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human body radiation

human body radiation, Total:125 items.

In the international standard classification, human body radiation involves: Radiation measurements, Radiation protection, Medical equipment, Laboratory medicine, Lighting, Electricity. Magnetism. Electrical and magnetic measurements, Electrical engineering in general, Standardization. General rules, Occupational safety. Industrial hygiene, Electromagnetic compatibility (EMC), Installations in buildings, Aircraft and space vehicles in general, Space systems and operations, Ergonomics, Shafts and couplings, Telecommunication terminal equipment, Mobile services, Acoustics and acoustic measurements, Vocabularies, Optics and optical measurements, Metrology and measurement in general, Domestic electrical appliances in general, Environmental testing, Applications of information technology, Protective equipment, Television and radio broadcasting, Rubber.

International Organization for Standardization (ISO), human body radiation

ISO 1757:1996 Personal photographic dosemeters
ISO/DTR 7250-2 Basic human body measurements for technological design — Part 2: Statistical summaries of body measurements from national populations
ISO 13304-2:2020 Radiological protection — Minimum criteria for electron paramagnetic resonance (EPR) spectroscopy for retrospective dosimetry of ionizing radiation — Part 2: Ex vivo human tooth enamel dosimetry
ISO/TS 21979:2018 Space environment (natural and artificial) — Procedure for obtaining worst case and confidence level of fluence using the quasi-dynamic model of earth's radiation belts

Association Francaise de Normalisation, human body radiation

NF S92-501:2013 Laboratoire de biologie médicale - Mesures anthroporadiométriques - Corps entier - Mesures des émissions gamma d'énergie supérieure à 100 keV
NF ISO 23588:2023 Radioprotection - Exigences générales concernant les essais d'aptitude pour les mesures d'anthroporadiométrie (mesures in vivo)
NF S92-501:2006 Medical biology analysis laboratory - Anthroporadiametric measurements - Whole body countings - Measurements of high energy gamma emitters (higher than 200 keV).
NF ISO 27048:2011 Radioprotection - Estimation de la dose interne dans le cadre de la surveillance des travailleurs en cas d'exposition aux rayonnements
NF EN 14255-1:2005 Mesurage et évaluation de l'exposition des personnes aux rayonnements optiques incohérents - Partie 1 : rayonnements ultraviolets émis par des sources artificielles sur les lieux de travail
NF P82-701*NF EN 12015:2014 Electromagnetic compatibility - Product family standard for lifts, escalators and moving walks - Emission
NF EN 14255-3:2008 Mesurage et évaluation de l'exposition des personnes aux rayonnements optiques incohérents - Partie 3 : rayonnement ultraviolet émis par le soleil
NF EN 14255-2:2006 Mesurage et évaluation de l'exposition des personnes aux rayonnements optiques incohérents - Partie 2 : rayonnements visibles et infrarouges émis par des sources artificielles sur les lieux de travail
NF C99-116-2*NF EN 62209-2:2010 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures - Part 2 : Procedure to determine the specific absorption rate (SAR) for wireless communication devices
NF C18-700*NF EN 62233:2013 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure
NF EN 14255-4:2006 Mesurage et évaluation de l'exposition des personnes aux rayonnements optiques incohérents - Partie 4 : terminologie et grandeurs utilisées pour le mesurage de l'exposition au rayonnement ultraviolet, visible et infrarouge
NF EN ISO 13304-2:2022 Radioprotection - Critères minimaux pour la spectroscopie par résonance paramagnétique électronique (RPE) pour la dosimétrie rétrospective des rayonnements ionisants - Partie 2 : dosimétrie ex vivo à partir de l'émail dentaire humain
NF S31-066-2:2005 Acoustics - Determination of sound immissions from sound sources placed close to the ear - Part 2 : technique using a manikin (manikin-technique).
NF F99-020*NF EN 50500:2008 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure
NF EN IEC/IEEE 63195-1:2023 Évaluation de la densité de puissance de l'exposition humaine aux champs radiofréquences provenant de dispositifs sans fil à proximité immédiate de la tête et du corps (plage de fréquences de 6 GHz à 300 GHz) - Partie 1 : procédure de mesure
NF EN IEC/IEEE 63195-2:2023 Évaluation de la densité de puissance de l'exposition humaine aux champs radiofréquences provenant de dispositifs sans fil à proximité immédiate de la tête et du corps (plage de fréquences de 6 GHz à 300 GHz) - Partie 2 : procédure de calcul

