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Database: 365,228(8 Aug 2026)

Definition of astigmatism

Definition of astigmatism, Total:130 items.

The international standard classification for "Definition of astigmatism" includes: Optical equipment , Products of the chemical industry in general , Pigments and extenders , Iron ores , Optics and optical measurements in general , Auxiliary materials and additives for plastics , Rubber , Optics and optical measurements , Paper and board .

The Chinese standard classification for "Definition of astigmatism" includes: Optical instrument in general , Basic standards and general methods for dye , Papermaking in general , Iron ore , Rubber products in general , Optical Measurement , Chemical Measurement .


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

  • GB/T 2394-2003 Disperse dyes-Determination of dyeing shade and relative strength
  • GB/T 2395-2003 Disperse dyes-Determination of printing shade and relative strength
  • GB/T 10988-2009 Veiling glare of optical systems—Methods of measurement
  • GB/T 2394-2013 Disperse dyestuff—Determination of shade and relative strength
  • GB/T 2394-2006 Disperse dyestuff - Determination of shade and relative strength
  • GB/T 2394-2024 Disperse dyestuffs—Determination of shade and relative strength
  • GB/T 10339-2007 Testing method of light scattering and absorption coefficient for paper board and pulps
  • GB/T 27594-2011 Disperse dyestuffs - Determination of relative strength of presscakes - Spectrophotometer method
  • GB/T 10339-1989 Testing method of light scattering and absorption coefficient for paper and pulps
  • GB/T 31010-2014 Spectral calibration in laboratory for dispersive hyperspectral sensor
  • GB/Z 42358-2023 Iron ores—Wavelength dispersive X-ray fluorescence spectrometers—Determination of precision

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

  • GB/T 34323-2017 Carbon black--Determination of light transmittance of water dispersion--Spectrophotometer method
  • GB/T 35807-2018 Rubber,vulcanized—Determination of thermal diffusivity—Flash method
  • GB/T 26332.1-2018 Optics and photonics—Optical coatings—Part 1:Definitions

Professional Standard - Agriculture

  • GB 10339-1989 Testing method of light scattering and absorptlon coefficlent for paper and pulps

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

  • JJG 228-1993 Verification Regulation of Static Low Angle Laser Light Scattering Spectrophotometer
  • JJG 939-1998 Verification Regulation of Non-disperse Atomic Fluoreacence Spectrometer
  • JJG 810-1993 Wavelength Dispersive X-Ray Fluorescence Spectrometers
  • JJG 681-1990 Verification Regulation of Dispersive Infrarea Spectrophotometers

Professional Standard - Chemical Industry

  • HG/T 6184~6186-2023 C.I. Disperse Red 277 (Disperse Fluorescent Red G), C.I. Disperse Yellow 184:1 (Disperse Fluorescent Yellow 10GN), and C.I. Disperse Yellow 82 (Dispersed Fluorescent Yellow 8GFF) (2023)

国家质量监督检验检疫总局

  • SN/T 4675.26-2016 Determination of turbidity of wine for export―Diffused radiation method

未注明发布机构

劳动部

  • LD 98-1996 Light scattering method for determination of dust concentration in air

Heilongjiang Provincial Standard of the People's Republic of China

  • DB23/T 2482-2019 Laser Scattering Method for Determination of Exhaust Gas Particles from Stationary Pollution Sources

International Organization for Standardization (ISO)

  • ISO 9358:1994 Optics and optical instruments - Veiling glare of image-forming systems - Definitions and methods of measurement
  • ISO 12864:1997 Ophthalmic optics - Contact lenses - Determination of scattered light
  • ISO 9334:2012 Optics and photonics - Optical transfer function - Definitions and mathematical relationships
  • ISO 9334:2007 Optics and photonics - Optical transfer function - Definitions and mathematical relationships
  • ISO 9334:1995 Optics and optical instruments - Optical transfer function - Definitions and mathematical relationships
  • ISO 2800:1973 Photography; Expendable photoflash lamps; Definition and evaluation of flashability

Korean Agency for Technology and Standards (KATS)

