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- prevention of silica dust 防止矿尘
- Features of silica dust is narrated in detail as well as present production and characteristics of ferrosilicon and industrial silicon. 详细地论述了硅尘的特征、硅铁及工业硅生产现状及特点；
- Objective To study the relationship between the environmental instantaneous concentration(EIC) and time weighted average concentration(TWA) of silica dust in workplaces. 探讨生产场所矽尘环境瞬时浓度(EIC)与其时间加权平均浓度(TWA)间的关系。
- Long-term in the higher levels of silica dust, such as mining, Fansha, sandblasting, the system ceramics, refractories, and other places of work of the Yi breast cancer. 长期在二氧化硅粉尘含量较高的地方，如采矿、翻砂、喷砂、制陶瓷、制耐火材料等场所工作的人易患此病。
- They have begun to do the prevention of crime. 他们已经开始防止犯罪行为。
- Prevention of or protective treatment for disease. 预防对疾病的防止或保护性处理
- Health standard for respirable silica dust in the air of workplace. 车间空气中呼吸性矽尘卫生标准.
- Stress should be put on the prevention of diseases. 疾病应以预防为主。
- Workers exposed to silica dust receive regular physical examinations. 和硅土接触的工人定期检查身体。
- A variety of silica that contains microcrystalline quartz. 燧石含微小晶状的石英的各种硅石
- On the Relationship between Environmental Instantaneous Concentration and Time Weighted Average Concentration of Silica Dust in Workplaces 生产场所矽尘环境瞬时浓度与时间加权平均浓度关系的研究
- Low-dose Aspirin for prevention of pre-eclampsia. 小剂量阿斯匹林预防先兆子痫。
- Prevention of Coronary Heart Disease? 怎样预防冠心病?
- Preparation of Silica Antireflective Coating for UV-Laser[J]. 引用该论文 张林;杜凯;周兰;涂海燕.
- Prevention of illness is better than curing it. 防病胜过治病。
- PREVENTION OF HARMFUL VIBRATIONS ON BOARD SHIPS II. 船上有害振动的预防2。
- Prevention of forest fires is up to you. 森林防火是你们的责任。
- Air pollution prevention of incinerator emission. 焚化炉排放之废气。
- Prevention of disease is very important. 预防疾病是很重要的。
- Silicosis: Common pneumoconiosis caused by long-term inhalation of silica mineral dust. 硅肺: 因长期吸入二氧化硅而造成的肺尘埃沉着
