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.
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.
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.
在固定床反应器中对钯系催化剂上CO气相催化偶联制草酸二乙酯和草酸二甲酯的空时收率、选择性和CO的转化率进行了实验研究。
The synthesis of dimethyl oxalate (DMO) and diethyl oxalate (DEO) by CO coupling reaction in gaseous phase over the supported palladium catalysts was investigated.
壳甲鳞基质素系利用虾壳、蟹壳、龟壳和鱼鳞中的有机活性物质复合而成的生物护肤美容品。
The present invention utilizes organic active matter in shell of shrimp, crab and tortoise and fish scale to produce biological skin care cosmetics.
壳甲鳞基质素系利用虾壳、蟹壳、龟壳和鱼鳞中的有机活性物质复合而成的生物护肤美容品。
The present invention utilizes organic active matter in shell of shrimp, crab and tortoise and fish scale to produce biological skin care cosmetics.
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