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change to high magnification, Total:201 items.

In the international standard classification, change to high magnification involves: Iron and steel products, Protection against fire, Galvanic cells and batteries, Farming and forestry, Non-ferrous metals, Rectifiers. Convertors. Stabilized power supply, Edible oils and fats. Oilseeds, Environmental protection, Telecommunication systems, Valves, Resistors, Construction materials, Data storage devices, Aerospace electric equipment and systems, Aircraft and space vehicles in general, Switchgear and controlgear, Materials for aerospace construction, Power transmission and distribution networks, Power stations in general, Testing of metals, Equipment for the chemical industry, Pipeline components and pipelines, Fruits. Vegetables, Information sciences. Publishing, Semiconductor devices, Integrated circuits. Microelectronics, Vocabularies, Burners. Boilers, Equipment for the metallurgical industry, Animal feeding stuffs, Refrigerating technology, Products of the chemical industry, Audio, video and audiovisual engineering.


Institute of Electrical and Electronics Engineers (IEEE), change to high magnification

  • NFPA (Fire) 11 Standard for Low-, Medium-, and High-Expansion Foam, 2021 Edition

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, change to high magnification

  • GB/T 14999.5-1994 Photomicrographs and photomacrographs for evaluating of heat-resisting superalloys
  • GB 50196-1993(2002) Code for design of high & medium expansion foam systems
  • GB 50196-1993 Code for design of high & medium expansion foam systems
  • GB/T 5168-2008 Microstructure and macrostructure examination for α-β titanium alloys
  • GB/T 5168-2020 Microstructure and macrostructure examination for titanium and titanium alloys
  • GB/T 14999.2-1994 Methods of acid etch test for transvese macro-structures of heat-resisting superalloys
  • GB/T 14999.1-1994 Methods of acid etch test for longitudinal macro-structures of heat-resisting superalloy bars
  • GB/T 25309-2010 High-voltage direct current transfer switches
  • GB/T 14999.2-2012 Test methods for superalloys.Part 2:Verification of transverse macro-structures and defect by etch
  • GB/T 14999.1-2012 Test method for superal loys.Part 1:Verification of longitudinal macro-structures and defect by etch
  • GB/T 24590-2009 Enhanced tubes for efficient heat exchanger
  • GB/T 51200-2016 HVDC Design Specifications

National Fire Protection Association (NFPA), change to high magnification

  • NFPA 11-2021 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 11/22/2020)
  • NFPA 11 AMD 1-2020 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
  • NFPA 1-2021 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
  • NFPA 1-2021 AMD 4 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
  • NFPA 11-2016 CORR Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
  • NFPA 1-2021 AMD 3 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
  • NFPA 1-2021 AMD 1 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
  • NFPA 1-2021 AMD 2 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 12/23/2020)
  • NFPA 11-2016 Standard for Low-, Medium-, and High-Expansion Foam (Effective Date: 09/07/2015; ALERT: THIS STANDARD HAS BEEN MODIFIED BY A TIA OR ERRATA)

Professional Standard - Public Safety Standards, change to high magnification

  • GA 31-1992 High expansion foam fire extinguishing agent

Professional Standard - Agriculture, change to high magnification

Professional Standard - Electron, change to high magnification

  • SJ/T 10287-1991 High rate vented nickel-cadmium prismatic rechargeable single cells

Hubei Provincial Standard of the People's Republic of China, change to high magnification

Professional Standard - Aerospace, change to high magnification

Defense Logistics Agency, change to high magnification

工业和信息化部, change to high magnification

  • YS/T 1475-2021 High and low magnification structure inspection methods for zirconium and zirconium alloys
  • YD/T 3427-2018 High-rate valve-regulated sealed lead-acid battery for communication

IX-ECMA, change to high magnification

Professional Standard - Coal, change to high magnification

  • MT/T 695-1997 General technical condition of high-ratio-foam fire extinguish agent for coal mine
  • MT/T 696-1997 General technical condition of high-ratio foam fire extinguisher equipment for coal mine

Association Francaise de Normalisation, change to high magnification

  • NF L58-342:1975 Sealed triple pole relays, 10 amperes, high strength (10 times rated current).
  • NF L58-145:1967 PRESSURE SENSITIVE INVERTER SWITCH.
  • NF A04-114:1984 Iron and steel. High carbon continuous cast steel wire rod. Macrographic method of showing and describing the chemical heterogeneity.
  • NF EN IEC 61803:2020 Determination of power losses in high-voltage direct current (HVDC) converter stations equipped with line-commutated converters

