NB/T Standards
Found: 3846 — page 15 of 81
Valid
NB/T 11387-2023 — Measurement and evaluation of screw expander vibration
National·Recommended
Instant delivery (0–9 sec)
$165.001 pages
Valid
NB/T 11388-2023 — DC support capacitor for flexible DC transmission converter valve
National·Recommended
Instant delivery (0–9 sec)
$390.0017 pages
Valid
NB/T 11389-2023 — Frequency domain dielectric spectrum test method for dielectric properties of insulating materials used in power transformers
National·Recommended
Instant delivery (0–9 sec)
$180.008 pages
Valid
NB/T 11390-2023 — Quantitative detection method of phthalates in power transformer oil Gas chromatography mass spectrometry
National·Recommended
Instant delivery (0–9 sec)
$120.007 pages
Valid
NB/T 11391-2023 — Electrical equipment - Tropical island - Combined environmental test methods
Industry·Recommended
Instant delivery (0–9 sec)
$300.0017 pages
Valid
NB/T 11392-2023 — Technical Specifications for Highly Accelerated Life Test of Photovoltaic Inverters
National·Recommended
Instant delivery (0–9 sec)
$255.009 pages
Valid
NB/T 11393-2023 — Technical Guidelines for Laser Charged Rust Removal of High Altitude Power Equipment
National·Recommended
Instant delivery (0–9 sec)
$180.007 pages
Valid
NB/T 11394-2023 — Plateau environment 27.5kV system air gap altitude correction
National·Recommended
Instant delivery (0–9 sec)
$165.008 pages
Valid
NB/T 11395-2023 — Biomass gasification polygeneration fixed bed gasifier technical conditions
National·Recommended
Instant delivery (0–9 sec)
$255.0011 pages
Valid
NB/T 11396-2023 — Biomass gasification polygeneration fluidized bed gasifier technical conditions
National·Recommended
Instant delivery (0–9 sec)
$295.0011 pages
Valid
NB/T 11397-2023 — Combined grate biomass boiler technical conditions
National·Recommended
Instant delivery (0–9 sec)
$195.009 pages
Valid
NB/T 11398-2023 — Common DC bus type unified power quality controller for low-voltage distribution network
National·Recommended
Instant delivery (0–9 sec)
$480.0019 pages
Valid
NB/T 11428-2023 — Assessment criteria of green mine construction in coal industry
National·Recommended
Instant delivery (0–9 sec)
$545.0023 pages
Valid
NB/T 11429-2023 — Technical specifications for coal mine TBM installation
National·Recommended
Instant delivery (0–9 sec)
$330.0013 pages
Valid
NB/T 11430-2023 — Technical requirements for TBM excavation in coal mine
National·Recommended
Instant delivery (0–9 sec)
$175.007 pages
Valid
NB/T 11431-2023 — Technical specifications for backfilling of coal gangue in land remediation
National·Recommended
Instant delivery (0–9 sec)
$240.009 pages
Valid
NB/T 11432-2023 — Technical specification for coal mine gangue-based solid waste filling
National·Recommended
Instant delivery (0–9 sec)
$240.009 pages
Valid
NB/T 11433-2023 — Technical specification for short wall interval filling mining in coal mine
National·Recommended
Instant delivery (0–9 sec)
$275.009 pages
Valid
NB/T 11434.1-2023 — Paste filling in coal mine - Part 1: Technical requirements of goaf isolation in fully mechanized mining face
National·Recommended
Instant delivery (0–9 sec)
$240.008 pages
Valid
NB/T 11434.2-2023 — Paste filling in coal mine - Part 2: General technical conditions of pipe valves
National·Recommended
Instant delivery (0–9 sec)
$330.0011 pages
Valid
NB/T 11434.3-2023 — Paste filling in coal mine - Part 3: Effect evaluation method
National·Recommended
Instant delivery (0–9 sec)
$175.007 pages
Valid
NB/T 11434.5-2023 — Paste filling in coal mine - Part 5: Technical requirements for cementitious materials
National·Recommended
Instant delivery (0–9 sec)
$330.0013 pages
Valid
NB/T 11435-2023 — Technical guidelines for assessment of eco-environment damage and compensation in coal mining area - General principles
National·Recommended
