GB/T 39993-2021.Determination of permitted preservatives dimethyl oxazolidine,7-ethylbicyclooxazolidine and 5-bromo -5-nitro-1 , 3-dioxane in cosmetic

GB/T 40254-2021.Detection and identification of Verticillium Nees using real-time PCR. 1范围 GB/T 40254描述了植物病原真菌轮枝菌属实时荧光聚合酶链式反应(PCR)检疫鉴定方法。 GB/T 40254适用

GB/T 40255-2021.Code of diagnosis for infection with hepatopancreatic parvovirus of penaeid shrimp一PCR method. 1范围 GB/T 40255规定了对虾肝胰腺细小病毒病诊断规程中普遍适用的核酸

GB/T 40066-2021.Nanotechnologies- Thickness measurement of graphene oxide-Atomic Force Microscopy (AFM). 1范围 GB/T 40066规定了原子力显微镜法( AFM)测量氧化石墨烯厚度的样品制备、

GB/T 22576.2-2021.Medical laboratories-Requirements for quality and competence-Part 2: Requirements in the field of clinical hematological examination

GB/T 40257-2021.Code of diagnosis for infection with taura syndrome virus-RT-PCR method. 1范围 GB/T 40257规定了桃拉综合征诊断规程中普遍适用的核酸检测技术的要求,针对桃拉综合征病毒( taura sy

GB 50014-2021.Standard for design of outdoor wastewater engineering. 1总则 1.0.1 为保障城市安全,科学设计室外排水工程,落实海绵城市建设理念,防治城市内涝灾害和水污染,改善和保护环境,促进资源利用,提高人民健康水平,制定本标

GB/T 40188-2021.Technical code of breeding practice with molecular marker assisted selection for livestock and poultry. 1范围 GB/T 40188规定了畜禽分子标记辅助育种的基本

GB/T 40223-2021.Determination of free gossypol of plant metabolites-Enzyme-linked immunosorbent assay. 1范围 GB/T 40223规定了植物代谢产物游离棉酚的酶联免疾吸附测定方法。 GB/T 40

GB/T 40186-2021.Determination of genetic material damage strength for microbial mutation breeding-Umu method. 1范围 GB/T 40186规定了用生物遗传毒性(umu)测试方法测定微生物诱变