National Aeronautics and Space Administration (NASA), change to high magnification

  • NASA-CR-2760-1977 Atmospheric absorption of high frequency noise and application to fractional-octave bands

International Telecommunication Union (ITU), change to high magnification

  • ITU-T Q.50 NOTE SPANISH-2006 Signalling between Circuit Multiplication Equipment (CME) and International Switching Centres (ISC)
  • ITU-T Q.50 SPANISH-2001 Signalling between Circuit Multiplication Equipment (CME) and International Switching Centres (ISC)
  • ITU-T Q.50 ERRATUM 1-2006 Signalling between Circuit Multiplication Equipment (CME) and International Switching Centres (ISC); Erratum 1
  • ITU-T Q.50 NOTE FRENCH-2006 Signalling between Circuit Multiplication Equipment (CME) and International Switching Centres (ISC)
  • ITU-T Q.50 FRENCH-2001 Signalling between Circuit Multiplication Equipment (CME) and International Switching Centres (ISC)

Group Standards of the People's Republic of China, change to high magnification

  • T/SDAS 754-2023 Technical regulations for high-yielding and high-power breeding of Shandong's traditional export high-oleic large peanut variety Huayu 9518
  • T/DZJN 219-2023 Ultra-high rate polymer lithium-ion battery for car emergency starting
  • T/WZBF 008-2022 Ultra-high temperature and high pressure three-way reversing valve
  • T/CBMMA 3-2021 High temperature gas heat exchanger
  • T/UWA 008-2022 4K UHD Content Exchange Parameter Values

GSO, change to high magnification

  • GSO ISO 7076-4:2021 Fire protection — Foam fire extinguishing systems — Part 4: High expansion foam equipment
  • BH GSO ISO 7076-4:2022 Fire protection — Foam fire extinguishing systems — Part 4: High expansion foam equipment
  • GSO ISO 7203-2:2022 Fire extinguishing media — Foam concentrates — Part 2: Specification for medium- and high-expansion foam concentrates for top application to water-immiscible liquids
  • BH GSO ISO 7203-2:2023 Fire extinguishing media — Foam concentrates — Part 2: Specification for medium- and high-expansion foam concentrates for top application to water-immiscible liquids
  • GSO ISO/IEC 17344:2017 Information technology -- Data interchange on 120 mm and 80 mm optical disk using +R format -- Capacity: 4,7 Gbytes and 1,46 Gbytes per side (recording speed up to 16X)
  • GSO ISO/IEC 17341:2017 Information technology -- Data interchange on 120 mm and 80 mm optical disk using +RW format -- Capacity: 4,7 Gbytes and 1,46 Gbytes per side (recording speed up to 4X)
  • OS GSO ISO/IEC 17341:2017 Information technology -- Data interchange on 120 mm and 80 mm optical disk using +RW format -- Capacity: 4,7 Gbytes and 1,46 Gbytes per side (recording speed up to 4X)
  • GSO IEC TR 63127:2023 Guideline for the system design of HVDC converter stations with line-commutated converters
  • GSO IEC TR 63065:2021 Guidelines for operation and maintenance of line commutated converter (LCC) HVDC converter station
  • BH GSO IEC TR 63065:2022 Guidelines for operation and maintenance of line commutated converter (LCC) HVDC converter station
  • GSO IEC 61803:2014 Determination of power losses in high-voltage direct current (HVDC) converter stations with line-commutated converters
  • BH GSO IEC 61803:2016 Determination of power losses in high-voltage direct current (HVDC) converter stations with line-commutated converters

British Standards Institution (BSI), change to high magnification

  • BS 5306-6.2:1989(1999) Fire extinguishing installations and equipment on premises — Part 6 : Foam systems — Section 6.2 Specification for medium and high expansion foam systems
  • 15/30287653 DC BS ISO 7076-4. Fire protection. Foam fire extinguishing systems. Part 4. High expansion foam equipment
  • 18/30367102 DC BS ISO 7203-2. Fire extinguishing media. Foam concentrates - Part 2. Specification for medium- and high-expansion foam concentrates for top application to water-immiscible liquids
  • PD IEC TR 63127:2019 Guideline for the system design of HVDC converter stations with line-commutated converters
  • PD IEC/TR 63065:2017 Guidelines for operation and maintenance of line commutated converter (LCC) HVDC converter station
  • PD IEC TR 63065:2017+A1:2022 Guidelines for operation and maintenance of line commutated converter (LCC) HVDC converter station
  • PD IEC TR 60919-2:2008+A2:2020 Performance of high-voltage direct current (HVDC) systems with line-commutated converters. Faults and switching

