Studies on the Antimetabolites of Bacteria. II
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چکیده
منابع مشابه
Studies of Antimetabolites* Ii. I-acetylpyridine
When 3acetylpyridine (3-AP) is fed to dogs, large amounts of a normal end-product of nicotinic acid metabolism, N’-methylnicotinamide (NMeN), appear in the urine (1). This finding might be interpreted as evidence that 3-AP, acting as an antivitamin, displaces nicotinamide from its nucleotides or prevents its incorporation therein, or, alternatively, that 3-AP is biologically oxidized to nicotin...
متن کاملStudies of antimetabolites. II. 3-Acetylpyridine.
When 3acetylpyridine (3-AP) is fed to dogs, large amounts of a normal end-product of nicotinic acid metabolism, N’-methylnicotinamide (NMeN), appear in the urine (1). This finding might be interpreted as evidence that 3-AP, acting as an antivitamin, displaces nicotinamide from its nucleotides or prevents its incorporation therein, or, alternatively, that 3-AP is biologically oxidized to nicotin...
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قاعده مقتضی و مانع در متون فقهی کم و بیش مستند احکام قرار گرفته و مورد مناقشه فقهاء و اصولیین می باشد و مشهور معتقند مقتضی و مانع، قاعده نیست بلکه یکی از مسائل ذیل استصحاب است لذا نگارنده بر آن شد تا پیرامون این قاعده پژوهش جامعی انجام دهد. به عقیده ما مقتضی دارای حیثیت مستقلی است و هر گاه می گوییم مقتضی احراز شد یعنی با ماهیت مستقل خودش محرز گشته و قطعا اقتضاء خود را خواهد داشت مانند نکاح که ...
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چکیده ندارد.
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cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: YAKUGAKU ZASSHI
سال: 1953
ISSN: 0031-6903,1347-5231
DOI: 10.1248/yakushi1947.73.11_1150