The relative risk of these chemicals was also investigated based on cumulative probability distribution curves, which were generated based on both exposure and acute toxicity data.
根据各物质的环境暴露浓度和相应急性毒性值的累计概率分布曲线估计了各物质相对风险性的大小。
For PETROTECH Drilling Fluids Service 'mud system, the toxicity data (EC50 values) is as follow.
对于中海石油技术服务泥浆公司的泥浆体系，请看以下的毒性数据(EC50值)。
For PETROTECH Drilling Fluids Service 'mud system, the toxicity data (EC50 values) is as follow.
对于中海石油技术服务泥浆公司的泥浆体系，请看以下的毒性数据(EC50值)。
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