Conventional photocatalysts suffer from a low water - to - hydrogen conversion efficiency because
they use ultraviolet light, which accounts for only three to four percent of the solar spectrum.
Typically our titanium dioxide applications
use ultraviolet light to activate the catalyst.
A veterinarian may
use an ultraviolet light to diagnose ringworm, or may examine a fungal culture taken from a cat's hair or skin cells.
A veterinarian may
use an ultraviolet light to diagnose ringworm, or may examine a fungal culture taken from the affected area.
Over the past year Jackson Family Wines have been testing a prototype of the BlueMorph, a cutting edge technology especially designed to
use ultraviolet light for tank sanitation, reducing or eliminating the use of water, power, and chemicals.
Miller said he doesn't know specifically how the hospital staff
used his ultraviolet light - emitting robots to prevent the spread of the virus while Duncan was undergoing treatment.
Structural self - healing plastics are already being developed, and earlier this year scientists reported ones that healed
using ultraviolet light.
By
using ultraviolet light and superlenses capable of subwavelength imaging, scientists say they can push the photolithography boundary down to about 20 nanometers.
Irrigation water is sterilized
using ultraviolet light and trucked to purification stations.
«Ancient seashell coloration patterns revealed
using ultraviolet light.»
After two earlier published attempts that led to early - stage embryos but not confirmed embryonic stem cells, Mitalipov and colleagues took steps to preserve a protein complex believed to help primate eggs restructure transplanted DNA, and employed a new imaging system to observe the egg's chromosomes directly instead of by staining them or
using ultraviolet light, which might damage DNA.
Previously, researchers in these fields
used an ultraviolet light treatment, but it could take up to an hour or more to attach the surfaces together.
This glue can be cured
using ultraviolet light in five seconds flat — very handy if you're operating on a living heart in flowing blood.
Thank you -LSB-...] for seeking out the best organic seeds, using the highest quality presses,
using ultraviolet light proof glass bottles, and making these oils!
The «Dye test» consists of adding 1/2 oz of dye (About $ 3 cost) and
using an ultraviolet light to locate the leak.
Most vets follow their physical exam with an examination of the affected areas
using an ultraviolet light source (a woods lamp) in a darkened room.
A good way to detect previously soiled areas is by
using an ultraviolet light; urine residues not visible to the human eye will fluoresce under the light.
(mydigitalhome.ca) The Swordfish Ultraviolet Air Treatment System from Allanson
uses ultraviolet light to kill airborne moulds, bacteria and viruses in indoor air.
Not exact matches
The
Ultraviolet (UV - C)
light technology is a really efficient and effective way to keep things germ free, and it's certainly a better option than
using harmful and messy chemicals to keep things sanitary.
Without the
use of a black
light, the extent of the disease could go unnoticed and worsen over time with
ultraviolet ray exposure or laser therapy.
The researchers
used the Hubble Space Telescope to study the «colors» of far
ultraviolet light coming from blue stragglers and their companions.
The Gideon Air Purifier
uses a combination of air ionization and
ultraviolet light to kill 98 % of airborne bacteria and viruses.
To prevent such errors, over time the two established several protocols to combat contamination,
using bleach,
ultraviolet lights and positive - pressure clean rooms.
The technology controls the amount of
light crops receive
using a thin covering of nano - tech film that blocks out harmful
ultraviolet light while optimizing beneficial
light.
Those effects will likely differ depending on the kind of plastic, which varies depending on its starting polymer and the additives
used to impart certain qualities such as flexibility, sturdiness or durability under
ultraviolet light.
«We control the below - threshold harmonic
light emission by
using electromagnetic fields with time - dependent ellipticity, like we have done to the above - threshold high - order harmonics,» said Chang referring to the creation of a 67 - attosecond pulse of extreme
ultraviolet light, which earned him international recognition.
So, because we can't sense
ultraviolet light with our visual pigments, we can't even pick up on the cues that turkeys are probably
using, and now that I know that this is changing, the next step is to find out whether females actually care about this change, which we don't know whether there is a behavioral response to turkeys being different in their
ultraviolet reflections.
But the near
ultraviolet is actually
used by some organisms, some birds, lots of insects, and it turns out that turkeys are one of the bird species that can see the
ultraviolet light.