British Standards Institution (BSI), human body radiation

BS 6090:1981 Specification for personal photographic dosemeters
BS EN 14255-1:2005 Measurement and assessment of personal exposures to incoherent optical radiation - Ultraviolet radiation emitted by artifical sources in the workplace
BS IEC 62401:2017 Radiation protection instrumentation. Alarming personal radiation devices (PRDs) for the detection of illicit trafficking of radioactive material
BS IEC 62401:2007 Radiation protection instrumentation - Alarming personal radiation devices (PRD) for detection of illicit trafficking of radioactive material
BS EN 14255-2:2005 Measurement and assessment of personal exposures to incoherent optical radiation - Part 2: Visible and infrared radiation emitted by artificial sources in the workplace
BS EN 14255-4:2006 Measurement and assessment of personal exposures to incoherent optical radiation - Terminology and quantities used in UV-, visible and IR-exposure measurements
BS EN 62233:2008 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure
18/30376556 DC BS IEC/IEEE 62209-1528. Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices. Human models, instrumentation, and procedures: Measurement procedure for the assessment of specific absorption rate of huma...
BS IEC 62232:2011 Determination of RF field strength and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human exposure
BS EN 62209-2:2010+A1:2019 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices. Human models, instrumentation, and procedures - Procedure to determine the specific absorption rate (SAR) for wireless communication…
BS ISO/IEC 14443-2:2020+A1:2021 Cards and security devices for personal identification. Contactless proximity objects - Radio frequency power and signal interface
BS EN 50500:2008+A1:2015 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure
BS EN 50500:2008 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure
BS EN IEC/IEEE 62209-1528:2021 Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures (Frequency range of…
BS IEC/IEEE 63195-2:2022 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz). Computational procedure
18/30355572 DC BS EN 62209-3. Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices. Human models, instrumentation, and procedures. Part 3. Vector probe systems (Frequency range of 100 MHz to 6 GHz)
PD ISO/TS 21979:2018 Space environment (natural and artificial). Procedure for obtaining worst case and confidence level of fluence using the quasi-dynamic model of earth's radiation belts
BS EN ISO 13304-2:2022 Radiological protection. Minimum criteria for electron paramagnetic resonance (EPR) spectroscopy for retrospective dosimetry of ionizing radiation - ex vivo human tooth enamel dosimetry
BS EN 50566:2013 Product standard to demonstrate compliance of radio frequency fields from handheld and body-mounted wireless communication devices used by the general public (30 MHz - 6 GHz)
PD IEC TR 63377:2022 Procedures for the assessment of human exposure to electromagnetic fields from radiative wireless power transfer systems. Measurement and computational methods (frequency range of 30 MHz to 300 GHz)

International Electrotechnical Commission (IEC), human body radiation

IEC 62401:2007 Radiation protection instrumentation - Alarming personal radiation devices (PRD) for detection of illicit trafficking of radioactive material
IEC 62401:2017 Radiation protection instrumentation - Alarming personal radiation devices (PRDs) for the detection of illicit trafficking of radioactive material
IEC 60405:1972 Nuclear instruments: Constructional requirements to afford personal protection against ionizing radiation
IEC 61137:1992 Radiation protection instrumentation; installed personnel surface contamination monitoring assemblies; low energy X and gamma emitters
IEC 62209-2/COR2:2010 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures - Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices
IEC 62209-2:2010/COR1:2010 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures - Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices
IEC 62209-2:2010 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures - Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices
IEC 62233:2005 Measurement methodes for electromagnetic fields of household appliances and similar apparatus with regard to human exposure
IEC/IEEE 63195-1:2022 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) - Part 1: Measurement proced
IEC/IEEE 63195-1-2022 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) - Part 1: Measurement proced
IEC/IEEE 63195-2-2022 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) - Part 2: Computational proc
IEC/IEEE 63195-2:2022 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) - Part 2: Computational proc
IEC TR 63377:2022 Procedures for the assessment of human exposure to electromagnetic fields from radiative wireless power transfer systems – Measurement and computational methods (frequency range of 30 MHz to 300 GHz)

