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- The dust falls to the ground as a fine powder. 这些尘埃就像一种好的粉末落在土地上。
- The EPMA and EDX are used to study the mineral components and phases of the atmospheric dust fall. 再利用电子探针、X射线能谱仪研究大气降尘矿物成分和颗粒物形貌特征。
- Purifing air, removes in the unusual smell and the fetid odor, absorb and clean air dust, the pollen, tiny bacterium sporangium, the germ and so on. 净化空气、去除余味及臭味、吸收、清洁空气中的尘埃、花粉、微菌芽孢、病菌等。
- Personal exposure concentration of air dust and air boron and boron exposure to workers in boron mining and processing plant and control group were reported. 报告了硼作业工人与对照人群的个人空气粉尘暴露浓度、空气硼暴露浓度以及通过空气的日硼暴露量。
- There is a danger of atomic dust falling out over cities. 城市正面临核颗粒回降的危险。
- The research showed that Daya Bay is characteristic of small dustfall, low content of pollutants in dust fall and there is little impact of its pollutants on seawater. 研究表明,大亚湾海区降尘量较少,大气中污染物质含量低,大气污染物的降落对该海区水体环境影响不大。
- Analytical results demonstrate that atmospheric particulates come mainly from concrete industry and traffic, and partly from air dust and soot of industrial stoves in Hefei City. 综合分析结果揭示合肥地区大气颗粒物主要源水泥工业和交通造成的污染,部分来源于地面扬尘和工业窑炉。
- The effects of acid rain,dust fall and their complex pollution on the growth and feeding behavior of cabbage caterpillar have been studied by indoor simulation experiment. 通过室内模拟试验探讨了酸雨、降尖及其复合污染对菜青虫生长发育和取食行为的影响。
- The geography information system (GIS) technology was applied to deal with the pollution state of atmospheric dust fall in Jiaozuo City of Henan Province. 应用地理信息系统(GIS)技术分析了焦作市城区大气降尘污染状况。
- Built on district difference of the area, the distribution character of elements of the air dust near the ground in different physiognomy cells, districts and their city zones is researched. 并且结合成都经济区的区域特点,分别对成都经济区内不同地貌单元、不同行政地区及其城区的近地表大气尘元素分布特征进行了研究。
- Whereon can the dust fall. 何处落尘埃。
- A filter traps dust from the air. 过滤网可存住空气中的尘埃。
- The relic, when exposed to air, turned to dust. 这件文物,接触空气之后,变成了粉末。
- In the case of the guniting doublescraper, usually with air dusting and electrostatic powder. 不离喷粉安装而言,凡是有气流喷粉和静电喷粉两栽。
- Software Description: About Reflections in Gold, This holiday screen saver displays a candle as gold pixie dust falls on your desktop. 这个圣诞节假期屏幕保护程序显示蜡烛和金色的小精灵落在你的桌面上。
- air dust near the ground surface 近地表大气尘
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- 10 tons of space dust fall on the Earth everyday. 每天有10吨的灰尘自太空落到地面上?
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Then the churchman smiled and said:“Look at this cup,it has been put here for a long time,nearly every day, some dust falls down into it,but it is still clear. 牧师微笑着说:“你看这只杯子,它已经放在这儿很久了,几乎每天都有灰尘落在里面,但它依然澄清透明。