Search

Number of entries (Data is updated on a monthly basis): 47268
Weiter Weiter| 11401 - 11410 | 11411 - 11420|11421 - 11430 |Weiter Weiter

GB/T 40231-2021

电子电气产品中的限用物质 六价铬的测定方法 离子色谱法

Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method

GB/T 40230.2-2021

视疲劳测试与评价方法 第2部分:视知觉功能

Methods of visual fatigue test and evaluation—Part 2: Visual perception function

GB/T 40232-2021

冰雪运动场所用安全标志

Safety signs used in ice and snow sports areas

GB/T 40230.1-2021

视疲劳测试与评价方法 第1部分:眼视光学

Methods of visual fatigue test and evaluation—Part 1: Ophthalmology and optometry

GB/T 16137-2021

X射线诊断中受检者器官剂量的估算方法

Methods for estimation of examinee's organ doses in X-ray diagnosis

GB/T 40175.3-2021

纺织品 生物化学分析方法 第3部分:有机磷类农药(酶联免疫法)

Textiles—Methods of biochemical analysis—Part 3: Organophosphorus pesticide (enzyme-linked immunosorbent assay)

GB/T 20228-2021

砷化镓单晶

Gallium arsenide single crystal

GB/T 1551-2021

硅单晶电阻率的测定 直排四探针法和直流两探针法

Test method for measuring resistivity of monocrystal silicon—In-line four-point probe and direct current two-point probe method

GB/T 40110-2021

表面化学分析 全反射X射线荧光光谱法(TXRF)测定硅片表面元素污染

Surface chemical analysis—Determination of surface elemental contamination on silicon wafers by total-reflection X-ray fluorescence (TXRF) spectroscopy

GB/T 9966.9-2021

天然石材试验方法 第9部分:通过测量共振基本频率测定动力弹性模数

Test methods for natural stone—Part 9: Determination of the dynamic modulus of elasticity by measuring the fundamental resonance frequency

Number of entries (Data is updated on a monthly basis): 47268
Weiter Weiter| 11401 - 11410 | 11411 - 11420|11421 - 11430 |Weiter Weiter