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branch ratio

branch ratio, Total:304 items.

In the international standard classification, branch ratio involves: Optics and optical measurements, Analytical chemistry, Water quality, Machine tool systems, Quality, Waxes, bituminous materials and other petroleum products, Soil quality. Pedology, Machine tools, Quantities and units, Materials for aerospace construction, Metrology and measurement in general, General methods of tests and analysis for food products, Natural gas, Fruits. Vegetables, Spices and condiments. Food additives, Beverages, Protection against fire, Measurement of volume, mass, density, viscosity, Acoustics and acoustic measurements, Milk and milk products, Geology. Meteorology. Hydrology, Equipment for the chemical industry, Linear and angular measurements, Industrial automation systems, Products of the chemical industry, Fuels, Electricity. Magnetism. Electrical and magnetic measurements, Testing of metals, Mining and quarrying, Fasteners, Nuclear energy engineering, Insulating fluids, Textile fibres, Integrated circuits. Microelectronics, Photography, Edible oils and fats. Oilseeds, Paint ingredients, Radiation measurements, Plastics, Equipment for petroleum and natural gas industries, Thermodynamics and temperature measurements, Tobacco, tobacco products and related equipment, Products of the textile industry, Vibration and shock with respect to human beings, Agricultural machines, implements and equipment, Farming and forestry, Petroleum products in general, Company organization and management, Energy and heat transfer engineering in general, Refractories, Electrical engineering in general, Power transmission and distribution networks, Structures of buildings, Organic chemicals, Construction materials, Semiconductor devices, Air quality, Pipeline components and pipelines, Applications of information technology, Switchgear and controlgear, Construction of airports, Radiocommunications, Compressors and pneumatic machines, Interface and interconnection equipment, Test conditions and procedures in general, Fluid storage devices.


British Standards Institution (BSI), branch ratio

  • BS EN ISO 11664-3:2013 Colorimetry. CIE tristimulus values
  • BS ISO 11664-3:2012 Colorimetry. CIE tristimulus values
  • BS EN ISO/CIE 11664-3:2019 Tracked Changes. Colorimetry. CIE tristimulus values
  • BS ISO 11843-4:2003 Capability of detection - Methodology for comparing the minimum detectable value with a given value
  • BS 2586:1979 Specification for glass and reference electrodes for the measurement of pH
  • 13/30276628 DC BS EN 62704-3. Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Body from Wireless Communications Devices, 30 MHz - 6 GHz. Part 3. Specific Requirements for using the Finite-Difference Time-Domain (FDTD) Method for SAR C...
  • DD ENV 12142-1997 Method for determination of stable hydrogen isotope ratio (H/H) of water from fruit juices, using isotope ratio mass spectrometry
  • DD ENV 12140-1997 Method for determination of stable carbon isotope ratio (C/C) of sugars from fruit juices, using isotope ratio mass spectrometry
  • DD ENV 12141-1997 Method for determination of stable oxygen isotope ratio (O/O) of water from fruit juices, using isotope ratio mass spectrometry
  • BS ISO 20921:2019 Textiles. Determination of stable nitrogen isotope ratio in cotton fibres
  • BS DD ENV 13070:1998 Fruit and vegetable juices - Determination of the stable carbon isotope ratio (13C/12C) in the pulp of fruit juices - Method using isotope ratio mass spectrometry
  • BS 6248-4:1982 Caseins and caseinates - Method for determination of pH (reference method)
  • 13/30276624 DC BS EN 62704-1. Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Body from Wireless Communications Devices, 30 MHz - 6 GHz. Part 1. General Requirements for using the Finite Difference Time Domain...
  • BS ISO 10617:2010 Textiles. Standard data format for colorimetric communication. Textiles and related measurements
  • BS 2846-6:1976 Guide to statistical interpretation of data. Comparison of two means in the case of paired observations
  • 18/30347288 DC BS EN IEC/IEEE 62704-4. Recommended practice for determining the Peak Spatial Average Specific Absorption Rate (SAR) in the human body from wireless communications devices, 30 MHz - 6 GHz. Part 4. General requirements for using the Finite-Element Metho...
  • BS PD ISO/TS 19700:2016 Controlled equivalence ratio method for the determination of hazardous components of fire effluents. Steady-state tube furnace
  • BS 7393:1990 Method for determination of total acid number in petroleum products by semi-micro colour indicator titration
  • BS ISO 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
  • BS ISO 25761:2014 Plastics. Polyols for use in the production of polyurethanes. Determination of basicity (total amine value), expressed as percent nitrogen
  • BS EN 689:1996 Workplace atmospheres - Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy

VN-TCVN, branch ratio

German Institute for Standardization, branch ratio

  • DIN 19264:1985 pH measurement; reference electrodes
  • DIN 803:1977 Machine Tools; Feeds for Machine Tools; Nominal Values, Limiting Values, Transmission Ratios
  • DIN 803:1977-03 Machine Tools; Feeds for Machine Tools; Nominal Values, Limiting Values, Transmission Ratios
  • DIN 804:1977 Machine Tools; On-load Speeds for Machine Tools; Nominal Values, Limiting Values, Transmission Ratios
  • DIN EN ISO/CIE 11664-3:2020-03 Colorimetry - Part 3: CIE tristimulus values (ISO/CIE 11664-3:2019); German version EN ISO/CIE 11664-3:2019
  • DIN 804:1977-03 Machine Tools; On-load Speeds for Machine Tools; Nominal Values, Limiting Values, Transmission Ratios
  • DIN EN ISO 11689:1997 Acoustics - Procedure for the comparison of noise emission-data for machinery and equipment (ISO 11689:1996); German version EN ISO 11689:1996
  • DIN 10456:1989 Determination of pH of caseins and caseinates; reference method
  • DIN ISO 11843-4:2006 Capability of detection - Part 4: Methodology for comparing the minimum detectable value with a given value (ISO 11843-4:2003; text in German, English)
  • DIN EN ISO/CIE 11664-3:2020 Colorimetry - Part 3: CIE tristimulus values (ISO/CIE 11664-3:2019)
  • DIN 7975:2016 Tapping screw connections - Guideline values for core hole diameters and use
  • DIN 7975:1989 Tapping screw connections; guideline values for core hole diameters and use
  • DIN 55987:1981 Testing of pigments; determination of hiding power value of pigmented media; colorimetric method
  • DIN EN ISO 11664-3:2013 Colorimetry - Part 3: CIE tristimulus values (ISO 11664-3:2012); German version EN ISO 11664-3:2013
  • DIN EN 993-12:1997 Methods of test for dense shaped refractory products - Part 12: Determination of pyrometric cone equivalent (refractoriness); German version EN 993-12:1997
  • DIN 1055-2:1976 Design Loads for Buildings; Soil Characteristics; Specific Weight, Angle of Friction, Cohesion, Angle of Wall Friction
  • DIN EN 1557:1997-03 Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission; German version EN 1557:1996

Association Francaise de Normalisation, branch ratio

  • NF X06-069:1990 Application de la statistique - Comparaison d'une proportion à une valeur donnée
  • NF T90-006:1950 TESTING WATER. COLORIMETRIC MEASUREMENT OF PH.
  • NF T36-007-3:2013 Colorimetry - Part 3: CIE tristimulus values
  • NF X06-057:1987 Applications de la statistique - Comparaison d'une moyenne à une valeur donnée - (variance inconnue).
  • NF X06-053:1987 Applications de la statistique - Comparaison d'une moyenne à une valeur donnée (variance connue)
  • NF T36-007-3*NF EN ISO/CIE 11664-3:2019 Colorimetry - Part 3 : CIE tristimulus values
  • NF X06-055:1987 Applications de la statistique - Comparaison de la différence de deux moyennes à une valeur donnée - (variances connues).
  • NF X06-063:1987 Applications de la statistique - Comparaison du rapport de deux variances - (deux écarts-types) à une valeur donnée.
  • NF X06-048-4*NF ISO 11843-4:2004 Capability of detection - Part 4 : methodology for comparing the minimum detectable value with a given value.
  • NF X06-059:1987 Applications de la statistique - Comparaison de la différence de deux moyennes à une valeur donnée - (variances inconnues, mais égales).
  • NF X06-061:1987 Applications de la statistique - Comparaison d'une variance (d'un écart-type) à une valeur donnée
  • NF M60-466:2009 Nuclear fuel technology - Determination of the O/M ratio in MOX pellets - Gravimetric method.
  • NF A03-658:2001 Iron and steel - Methode of determination of the plastic strain ration r of steel sheet and plate.
  • NF G08-006*NF ISO 10617:2010 Textiles - Standard data format for colorimetric communication - Textiles and related measurements
  • NF T47-251*NF EN ISO 7751:2017 Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to maximum working pressure
  • NF U44-172:2013 Growing media - Determination of conductivity, resistivity and pH - Routine method with 1/1,5 extraction ratio for samples at retention
  • NF X43-279:1995 Workplace atmospheres. Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy.
  • NF T73-421*NF EN 1557:1996 Surface active agents. Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission.
  • NF T47-251-1:1997 Rubber and plastics hoses and hose assemblies. Ratios of proof and burst pressure to design working pressure.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, branch ratio

  • GB/T 27757-2011 Reference electrodes for the measurement of pH value
  • GB/T 42490-2023 Soil quality Determination of organic carbon content and carbon isotope ratio, total nitrogen content and nitrogen isotope ratio in soil and biological samples Stable isotope ratio mass spectrometry
  • GB/T 13072-1991 Method for measuring the activity ratios of Ra226 to Ra228 in geological water samples
  • GB/T 3361-1982 Statistical interpretation of data--Comparison of two means in the case of paired observations
  • GB/T 14063-1993 DDZ-III series process electronic control system. Ratio setter
  • GB/T 5027-1999 Metallic materials-Sheet and strip--Determination of plastic strain ratio(r-values)
  • GB/T 41633.2-2022 Insulating liquids—Determination of acidity—Part 2: Colourimetric titration
  • GB/T 13071-1991 Method of determing the radioactive ratio of U234/U238, TH230/TH232 in geological water samples
  • GB/T 5027-2007 Determination of Plastic Strain Ratio (r-value) of Sheets and Strips of Metallic Materials
  • GB/T 5027-2016 Determination of plastic strain ratio (r-value) of sheet and strip of metallic materials
  • GB/T 13072-2010 Geological water samples.Determination of radioactive ratios Ra/Ra.Emanation-β counting techniques
  • GB/T 4921-1985 Waste gas from manufacturing process--Determination of chemical oxygen demand and nitrogen oxide--Potassium dichromate oxidation and naphthylethylene diamine colorimetric method
  • GB/T 42488-2023 Soil Quality Determination of Inorganic Nitrogen 15N Abundance in Soil Stable Isotope Ratio Mass Spectrometry
  • GB/T 6324.6-2014 Test method of organic chemical products.Part 6:Determination of color for liquids.Tristimulus colorimetry