中华人民共和国国家卫生和计划生育委员会, human body radiation

WS/T 584-2017 Method for measuring the whole body count of radionuclides in the human body

国家市场监督管理总局、中国国家标准化管理委员会, human body radiation

GB/T 31275-2020 Assessment of lighting equipment related to human exposure to electromagnetic field

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, human body radiation

GB/T 31275-2014 Assessment of lighting equipment related to human exposure to electromagnetic fields
GB/T 28446.1-2012 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices.Human models,instrumentation,and procedures.Part 1:Procedure to determine the specific absorption rate(SAR) for hand-held devices used in close proximi

Taiwan Provincial Standard of the People's Republic of China, human body radiation

CNS 6141-1980 Safety Level of Electromagnetic Radiation with Respect to Personnel

German Institute for Standardization, human body radiation

DIN IEC 62401:2009 Radiation protection instrumentation - Alarming personal radiation devices (PRD) for detection of illicit trafficking of radioactive material (IEC 62401:2007)
DIN EN 14255-3:2008 Measurement and assessment of personal exposures to incoherent optical radiation - Part 3: UV-Radiation emitted by the sun; English version of DIN EN 14255-3:2008-06
DIN EN 50500:2009 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure; German version EN 50500:2008
DIN EN ISO 13304-2:2023-04 Radiological protection - Minimum criteria for electron paramagnetic resonance (EPR) spectroscopy for retrospective dosimetry of ionizing radiation - Part 2: Ex vivo human tooth enamel dosimetry (ISO 13304-2:2020); German version EN ISO 13304-2:2022
DIN EN 50500/A1:2015 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure; German version EN 50500:2008/A1:2015

YU-JUS, human body radiation

JUS N.N0.205-1990 Radiocommunicatioa. Radiofrequency radioation. Maximum limits for people

Japanese Industrial Standards Committee (JISC), human body radiation

JIS Z 4922:1994 Phantoms for emission computed tomograph
JIS Z 4338:2006 Hand and foot monitors and personnel surface contamination monitors for alfha and/or beta emitters
JIS C 1912:2014 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure

Occupational Health Standard of the People's Republic of China, human body radiation

GBZ/T 200.1-2007 Reference individuals for use in radiation protection.Part 1:Physique parameters
GBZ/T(卫生) 200.5-2014 Reference individuals for use in radiation protection—Part 5:human body elemental composition and contents of element in main tissues and organs
GBZ/T 200.5-2014 Reference individuals for use in radiation protection.Part 5: human body elemental composition and contents of element in main tissues and organs

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., human body radiation

ASHRAE TO-98-24-3-1998 Radiant Heat Transfer Between the Human Body and its Surroundings

American National Standards Institute （ANSI), human body radiation

ANSI N13.35-2009 Specifications for the Bottle Manikin Absorption Phantom
ANSI N42.48-2008 Performance Requirements for Spectroscopic Personal Radiation Detectors (SPRDs)
BS EN IEC/IEEE 63195-1:2023 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) Measurement procedure (British Standard)
BS EN IEC/IEEE 63195-2:2023 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) Computational procedure (British Standard)

Professional Standard - Agriculture, human body radiation

SN/T 2752.3-2011 Self-protection norms for health and quarantine personnel Part 3: Nuclear radiation

European Committee for Standardization (CEN), human body radiation

EN 14255-3:2008 Measurement and assessment of personal exposures to incoherent optical radiation - Part 3: UV-Radiation emitted by the sun
EN 50500:2008 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure
EN ISO 13304-2:2022 Radiological protection - Minimum criteria for electron paramagnetic resonance (EPR) spectroscopy for retrospective dosimetry of ionizing radiation - Part 2: Ex vivo human tooth enamel dosimetry (ISO 13304-2:2020)

CZ-CSN, human body radiation

CSN 83 2745-1989 Work safety. Protective clothing against heat radi- ation. Requirements of protective properties. Testing method of body thermal state

GOSTR, human body radiation

GOST EN 12015-2020 Electromagnetic compatibility. Product family standard for lifts, escalators and moving walks. Electromagnetic emission

