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Database: 365,228(8 Aug 2026)

diffusion

diffusion, Total:307 items.

The international standard classification for "diffusion" includes: Animal husbandry and breeding , Products of the chemical industry in general , Other products of non-ferrous metals , Thermoplastic materials , Welding consumables , Education , Powder metallurgy , Chemical analysis of metals , Fasteners in general , Coated fabrics , Acoustics in building. Sound insulation. , Veterinary medicine , Titanium and titanium alloys , Textiles in general , Insulating materials in general , Chemical analysis , Measurement of force, weight and pressure , Metallic coatings , Paint coating processes , Laboratory medicine , Welding processes , Cement. Gypsum. Lime. Mortar , Glass products , Semiconducting materials .

The Chinese standard classification for "diffusion" includes: Animal quarantine, veterinary and epidemic prevention , Basic standards and general methods for dye , Rare metals and their alloys , Welding and cutting , Technical Management , Powder metallurgy analysis method , Metal physical property test method , Fastener , Photographic-grade chemicals , Rubber tube, rubber belt and tape , Physics and Mechanics , Architectural physics , Forging and pressing , Basic standards and general methods , Electrical insulating material and its products , Industrial gas and chemical gas , Temperature and pressure instrument , Technical management , Vacuum technique and equipment , Material Protection , Vacuum grease and anti-rust grease , Medical laboratory equipment , Domesticate animal , Technical management , Technical management , Other production equipment , Cement , Quartz glass , Elemental semiconductor material .


Group Standards of the People's Republic of China

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 37098-2018 Rating requirements for knowledge diffusion competence of innovation method
  • GB/T 39539-2020 Technical requirements for determination of gas diffusion coefficient in shale reservoir
  • GB/T 11108-1989 method for thermal diffusivity of hardmetal (carbide)
  • GB/T 17999.5-2008 SPF chicken—Microbiological surveillance—Part 5:Agar gel precipitation test for SPF chicken
  • GB/T 45135-2024 Superplastic forming and diffusion bonding parts of titanium alloy sheet—General specifications
  • GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen (microdiffusion Kjeldahl method)
  • GB/T 5267.5-2024 Fasteners surface treatment—Part 5:Zinc thermal diffusion coatings
  • GB/T 42160-2022(英文版) Grain boundary diffusion NdFeB permanent magnet material
  • GB/Z 28820.1-2012 Long-term radiation ageing in polymers - Part 1: Techniques for monitoring diffusion-limited oxidation
  • GB/T 3965-2012 Determination of diffusible hydrogen in deposited metal
  • GB/T 11108-2017 Test method for thermal diffusivity of hardmetal
  • GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
  • GB/T 5275.8-2014 Gas analysis―Preparation of calibration gas mixtures using dynamic volumetric methods―Part 8:Diffusion method
  • GB/T 20944.1-2007 Textiles-Evaluation for antibacterial activity?Part 1:Agar diffusion plate method
  • SN/T 1944-2016 Detection of antimicrobial resistance of the bacteria in animal and animal products-Disk diffusion testing
  • GB/T 3965-1995 Methods for determination of diffusible hydrogen in deposited metal
  • GB/T 35516-2017 Light diffusion polycarbonate for LED luminaire
  • GB/T 14141-1993 Test method for sheet resistance of silicon epitaxial, diffused and ion-implanted layers using a collinear four-probe array
  • GB/T 21228.2-2023 Acoustics—Sound-scattering properties of surfaces—Part 2:Measurement of the directional diffusion coefficient in a free field
  • GB/T 17999.4-1999 SPF chicken--Agar gel precipitation test
  • GB/T 34705-2017 Rubber-or plastics-coated fabrics—Determination of oil permeability resistance—Cup method
  • GB/T 27597-2011 Dyestuffs—Determination of diffusibility
  • GB/T 42160-2022 Grain boundary diffusion neodymium iron boron permanent magnet materials
  • GB/T 17312-1998 Random-incidence and diffuse-field calibration of sound level meters