Instant delivery (0–9 sec)
$330.0013 pages
Valid
NB/T 11436-2023 — Flame-proof and safety-increasing resistance electric heater for mine
National·Recommended
Instant delivery (0–9 sec)
$330.0012 pages
Valid
NB/T 11437-2023 — Voltage conversion and protection devices of explosion-proof iron removers used in mines
National·Recommended
Instant delivery (0–9 sec)
$405.0015 pages
Valid
NB/T 11438-2023 — Operation guideline of circulating fluidized bed gasifiers
Industry·Recommended
Instant delivery (0–9 sec)
$240.0015 pages
Valid
NB/T 11439-2023 — Energy efficiency evaluation method for fluidized bed gasification
Industry·Recommended
Instant delivery (0–9 sec)
$240.0015 pages
Valid
NB/T 11440-2023 — Estimation specifications of coal reserves in production mine
Industry·Recommended
Instant delivery (0–9 sec)
$240.0015 pages
Valid
NB/T 11441-2023 — Guidelines for identification and quality evaluation of coal-measures graphite
Industry·Recommended
Instant delivery (0–9 sec)
$240.0015 pages
Valid
NB/T 11442-2023 — Specification for preparation of feasibility study report of coalbed methane gas field development
Industry·Recommended
Instant delivery (0–9 sec)
$405.0023 pages
Valid
NB/T 11443-2023 — General technical specification of controlled start transmission
Industry·Recommended
Instant delivery (0–9 sec)
$405.0023 pages
Valid
NB/T 11444-2023 — Mobile full-hydraulic drilling rig
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages
Valid
NB/T 11445-2023 — Technical specification for full-length anchored prestressed cable support of mine roadway
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages
Valid
NB/T 11446-2023 — Technical requirements of mining roadway by roadway with continuous backfilling in coal mine
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages
Valid
NB/T 11447-2023 — Life detector for mine
Industry·Recommended
Instant delivery (0–9 sec)
$275.0019 pages
Valid
NB/T 11448-2023 — Emulsion proportioning device for mine
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages
Valid
NB/T 11449-2023 — Test method of pipeline gas sensor for mine
Industry·Recommended
Instant delivery (0–9 sec)
$240.0015 pages
Valid
NB/T 11450-2023 — Mining flameproof three-phase permanent magnet synchronous motorized pulley
Industry·Recommended
Instant delivery (0–9 sec)
$405.0023 pages
Valid
NB/T 11451-2023 — Transfer, crushing and screening device for gate roads in coal mines
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages
Valid
NB/T 11452-2023 — Monitoring device for armored face conveyor
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages
Valid
NB/T 11453-2023 — General technical requirements of video/audio recording systems for mine law enforcement
Industry·Recommended
Instant delivery (0–9 sec)
$405.0023 pages
Valid
NB/T 11454-2023 — Specification for risk management of freezing sinking method
Industry·Recommended
Instant delivery (0–9 sec)
$920.0056 pages
Valid
NB/T 11455-2023 — General specification of continuous miner
Industry·Recommended
Instant delivery (0–9 sec)
$405.0023 pages
Valid
NB/T 11456-2023 — Technical specification for cleaner production of coal preparation plant
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages
Valid
NB/T 11457-2023 — Technical guidelines for coal blending in coking
Industry·Recommended
Instant delivery (0–9 sec)
$155.0015 pages
Valid
NB/T 11458-2023 — Geophone for seismic exploration for coal mine
Industry·Recommended
Instant delivery (0–9 sec)
$405.0023 pages
Valid
NB/T 11459-2023 — Specification for DC electrical exploration in underground coal mine
National·Recommended
Instant delivery (0–9 sec)
$405.0016 pages
Valid
NB/T 11460-2023 — Technical conditions of transient electromagnetic detecting instrument for coal-mine
Industry·Recommended
Instant delivery (0–9 sec)
$330.0019 pages