Sentences with phrase «between ultraviolet»

Ultraviolet A Ultraviolet B Thin layer of dead cells Hair Squamous cells Epidermis Basal layer Sweat gland Melanocyte cells Dermis Basal cell Blood vessels Figure 20.22 Science: structure of the human skin and the relationships between ultraviolet (UV - A and UV - B) radiation and the three types of skin cancer.
Rats can also see ultraviolet light, and they can be trained to tell the difference between ultraviolet and visible light.
It always reminded me of a cross between Ultraviolet and Aeon Flux, which are both very cool, unique films.
They are electromagnetic waves like visible light but situated at the high energy / short wavelength end of the electromagnetic spectrum, between ultraviolet light and gamma rays.
For measurements of color, visible hyperspectral imaging data was collected between the ultraviolet through the near - infrared range.
«But in examining the relationship between ultraviolet exposure and birth outcomes nationwide, there was no evidence to support this.»
But the relationship between ultraviolet (UV) radiation (UVR) and XFS needs further study because some reports of a link have not been consistent.

Not exact matches

With a variable shade between 9 and 13, you'll enjoy protection from ultraviolet and infrared lights that can harm your eyes.
In the gleaming new Laboratories of Molecular Anthropology and Microbiome Research, opened in 2014 at the University of Oklahoma, positive air pressure keeps out external contamination, and intense ultraviolet lamps are on standby to sterilize the lab between uses.
Ms Alice Koechlin, from the International Prevention Research Institute in Lyon, France, told the meeting that people who were at highest risk of dying from melanoma were those born between 1900 and 1960 when not only were the dangerous effects of exposure to ultraviolet (UV) radiation from sunlight largely unknown, but also health professionals believed that sunshine was positively beneficial.
Haigh's measurements showed that visible radiation increased between 2004 and 2007, when it was expected to decrease, and ultraviolet radiation dropped four times as much as predicted.
At altitudes above 50 kilometers, ultraviolet light from the sun easily penetrates the Red Planet's thin atmosphere and breaks down water's chemical bonds between hydrogen and oxygen.
Interplanetary sleuthing by a tag team of spacecraft has revealed a new link between the glowing ultraviolet auroras at Saturn's poles and the planet's mysterious radio emissions.
Continuous liquid interface production is achieved with an oxygen - permeable window below the ultraviolet image projection plane, which creates a «dead zone» (persistent liquid interface) where photopolymerization is inhibited between the window and the polymerizing part.
Methane could also have a nonbiological source, perhaps generated by chemical reactions between water and minerals in Martian rocks or from reactions between the sun's ultraviolet radiation and cosmic dust.
The youngest white dwarfs are the hottest and emit strongly in the extreme ultraviolet, which corresponds to temperatures between 100 000 °C and about 1 million °C.
Researchers looked at seven of these worlds — distant planets whose mass lies between one and 10 times ours — including 55 Cancri e (at right, compared to Earth) and GJ1214b, evaluating how the x-ray and extreme ultraviolet radiation emitted by their parent stars might affect their atmospheres over their remaining lifetimes.
Havran, MacLeod and their colleagues also hope to learn further details of the molecular cross-talk between DETCs and keratinocytes, as well as the role of DETCs in protecting against other environmental threats, such as the ultraviolet radiation that causes sunburn and skin cancers.
When used at NIST to transmit laser light to trap ions (electrically charged atoms), the fibers reduce stray light and fluctuations in laser beam pointing and make it possible to transfer ultraviolet light between separate optical tables, the paper notes.
Sunlight contains low - energy photons (infrared light) and high - energy photons (sunburn - causing ultraviolet radiation), as well as all of the visible light in between.
Although ultraviolet light from stars would break apart water molecules, after hundreds of millions of years an equilibrium could be reached between water formation and destruction.
While measurements of aerosol absorption in ultraviolet do not differentiate between the smoke, dust and ash aerosols, only volcanic clouds contain significant abundances of SO2, so satellite measurements of SO2 are especially valuable for unambiguous identification of volcanic clouds.
Upon ultraviolet light exposure, a chemical reaction occurs such that the interaction between the reinforcing agents and the polymer increases, thus making the material stiffer and stronger.
When Voyager 1 passed Titan in 1980, it couldn't see the surface of Saturn's largest moon: solar ultraviolet radiation drives reactions between nitrogen and methane molecules in its atmosphere that yield a thick, orange - brown gunk.
The study analysed ultraviolet solar irradiance (UVER) around midday (between 12:30 and 13:30) for four months of the year (one in each season) from 2003 to 2010.
Sunrise provided the highest - resolution images to date in ultraviolet light of this thin corrugated layer, which lies between the sun's visible surface and the sun's outer atmosphere, the corona.
In 2003, however, researchers at the University of Groningen in the Netherlands who mounted single molecules of diarylethene between gold electrodes found that, even though the switches could be turned off by visible light, they could not then be turned back on by ultraviolet.
