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GB/T 33047.2-2021塑料聚合物热重法（TG）第2部分：活化能的测定Plastics. Thermogravimetry (TG) of polymers. Part 2:...2022-03-18

GB/T 33047.3-2021塑料聚合物热重法（TG）第3部分：使用 Ozawa-Friedman 绘图测定活化能和分析反应动力学Plastics. Ther...2022-03-18

GB/T 39715.3-2021塑料生物基含量第3部分：生物基合成聚合物含量的测定Plastics. Biobased content. Part 3:Determi...2022-03-18

GB/T 39715.4-2021塑料生物基含量第4部分：生物基物质含量的测定Plastics. Biobased content. Part 4: Determinatio...2022-03-18

GB/T 40280-2021塑料液态或乳液态或分散体系的树脂用单筒旋转黏度计测定表观黏度Plastics. Resins in the liquid ...2022-03-18

GB/T 40281-2021钢中非金属夹杂物含量的测定极值分析法Determination of content of nonmetallic inclusions in st...2022-03-18

GB/T 40302-2021塑料立式软薄试样与小火焰源接触的燃烧性能测定Plastics. Determination of burning behaviour of ...2022-03-18

GB/T 40304-2021钢中非金属夹杂物含量的测定钢坯全截面法Determination of content of nonmetallic inclusions in ...2022-03-18

GB/T 40312-2021磷铁磷、硅、锰和钛含量的测定波长色散X射线荧光光谱法（熔铸玻璃片法）Ferrophosphorus. Determinati...2022-03-18

GB/T 40323-2021纺织染整助剂产品中八甲基环四硅氧烷（D4）、十甲基环五硅氧烷(D5)和十二甲基环六硅氧烷(D6)的测定Deter...2022-03-18

GB/T 40342-2021钢丝热镀锌铝合金镀层中铝含量的测定Method for determination of aluminum content in hot dipped ...2022-03-18

GB/T 40345-2021植物保护机械确定可排放液体体积及浓度的试验方法Crop protection equipment. Test method for the...2022-03-18

GB/T 40348-2021植物源产品中辣椒素类物质的测定液相色谱-质谱/质谱法Determination of capsaicinoid in plant der...2022-03-18

GB/T 40367-2021塑料暴露于海洋沉积物中非漂浮材料最终需氧生物分解能力的测定通过分析释放的二氧化碳的方法Plast...2022-03-18

GB/T 40369-2021免疫层析试纸条检测通则General rules for determination of immunochromatographic test strip...2022-03-18

GB/T 40368-2021植物代谢产物胰蛋白酶抑制因子测定酶联免疫吸附法Determination of kunitz trypsin inhibitor of p...2022-03-18

GB/T 40377-2021金属和合金的腐蚀交流腐蚀的测定防护准则Corrosion of metals and alloys. Determination of AC c...2022-03-18

GB/T 40380.1-2021金属粉末高温时松装密度和流速的测定第1部分：高温时松装密度的测定Metallic powders. Determinat...2022-03-18

GB/T 40380.2-2021金属粉末高温时松装密度和流速的测定第2部分：高温时流速的测定Metallic powders. Determination ...2022-03-18

GB/T 40384-2021塑料聚合物熔体瞬态拉伸黏度的测定Plastics. Determination of the transient extensional viscosi...2022-03-18

GB/T 40395-2021工业用甲醇中铵离子的测定离子色谱法Determination of ammonium in methanol for industrial use. ...2022-03-18

GB/T 40401-2021骨架密度的测量气体体积置换法Determination of density by volumetric displacement. Skeleton de...2022-03-18

GB/T 40414-2021浮筑地面用绝热制品厚度的测量Determination of thickness for floating-floor thermal insulating ...2022-03-18

GB/T 40415-2021建筑用光伏玻璃组件透光率测试方法Determination of light transmittance for the photovoltaic gla...2022-03-18

GB/T 40442-2021纸、纸板和纸浆纤维组成分析中质量因子的测定Paper, board and pulps. Determination of weight fa...2022-03-18

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