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kong zhi zhi ye wei hai de gong ye tong feng er
Author(s): 
Pages: 50-51+15
Year: Issue:  2
Journal: Occupational Health and Emergency Rescue

Keyword:  职业危害工业通风上部开口自然通风排风口迎风面进风口多层建筑物通风量背风面;
Abstract: 控制职业危害的工业通风(二)上海市卫生防疫站殳家豪3、热压和风压同时作用下的自然通风在有风的天气,热压和风压是同时作用的。一般说,热压作用变化较小,而风压作用的变化较大。当热压和风压共同作用时,在迎风面外墙下的开口处,热压和风压的作用是一致的。因此,...
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