共查询到20条相似文献,搜索用时 15 毫秒
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B. P. Kremer 《当今生物学》1991,21(6):330-330
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Zdenek Salzmann 《American anthropologist》1994,96(3):747-748
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Hans A. Baer 《The journal of the Royal Anthropological Institute》2013,19(2):423-424
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Carel J. van Oss 《Preparative biochemistry & biotechnology》2013,43(5):507-510
Abstract Prothrombin complex (P.C.) preparations obtained by batch adsorption onto DEAE-Sephadex are highly enriched in C4. Based on this observation a technique has been elaborated where the P.C. analogue is further submitted to precipitation by ethanol and batch adsorption of impurities on DEAE-Cellulose. Unaltered C4 is obtained in a 2 days process with a yield corresponding to 40 % of the starting material (cryoconcentrate supernatant). 相似文献
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Mutation and the environment. Vol. A: Basic mechanisms: Vol. B: Metabolism, testing methods, and chromosomes; Vol. C: Somatic and heritable mutation, adduction, and epidemiology; Vol. D: Carcinogenesis; Vol E: Environmental genotoxicity, risk, and modulation
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George R. Hoffmann 《American journal of human genetics》1991,49(1):248-249
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