Objective To provide the appropriate dust control measures for jade carving operations.
目的提供玉石雕刻行业适宜的防尘技术措施。
The hygienic evaluation on effectiveness of ventilation and dust control measures for the 18 iron mines has been made in this paper.
对18家大中型井下铁矿通风防尘技术措施效果进行了卫生学评价。
With the similar dust control measures and length of exposure to dust, the main reason of causing different coal mine incidence of pneumoconiosis was the different coalfield geology factors.
在防尘措施、接尘工龄基本相同的情况下，造成煤矿尘肺发病差异的原因主要是煤田地质因素不同。
Objective To find out the causes and the harm extent of this serious Silica dust hazard event and discuss the prevention and control measures for small scale quartz workplace.
目的了解造成本次严重矽尘危害事件的原因及危害程度，探讨小型石英粉加工企业矽尘危害的预防和控制措施。
The shortcomings of the existing dust control of belt conveyer and improvement measures have been narrated.
叙述了胶带输送机现有防尘罩的不足及改进措施。
The paper analyzes the movement of dust particles , studies the effect of dust particle size on dust dispersion and puts forward the measures of dust control.
分析了尘粒起动过程，研究了尘粒粒径对爆破扬尘的影响，提出了爆破降尘措施。
The paper systematically analyzes the problem of the dust pollution in pre-processing of wool and offers the control measures on theory and practice.
本文系统地分析了羊毛初加工过程中的粉尘污染情况，并从理论和工程实践二个方面提出了治理措施。
The paper analyses the current status of the dust pollution in Xiamen City, approaches the main reasons of the dust pollution, and then puts forward several prevention and control measures for it.
分析了厦门市尘污染现状，探讨了造成尘污染的主要原因，并提出防治措施。
We included randomised trials of mite control measures versus placebo or no treatment in people with asthma known to be sensitive to house dust mites.
对已知的对屋内尘（虫满）过敏的气喘病患采取尘（虫满）控制监测或安慰剂治疗或不治疗的随机试验，。
Coal dust distribution pattern in fully-mechanized face is analysed, the measures and effect to control dust are expounded.
分析综采工作面的煤尘分布规律，阐述了治理粉尘的对策及效果。
To improve the environment, many measures have been taken to reduce and control flying dust.
北京为了改善环境，积极治理扬尘天气。
Based on dust analysis of preparation plant, many kinds of dust prevention measures are pointed out in order to further control the harm caused by dust.
在对选煤厂粉尘分析的基础上，提出了多种防尘对策，以进一步控制粉尘对人身造成的危害。
A cohort of 2404 subjects and 150 pneumoconiosis was conducted among ceramics workers to evaluate the effectiveness of dust-control and preventive measures in a ceramics plant in Hunan province.
本文采用队列研究方法评价湖南界牌陶瓷厂矿防尘效果。研究队列2404人，陶工尘肺150例。
A cohort of 2404 subjects and 150 pneumoconiosis was conducted among ceramics workers to evaluate the effectiveness of dust-control and preventive measures in a ceramics plant in Hunan province.
本文采用队列研究方法评价湖南界牌陶瓷厂矿防尘效果。研究队列2404人，陶工尘肺150例。
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