ultraviolet

Strong ultraviolet radiation, easy to make skin flexible Keratosis lost, resulting in premature aging.

Ultraviolet light heats the edges of the dark cloud, releasing gas into the relatively empty region of surrounding space.

The ultraviolet light could make it possible to determine how long ago oil had washed up in a given region, Kirby said.

The sun's ultraviolet-B rays absorbed through the skin are the body's main source of this nutrient.

Scorpions glow under ultraviolet light, but scientists do not know why.

Light is often used as a water purifier and existing methods rely on processes stimulated by ultraviolet (UV) light.

The incoming tide churns the matter together. Ultraviolet light, like the sun, adds a heat source.

ULTRAVIOLET light has long been used in water-treatment plants to help with disinfection.

Ozone depletion seems to be leaving us more vulnerable to damage from ultraviolet (UV) radiation.

With the ultraviolet spotlight, Kirby was able to see individual particles of oil-stained sand rolling along the beach.

After passing through the Earth's atmosphere, most of the sun's energy is in the form of visible and ultraviolet light.

The ozone layer is the best protection of the Earth umbrella, it absorbs to come from big and parts of ultraviolet ray of the sun.

For other parts of the spectrum, such as the ultraviolet, satellites are necessary to see what objects in space are doing.

Birds perceive the world differently tohumans, being able to see light in the ultraviolet range of the spectrum.

due to ultraviolet radiation, there will be in the air to produce ozone. therefore, should have the means of ventilation.

STIS can see in ultraviolet, visible and near-infrared and has been used to examine black holes, quasars and planets.

Simpson said the water, treated by a filtration system and ultraviolet light, softened clients' skin.

up to now , the visible emission and ultraviolet lasing emission of zno have been the subject of much research.

Kirby said he doesn't know of a more effective oil-detecting tool than ultraviolet light.

He said there is no safe way to operate such a spa, and some infections are resistant to ultraviolet light.

The system is equipped with an ultraviolet lamp and a halogen lamp that produces near-infrared light.

Use the Sun's rays to recognize the hand heating, can also be used for detection of common ultraviolet lamp.

Light may be emitted in ultraviolet or infrared wavelengths to produce a hyper spectral image.

In this paper, the surface property of pulp fibers was improved by the ways of bulk graft and ultraviolet radiation graft.

Used for testing textile's ultraviolet transmittance and anti-ultraviolet performance and anti-ultraviolet coefficient.

Methane molecules are easily blown apart by ultraviolet light from the Sun, so any methane around must have been released recently.

As a result, every tr an spl anted cell glowed under ultraviolet light and was easy to tr ace.

Shown in ultraviolet light, the relatively cool dark regions have temperatures of thousands of degrees Celsius.

and rubber asphalt can be used for low grade cement concrete pavement where the ultraviolet ray is weak and temperature is higher.

On its way out of the garden, the water is further sterilized by ultraviolet light in the pipes.

The concentration measurement of novel water-soluble polymers used in EOR by means of ultraviolet spectroscopy is discussed.

The orthogonal testing and ultraviolet spectrophotometry were used to determine the adsorption performance of organic bentonite clay.

When bombarded with ultraviolet rays from the sun, the lettuce leaf creates UV-absorbing polyphenolic compounds in its outer layer of cells.

Only ultraviolet (UV) light from the sun can create such an effect, Rumble says, in the course of breaking down sulfur dioxide gas.

Incandescent bulbs may be a bit safer than fluorescent bulbs, which do emit very small amounts of ultraviolet light.

"Single peak" of absorbance subtraction method in infrared spectrometry was used to determine mixtures in visible and ultraviolet spectra.

Such displays of ultraviolet light on Earth are referred to as the northern and southern lights.

The thermosphere, which blocks harmful ultraviolet rays, expands and contracts regularly due to the sun's activities.

As the plane wave travels along, the pattern oscillates rapidly, causing it to emit ultraviolet radiation that the researchers observe.

It is possible that they simply are not vulnerable to ultraviolet radiation, with or without protective shells.

It is like an umbrella, blocking the sun's ultraviolet rays from.

It breaks down collagen, causes wrinkles and sagging. Ninety percent of your wrinkles are caused by the sun's ultraviolet light.

The particles are often colored and usually coated with fluorescent dyes that are made visible with a hand-held ultraviolet (UV) light.

