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)

How to calculate the ratio of high and low pressure measurement?

How to calculate the ratio of high and low pressure measurement?, Total:118 items.

The international standard classification for "How to calculate the ratio of high and low pressure measurement?" includes: Petroleum products and natural gas handling equipment , Energy and heat transfer engineering in general .

The Chinese standard classification for "How to calculate the ratio of high and low pressure measurement?" includes: Traction substation , Basic standards and general methods , Basic standards and general methods , Marking, packaging, transport and storage , Basic standards and general method , Standardization and Quality Management , .


Professional Standard - Railway

  • TB/T 2799-1997 Calculation Condition and Method for Harmonic Voltage Distortion Rate of Electrified Railway
  • TB/T 1651-1996 Calculation Condition and Method for Transformer Capacity of Traction Substation
  • TB/T 2829-1997 Definition and calculation method of current and voltage commonly used in traction substation

Professional Standard - Electron

  • SJ/Z 2921-1988 Calculating methods for transformers for switched mode power supplies

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

  • GB/T 32216-2015(英文版) Hydraulic fluid power—Test method for the proportional/servo controlled hydraulic cylinder
  • GB/T 13234-2009 Calculating methods of energy saved for enterprise
  • GB/T 13234-1991 Method of calculating energy seved in industrial enterprise
  • GB 9110-1988 Crude oil vertical metal tank measurement; Method of calculation of quantities
  • GB/T 31934-2015 Measuring and calculation method for heat storage capacity of high radiative coating

Professional Standard - Ferrous Metallurgy

  • YB/T 4406-2013 The measuring and calculation method of heat storage capacity on high radiative coating

Professional Standard - Aerospace

  • QJ 1395-1988 Simplified Calculation Method and Computer Program for Specific Impulse Efficiency of Solid Rocket Motor

Shanghai Provincial Standard of the People's Republic of China

  • DB31/T 227-1999 Method for calculating intergrating energy consumption of standard unit production of viscose fibre

Zhejiang Provincial Standard of the People's Republic of China

  • DB33/ 758-2015 Cotton yarn unit output comparable comprehensive power consumption limit and calculation method

Taiwan Provincial Standard of the People's Republic of China

  • CNS 12761-2001 Method for calculated cetane index by four variable equation

Group Standards of the People's Republic of China

  • T/TCMCA 0002-2020 CAE and lightweight design methods for manual transmissions of vehicles
  • T/CIQA 87-2024 Experimental Proportioning of Coal and Coke and Calculation Method of Results

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Professional Standard - Electricity

  • DL/T 691-1999 Methods of calculation of radio interference from high voltage overhead power transmission lines
  • DL/T 691-2019 Calculation method of radio interference from high voltage overhead power transmission lines
  • DL/T 2036-2019 Calculation method of audible noise from high voltage overhead AC transmission lines
  • DL/T 691-2019(英文版) Calculation method for radio interference of high-voltage overhead transmission lines

Professional Standard-Ships

  • CB/Z 20015-2014 Marine high parameter steam system design and calculation method

Professional Standard - Military and Civilian Products

  • WJ/T 9080-2013 Calculation method of comparable comprehensive energy consumption per unit output of civil explosives

未注明发布机构

  • ASTM RR-D03-1000 1977 D3588-Standard Method of CalculatingCalorific Value and Specific Gravity of Gaseous Fuels

Professional Standard - Petroleum

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence

  • GJB/Z 226-2006 Methods for design and calculation for submarine non-pressure hull structure

SCC

  • VDI/VDE 3513 BLATT 1-2014 Variable area flowmeter — calculation method
  • VDI/VDE 3513 BLATT 1-2014 Variable area flowmeter — calculation method
  • SPC GB/T 31934-2015 Measuring And Calculation Method For Heat Storage Capacity Of High Radiative Coating
  • CEI EN IEC 62985/AC:2020 Methods for calculating size specific dose estimate (SSDE) on computed tomography
  • DANSK DS/EN IEC 62985:2019 Methods for calculating size specific dose estimates (SSDE) on computed tomography
  • CEI IEC/TR 60890:2018 Verification method by calculating the overtemperature for low voltage protection and switching equipment assemblies (LV switchboards)
  • CEI EN IEC 62985:2020 Methods for calculating size specific dose estimate (SSDE) on computed tomography
  • VDI/VDE 2630 BLATT 1.4-2010 Computed tomography in dimensional measurement technology — comparison of different dimensional measurement methods
  • DANSK DS/EN 13363-2:2005 Solar protection devices combined with glazing – Calculation of total solar energy transmittance and light transmittance – Part 2: Detailed calculation method
  • VDI/VDE 2630 BLATT 1.4-2010 Computed tomography in dimensional measurement technology — comparison of different dimensional measurement methods

Association of German Mechanical Engineers

VDI - Verein Deutscher Ingenieure

Korean Agency for Technology and Standards (KATS)

KR-KS

  • KS C IEC 62985-2021 Methods for calculating size specific dose estimates(SSDE) for computed tomography
  • KS P IEC 62985-2021 Methods for calculating size specific dose estimates(SSDE) for computed tomography

International Telecommunication Union (ITU)

GOST

  • GOST R 70927-2023 Natural gas. Methods for calculating physical properties. Calculation of the compression factor in the low temperature range
  • GOST 147-1974 Brown coals, hard coals, anthracite, combustible shales, turf and briquettes. Method for determination of specific heat of combustion
  • GOST 21261-2021 Petroleum products. Method for determination of gross calorific value and calculation of net calorific value

