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China/Asia On Demand
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xiao xing shi chang xu shen fang xi fei
Author(s): 
Pages: 7
Year: Issue:  5
Journal: Occupation and Health

Keyword:  采石场矽肺粉尘危害粉尘浓度露天开采建筑材料小型工艺流程粉尘作业机械设备;
Abstract: <正> 随着建筑材料的大量需求,采石行业得到了迅速发展。特别是农村经济体制改革之后,乡、镇及个体的小型采石场不断涌现。他们为振兴经济,起到了积极的作用,但采石过程中的粉尘危害切不能忽视。据调查,一般小型采石场工艺落后,机械设备简陋,多为露天开采。其工艺流程为:打眼→爆破→运料→破碎→筛分→接料
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