No other gases would be present to prevent ultraviolet solar radiation dissociating water vapour at the top of the atmosphere .

ATMOSPHERIC POLLUTION. DETERMINATION OF THE SULPHUR DIOXIDE CONTENT OF THE AMBIENT AIR BY MEANS OF ULTRAVIOLET FLUORESCENCE.

If UV emulsive cause UV ink film opaque effects of ultraviolet radiation energy, passing rate, which slow down the drying time of the film.

Objective To understand partial response of herpes zoster to ultraviolet radiation, and find other methods of herpes zoster treatment.

There, additional ultraviolet radiation causes the hydrogen gas to glow, which produces the red halo of light seen around the pillar.

The germination rate of the spores were decreased with increase of intensity and time of radiation under ultraviolet lamp.

The ozone layer prevents the Sun's dangerous ultraviolet radiation reaching the Earth where it would damage our skin and cause cancers.

Quality sunglasses protect the human eyes from being destroyed by the sun's ultraviolet radiation.

Reactions between oxygen and ultraviolet radiation from the sun create a layer of ozone throughout Earth's stratosphere (upper atmosphere).

Ultraviolet (UV) radiation from the sun can burn your skin AND the corneas and conjunctivas of your eyes.

In those early days of our evolution, looking at the equator, we were bombarded by high levels of ultraviolet radiation .

She and four other beagles all produce a fluorescent protein that glows red under ultraviolet light.

PMLE is thought to be caused by an immune reaction to a compound in the skin which is altered by exposure to ultraviolet radiation.

In these ozone-depleted times, most of us reach for a T-shirt or a bottle of sunscreen to protect us from the sun's ultraviolet radiation.

Sculpted by the strong stellar winds and ultraviolet radiation, the glowing hydrogen clouds are known as H II (ionized hydrogen) regions.

At least a portion of the inner surface of the housing (2) is capable of reflecting the ultraviolet radiation.

Any visible contaminant is not allowed to appear on cleared surface under bright light or ultraviolet radiation.

The Sun converts nuclear energy into light, heat, ultraviolet radiation, and other forms of energy as electromagnetic waves.

The ultraviolet light is then converted to visible light by phosphors on the surface of the discharge tube.

Once sealed, our solar modules become weatherproofed and are able to withstand high levels of ultraviolet radiation and moisture.

And that could be the basis of a sunscreen, because sunscreens work by absorbing ultraviolet light.

The researchers suspect that the amount of ultraviolet light Earth receives from the sun explains the link.

With the ozone layer absorbing harmful ultraviolet radiation, life colonized the surface of Earth.

Hydroxybenzotriazole-based compounds are useful for ultraviolet light absorbing additives for a variety of applications.

Thanks to the appearance of the new-style ultraviolet lamp-house, the technique of ultraviolet radiation has developed quickly.

Ultraviolet radiation is one of the main factors induce asphalt binder aged in the field in-service.

Ozone is a gas molecule made up of three oxygen atoms best known for shielding the earth from the sun's dangerous ultraviolet rays.

Whales are continuously exposed to the sun and are now suffering skin damage as ultraviolet radiation increases.

The body gets most of its vitamin D not from diet but from skin exposed to the ultraviolet B radiation in sunlight.

Ultraviolet light is needed to activate production of vitamin D in the body, which prevents rickets, osteomalacia and osteoporosis.

Below 60km, ionization is not due to the sun's ultraviolet and x radiation primarily, but to cosmic radiation.

The effective constituent of saponin was identified with thin-layer chromatography and was with ultraviolet spectrophotometry.

Also, should African-Americans use sunscreen since it blocks the ultraviolet rays needed for the body to make vitamin D?

Ultraviolet radiation and other hazards would most likely lock life away beneath the surface of the Red Planet, he notes.

The treatment of a disorder, especially of the skin, by exposure to light, including ultraviolet and infrared radiation.

Light texture, like the comfort of protective skin layer, melanoma and other powerful incentives to resist ultraviolet radiation.

It says ultraviolet radiation from the sun can reach you on cloudy days, as well as bright and sunny ones.

What method does the allergy of skin ultraviolet ray that the sun basks in have to treat?

However, it is said to still offer adequate protection from the harsh cold of space and the sun's intense ultraviolet radiation.

