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GB/T 43096-2023 Metal powders. Determination of external specific surface area by powder layer permeability test under steady flow conditions. - 英文版 |
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GB/T 10322.9-2023 Iron ore - Determination of specific surface area - Blaine permeability method - 英文版 |
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GB/T 42659-2023 Surface chemical analysis Scanning probe microscopy Determination of geometric quantities using scanning probe microscopy: Calibration of measurement systems - 英文版 |
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GB/T 3222.2-2022 Acoustics—Description, measurement and assessment of environmental noise—Part 2: Determination of sound pressure levels - 英文版 |
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GB/T 19889.2-2022 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 2 : Determination and application of measurement uncertainties - 英文版 |
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GB/T 41366-2022 Livestock and poultry meat quality detection Determination of moisture, protein and fat content Near infrared method - 英文版 |
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GB/T 41894.3-2022 Ships and Offshore Technology Determination of Shaft Power in Ship Propulsion Systems by Measuring Shaft Deformation Part 3: Elastic Vibration Method - 英文版 |
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GB/T 41894.2-2022 Ships and marine technology - Determination of shaft power in ship propulsion systems by measuring shaft deflection - Part 2: Optical reflection method - 英文版 |
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GB/T 40611-2021 Plastics—Determination of aerobic biodegradation of non-floating plastic materials in a seawater/ sandy sediment interface—Method by measuring the oxygen demand in closed respirometer - 英文版 |
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GB/T 40357-2021 Hair products—Determination of the permeability of hairpiece to air - 英文版 |
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GB/T 9966.9-2021 Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency - 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 3488.3-2021 Hardmetals—Metallographic determination of microstructure—Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals - 英文版 |
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GB/T 17421.10-2021 Test code for machine tools -- Part 10: Determination of the measuring performance of probing systems of numerically controlled machine tools - 英文版 |
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GB/T 41171-2021 Urine-absorbing aids for incontinence -- Measurement of airborne respirable polyacrylate superabsorbent materials -- Determination of dust in collection cassettes by sodium atomic absorption spectrometry - 英文版 |
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GB/T 40944-2021 Determination of feed particle size—Geometric mean diameter method - 英文版 |
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GB/T 6683.1-2021 Petroleum and related products—Precision of measurement methods and results—Part 1: Determination of precision data in relation to methods of test - 英文版 |
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GB/T 40789-2021 Gas analysis—Online automated measuring systems for content of carbon monoxide,carbon dioxide and oxygen—Determination of performance characteristics - 英文版 |
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GB/T 2679.1-2020 Paper—Determination of transmittance—Diffuse reflectance measurement - 英文版 |
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GB/T 24328.11-2020 Tissue paper and tissue products—Part 11: Determination of optical properties—Measurement of brightness and colour—C/2°(indoor daylight) illuminant - 英文版 |
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GB/T 24328.8-2020 Tissue paper and tissue products—Part 8: Determination of optical properties—Measurement of brightness and colour—D65/10°（outdoor daylight conditions) - 英文版 |
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GB/T 38737-2020 Plastics—Determination of the ultimate anaerobic biodegradation of plastic materials in controlled slurry digestion systems—Method by measurement of biogas production - 英文版 |
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GB/T 38516-2020 Permeable sintered metal materials—Determination of average pore size of medium flow - 英文版 |
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GB/T 39369-2020 Leather—Physical and mechanical tests—Determination of water vapour permeability - 英文版 |
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GB/Z 6113.403-2020 Specification for radio disturbance and immunity measuring apparatus and methods—Part 4-3: Uncertainties,statistics and limit modelling—Statistical considerations in the determination of EMC compliance of mass-produced products - 英文版 |
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GB/T 7991.7-2019 Test method of viterous and porcelain enamels—Part 7：Determination of coefficient of mean lincar thermal expansion - 英文版 |
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GB/T 7755.2-2019 Rubber, vulcanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure methods - 英文版 |
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GB/T 7991.7-2019 Test method of viterous and porcelain enamels—Part 7：Determination of coefficient of mean lincar thermal expansion - 英文版 |
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GB/T 7755.2-2019 Rubber, vulcanized or thermoplastic—Determination of permeability to gases—Part 2: Equal-pressure methods - 英文版 |
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GB/T 23227-2018 Materials used as cigarette papers, filter plug wrap and filter joining paper, including materials having a discrete or oriented permeable zone and materials with bands of differing permeability — Determination of air permeability - 英文版 |
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