How To Use Light source In A Sentence
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In warm light colours also warm body colours make themselves felt in a pleasant way, whereas the low proportion of short-wave radiation of these light sources more or less kills cold colours such as bluish green, blue and purple.
2. Elements
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All electrical wiring had been burnt through, so the team had to rely on their own portable light sources.
Times, Sunday Times
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The former Really Wild Show presenter "craved" fresh air, but the nearest natural light source was back at the surface - 12 hours 'climb away.
Home | Mail Online
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Inexpensive measures can potentially enhance conspicuity - for example, adding a light source and the use of light, bright, reflective, or fluorescent colours.
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An alternative solution to the mixed light problem is to change the colour of one light source to match the other.
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Their black and white poster-size prints use video projections as light sources, providing time-elapsed post-exposures of the images.
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As one of the most promising light sources, white LED has many advantages, such as high luminous efficiency, high luminous intensity, long life period etc.
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For years the treatment for people with SAD has been to use a simulated light source.
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Shader types: surface, light source, displacement, transformation, volume, image.
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An optical pickup generates spherical aberration in a laser light emitted from a semiconductor laser becoming a light source by moving, in the direction of the optical path, a collimate lens.
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Most light sources do not radiate equally in all directions.
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Other possible uses for electron field emitters would include-flat panel displays and new kinds of light sources.
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The arrow at the left represents the light source.
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Fluid is instilled around the veins, and they are then illuminated from beneath the skin with a powerful light source.
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A motor vehicle headlight has a light source cooperating with optical means to produce a beam which is generally spread widthwise.
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It is important never to leave a lighted endoscope or light source lying on surgical drapes.
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The utility model discloses an improved novel super pressure multifilament bulb used for electric light source illumination.
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It presupposes the false theory that the size of small light sources is accurately gauged by the naked eye.
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This system uses ambient light rather than an artificial light source.
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Alternatively, the trap can be a collector separate and apart from the electrodes of the light source.
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Our main products are light sources and modules that enable plastic optical fibre to be used for high bandwidth, low-cost links with large data capacity.
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In other words, for a light meter to read 1 foot-candle from a uniform point source of light that is 1 ft. away, a light source of about 12.57 lumens is required.
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The clasp makes contact with the other terminal of battery to energize the light source.
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The light source was a halogen lamp and light intensity was varied with neutral density filters.
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Too often, high-efficiency light sources are connected to a manual switch.
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If the suspect ivory is held up to a light source so that the stripes are visible and then revolved slowly horizontally through 90 degrees, the light and dark stripes on genuine ivory will become less pronounced or disappear.
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A new demodulation method of fiber Bragg grating(FBG) sensing signal, which is by making use of the monotonic decline section of an amplified spontaneous emission (ASE) light source, is proposed.
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Instead of the usual studio lighting he used the available light sources visible in the shot, such as lamps, Christmas tree lights and so forth.
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A candle is practically useless as a light source.
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The cloven nanometer line is connected with light source and power supply to constitute nanometer laser.
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Whereas their illumination is reliant upon an interior light source concealed and diffused through an exterior, these lamps instead generate light directly from their entire exterior surface.
Halloween Decor : Noose Hanging Lamp
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By the term special a special mechanical version, special light source or special optical equipment of a lighting fitting is understood.
8. Lighting Fittings
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Alternatively, the fire screen is created in haematite (black steel) plate, possessing the attribute of projecting shadow, even when the fire is extinguished or the light source removed; running on its shadow.
Really Creative Fireplaces Designs by Anne Colombo
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An array of lenticular microlenses may be positioned to accept the output of the microprisms so that the light exiting from the microlenses is a substantially collimated light source.
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The invention discloses a kind of light source module, which includes cathode ray tubes, heat dispersing cavity, photics film, light filtering layer and cooling fluid.
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The aim of our study was to establish such an action spectrum by using different polychromatic UV-B light sources.
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A candle is practically useless as a light source.
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The results demonstrated that in free-swimming spheroids, only those cells of the anterior hemisphere that face toward the light source reverse the beating direction in the presence of illumination; this behavior results in phototactic turning.
BioMed Central - Latest articles
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Blood and other substances that react to luminol don't necessarily react to an alternate light source, and the areas that luminesced earlier are dark.
Predator
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But there are lighting markets that LEDs will have difficulty penetrating even when they are the most efficient white light source, namely retrofit markets for standard light bulbs (i.e. you will keep your CFLs for some time yet.)
Alternative Energy Stocks
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The system's light source is invisible to the human eye, thus increasing operator comfort.
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A paper-thin chromatic wheel, made of light-battery material, turned magnetically and provided the varicoloured light source.
The Voyage of the Space Beagle
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You'll also need scissors, photographic paper, clear Plexiglas’ or heavy glass, processing chemicals in trays, a darkened room with a safelight and a sink, and a light source (an enlarger, perhaps).
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He or she attaches the illuminator to the light source, sets it at 1,000 lumens, and places the light source on standby to reduce the chance of burns.
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In some cases, building occupants used candles and cigarette lighters as light sources.
