Prior research done with weather balloons had shown that desert dust storms can become electrified through a process of particle collision that is not yet completely understood.
前期的热气球实验发现沙漠中的沙暴可以被电荷化，虽然目前尚没有完全搞清楚原因，但很可能与粒子间一系列的碰撞有关。
A laser based technique is proposed which is able to measure and supervise the mass concentration and particle size of smoke and dust in emissions.
提出了能直接测量烟尘和粉尘排放浓度和粒径大小的激光监测技术，具有实时快速、非接触、在线、无需取样和连续测量的优点。
A particle separation assembly is provided for the removal of any dust, particle, or artifacts that may have entered into the housing of the Angle grinder.
设置有一种微粒分离组件以实现可能进入角磨壳体中的任何粉尘、微粒或产物的去除。
Structure of a new fixed bed particle layer deduster, working principle of combined fluidized bed dust-removal device and characteristics of dedusters are introduced.
介绍了新型固定床颗粒层除尘器的结构、组合式流化床清灰机构的工作原理以及除尘器的特点。
I am one lonely speck; in this universe I am a powerless particle of dust. My love, thought beautiful, is nothing great in itself.
俗世间我是孤独的一粒，宇宙间我是无为的尘埃，我的爱虽然美好，但并不伟大。
This paper describes a method for measuring particle size of inhaled aerosol with a phantom of human head wearing dust-proof mask anda cascade impactor.
本文介绍了应用级联撞击器和佩戴口罩的人头模型在天然铀燃料元件加工现场测定吸入气溶胶粒度的方法。
A. Impacting interstellar dust particles will leave carrot-shaped tunnels boring into the aerogel, at the tip of which will be the particle itself.
尘埃的冲击会在气凝胶中留下一个胡萝卜形状的通道，通道的尽头就是尘埃本身。
This paper mostly introduces a method for computing dust separation efficiency of the vortex tube in the engine air particle separator of helicopter.
本文介绍了直升机发动机进气防砂装置核心元件—涡旋管的砂尘分离效率计算方法。
This paper presents a method of measuring the particle mean size and dust concentration by small angle near forward light scattering optics and the extinction theory.
本文综合前向小角光散理论及消光原理，提出一种测量粉尘平均粒径及粉尘浓度的光学方法。
Sawdust particle machine is upward, easy to heat, but also with a set of air bag dust removal, automatic refueling.
木屑颗粒机是向上敞口，易于散热，另外还带一套风冷布袋除尘，自动加油。
Compared with nature sand, MS (manufactured sand) is characteristic of rough particle and angular, with a large amount of stone dust and lithofacies diversity.
与天然砂相比，机制砂富含石粉，颗粒表面粗糙多棱角，并且岩性多样。
Through analyzing the movement of a single particle in gas, it is pointed out that the effective method to control blasting-dust is to enlarge the particle-size.
通过对气流中单个尘粒的运动分析，指出降低爆尘的有效方法是增大粒径。
The disciples turned to watch the bamboo's shadow sweep the courtyard without stirring a single particle of dust.
门徒转过身一看：竹影扫过庭院但没有带起一丝的尘埃。
The three is the dust source and movement difference of concentration in a certain space range, the particle and water molecules gather into a haze of tuberculosis.
三是扬尘基源和运动差过程集聚在一定空间范围内，颗粒最终与水分子结核集聚成霾。
It is a kind of fan drive device equipped with high-efficiency air filter. It is used to collect dust particle, hold dust particle and control the pressure in working area.
是一种装有高效空气过滤器的风机驱动设备，用来收集尘粒、容纳尘粒和控制作业区压力。
The window design contains a double layer of carefully oriented RF mesh screens to provide transparent like views, minimize pattern distortion, and prevent dust and particle buildup.
这些设计包括了双层筛网幕结构，能提供透明般的视野，而且减少了因为晶格光干涉效应造成的图形扭曲，同时避免尘埃在窗户上的聚攒。
The window design contains a double layer of carefully oriented RF mesh screens to provide transparent like views, minimize pattern distortion, and prevent dust and particle buildup.
这些设计包括了双层筛网幕结构，能提供透明般的视野，而且减少了因为晶格光干涉效应造成的图形扭曲，同时避免尘埃在窗户上的聚攒。
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