For the purification process for complexing of cholesterol, change of complexing reagent from Ca-C to Ca-D improved complexing selectivity and cholesterol yield.
对胆甾醇配合及其提纯过程，将配合试剂从原来的钙盐C改为钙盐d，大大提高了配合的选择性和胆甾醇收率。
3
ObjectiveTo investigate the value of the variations in the level of D-dimer and carbohydrate antigen 242 (ca 242) for the diagnosis of colorectal cancer and clinical application.
目的探讨结直肠癌患者血浆d -二聚体和血清糖类抗原242 (CA 242)的浓度变化对结直肠癌诊断及其临床应用价值。