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- According to the data of sample,the time weighted average concentration(TWA)of each sampling spot were calculated. 根据测定的数值计算出每个测尘点的时间加权平均浓度(TWA)。
- The time weighted average concentration(TWA) of benzene in workplace (42 29 mg/m 3) was higher than that of our national maximum allowable concentration (6 mg/m 3). 作业车间空气中苯的时间加权浓度 (TWA)为 4 2 2 9mg m3,高于国家卫生标准 (6mg m3)。
- 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。
- time weighted average concentration 时间加权平均浓度
- Time Weighted Average Month Program 时间加权平均的月计划
- Keywords time weighted average concentration;dust concentration of coalpit;coalface;tunnelling place.; 关键词时间加权平均浓度;煤矿粉尘浓度;采面;掘进头;
- Determination of Time Weighted Average Concentration for 1,2-Dichloroethane, Trichloromethane and Carbon Tetrachloride in the Air of Workplaces 工作场所空气中1,2-二氯乙烷、三氯甲烷、四氯化碳的时间加权平均浓度测定方法研究
- 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
- Preliminary study on monitoring the time weighted average permissible concentration of dust in the air by quartz crystal microbalances 石英晶体微天平技术测定空气中粉尘时间加权平均容许浓度方法的初步研究
- Keywords Wood dust Nose cancer Occupational exposure limit Comparison Set up Time weighted average Health based OEL Acceptable OEL; 木粉尘;鼻癌;职业接触极限值;比较;设定;时间加权平均浓度;健康基础极限值;可接受极限值;
- Keywords TNT;Maximum allowable concentration（MAC）;Time weighted average（TWA） concentration;Revision of hygienic standard; 三硝基甲苯;最高容许浓度;时间加权平均浓度;卫生标准修订;
- time weighted average 时间加权平均值
- IAS 2 allows the FIFO or weighted average cost formulas. 实验结果表明该方法优于传统的加权平均系数组合方法。
- The weighted average fee maximum assistance levels will be adjusted annually. 加权平均学费最高资助额会每年予以调整。
- Note： Based on the weighted average outstanding shares of each year. 註一：按各年度發行在外加權平均股數計算。
- There are two methods to calculate the equivalent units: FIFO and weighted average method. 计算约当产量通常有先进先出法和加权平均法两种方法。
- The band width of error entropy donut can be determined by weighted average error entropy of all line segments. 误差熵环的带宽取构成边界线的各线段误差熵的加权平均值。
- Project estimates a single project duration based on a weighted average of the three duration values for each task. Project基于每个任务的三个工期值的加权平均值估计单个项目工期。
- Is the weighted average of the ratio of the total amount of overdue loans over the total outstanding mortgage loans. 指过期按揭贷款总额占未偿还按揭贷款总额的加权平均比率。
- Therefore, weighted average costs fall between the extreme cost figures that can result from other methods. 因而,加权平均成本处在从其他方法中可能得出的较大和较小的成本数字之间。
