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Anzahl der Treffer (Daten werden monatlich aktualisiert): 83618
Weiter Weiter| 18701 - 18710 | 18711 - 18720|18721 - 18730 |Weiter Weiter

GB/T 40067-2021

碳化钨粉末微观组织及缺陷检测方法

Microstructure and defect determination of tungsten carbide powder

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

GB/T 9966.13-2021

天然石材试验方法 第13部分:毛细吸水系数的测定

Test methods for natural stone—Part 13: Determination of water absorption coefficient by capillarity

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 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 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

Anzahl der Treffer (Daten werden monatlich aktualisiert): 83618
Weiter Weiter| 18701 - 18710 | 18711 - 18720|18721 - 18730 |Weiter Weiter