United States Navy, change to high magnification

International Organization for Standardization (ISO), change to high magnification

ITU-T - International Telecommunication Union/ITU Telcommunication Sector, change to high magnification

  • ITU-T Q.50-1997 Signalling between Circuit Multiplication Equipments (CME) and International Switching Centres (ISC) - Series Q: Switching and Signalling International Automatic and Semi-Automatic Working - Signalling for Circuit Multiplication Equipment (Study Group 11;
  • ITU-T Q.50.1 FRENCH-2001 Signalisation entre centres de commutation internationaux et équipements de multiplication de circuits numériques y compris la commande de compression et de décompression

Underwriters Laboratories (UL), change to high magnification

  • UL SUBJECT 139-2009 OUTLINE OF INVESTIGATION FOR HIGH-EXPANSION FOAM-EXTINGUISHING SYSTEM EQUIPMENT AND CONCENTRATES (Issue 5)
  • UL SUBJECT 139-1997 Outline of Investigation for High-Expansion Foam-Extinguishing System Equipment and Concentrates (Issue Number: 4)
  • UL SUBJECT 139-2014 Outline of Investigation for Medium- and High-Expansion Foam-Extinguishing System Equipment and Concentrates (Issue 6)
  • UL SUBJECT 139-2018 UL Outline for Investigation Medium- and High-Expansion Foam-Extinguishing System Equipment and Concentrates (Issue 7)

US-FCR, change to high magnification

Korean Agency for Technology and Standards (KATS), change to high magnification

  • KS X ISO/IEC 17341-2022 Information technology - Data interchange on 120 mm and 80 mm optical disk using +RW format - Capacity: 4.7 Gbytes and 1.46 Gbytes per side (Recording speed up to 4X)

SCC, change to high magnification

  • CAN/CSA-ISO/IEC 17341-10:2010 Information technology — Data interchange on 120 mm and 80 mm optical disk using +RW format — Capacity: 4,7 Gbytes and 1,46 Gbytes per side (recording speed up to 4X)
  • CAN/CSA-ISO/IEC 17341:2007 Information Technology - Data Interchange on 120 mm and 80 mm Optical Disk Using +RW Format - Capacity: 4,7 Gbytes and 1,46 Gbytes per Side (Recording Speed up to 4X)
  • BS PD IEC TR 63127:2019 Guideline for the system design of HVDC converter stations with line-commutated converters
  • TDCC 418:1992 Rail - Advance Interchange Consist
  • BS EN 61803:1999+A2:2016 Determination of power losses in high-voltage direct current (HVDC) converter stations line-commutated converters
  • BS PD IEC/TR 63065:2017 Guidelines for operation and maintenance of line commutated converter (LCC) HVDC converter station
  • DANSK DS/EN IEC 61803:2020 Determination of power losses in high-voltage direct current (HVDC) converter stations with line-commutated converters
  • CEI EN IEC 61803:2021 Determination of power losses in high-voltage direct current (HVDC) converter stations with line-commutated converters
  • BS PD IEC/TR 60919-2:2008 Performance of high-voltage direct current (HVDC) systems with line-commutated converters. Faults and switching

AENOR, change to high magnification

Military Standard of the People's Republic of China-General Armament Department, change to high magnification

  • GJB 365.2-1987 Altitude and pressure conversion table
  • GJB 4943-2003 Communication protocol between program-controlled switches and digital circuit multiplication equipment in mobile backbone communication systems

Society of Automotive Engineers (SAE), change to high magnification

  • SAE AMS6549-2013 Steel Bars, Forgings, and Tubing 1.0Cr 3.2Ni 0.2Mo (0.12 - 0.17C) Premium Aircraft-Quality Double Vacuum Melted

ESDU - Engineering Sciences Data Unit, change to high magnification

  • ESDU 87004 B-2000 Calculation of excrescence drag magnification due to pressure gradients at high subsonic speeds.

