GB/T 41167-2021
General requirements for polyethylene terepHthalate(PET) bottle for drinks 聚对苯二甲酸乙二醇酯(PET)饮品瓶通用技术要求 |
GB/T 38482-2021
Determination of animal type Ⅰ collagen—Polyacrylamide gel electropHoresis 动物源性I型胶原蛋白成分测定 聚丙烯酰胺凝胶电泳法 |
GB/T 41064-2021
Surface chemical analysis—Depth profiling—Method for sputter rate determination in X-ray pHotoelectron spectroscopy, Auger electron spectroscopy and secondary-ion mass spectrometry sputter depth profiling using single and multi-layer thin films 表面化学分析 深度剖析 用单层和多层薄膜测定X射线光电子能谱、俄歇电子能谱和二次离子质谱中深度剖析溅射速率的方法 |
YC/T 405.4-2021
Determination of Dithiocarbamate Pesticide Residues in Tobacco and Tobacco Products-Gas ChromatograpHy-Mass Spectrometry 烟草及烟草制品 二硫代氨基甲酸酯农药残留量的测定 气相色谱-质谱联用法 |
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