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A utility candle with waterproofed matches is not very useful as a light source for traveling in a cave, but it can provide a source of emergency heat and comfort lighting.
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With a stable light source, this can be determined from a preliminary observ ation.
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Artists cannot use photographs too slavishly, however, because the shadow on a sail in one photograph may be out of sync with the light source in the painting, the action on the water inconsonant with the direction of the wind.
Daniel Grant: Artwork That Is Judged on the Basis of Accuracy
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Conrad had even found one vault full of natural florae growing quietly underneath an artificial light source.
365 tomorrows » Sam Clough : A New Free Flash Fiction SciFi Story Every Day
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Unlike rainbows, fogbows are rare because the light source has to be low at the back of the observer and the fog mostly in the opposite direction.
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This is a long thin instrument with a light source at its tip, to light up the inside of the abdomen or pelvis.
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A slant angle of the dividing surfaces is set to one at which the light projected from the light source is reflected in a direction substantially parallel with a plate of the light guide plate.
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Daphnia magna has a light-sensitive eye, meaning that the eye will track a moving light source.
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What's more, because the new light source produces white light by mixing blue, green and red, the source can emit any color in the spectrum by varying the mix.
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Recent advances in technology have made production of luminous radiation that is perceived by the human eye as white light and that can replace conventional light sources.
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The trouble with the snooperscopes was that they needed their own light source - a searchlight that illuminated targets with an infra-red beam.
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The control system is operably associated with both the photosensor and the light source, to regulate the light source's light output in accordance with measurements received from the photosensor.
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That meant we had to work with only two light sources: the moon and infrared light.
Times, Sunday Times
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The version with the E27 socket is recommended when a soft ambience is required, whereas the version with the G12 socket and metal-halogen light source is recommended for environments in which a high level of light and lower energy consumption is needed.
New Lighting from Lightyears
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Designers use myriad combinations of light sources and luminaires to achieve this uniform visual effect.
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Essentially one sees an image of the light sources reflected on the pupil.
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A good alternative to burning your cold weather gear or wasting your light source batteries is to just go to the outdoor section of your local Wallmart or most outdoor and hunting suppliers and get your self a magnesium stick.
Build A Survival Fire With Condoms and Underwear
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The camera has a tiny light source, miniaturized transmitters, and power cells.
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The angle of elevation of the light source is always about 45°.
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For the light source, use a sunlit window with a thin voile net to soften the brightness of the sun.
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When a laser light source is used to stimulate the release of electrons, the process is called optically stimulated luminescence.
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An internal light source emits a lambent umber glow so that, in the gallery's dimly lit corner in which it sits, it looks like a meteor that just cratered into the floor.
James Scarborough: "Stay Free© or Die: The Menstrual Hut Project," International City Bungalow Gallery, Long Beach, California
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The technology is based on creating a virtual light source deep within tissue that transilluminates vessels.
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The viewing screen can be shaded to an extent from the sun or other directional light sources, by means of baffles, but the basic problem remains.
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A candle is practically useless as a light source.
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For example, the tonal scale of cyanotype varies from 9-11 steps with different light sources.
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Light Source Optimization Technology HD Video Capture endopod docking station that synchronizes data between device, network computer and ...
Megite Technology News: What's Happening Right Now
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Alongside the Salone Internazionale del Mobile, now in its 48th edition, together with the International Furnishing Accessories Exhibition this year will be Euroluce, the eagerly-awaited International Lighting Exhibition that sets the sectorial benchmark with its wide range and broad spectrum of goods that go to make up a unique lighting sector scenario – from light sources to domestic lighting, from technical illumination to urban illumination – embracing both technological and formal innovation.
Jason Sahler | Inhabitat
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Central to the success of the nanowire light source are the exceptional nonlinear optical properties of potassium niobate.
Future for Nano-sized Light Source | Impact Lab
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A narrow slit in front of the light source lets a small beam of light through to a device called a monochromator, which separates the wavelengths.
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I try to keep the second exposure in the 1 to 10 second range, but exposure time may be extended to several minutes if the light source is weak.
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In this context, the term radiation encompasses a wide range of light sources.
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LCD crystals do not produce their own light, so an external light source, such as florescent bulb is needed for the image created by the LCD to become visible to the viewer.
Yahoo! Answers: Latest Questions
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UV-B irradiation was performed either in the absence of other light sources or in the presence of white light.
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This is a long thin instrument with a light source at its tip, to light up the inside of the abdomen or pelvis.
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Besides, in PIC, the embedded active light source is necessary to provide local optical control or trigger signal in specific functional block.
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Malignant cells incubated with nanoshells and exposed to the light source showed signs of irreversible heat damage and cell death, but control cells were left undamaged.
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According to the law of conservation of momentum, the cell must lose an equal but opposite amount, so its membrane bends towards the light source.Sentence dictionary
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The dawn simulator consists of either a lamp or a small computerized device attached to a light source such as a tabletop lamp.
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Also, do not store the balls in direct sunlight or near a heat or light source.
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Color trends on the horizon include the significant rise in the use of color ‘effects’ like metallics, opalescents and colors that change depending on the light sources.
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Broad-spectrum ultraviolet radiation from the sun or artificial light sources was added as a known carcinogen.
