Article: Ultraviolet Radiation and Terrestrial Ecosystems[dagger]

Article: Ecosystem Consequences of Enhanced Solar Ultraviolet ...
Photochemistry and Photobiology;  May 1, 2004 ;     700+ words ... ... metabolites as mediators of multiple trophic responses in terrestrial ecosystems is considered through review of the major classes of ... continental areas and as a consequence, encompass many terrestrial ecosystems (15). Since the 1980s, ground-level erythemally ...

Article: Optimum particle size of titanium dioxide and zinc oxide for ...
The Journal of Coatings Technology;  October 1, 1990 ;     700+ words ... ... Oxide For Attenuation of Ultraviolet Radiation The optimum size of particles ... protect polymers from ultraviolet radiation is calculated using a ... for 0.3-micrometer ultraviolet radiation to 0.12 micrometer for ...

Article: Ultraviolet Radiation
Medical Discoveries;      672 words ...Ultraviolet radiation Just like visible light ... light and X-rays . Although ultraviolet radiation is undetectable to the naked ... meaning "beyond the violet." Ultraviolet Radiation and the Body While ultraviolet ...

Article: Ozone Study Predicts Increase In Cataract, Skin Cancer Risks; ...
The Washington Post;  November 16, 1991 ;     700+ words ...Higher doses of ultraviolet radiation expected to leak through ... for the first time that ultraviolet radiation depresses human immune ... potential adverse effects of {ultraviolet radiation} on the immune system ...

Article: Simplified Calibration for Broadband Solar Ultraviolet ...
Photochemistry and Photobiology;  December 1, 2003 ;     700+ words ... ... common in projects dealing with ultraviolet radiation effects on humans. Many erythemally ... Organization. INTRODUCTION The solar ultraviolet radiation is an environmental factor with ... attracted the public interest in ultraviolet radiation investigations and task groups ...

Article: ultraviolet radiation
The Columbia Encyclopedia, Sixth Edition;      639 words ...ultraviolet radiation invisible electromagnetic ... the mercury arc lamp. The ultraviolet radiation in sunlight is divided into ... is increasing the amount of ultraviolet radiation that can pass through it ...

Article: HEALTH PROTECTION : COMMISSION KEEN TO LIMIT ULTRAVIOLET ...
Europe Environment;  July 20, 2006 ;     700+ words ... ... lamps and sunbeds that give off ultraviolet radiation. The Commission's Scientific ... has concluded that "the use of ultraviolet radiation devices clearly increases the risk ... properties of natural and artificial ultraviolet radiation, the intensity of radiation does ...