  • KS B ISO 9358:2006 Optics and optical instruments Veiling glare of image-forming systems - Definitions and methods of measurement

Association Francaise de Normalisation

American National Standards Institute (ANSI)

SCC

  • CEMA 550-2003(R2009) Classification and Definitions of Bulk Materials
  • CEMA 550-1970(R1997) Classification and Definitions of Bulk Materials
  • NS-EN ISO 12864:1997 Ophthalmic optics — Contact lenses — Determination of scattered light (ISO 12864:1997)
  • UNE-EN ISO 12864:1998 OPHTHALMIC OPTICS. CONTACT LENSES. DETERMINATION OF SCATTERED LIGHT. (ISO 12864:1997).
  • CIE 204:2013 Methods for Re-defining CIE D Illuminants
  • ITU-T G.972-2020 Definition of terms relevant to optical fibre submarine cable systems
  • BS ISO 9211-1:1994 Optics and optical instruments. Optical coatings-Definitions
  • BS 5913:1980 Method of measuring and defining the characteristics of anti-scatter grids used in X-ray equipment
  • JIS R 7240:2018 Determination of thermal diffusivity for heat dissipation graphite sheet by a laser spot periodic heating radiation thermometry method

HU-MSZT

German Institute for Standardization

  • DIN 51418-1:1996 X-ray spectrometry - X-ray emission- and X-ray fluorescence analysis (XRF) - Part 1: Definitions and basic principles
  • DIN EN ISO 12864:1998 Ophthalmic optics - Contact lenses - Determination of scattered light (ISO 12864:1997); German version EN ISO 12864:1997
  • DIN 51418-1:2008 X-ray spectrometry - X-ray emission- and X-ray fluorescence analysis (XRF) - Part 1: Definitions and basic principles
  • DIN 67519:1970 Actinity in the field of optics; definition, measurement, application
  • DIN 1349-2:1975-04 Transmission of optical radiation; turbid media, definitions
  • DIN 5030-3:2021 Spectral measurement of radiation - Spectral isolation - Definitions and characteristics
  • DIN 5030-3:1984 Spectral measurement of radiation; spectral isolation; definitions and characteristics
  • DIN 5039:1995-09 Light, lamps, luminaires - Definitions, survey
  • DIN 51009:2013-11 Optical atomic spectral analysis - Principles and definitions
  • DIN 44030-1:1992 Control technology; light barriers and light scanners; definitions
  • DIN 51418-2:2015 X-ray spectrometry - X-ray emission and X-ray fluorescence analysis (XRF) - Part 2: Definitions and basic principles for measurements, calibration and evaluation of results
  • DIN 1335:2003-12 Geometrical optics - Nomenclature and definitions
  • DIN 1335:2003 Geometrical optics - Nomenclature and definitions
  • DIN ISO 9358:2021-08 Optics and optical instruments - Veiling glare of image-forming systems - Definitions and methods of measurement (ISO 9358:1994)
  • DIN 51418-2:1996 X-ray spectrometry - X-ray emission- and X-ray fluorescense analysis (XRF) - Part 2: Definitions and basic principles for measurements, calibration and evaluation of results

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

YU-JUS

British Standards Institution (BSI)

  • BS EN ISO 12864:1998(2008) Ophthalmic optics — Contact lenses — Determination of scattered light
  • BS EN ISO 9288:1996 Thermal insulation - Heat transfer by radiation - Physical quantities and definitions
  • BS EN ISO 12864:1998 Ophthalmic optics - Contact lenses - Determination of scattered light
  • BS ISO 9211-1:2010 Optics and photonics - Optical coatings - Definitions
  • BS ISO 9211-1:1995 Optics and optical instruments - Optical coatings - Definitions
  • BS EN ISO 22007-4:2017 Plastics. Determination of thermal conductivity and thermal diffusivity. Laser flash method
  • BS EN ISO 11146-1:2005 Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - Stigmatic and simple astigmatic beams
  • BS EN ISO 11146-1:2021 Lasers and laser-related equipment. Test methods for laser beam widths, divergence angles and beam propagation ratios. Stigmatic and simple astigmatic beams
  • BS ISO 21501-1:2009 Determination of particle size distribution - Single particle light interaction methods - Light scattering aerosol spectrometer
  • BS PD ISO/TR 18231:2016 Iron ores. Wavelength dispersive X-ray fluorescence spectrometers. Determination of precision
  • BS EN ISO 11146-2:2005 Lasers and laser-related equipment - Test methods for laser beam widths, divergence angles and beam propagation ratios - General astigmatic beams
  • BS ISO 9358:1994(2000) Optics and optical instruments — Veiling glare of image - forming systems — Definitions and methods of measurement

