ultraviolet (UV) radiation
Diffuse component of solar ultraviolet radiation in tree shade
... direct radiation and diffuse ...diffuse radiation may constitute a significant component to the UV exposure received by humans’ eyes and skin as it is incident from all directions and difficult to minimise ...
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Degradation of Sucralose by Peroxidation Assisted with Ultraviolet Radiation and Photo-Fenton
... Abstract—Substances discharged intobodies of water must be studied due to possible risk of contamination and consequent damage to nature and human health.Sucralose is an artificial sweetener widely used to produce diet ...
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Assessment of ultraviolet radiation exposures in photobiological experiments
... The device with an overall size of 3 cm x 3 cm is based on four different dosimeter materials, namely, polysulphone, nalidixic acid, 8-methoxypsorolen and phenothiazine (Parisi and Wong, 1996a). Each of the materials is ...
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Physics concepts of solar ultraviolet radiation by distance education
... UV radiation. The measurement of ultraviolet radiation will be used in the instruction of distance education students in the physics concepts associated with measurement, the electromagnetic ...
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Home workers and ultraviolet radiation exposure
... Excessive repeated exposure to UV is known to cause skin cancer in humans (Diffey, 1992). Human occupational exposure to ultraviolet radiation has been previously measured using polysulphone dosimeters ...
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Ultraviolet radiation albedo and reflectance in review: the influence to ultraviolet exposure in occupational settings
... in ultraviolet radiation that the following metals or elements were investigated and characterised for UV reflectance by Hulburt [52]: aluminium, antimony, bismuth, cadmium, carbon, carborundum, chromium, ...
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Reducing human exposure to solar ultraviolet radiation
... 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 ...
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Measurement of reflected, total and diffuse solar erythemal ultraviolet radiation
... cumulative ultraviolet (UV) exposure and the risk of melanoma increases with the number of sunburns, specially during ...of ultraviolet radiation may be used in the instruction of science students ...
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Umbrella with Ultraviolet Radiation Protection
... Background: Ultraviolet radiation (UVR) causes harm to the eye and skin in human. There are many ways to protect one from UVR. Umbrella is widely used due to its convenience as well as its ability to ...
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Human exposure to filtered solar ultraviolet radiation
... UV radiation (280-400 nm) and has the highest incidence rates of NMSC and cutaneous malignant melanoma in the world (Lowe et ...1993). Ultraviolet radiation exposure has a causative role in human ...
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Ultraviolet Radiation: A Hazard to Children and Adolescents
... sun’s ultraviolet rays can be hazardous, however, because excessive exposure causes skin cancer and other adverse health ...year. Ultraviolet radiation (UVR) causes the 3 major forms of skin cancer: ...
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Ultraviolet Radiation: A Hazard to Children and Adolescents
... Ultraviolet radiation (UVR) causes the 3 major forms of skin cancer: basal cell carcinoma; squamous cell carcinoma; and cutaneous malig- nant melanoma. Public awareness of the risk is not optimal, overall ...
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A SURVEY ON ULTRAVIOLET RADIATION AND OZONE RESEARCH
... Ozone the important but minor species of the normal air plays a very important role in atmospheric chemistry by protecting living organisms from the harmful effects of solar ultraviolet radiation. Ozone is ...
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A METHOD FOR TREATING WHEAT POLLEN WITH ULTRAVIOLET RADIATION FOR GENETIC EXPERIMENTS
... A prepared wheat spike with bare receptive stigmas is inserted into the bottom of the quartz tube, where ultraviolet radiation is negligible, and a dehiscing anther is [r] ...
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Ozone and ultraviolet radiation
... Imagine if the earth’s protective atmosphere did not exist and the earth was subjected to the harmful ultraviolet energy from the sun. Life as we know would not exist. Changes in the earth’s layer of atmospheric ...
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Ultraviolet radiation as disinfection for fish surgical tools
... effective at killing high concentrations of bacteria on the stab scalpels but worked on the suture material. Concen- trations of bacteria used in this experiment ranged from 1.4 × 10 4 CFU/mL to 5.9 × 10 11 CFU/mL. The ...
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Ultraviolet radiation
... The risk of developing skin cancer or sun-related eye disorders may be lowered by the reduction of human exposures to solar ultraviolet (UV) radiation. There are also other determining factors such as ...
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Spatiotemporal exposure modeling of ambient erythemal ultraviolet radiation
... Surfaces can return radiation up towards the atmos- phere, which is partially scattered back to the ground [2]. It is possible that differences in surface albedo as well as surface UV in urban vs. rural areas ...
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An Overview Of The Water Disinfection With Ultraviolet Radiation Nowadays: New Approaches
... Low pressure mercury discharge lamps (the most common type used in small scale systems are similar in design and construction to fluorescent lamps) emit a wavelength of 254 nm, which has been found to be a good source of ...
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Control of microbiologically influenced corrosion using ultraviolet radiation
... radiation that triggers the most effective germicidal activity at its peak is 254 nm; hence this figure was fixed upon all factorials in this study. Samples initial condition were labelled as biotic and abiotic ...
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