说明空气中呼吸性粉尘的含量随着粉尘浓度的增高而增加。
Respiratory dust content in air I creases with raising of dust concentration.
目的探讨地质勘探行业呼吸性粉尘危害程度分级技术标准的制订方法，为粉尘危害分级管理提供科学依据。
Objective to study the method to classify respirable dust harmfulness degree in geological exploration profession so as to provide scientific basis for its management.
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.
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.
因此，开展湿式除尘器的研究，在保障其总粉尘除尘效率的同时，提高其呼吸性粉尘除尘效率具有重要意义。
Therefore, it is of great importance to conduct the research on wet dust collector and raise its removal efficiency for respirable dust while ensuring its removal efficiency for total dust.
呼吸性粉尘的样本收集三七毫米醋酸纤维素过滤器（孔径0.8毫米）放置在一个三十七毫米导电塑料气旋。
The respirable dust samples were collected on 37 mm cellulose acetate filters (pore size 0.8 mm) placed in a 37 mm conductive plastic cyclone.
喷雾系统位于分歧类型地喷雾空间开展三道防地，尽量削减呼吸性粉尘地排放量和四周持续采煤机面临地域。
The spray system locates different types of sprays spatially to develop three lines of defense to minimize respirable dust emissions in and around continuous miner face areas.
针对冶金工厂实际情况，经过现场实验调查、数据统计分析，探讨了冶金工厂作业场所呼吸性粉尘的危害程度。
Based on the actual situation in metallurgical factories, the hazard of respiratory dust is discussed through the experimental investigation and data analysis.
本文介绍了应用X射线衍射仪测定矿山呼吸性粉尘中游离二氧化硅含量的基本原理、实验条件以及操作过程、方法步骤等。
Basic principle, experiment condition, operating process, method and steps of X-ray diffraction method to determine free silica content of respirable dust in mines are introduced in this paper.
本文通过调研发现，我国现有的喷雾降尘方法和降尘设备普遍存在的问题是降尘效率不高，呼吸性粉尘和全尘的沉降率低。
By investigation found that our existing methods of dust spray equipment and the dust is the common problem of dust control efficiency is not high, respirable dust and dust all settlement rate is low.
而且一旦这些淤泥干燥后，铅的危害性将会更大。因为它会更容易混入粉尘中进入我们的呼吸道，由此引起呼吸困难甚至肺癌。
Once the sludge dries, the lead may be even more dangerous. If inhaled, the sludge dust can cause respiratory problems, even lung cancer.
而且一旦这些淤泥干燥后，铅的危害性将会更大。因为它会更容易混入粉尘中进入我们的呼吸道，由此引起呼吸困难甚至肺癌。
Once the sludge dries, the lead may be even more dangerous. If inhaled, the sludge dust can cause respiratory problems, even lung cancer.
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