A few perfume still can be had chemical change by ultraviolet illuminate, cause dermatitis disease.

The humidifier, the far-infrared equipment and the ultraviolet equipment all refer to any commercial product.

ultraviolet radiation: Portion of the electromagnetic spectrum extending from the violet end of visible light to the X-ray region.

Transmission by ultraviolet fiber is not suitable for long distance considering the great losses and the sensitivity limited of detector.

Mosquitoes, which do not see ultraviolet light, were unaffected by the filters .

Such tunability might be achieved by many means: ultraviolet light, electricity, temperature, solvent and acidity.

Methods The double wavelength ultraviolet spectrophotometry method was studied to determine the content of tobramycin and dexamethasone.

If you want a particularly high gloss, ultraviolet (UV) coatings for one of the most desirable.

The glowing material at far right is part of a stream of particles in the jet that speed up and glow in the ultraviolet.

The utility model relates to a easy cleaned ultraviolet lamp device, which belongs to the technical field of a medical appliance device.

Method of measuring and specifying the uv-radiation of ultraviolet lamps used for sun-tanning.

Ozone prevents most of the sun's harmful ultraviolet radiation from reaching Earth's surface.

On the first date, at the German Physical Society, Max Planck presented a resolution to the Ultraviolet Catastrophe.

The experimental results show that the distribution of ultraviolet irradiance can be homogenizing by changing gray value.

Ultraviolet radiation causes skin cancer including malignant melanoma, a form of the disease that can be fatal and other health problems.

Solar cells work because visible and ultraviolet light are powerful enough to knock electrons free from atoms.

This experiment showed that after being radiated by Ultraviolet, silk fibroin became more brittle and easier to be milled obviously.

Asthmatics, at least, could benefit from measured doses of ultraviolet rays, according to scientists.

Snow, sand and sea foam reflect ultraviolet light, the report notes, and thinning ozone filters out less and less of it.

comparing with epoxyethane sterilizing process, ultraviolet sterilizing could preserve NGF bioactivity, with no significant damage.

The boys could not be exposed to any ultraviolet rays, or they ran the risk of almost certain skin cancer.

At the same time the heat stabilizer and ultraviolet absorbent can effectively improve thermal aging property of the composites.

The chirped multilayer mirror in the extreme ultraviolet region can be used to select some high harmonics and compensate the chirp.

The invention relates to a novel method for preparing an anti-adhesive silicon coating on a base under short ultraviolet radiation (UV-C).

Therefore, ultraviolet signal can be converted effectively into visible light signal utilizing this conversion screen.

Through exposing the cladding photosensitive fiber to periodic ultraviolet, the new cladding index modulated fiber grating can be formed.

On its own, titania works best as a catalyst for this reaction in ultraviolet light.

Astronomers found the halo using NASA's Far Ultraviolet Spectroscopic Explorer (FUSE) satellite to peer beyond the edges of our home galaxy.

Made of boron or quartz glass tube which can be penetrated by ultraviolet ray.

Woodland was fascinated by this problem and his idea was to use ultraviolet ink.

Objective: To Establish a fast accurate ultraviolet spectrophotometric method for determination carbazochrome injection content.

The researchers believe that the sunburns will worsen over time, due to increased ultraviolet radiation exposure.

Benzotriazole, o - hydroxyl benzophenone, salicylic acid and esters comprise several important types of ultraviolet - absorbents (UAS).

The charter V studied the absorption character ultraviolet and infrared light for a-C films on both glass and single crystalline silicon.

Hubble gives astronomers a unique near-ultraviolet view of the flare that cannot be accomplished with ground-based telescopes.

Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.

Urine reflects ultraviolet light. And to a kestrel searching for food, these trails are perfectly visible from the air.

A sensor used for ultraviolet detection, which pertains the field of photoelectron technology.

UV special blanket: blanket mixture by adding anti-UV resin composition and not susceptible to UV ultraviolet, rubber and of chalking.

Vitamin C rich essence of the plant to help enhance the skin's ability to resist ultraviolet light.

Process used to detect very small cracks; uses magnetic particles and inspection under an ultraviolet light.

The utility model relates to an electronic watch capable of measuring ultraviolet intensity.

Remote sensing techniques are useful in ultraviolet, visible infrared, and microwave regions of the electromagnetic spectrum .

