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- Keywords dust particle;fat;iron powder;removel; 灰粒;油脂;铁粉;清除;
- 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？
- 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 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?
- The more dust particles in the air the more colorful the sunrise or sunset. 大气中灰尘的微粒越多，日出或日落的景色越显得绚丽多彩。
- The water vapor and dust particles also serve to reflect the rays of the sun. 水蒸气及灰尘微粒也起到反射太阳光的作用。
- Q. How many interstellar dust particles did Stardust bring to Earth? 问：“星尘”带回了多少星际尘埃?
- Keywords dust;size distribution;computor; 粉尘;粒度分布;计算机;
- They have cleverly adapted a particle accelerator, a van de Graaf accelerator, to accelerate small dust particles. 他们聪明的改造了一种范德格拉夫粒子加速器，来加速微小的尘埃颗粒。
- Keywords dust proofing agent for dyestuff;emulsor; 染料防尘剂;乳化剂;
