搜索结果: 1-15 共查到“UV radiation”相关记录23条 . 查询时间(0.099 秒)
The Effects of UV Radiation in the Marine Environment
UV Radiation Marine Environment
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2015/8/4
Interest in the effects of ultraviolet (UV) radiation on the marine environment surged after the Antarctic ozone hole was discovered in the mid 1980s. Much of the ensuing research has focused on quant...
Diminished UV radiation reduces the spread and population density of Macrosiphum euphorbiae (Thomas) [Hemiptera: Aphididae] in lettuce crops
potato aphid UV-absorbing net IPM SADIE life table parameters
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2015/3/17
UV-absorbing covers reduce the incidence of injurious insect pests and viruses in protected crops. In the present study, the effect of a UV-absorbing net (Bionet) on the spatio-temporal dynamics of th...
X-rays and hard UV radiation From the First Galaxies: Ionization Bubbles and 21 cm Observations
stars: Population III. galaxies: high-redshift. (galaxies:) quasars: general. galaxies: star formation. cosmology: theory. (cosmology:) dark ages, reionization, rst stars
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2011/10/9
The first stars and quasars are known sources of hard ionizing radiation in the first billion years of the Universe. We examine the joint effects of X-rays and hard UV radiation from such first-light ...
Assessment of Long Term UV Radiation Measured by the Brewer Spectrophotometer in Hong Kong during 1995-2005
UV Radiation Brewer Spectrophotometer TOMS Hong Kong
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2013/2/26
Time series of daily UV radiation measured by the ground-based Brewer spectrophotometer #115 in Hong Kong during 1995-2005 were studied through statistics analysis, with focus on the variability and l...
Comparison of TOMS retrievals and UVMRP measurements of surface spectral UV radiation in the United States
TOMS retrievals UVMRP measurements surface spectral UV radiation
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2010/9/21
Surface noontime spectral ultraviolet (UV) irradiances during May-September of 2000–2004 from the total ozone mapping spectrometer (TOMS) satellite retrievals are systematically compared with the grou...
Ocean acidification exacerbates the effect of UV radiation on the calcifying phytoplankterEmiliania huxleyi
Ocean acidification UV radiation the calcifying phytoplankter Emiliania huxleyi
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2014/4/17
Increasing atmospheric CO2 concentration affects calcification in most planktonic calcifiers. Both reduced or stimulated calcification under high CO2have been reported in the widespread coccolithophor...
Extensive reduction of surface UV radiation since 1750 in world's populated regions
Extensive reduction surface UV radiation world's populated regions
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2009/11/9
Human activity influences a wide range of components that affect the surface UV radiation levels, among them ozone at high latitudes. We calculate the effect of human-induced changes in the surface er...
Production of Phytoalexin,Scoparone in Citrus Cultivars Following Treatment with UV Radiation
high performance liquid chromatography flavedo lemon
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2009/7/10
Ultraviolet (UV) radiation induced production of phytoalexin scoparone (6,7-dimethoxycoumarin) in the leaves and flavedo of various citrus cultivars. Using high performance liquid chromatography (HPLC...
Transmission of UV radiation through woven fabrics in dependence on the inter-thread spaces
transmission woven fabrics fabric structure
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2009/6/17
A method of designing woven fabrics is presented from the point of view of protecting humans against UV radiation transmitted by fabric and the shape of inter-thread channels determined by the fabric ...
Influence of Fabric Constructional Parameters and Thread Colour on UV Radiation Protection
woven fabrics constructional parameters cover factor
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2009/6/17
The purpose of the research presented was to analyse the influence of the fabric surface cover factor and fabric colour values on the degree of UV ray transmittance and the UV protective factor (UPF)....
Protostellar Disks under the Influence of Winds and UV Radiation
Protostellar Disks Winds UV Radiation
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2009/6/16
Protostellar Disks under the Influence of Winds and UV Radiation。
Stratospheric Ozone Depletion and Solar UV Radiation in the Arctic and Its Potential Impact on Human Health in Finland
UV Impact Ozone Human Health
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2009/6/12
Stratospheric Ozone Depletion and Solar UV Radiation in the Arctic and Its Potential Impact on Human Health in Finland.
UV-enhanced fish predation and the differential migration of zooplankton in response to UV radiation and fish
UV-enhanced fish predation zooplankton
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2014/4/18
The intensity and spectral composition of visible light are known to influence fish predation on zooplankton.
However, in clear-water systems, ultraviolet (UV) radiation (UVR) may also influence fish...
INTERACTION BETWEEN VARIABLE SOLAR UV RADIATION AND TROPOSPHERIC CIRCULATIONS AS A POSSIBLE CAUSE OF FIVE YEAR OSCILLATION IN EARTH ROTATION
VARIABLE SOLAR UV RADIATION TROPOSPHERIC CIRCULATIONS EARTH ROTATION
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2009/3/16
It is shown that Five Year Oscillation in Earth rotation is possibly
caused by variable solar UV radiation and a corresponding perturbation mechanism
is suggested.
A New Method of Determination of the UV-Radiation Permeability through Cotton Cloth
UV-Radiation Permeability Cotton Cloth
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2009/2/5
New Method of Determination of the UV-Radiation Permeability through Cotton Cloth。