Methods The enzyme activities were measured in vitro with an ultraviolet-visible spectrophotometer.

Do not use the luminaire in corrosive environment or intensive ultraviolet.

Methods: Blood concentration of theophylline was determined by double-wavelength ultraviolet spectrophotometry.

In this layer, the sun's ultraviolet light forms ozone by splitting oxygen molecules into atoms.

Under ultraviolet ray, was also we says black light, these catabolism produced the fluorescence, sent out the blue color ray.

Temperature, ultraviolet irradiation and mensurable salt and sugar nearly had no influence on the antimicrobial effect of olive extract.

Nonstick Coatings, Ultraviolet-Cured Coatings, Industrial Coatings, Automotive Coatings, Powder Coatings, etc.

Snakes have infrared sensors, and bees can see some ultraviolet light, but they're among the few exceptions to the rule.

The heat insolation since the majority, prevent infrared ray, defend the action such as ultraviolet ray, explosion proof.

however , the modulation - demodulation of ultraviolet and voice transmission are the key technologies.

METHODS The ultraviolet spectrophotometric method was used to measure P450 concentration of hepatic microsomes.

Green tea may also reduce reactions to ultraviolet light as well as the visual signs and symptoms of rosacea.

It was "painted" by hundreds of baby stars on a canvas of gas and dust, with intense ultraviolet light and strong stellar winds as brushes.

Living in an area with highambient ultraviolet radiation also was associated with an increased risk ofmelanoma, the researchers found.

The technology to help you in outdoor sports in the harassment against ultraviolet radiation.

The coating can be applied to most optical substrates from the ultraviolet to the near infrared.

A method for qualification and quantification of hydrazinium nitroformate(HNF) by ultraviolet spectrophotometry was established.

Electromagnetic radiation with frequencies in the ultraviolet and visible region can be absorbed by molecules .

Because Mars lacks ultravioletabsorbing gases, atmospheric water molecules would have been easily broken apart by ultraviolet photons.

Personal eye-protection - Ultraviolet filters - Transmittance requirements and recommended use.

This one was mainly due to oxygen molecules by ultraviolet sunlight of the role of the Gwanghwamun, the oxygen molecules into ozone.

Two active regions glow brightly in this ultraviolet image of the Sun.

Sunburn is due to overexposure of the skin to ultraviolet rays of the sun or a sun lamp.

Ultraviolet sensitive photocathodes are also used in cameras in rocket and balloon-bome experiments.

Aim To optimize the measurement condition of hydrocarbon in geochemical samples by ultraviolet spectrometry and fluorescence spectroscopy.

To establish an ultraviolet spectrophotometry for the determination of the sodium benzoate in fruit and vegetable salt.

The sun's ultra' ultraviolet rays react with skin cell cells to produce vitamin D.

Apart from two pictures of the driver's head and shoulders, the licence contains other images that are visible only under ultraviolet light.

These include high-pressure processing, pulsed electric fields, radio-frequency electric fields, ultraviolet light, and irradiation.

Objective To establish a method for determining the content of amantadine hydrochloride tablets by ultraviolet visible spectrophotometry.

PETROLEUM PRODUCTS. DETERMINATION OF SULFUR IN PETROLEUM PRODUCTS. COMBUSTION AND DETECTION BY ULTRAVIOLET FLUORESCENCE.

When exposed to ultraviolet light, azobenzene molecules rearrange themselves internally, a process called isomerisation.

Objective: To determine the suitable dose of narrow-band ultraviolet and offer the theory support for the clinical use.

Evaluating the tyrosinase inhibition activity by ultraviolet spectrophotometry.

Too much exposure to the sun's ultraviolet rays can cause skin cancer.

Propofol concentration was determined by high performance liquid chromatography with ultraviolet detection.

METHODS: The blood concentration of ampicillin was determined in compatible group and ampicillin group by ultraviolet spectrophotometry.

Excited by the current, the mercury atoms emit ultraviolet light, which bombards the phosphor coating on the inside of the tube.

The invention discloses a transparent flexible ultraviolet detector and simultaneously discloses a preparation thereof.

An ultraviolet ray mosquito trapping lamp power supply and a DC charging circuit are set in the base station.

Many fish, however, can see colors that we do not, including ultraviolet.

The enclosed work areas known as hoods are decontaminated with ultraviolet light.

