<\/p>\n
+ A few hundred million years after Cosmic Dawn, the first stars produced enough ultraviolet<\/strong> photons to re-ionize essentially all the universe’s hydrogen atoms.\n<\/p>\n <\/p>\n + Bee-pollinated flowers tend to be yellow or blue, often with ultraviolet<\/strong> nectar guides and scent.\n<\/p>\n <\/p>\n + This protects the chloroplast and cell nucleus from strong visible and ultraviolet<\/strong> radiation.\n<\/p>\n <\/p>\n + It also protects the rubber from fungi and ultraviolet<\/strong> light.\n<\/p>\n + Photons with wavelengths of 10-400nm are called ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + Some EPROMs can be cleared using only electricity instead of needing ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + During their lifetime, they emit huge amounts of ultraviolet<\/strong> radiation.\n<\/p>\n <\/p>\n + Before that, they took pictures using ultraviolet<\/strong> light using the pre-COST Faint Object Camera.\n<\/p>\n <\/p>\n + In some bulbs, the ultraviolet<\/strong> light shines on phosphors which make white light from it, although not all mercury-vapor lamps use phosphors.\n<\/p>\n <\/p>\n + Mercury makes a blue to ultraviolet<\/strong> color in a tube when a spark is passed through it.\n<\/p>\n <\/p>\n + It releases ultraviolet<\/strong> light which can damage the eyes.\n<\/p>\n <\/p>\n + Later in her life, it became possible to launch instruments on rockets and she extended her work to the ultraviolet<\/strong> spectral lines.\n<\/p>\n <\/p>\n + The short-lived blue stars formed in these regions give off huge amounts of ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + Therefore, humans that live in places with more ultraviolet<\/strong> light have adapted by getting darker skins.\n<\/p>\n <\/p>\n + The paint was put to protect the external tank from ultraviolet<\/strong> light when it was standing on the launch pad.\n<\/p>\n <\/p>\n + To find their prey, salamanders use trichromatic color vision in the ultraviolet<\/strong> range.\n<\/p>\n <\/p>\n + That is why honey guides on flowers are so noticeable in ultraviolet<\/strong> light photographs.\n<\/p>\n <\/p>\n + Usually this refers to ultraviolet<\/strong> radiation, but there are also some organisms which can repair damage caused by gamma radiation.\n<\/p>\n <\/p>\n + Higher-energy radiation, including ultraviolet<\/strong> radiation, usually “is” carcinogenic, if a person is exposed to it long enough.\n<\/p>\n <\/p>\n + There are pink clouds of glowing hydrogen gas that fluorescencefluoresces when exposed to ultraviolet<\/strong> light from newly made stars.\n<\/p>\n <\/p>\n + Light with a wavelength shorter than violet is called ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + Reasons why the cancer would form is because of Merkel cell polyomavirus, a weakened immune system, and exposure to ultraviolet<\/strong> radiation.\n<\/p>\n <\/p>\n + The ultraviolet<\/strong> radiation given off by the center of the star ionizes the gas and plasma that was thrown out from the star.\n<\/p>\n <\/p>\n + These glow faintly with infrared light and obscure distant views at extreme ultraviolet<\/strong> and soft x-ray wavelengths.\n<\/p>\n <\/p>\n + If it is necessary to use ultraviolet<\/strong> light then the lamp and filters must be changed.\n<\/p>\n <\/p>\n + On June 3, 2014, NASA released the Hubble Ultra-Deep Field image composed of, for the first time, the full range of ultraviolet<\/strong> to near-infrared light.\n<\/p>\n <\/p>\n + Polarization pattern: Light scattered in a blue sky forms a pattern of partially polarized ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + As more stars formed, and the first galaxies formed, they flooded the universe with ultraviolet<\/strong> photons capable of ionize hydrogen gas.\n<\/p>\n <\/p>\n + The common dark pigment melanin often has the function of protection against sunlight and ultraviolet<\/strong> radiation.\n<\/p>\n <\/p>\n + Butterflies do not see as many colours as humans, but they can see ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + As the material contracts, massive stars may form in the center, and their ultraviolet<\/strong> radiation ionises the surrounding gas, making it visible at optical wavelengths.\n<\/p>\n <\/p>\n + Because they are common in our galaxy, they obscure distant views at extreme ultraviolet<\/strong> and soft x-ray wavelengths.\n<\/p>\n <\/p>\n + Many compounds will be illuminated when the TLC plate is placed under an ultraviolet<\/strong> lamp.\n<\/p>\n <\/p>\n + The ultraviolet<\/strong> light can kill germs or light fluorescent lamps.\n<\/p>\n <\/p>\n + The frequency range used covers not just visible light but whole the spectrum from the microwave range, the terahertz range, infrared light, visible light up to the range of ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + Beaks can have color spots that can be seen in ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + Another material, commonly called “ultraviolet<\/strong><\/strong>UV Top Coat hardens under ultraviolet<\/strong><\/strong> light.