通过假设与简化，建立了采煤工作面粉尘爆炸率与采煤机滚筒设计参数间关系的数学模型。
A mathematical model of relation between dust explosion rate on a coal face and design parameters of a shearer drum is set up by supposing and simplification in the paper.
试验表明，采用高效除尘器对巷道凿岩工作面进行就地净化循环通风，能使工作面粉尘质量浓度符合国家工业卫生标准。
The test results show that dust concentrations in tunneling working face can be satisfied with the national health standard by a high efficient deduster.
煤矿开采、水泥生产、面粉加工、制药等行业长期受到粉尘污染的困扰。
There is often dust pollution in environments of coal mining, cement production, flour processing and pharmaceutical factory etc.
普遍遇到的易燃粉尘包括如木屑，粮食灰尘，纤维素，烘烤如面粉，鱼粉和材料洗涤剂，碳粉，维生素C或金属粉尘以及。
Widely encountered combustible dusts include eg sawdust, grain dust, cellulose, baking flour and fish meal and materials such as laundry detergents, toner, vitamin C or metallic dust as well.
很多常见的可燃物质在以粉尘状态出现的情况下是可以爆炸的，例如金属、木材、煤。面粉、糖、塑料和其它的化学品和药品。
A wide range of common combustible materials can explode in finely powdered form, including metals, wood, coal, flour, sugar, plastics, and many chemicals and pharmaceuticals.
很多常见的可燃物质在以粉尘状态出现的情况下是可以爆炸的，例如金属、木材、煤。面粉、糖、塑料和其它的化学品和药品。
A wide range of common combustible materials can explode in finely powdered form, including metals, wood, coal, flour, sugar, plastics, and many chemicals and pharmaceuticals.
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