NB/T Standards
Found: 3374 — page 1 of 71
Valid
NB/T 11820-2025 — Drilling geological design specification for coalbed methane
Industry·Recommended
Instant delivery (0–9 sec)
$170.0015 pages
Valid
NB/T 11821-2025 — Design specification of coalbed methane resource exploration
Industry·Recommended
Instant delivery (0–9 sec)
$170.0015 pages
Valid
NB/T 11822-2025 — Evaluation methods coalbed methane volume - Bottomhole fluid pressure method
Industry·Recommended
Instant delivery (0–9 sec)
$50.0015 pages
Valid
NB/T 11823-2025 — Technical specifications for the post-assessment of coalbed methane development project
Industry·Recommended
Instant delivery (0–9 sec)
$485.0027 pages
Valid
NB/T 11824-2025 — Specification of report of drilling engineering of coalbed methane
Industry·Recommended
Instant delivery (0–9 sec)
$170.0015 pages
Valid
NB/T 20733-2025 — Dynamic rod worth measurement test method of pressurized water reactor nuclear power plants
Industry·Recommended
Instant delivery (0–9 sec)
$110.0015 pages
Valid
NB/T 10077-2024 — Code for design of rock-filled concrete dams
Industry·Recommended
Instant delivery (0–9 sec)
$1,265.0070 pages
Valid
NB/T 11307.2-2024 — Guide for assessing the fire hazard of electric equipment and materials - Part 2: Oil-immersed transformers
Industry·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
NB/T 11307.3-2024 — Guide for assessing the fire hazard of materials for electric equipment - Part 3: Dry-type reactors
Industry·Recommended
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$260.0015 pages
Valid
NB/T 11307.4-2024 — Guide for assessing the fire hazard of materials for electric equipment - Part 4: Converter valve parallel reactors
Industry·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
NB/T 11478-2024 — Direct-connected series static synchronous compensator
Industry·Recommended
Instant delivery (0–9 sec)
$410.0023 pages
Valid
NB/T 11479-2024 — Specification for power plant DC emergency oil pump control and protection
Industry·Recommended
Instant delivery (0–9 sec)
$410.0023 pages
Valid
NB/T 11480-2024 — The technical specification for environmental control system of outdoor control cabinet in Smart Substation
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$425.0024 pages
Valid
NB/T 11481-2024 — Specification for control and protection systems for HVDC converter valve cooling equipment
Industry·Recommended
Instant delivery (0–9 sec)
$425.0024 pages
Valid
NB/T 11482-2024 — Test specification for network dynamic performance of protective relay in smart substation
Industry·Recommended
Instant delivery (0–9 sec)
$395.0022 pages
Valid
NB/T 11483-2024 — Technical specification of relay protection for AC power system in urban rail transit
Industry·Recommended
Instant delivery (0–9 sec)
$335.0019 pages
Valid
NB/T 11484-2024 — Technical specifications for oil-air-water system design of small hydropower units
Industry·Recommended
Instant delivery (0–9 sec)
$320.0018 pages
Valid
NB/T 11485-2024 — Technical specifications for integral hydrogenerator unit for conveyer pipeline
Industry·Recommended
Instant delivery (0–9 sec)
$200.0015 pages
Valid
NB/T 11486-2024 — Technical specification for flue gas denitration ammonia injection intelligent control system
Industry·Recommended
Instant delivery (0–9 sec)
$155.0015 pages
Valid
NB/T 11487-2024 — General Technical Requirements for Containerized Flow Battery Energy Storage System
Industry·Recommended
Instant delivery (0–9 sec)
$245.0015 pages
Valid
NB/T 11488-2024 — General specification for power conversion system of flow battery energy storage system
Industry·Recommended
Instant delivery (0–9 sec)
$1,190.0081 pages
Valid
NB/T 11489-2024 — General specification for Iron-Chromium flow battery
Industry·Recommended
Instant delivery (0–9 sec)
$245.0015 pages
Valid
NB/T 11490-2024 — Metal bellows for transformer oil conservators
Industry·Recommended
Instant delivery (0–9 sec)
$245.0015 pages
Valid
NB/T 11491-2024 — Technical specifications of quick oil drain devices for converter transformers
Industry·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
NB/T 11492-2024 — Technical specifications of seal devices of valve-side bushing hole for converter transformers