International Electrotechnical Commission (IEC), change to high magnification

  • IEC TR 63127:2019+AMD1:2024 CSV Guideline for the system design of HVDC converter stations with line-commutated converters
  • IEC TR 63065:2017 Guidelines for operation and maintenance of line commutated converter (LCC) HVDC converter station
  • IEC 61803:2011 Determination of power losses in high-voltage direct current (HVDC) converter stations with line-commutated converters
  • IEC 61803:2016 Determination of power losses in high-voltage direct current (HVDC) converter stations with line commutated converters

IX-IX-IEC, change to high magnification

Professional Standard - Electricity, change to high magnification

  • DL/T 848.4-2004 General technical specification of high voltage test devices Part 4: triple-frequency test transformer
  • DL/T 848.4-2019 General technical requirements for high-voltage test equipment Part 4: Triple frequency test transformer equipment

Professional Standard - Chemical Industry, change to high magnification

国家市场监督管理总局、中国国家标准化管理委员会, change to high magnification

Hunan Provincial Standard of the People's Republic of China, change to high magnification

Liaoning Provincial Standard of the People's Republic of China, change to high magnification

农业农村部, change to high magnification

  • NY/T 3028-2016 Technical regulations for pear high inoculation and transplantation

RU-GOST R, change to high magnification

  • GOST 19656.9-1979 Semiconductor microwave varactors and multiplier diodes. Methods of measuring time constant and limiting frequency
  • GOST 19656.9-1974 Ultra-high frequency multiplication and parametric semiconductor diodes fixed time and limit frequency measurement methods

CZ-CSN, change to high magnification

IT-UNI, change to high magnification

Anhui Provincial Standard of the People's Republic of China, change to high magnification

  • DB34/T 2895-2017 Technical Regulations for Pomegranate High-grain Inoculation and Replanting

Guangxi Provincial Standard of the People's Republic of China, change to high magnification

  • DB45/T 1282-2016 Chestnut high crown replacement technical regulations
  • DB45/T 1476-2016 Technical regulations for longan high grafting and replanting
  • DB45/T 1477-2016 Technical Regulations for High Grafting and Replanting of Litchi
  • DB45/T 2408-2021 Technical regulations for high grafting and replanting of lotus mist
  • DB45/T 2006-2019 Technical regulations for high grafting and replanting of soaked walnuts

Gansu Provincial Standard of the People's Republic of China, change to high magnification

Guangdong Provincial Standard of the People's Republic of China, change to high magnification

  • DB4409/T 07-2019 Technical Regulations for High Grafting and Replanting of Litchi
  • DB4419/T 8-2023 Technical Regulations for High Grafting and Replanting of Litchi

Shaanxi Provincial Standard of the People's Republic of China, change to high magnification

Jiangxi Provincial Standard of the People's Republic of China, change to high magnification

  • DB36/T 755-2013 Technical Regulations for Camellia High Jointing and Crown Replacement

Yunnan Provincial Standard of the People's Republic of China, change to high magnification

Henan Provincial Standard of the People's Republic of China, change to high magnification

Chongqing Provincial Standard of the People's Republic of China, change to high magnification

  • DB50/T 1295-2022 Technical Regulations for High Grafting and Replanting of Walnut

Xinjiang Provincial Standard of the People's Republic of China, change to high magnification

国家林业局, change to high magnification

  • LY/T 2679-2016 Technical regulations for crown replacement of Camellia oleifera
  • LY/T 2784-2016 Technical regulations for high-quality exchange and replacement of olive oil

Aerospace Industries Association/ANSI Aerospace Standards, change to high magnification

  • AIA/NAS NAS 937-2006 Drills, Double Margin Stepped, High Speed Steel and Cobalt, 1/8 Inch Thru 1/2 Inch Rev 6; FSC 5133

Professional Standard - Machinery, change to high magnification

  • JB/T 10503-2005 Specification for high performance tubes for air conditioning and refrigeration field service

Professional Standard - Ferrous Metallurgy, change to high magnification

  • YB 4053-1991 Technical conditions of high-efficiency jet flow heat exchanger

Hebei Provincial Standard of the People's Republic of China, change to high magnification

  • DB13/T 1406-2011 Technical regulations for high pear tree replacement and replacement

工业和信息化部/国家能源局, change to high magnification

  • JB/T 10503-2017 High-efficiency heat exchange tubes for air conditioning and refrigeration

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