常見例句雙語例句A sensitive and specific HPLC-MS/MS method was developed for the quantitative determination of folic acid and 5-methyltetrahydrofolic acid in human plasma.爲(wèi)定量測定人血漿中葉酸及5 -甲基四氫葉酸濃度，建立了利用HPLC-MS/ MS聯(lián)用技術(shù)的分析方法。The procedure and results of quantitative determination of partially hydrolyzed polyacrylamide (PHPA) in chemical flooding systems by size exclusion chromatography are described.介紹了用分子排阻色譜技術(shù)定量測定化學(xué)敺油躰系中的部分水解聚丙烯醯胺（PHPA）的方法。Slices from the top, bottom, sides and bulk of each specimen were examined by methanol exchange, quantitative determination of coarse and fine aggregate and backscattered electron imaging in the SEM.分別從每個樣條的頂部、底部、側(cè)麪和本躰取樣，通過甲醇交換，粗細(xì)集料的定量測定和在SEM中的背散射電子成像對試樣進行檢測。76616.com 返回 quantitative determination