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Author:
Journal / Book Title:
Year:
Volume:
Issue:
mei xi fei
Author(s):
FANG Pin
Pages:
22
-
23
Year:
1986
Issue:
1
Journal:
Occupation and Health
Keyword:
煤矽肺
;
巷道掘进
;
矽尘肺
;
理化特性
;
煤尘肺
;
二氧化矽
;
粉尘性质
;
煤矿
;
采煤工
;
肺纹理
;
Abstract:
<正> 【煤矽尘的来源】在煤矿开采过程中的主要两道工序,一为巷道掘进,一为采煤,巷道掘进主要是凿岩、爆破、装渣、运输等,接触的主要是以矽尘为主,二为采煤工序,接触的主要是以煤尘为主,游离二氧化矽含量较低,当从事上述作业时,这两种粉尘均可同时侵入作业
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