AENOR, branch ratio

  • UNE 66050:1978 COMPARISON OF THE MEAN OF A LOT WITH A GIVEN VALUE (VARIANCE UNKNOWN)
  • UNE 66046:1978 COMPARISON OF THE MEAN OF A LOT WITH A GIVEN VALUE (KNOW VARIANCE)
  • UNE 66048:1978 COMPARISON OF THE MEANS OF TWO LOTS (KNOW VARIANCES)
  • UNE 66054:1978 COMPARISON OF THE VARIANCE OR OF THE STANDARD DEVIATION OF A LOT WITH A GIVEN VALUE
  • UNE-EN ISO 11664-3:2013 Colorimetry - Part 3: CIE tristimulus values (ISO 11664-3:2012)
  • UNE 66052:1978 COMPARISON OF THE MEANS OF TWO LOTS (VARIANCES UNKNOWN, BUT MAY BE ASSUMED EQUAL)
  • UNE 43312:1982 GLASS HYDROMETERS. CONVENTIONAL VALUE FOR THE THERMAL CUBIC-EXPANSION COEFFICIENT (FOR USE IN THE PREPARATION OF MEASUREMENT TABLES FOR LIQUIDS)
  • UNE-EN 1557:1997 SURFACE ACTIVE AGENTS. COLORIMETRIC CHARACTERIZATION OF OPTICALLY CLEAR COLOURED LIQUIDS (PRODUCTS) AS X, Y, Z TRISTIMULUS VALUES IN TRANSMISSION.
  • UNE-EN 689:1996 WORKPLACE ATMOSPHERES. GUIDANCE FOR THE ASSESSMENT OF EXPOSURE BY INHALATION TO CHEMICAL AGENTS FOR COMPARISON WITH LIMIT VALUES AND MEASUREMENT STRATEGY.

SE-SIS, branch ratio

International Organization for Standardization (ISO), branch ratio

  • ISO 11664-3:2012 Colorimetry - Part 3: CIE tristimulus values
  • ISO/CIE 11664-3:2019 Colorimetry — Part 3: CIE tristimulus values
  • ISO/CIE 11664-3:2019 | EN ISO/CIE 11664-3:2019 Colorimetry — Part 3: CIE tristimulus values
  • ISO 3301:1975 Statistical interpretation of data; Comparison of two means in the case of paired observations
  • ISO 11843-4:2003 Capability of detection - Part 4: Methodology for comparing the minimum detectable value with a given value
  • ISO 7181:1982 Hydraulic fluid power; Cylinders; Bore and rod area ratios
  • ISO/TS 19700:2007 Controlled equivalence ratio method for the determination of hazardous components of fire effluents
  • ISO 11483:1994 Preparation of plutonium sources and determination of <(hoch)238>Pu/<(hoch)239>Pu isotope ratio by alpha spectrometry
  • ISO 1157:1975 Plastics — Cellulose acetate in dilute solution — Determination of viscosity number and viscosity ratio
  • ISO 1157:1990 Plastics; cellulose acetate in dilute solution; determination of viscosity number and viscosity ratio
  • ISO/TR 22521:2005 Portable hand-held forestry machines - Vibration emission values at the handles - Comparative data in 2002
  • ISO/TS 19700:2016 Controlled equivalence ratio method for the determination of hazardous components of fire effluents - Steady-state tube furnace
  • ISO 11483:2005 Nuclear fuel technology - Preparation of plutonium sources and determination of <(hoch)238>Pu/<(hoch)239>Pu isotope ratio by alpha spectrometry
  • ISO 25761:2008 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
  • ISO 25761:2014 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
  • ISO 7751:1983 Rubber and plastics hoses and hose assemblies — Ratios of proof and burst pressure to design working pressure
  • ISO 7751:1991 Rubber and plastics hoses and hose assemblies; ratios of proof and burst pressure to design working pressure
  • ISO 7751:2016 Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to maximum working pressure
  • ISO/TR 13086-1:2011 Gas cylinders - Guidance for design of composite cylinders - Part 1: Stress rupture of fibres and burst ratios related to test pressure