IN-BIS

  • IS 2808-1964 Calculation method of pressurized storage tank capacity table
  • IS 12545-1988 How to Calculate Aircraft Cargo Volume

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector

American National Standards Institute (ANSI)

  • ANSI/ANS 5.4-2011 Method for Calculating the Fractional Release of Volatile Fission Products from Oxide Fuel

American Nuclear Society (ANS)

  • ANS 5.4-2011 Method for calculating the fractional release of volatile fission products from oxide fuel

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

  • ASHRAE 3847-1995 Comparison of Energy Prediction of Three Ground-Coupling Heat Transfer Calculation Methods
  • ASHRAE 4176-1998 Quantitative Comparison of North American and U.K. Cooling Load Calculation Procedures - Methodology (RP-942)

RU-GOST R

  • GOST 26303-1984 High-pressure vessels and apparatus. Threaded studs. Methods of strength calculation
  • GOST R 54522-2011(2019) High pressure vessels and apparatus. Norms and methods of strength calculation. Calculation of cylindric shells, heads, flanges, covers. Design recommendations
  • GOST R 54522-2011 High pressure vessels and apparatus. Norms and methods of strength calculation. Calculation of cylindric shells, heads, flanges, covers. Design recommendations
  • GOST 25.602-1980 Design calculation and strength testings. Methods of mechanical testing of polymeric composite materials. Test for compression properties at normal, elevated and low temperatures
  • GOST 11065-1990 Jet propulsion fuel. Method for the calculation of low specific heat of combustion

AT-ON

  • ONORM M 7140 Beib.3-1999 Economic comparison calculation of energy Systems based on the extended annuity - method - Calculation sheets
  • ONORM M 7140-1999 Economic comparison calculation of energy systems based on the extended annuity-method-Definitions, calculation scheme

Indonesia Standards

Japanese Industrial Standards Committee (JISC)

  • JIS Z 4503:1989 Methods of evaluating dose equivalent by film badges for gamma rays and hard X-ray
  • JIS Z 8753:1989 Measuring methods of low pressures by thermal conductivity gauge
  • JIS T 62985:2022 Methods for calculating size specific dose estimates (SSDE) for computed tomography
  • JIS M 1003:1957 Calculation of limestone reserves
  • JIS Z 4502:1989 Methods of evaluating dose equivalent by X-ray film badges
  • JIS Z 4521:2006 Method of calibration for neutron dose equivalent (rate) meters

IEEE - The Institute of Electrical and Electronics Engineers@ Inc.

  • IEEE 272-1970 STANDARD FOR COMPUTER- TYPE (SQUARE-LOOP) PULSE TRANSFORMERS

Institute of Electrical and Electronics Engineers (IEEE)

  • IEEE No 272 IEEE Standard for Computer-Type (Square-Loop) Pulse Transformers

CU-NC

  • NC 53-41-1990 Construction Designs Wind Pressure Loads Calculating Method

BE-NBN

International Organization for Standardization (ISO)

  • ISO 6578:2017 Refrigerated hydrocarbon liquids - Static measurement - Calculation procedure
  • ISO 6578:1991 Refrigerated hydrocarbon liquids; static measurement; calculation procedure

American Society for Testing and Materials (ASTM)

  • ASTM D4737-21 Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-10(2016) Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-03 Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-09 Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-04 Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-09a Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-96a(2001) Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-96a Standard Test Method for Calculated Cetane Index by Four Variable Equation
  • ASTM D4737-10 Standard Test Method for Calculated Cetane Index by Four Variable Equation

British Standards Institution (BSI)

ES-UNE

  • UNE-EN IEC 62985:2019 Methods for calculating size specific dose estimates (SSDE) on computed tomography (Endorsed by Asociación Española de Normalización in December of 2019.)
  • UNE-EN IEC 62985:2019/AC:2022-07 Methods for calculating size specific dose estimates (SSDE) for computed tomography (Endorsed by Asociación Española de Normalización in August of 2022.)

IT-UNI

  • UNSIDER 15-1956 Quality inspection. Statistical methods for displaying bivariate distribution properties, calculation of correlations and regressions
  • UNI 6809-1972 Statistical methods for quality inspection. Compare the dispersion between two series by comparing the variability

German Institute for Standardization

  • DIN EN IEC 62985:2021-10 Methods for calculating size specific dose estimate (SSDE) on computed tomography (IEC 62985:2019); German version EN IEC 62985:2019

SAE - SAE International

Society of Automotive Engineers (SAE)

RO-ASRO

  • STAS 6880/3-1988 Colorimetry REFLECTION COLORIMETRY Calculation of colour differences

International Electrotechnical Commission (IEC)

  • IEC 62985:2019 Methods for calculating size specific dose estimates (SSDE) for computed tomography

DE-GPVA

European Committee for Electrotechnical Standardization(CENELEC)

  • EN IEC 62985:2019 Methods for calculating size specific dose estimates (SSDE) on computed tomography

Association Francaise de Normalisation

HU-MSZT

  • MSZ MI 13822/19-1984 Pressure cooker stability calculation pressure cooker bottom
  • MSZ KGST 1855-1979 Air pressure gauges, vacuum pressure gauges, counting tables and proportional tables for vacuum gauges

GOSTR

  • GOST 34233.6-2017 Vessels and apparatus. Norms and methods of strength calculation. Strength calculation under low-cyclic loads