Professional Standard - Machinery

Professional Standard - Chemical Industry

Professional Standard - Aviation

  • HB 5050-1977 Quality inspection of lead-indium diffusion coating (trial implementation)
  • HB/Z 31-1982 General process instructions on nickel- cadmium diffused plating
  • HB 5196-1982 Quality Inspection for Nickel-cadmium Diffused Plating

Hebei Provincial Standard of the People's Republic of China

Professional Standard - Petrochemical Industry

  • SH/T 0294-1992 Determination method for ultimate pressure of diffusion pump oil

Professional Standard - Medicine

  • YY/T 1726-2020 Agar diffusion and dilution susceptibility test strip

Professional Standard - Meteorology

  • QX/T 413-2018 Grades of air pollution diffusion meteorological conditions

Professional Standard - Petroleum

  • SY/T 6129-1995 Determination for diffusion coefficient of hydrocarbon gases in rock

Professional Standard - Energy

  • NB/T 20202-2013 Test Specifications for Atmospheric Diffusion of Nuclear Power Plants

Heilongjiang Provincial Standard of the People's Republic of China

  • DB23/T 3191-2022 Technical regulations for the construction of Korean pine population spread forest

Professional Standard - Commodity Inspection

  • SN/T 1944-2007 Detection of antimicrobial resistance of the bacteria in animal and animal products-Disk diffusion testing
  • SN/T 1223-2003 The detection of antibodies against ovine progressive pneumonia virus - Protocol of agar gel immuno-diffusion test
  • SN/T 1182.1-2003 Detection antibodies against avian influenza virus--Procotol of agar gel immuno-difusion test
  • SN/T 1467-2004 Method of virus isolation and ager-gelimmunodiffusion test for gosling plague
  • SN/T 1165.2-2002 Protocol of agar gel immuno-diffusion test for bluetongue
  • SN/T 1315-2003 Protocol of agar gel immunodiffusion test for enzootic bovine leukosis
  • SN/T 1473-2004 Protocol of ager gel immunodiffusion test for rabbit myxomatosis
  • SN/T 1172-2003 Detection avian leucosis/sarcoma antigens - Protocol of agar gel immunodiffusion test
  • SN/T 1357-2004 Protocol of AGID for ibaraki disease
  • SN/T 1556-2005 Protocol of ager gel immunodiffusion test for avian infectious coryza
  • SN/T 1358.2-2005 Protocol of agar gel immuno-diffusion test for equine infectious anaemia
  • SN/T 1181.1-2003 Detection antibodies against foot and mouth disease virus infection-associated antigen-Protocol agar gel immuno-diffusion test
  • SN/T 1167-2002 Protocol of agar gel immunodiffusion test for eqizootic haemorrhagic disease of deer
  • SN/T 1221-2003 Detection of antibodies against avian infectious bronchitis virus-Protocol of agar gel immunodiffusion test
  • SN/T 1171.2-2003 Detection of antibodies against caprine arthritits-encephalitis virus(CAEV)--Agar gel immunodiffustion(AGID)

Professional Standard - Nuclear Industry

  • EJ/T 770-1993 Quality Control Requirements for Enriched Uranium Production in Diffusion Plants