European Committee for Standardization (CEN), branch ratio

  • EN ISO 11664-3:2013 Colorimetry - Part 3: CIE tristimulus values
  • DD ENV 12 140-1996 Fruit and Vegetable Juices - Determination of the Stable Carbon Isotope Ratio (13C/12C) of Sugars from Fruits Juices - Method Using Isotope Ratio Mass Spectrometry
  • EN ISO/CIE 11664-3:2019 Colorimetry - Part 3: CIE tristimulus values (ISO/CIE 11664-3:2019)
  • EN ISO 1157:1999 Plastics - Cellulose Acetate in Dilute Solution - Determination of Viscosity Number and Viscosity Ratio ISO 1157: 1990
  • EN 993-12:1997 Methods of test for dense shaped refractory products - Part 12: Determination of pyrometric cone equivalent (refractoriness)
  • EN 14651:2005 Test method for metallic fibre concrete - Measuring the flexural tensile strength (limit of proportionality (LOP), residual) Incorporates Amendment A1: 2007
  • EN ISO 7751:2016 Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to maximum working pressure (ISO 7751:2016)
  • prEN 689-1992 Workplace atmospheres; guidance for the assessment of exposure to chemical agents for comparison with limit values and measurement strategy
  • EN 689:1995 Workplace atmospheres - Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy
  • EN 689:2018 Workplace exposure - Measurement of exposure by inhalation to chemical agents - Strategy for testing compliance with occupational exposure limit values
  • EN ISO 7751:1997 Rubber and Plastics Hoses and Hose Assemblies - Ratios of Proof and Burst Pressure to Design Working Pressure ISO 7751: 1991
  • EN ISO 13833:2013 Stationary source emissions - Determination of the ratio of biomass (biogenic) and fossil-derived carbon dioxide - Radiocarbon sampling and determination

International Commission on Illumination (CIE), branch ratio

American Society for Testing and Materials (ASTM), branch ratio

  • ASTM D7389-07(2019) Standard Test Method for Acid Number (Empirical) of Maleic Anhydride (MAH) Grafted Waxes
  • ASTM UOP587-92 Acid Number and Naphthenic Acids by Colorimetric Titration
  • ASTM D3588-98 Standard Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels
  • ASTM D3588-98(2003) Standard Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels
  • ASTM D3588-98(2017) Standard Practice for Calculating Heat Value, Compressibility Factor, and Relative Density of Gaseous Fuels
  • ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
  • ASTM D6276-99a(2006) Standard Test Method for Using pH to Estimate the Soil-Lime Proportion Requirement for Soil Stabilization
  • ASTM D6276-99a Standard Test Method for Using pH to Estimate the Soil-Lime Proportion Requirement for Soil Stabilization
  • ASTM D6276-99a(2006)e1 Standard Test Method for Using pH to Estimate the Soil-Lime Proportion Requirement for Soil Stabilization
  • ASTM D6276-19 Standard Test Method for Using pH to Estimate the Soil-Lime Proportion Requirement for Soil Stabilization
  • ASTM C1777-14 Standard Test Method for Rapid Determination of the Methylene Blue Value for Fine Aggregate or Mineral Filler Using a Colorimeter
  • ASTM C1777-15 Standard Test Method for Rapid Determination of the Methylene Blue Value for Fine Aggregate or Mineral Filler Using a Colorimeter
  • ASTM C1777-20 Standard Test Method for Rapid Determination of the Methylene Blue Value for Fine Aggregate or Mineral Filler Using a Colorimeter
  • ASTM D2885-10 Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM E2666-09(2014) Standard Practice for Correlations of Mu Values of Continuous Friction Measurement Equipment to Determine Maintenance Levels for Use at Airports
  • ASTM D2885-03 Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM D2885-13 Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM E2334-03e1 Standard Practice for Setting an Upper Confidence Bound For a Fraction or Number of Non-Conforming items, or a Rate of Occurrence for Non-conformities, Using Attribute Data, When There is a Zero Response in the Sample
  • ASTM E2334-03 Standard Practice for Setting an Upper Confidence Bound For a Fraction or Number of Non-Conforming items, or a Rate of Occurrence for Non-conformities, Using Attribute Data, When There is a Zero Response in the Sample
  • ASTM D2885-19a Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM D2885-19 Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM D2885-19b Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM D2885-10a Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM D2885-20 Standard Test Method for Determination of Octane Number of Spark-Ignition Engine Fuels by On-Line Direct Comparison Technique
  • ASTM D6624-19 Standard Practice for Determining a Flow-Proportioned Average Property Value (FPAPV) for a Collected Batch of Process Stream Material Using Stream Analyzer Data
  • ASTM D6624-20 Standard Practice for Determining a Flow-Proportioned Average Property Value (FPAPV) for a Collected Batch of Process Stream Material Using Stream Analyzer Data

Taiwan Provincial Standard of the People's Republic of China, branch ratio

  • CNS 4035-1976 Feeding of Machine Tool
  • CNS 12485-1989 Guide to the Choice of Series of Preferred Numbers and of Series Containing Morerounded Values of Preferred Numbers
  • CNS 4036-1983 R. P. M. of Machine Tool
  • CNS 617-1998 Method for determination of pyrometric cone equivalent (retractoriness) of refractory products
  • CNS 7913-1981 Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines,Amidoamines, and Diamines by referee PotentiometricMethod

Danish Standards Foundation, branch ratio

  • DS/EN ISO 11664-3:2013 Colorimetry - Part 3: CIE tristimulus values
  • DS/ISO 11843-4:2004 Capability of detection - Part 4: Methodology for comparing the minimum detectable value with a given value
  • DS/ISO 7181:1989 Hydraulic fluid power. Cylinders. Bore and rod area ratios
  • DS/EN 689:1996 Workplace atmospheres - Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy
  • DS/EN ISO 7751:1997 Rubber and plastics hoses and hose assemblies - Ratios of proof and burst pressure to design working pressure
  • DS/EN 1557:1997 Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission

ES-UNE, branch ratio

Military Standards (MIL-STD), branch ratio

  • DOD A-A-50817 A-1988 COMPARATOR SET, COLOR CHLORINE-BROMINE AND PH DETERMINATION
  • DOD A-A-53140 A-1988 COMPARATOR SET, COLOR (FREE RESIDUAL CHLORINE AND PH DETERMINATION) [Use In Lieu Of: DOD A-A-0053140]

Professional Standard - Machinery, branch ratio

International Telecommunication Union (ITU), branch ratio

  • ITU-R BT.815-1 SPANISH-1994 Specification of a signal for measurement of the contrast ratio of displays
  • ITU-R BT.815-1 FRENCH-1994 Specification of a signal for measurement of the contrast ratio of displays
  • ITU-T D.5 FRENCH-1993 COSTS AND VALUE OF SERVICES RENDERED AS FACTORS IN THE FIXING OF RATES
  • ITU-T D.5 SPANISH-1993 COSTS AND VALUE OF SERVICES RENDERED AS FACTORS IN THE FIXING OF RATES
  • ITU-R 568-1978 (WITHDRAWN) Single Value of the Signal-to-Noise Ratio for All Television Systems - Section CMTT A - Television Transmission Standards and Performance Objectives
  • ITU-T J.62-1989 Single Value of the Signal-to-Noise Ratio for All Television Systems - Line Transmission of Non-Telephone Signals - Transmission of Sound-Programme and Television Signals (Study Group XV) 1 pp

Japanese Industrial Standards Committee (JISC), branch ratio

  • JIS Z 8781-3:2016 Colorimetry -- Part 3: CIE tristimulus values
  • JIS Z 8403:1996 Quality characteristics of products -- General rules for determination of specific values
  • JIS Z 8462-4:2006 Capability of detection -- Part 4: Methodology for comparing the minimum detectable value with a given value
  • JIS H 7503:2003 Method for measurement of cavity volume fraction of superplastically deformed metallic materials

API - American Petroleum Institute, branch ratio

  • API PUBL 332-1995 Comparison of Screening Values from Selected Hydrocarbon Screening Instruments
  • API PUBL 4400-1984 Numerical Modeling of Ozone Population Exposure: Application to a Comparison of Alternative Ozone Standards (Withdrawn)

国家能源局, branch ratio

Korean Agency for Technology and Standards (KATS), branch ratio

  • KS Q ISO 3301:2006 Statistical interpretation of data－Comparison of two means in the case of paired observations
  • KS Q ISO 11843-4-2009(2019) Capability of detection－Part 4：Methodology for comparing the minimum detectable value with a given value
  • KS Q ISO 11843-4:2009 Capability of detection－Part 4：Methodology for comparing the minimum detectable value with a given value
  • KS B 5409-2013 Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
  • KS B 5409-1998 Photographic lenses-Methods for the measurement of the effective aperture, F-number and relative aperture
  • KS B 5409-1982 Photographic lenses ? Methods for the measurement of the effective aperture, F-number and relative aperture
  • KS M ISO 91-2:2008 Petroleum meaurement tables-Part 2: Tables based on a reference temperature of 20℃
  • KS Q ISO 3301-2006(2016) Statistical interpretation of data－Comparison of two means in the case of paired observations
  • KS Q ISO 3301-2006(2021) Statistical interpretation of data－Comparison of two means in the case of paired observations
  • KS C 2375-2006 Analytical method of polychlorinated biphenyls(PCBs)by gas chromatography peak pattern comparison
  • KS M ISO 91-1:2008 Petroleum measurement tables-Part 1: Tables based on a reference temperature of 15℃ and 60℉
  • KS B ISO 1768-2007(2022) Glass hydrometers－Conventional value for the thermal cubic expansion coefficient(for use in the preparation of measurement tables for liquids)
  • KS B ISO 1768-2007(2017) Glass hydrometers－Conventional value for the thermal cubic expansion coefficient(for use in the preparation of measurement tables for liquids)
  • KS X ISO/IEEE 11073-10418:2016 Health informatics — Personal health device communication — Part 10418: Device specialization: International Normalized Ratio(INR) monitor

RU-GOST R, branch ratio

  • GOST ISO 11843-4-2005 Statistical methods. Capability of detection. Methodology for comparing the minimum detectable value with a given value
  • GOST 10062-1975 Natural combustible gases. Method for determination of specific heat of combustion
  • GOST 8.428-1981 State system for ensuring the uniformity of measurements. Areometers. The values of coefficients of surface tension of liquids
  • GOST 26423-1985 Soils. Methods for determination of specific electric conductivity, pH and solid residue of water extract
  • GOST 33479-2015 Fruit and vegetable products. Determination of color values by colorimetric method
  • GOST R 50779.23-2005 Statistical methods. Statistical interpretation of data. Comparison of two means in the case of paired observations
  • GOST 28947-1991 Glass Hydrometers. Conventional value for tne thermal cubic expasion coefficient (for use in tne preparation of measurement table for liquids)
  • GOST R 57183-2016 Timber structures. Test methods for determination of embedment strength and ratio foundation stiffness values for dowel type fasteners
  • GOST 14618.9-1978 Essential oils, aromatics and their intermediates. Method for determination of angle of optical rotation and specific rotation value of polarization flat

ESDU - Engineering Sciences Data Unit, branch ratio

  • AERO 00.01.08 A-1982 Specific heat capacities and their ratio as functions of temperature for several common gases.
  • ESDU 79004 A-1992 Forebodies of fineness ratio 1.0@ 1.5 and 2.0@ having low values of wave drag coefficient at transonic speeds.