And the Hubble's ability to observe in parts of the infrared and ultraviolet as well as in the visible spectrum has tended to break down long - standing walls between astronomical disciplines.
Zapped with cosmic rays and ultraviolet light, the space between the stars is so hostile that most astronomers once thought it couldn't possibly harbor something as fragile as molecules.
The relationship between infrared, optical, and ultraviolet extinction.
Due to the lack of sensitivity of past and current infrared (IR) instrumentation, so far it has not been possible to get a glimpse into the earl... ▽ More Our current knowledge of star formation and accretion luminosity at high - redshift (z > 3 - 4), as well as the possible connections between them, relies mostly on observations in the rest - frame ultraviolet (UV), which are strongly affected by dust obscuration.
11/14/2007 Moores UCSD Cancer Center Study: Global View Shows Link Between Endometrial Cancer & Vitamin D Status Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at University of California, San Diego (UCSD) have shown a clear association between deficiency in exposure to sunlight, specifically ultraviolet B (UVB... Between Endometrial Cancer & Vitamin D Status Using newly available data on worldwide cancer incidence, researchers at the Moores Cancer Center at University of California, San Diego (UCSD) have shown a clear association between deficiency in exposure to sunlight, specifically ultraviolet B (UVB... between deficiency in exposure to sunlight, specifically ultraviolet B (UVB... More...
This study makes the first direct comparison between the optical emission line and the ultraviolet and infrared tracers of star formation and indicates that, despite the underlying uncertainties, astronomers can trust the nebular emission lines as robust indicators of the star - formation rate and the amount of light that is obscured by dust in distant galaxies.
Abstract: Our current knowledge of star formation and accretion luminosity at high - redshift (z > 3 - 4), as well as the possible connections between them, relies mostly on observations in the rest - frame ultraviolet (UV), which are strongly affected by dust obscuration.
after doing some looking around on the web I found a connection between mouth burn syndrome and over exposure to ultraviolet light.
The skin barrier — or stratum corneum — is what stands between us and the outside world, preventing environmental chemicals and biological irritants from entering skin, including free radicals, bacteria, other microbes, allergens, toxic chemicals, ultraviolet light, injury and other external assaults.
I understand that Jovovich loves cult material, hence her participation in the horrendous Ultraviolet, and B movie throwbacks but by this point she should at least be able to tell the difference between bad cult movies and good ones.
Between the non-stop action and the lack of a strong male lead, your chance of hooking up after taking someone to this movie is slightly less than the chance that «Ultraviolet» will win the Best Picture Oscar in 2007.
UltraViolet is a rather new company that helps build bridges between the retail video market and the digital editions.
Although only 1 percent of the sun's energy is emitted at ultraviolet wavelengths between 200 and 300 nanometers, the decrease in this radiation from 1 July 1981 to 30 June 1985 accounted for 19 percent of the decrease in the total irradiance over the same period.»
Most atmospheric absorption takes place at ultraviolet and infrared wavelengths, so more than 90 percent of the visible portion of the solar spectrum, with wavelengths between 0.4 and 0.7 μm (0.00002 to 0.00003 inch), reaches the surface on a cloud - free day.
However, SIM suggests that ultraviolet irradiance fell far more than expected between 2004 and 2007 — by ten times as much as the total irradiance did — while irradiance in certain visible and infrared wavelengths surprisingly increased, even as solar activity wound down overall.
The atmosphere plays an important role in the protection of life on Earth; it absorbs ultraviolet solar radiation and reduces temperature extremes between day and night.
I see the growing disagreement between models and observations as climate science's version of the ultraviolet catastrophe.
This appears to be a deliberate deception which has been so successful that the public now believe the Sun emits ultraviolet and visible light while the warmed Earth emits infrared with 4 microns being the boundary between the two.
A theoretical link between solar variation and climate change needs a more active sun to emit considerably more ultraviolet.
Possible correlations between solar ultraviolet variability and climate change have previously been explained in terms of changes in ozone heating influencing stratospheric weather.
Comparison between the zonal winds from ultraviolet images and the vertical profile of zonal winds from the Cassini Composite Infrared Spectrometer (CIRS) shows that the zonal winds from the ultraviolet images are from a pressure level that is ∼ 0.2 scale heights higher than the pressure level of the zonal winds from continuum - band images.
Daily measurements of the solar spectrum between 0.2 µm and 2.4 µm, made by the Spectral Irradiance Monitor (SIM) instrument on the Solar Radiation and Climate Experiment (SORCE) satellite3 since April 2004, have revealed4 that over this declining phase of the solar cycle there was a four to six times larger decline in ultraviolet than would have been predicted on the basis of our previous understanding.
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