面天然放射性矿物释放出来。②由宇宙射线轰击大气中某些组分而形成。③由人类活动（如核试验、原子能工业等）而产生。对流层的天然放射性核素，大部分是由第一个来源产生的。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。