海关总署, branch ratio

  • SN/T 4675.31-2019 Determination of glycerol carbon stable isotope ratio in exported wines by liquid chromatography-stable isotope ratio mass spectrometry
  • SN/T 4675.32-2021 Method for determination of nitrogen stable isotope ratios in exported wines

RO-ASRO, branch ratio

YU-JUS, branch ratio

  • JUS H.B8.279-1983 Formaldehyde solutions for industrial use. Limit test for inorganic chlorides (as Cl). Turbidimetric method
  • JUS H.B8.280-1983 Formaldehyde solutions for industrial u se. Limit test for inorganic sulphates (as SO4). Turbidimetric method
  • JUS G.C6.008-1991 Rubber and plastics hoses and hose assemblies . Rations of proof and burst pressure to design working pressure

Professional Standard - Light Industry, branch ratio

  • QB/T 4852-2015 Determination of the carbon isotope ratio (<上标13>C/<上标12>C) of CO<下标2> in sparkling wines.Method using isotope ratio mass spectrometry
  • QB/T 4854-2015 Determination of the carbon isotope ratio (<上标13>C/<上标12>C) of total sugar and pulp in orange juice.Method using isotope ratio mass spectrometry
  • QB/T 4853-2015 Determination of the oxygen isotope ratio (<上标18>O/<上标16>O) of water in wines.Method using isotopic equilibrium exchange reaction
  • QB/T 4855-2015 Determination of the oxygen isotope ratio (<上标18>O/<上标16>O) of water in fruit juices.Method using isotopic equilibrium exchange reaction

CZ-CSN, branch ratio

  • CSN ISO 3301:1993 Statistical interpretation of data. Comparison of two means in the case of paired observations
  • CSN 68 7340-1965 universální indicator with comparison colour scale pH 0 up to 12
  • CSN 35 8757 Cast.6-1985 Measuring method of static value of the common-emitter forward ourrent transfer ratio
  • CSN 35 8757 Cast.7-1985 Transistors. Measuring method of absolute value of forward current transfer ratio and transition frequency
  • CSN 35 8746-1973 Semiconductor devices. Transistore. Measurement of absolute value of forward current transfer ratio and frequencies fT, fh21b, fh21e

国家市场监督管理总局、中国国家标准化管理委员会, branch ratio

  • GB/T 33260.4-2018 Capability of detection—Part 4: Methodology for comparing the minimum detectable value with a given value

工业和信息化部, branch ratio

  • QB/T 5163-2017 Determination method of stable carbon isotope ratio (13C/12C) of acetic acid in vinegar Gas chromatography-combustion-stable isotope ratio mass spectrometry
  • QB/T 5299-2018 Method for determination of glycerol stable carbon isotope ratio (13C/12C) in wine liquid chromatography coupled with stable isotope ratio mass spectrometry
  • QB/T 5164-2017 Determination method of stable carbon isotope ratio (13C/12C) of ethanol in liquor: gas chromatography-combustion-stable isotope ratio mass spectrometry
  • HG/T 5642-2019 Ultraviolet method H2S and SO2 ratio analyzer for sulfur recovery unit

National Metrological Technical Specifications of the People's Republic of China, branch ratio

  • JJF 1361-1990 Technical specification for reference operation of power frequency current proportional value

ZA-SANS, branch ratio

  • SANS 11843-4:2009 Capability of detection Part 4: Methodology for comparing the minimum detectable value with a given value

CU-NC, branch ratio

  • NC 43-32-1987 Natural and Artificial Wood Industry. Natural Wood. Determination of Proportional Limit to Compression Perpendicular to Grain. Testing Method
  • NC 15-76-1987 Thermotechnics. Heat Rate Values per Time Unit due to Food Products Respiration

Professional Standard - Agriculture, branch ratio

  • GB 3361-1982 Statistical Treatment and Interpretation of Data Comparison of Two Means in the Case of Paired Observations
  • SN/T 5035-2018 Determination of carbon stable isotope ratio of ethanol in alcoholic beverages for export Gas chromatography-stable isotope ratio mass spectrometry
  • BJS 202302:2023 Identification method of glacial acetic acid and counterfeit vinegar Gas chromatography-stable isotope ratio mass spectrometry

Group Standards of the People's Republic of China, branch ratio

  • T/ZHCA 017-2022 Method for assessment on the anagen/telogen ratio
  • T/NAIA 0208-2023 Determination of Stable Isotope Ratio of Carbon and Nitrogen in Lycium Barbarum by Stable Isotope Analyzer Method
  • T/CSEE 0032-2017 Relative dielectric loss factor and capacitance ratio live test method of capacitive equipment
  • T/CNFIA 142-2022 Determination method of stable carbon isotope ratio (13C/12C) of ascorbic acid in vitamin C products

