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- 2019-05-24 ISO/TS 19807-2 "Nanotechnologies -- Magnetic nanomaterials -- Part 2: Specification of characteristics and measurements for nanostructured superparamagnetic beads for nucleic acid extraction"
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GB/T 23602-2009
Methods of descaling and cleaning for titanium and titanium alloy surfaces
GB/T 23614.1-2009
钛镍形状记忆合金化学分析方法 第1部分:镍量的测定 丁二酮肟沉淀分离－EDTA络合-氯化锌返滴定法
Methods for chemical analysis of titanium nickel shape memory alloy - Part 1: Determination of nickel content - Dimethylglyoxime precipitate separatioin－EDTA complex-zinc chloride back titration
GB/T 23614.2-2009
钛镍形状记忆合金化学分析方法 第2部分:钴、铜、铬、铁、铌量的测定 电感耦合等离子体发射光谱法
Chemical analysis methods for titanium nickel shape memory alloy - Part 2: Determination of cobalt, copper, chromium, iron, niobium content - Inductively coupled plasma atomic emission spectrometry
GB/T 23391.3-2009
Technical specification for control of northern corn leaf blight,southern corn leaf blight and asian corn borer - Part 3: Asian corn borer
GB/T 23391.2-2009
Technical specification for control of northern corn leaf blight,southern corn leaf blight and asian corn borer - Part 2: Southern leaf blight