1) Mercury concentration in air
空气汞浓度测定
2) nitrograph
氮气浓度测定仪
3) total gaseous mercury concentrations
总气态汞浓度
4) air concentration
空气浓度
1.
The influence of air concentration upon heat transfer and pressure component was analyzed based on the theory of condensation heat transfer and the state equation of ideal gas,and the mathematic model of relationship between air concentration and condenser pressure was created in the paper.
基于凝结换热理论和理想气体状态方程,分析了空气浓度对凝汽器内传热和分压力的影响,建立了空气浓度对凝汽器压力影响的数学模型。
2.
The abnormality of vacuum tightness and the insufficient output of air extractor are general existent problems in many domestic power plants,which can cause increased air concentration in the condenser.
国内许多发电厂存在真空系统严密性差或抽气系统出力不足等问题,从而引起凝汽器内空气浓度增加。
6) concentration measurement
浓度测定
1.
Systematic investigations were made on the effect ofhydrolyzed polyacrylamide-3430s (HPAM)on concentration measurement of silicon and aluminum.
系统地探讨了复合驱替剂体系反应液中存在的水解聚丙烯酰胺3430S(HPAM)和对硅、铝元素浓度测定的影响。
2.
The effect of surfactant (OP-10) and hydrolyzed polyacrylamide-3430S (HPAM) on concentration measurement of silicon and aluminum have been investigated systematically.
系统地探讨了复合驱替剂体系AS、AP反应液中存在的表面活性剂OP 10和水解聚丙烯酰胺 3430S(HPAM)和对硅、铝元素浓度测定的影响 。
补充资料：导出空气浓度
分子式：
CAS号：
性质：放射性核素的导出空气浓度DAC被定义为放射性核素的年摄入量限值ALI除以参考入在一个工作年(2000h)内吸入的空气体积(2.4×103m3)而得的商，即DAC=ALI/2.4×103Bq/m3。导出空气浓度DAC可供评价工作场所空气污染状况时参考。
CAS号：
性质：放射性核素的导出空气浓度DAC被定义为放射性核素的年摄入量限值ALI除以参考入在一个工作年(2000h)内吸入的空气体积(2.4×103m3)而得的商，即DAC=ALI/2.4×103Bq/m3。导出空气浓度DAC可供评价工作场所空气污染状况时参考。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条