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  •  China "YD" Standards List:
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    NB/T 10869¡ª2021 Technical specifications for domestic sewage treatment for resettlement of hydropower projects

    China Energy Industry - YD Standards
    NB/T 10864¡ª2021 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¡ª2021 Specifications for the configuration and design of measuring devices in hydroelectric power plants

    China Energy Industry - YD Standards
    NB/T 10860¡ª2021 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¡ª2021 Technical specification for ultra-high pressure hydraulic slitting operation in coal mines{Òë}

    China Energy Industry - YD Standards
    NB/T 10851¡ª2021 Seepage-increasing effect and effective range detection and evaluation method of hydraulic fracturing in coal mine{Òë}

    China Energy Industry - YD Standards
    NB/T 10858¡ª2021 Code for design of water intake of hydropower station

    China Energy Industry - YD Standards
    DL/T 1766.4¡ª2021 Maintenance guide for water-hydrogen-hydrogen-cooled turbogenerators-Part 4: Hydrogen cooling system maintenance{Òë}

    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{Òë}

    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{Òë}

    China Metallurgy Industry - YD Standards
    YB/T 4934-2021 Hot-rolled seamless steel pipe for hydraulic cylinder{Òë}

    China Metallurgy Industry - YD Standards
    QB/T 5642-2021 Formaldehyde removal liquid for interior decoration{Òë}

    China Light Industry Industry - YD Standards
    QB/T 5637-2021 Oral cleaning and care products Hydroxyapatite for toothpaste{Òë}

    China Light Industry Industry - YD Standards
    YS/T 1503-2021 Hexahydroxyplatinic acid bis(ethanolammonium) solution{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1481-2021 Nickel manganese two element hydroxide{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1467.9-2021 Methods for chemical analysis of hafnium - Part 9: Determination of hydrogen content{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1460-2021 Crude nickel cobalt hydroxide{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1449-2021 Nickel cobalt manganese zirconium composite hydroxide{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1445.5-2021 Methods for chemical analysis of nickel-cobalt-aluminum three-element composite hydroxides-Part 5: Determination of sulfate ion content-Barium sulfate turbidimetric method{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1445.4-2021 Methods for chemical analysis of nickel-cobalt-aluminum tri-element composite hydroxides-Part 4: Determination of chloride ion content-Silver chloride turbidimetric method{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1445.3-2021 Methods for chemical analysis of nickel-cobalt-aluminum three-element composite hydroxides-Part 3: Determination of aluminum, copper, iron, zinc, calcium, magnesium, sodium and manganese content-Inductively coupled plasma atomic emission spectrometry{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1445.2-2021 Methods for chemical analysis of nickel-cobalt-aluminum tri-element composite hydroxides-Part 2: Determination of cobalt content Potentiometric titration method{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1445.1-2021 Methods for chemical analysis of nickel-cobalt-aluminum tri-element composite hydroxides-Part 1: Determination of nickel content-Diacetyl oxime gravimetric method{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1444-2021 Nickel-cobalt-titanium three-element composite hydroxide{Òë}

    China Non-ferrous Metal Industry - YD Standards
    YS/T 1443-2021 Nickel-cobalt two-element composite hydroxide{Òë}

    China Non-ferrous Metal Industry - YD Standards
    HG/T 5930-2021 Chemical reagents Sodium octane sulfonate monohydrate for chromatography{Òë}

    China Chemistry Industry - YD Standards
    HG/T 5929-2021 Chemical reagents Sodium heptanesulfonate monohydrate for chromatography{Òë}

    China Chemistry Industry - YD Standards

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