RU-GOST R, human body radiation

GOST 25645.203-1983 Spacecrew radiation safety during spaceflight. Model of human body for computation of tissue dose
GOST R 8.586-2001 State system for ensuring the uniformity of measurements. Instruments measuring the characteristics of artificial and natural radiation for the safety of museum exhibits. Methods for verification
GOST R 53615-2009 The influence of environmental conditions appearing in nature on the technical products. Overall performance. Solar radiation and temperature
GOST R 54148-2010 Human exposure to electromagnetic fields from household and similar electrical appliances. Methods for evaluation and measurement
GOST 12.4.176-1989 Occupational safety standards system. Special clothes for protection from thermal effects. Requirements to protective properties and method for determining human thermal condition
GOST 12.4.264-2014 Occupational safely standards system. Personal means of hand protection. Protective gloves against ionizing radiation and radioactive contamination. General technical requirements and test methods
GOST R 12.4.203-1999 Occupational safety standards system. Personal means of hand protection. Protective gloves against ionizing radiation and radioactive contamination. General technical requirements and test methods
GOST R 8.586-2016 State system for ensuring the uniformity of measurements. Instruments of measurement of characteristic of artificial and natural radiation for safeting of museum exhibits. Verification procedure
GOST 12.4.243-2013 Occupational safety standards system. Additional personal protective clothing for works with radioactive and chemically toxic substances. General technical requirements and test methods
GOST R 12.4.254-2010 Occupational safety standards system. Personal eye-protection. Filters and eye-protection against laser radiation. General technical requirements and test methods

Danish Standards Foundation, human body radiation

DS/CEN ISO/TR 7250-2/A1:2013 Basic human body measurements for technological design - Part 2: Statistical summaries of body measurements from national populations
DS/CEN ISO/TR 7250-2:2011 Basic human body measurements for technological design - Part 2: Statistical summaries of body measurements from individual ISO populations

Acoustical Society of America (ASA), human body radiation

ASA S2.72 PART 4-2003 Mechanical Vibration and Shock ?Evaluation of Human Exposure to Whole Body Vibration ?Part 4: Guidelines for the Evaluation of the Effects of Vibration and Rotational Motion on Passenger and Crew Comfort in Fixed-Guideway Transport Systems Formerly ANSI
ASA S3.18 PART 4-2003 Mechanical Vibration and Shock - Evaluation of Human Exposure to Whole Body Vibration - Part 4: Guidelines for the Evaluation of the Effects of Vibration and Rotational Motion on Passenger and Crew Comfort in Fixed-Guideway Transport Systems ISO 2631-4:2
ASA S2.72 PART 1-2002 Mechanical vibration and shock ?Evaluation of human exposure to whole-body vibration ?Part 1: General requirements [Replaced: ASA S3.18, ASA S3.18]
ASA S3.18-2002 Mechanical Vibration and ShockEvaluation of Human Exposure to Whole-Body VibrationPart 1: General Requirements ISO 2631-1:1997 [: ASA S2.72 PART 1]

ES-UNE, human body radiation

UNE-EN IEC/IEEE 63195-1:2023 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) - Part 1: Measurement procedure (Endorsed by Asociación Española de Normalizac...
UNE-EN IEC/IEEE 63195-2:2023 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) - Part 2: Computational procedure (Endorsed by Asociación Española de Normaliz...
UNE-EN 62209-2:2010 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures -- Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devi...
UNE-EN 62209-2:2010/A1:2019 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures - Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devic...
UNE-EN IEC/IEEE 62209-1528:2021 Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Part 1528: Human models, instrumentation, and procedures (Frequency range ...
UNE-EN 62209-1:2016 Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Part 1: Devices used next to the ear (Frequency range of 300 MHz to 6 GHz)...

ESDU - Engineering Sciences Data Unit, human body radiation

ESDU 77031 A-1979 Heat transfer by free convection and radiation - simply shaped bodies in air and other fluids.

US-CFR-file, human body radiation

CFR 10-20.1301-2014 Energy. Part20:Standards for protection against radiation. Subpart D:Radiation Dose Limits for Individual Members of the Public. Section20.1301:Dose limits for individual members of the public.
CFR 10-20.1302-2014 Energy. Part20:Standards for protection against radiation. Subpart D:Radiation Dose Limits for Individual Members of the Public. Section20.1302:Compliance with dose limits for individual members of the public.

