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China "YD" Standards List:

Standard Code	Standard English Title	Standard Class
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{译}	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{译}	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{译}	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{译}	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{译}	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{译}	China Metallurgy Industry - YD Standards

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