1.
Grain size of the sample had been measured.
降尘量和粒度参数值在尘暴前期和后期都呈现不同特征。
2.
fallout wind vector plot
微粒尘降风矢量标绘图
3.
Ambient air--Determination of dustfall--Gravimetric method
GB/T15265-1994环境空气降尘的测定重量法
4.
Contents of Heavy Metals in Dustfall of Fuxin City
阜新市城区降尘中重金属含量的研究
5.
Research on the Lead Dust Discharge Reduced by ESP in Storage Battery Production Process
利用电除尘器降低蓄电池生产中铅尘排放量研究
6.
A lot of harmful fume produced by air plasma cutting has a quite different distribution form, which determine the design for dust removing device.
空气等离子切割时将产生大量对人体有害的烟尘,其烟尘分布的特点决定了降尘装置的设计。
7.
Producing a very great amount of long-lived radioactive fallout.
产生大量辐射微尘的产生大量的长期放射性下降物的.
8.
Producing a very great amount of long-lived radioactive fallout. Used of nuclear weapons.
产生大量辐射微尘的产生大量的长期放射性下降物的。用于核武器
9.
Can be used to decrease the dust ,moisten the air .
具备喷雾降尘功能，适宜降尘，湿润空气。
10.
However, without dust there would be less rainfall and sunsets would be less beautiful.
然而，假如没有灰尘，降雨量将会减少，落日的余辉也不会绚丽多彩。
11.
Reduction of Dust Emission by Double-zone ESP
双区电除尘器降低锅炉烟尘排放浓度
12.
The dust particles will settle down in the short run.
尘粒不久就会沉降下来。
13.
Research on Tunnel Dust Settlement Rule and Reprinting Spraying Dust Removing System;
巷道粉尘沉降规律与转载点喷雾降尘系统研究
14.
atmospheric moisture or dust or smoke that causes reduced visibility.
大气的湿气或灰尘或烟尘造成的能见度降低。
15.
Study on the Changing Characteristics of Falling Dust of a Sand-Dust Storm Based on Oasis Scale
基于绿洲尺度沙尘暴天气降尘的变化特征研究
16.
The Transformation and Application of the Intelligent Dust-tracking and Dust-falling System on the Coal Cutter
采煤机尘源智能跟踪降尘系统的改造与应用
17.
Spray Dust Mechanism and Efficient Dust Nozzle Improvement Study of Comprehensive Mechanized Coal Face;
综采工作面喷雾降尘机理及高效降尘喷嘴改进研究
18.
Dedusting mechanism by water-cloud of wetting agents and the relevant tests for fully-mechanized and roof caving coal face
综放工作面湿润剂喷雾降尘机理及高效降尘湿润剂的试验