International Commission on Illumination (CIE), human body radiation

CIE 207-2014 SENSITIVITY OF HUMAN SKIN TO ULTRAVIOLET RADIATION, EXPRESSED AS MINIMAL ERYTHEMA DOSE (MED)

Professional Standard - Post and Telecommunication, human body radiation

YD/T 1644.2-2011 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - human models, instrumentation,and procedures.part 2:Procedure to determine the specific absorption rate (SAR) for wireless communication devices used
YD/T 1644.1-2007 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices.Human models,instrumentation,and procedures Part 1:Procedure to determine the specific absorption rate(SAR)for hand-held devices used in close proximit

ZA-SANS, human body radiation

SANS 62577:2009 Evaluation of human exposure to electromagnetic fields from a stand-alone broadcast transmitter (30 MHz - 40 GHz)
SANS 62209-1:2006 Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentation, and procedures Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close p

IX-ECMA, human body radiation

ECMA TR 97-2009 Guide for Assessment of Human Exposure to Electromagnetic Fields from Multimedia Products in accordance with IEC/EN 62311

International Telecommunication Union (ITU), human body radiation

ITU-T K.61-2008 Guidance on measurement and numerical prediction of electromagnetic fields for compliance with human exposure limits for telecommunication installations Study Group 5

European Committee for Electrotechnical Standardization（CENELEC）, human body radiation

EN 50500:2008/AC:2015 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure (Incorporates Amendment A1: 2015)
EN 62233:2008 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure (Incorporating corrigendum August 2008)
EN 50500:2008/A1:2015 Measurement procedures of magnetic field levels generated by electronic and electrical apparatus in the railway environment with respect to human exposure

Institute of Electrical and Electronics Engineers (IEEE), human body radiation

IEC/IEEE 62209-1528:2020 - Redline IEC/IEEE International Standard - Measurement procedure for the assessment of specific absorption rate of human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices – Part 1528: Human models, instrumentation, a

Korean Agency for Technology and Standards (KATS), human body radiation

KS C IEC 62233:2008 Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure

IEEE - The Institute of Electrical and Electronics Engineers@ Inc., human body radiation

IEEE P63195/CD-2018 MEASUREMENT PROCEDURE FOR THE ASSESSMENT OF POWER DENSITY OF HUMAN EXPOSURE TO RADIO FREQUENCY FIELDS FROM WIRELESS DEVICES OPERATING IN CLOSE PROXIMITY TO THE HEAD AND BODY (Frequency range of 6 GHz to 300 GHz)
IEC/IEEE CD 62704-5:2018 COMPUTATIONAL PROCEDURE FOR THE ASSESSMENT OF POWER DENSITY OF HUMAN EXPOSURE TO RADIO FREQUENCY FIELDS FROM WIRELESS DEVICES OPERATING IN CLOSE PROXIMITY TO THE HEAD AND BODY (Frequency range of 6 GHz to 300 GHz)

未注明发布机构, human body radiation

BS IEC/IEEE 63195-1:2022 Assessment of power density of human exposure to radio frequency fields from wireless devices in close proximity to the head and body (frequency range of 6 GHz to 300 GHz) Part 1 : Measurement procedure

工业和信息化部, human body radiation

YD/T 1644.4-2020 Electromagnetic exposure to the human body from handheld and body-worn wireless communication devices. Mannequins, instruments and procedures. Part 4: Specific absorption rate (SAR) evaluation procedures for body-worn wireless communication devices (frequ
YD/T 1644.1-2020 Procedure for evaluation of electromagnetic exposure to the human body from handheld and body-worn wireless communication devices Part 1: Devices used close to the ears (frequency range 300MHz ~ 6GHz)

IX-EU/EC, human body radiation

2000/473/EURATOM-2000 Commission Recommendation on the Application of Article 36 of the Euratom Treaty Concerning the Monitoring of the Levels of Radioactivity in the Environment for the Purpose of Assessing the Exposure of the Population as a Whole

RO-ASRO, human body radiation

STAS 12745-1989 Sollar collectors PLANE SOLAR COLLECTORS WITH GASOUS OR LIQUID THERMIC AGENT Determination of stagnation maxi- mum temperature under natural solar irradiation