Light source sentence example

light source
  • Clearly the luminous flux of a light source is of little value in isolation; the light will be changed by the optics.
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  • Scientists have concluded that exposure to a bright light source for 30 minutes in the morning or evening may be able to cure insomnia.
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  • The light source was a halogen lamp used in the dental clinic, emitting mainly in the blue part of the spectrum.
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  • The concept is simple - use a highly efficient light-emitting diode to produce the light source.
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  • If a slit-lamp is not available, examination is possible using a magnifying loupe and appropriate light source.
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  • This is possible provided that nearly monochromatic light source is used.
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  • It is surrounded by the penumbra that receives some light from the light source.
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  • The new synchrotron is operated by Diamond Light Source Limited.
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  • The principle is analogous to B scan ultrasonography, using a light source instead of sound.
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  • A simple vivarium can be provided with the light source on one end and a shelter on the other.
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  • If is the local unit surface normal, and the global light source direction, then the reflectance function is given by.
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  • I believe that the original light source was electric based upon the extremely old transformer mounted inside the mahogany box that housed the microscope.
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  • The figures are grouped around a piece of white-hot metal which is the central light source.
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  • The swivel-head type of lamp will normally have an adjustable front shade portion that usually swivels along the horizontal and the vertical axis and allows you to control the direction of the light source.
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  • Place the light source close to the need - The fixtures were not designed to hold high power illumination.
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  • Still, small accent lamps can add ambiance to any room even if the primary light source is a ceiling light or track lighting.
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  • General lighting is the main light source for a room.
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  • The hole acts as a light source and projects an image on to the opposite side of the box.
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  • The opposing side retains an upside down copy of the image the light source let in.
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  • For narrow faces, turn your face towards the main light source.
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  • If you have a broad face, turn your face away from the main light source in the photo to create narrower shadows and flattering lines.
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  • Remove the invitation from the light source.
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  • To start seeds indoors, you'll need a light source.
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  • Halogen gas and a regular light bulb filament combine in a quartz envelope to create a high-wattage, yet still cost-effective light source.
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  • Is this going to be the only light source for the area?
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  • This system allows for more flexibility and can serve as an attractive art piece as well as an effective light source.
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  • If you wish to illuminate one area versus another, change the focal point of the lighting in the room, or create a custom light source for the room - track lighting delivers.
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  • Add in the flexible placement of a halogen track lighting system, and you have a great light source for home offices, crafting rooms, living rooms and kitchen work areas.
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  • The major disadvantage of these is, if there's a bright light source present, it may overwhelm and white out the image.
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  • When an inconsistency is present, you'll notice it as a wave in the light's reflection, or a dead spot where the light source doesn't reflect off of the lens the same way or with the same sheen in one spot on the lens as another.
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  • Position the light source behind the bottle with the light shining through the neck.
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  • Just hold it up to a bright light source and hold your hand behind it with your fingers outspread.
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  • Because oil lamps were such a common household item, it's easy to find examples of this light source at antique stores and flea markets.
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  • Old oil lamps were a popular type of light source before the days of electric lights.
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  • Hurricane oil lamps are a type of light source that were commonly used in the days before electricity.
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  • Whether you want them as a light source or as a pretty accent piece, hurricane lamps are a great option.
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  • JustRite Focusing Head-lantern - This powerful light is perfect for caving or anytime you want both hands free and still need a light source.
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  • The intensity of light delivered is inversely related to the distance between the light source and the skin surface.
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  • Endoscopy-Visual examination of an organ or body cavity using an endoscope, a thin, tubular instrument containing a camera and light source.
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  • The doctor may examine the ear with an otoscope, a microscope-type device with a light source for direct inspection of the ear.
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  • In this case, a diagnosis of iron deficiency anemia may include examination with a sigmoidoscope, a flexible, tube-like instrument with a light source that permits examination of the colon.
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  • The best spot for making origami is a sturdy table near a good light source.
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  • Gel candles burn twice as long as comparably sized paraffin candles and provide a 40 percent stronger light source.
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  • While historically candle light has been an essential part of life, with the advent of electric lighting candle light had become a decorative feature rather than an important light source.
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  • Each watch features traser lights, a Gaseous Tritium Light Source (GTLS).
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  • Luminox does not need an external light source in order to recharge and glow, and the light shines with the same consistency regardless of whether it sits in full sunlight for hours on end or resides in a dark drawer for months at a time.
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  • Many watches require the wearer to push a button to create a light source.
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  • Utilizing a technically superior energy system, Citizen's line of Eco-Drive watches effectively harnesses the power of any available light source whether it be the sun, a lamp or a simple flashlight.
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  • They are required to sit in front of a blue light delivery system, such as ClearLight® and BLU-U®, and stay two to three feet away from the light source.
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  • A yellowish glow emitted from some unseen light source in the grey walls reminded her of a late winter afternoon that never ended.
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  • The sources of light used should be arranged so that the objective throws an image of the light-source upon the object.
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  • To this end luminaries should have full horizontal cut off using a white light source to improve visual acuity.
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  • The energy from the light source is absorbed by the target chromophore (melanin) in the hair.
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  • Perhaps the easiest methods are to offset a partially closed condenser iris diaphragm or the image of the light source.
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  • These effects vary with the rate of motion, which they consequently serve to measure; and they are produced indifferently by movements of the spectator or of the light-source.
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