[GB/T 36083-2018] 纳米技术 纳米银材料 生物学效应相关的理化性质表征指南[现行]
发布时间:2018-03-15
实施时间:2018-10-01
本标准规定了纳米银材料生物学效应相关的理化性质表征的通用方法,包括对纳米银材料平均粒径及粒径分布、z..
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[DB21/T 2752-2017] 几丁寡糖含量的测定 液相色谱法[现行]
发布时间:2017-02-23
实施时间:2017-03-23
本标准规定了用液相色谱法测定几丁寡糖含量的原理、仪器和设备、试剂和材料、测定步骤、结果的计算和重复性..
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[SY/T 5281-2000] 原油破乳剂使用性能检测方法(瓶试法)[已作废]
发布时间:2000-03-10
实施时间:2000-10-01
本标准规定了用瓶试法检测原油破乳剂使用性能的方法。本标准适用于原油破乳剂使用性能的检验。
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[HY/T 034.1-1994] 电渗析技术 术语[现行]
发布时间:1994-12-17
实施时间:1994-07-01
本标准规定了电渗析的术语。本标准适用于有关电渗析器,电渗析脱盐方法和离子交换膜的标准、规范、试验、鉴..
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[HY/T 034.2-1994] 电渗析技术 异相离子交换膜[现行]
发布时间:1994-12-17
实施时间:1994-07-01
本标准规定了电渗析民相离子交换膜的技术要求、试验方法、检验规则、标志、包装、运输、贮存。本标准主要适..
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[HY/T 034.4-1994] 电渗析技术 脱盐方法[现行]
发布时间:1994-12-17
实施时间:1994-07-01
本标准规定了电渗析技术的脱盐工艺的各项技术要求。本标准适用于饮用水、工业用水、低压锅炉补给水、机床用..
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发布时间:1993-08-06
实施时间:1994-09-01
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[DZ/T 0011-1991] 地球化学普查规范 比例尺1:50 000[已作废]
发布时间:1991-06-22
实施时间:1992-01-01
本规范对地球化学普查工作的工作性质和测区选择,设计书的编写,野外工作方法,样品加工,野外工作质量检查..
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[GB 4470-1984] 火焰发射 原子吸收和原子荧光光谱分析法术语[已作废]
发布时间:1985-03-01
实施时间:1985-03-01
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