2) street dust
街道尘埃
1.
Seasonal variation characteristics of element concentration of street dust in Lanzhou;
兰州市街道尘埃元素质量分数季节变化特征
2.
A set of environmental magnetic parameters(χ_(lf),χ_(fd)%,χ_(ARM),SIRM,HIRM,SOFT and back field IRM) of the street dust sampled in Lanzhou during spring and summer 2005 were analyzed.
分析了兰州市街道尘埃样品的磁学参数(包括磁化率、无磁滞磁化率、等温剩磁、磁滞回线和热磁曲线)变化特征。
3.
amples of street dust were collected in Lanzhou in January 2006 and element concentration were analyzed by X-ray fluorescence.
用X射线荧光法分析了兰州市街道尘埃样品元素的含量,并利用富集因子分析方法对实验数据进行统计分析,以对比元素浓度的空间变化特征。
3) street dust
街道灰尘
1.
Particle size characteristics and possible sources of street dust in Beijing;
北京市街道灰尘粒度特征及其来源探析
2.
Spatial distribution characteristics of heavy metals in street dust in Shenyang city;
沈阳市街道灰尘中重金属的空间分布特征研究
3.
Cadmium contamination in city street dust and its prevention and control methods
城市街道灰尘重金属类环境激素镉污染及防治对策
4) suspended dust above city streets
街道扬尘
5) street sweeper
街道吸尘器
补充资料：街尘
1.道路上的尘土。
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