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One of the earliest noted auxin effects was in phototropism, the curvature of stems toward a light source.
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For the night eye needs no artificial light source, like the snooperscopes of World War II, which merely detected the reflections of infrared light shot out by the scopes themselves.
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A variety of light sources have been used in the literature of photobiology.
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The scrub person and circulating nurse attach the camera and light source to the thoracoscope and the unipolar and bipolar cords to the electrosurgical unit.
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Focusing the condenser on a microscope without an iris diaphragm is carried out by removing the slide from the stage and placing a piece of thin card half-way across the light source aperture.
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To get their photons, they used two different light sources: a laser with the power turned down so that it only emitted one photon at a time, and a source of quantum light called heralded single photons.
Ars Technica
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While traditional light sources are unreliable and sometimes even unsafe incandescent bulbs can sometimes explode due to fluctuant voltage, LED lights are durable, reliable, safe and efficient.
System Led | Surveillance
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Interior designers and architects will want to employ rich, dark finishes and tungsten light sources.
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Phototropism is a plant's growth response to a direct light source and gravitropism is its growth in response to gravity.
PhysOrg.com - latest science and technology news stories
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Basically I seem to have designed a device which will collimate an extended light source.
Make - All Discussions
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The six channel instantaneous optical pyrometer is used to measure the thermal radiation of the light source at six bands from visible to near infrared spectrum.
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Motions were measured from images taken by strobing a light source at the tone frequency.
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A light source kept behind a white screen projects the shadow of the puppets on to it.
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The best approach is to conceal the light source by locating it on short, hood fixtures attached to areaway walls or installed in the ground in shrub or plant beds.
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Continuous actinic illumination was provided through the fourth port of the vessel from a Schott KL1500 light source.
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A Lo255 Oriel xenon lamp was employed as detecting light source.
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The light source inside your wall-mounted fixture can be incandescent or fluorescent.
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Controls include dimmers for the main light sources, designed to cast no shadows, nomatterwhere the surgeon stands.
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But in doing so, he runs the risk of ruining any possibility of fuming prints with superglue or looking for them with an alternate light source and luminescent powders or processing them with chemicals such as ninhydrin or diazafluoren.
Predator
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The duration of reflectance spectral acquisition was less than 1 second during which the light source of the bronchoscope was switched off.
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This cannot be a simple application of the photometric and radiometric test methods used for other conventional light sources, for several reasons.
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Usually identify the printing inks have sunlight, fluorescent light source and electric lighting.
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An alternative solution to the mixed light problem is to change the colour of one light source to match the other.
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The light source was a microscope halogen lamp, which unilaterally illuminated the protruding stump, via a light guide at a site 2-4 cm from the lower cut end.
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Currently traffic vests and jackets have reflective material that provides passive reflectivity, meaning that until a light source such as a vehicle's headlights hit the surface, they do not provide any safety to the officer.
WebWire | Recent Headlines
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The outputs of this kind of optical fiber reflective sensor are independent of the characteristics of the light source, of the losses in the ambient medium and the target reflectivity.
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The construction of the flat and bendable organic light emitting diodes allows new form factors such as using the traditional shape of a lamp but instead of having a light bulb the lampshade himself turns out to be the light source.
Sustainable Design Update » Blog Archive » Rockin’ Chair Generates Energy
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The laparoscopic system required during surgery includes a television monitor, computer chip camera, light source, insufflator, pressure monitor, and video recording equipment.
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During power outages exercise caution when using candles as a light source.
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In addition, the inconsistent mix of fluorescent and incandescent light sources throughout the hospital required continuous and costly maintenance.
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Use indirect lighting such as an adjustable light source at your desk to find the right amount of glare-free light.
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With the illuminance given the light source can be found.
3. Calculation of Illuminance
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When a photo without the flash (but a light source directly in front) is taken, the cover tends to blend in better with the finish of the case, as shown in the rightmost photo.
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Fluid is instilled around the veins, and they are then illuminated from beneath the skin with a powerful light source.
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A combination of polarizers, interference filters, and lenses was used between light source, sample, and photomultiplier to avoid artifacts from depolarization and misalignment.
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Halos: Also known as a nimbus, icebow or Gloriole, a halo is an optical phenomenon that appears near or around the Sun or Moon, and sometimes near other strong light sources such as street lights.
Celestial Phenomena
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The new high color rendering fluorescents are a good choice for a general light source that you turn on every day.
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The viewing screen can be shaded to an extent from the sun or other directional light sources, by means of baffles, but the basic problem remains.
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The outputs of this kind of optical fiber reflective sensor are independent of the characteristics of the light source, of the losses in the ambient medium and the target reflectivity.
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A motor vehicle headlight has a light source cooperating with optical means to produce a beam which is generally spread widthwise.
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To set up a TABLETOP DEMONSTRATION , place a light source facing the SP 1065.
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The term "contre jour" applies to photographs taken towards a light source, usually the sun.
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At cystoscopy, only limited tumor fluorescence was observed, but the resected specimens fluoresced brightly, indicating absorption of the short wavelength portion of the cystoscopic light source.
