1.
Where, following an abnormal condition, the removal of dust accumulations or layers cannot be assured, then the area is to be classified zone21.
如果不能保证排除可燃性粉尘堆积或粉尘层时，则应划分为21区。
2.
Brief Introduction on Revision for National Standard of Electric Apparatus Used in Flammable Dust
简述可燃性粉尘环境用电气设备国标的修订
3.
Area not classified as zone20 in which combustible dust, as a cloud, is likely to occur during normal operation, in sufficient quantities to be capable of producing an explosive concentration of combustible dust in mixture with air.
在正常运行过程中，可能出现粉尘数量足以形成可燃性粉尘与空气混合物但未划入20区的场所。
4.
STUDY ON THE PRODUCTION AND ACCELERATION OF SHOCK WAVE INDUCED BY COMBUSTIBLE SUSPENSION DUST
可燃悬浮粉尘燃烧诱导激波及其加速过程研究
5.
The Design of Pipeline Experimental Device of Gas and Dust Exploding;
管道式可燃气体—粉尘爆炸试验装置设计
6.
Research on Control System Part of Horizontal Pipeline Combustible Dust Explosion Device;
管道式可燃粉尘爆炸装置控制系统研究
7.
Study on Explosion Index of Combustible Dust Detonated by Shock Wave
可燃粉尘在激波诱导下的爆炸指数研究
8.
Prevention of Flammable Dust Fire and Explosion Accidents and Their Fire Fighting Measures
可燃粉尘火灾爆炸事故的预防及消防措施
9.
Safety Evaluation for Dust Combustion & Explosion and MIT Testing Device Development;
粉尘燃爆危险性评估及MIT测试装置的研制
10.
Bug Dust Comprehensive Administering Feasibility Analysis for Shenhuazhunneng Corporation Coal-dressing Plant
神华准能公司选煤厂粉尘综合治理可行性分析
11.
Feasibility Study of Dry-Method Recovery of Iron Powder in Fly Ash from Coal Power Station
燃煤电厂干法回收粉煤灰铁粉工艺的可行性
12.
Ventilation and Dust Control of Main Room in Power Plant;
燃煤电站主厂房通风与粉尘污染控制
13.
Comparative Study on Explosive Dust and Industrial Dust Explosion Characteristics
炸药粉尘与工业粉尘的爆炸特性对比研究
14.
Measurement of Dust Dispersivity is Very Important to Evaluate Dust Exposure Level
粉尘检测中粉尘分散度检测重要性的探讨
15.
Results The early common pathological change of alumina pneumoconiosis was the dust spots.
结果粉尘沉积性尘斑是铝矾土尘肺最常见的尘性病变。
16.
Feasibility Research of Desulfurization and Dust Removal Integrated Project for 410t/h Coal Fired Boiler in TPCC;
天津石化410t/h燃煤锅炉脱硫除尘一体化工程可行性研究
17.
Analysis on flow feature of adjustable coal powder density in coal-fired combustion device
可调煤粉浓度燃烧装置内的流动特性分析
18.
Advanced mechanism to simplify treatment technology to extract both big and fine granularity dust.
先进的机理，简化了处理工艺，即可除大颗粒粉尘，又可除细粉尘。