Danish Standards Foundation

  • DS/EN ISO 12864:1998 Ophthalmic optics - Contact lenses - Determination of scattered light
  • DS/ISO 11146-1:2021 Lasers and laser-related equipment – Test methods for laser beam widths, divergence angles and beam propagation ratios – Part 1: Stigmatic and simple astigmatic beams

European Committee for Standardization (CEN)

  • EN ISO 9288:2022 Thermal insulation - Heat transfer by radiation - Vocabulary (ISO 9288:2022)
  • EN ISO 9288:1996 Thermal Insulation - Heat Transfer by Radiation - Physical Quantities and Definitions (ISO 9288 : 1989)
  • EN ISO 12864:1997 Ophthalmic Optics - Contact Lenses - Determination of Scattered Light ISO 12864:1997

ES-AENOR

  • UNE 100-700-1991 Climatology. Airborne transmission and divergence. definition

ITU-T - International Telecommunication Union/ITU Telcommunication Sector

(U.S.) Joint Electron Device Engineering Council Soild State Technology Association

  • JEDEC JESD77B.01-2006 Terms, Definitions, and Letter Symbols for Discrete Semiconductor and Optoelectronic Devices Minor Revision of JESD77-B

U.S. Military Regulations and Norms

Lithuanian Standards Office

  • LST EN ISO 12864:2000 Ophthalmic optics - Contact lenses - Determination of scattered light (ISO 12864:1997)

GOST

RU-GOST R

VN-TCVN

  • TCVN 3678-1981 Electrical sources of optical radiation.Terms and definitions

International Commission on Illumination (CIE)

GOSTR

Japanese Industrial Standards Committee (JISC)

  • JIS C 5916-3:2013 Fiber optic chromatic dispersion compensator using single-mode dispersion compensating fiber
  • JIS B 7080-1:2015 Optics and photonics -- Optical coatings -- Part 1: Definitions

International Telecommunication Union (ITU)

  • ITU-T G.870 AMD 1-2005 Terms and definitions for optical transport networks (OTN) Amendment 1 Study Group 15; Also Listed as Y.1352
  • ITU-R QUESTION 222/1-2000 Definition of the spectral properties of transmitter emissions
  • ITU-T G.870-2004 Terms and definitions for optical transport networks (OTN) SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital networks ?Optical transport networks Also Listed as Y.1352
  • ITU-T G.972-2008 Definition of terms relevant to optical fibre submarine cable systems Study Group 15

CU-NC

  • NC 15-42-1985 Cool Technique. Air Diffusion and Distribution. Terms and Definitions

CZ-CSN

American Society for Testing and Materials (ASTM)

  • ASTM D2825-96 Standard Terminology Relating to Polishes and Related Materials
  • ASTM D2825-21 Standard Terminology Relating to Polishes and Related Materials
  • ASTM F2359-04(2011) Standard Test Method for Determining Color of a Membrane Switch Backlit with Diffuse Light Source

Institute of Electrical and Electronics Engineers (IEEE)

Standard Association of Australia (SAA)

  • AS 2563:1996 Wavelength dispersive X-ray fluorescence spectrometers - Determination of precision

Japan Electronics and Information Technology Industries Association

GSO

BE-NBN

  • NBN-ISO 8754:1993 Petroleum products. Determination of sulfur content. Energy-dispersive X-ray fluorescence method