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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    DL/T 2565！2022 Expanded Guidelines for Hydropower Network Communication Protocol Based on IEC 60870-5-104

    China Electricity Industry - YD Standards
    DL/T 2570！2022 Guidelines for technical supervision of turbines in hydroelectric power plants

    China Electricity Industry - YD Standards
    DL/T 2569！2022 Technical Supervision Regulations for Excitation Systems of Hydropower Plants

    China Electricity Industry - YD Standards
    DL/T 2566！2022 Technical Supervision Regulations for DC Systems of Hydropower Plants

    China Electricity Industry - YD Standards
    HG/T 3585-2023 Industrial sodium borohydride

    China Chemistry Industry - YD Standards
    HG/T 3584-2023 Industrial potassium borohydride

    China Chemistry Industry - YD Standards
    HG/T 4506！2023 Industrial cobalt hydroxide

    China Chemistry Industry - YD Standards
    HG/T 3062-2023 Rubber compounding agent Precipitated hydrated silica Determination of silica content

    China Chemistry Industry - YD Standards
    DL/T 2582.3！2022 Operating procedures for public auxiliary equipment of hydropower stations Part 3: Water system

    China Electricity Industry - YD Standards
    SY/T 7682-2023 Technical specifications for dehydration, drying and pollution control of high water content oil sludge

    China Oil & Gas Industry - YD Standards
    SY/T 0081-2023 Specifications for design of thermochemical sedimentation dehydration of crude oil

    China Oil & Gas Industry - YD Standards
    SY/T 0076-2023 Design code for natural gas dehydration

    China Oil & Gas Industry - YD Standards
    YY 0304-2009 Plasma-sprayed hydroxyapatite-coated titanium-based dental implants

    China Pharmaceutics Industry - YD Standards
    YY/T 0865.1-2011 Ultrasound - Hydrophones - Part 1: Measurement and characterization of medical ultrasonic fields up to 40 MHz

    China Pharmaceutics Industry - YD Standards
    YY/T 1152-2009 Aldehyde substrates for biochips

    China Pharmaceutics Industry - YD Standards
    HG/T 2745-2023 2-Hydroxy-3-naphthoic acid

    China Chemistry Industry - YD Standards
    HG/T 6152-2023 Analytical method for chemical composition of catalyst for dehydrogenation of methyl isobutyl methanol to methyl isobutyl ketone

    China Chemistry Industry - YD Standards
    HG/T 6150-2023 X-ray fluorescence spectrometry method for chemical composition analysis of lubricating oil hydroisomerization catalyst

    China Chemistry Industry - YD Standards
    HG/T 6149-2023 Determination of Silica Crystal Phase Content in Hydrogenation Catalyst and Its Support X-ray Diffraction Method

    China Chemistry Industry - YD Standards
    HG/T 6157-2023 α,ω-Dihydroxypolydimethylsiloxane linear body

    China Chemistry Industry - YD Standards
    SN/T 5565-2023 Manual sampling procedure for shipping crude oil containing hydrogen sulfide

    China Import&Export Inspection Industry - YD Standards
    SN/T 5500.2-2023 Technical requirements for inspection of imported construction machinery Part 2: Emissions from hydraulic excavators

    China Import&Export Inspection Industry - YD Standards
    DL/T 2582.2！2022 Operating procedures for public auxiliary equipment of hydropower stations Part 2: gas system

    China Electricity Industry - YD Standards
    DL/T 2582.1！2022 Operating procedures for public auxiliary equipment of hydropower stations Part 1: Oil system

    China Electricity Industry - YD Standards
    NY/T 4360-2023 Determination of streptomycin, dihydrostreptomycin and kanamycin in feed by liquid chromatography-tandem mass spectrometry

    China Agriculture Industry - YD Standards
    NY/T 4359-2023 Determination of 16 polycyclic aromatic hydrocarbons in feed by gas chromatography-mass spectrometry

    China Agriculture Industry - YD Standards
    NY/T 4336-2023 Dehydrated Agaricus bisporus product classification and inspection rules

    China Agriculture Industry - YD Standards
    NY/T 4333-2023 Technical specification for processing dehydrated day lily

    China Agriculture Industry - YD Standards
    YD/T 5265-2023 Specifications for engineering design of intelligent optical distribution network system

    China Telecommunication Industry - YD Standards
    YD/T 5262-2023 Signaling Monitoring System Engineering Technical Specifications

    China Telecommunication Industry - YD Standards

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