Results 121 to 130 of about 6,091 (148)
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Environmental magnetic fields: Influences on early embryogenesis
Journal of Cellular Biochemistry, 1993AbstractA 10‐mG, 50 to 60‐Hz magnetic field is in the intensity and frequency range that people worldwide are often exposed to in homes and in the workplace. Studies about the effects of 50‐ to 100‐Hz electromagnetic fields on various species of animal embryos (fish, chick, fly, sea urchin, rat, and mouse) indicate that early stages of embryonic ...
I L, Cameron +4 more
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Environmental Power-frequency Magnetic Fields and Suicide
Health Physics, 1981AbstractWe studied the relationship between power-frequency magnetic fields and locations of suicidal deaths in 1969–76 in the West Midlands, England. We found a significant correlation between suicide locations and the measured power-frequency magnetic field strength.
F S, Perry +3 more
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Magnetic mesoporous materials for removal of environmental wastes
Journal of Hazardous Materials, 2011We have synthesized two different magnetic mesoporous materials that can be easily separated from aqueous solutions by applying a magnetic field. Synthesized magnetic mesoporous materials, Mag-SBA-15 (magnetic ordered mesoporous silica) and Mag-OMC (magnetic ordered mesoporous carbon), have a high loading capacity of contaminants due to high surface ...
Kim, Byoung Chan +13 more
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Environmental magnetism and climate change
Contemporary Physics, 2007A major and pressing problem is to understand how, and how fast, the Earth's climate has changed in the past, with and without human influences on the global carbon cycle. Magnetic, remanence-acquiring, minerals, mostly iron oxides and sulphides, occur ubiquitously in sediments.
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Environmental and Organizational Influences on Magnet Hospital Recognition
Journal of Healthcare Management, 2013This article reports on research studying the influence of environmental and organizational factors on the adoption of the magnet hospital concept. Although research has been reported on the adoption of innovations by healthcare organizations, research on factors influencing the adoption of administrative advances remains an important area to ...
Thomas L, Powers, Tom J, Sanders
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Magnetic minerals and environmental systems
1986The major primary energy sources in the sun and in the Earth’s interior ultimately drive all the systems of energy transformation and material flux which are the concern of environmental scientists. Whether we are studying the lithosphere, hydrosphere or atmosphere, or the cycles which involve the transfer of material between them, the movement of ...
Roy Thompson, Frank Oldfield
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Are environmental magnetic fields dangerous?
Physics World, 1992In the general environment, at home and in the factory or office, people are exposed to electromagnetic radiation from computers, domestic appliances, power transmission lines and manufacturing tools and products. It is often thought that the electromagnetic fields associated with these may have adverse effects, and indeed court cases have sometimes ...
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Normalized magnetic parameters and their applicability to paleomagnetism and environmental magnetism
Geology, 1986Using simple theory, one can show that normalized magnetic parameters—i.e., one primary magnetic measurement divided by a second—are not independent of the concentration of magnetic minerals in an assemblage, except in a few special cases. In the common situation, when the number of minerals in an assemblage is unknown, these parameters can only be ...
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Magnetic Resonance Spectroscopy and Environmental Toxicant Exposure
Annals of the New York Academy of Sciences, 2007Abstract: The study of neurological impacts of toxicants has emphasized neuropsychological tests as important outcome variables. Direct assessment of neural substrates of environmental impacts could offer many advantages. I discuss our use of magnetic resonance spectroscopy (MRS) in the neurological assessment of adult lead poisoning of monozygotic ...
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