China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    QX/T 644¡ª2022 Construction requirements for meteorological hydrogen-related business facilities{Òë}

    China Meteorology Industry - YD Standards
    QX/T 643¡ª2022 Operation specification for electrolysis hydrogen production equipment for meteorological water{Òë}

    China Meteorology Industry - YD Standards
    SL/T 619¡ª2021 Rules for the preparation of preliminary design reports for water conservancy and hydropower projects{Òë}

    China Water Resources Industry - YD Standards
    SL/T 618¡ª2021 Rules for the preparation of feasibility study reports for water conservancy and hydropower projects{Òë}

    China Water Resources Industry - YD Standards
    SL/T 617¡ª2021 Rules for the preparation of proposals for water conservancy and hydropower projects{Òë}

    China Water Resources Industry - YD Standards
    GA/T 1789-2021 Forensic science Hydroxyimine detection in suspected precursor chemicals Liquid chromatography-mass spectrometry, gas chromatography-mass spectrometry and liquid chromatography

    China Security Industry - YD Standards
    JB/T 20201-2021 Vaporized hydrogen peroxide concentration detector

    China Machinery Industry - YD Standards
    HG/T 5982-2021 Green Design Product Evaluation Technical Specification Potassium Hydroxide

    China Chemistry Industry - YD Standards
    HG/T 5977-2021 Technical Specifications for Evaluation of Green Design Products Hydrogen Peroxide

    China Chemistry Industry - YD Standards
    HG/T 5967-2021 Treatment and disposal method of hot dip galvanizing waste hydrochloric acid

    China Chemistry Industry - YD Standards
    HG/T 5957-2021 Recycling waste phosphoric acid to produce ammonium dihydrogen phosphate

    China Chemistry Industry - YD Standards
    HG/T 3783-2021 By-product hydrochloric acid

    China Chemistry Industry - YD Standards
    YS/T 1514-2021 Specification for steam purification and reuse of zinc hydrometallurgy{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YD/T 3946-2021 Technical requirements and test methods for shared management equipment of battery packs for communication base stations

    China Telecommunication Industry - YD Standards
    YD/T 2759.3-2021 Single Fiber Bidirectional Optical Transceiver Module Part 3: 50Gb/s

    China Telecommunication Industry - YD Standards
    YD/T 3945.1-2021 Onboard Optical Transceiver Module Part 1: N¡Á50Gb/s

    China Telecommunication Industry - YD Standards
    YD/T 3539.2-2021 400Gbit/s Phase Modulation Optical Transceiver Module Part 2: 1¡Á400Gbit/s

    China Telecommunication Industry - YD Standards
    YD/T 3692.3-2021 Intelligent Optical Distribution Network Technical Requirements for Intelligent Access Control Part 3: Intelligent Access Control Management Terminals and Applications

    China Telecommunication Industry - YD Standards
    YD/T 3944-2021 AI Chip Benchmark Evaluation Method

    China Telecommunication Industry - YD Standards
    YD/T 3943.1-2021 Cloud Computing Compatibility Test Methods Part 1: Chips and Operating Systems

    China Telecommunication Industry - YD Standards
    YD/T 3942-2021 Technical requirements for government cloud infrastructure service platform

    China Telecommunication Industry - YD Standards
    YD/T 3941-2021 Content Delivery Network Technical Requirements VR Audio and Video Services

    China Telecommunication Industry - YD Standards
    YD/T 3940-2021 Network Function Virtualization Orchestrator (NFVO) Technical Requirements Business Template

    China Telecommunication Industry - YD Standards
    YD/T 3939-2021 Network Function Virtualization Orchestrator (NFVO) Technical Requirements Business Process

    China Telecommunication Industry - YD Standards
    YD/T 3938-2021 Network Function Virtualization Orchestrator (NFVO) Technical Requirements General Requirements

    China Telecommunication Industry - YD Standards
    YD/T 3937-2021 Technical requirements and test methods of user plane-based A-GNSS positioning for the Internet of Things

    China Telecommunication Industry - YD Standards
    YD/T 3936-2021 General technical requirements for high-precision positioning based on mobile communication network

    China Telecommunication Industry - YD Standards
    YD/T 3935.3-2021 Electromagnetic Radiation Compliance Requirements for Mobile Communication Terminal Equipment Part 3: Wearable Devices

    China Telecommunication Industry - YD Standards
    YD/T 3934-2021 General technical requirements for vehicular satellite communication earth stations used in Ka-band mobile

    China Telecommunication Industry - YD Standards
    YD/T 3933-2021 General technical requirements for vehicular satellite communication earth stations used in Ka-band stationary

    China Telecommunication Industry - YD Standards

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