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Anzahl der Treffer (Daten werden monatlich aktualisiert): 83618
Weiter Weiter| 12041 - 12050 | 12051 - 12060|12061 - 12070 |Weiter Weiter

GB/T 43438-2023

信息技术 学习、教育和培训 中小学教师信息素养评价指南

Information technology—Learning, education and training—Evaluation guide for information literacy of primary and secondary school teachers

GB/T 28415-2023

耐火结构用钢板和钢带

Fire-resistant structural steel plate,sheet and strip

GB/T 5224-2023

预应力混凝土用钢绞线

Steel strand for prestressed concrete

GB/T 2988-2023

高铝砖

High alumina bricks

GB/T 35306-2023

硅单晶中碳、氧含量的测定 低温傅立叶变换红外光谱法

Determination of carbon and oxygen content in single crystal silicon—Low temperature fourier transform infrared spectrometry method

GB/T 17899-2023

金属和合金的腐蚀 不锈钢在氯化钠溶液中点蚀电位的动电位测量方法

Corrosion of metals and alloys—Method of measuring the pitting potential for stainless steels by potentiodynamic control in sodium chloride solution

GB/T 21888-2023

C.I.酸性红131(酸性艳红P-9B 150%)

C.I. Acid red 131(Acid brilliant red P-9B 150%)

GB/T 42655-2023

连续纤维增强陶瓷基复合材料高温压缩性能试验方法

Test method for compression properties of continuous fiber reinforced ceramic matrix composites at high temperature

GB/T 42657-2023

红外光学玻璃红外折射率温度系数测试方法 垂直入射法

Test method of temperature coefficient of infrared refractive index for infrared optical glass —Normal incidence method

GB/T 25915.3-2024

洁净室及相关受控环境 第3部分:检测方法

Cleanrooms and associated controlled environments—Part 3: Test methods

Anzahl der Treffer (Daten werden monatlich aktualisiert): 83618
Weiter Weiter| 12041 - 12050 | 12051 - 12060|12061 - 12070 |Weiter Weiter