| 1. | Occupational exposure limit for hazardous agents in the workplace 工作场所有害因素职业接触限值 |
| 2. | Classified investigation on the hazardous factors in a petrifaction enterprise 某石化企业有害因素分级调查与分析 |
| 3. | Classification and code for the hazardous and harmful factors in production process 生产过程危险和有害因素分类与代码 |
| 4. | Analysis on the current situation of hazardous factors monitoring in hunan province - owned enterprises 湖南省直管企业有害因素监测现况分析 |
| 5. | Synthetical evaluation of the main hazardous factors in tunnel outlet work by close - value method 应用密切值法综合评价隧道出碴作业主要有害因素 |
| 6. | Detrimental factors will quite likely outweigh the benefits of rising automobile usage 汽车使用量的增加带来的有害因素很有可能超过它的好处。 |
| 7. | Results : the leading harmful factors for drivers ' occupation health are vibration and heats , the next in order are noise and dust 结果:矿运司机的主要职业有害因素为振动和高温,其次为噪声、粉尘。 |
| 8. | It has been hypothesised that enironmental risk factors , such as parental smoking , number of siblings , and air pollution , are responsible for this increase 已假定的环境有害因素,如:父母亲吸烟、同胞数量和空气污染都应对该病的患病率增加负责。 |
| 9. | Aluminum ( al ) toxicity is one of the most deleterious factors for plant growth in acidic soils because over 50 % of the world ' s potentially arable lands are acidic 摘要全世界50 %以上潜在的可耕地属于酸性土壤,铝毒害是酸性土壤上植物生长最有害因素之一。 |