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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 軟釬料--化學(xué)成分和形狀 Soft solders -- Chemical compositions and forms2023-11-15
  • ISO 21874-2019 PVD多層硬質(zhì)涂料-組成、結(jié)構(gòu)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備規(guī)程 Standard Practice for Preparation of Biomass for Compositional An...2023-08-27
  • ASTM C1871-2018 通過使用熱電離質(zhì)譜計(jì)的雙同位素稀釋劑法測定鈾同位素組成的方法 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 加工銅及銅合金牌號和化學(xué)成分 Designation and chemical composition of wrought copper and coppe...2023-07-14
  • DY/T 2.4-2020 數(shù)字電影打包 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 墊圈材料 試驗(yàn)方法 Composition Cork. Gasket Material. Test Methods...2023-06-14
  • BS ISO 12963-2017 氣體分析 基于一次和兩點(diǎn)校準(zhǔn)的氣體混合物組成的比較方法 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 變形鋁及鋁合金化學(xué)成分 Chemical composition of wrought aluminium and aluminium alloys...2023-05-09
  • GB/T 5231-2022加工銅及銅合金牌號和化學(xué)成分Designation and chemical composition of wrought copper and copper ...2022-10-26
  • SH/T 0725-2002石油基絕緣油碳型組成計(jì)算法Standard test method for carbon-type composition of insulating oils ...2022-06-17
  • GB/T 27803-2011二氧化氯固體釋放劑分析方法Analysis method for solid composition releasing chorine dioxide...2022-06-10
  • GB/T 5235-2021加工鎳及鎳合金牌號和化學(xué)成分Designation and chemical composition of wrought nickel and nickel ...2022-03-22
  • GB/T 40870-2021氣體分析 混合氣體組成數(shù)據(jù)的換算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
  • 煤制乙二醇裝置羰化合成氣相組分優(yōu)化探討2020-10-02
  • 煤的化學(xué)族組成與煤的熱解初探2020-09-15
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