Professional Standard - Electron

  • SJ 1644-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD170,3DD171 and 3DD172
  • SJ/T 31112-1994 Requirements of readiness and methods of inspection and assessment for WGK micro-control diffusion system
  • SJ 1645-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD173 and 3DD174
  • SJ 778-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD70
  • SJ 772-1974 Detail specification for silion NPN alloy diffused low-frequency high power transistors,Type 3DD61
  • SJ 1652-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD264,3DD265 and 3DD266
  • SJ 780-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD72
  • SJ 1776-1981 CK-100~600 ultra-high vacuum metal oil diffusion pump structure type and parameter series
  • SJ 1641-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD162 and 3DD163
  • SJ 766-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD52
  • SJ 2065-1982 Testing method for diffusion furnace for semiconductor device manufacturing
  • SJ 1650-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD259,3DD260 and 3DD261
  • SJ/T 11451-2022 Specification for energy consumption of diffusion furnace
  • SJ 1654-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD270, 3DD271 and 3Dd272
  • SJ 1653-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD267,3DD268 and 3DD269
  • SJ 1651-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD262 and 3DD263
  • SJ 1648-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD255 and 3DD256
  • SJ 1646-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD175 and 3DD176
  • SJ 1649-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD257 and 3DD258
  • SJ/T 31131-1994 Requirements of readiness and methods of inspection and assessment for Type 4304 diffusion furnaces
  • SJ 776-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD67
  • SJ 1777-1981 CK-100~600 ultra-high vacuum metal oil diffusion pump technical conditions
  • SJ 1642-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD164,3DD165 and 3DD166
  • SJ/T 31132-1994 Requirements of readiness and methods of inspection and assessment for ASM microcomputer-controlled diffusion furnaces
  • SJ 1655-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD275 and 3DD276
  • SJ 1638-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD155 and 3DD156
  • SJ/T 11451-2013 Specification for energy consumption norm of diffusion furnace
  • SJ 1794-1981 General specification for diffusion furnace for semiconductor device manufacturing
  • SJ 1640-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD159,3DD160 and 3DD161
  • SJ 768-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD55
  • SJ 1637-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD153 and 3DD154
  • SJ 1639-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD157 and 3DD158
  • SJ 1778-1981 CK-100~600 ultra-high vacuum metal oil diffusion pump test method
  • SJ 774-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD64
  • SJ 1643-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD167,3DD168 and 3DD169
  • SJ 1636-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD151 and 3DD152

Professional Standard - Aerospace

  • QJ 1679-1989 Forming process specification for inner and outer wall parts of converging section and diffusing section of liquid rocket engine
  • QJ 3251-2005 Technical requirements for vacuum diffusion welding of copper and copper alloy with steel

Professional Standard - Building Materials

  • JC/T 2066-2011 Quartz glass diffusion tubes for silicon for solar cell
  • JC/T 1086-2008 The method for determining the chloride diffusion coefficient for cement

Professional Standard - Non-ferrous Metal

未注明发布机构

  • DWA-M 544 2 E:2014-12 Diffusion Problems of Discharges - Processes, Methods and Models Part 2: Multi-dimensional Models
  • FORD FLTM BB 101-16-2000 RESISTANCE OF AUTOMOTIVE ELECTRICAL CABLE TO FLAME PROPAGATION
  • DWA-M 544-1 E:2014-12 Spread problems of discharges - Processes, methods and models Part 1: Application fundamentals, estimation formulas and one-dimensional models
  • DWA-M 544 1 E:2014-12 Diffusion Problems - Processes, Methods and Models

Professional Standard - Agriculture

Military Standard of the People's Republic of China-General Armament Department

  • GJB 5482-2005 General requirements for information management of small arms mobilization, production technology reserves and proliferation
  • GJB 584-1988 Ceramic flake phosphorus and boron diffusion source

Xinjiang Provincial Standard of the People's Republic of China

  • DB65/T 4666-2023 Differential diagnostic method of Brucella bovis and sheep natural hapten agar diffusion test

National Metrological Verification Regulations of the People's Republic of China

Professional Standard - Cultural Relics Protection

  • WW/T 0122-2023 Gas diffusion sampling and determination methods for environmental detection of cultural relics preservation in museums Determination of formaldehyde
  • WW/T 0121-2023 Environmental testing for the preservation of cultural relics in museums Gas diffusion sampling and measurement methods Ozone measurement
  • WW/T 0047-2012 Gas Diffusion Sampling and Determination Method for Environmental Detection of Cultural Relics Preservation in Collections Determination of Ammonia

Guizhou Provincial Standard of the People's Republic of China

  • DB52/T 1465-2019 Gradient Diffusion Thin Film (DGT) Method for Extracting Effective State of Heavy Metal Cadmium from Soil of Agricultural Products Origin

U.S. Air-Conditioning, Heating, and Refrigeration Institute (US-AHRI)

U.S. Air-Conditioning, Heating, and Refrigeration Institute (US-AHRI)

Kingdom of Bahrain Testing and Metrology Directorate

Korean Agency for Technology and Standards (KATS)

