NBN T 63-142-1980 8125 Non-ionic surface active agents - Polyethoxylat d derivatives -Determination of hydroxyl value - Acetic anhydride method《非离子表面活性剂 聚羟乙基衍生物 羟基指数的测定 酸醋酐法》.pdf

相关资源

CSN 75 7716-1998 Water quality - Biological analysis - Determination of saprobic index《水质 生物分析 腐生指数的测定》.pdf

NF T90-350-2004 Water quality - Determination of the standardized global biological index 《水质 标准化全球生物指数的测定》.pdf

NF T90-395-2003 Water quality - Determination of the Macrophytes biological index for Rivers (IBMR) 《水质 河流大型植物生物指数的测定》.pdf

EN 14166-2009 en Foodstuffs - Determination of vitamin B6 by microbiological assay《食品 采用微生物法测定维生素B6指数》.pdf

BS EN 15590-2011 Solid recovered fuels Determination of the current rate of aerobic microbial activity using the real dynamic respiration index《固体回收燃料 利用实时动态呼吸指数测定好氧微生物活动的气流强度》.pdf

EN 15590-2011 en Solid recovered fuels - Determination of the current rate of aerobic microbial activity using the real dynamic respiration index《固体回收燃料 使用实际动力呼吸指数测定好氧微生物活动的气流强度》.pdf

NBN T 63-143-1980 5000 Non-ionic surface active agents - Polyalkoxylated derivatives - Determination of hydroxyl value - Phthalic anhydride method《非离子表面活性剂 聚烷氧酯衍生物 羟基指数的测定 酞酸酐法》.pdf

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