3) airborne bacteria concentration
空气菌浓
4) bacterial concentration
细菌浓度
1.
The method of nature sedimentation was taken for the measurement of the bacterial concentration .
方法选择图书馆,教室,食堂,宿舍等场所,分别于人员聚集与稀疏的不同时相,采用暴皿沉降法检测空气中细菌浓度。
5) 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) airborne bacteria
空气细菌
1.
Microclimate regulation and airborne bacteria purification services of reservoir ecosystem: a case study of Meilin Reservoir and Xili Reservoir in Shenzhen;
水库生态系统调节小气候及净化空气细菌的服务功能——以深圳梅林水库和西丽水库为例
2.
In this paper,the spatio-temporal change of airborne bacteria content in different types of urban greenland and the bacteria-reducing effect in different structure greenland were explored.
为了了解城市绿地空气细菌含量的时空变化情况以及不同空间结构绿地减菌作用的差异,通过对北京市元大都公园内全年监测样地和不同空间结构样地空气细菌的测定,得出了城市绿地空气细菌含量的年变化基本上呈双峰曲线,11月和5月含量较高,其它月份相对较低,而且证明在植物生长季绿地减菌能力较强。
3.
Results show that the distribution characteristics which are not changed with the different functional regions and periods are very different among airborne bacteria, fungi and actinomycete.
结果表明 :空气细菌、空气真菌和空气放线菌的粒度分布特征各不相同 ,并且不随着时间和空间的变化而变化 。
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