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- According to the data of sample,the time weighted average concentration(TWA)of each sampling spot were calculated. 根據測定的數值計算出每個(gè)測塵點(diǎn)的時(shí)間加權平均濃度(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). 作業(yè)車(chē)間空氣中苯的時(shí)間加權濃度 (TWA)為 4 2 2 9mg m3,高于國家衛生標準 (6mg m3)。
- Objective To study the relationship between the environmental instantaneous concentration(EIC) and time weighted average concentration(TWA) of silica dust in workplaces. 探討生產(chǎn)場(chǎng)所矽塵環(huán)境瞬時(shí)濃度(EIC)與其時(shí)間加權平均濃度(TWA)間的關(guān)系。
- Keywords TNT;Maximum allowable concentration（MAC）;Time weighted average（TWA） concentration;Revision of hygienic standard; 三硝基甲苯;最高容許濃度;時(shí)間加權平均濃度;衛生標準修訂;
- time weighted average concentration 時(shí)間加權平均濃度
- Time Weighted Average Month Program 時(shí)間加權平均的月計劃
- Keywords time weighted average concentration;dust concentration of coalpit;coalface;tunnelling place.; 關(guān)鍵詞時(shí)間加權平均濃度;煤礦粉塵濃度;采面;掘進(jìn)頭;
- Determination of Time Weighted Average Concentration for 1,2-Dichloroethane, Trichloromethane and Carbon Tetrachloride in the Air of Workplaces 工作場(chǎng)所空氣中1,2-二氯乙烷、三氯甲烷、四氯化碳的時(shí)間加權平均濃度測定方法研究
- On the Relationship between Environmental Instantaneous Concentration and Time Weighted Average Concentration of Silica Dust in Workplaces 生產(chǎn)場(chǎng)所矽塵環(huán)境瞬時(shí)濃度與時(shí)間加權平均濃度關(guān)系的研究
- Preliminary study on monitoring the time weighted average permissible concentration of dust in the air by quartz crystal microbalances 石英晶體微天平技術(shù)測定空氣中粉塵時(shí)間加權平均容許濃度方法的初步研究
- Keywords Wood dust Nose cancer Occupational exposure limit Comparison Set up Time weighted average Health based OEL Acceptable OEL; 木粉塵;鼻癌;職業(yè)接觸極限值;比較;設定;時(shí)間加權平均濃度;健康基礎極限值;可接受極限值;
- time weighted average 時(shí)間加權平均值
- IAS 2 allows the FIFO or weighted average cost formulas. 實(shí)驗結果表明該方法優(yōu)于傳統的加權平均系數組合方法。
- The weighted average fee maximum assistance levels will be adjusted annually. 加權平均學(xué)費最高資助額會(huì )每年予以調整。
- 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. 計算約當產(chǎn)量通常有先進(jìn)先出法和加權平均法兩種方法。
- The band width of error entropy donut can be determined by weighted average error entropy of all line segments. 誤差熵環(huán)的帶寬取構成邊界線(xiàn)的各線(xiàn)段誤差熵的加權平均值。
- Project estimates a single project duration based on a weighted average of the three duration values for each task. Project基于每個(gè)任務(wù)的三個(gè)工期值的加權平均值估計單個(gè)項目工期。
- Is the weighted average of the ratio of the total amount of overdue loans over the total outstanding mortgage loans. 指過(guò)期按揭貸款總額占未償還按揭貸款總額的加權平均比率。
- Therefore, weighted average costs fall between the extreme cost figures that can result from other methods. 因而,加權平均成本處在從其他方法中可能得出的較大和較小的成本數字之間。
