20资源列表
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[国外标准] ASTM E570-20 Standard Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Product
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[国外标准] ASTM E494-20 Standard Practice for Measuring Ultrasonic Velocity in Materials by Comparative Pulse
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[国外标准] ASTM E399-20a Standard Test Method for Linear-Elastic Plane-Strain Fracture Toughness of Metallic
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[国外标准] ASTM E321-20 Standard Test Method for Atom Percent Fission in Uranium and Plutonium Fuel (Neodymiu
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[国外标准] ASTM E3168-20a Standard Practice for Determining Low-Contrast Visual Acuity of Radiographic Interp
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[国外标准] ASTM E3086-20 Standard Practice for Creating Appliques for Use in Testing of Nonplanar Soft Body A
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[国外标准] ASTM E1114-20 Standard Test Method for Determining the Size of Iridium-192, Cobalt-60, and Seleniu
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[国外标准] ASTM E1053-20 Standard Practice to Assess Virucidal Activity of Chemicals Intended for Disinfectio
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[国外标准] ASTM E104-20 Standard Practice for Maintaining Constant Relative Humidity by Means of Aqueous Solu
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[国外标准] ASTM D8353-20 Standard Guide for Determination of Individual Particle Strength of Low Surface Area
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[国外标准] ASTM D8352-20 Standard Test Method for Determination of Relative Crystallinity of Zeolite Beta by
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[国外标准] ASTM D8350-20 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IVB Sp
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[国外标准] ASTM D8339-20 Standard Test Method for The Analysis of Flue Gas Desulfurization Solids by Macro Th
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[国外标准] ASTM D8311-20 Standard Test Method for Impurities in Monoethylene Glycol by Gas Chromatography wit
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[国外标准] ASTM D8291-20 Standard Test Method for Evaluation of Performance of Automotive Engine Oils in the
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[国外标准] ASTM D8278-20 Standard Specification for Digital Contact Thermometers for Test Methods Measuring F
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[国外标准] ASTM D8277-20 Standard Test Method for Wet Filterability of Lubricants and Hydraulic Fluids by Mas
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[国外标准] ASTM D8273-20 Standard Practice for Determination of Total and Available Cyanide in Solid Waste an
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[国外标准] ASTM D8257_D8257M-20 Standard Specification for Mechanically Attached Polymeric Roof Underlayment
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[国外标准] ASTM D8227-20 Standard Test Method for Determining the Coefficient of Friction of Synchronizer Lub
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[国外标准] ASTM D8226-20a Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel E