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SAE AS81969/21A-2020 Installing And Removal Tools, Connector, Electrical Contacts, Interfacial Seal, Type I...2024-02-23

JIS Z3282-2017 软钎料--化学成分和形状 Soft solders -- Chemical compositions and forms2023-11-15

ISO 21874-2019 PVD多层硬质涂料-组成、结构和性能 PVD multi-layer hard coatings — Composition, structure...2023-09-26

ASTM E1757-2019 成份分析用生物量的制备规程 Standard Practice for Preparation of Biomass for Compositional An...2023-08-27

ASTM C1871-2018 通过使用热电离质谱计的双同位素稀释剂法测定铀同位素组成的方法 Standard Test Method for Determ...2023-08-18

BS ISO 21479-2019 Soil quality. Determination of the effects of pollutants on soil flora. Leaf fatty acid ...2023-08-12

GB/T 5231-2022 加工铜及铜合金牌号和化学成分 Designation and chemical composition of wrought copper and coppe...2023-07-14

DY/T 2.4-2020 数字电影打包第4部分：合成播放列表 Digital cinema (D-cinema) packaging - Part 4: Composition pla...2023-07-08

DIN CEN ISO/TR 11827-2019 Textiles - Composition testing - Identification of fibres (ISO/TR 11827:2012); Ge...2023-06-27

ASTM E1641-2018 Standard Test Method for Decomposition Kinetics by Thermogravimetry Using the Ozawa/Flynn/W...2023-06-17

BS ISO 4708-2017 合成材料的瓶塞垫圈材料试验方法 Composition Cork. Gasket Material. Test Methods...2023-06-14

BS ISO 12963-2017 气体分析基于一次和两点校准的气体混合物组成的比较方法 Gas analysis. Comparison methods for...2023-06-12

DIN EN 573-3-2019 Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part...2023-05-26

GB/T 3190-2020 变形铝及铝合金化学成分 Chemical composition of wrought aluminium and aluminium alloys...2023-05-09

GB/T 5231-2022加工铜及铜合金牌号和化学成分Designation and chemical composition of wrought copper and copper ...2022-10-26

SH/T 0725-2002石油基绝缘油碳型组成计算法Standard test method for carbon-type composition of insulating oils ...2022-06-17

GB/T 27803-2011二氧化氯固体释放剂分析方法Analysis method for solid composition releasing chorine dioxide...2022-06-10

GB/T 5235-2021加工镍及镍合金牌号和化学成分Designation and chemical composition of wrought nickel and nickel ...2022-03-22

GB/T 40870-2021气体分析混合气体组成数据的换算Gas analysis. Conversion of gas mixture composition data...2022-03-14

ASTM E1833-2007a(2013)e1Standard Practice for Sampling of Blister Copper in Cast Form for Determination of C...2022-03-14

Analysis of bell materials: Tin bronzes2020-11-22

Coordination-theoretic approach to modelling grid service composition process2020-11-22

Preparing Process of Cerium Acetate and Rare Earth Acetate2020-11-10

煤制乙二醇装置羰化合成气相组分优化探讨2020-10-02

煤的化学族组成与煤的热解初探2020-09-15