Sign In |Help & Support
ALL SECTORS
  • ALL SECTORS
  • GB(National Standard)
  • CB(Shipping)
  • CECS(Engineering Construction)
  • CJ(Urban Construction)
  • CY(News and Publication)
  • DB(Provincial Standard)
  • DL(Electricity & Power)
  • DZ(Geology & Mineralogy)
  • FZ(Spinning & Textile)
  • GA(Public Security)
  • HB(Aviation)
  • HG(Chemical Industry)
  • HJ(Environmental Protection)
  • JB(Machinery)
  • JC(Building Materials)
  • JG(Building & Construction)
  • JJ(Metering)
  • JT(Highway & Transportation)
  • LY(Forestry)
  • MT(Coal)
  • NB(Energy)
  • NY(Agriculture)
  • QB(Light Industry)
  • QC(Automobile & Vehicle)
  • QJ(Aerospace)
  • SH(Petrochemical)
  • SJ(Electronics)
  • SL(Water Resources)
  • SN(Commodity Inspection)
  • SY(Oil & Gas)
  • TB(Railway & Train)
  • YB(Ferrous Metallurgy)
  • YC(Tobacco)
  • YD(Telecommunication)
  • YY(Medical Device)
Database: 365,228(8 Aug 2026)

high frequency diffusion

high frequency diffusion, Total:109 items.

The international standard classification for "high frequency diffusion" includes: .

The Chinese standard classification for "high frequency diffusion" includes: Technical management , Temperature and pressure instrument .


Group Standards of the People's Republic of China

Professional Standard - Electron

  • SJ 1651-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD262 and 3DD263
  • SJ 772-1974 Detail specification for silion NPN alloy diffused low-frequency high power transistors,Type 3DD61
  • SJ 1653-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD267,3DD268 and 3DD269
  • SJ 1642-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD164,3DD165 and 3DD166
  • SJ 1647-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD253 and 3D
  • SJ 774-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD64
  • SJ 1646-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD175 and 3DD176
  • SJ 778-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD70
  • SJ 1641-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD162 and 3DD163
  • SJ 768-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD55
  • SJ 1638-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD155 and 3DD156
  • SJ 1645-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD173 and 3DD174
  • SJ 1639-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD157 and 3DD158
  • SJ 1652-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD264,3DD265 and 3DD266
  • SJ 1650-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD259,3DD260 and 3DD261
  • SJ 1654-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD270, 3DD271 and 3Dd272
  • SJ 1655-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD275 and 3DD276
  • SJ 1644-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD170,3DD171 and 3DD172
  • SJ 780-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD72
  • SJ 1649-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors, Type 3DD257 and 3DD258
  • SJ 1637-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD153 and 3DD154
  • SJ 1643-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD167,3DD168 and 3DD169
  • SJ 1648-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD255 and 3DD256
  • SJ 1636-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD151 and 3DD152
  • SJ 1777-1981 CK-100~600 ultra-high vacuum metal oil diffusion pump technical conditions
  • SJ 770-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD58
  • SJ 1640-1980 Detail specification for silicon NPN diffused mesa low-frequency high power transistors,Type 3DD159,3DD160 and 3DD161
  • SJ 766-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD52
  • SJ 776-1974 Detail specification for silicon NPN alloy diffused low-frequency high power transistors,Type 3DD67
  • SJ 1778-1981 CK-100~600 ultra-high vacuum metal oil diffusion pump test method

工业和信息化部

未注明发布机构

  • GJB 1201.1-1991 Test method for high temperature thermal diffusivity of solid materials Laser pulse method

Professional Standard - Machinery

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

SCC

  • AHRI 890-2001 Air Diffusers and Air Diffuser Assemblies
  • VDI 3945 BLATT 1-1996 Environmental meteorology — Atmospheric dispersion models — Gaussian cloud model
  • VDI 3945 BLATT 1-1996 Environmental meteorology — Atmospheric dispersion models — Gaussian cloud model
  • CEI 12-20:1998 Methods for measurements on radio receivers for various emission classes - Part 4: Radio frequency measurements on receivers for frequency modulated sound broadcast emissions
  • NS-EN 15445:2008 Fugitive and diffuse emissions of common concern to industry sectors — Qualification of fugitive dust sources by Reverse Dispersion Modelling
  • DANSK DS/EN 15445:2008 Fugitive and diffuse emissions of common concern to industry sectors - Qualification of fugitive dust sources by Reverse Dispersion Modelling

API - American Petroleum Institute

Korean Agency for Technology and Standards (KATS)

GSO

RU-GOST R

  • GOST 5.1150-1971 High vacuum diffusion pumps type NVD. Quality requirements of certified products
  • GOST R 8.755-2011 State system for ensuring the uniformity of measurements. Dispersion content of gas atmospheres. Determination of nanoparticle size by diffusion spectral analysis

American Welding Society (AWS)

KR-KS

Association Francaise de Normalisation

  • NF T90-345:1990 Testing water. Dispersive products. Evaluation of the effectiveness for petroleum dispersion.

WRC - Welding Research Council

American Society for Testing and Materials (ASTM)

  • ASTM D6619-00(2006) Standard Practice for Incorporating Pigments by High Speed Dispersion
  • ASTM D6619-00 Standard Practice for Incorporating Pigments by High Speed Dispersion

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.

Society of Automotive Engineers (SAE)

SAE - SAE International

International Organization for Standardization (ISO)

  • ISO/TR 5658-1:1997 Reaction to fire tests - Spread of flame - Part 1: Guidance on flame spread
  • ISO/TS 5658-1:2006 Reaction to fire tests - Spread of flame - Part 1: Guidance on flame spread

VDI - Verein Deutscher Ingenieure

  • 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

U.S. Military Regulations and Norms

IET - Institution of Engineering and Technology