Supernatants from ultraviolet (UV)-inactivated RCMV-infected cells failed to induce AG, indicating that virus replication is required.

High-energy ultraviolet radiation treatment group, catgut implantation, ear pricking, ear pressure medicine approach to treatment.

Observation of surface sunny ultraviolet radiation is mainly done by the UV spectroradiometer and filter ultra violet radiation meter.

A supernova's radiation would destroy the ozone in the atmosphere, increasing the amount of ultraviolet light that gets through.

Objective: To determine the differences of the effect of ultraviolet-B(UVB) on lymphocyte and hematopoietic progenitor cell in cord blood.

The ultraviolet spectrophotometry(the colorimetry) is the common mensuration for determining general flavone of bamboo leaves extract.

Others have created skin-tissue cultures that glow colour fully under ultraviolet light by splicing in a gene from a species of coral.

Scientific studies have shown that repeated ultraviolet (UV) exposure breaks down collagen and impairs the synthesis of new collagen.

Ultraviolet Spectroscopy was used to test the inclusion effect and the equilibrium constant.

Besides, the cap is covered with a special coat to screen sunlight, rain and even the ultraviolet rays.

The findings indicated that the anti-ultraviolet and anti-wrinkle properties of the fabric enhanced distinctly.

Next, in step five a transparent polyester film or ultraviolet activated dielectric coating is applied to the entire surface of the lamp.

Our Products--antimagnetic filtering, fire retardant, insulation, anti-ultraviolet, anti-corrosion.

The filters cover various wavelengths over the ultraviolet, blueand red portions of the electromagnetic spectrum.

Bank notes contain certain patterns which can only be seen under ultraviolet light.

But it also says there is no evidence to support disinfecting toothbrushes in the microwave or with ultraviolet devices on the market.

Quenching agents could be particularly effective in combination with ultraviolet absorbers.

Slope of the long ultraviolet UVA damage to the skin very large ', particularly in the spring.

The synergistic effect of oxygen and (or ) ozone in atmosphere with ultraviolet also led to the adhesion failure of adhesive.

Methods: Determination of tryptophan content in Compound amino acid injection by Ultraviolet spectrophotometry.

Ultraviolet and infrared radiation spectroscopy technologies help to monitor trace gases in the atmosphere.

It takes more than sunscreen to keep the sun's ultraviolet rays from harming your skin.

The great gas pillar is being eroded by the ultraviolet radiation from the hottest newborn stars in the nebula.

LED light contains no mercury. There is no ultraviolet radiation and infrared ray in led light spectrum and no radiation to people.

abstract: OBJECTIVE To explore the air disinfection effect and safety of ozone and ultraviolet ray in operating room.

ERRC has also investigated ultraviolet (UV) light and irradiation technologies as alternatives or complements to thermal processing.

Information about the shadow of the electron orbital as seen by the traveling electron wave is imprinted on the ultraviolet emission.

Ozone in the stratosphere is important because it absorbs some of the Sun's dangerous ultraviolet radiation.

The incrementally cooler colors , blues , greens, yellows, and finally grays , indicate areas of much lower ultraviolet radiation .

The same footprints, seen under ultraviolet light, are shown to be heavily contaminated by oil.

In the use of UV-curing inks, should strive to avoid screen under ultraviolet irradiation, also need to avoid the sun shines.

Ultraviolet radiation threatens other forms of life as well.

At present, international ultraviolet radiation, the radiation resistance of fabric testing standards have several.

Photochemical smog: Smog produced by action of solar radiation, especially of ultraviolet radiation, on exhausts from vehicles and industry.

The sun's ultraviolet rays react with skin cells to produce vitamin D.

The ultraviolet method uses ultraviolet light to break the bond between oxygen molecules.

Investigating the solubilization by Ultraviolet Spectroscopy.

Sunburn: Acute skin inflammation caused by overexposure to ultraviolet radiation from sunlight or other sources.

A method was developed for the determination of trace impurity affecting ultraviolet transmittance in ethylene glycol.

UV ink have to use UV drying, however, ultraviolet (UV) may on human skin and eyes a certain amount of damage.

In recent 10 or more years, with worsening of the humanity environment, the ultraviolet ray have caused great damage to the human being.

