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solar ultraviolet radiation

Reducing human exposure to solar ultraviolet radiation

Reducing human exposure to solar ultraviolet radiation

... to solar ultraviolet radiation may not provide the expected degree of reduction in exposures with resultant undesirable effects which could be ...ambient radiation on the forehead ...ambient ...

6

Date Palm Tree’s Defense Mechanisms from Viral  Infection and Solar Ultraviolet Radiation

Date Palm Tree’s Defense Mechanisms from Viral Infection and Solar Ultraviolet Radiation

... desert solar radiation over thousands of ...by solar and ultraviolet radiations [19]. Thus the solar ultraviolet radiation preva- lent in desert ecosystems may also help ...

5

Residential exposure to solar ultraviolet radiation and incidence of childhood hematological malignancies in France

Residential exposure to solar ultraviolet radiation and incidence of childhood hematological malignancies in France

... Purpose Few studies have investigated the relationship between solar ultraviolet radiation (UV) and childhood hematological malignancies (CHM). This study addresses the associations between ...

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Diffuse component of solar ultraviolet radiation in tree shade

Diffuse component of solar ultraviolet radiation in tree shade

... direct radiation and diffuse ...larger solar zenith angles for similar cloud conditions (Blumthaler et ...diffuse radiation may constitute a significant component to the UV exposure received by ...

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Applying spaceborne reflectivity measurements for calculation of the solar ultraviolet radiation at ground level

Applying spaceborne reflectivity measurements for calculation of the solar ultraviolet radiation at ground level

... full radiation transfer algorithm, while the impact of clouds en- ters by application of Cloud Modification Factors ...the solar zenith angle and spectral weighting function or action spectrum but, ...

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Diffuse solar ultraviolet radiation and implications for preventing human eye damage

Diffuse solar ultraviolet radiation and implications for preventing human eye damage

... The global UV spectra were measured on a relatively cloud free day with the input optics of the spectroradiometer on a horizontal plane or pointing directly upwards for solar elevation angles of 33 o and 52 o . ...

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Lower body anatomical distribution of solar ultraviolet radiation on the human form in standing and sitting postures

Lower body anatomical distribution of solar ultraviolet radiation on the human form in standing and sitting postures

... influences the solar UV exposures. Surfaces orientated in a sun-normal plane may receive up to 27% higher erythemal UV exposures. Humans undertake their daily activities in a number of different postures. For ...

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Online educative activities for solar ultraviolet radiation based on measurements of cloud amount and solar exposures

Online educative activities for solar ultraviolet radiation based on measurements of cloud amount and solar exposures

... This research has provided six online educational activities based on real-time data, for use by children and the public in any location with internet connectivity. The integrated system described incorporates global ...

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Comparison of biologically damaging spectral solar ultraviolet radiation at a southern hemisphere sub-tropical site

Comparison of biologically damaging spectral solar ultraviolet radiation at a southern hemisphere sub-tropical site

... where S(λ) is the spectral irradiance, A(λ) is the action spectrum for the particular biological process and the wavelength range is over the solar terrestrial UV waveband. For erythema, DNA and generalized plant ...

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Deriving aerosol absorption properties from solar ultraviolet radiation spectral measurements at Thessaloniki, Greece

Deriving aerosol absorption properties from solar ultraviolet radiation spectral measurements at Thessaloniki, Greece

... Default ozone profiles [64] were scaled to the measured total ozone in the RTM calculations. Part of solar UV radiation scattered by aerosols in the troposphere is then absorbed by ozone. Inaccurate ...

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Determination of the solar ultraviolet radiation in tree shade

Determination of the solar ultraviolet radiation in tree shade

... • A UV radiometer. A cost effective model is the Bluewave BW10 model available from Diagnostic Instruments Pty Ltd, PO Box 159, Victoria Park, Perth, WA 6100 or Imbros Pty Ltd, PO Box 427, Moonah, Tas 7009 at a cost of ...

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Human exposure to filtered solar ultraviolet radiation

Human exposure to filtered solar ultraviolet radiation

... For the glass enclosure the spectrum was evaluated at three exposure times, namely, 9.00 to 9.20 Australian Eastern Standard Time (EST), 11.50 to 12.10 EST and 14.40 to 15.00 EST. The exposure times for the greenhouse ...

9

Diffuse solar ultraviolet radiation

Diffuse solar ultraviolet radiation

... UV radiation is Mie scattering that occurs when the radiation wavelength is comparable to the particle ...visible radiation is a very poor indicator of the UV ...

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Physics concepts of solar ultraviolet radiation by distance education

Physics concepts of solar ultraviolet radiation by distance education

... On this Web page, there is a link to a page that contains a total sky image at the University of Southern Queensland that has been recorded by a total sky imager (TSI) (model TSI-440, Yankee Environmental Systems, MA, ...

8

A SURVEY ON ULTRAVIOLET RADIATION AND OZONE RESEARCH

A SURVEY ON ULTRAVIOLET RADIATION AND OZONE RESEARCH

... of solar ultraviolet ...of Ultraviolet and ozone research over the globe starting from 16 th ...Keywords: Ultraviolet radiation; Stratospheric ozone; ozone hole ...

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An Investigation on the Human Thermal Comfort from a Glass Window

An Investigation on the Human Thermal Comfort from a Glass Window

... incident solar radiation especially when the building is located in a tropic zone near the ...of solar radiation on the indoor ...direct solar radiation and transmitted diffuse ...

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Personal exposure distribution of solar erythemal ultraviolet radiation in tree shade over summer

Personal exposure distribution of solar erythemal ultraviolet radiation in tree shade over summer

... The ambient erythemal UV radiant exposures in full sun on a horizontal plane for each 15 minute interval and averaged over all days of the three months are shown in Figure 1. The unit of MED is defined as the minimum ...

20

Umbrella with Ultraviolet Radiation  Protection

Umbrella with Ultraviolet Radiation Protection

... There are other factors that the researcher did not study due to some limitations such as Solar Zenith Angle which might affect UVR photo protection. This is because the fact that the duration of the experiments ...

7

Testing the solar ultraviolet transmission of clothing and shade materials

Testing the solar ultraviolet transmission of clothing and shade materials

... of ultraviolet (UV) radiation to which humans are ...electromagnetic radiation is in the visible waveband along with emission in the infrared and UV wavebands (Parisi and Kimlin, ...

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Evaluation of the correlation between Ultraviolet and Broadband Solar Radiation at a subtropical location (Qena, Upper Egypt)

Evaluation of the correlation between Ultraviolet and Broadband Solar Radiation at a subtropical location (Qena, Upper Egypt)

... radiation (UV) is important component of the environment, the concerned studies of this component are limited at Qena, Egypt (26.20, 32.70, 96 m asl). Thus, the hourly ratio of UV/G was estimated. The monthly ...

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