China National Standards
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  •  China "YD" Standards List:
    • Standard  Code Standard English Title Standard Class Order
    GH/T 1174-2021 Dehydrated horseradish

    China Supply and marketing cooperative industry - YD Standards
    DZ/T 0053-2021 Technical specification for hydraulic percussion rotary drilling

    China Geology & Mineralogy Industry - YD Standards
    DL/T 2447-2021 Technical regulations for safety inspection of flood-proof workshops of hydropower stations{咎}

    China Electricity Industry - YD Standards
    DL/T 1474！2021 Measurement and evaluation method of hydrophobicity of high voltage polymer insulators for AC and DC systems

    China Electricity Industry - YD Standards
    NB/T 10897！2021 Hydrocarbon-based biodiesel

    China Energy Industry - YD Standards
    NB/T 10868-2021 Specifications for hydraulic model test of flood discharge and atomization in hydropower projects

    China Energy Industry - YD Standards
    NB/T 10859-2021 Technical conditions of on-line monitoring system for metal structure equipment status in hydropower projects

    China Energy Industry - YD Standards
    NB/T 10875-2021 Watershed Hydropower Emergency Plan and Requirements

    China Energy Industry - YD Standards
    NB/T 10883.4！2021 Drawing Standards for Hydropower Engineering Part 4: Hydraulic Machinery

    China Energy Industry - YD Standards
    NB/T 10881！2021 Code for design of automatic fire alarm system for hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10880！2021 Specifications for centralized monitoring engineering design of cascade hydropower plants

    China Energy Industry - YD Standards
    NB/T 10879！2021 Specifications for design of computer monitoring system for hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10878！2021 Specifications for electromechanical design of hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10877！2021 Specifications for Compilation of Compensation Expenses for Land Expropriation and Resettlement of Hydropower Projects (Estimates)

    China Energy Industry - YD Standards
    NB/T 10876！2021 Specifications for Planning and Design of Land Acquisition and Resettlement for Hydropower Project Construction

    China Energy Industry - YD Standards
    NB/T 10874！2021 Regulations for the preparation of ecological dispatching schemes for hydropower projects

    China Energy Industry - YD Standards
    NB/T 10873-2021 Procedures for Compilation of Implementation Plan for Ecological Environment Monitoring in Hydropower Development Basin

    China Energy Industry - YD Standards
    NB/T 10869！2021 Technical specifications for domestic sewage treatment for resettlement of hydropower projects

    China Energy Industry - YD Standards
    NB/T 10864！2021 Specifications for urban relocation planning and design for resettlement of hydropower projects

    China Energy Industry - YD Standards
    NB/T 10863-2021 Code for design of fish lifting machine for hydropower projects

    China Energy Industry - YD Standards
    NB/T 10862-2021 Code for design of fish collection and transportation system in hydropower projects

    China Energy Industry - YD Standards
    NB/T 10861！2021 Specifications for the configuration and design of measuring devices in hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10860！2021 Specification for drainage system of hydropower station

    China Energy Industry - YD Standards
    NB/T 10857-2021 Design codes for reasonable service life and durability of hydropower projects

    China Energy Industry - YD Standards
    NB/T 10856！2021 Technical specification for ultra-high pressure hydraulic slitting operation in coal mines{咎}

    China Energy Industry - YD Standards
    NB/T 10851！2021 Seepage-increasing effect and effective range detection and evaluation method of hydraulic fracturing in coal mine{咎}

    China Energy Industry - YD Standards
    NB/T 10858！2021 Code for design of water intake of hydropower station

    China Energy Industry - YD Standards
    DL/T 1766.4！2021 Maintenance guide for water-hydrogen-hydrogen-cooled turbogenerators-Part 4: Hydrogen cooling system maintenance{咎}

    China Electricity Industry - YD Standards
    DL/T 1766.3-2021 Maintenance guide for water-hydrogen-hydrogen-cooled turbo-generators Part 5: Maintenance of internal chilled water system{咎}

    China Electricity Industry - YD Standards
    YB/T 4936-2021 Determination of content of ferromanganese, manganese silicon alloy, metal manganese and copper dicyclohexanone oxalyl dihydrazone spectrophotometry and flame atomic absorption spectrometry{咎}

    China Metallurgy Industry - YD Standards

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