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GB/T 43358-2023 Rare earth ores and rare earth products Determination of total alpha and total beta radioactivity Thick source method - 英文版 |
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GB/T 43355-2023 Determination of antiviral activity on surfaces of plastics and other non-porous materials - 英文版 |
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GB/T 31402-2023 Determination of antimicrobial activity on surfaces of plastics and other non-porous materials - 英文版 |
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GB 5009.290-2023 National Food Safety Standard Determination of vitamin K2 in Food - 英文版 |
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GB 5009.296-2023 National Food Safety Standard Determination of vitamin D in Food - 英文版 |
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GB 5009.154-2023 National food safety standards Determination of vitamin B6 in food - 英文版 |
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GB 5009.285-2022 National food safety standards Determination of vitamin B12 in food - 英文版 |
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GB/T 1553-2023 Determination of minority carrier lifetime in silicon and germanium Photoconductivity decay method - 英文版 |
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GB/T 42919.6-2023 Plastics - Determination of thermal conductivity and thermal diffusivity - Part 6: Comparative method based on temperature modulation technology - 英文版 |
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GB/T 42919.4-2023 Plastics - Determination of thermal conductivity and thermal diffusivity - Part 4: Laser flash method - 英文版 |
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GB/T 42919.3-2023 Plastics - Determination of thermal conductivity and thermal diffusivity - Part 3: Temperature wave analysis method - 英文版 |
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GB/T 42919.1-2023 Plastics - Determination of thermal conductivity and thermal diffusivity - Part 1: General principles - 英文版 |
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GB/T 42349-2023 Determination of antiviral activity of photocatalytic materials Q-beta phage test method - 英文版 |
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GB/T 42483-2023 Determination of thermal conductivity of wood - heat flow method - 英文版 |
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GB/T 42275-2022 Cemented carbide - Determination of total carbon content - High frequency combustion infrared absorption method/thermal conductivity method - 英文版 |
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GB/T 41079.2-2022 Methods for Determination of Physical Properties of Liquid Metals Part 2: Determination of Electrical Conductivity - 英文版 |
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GB/T 41880-2022 Plastics - epoxy resins - determination of electrical conductivity of aqueous extracts - 英文版 |
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GB/T 40152-2021 Determination of saccharase activity in honey—Spectrophotometric method - 英文版 |
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GB/T 17650.2-2021 Test on gases evolved during combustion of materials from cables or optical fiber cables - Part 2: Determination of acidity (by pH measurement) and conductivity - 英文版 |
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GB/T 7991.1-2021 Test method of viterous and porcelain enamels—Part 1：Determination of resistance to alkaline liquids - 英文版 |
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GB/T 7991.3-2021 Test method of viterous and porcelain enamels -- Part 3: Determination of resistance to thermal shock - 英文版 |
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GB/T 40719-2021 Rubber,vulcanized or themoplastic—Determination of volume and/or surface resistivity - 英文版 |
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GB/T 5990-2021 Refractory materials—Determination of thermal conductivity, specific heat capacity and thermal diffusivity(hot-wire method) - 英文版 |
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GB/T 12690.4-2021 Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides—Part 4: Determination of oxygen and nitrogen contents—Impulse-infrared absorption and impulse-thermal conductivity method - 英文版 |
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GB/T 39100-2020 Determination of antioxidant activity for polypeptides—DPPH and ABTS methods - 英文版 |
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GB/T 39101-2020 Determination of antimicrobial activity for polypeptides—Inhibition zone method - 英文版 |
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GB/T 38577-2020 Determination of the biological activity for plant hormone-related secondary metabolites—Indicator plant method - 英文版 |
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GB/T 39704-2020 Determination of effective thermal conductivity for vacuum insulation panels(VIP) - 英文版 |
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GB/T 38484-2020 Determination of the biological activity for plant hormone-related secondary metabolites—Cytological method - 英文版 |
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GB/T 38483-2020 Determination of antibacterial activity for microbial secondary metabolites—Inhibition zone method - 英文版 |
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