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- An obscuring haze, as of atmospheric dust or smoke. 烟雾,尘雾如空气中的尘土或烟雾等模糊的雾气
- atmospheric dust particle 降尘颗粒物
- A dust particle weighs only a thousandth of a gram. 一粒尘埃的重量仅有千分之一克。
- We can see the dust particles floating in the sunlight clearly. 我们可以很清楚地看到阳光下的灰尘颗粒。
- Q. How will I recognize a real interstellar dust particle track if I see one? 问:假如我看到了一个如何才能认出那就是星际尘埃的踪迹呢?
- 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。
- How do I look for interstellar dust particles? 我该怎样去寻找星际尘埃颗粒呢?
- The air is filtered from dirt and dust particles. 空气中的污物和灰尘颗粒都被过滤掉了。
- The removal of MMVF cement is likely to generate less atmospheric dust than the removal of the more friable insulating board and insulating compound. 拆除MMVF水泥产生的大气粉尘通常少于拆除更易碎的绝缘板和绝缘化合物时产生的粉尘。
- Based on the atmospheric dust experiment, researches the contaminant air exchange caused by the temperature difference while opening the door of isolation wards. 摘要基于大气尘实验,研究了隔离病房开门时温差对污染物外泄的作用。
- 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。
- The mechanical behaviors of dust particle in ESP(electrostatic precipitator)directly affect effect of tapping and removing. 粉尘粒子在电除尘器中的力学行为直接影响电除尘器的振打清灰效果。
- The dust particles will settle down in the short run. 尘粒不久就会沉降下来。
- Characterization is made of two coal dust samples and several types of coal dust restrainer have been developed based on surface behavior of dust particle. 对采自神华集团选煤厂的两个煤尘进行了性质表征,并基于其表面性质特点开发出了几种抑尘剂。
- The dust particles cut into a man's skin and burned his eyes. 沙粒割得人脸生疼,眼睛都睁不开。
- Q. Why are interstellar dust particles hard to locate? 问:为什么星际尘埃如此难以定位?
- The Leonids are minute dust particles shed by Comet Tempel-Tuttle. 每隔几秒钟,至少都会有一丁点的太空尘埃燃烧着闯入大气层。
- Q. How were the interstellar dust particles captured? 问:这些星际尘埃是如何捕获的?
- Minerals in atmospheric dusts are mainly derived from soils, building dusts and rising dusts in some areas. 大气粉尘中的矿物主要来源于土壤尘、建筑工地和局地扬尘,颗粒较小,一般呈不规则形状,表面凹凸不平。