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)

Relative quantitative PCR calculation

Relative quantitative PCR calculation, Total:39 items.

The international standard classification for "Relative quantitative PCR calculation" includes: Natural gas , Gaseous fuels .

The Chinese standard classification for "Relative quantitative PCR calculation" includes: Natural gas , Coal gas .


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

  • GB/T 11062-2014 Natural gas-Calculation of calorific values, density, relative density and Wobbe index from composition
  • GB/T 11062-1998 Natural gas-Calculation of calorific values, density, relative density and Wobbe index from composition
  • GB/T 12576-1990 liquefied petrorum gases--calculation of vapour pressure and relative density
  • GB 11062-2020 Calculation methods for natural gas calorific value, density, relative density and Wobbe index
  • GB/T 12576-1997 Liquefied petroleum gases-Calculation of vapour pressure and relative density

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 27894.2-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 2:Uncertainty calculations
  • GB/T 11062-2020 Natural gas—Calculation of calorific values,density,relative density and Wobbe indices from composition
  • GB/T 27894.1-2020 Natural gas—Determination of composition and associated uncertainty by gas chromatography—Part 1:General guidelines and calculation of composition

Professional Standard - Aerospace

  • QJ 1538-1988 The Calculation Method of the Destroy Probability and Relative Coverage of Specific Targets by Surface-to-Surface Strategic Nuclear Missiles

Taiwan Provincial Standard of the People's Republic of China

  • CNS 14765-2003 Standard practice for calculating heat value, compressibility factor, and relative density of gaseous fuels

National Electrical Manufacturers Association(NEMA)

  • NEMA C12.24 TR-2011 Definitions for Calculations of VA, VAh, VAR, and VARh for Poly-Phase Electricity Meters

VDI - Verein Deutscher Ingenieure

  • VDI 4660 Blatt 2-2000 Calculation of emissions from energy-conversion systems relative to output energy

RO-ASRO

  • STAS SR ISO 1928:1995 Solid mineral fuels Determination of gross calorific value by the calorimeter bomb method and calculation of net calorific value

Association Francaise de Normalisation

AR-IRAM

  • IRAM 6505-1950 Relative weight determination of liquids with the aid of a density meter

British Standards Institution (BSI)

  • BS EN ISO 6974-2:2012 Natural gas. Determination of composition and associated uncertainty by gas chromatography. Uncertainty calculations
  • BS EN ISO 6974-2:2001 Natural gas. Determination of composition with defined uncertainty by gas chromatography. Measuring-system characteristics and statistics for processing of data
  • BS EN IEC 62985:2019(2022) Methods for calculating size specific dose estimates (SSDE) for computed tomography
  • BS EN ISO 6974-1:2012 Natural gas. Determination of composition and associated uncertainty by gas chromatography. General guidelines and calculation of composition

CZ-CSN

  • CSN 38 5572-1988 Natural gas. Calculation of calorific value, density and relative density

Japanese Industrial Standards Committee (JISC)

  • JIS T 62985:2022 Methods for calculating size specific dose estimates (SSDE) for computed tomography

American Society for Testing and Materials (ASTM)

  • ASTM D4254-00(2006)e1 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
  • ASTM D4254-00 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
  • ASTM D4254-00(2006) Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
  • ASTM D4254-16 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
  • ASTM D4254-14 Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density
  • ASTM UOP948-07 Relative Density of Gas Mixtures by Calculation From Composition
  • ASTM UOP948-96 Relative Density of Gas Mixtures by Calculation From Composition

German Institute for Standardization

  • DIN 51870:1981 Testing of gaseaus fuels and other gases; determination of relative density according to the balance method and calculation of density
  • 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

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.)

YU-JUS

  • JUS H.F8.304-1988 Hatural gas. Calculation of calorific valne, dtmsitjr and relative density

International Organization for Standardization (ISO)

  • ISO 6976:1983 Natural gas; Calculation of calorific value, density and relative density

SCC

Universal Oil Products Company (UOP)

  • UOP 948-2007 RELATIVE DENSITY OF GAS MIXTURES BY CALCULATION FROM COMPOSITION

National Aeronautics and Space Administration (NASA)

  • NASA NACA-TN-1370-1947 Correlation of experimental and calculated effects of product of inertia on lateral stability