GCC Standardization Organization

SCC

  • AHRI 890-94 Rating of Air Diffusers and Air Diffuser Assemblies
  • ADS AGS966 Cock (No. 2 Size) with Diffuser

Association Francaise de Normalisation

  • NF T90-345:1990 Testing water. Dispersive products. Evaluation of the effectiveness for petroleum dispersion.
  • NF E51-600:1978 AIR DISTRIBUTION AND DIFFUSION. VOCABULARY.
  • NF T30-065:1980 Paints. Comparison of resistance to bleeding of pigments.
  • NF X31-508:1992 Soil quality - Physical methods - Determination of the apparent diffusion coeffcient - Diffusion of a solute within a porous environment

American Welding Society (AWS)

WRC - Welding Research Council

Society of Automotive Engineers (SAE)

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

International Organization for Standardization (ISO)

  • ISO/TS 5658-1:2006 Reaction to fire tests - Spread of flame - Part 1: Guidance on flame spread
  • ISO/TR 5658-1:1997 Reaction to fire tests - Spread of flame - Part 1: Guidance on flame spread
  • ISO 17497-2:2012 Acoustics - Sound-scattering properties of surfaces - Part 2: Measurement of the directional diffusion coefficient in a free field
  • ISO 17497-1:2004 Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room

Association of German Mechanical Engineers

  • VDI 3782 BLATT 6-2017 Environmental meteorology - Atmospheric dispersion models - Determination of Klug/Manier dispersion categories
  • VDI 3782 BLATT 6-2017 Environmental meteorology - Atmospheric dispersion models - Determination of Klug/Manier dispersion categories
  • VDI 4285 BLATT 3-2015 Metrological determination of emissions from diffuse sources — Quantification of diffuse particulate matter emissions from industrial plants including agricultural sources
  • VDI 3783 BLATT 1-1987 Dispersion of air pollutants in the atmosphere; dispersion of accident-related releases; safety analysis
  • VDI 4285 Blatt 3-2013 Messtechnische Bestimmung der Emissionen diffuser Quellen - Quantifizierung von diffusen Feinstaubemissionen aus industriellen Anlagen einschliesslich landwirtschaftlicher Quellen
  • VDI 3869 BLATT 3-2010 Measuring ammonia in the ambient air — Sampling with coated diffusion separators (denuders) — Photometric or ion chromatographic analysis

U.S. Military Regulations and Norms

Ente Nazionale Italiano di Unificazione

  • UNI ISO 2469:2015 Paper, board and pulps - Measurement of diffuse radiance factor (diffuse reflectance factor)
  • UNI/TS 11297:2008 Evaluation procedures against gas leakages risks

Japanese Industrial Standards Committee (JISC)

CZ-CSN

PL-PKN

Military Standards (MIL-STD)

US-FCR

British Standards Institution (BSI)

  • BS EN 13900-1:2003 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - General introduction
  • BS 6693-4:1988 Diffusible hydrogen-Primary method for the determination of diffusible hydrogen in submerged-arc ferritic steel weld metal
  • BS ISO 17497-2:2012 Acoustics. Sound-scattering properties of surfaces. Measurement of the directional diffusion coefficient in a free field
  • BS ISO 17497-1:2004 Acoustics - Sound scattering properties of surfaces - Measurement of the random-incidence scattering coefficient in a reverberation room
  • BS ISO 23900-1:2015 Pigments and extenders. Methods of dispersion and assessment of dispersibility in plastics. General introduction
  • BS 6693-3:1988 Diffusible hydrogen-Primary method for the determination of diffusible hydrogen in manual metal-arc ferritic steel weld metal
  • BS EN ISO 177:1990 Plastics - Determination of migration of plasticizers
  • BS EN ISO 177:2000 Plastics - Determination of migration of plasticizers
  • 24/30478182 DC BS EN 12272-1 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings
  • BS EN 13900-2:2003 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Determination of colouristic properties and ease of dispersion in plasticized polyvinyl chloride by two-roll milling
  • BS EN 13900-4:2004 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Determination of colouristic properties and ease of dispersion of white pigments in polyethylene by two-roll milling
  • 05/30143816 DC EN 15445. Fugitive and diffuse emissions of common concern to industry sectors. Fugitive dust emission rate estimates by reverse dispersion modelling
  • BS ISO 23900-4:2015 Pigments and extenders. Methods of dispersion and assessment of dispersibility in plastics. Determination of colouristic properties and ease of dispersion of white pigments in polyethylene by two-roll milling
  • BS ISO 23900-2:2015 Pigments and extenders. Methods of dispersion and assessment of dispersibility in plastics. Determination of colouristic properties and ease of dispersion in plasticized polyvinyl chloride by two-roll milling
  • BS EN 13900-5:2005 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Determination by filter pressure value test
  • BS 6693-5:1988 Diffusible hydrogen-Primary method for the determination of diffusible hydrogen in MIG, MAG, TIG or cored electrode ferritic steel weld metal