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

  • ASHRAE LO-09-019-2009 Comparisons of Numerical Predictions and Filed Tests in a Road Tunnel
  • ASHRAE NY-08-025-2008 Comparing Residential Furnace Blowers for Rating and Installed Performance
  • ASHRAE DA-00-3-4-2000 Church Heating: Numerical Modeling and Comparison between Radiant and Forced Convection Systems
  • ASHRAE 4676-2004 Comparsion of Diffusion Characteristics of Aersol Particles in Different Ventilated Rooms by Numercial Method
  • ASHRAE LO-09-065-2009 Experimental Measurements of a Run-Around Membrane Energy Exchanger (RAMEE) with Comparison to a Numerical Model
  • ASHRAE 4296-1999 Frost Characteristics and Heat Transfer on a Flat Plate under Freezer Operating Conditions: Part II@ Numerical Modeling and Comparison with Data
  • ASHRAE 3705-1993 Comparative Study of Room Airflow: Numerical Prediction Using Computational Fluid Dynamics and Full- Scale Experimental Measurements
  • ASHRAE LO-09-043-2009 A Comparative Study of the Effect of Initial Turbulence on the Performance of an Open Vertical Refrigerated Multi-Deck—A Numerical Study and its Experimental Validation

ITU-T - International Telecommunication Union/ITU Telcommunication Sector, branch ratio

  • ITU-T J.62-1978 SINGLE VALUE OF THE SIGNAL-TO-NOISE RATIO FOR ALL TELEVISION SYSTEMS (Study Group CMTT)

PL-PKN, branch ratio

  • PN M73208-1987 Hydraulic fluid power Cylinders φ values for piston working area ratios
  • PN B13047-1992 Glass hydrometers. Conventional value for the thermal cubic expansion coefficient (for use in the preparation of measurement tables for liguids)

Natural Gas Processor's Association (NGPA), branch ratio

  • GPA RR-120-1989 Water Content Values of a CO2 - 5.31 Mol Percent Methane Mixture

Jilin Provincial Standard of the People's Republic of China, branch ratio

  • DB22/T 2590-2016 Determination of plastic strain ratio (r value) of aluminum alloy sheet for automobile

Professional Standard - Geology, branch ratio

  • DZ/T 0184.6-1997 Determination of Sm-Nd Isotope Geological Age and Neodymium Isotope Ratio
  • DZ/T 0184.8-1997 Determination of 40Ar-39Ar Isotope Geological Age and Argon Isotope Ratio
  • DZ/T 0184.10-1997 Determination of uranium-series disequilibrium geological age and uranium-thorium isotope ratio
  • DZ/T 0184.4-1997 Rubidium strontium isotope geological age and strontium isotope ratio determination of rocks and minerals

Professional Standard - Nuclear Industry, branch ratio

  • EJ/T 842-1994 Zinc Isotope Ratio and Zinc Content Measurement Double Dilution Mass Spectrometry

Defense Logistics Agency, branch ratio

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, branch ratio

  • GB/T 35252-2017 Animal and vegetable fats and oils―Determination of 2-thiobarbituric acid value―Direct method

TR-TSE, branch ratio

  • TS 2632-1977 STATISTICAL INTER PRETATION OF DATA COMPARISON OF TWO MEANS ?N THE CASE OF PAIRED OSERVATIONS

ITU-R - International Telecommunication Union/ITU Radiocommunication Sector, branch ratio

  • REPORT BT.2215-2011 Measurements of protection ratios and overload thresholds for broadcast TV receivers

国家质量监督检验检疫总局, branch ratio

  • SN/T 4675.3-2016 Determination of stable carbon isotope ratios of ethanol in exported wines
  • SN/T 4940-2017 Imported Mixed Aromatics Research Method Determination of Octane Number Compression Ratio Method
  • SN/T 4892-2017 Determination of estradiol, testosterone and progesterone residues and stable carbon isotope ratios in exported animal-derived foods

Professional Standard - Commodity Inspection, branch ratio

  • SN/T 3846-2014 Determination of the carbon isotope ratio in apple and apple juice concentrate for export
  • SN 0045-1992 Method for inspection of PONA of naphtha for exportMethod for test of density and specific gracityof liquids with lipkin bicapillary pycnometer
  • SN/T 0041.5-2015 Method for inspection of PONA of naphtha for export.Part 5:Determination of density and specific gravity of liquids by lipkin bicapillary pycnometer
  • SN 0046-1992 Method for inspection of PONA of naphtha for exportMethod for test of naphthenes in saturatesfractions with refractivity intercept
  • SN/T 0041.4-2011 Test method for PONA value of export naphtha Part 4: Determination of naphthenes in saturated hydrocarbon fraction by specific refractometric method

GOSTR, branch ratio

  • GOST 22667-1982 Combustible natural gases. Calculation method for determination of calorific value, specific gravity and Wobbe index
  • GOST 34367.2-2017 Polymer composites. Acquisition and presentation of comparable numerical property data for long-fibre-reinforced composites

Professional Standard - Electron, branch ratio

  • SJ 50597/29-1994 Semiconductor integrated circuits.Detail specification for type JC4585 of CMOS 4-Bit magnitude comparator
  • SJ 50597.1-1994 Detail specification for type JT54LS85 LS-TTL 4bit magnitude comparator of semiconductor integrated circuit

