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- A dust particle weighs only a thousandth of a gram. 一粒尘埃的重量仅有千分之一克。
- For metal dust,the reduced pressure pred and rate of pressure rise(dp/dt)red increase while particle size decreases. 实验发现,粉尘的粒度对泄爆超压没有影响,泄爆时的升压速率随着粒度的减小而增大;
- The dustfall samples collected under typical dust and non-dust weather were made particle size analysis in Lanzhou. 选择兰州市典型沙尘天气和非沙尘天气收集两类降尘,并对其进行粒度测定。
- WHAT IS THE CRITICAL PARTICLE SIZE ? 什么是关键的粒子尺寸?
- 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?
- In clastic sediments, particle size is an important factor. 在碎屑沉积物中,颗粒大小是个重要因素。
- One important measure of the instability is particle size. 不稳定性的一个重要测量标准是微粒的尺寸。
- How do I look for interstellar dust particles? 我该怎样去寻找星际尘埃颗粒呢?
- The distribution of cementite particle size displayed bimodal. 颗粒状渗碳体的尺寸呈双峰分布。
- When Al powder particle size is -260/+300,the speed is mod... 铝粉粒度在-260/+300目时,焊接质量与操控性最佳。
- 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 lenght of time of the extraction and the particle size are both pertinent. 提取的持续时间和微粒的大小都恰到好处。
- The dust particles will settle down in the short run. 尘粒不久就会沉降下来。
- Shift control of the particle size bar fight, mouse control perspective. Shift控制打杆的粒度,鼠标控制角度。
- 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。
- The optimum particle size distribution of cement and its assessment method. 水泥的最佳颗粒分布及其评价方法。
- Q. Why are interstellar dust particles hard to locate? 问:为什么星际尘埃如此难以定位?
- Even: homogeneous in particle size and confirming to the grade specification. 即使是:均匀,粒度和确认的等级规格。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries