1) dirt
[英][dɜ:t] [美][dɝt]
污物，灰尘
2) dust pollutant
尘埃污染物
1.
It represents the necessity of enhancing air conditioning wind pipe cleaning and maintenance introduces the distributing condition and harmfulness of the dust pollutant in wind pipe and discusses the cleaning method and skill of wind pipe.
阐述了空调风管清洗维护的必要性,介绍了风管尘埃污染物的分布情况与危害性,论述了风管清扫的方法与技巧,以提高空调效率,节约能源,提高人民的生活水平。
3) dust pollutant
粉尘污染物
4) dusty and dirty cargo
扬尘污染货物
5) dust
[英][dʌst] [美][dʌst]
灰尘
1.
Semi-Quantitative Analysis Pb for Urban Dust by XRF;
城市灰尘中Pb的X射线荧光光谱半定量分析
2.
The distribution character of lead in soil and dust in urban region of Shenyang City.;
沈阳市城区土壤和灰尘中铅的分布特征
3.
Influence of dust on the thermal performance of all-glass evacuated solar collector tube;
灰尘对全玻璃真空太阳集热管热性能的影响
6) road dust
灰尘
1.
This study examined the total mercury concentrations in soil,vegetable and road dust,and the spatial distribution of the total mercury in the water sources area in upper reach of Huangpu river basin.
结果表明:黄浦江上游周边土壤及道路灰尘中Hg的平均含量分别为332。
2.
The influencing factors on the accumulation and transportation of PAHs(polycyclic aromatic hydrocarbons) in road dust from Shanghai city were systematically discussed.
以上海市为例,探讨了城市中心城区地表灰尘中多环芳烃(PAHs)累积与迁移过程的影响因素。
3.
Seasonal variation and function-area difference of polycyclic aromatic hydrocarbons(PAHs) in road dust from Shanghai centre area were studied,and the probable reasons were also discussed.
研究了上海市中心城区地表灰尘中多环芳烃(PAHs)的季节变化与功能区差异,并探讨了这种变化特征的原因。
补充资料：星际尘埃
分子式：
CAS号：
性质：分散在星际气体中的固态小颗粒。根据星光的消光量可推断出这种消光物质大致是0.1μm半径的固体颗粒。星际尘埃质量密度估计约为气体密度的1%。或数密度为2000/km3。尘埃的物质可能是由硅酸盐、石墨晶粒以及水、甲烷等冰状物所组成。
CAS号：
性质：分散在星际气体中的固态小颗粒。根据星光的消光量可推断出这种消光物质大致是0.1μm半径的固体颗粒。星际尘埃质量密度估计约为气体密度的1%。或数密度为2000/km3。尘埃的物质可能是由硅酸盐、石墨晶粒以及水、甲烷等冰状物所组成。
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