Aimed at interfering the guided weapon which has characteristics of infrared-ultraviolet radiation, the smoking-lighting chaff was studied.

including pollution, overfishing, increasing levels of ultraviolet tradiation due to ozone depletion and habitat alteration.

Results and configuration of a high-repetition-rate pulsed-discharge TEA CO2 laser with spark-pins ultraviolet preionization are described.

This layer is exposed to ultraviolet light through a mask that represents the required pattern.

Harmful ultraviolet rays from the sun are directly linked to melanoma and other forms of skin cancer.

If electrical failures happen and no solar flares are present, NASA can preach the new SDO findings about delayed ultraviolet radiation.

The other is the synthesis method of ordered mesoporous silica and its photoluminescence in the ultraviolet range.

Some molecules are designed to break open when exposed to heat, ultraviolet light or ultrasound.

First, high-energy sunlight, mostly x-rays and ultraviolet light, ionizes Earth's upper atmosphere, interfering with radio communications.

The maximal deflexion and drive force of PLZT bimorph driver under ultraviolet illumination were attained from material dynamics analysis.

Using it, astronomers will observe young, hot stars that glow predominantly in the ultraviolet part of the spectrum.

The inner corrosion is mainly urine, eroding and carbonization. The outer corrosion is mainly caused by the air and ultraviolet radiation.

This paper briefly presents determination of nitrate in water using ultraviolet spec -to photometric . depend . correctness.

When you go out in the sun, ultraviolet light penetrates into living skin cells, and it starts damaging and killing those cells.

Microwave electrodeless ultraviolet photocatalytic oxidation technology in 2009, second prize of national science, technology and invention.

OBJECTIVE To develop an ultraviolet spectrophotometry method for the assay of silybin in silybin lipid nanoemulsion.

Material properties and mechanical behaviors of asphalt have been altered by ultraviolet aging.

The test results proved that the method of determining contents of NFC with the ultraviolet spectrophotometer is quick and accurate.

The trick the researchers use to boost the cleansing action of ultraviolet is to add a light-activated catalyst to the effluent.

Biological samples were analyzed by high performance liquid chromatography coupled to ultraviolet detection (HPLC-UV).

Now he and his collaborators use several methods, including mass spectroscopy and ultraviolet probes.

The contents of isoflavones in red clover were determined by ultraviolet spectrophotometry and compared with the biochanin A as control.

Here's another little flower -- different range of ultraviolet frequencies, different filters to match the pollinators.

Because ultraviolet rays also trigger the synthesis of vitamin D in the skin, sunlight is an important source of the vitamin.

Clear natural, anti-impact, affectively stopping ultraviolet radiation, scattered light.

Water in diesel fuel emulsions - Determination of sulfur - Combustion and detection by ultraviolet fluorescence.

Researchers believe that these growths are caused in part by long-term exposure to the ultraviolet rays contained in sunlight.

The ultraviolet-visible spectroscopy and chemical reduction behavior of a series synthesized ployviologen are studied in this article .

The photo appears the polar lights are blue in terms of using ultraviolet camera, however, which is seen red by planet observers.

Ultraviolet radiation-induced photodamage of the skin plays a large role in the growth of these skin cancers.

It has been suggested that ultraviolet (UV) vision is beneficial for the detection of planktonic prey.

Ozone can be beneficial-the ozone layer in the stratosphere helps protect us from harmful ultraviolet rays.

Objective To explore the curative effects of ultraviolet, violet and green light irradiation therapies on cerebral infarction.

Outstanding aging resistance against ozone, heat, ultraviolet radiation and atmosphere.

METHODS Colored with magnesium acetate and determined by ultraviolet spectrophotometry.

Method: After the injection of progesterone, chronically constrained them and gave them partially ultraviolet radiation.

The necessary instruments for analysis include microscope with 60 fold magnification, infrared spectrograph and ultraviolet spectrograph.

The ozone layer is a thin region of the upper stratosphere which protects us from ultraviolet radiation.

Synthesis technology of UV resistant polyester chip with organic and inorganic ultraviolet screening agent was discussed in this paper.

For those who have reservations, some sunscreens are now made without oxybenzone, though they may not offer the same ultraviolet protection.

It has been suggested that oxidative stress, generated by ultraviolet radiation (UVR), leads to photoaging over a long period.

Tunable ultraviolet (UV) lasers have important applications in scientific research and high technology fields.