结论硬质合金粉尘接触可导致人体头发钴含量显著增高，但对人体全血钴含量影响不大。
Conclusion Hard alloy dust exposure can greatly increase the hair cobalt content of workers, but it almost has no influence on the blood cobalt content in the experimental group.
阐述了全工班个体呼吸性粉尘监测系统性的监测方案、监测过程及效果分析，提出了有针对性的防尘对策。
To explain whole class works individual workers respirable dust monitoring systematic monitoring program, monitoring process and effect analysis, proposed targeted dust-proof countermeasures.
阐述了全工班个体呼吸性粉尘监测系统性的监测方案、监测过程及效果分析，提出了有针对性的防尘对策。
The laboratory tests and underground application show that this dust suppression technique has remarkable effect on the total dust, especially on the respirable dust.
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