CL-INN

TR-TSE

  • TS 2878-1977 AIR DISTRIBUTION AND AIR DIFFUSION VOCABULARY

NL-NEN

  • NEN 2911-1985 Woodpreservation - Immersion foliowed by diffusion

National Aeronautics and Space Administration (NASA)

European Committee for Standardization (CEN)

  • EN 12271-3:2002 Surface Dressing - Specifications - Part 3: Rate of Spread and Accuracy of Spread of Binder and Chippings
  • prEN 12272-1-2021 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings
  • EN 13900-1:2003 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Part 1: General introduction
  • EN 13900-2:2003 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Part 2: Determination of colouristic properties and ease of dispersion in plasticized polyvinylchloride by two-roll milling
  • EN ISO 23900-1:2018 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Part 1: General introduction

Spanish Association for Standardization (UNE)

  • UNE-EN 12271-3:2002 Surface dressing - Specifications - Part 3: Rate of spread and accuracy of spread of binders and chippings.
  • UNE-EN 12272-1:2002 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings.

German Institute for Standardization

  • DIN EN 13900-1:2003 Pigments and extenders - Methods of dispersion and assessment of dispersibility in plastics - Part 1: General introduction; German version EN 13900-1:2003
  • DIN 54231:2005 Textiles - Detection of disperse dyestuffs
  • DIN EN 661:1995 Resilient floor coverings - Determination of the spreading of water; German version EN 661:1994
  • DIN EN 12272-1 E:2024-06 Draft Document - Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings; German and English version prEN 12272-1:2024

Danish Standards Foundation

  • DS/EN 12272-1:2002 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings
  • DANSK DS/EN 12272-1:2002 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings
  • DANSK DS/EN 15445:2008 Fugitive and diffuse emissions of common concern to industry sectors - Qualification of fugitive dust sources by Reverse Dispersion Modelling

United States Navy

American National Standards Institute (ANSI)

Gosstandart of Russia

Lithuanian Standards Office

  • LST EN 12272-1-2004 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings

Standards Norway

  • NS-EN 15445:2008 Fugitive and diffuse emissions of common concern to industry sectors — Qualification of fugitive dust sources by Reverse Dispersion Modelling
  • NS-EN 12272-1:2002 Surface dressing — Test methods — Part 1: Rate of spread and accuracy of spread of binder and chippings

AT-ON

  • OENORM EN 12272-1-2021 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings

Swedish Institute for Standards

  • SS-EN 12272-1:2002 Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spred of binder and chippings

American Society for Testing and Materials (ASTM)

  • ASTM C1556-11 Standard Test Method for Determining the Apparent Chloride Diffusion Coefficient of Cementitious Mixtures by Bulk Diffusion
  • ASTM C1556-22 Standard Test Method for Determining the Apparent Chloride Diffusion Coefficient of Cementitious Mixtures by Bulk Diffusion
  • ASTM C1556-11a Standard Test Method for Determining the Apparent Chloride Diffusion Coefficient of Cementitious Mixtures by Bulk Diffusion

Magyar Szabványügyi Testület

SE-SIS

ESDU - Engineering Sciences Data Unit

  • TM 19-1976 Effects of truncation on diffuser performance

IN-BIS

  • IS 10698-1983 Determination method of thermal diffusivity of grain