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- Based on two sets of data from occupational epidemiology, Benchmark dose(BMD) was applied to estimate biological exposure limit (BEL). 根据职业流行病学资料,研究基准剂量(BMD)在制定生物接触限值中的应用。
- Preparation of biological exposure limit for occupational exposure to dimethylformamide 职业接触二甲基甲酰胺生物限值的研制
- The study on application of toxicokinetics to derive biological exposure limits 应用毒物代谢动力学模型推导生物接触限值的探讨
- Biological exposure limit 生物接触限值
- Both are over the Permissible Exposure Limit (5mg/m3)promulgated by OSHA, USA. 均超过职业接触柴油机废气颗粒物有关联的美国OSHA的容许接触限值5mg/m3。
- Objective To explore the biological exposure indices (BEI) of dimethylformamide (DMF)in China. 目的探讨我国二甲基甲酰胺(DMF)的生物接触限值(BEI)。
- Consult local authorized for acceptable exposure limits. 谘询地方当局的专家;可接受的曝露范围.
- The EEL represents a cumulative exposure limit taking into account both the time of exposure and the concentration at which the exposure occurs. eel代表了一个既考虑了暴露时间又考虑了暴露发生时的浓度的累积的暴露极限。
- While exposure at these levels may produce injury, the injury would be reversible. The EEL represents a cumulative exposure limit taking into account both the time of exposure and the concentration at which the exposure occurs. 虽然在这种水平的暴露可能导致伤害，但伤害是可逆的。eel代表了一个既考虑了暴露时间又考虑了暴露发生时的浓度的累积的暴露极限。
- The German occupational exposure limit for fumes and aerosols emitted from hot bitumen is a technical guidance value, which reflects technical feasibility and is not primarily based on toxicological findings. 德国对于沥青烟气和悬浮颗粒的限值只是一种技术性指导数据,反映了技术上的可行性,而主要不是依据毒理学方面的研究得出的。
- Respiratory protection: If there is potential to exceed exposure limits, use and approved respirator. 呼吸的保护:如果环境超出了气体的允许限制,可采用相应的呼吸器材。
- OCCUPATIONAL EXPOSURE LIMITE: NOT ESTABLISHED ENGINEERING MEASURES: Local ventilation to be used. 操作措施:保持空气流通。
- Access near base station antennas is restricted where RF signals may exceed international exposure limits. 一般民众不得接近基地台天线，因为该地射频讯号可能超过国际暴露值限制。
- Studies on biological exposure indices of dimethylformamide 二甲基甲酰胺生物接触限值的研究
- In area where noise does exceed safe exposure limits, are the workers required to wear personal protective equipment (PPE) for hearing? 在噪音超标区域，工人是否被要求穿戴个人防护用品以保护听力？
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- Engineering contacts: If general ventilation is insufficient to maintain vapor concentration below Established exposure limits, use local exhaust ventilation. 如果在不够通风的条件下处理,需要采用一定的通风设备进行处理。
- Avoid prolonged or repeated breathing of vapor or mists. If exposure may of does exceed occupational exposure limits, use a NIOSH approved respirator to prevent overexposure. 避免过长或重复呼吸其蒸气或烟雾,若超过职业暴露限制,请佩戴NIOSH确认的呼吸器。
- Threshold limit value-short term exposure limit 短期接触限值
- The school has a large biological laboratory. 这所学校有一个很大的生物实验室。
