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QB/T 5299-2018 葡萄酒中甘油稳定碳同位素比值(13C/12C)测定方法 液相色谱联用稳定同位素比值质谱法 Determination of the 13C/12C isotope ratio of glycerol in wines--Method using liquid chromatography cou
2023-10-20 08:24:01
GB/T 4022.1-2021 卧轴矩台平面磨床 精度检验 第1部分:工作台面长度1600mm的机床 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table—Testing of the accuracy—Part 1: Machines with table surface length of up to 1 600 mm
2023-05-13 07:48:01
GB 19510.3-2009灯的控制装置 第3部分:钨丝灯用直流/交流电子降压转换器的特殊要求Lamp controlgear—Part 3:Particular requirements for d.c.or a.c. supplied electronic step-down convertors for filament lamps
2023-01-07 09:57:01
AS/NZS 1301.530-2016 纸浆和纸张测试方法 - 漫反射测定颜色 - 室内日光条件(C / 2度) Methods of test for pulp and paper - Determination of colour by diffuse reflectance - Indoor daylight conditions (C/2 degrees)
2023-08-05 12:00:01
ASTM C496/C496M-2017 圆柱形混凝土试样劈裂抗拉强度试验方法 Standard Test Method for Splitting Tensile Strength of Cylindrical Concrete Specimens
2023-05-07 03:24:01
ASTM C273/C273M-2018夹层芯材剪切性能试验方法Standard Test Method for Shear Properties of Sandwich Core Materials
2023-04-19 07:10:01
ASTM C272/C272M-2018夹层结构芯材吸水性试验方法Standard Test Method for Water Absorption of Core Materials for Sandwich Constructions
2023-04-23 22:00:01
ASTM C140/C140M-2017 混凝土砌块与相关砌块取样及测试的试验方法 Standard Test Methods for Sampling and Testing Concrete Masonry Units and Related Units
2023-06-15 10:24:02
ASTM C42/C42M-2018 混凝土钻孔样心和锯梁的获取及测试方法 Standard Test Method for Obtaining and Testing Drilled Cores and Sawed Beams of Concrete
2023-05-27 12:24:01
ASTM C1040/C1040M-2016a 用核法现场测定包括辊子捣实混凝土在内的硬化与非硬化混凝土密度的试验方法 Standard Test Methods for In-Place Density of Unhardened and Hardened Concrete, Including Roller Compacted Concrete, By Nuclear Methods
2023-07-12 21:12:01