目的探讨联合检测血清中肿瘤标志物甲胎蛋白（AFP）、癌胚抗原（CEA）、糖类抗原125（CA125）、CA19-9对消化系恶性肿瘤的诊断价值。

Objective To explore the clinical value of combined detection of alpha fetoprotein(AFP), carcinoembryonic antigen(CEA), CA125 and CA19-9 in the diagnosis of malignant tumors in digestive system.

youdao

研究了混合菌种接种到泥炭填料塔后，去除混合硫系恶臭H_2S、甲硫醚和甲硫醇的情况。

Removal characteristics of hydrogen(H2S), dimethyl and methanethiol by peat tower inoculated with mixed strains were observed.

youdao

研究了混合菌种接种到泥炭填料塔后，去除混合硫系恶臭h_2s、甲硫醚和甲硫醇的情况。

Removal characteristics of hydrogen (H2S), dimethyl (DMS) and methanethiol (MT) by peat tower inoculated with mixed strains were observed.

youdao