计算题: 1、某电子企业的作业环境同时存在的危害因素有三氯乙烯(PC-TWA为30mg/m3)、铅烟(PC-TWA为0.03mg/m3)、二氯乙烯(PC-TWA为2mg/m3)和正己烷(PC-TWA为100mg/m3),检测发现其浓度分别为27mg/m3,0.006mg/m3、 1.6mg/m3、...
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结果该项目所存在的主要职业病危害有:高温、噪声、粉尘、铅烟、一氧化碳等。
Results The major occupational-disease hazards were heat, noise, dust, lead smoke, carbon monoxide, etc.
结论应用火焰原子吸收法和无火焰原子吸收法测定车间空气中铅烟、铅尘,在一定的条件之下,结果没有差异。
There is no difference in the results whether use FAAS or GFAAS to determine the lead fume and dust.
本文介绍了利用氨法处理杂质成分复杂的某大型冶炼厂炼铅系统烟化炉氧化锌烟灰制备高等级氧化锌的工艺。
The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter.
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