...测氡仪；氡浓度；钍射气 [gap=1036]ywords: radiation and environment protection;radon detector;radon concentration;thoron ...
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钍试剂Ⅱ褪色光度法测定电镀废水和钢铁中铬 关键词：钍试剂Ⅱ；铬；褪色光度法 [gap=4736]Key words：thoron II；chromium；fading spectrophotometry
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...称 邻苯胂酸偶氮-2-萘酚-3,6-二 磺酸钠 英文名称 1-(o-Arsonophenylazo)-2-naphthol-3,6-disulfonic acid, sodium salt;Thoron 中文别名 钍试剂 分 子 式 H2AsO3C6H4N:NC10H4(SO3N 用 途 用作比色测定钍和锆的灵敏试剂和分光光度测定锂的试剂 如果您对产...
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thoron chamber rn室
Thoron and Its Progeny Rn及其子体
density of thoron daughter 子体浓度
radon and thoron daughter 氡子体
thoron II 钍试剂
thoron level 气土水平
N a radioisotope of radon that is a decay product of thorium. Symbol: Tn or 220Rn; atomic no: 86; half-life: 54.5s 钍射气
Methods By using the negative high voltage exhaled thoron progeny measurement system.
方法采用负高压呼出气中子体测定装置。
It was successfully used to automatically determine the concentrations of radon and thoron daughters in air.
用它测定空气中气氡(气土)子体浓度获得良好结果。
The indoor thoron concentration in some areas and some kind of houses is higher, the study in this field should be strengthened.
我国有些地区和某些类型住房中钍射气浓度较高，有必要加强这一问题的研究。
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