Principal investigator Adrian Daw helps calibrate the Extreme
Ultraviolet Normal Incidence Spectrograph
using colored
lights before its latest trip to study the sun.
But since the team
used higher levels of
ultraviolet light than previous experiments, about 5 percent of the CO2 turned to O2 and C, while the rest became CO and O.
Companies kill deadly bacteria and strip out heavy metals in water
using new technologies that range from
ultraviolet (UV)
light to microbubbles
«Our team was able to accomplish this task by
using Raman spectroscopy with an
ultraviolet laser, instead of conventional visible
light lasers.
More specifically, New York City officials are building a water disinfection facility some 30 miles (50 kilometers) north of Manhattan on a 153 - acre (62 - hectare) property in the Westchester County towns of Mount Pleasant and Greenburgh that will
use ultraviolet (UV)
light to destroy water - borne pathogens such as Escherichia coli, giardia, and cryptosporidium in reservoirs that serve city dwellers.
In 2015, chemists from Cambridge University, led by John Sutherland, who is a co-author on the current study, discovered a way to synthesize the precursors to RNA
using just hydrogen cyanide, hydrogen sulfide, and
ultraviolet light — all ingredients that are thought to have been available on early Earth, before the appearance of the first life forms.
Modified cameras that are sensitive to
ultraviolet light were
used to photograph the ladybirds, allowing the researchers to
use special modelling and image analysis techniques to analyse how each species would appear to predatory birds, which have very different color vision to humans.
The EUSO telescope, which will be
used to find debris, was originally planned to detect
ultraviolet light emitted from air showers produced by ultra-high energy cosmic rays entering the atmosphere at night.
«Usually,
light in the violet and
ultraviolet region is
used,» says Robert Liska.
The group of Majed Chergui at EPFL, along with national and international colleagues, have shed
light on this long - standing question by
using a combination of cutting - edge experimental methods: steady - state angle - resolved photoemission spectroscopy (ARPES), which maps the energetics of the electrons along the different axis in the solid; spectroscopic ellipsometry, which determines the optical properties of the solid with high accuracy; and ultrafast two - dimensional deep -
ultraviolet spectroscopy,
used for the first time in the study of materials, along with state - of - the - art first - principles theoretical tools.
And you do all that
using very sharp pulses of
ultraviolet light, which we generate in my lab.
Now, astronomers observing the cluster in
ultraviolet light using the Hubble Space Telescope have found a total of nine stars with masses of more than 100 suns, the largest collection of very massive stars found to date.
Duke University researchers have developed tiny nanoparticles that help convert carbon dioxide into methane
using only
ultraviolet light as an energy source.
Astrophysicist Martin Barstow of the University of Leicester in the U.K. and colleagues
used the Far
Ultraviolet Spectroscopic Explorer (FUSE) spacecraft, which studies cosmic rays and similar phenomena, to gauge the density of clouds located out to about 300
light - years from the sun.
So, late in 2012, in hopes of detecting vapor plumes, he and his colleagues
used the Hubble Space Telescope to observe Europa in
ultraviolet light.
They are also developing an alternative delivery system that is more amenable to modern dental practices: The chosen drug will be dissolved in a gel that is injected into a cavity and bathed with
ultraviolet light to solidify it — a quick and easy procedure similar to one dentists already
use to seal and repair teeth.
The treated fibers could be
used to transmit a wide range of infrared, visible and
ultraviolet wavelengths of
light, according to the research team.
For artificial
lighting throughout the museum, conservators chose novel bulbs that
use ultraviolet LEDs rather than the standard blue ones, and different blends of
light - emitting phosphors that better approximate natural
light when operated at the low intensity needed to avoid damaging fragile pigments.
Using its latest camera, Hubble shows a wider and sharper view of the Eagle Nebula's «Pillars of Creation,» immense columns of cold gas bathed in the
ultraviolet light of nearby massive young stars.
Researchers at the National Institute of Standards and Technology (NIST) have put this hydrogen «cure» to practical
use, making optical fibers that transmit stable, high - power
ultraviolet laser
light for hundreds of hours.
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.
Unfortunately, they are also difficult to detect, so a system like the artificial white hole that can convert them to easily detected
ultraviolet light could find
uses in many lab settings, Faccio says.