BE-NBN, branch ratio

IT-UNI, branch ratio

Association of German Mechanical Engineers, branch ratio

  • VDI/VDE 3522 Blatt 2-2014 Dynamic behaviour of contact thermometers - Experimental determination of time percentage values
  • VDI 2045 Blatt 1-1993 Acceptance and performance tests on turbo compressors and displacement compressors; test procedure and comparison with guaranteed values

ATIS - Alliance for Telecommunications Industry Solutions, branch ratio

  • T1.TR.74-2001 Objective Video Quality Measurement Using a Peak- Signal-to-Noise-Ratio (PSNR) Full Reference Technique

国家烟草专卖局, branch ratio

  • YC/T 560-2018 Determination of hydrogen stable isotope ratio of nicotine, a characteristic component of tobacco, by gas chromatography-stable isotope ratio mass spectrometry

Professional Standard - China Metal Association, branch ratio

  • CSM 01 01 02 04-2006 Evaluation of Uncertainty of Measurement Results of Plastic Strain Ratio (r Value) of Metal Sheet and Strip
  • CSM 01010204-2006 Evaluation of Uncertainty of Measurement Results of Plastic Strain Ratio (r Value) of Metal Sheet and Strip
  • CSM 01　01　02　04-2006 Evaluation of Uncertainty of Measurement Results of Plastic Strain Ratio (r Value) of Metal Sheet and Strip

AT-ON, branch ratio

  • ONORM M 7140 Beib.5-1999 Economic comparison calculation of energy Systems based on the extended annuity- method - Guiding values for input-data

American National Standards Institute （ANSI), branch ratio

  • ANSI/GPA 2172-2007 Calculation of Gross Heating Value, Specific Gravity, and Compressibility of Natural Gas Mixtures from Compositional Analysis
  • ANSI/IEEE 11073-10418:2011 Health Informatics - Personal Health Device Communication - Device Specialization - International Normalized Ratio (INR) Monitor

National Aeronautics and Space Administration (NASA), branch ratio

  • NASA-TN-D-960-1961 Effects of changing stress amplitude on the rate of fatigue-crack propagation in two aluminum alloys

US-FCR, branch ratio

Professional Standard - Electricity, branch ratio

UNKNOWN, branch ratio

未注明发布机构, branch ratio

  • BS 6993-2:1990(2007) Thermal and radiometric properties of glazing — Part 2 : Method for direct measurement of U - value (thermal transmittance)
  • BS 2846-6:1976(1999) Guide to Statistical interpretation of data — Part 6 : Comparison of two means in the case of paired observations

NL-NEN, branch ratio

  • NEN 5661-1984 Rubber and plastics hoses and hose assemblies - Ratio of testing and bursting pressures to design pressures

中华人民共和国环境保护部, branch ratio

  • GB 4921-1985 Waste gas from manufacturing process-Determination of chemical oxygendemand and nitrogen oxide-Potassium dichromate oxidation and naphthylethylene diamine colorimetric method

AGMA - American Gear Manufacturers Association, branch ratio

  • 09FTM06-2009 Dependency of the Peak-to-Peak-Transmission-Error on the Type of Profile Correction and the Transverse Contact Ratio of the Gear Pair

国家卫生计生委, branch ratio

  • WS/T 549-2017 Analysis method of total uranium and uranium-235/uranium-238 ratio in urine by inductively coupled plasma mass spectrometry (ICP-MS)

Standard Association of Australia （SAA）, branch ratio

  • AS 1289.5.4.3:2006 Methods of testing soils for engineering purposes - Soil compaction and density tests - Compaction control test - Dry density ratio and moisture ratio using statistical selection of reference values

Lithuanian Standards Office , branch ratio

  • LST EN 689-2001 Workplace atmospheres - Guidance for the assessment of exposure by inhalation to chemical agents for comparison with limit values and measurement strategy
  • LST EN 1557-2002 Surface active agents - Colorimetric characterization of optically clear coloured liquids (products) as X, Y, Z tristimulus values in transmission

KR-KS, branch ratio

  • KS C IEC TR 61800-6-2008 Adjustable speed electrical power drive systems－Part 6：Guide for determination of types of load duty and corresponding current ratings

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

  • IEEE 11073-10418-2011 Health informatics—Personal health device communication Part 10418: Device specialization—International Normalized Ratio (INR) monitor

ASD-STAN - Aerospace and Defence Industries Association of Europe - Standardization, branch ratio

  • PREN 2718-2010 Aerospace series Aluminium and aluminium alloys Test method Measurment of circumferential residual stress in circular tubes with a ratio D/a ≥ 10 (Edition P2)

Institute of Electrical and Electronics Engineers (IEEE), branch ratio

  • IEEE P1528/D6, March 2013 IEEE Draft Recommended Practice for Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Head from Wireless Communications Devices: Measurement Techniques

Aerospace, Security and Defence Industries Association of Europe (ASD), branch ratio

  • ASD-STAN PREN 2718-2010 Aerospace series Aluminium and aluminium alloys Test method Measurment of circumferential residual stress in circular tubes with a ratio D/a = 10 Edition P2

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