Industry·Recommended
Instant delivery (0–9 sec)
$335.0019 pages
Valid
NB/T 11493-2024 — Specific environmental conditions - Electrical equipment manufacturing safety assessment - Guidelines for environmental conditions classification and severity levels
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$155.0015 pages
Valid
NB/T 11494-2024 — Specific environmental conditions - Electrical equipment manufacturing safety assessment - Terminology
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$575.0032 pages
Valid
NB/T 11495-2024 — Technical specification for resistive type energy absorption device used in converter stations
Industry·Recommended
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$590.0033 pages
Valid
NB/T 11496-2024 — Test methods for power losses of sub-module in voltage sourced converter (VSC) valves
Industry·Recommended
Instant delivery (0–9 sec)
$395.0022 pages
Valid
NB/T 11497-2024 — Risk assessment and inspection of pressure equipment in hydrogen fuelling station
Industry·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
NB/T 11498-2024 — Technical requirements for monitoring of pressure equipment in hydrogen fuelling station
Industry·Recommended
Instant delivery (0–9 sec)
$320.0018 pages
Valid
NB/T 11499-2024 — Inorganic flame synthesizer made of graphite
Industry·Recommended
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$215.0015 pages
Valid
NB/T 11508-2024 — Regulation for content and depth of feasibility study report of distribution automation system engineering
Industry·Recommended
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$350.0020 pages
Valid
NB/T 11509-2024 — Regulation for content and depth of preliminary design for distribution automation engineering
Industry·Recommended
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$455.0025 pages
Valid
NB/T 11510-2024 — Regulation for content depth of preliminary design of electric power management information system
Industry·Recommended
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$350.0020 pages
Valid
NB/T 11511-2024 — Code for design of flue gas heat recovery system of fossil fired power plant
Industry·Recommended
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$1,115.0062 pages
Valid
NB/T 11512-2024 — Code for chimney design of fossil-fired power plant
Industry·Recommended
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$2,690.00193 pages
Valid
NB/T 11513-2024 — Technical code for design of high altitude substation
Industry·Recommended
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$935.0075 pages
Valid
NB/T 11514-2024 — Code for design of 35kV and under alternative superconductor cable transmission line
Industry·Recommended
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$860.0065 pages
Valid
NB/T 11515-2024 — Technical code of practice for surface-borehole magnetic source transient electromagnetic method
Industry·Recommended
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$485.0027 pages
Valid
NB/T 11516-2024 — Horizontal vibrating centrifuge
Industry·Recommended
Instant delivery (0–9 sec)
$125.0015 pages
Valid
NB/T 11517-2024 — Nondestructive inspection methods and criterions for important load-bearing components of mining hoisting conveyance
Industry·Recommended
Instant delivery (0–9 sec)
$395.0023 pages
Valid
NB/T 11518-2024 — Technical specification of integrated liquid supply system for the fully-mechanized coal mining face
Industry·Recommended
Instant delivery (0–9 sec)
$230.0015 pages
Valid
NB/T 11519-2024 — General technical conditions for mining stress sensors
Industry·Recommended
Instant delivery (0–9 sec)
$215.0015 pages
Valid
NB/T 11520-2024 — Stepping self moving device for scraper transfer machine in underground coal mines
Industry·Recommended
Instant delivery (0–9 sec)
$200.0015 pages
Valid
NB/T 11521-2024 — General technical conditions of monitoring system for mine patrol inspection instrument
Industry·Recommended
Instant delivery (0–9 sec)
$215.0015 pages
Valid
NB/T 11522-2024 — Tooling device for shearer and roadheader
Industry·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
NB/T 11523-2024 — 5G communication base station for coal mines
Industry·Recommended
Instant delivery (0–9 sec)
$410.0023 pages