\n<\/p>\n <\/p>\n + The red pigment of some species is an intracellular protection against excessive visual light and ultraviolet<\/strong> radiation of the sun, which otherwise can cause photoinhibition of photosynthesis or mutations.\n<\/p>\n <\/p>\n + Ordinary glass does not let radiation through if its wavelength is less than 200nanometers, so it acts as a shield against the more dangerous range of ultraviolet<\/strong> light, but some special sorts of glass do not shield as well, including many car windows.\n<\/p>\n <\/p>\n + Recent and ongoing destruction of ozone in high altitudes caused by human influence\u2014mostly by industrial chemicals and air travel\u2014has greatly increased the amount of ultraviolet<\/strong> light reaching the Earth’s surface.\n<\/p>\n <\/p>\n + Without sunscreen too much ultraviolet<\/strong> light can cause sunburn and skin cancer.\n<\/p>\n <\/p>\n + Many insects have colour vision in the ultraviolet<\/strong> range, which humans do not.\n<\/p>\n <\/p>\n + They can see ultraviolet<\/strong> or infrared light.\n<\/p>\n <\/p>\n + Besides ultraviolet<\/strong> light, which makes up most of the light produced by these lamps, there is also a little violet and blue light.\n<\/p>\n <\/p>\n + Zinc sulfide is used to convert ultraviolet<\/strong> light to visible light.\n<\/p>\n <\/p>\n + It can be seen from outer spacespace using telescopes that can sense ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + A tanning bed is a device that emits ultraviolet<\/strong> radiation to give people a tan.\n<\/p>\n <\/p>\n + The historical photography process used gum arabic mixed with Ammonium dichromateammonium or ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + The Earth’s ozone layer protects life from the Sun’s harmful ultraviolet<\/strong> rays, but in the 1970s, scientists found out that some chemicals let out into the atmosphere makes the ozone turn into oxygen.\n<\/p>\n <\/p>\n + For example, ultraviolet<\/strong> radiation can give people sunburns.\n<\/p>\n <\/p>\n + Generally, a radiometer is an infrared radiation detector or ultraviolet<\/strong> detector.\n<\/p>\n <\/p>\n + This was called the ultraviolet<\/strong> catastrophe.\n<\/p>\n <\/p>\n + They protect cells from high-light damage by absorbing blue-green and ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + Tanning beds use a special fluorescent lamps that creates visible light and ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + Other works use ultraviolet<\/strong> light, the kind of light that causes a sunburn.\n<\/p>\n <\/p>\n + Skin pigmentation in human beings evolved mainly to control the amount of ultraviolet<\/strong> radiation penetrating the skin, thus reducing its effects.\n<\/p>\n <\/p>\n + It could only give off infrared light and could not give off even ordinary red light, much less any higher energy light such as ultraviolet<\/strong> light or x-ray radiation.\n<\/p>\n <\/p>\n + EPROMs are cleared by shining ultraviolet<\/strong> light on the clear opening on their top.\n<\/p>\n <\/p>\n + All tanning beds have a timer, a device to limit the amount of time the person is exposed to the ultraviolet<\/strong> light.\n<\/p>\n <\/p>\n + This layer has high temperatures because it absorbs X-rays and extreme ultraviolet<\/strong> radiation from the Sun.\n<\/p>\n <\/p>\n + Pigments absorb the ultraviolet<\/strong> radiation, so it does not get through the skin to kill or injure cells inside.\n<\/p>\n <\/p>\n + Phosphors are used in many types of lighting, including fluorescent bulbs where they change the ultraviolet<\/strong> light produced by excited mercury vapor into visible light.\n<\/p>\n <\/p>\n + Use of tanning devices can cause skin cancer because ultraviolet<\/strong> goes through the skin and causes destruction to cells, causing sunburn.\n<\/p>\n <\/p>\n + Reducing ozone lets more ultraviolet<\/strong> light to come through.\n<\/p>\n <\/p>\n + The X-rays, gamma rays, ultraviolet<\/strong> light and parts of the infra-red spectrum were all opened to astronomy as observing telescopes were launched.\n<\/p>\n <\/p>\n + Chemical reactions, heat, ultraviolet<\/strong> light or special glasses are used to make invisible ink visible.\n<\/p>\n <\/p>\n + Their electromagnetic spectrumspectra contain moderately strong ultraviolet<\/strong> absorption at wavelengths below about 0.4 \u03bcm to 0.5 \u03bcm, while at longer wavelengths they are very featureless but slightly reddish.\n<\/p>\n <\/p>\nExample sentences of “ultraviolet”:<\/h2>\n
+ Photons with wavelengths of 10-400nm are called ultraviolet<\/strong> light.\r\n
+ Some EPROMs can be cleared using only electricity instead of needing ultraviolet<\/strong> light.\r\n
+ During their lifetime, they emit huge amounts of ultraviolet<\/strong> radiation.\r\n
<\/pre>\nMore in-sentence examples of “ultraviolet”:<\/h2>\n
+ If it is necessary to use ultraviolet<\/strong> light then the lamp and filters must be changed.\r\n
+ On June 3, 2014, NASA released the Hubble Ultra-Deep Field image composed of, for the first time, the full range of ultraviolet<\/strong> to near-infrared light.\r\n
+ Polarization pattern: Light scattered in a blue sky forms a pattern of partially polarized ultraviolet<\/strong> light.\r\n
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