photocell definition
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- Photocell definition, a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc. See more.
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"""I Have Seen the Light!"" Vision and Light-Induced Molecular Changes" 1 Rays of light (blue) reflected off of an image are focused through the lens onto the back of the eye, forming an upside-down image on the retina.  On the retina, those photocells that are hit by light from the image are activated. These photocells are shown in white in this figure.
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Chlorophyll Home » Chlorophyll. Definition. noun, plural: chlorophylls. The green pigment found in the chloroplasts of higher plants and in cells of photosynthetic microorganisms (e.g. photosynthetic bacteria), which is primarily involved in absorbing light energy for photosynthesis.
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Lyocell Lyocell is a form of rayon which consists of regenerated cellulose fiber made from dissolving pulp (bleached wood pulp) using dry jet-wet spinning.It was developed beginning in 1972 by a team at the now defunct American Enka fibers facility at Enka, NC.t the Lyocell mill, rolls of pulp are broken into one-inch squares and dissolved in N-methylmorpholine N-oxide, giving a solution called dope.. The filtered cellulose solution is then pumped through spinnerets, devices used with a variety of manmade fibers.
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Supercell The HP supercell is the most common type of supercell in the United States east of Interstate 35, in the southern parts of the provinces of Ontario and Quebec in Canada, and in the central portions of Argentina and Uruguay.
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Solar cell A photoelectrolytic cell (photoelectrochemical cell), on the other hand, refers either to a type of photovoltaic cell (like that developed by Edmond Becquerel and modern dye-sensitized solar cells), or to a device that splits water directly into hydrogen and oxygen using only solar illumination.ssemblies of solar cells are used to make solar modules which generate electrical power from sunlight, as distinguished from a solar thermal module or solar hot water panel. A solar array generates solar power using solar energy.
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- These example sentences are selected automatically from various online news sources to reflect current usage of the word 'photocell.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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- Ixmyelocel-T is a patient-specific, expanded multicellular therapy, manufactured using Vericel’s proprietary, highly automated, fully closed cell-processing system.
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- Examples from the Web for photocell Expand Historical Examples A fast reading with the photocell gave me the apparent magnitude and a comparison with its absolute magnitude showed its distance. The Repairman Harry Harrison British Dictionary definitions for photocell Expand
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methylcellulose methylcellulose. a methyl ester of cellulose, used as a bulk laxative, as a suspending agent for drugs, and applied topically to the cornea during certain ophthalmic procedures to protect and lubricate the cornea.ethylcellulose. a methyl ester of cellulose; used as a bulk laxative and applied topically to the cornea during certain ophthalmic procedures to protect and lubricate the cornea. Used also as an obstetrical lubricant and, in squeeze bottles, as a lubricant for rectal examinations in large animals.
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Severe Weather Glossary SUPERCELLS. Supercells are storms --- usually, but not necessarily, thunderstorms --- that contain updrafts that rotate about a vertical axis. This rotation is derived from shear in the environmental wind field (that is, a change in wind direction and / or speed with height) surrounding the storm as it begins to grow.Supercells often produce damaging wind, large hail, and tornadoes, and most strong to violent tornadoes are associated with supercells.solated supercells (a) often appear as roughly circular or kidney-shaped blobs, with a point or hook-shaped appendage on the rear side of the echo, relative to its direction of motion. (FFD and RFD refer to the storm's front flank and rear flank downdrafts, respectively).
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- Tencel is the official brand name for Lyocell, a fabric created from wood pulp, by the Tencel Group. Tencel Lyocell mimics rayon in its feel. The natural fiber is highly reputed for its environmental friendliness, and Tencel Lyocell garments are simple to maintain.
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- Excell Energy Phone Number Description Xcel (Spelled by Some as Excel) is a Utility supplier of electric power and natural gas service in Colorado, Kansas, Michigan, Minnesota, New Mexico, North Dakota, Oklahoma, and South Dakota.
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- NeoCell Super Collagen + C™ -- 6000 mg - 250 Tablets. NeoCell Super Collagen + C™ Description. Collagen is a complex structural protein that maintains strength and flexibility throughout the body. As we age, collagen depletion can lead to common signs of aging in the skin, hair, nails, muscles, tendons, ligaments, and bones.
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photocell 1. 1  a solid-state device that converts light into electrical energy by producing a voltage, as in a photovoltaic cell, or uses light to regulate the flow of current, as in a photoconductive cell: used in automatic control systems for doors, lighting, etc.
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Chloroplast A chloroplast is one of three types of plastids, characterized by its high concentration of chlorophyll (the other two types, the leucoplast and the chromoplast, contain little chlorophyll and do not carry out photosynthesis).any C4 plants have their mesophyll cells and bundle sheath cells arranged radially around their leaf veins. The two types of cells contain different types of chloroplasts specialized for a particular part of photosynthesis.
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- Eurocell is the UK’s leading manufacturer, distributor and recycler thanks to a combination of precision extrusion capabilities, product innovation and customer service excellence.ost of the 4,000 product lines stocked in each depot are manufactured by Eurocell, giving us full control over our supply chain so we can deliver consistent service and quality benefits to our customers.
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Super Collagen+C Type I & III NeoCell's Super Collagen Type 1 & 3 is pure collagen protein that provides building materials for growth and maintenance of a healthy body.
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- The multicell cluster is the most common type of thunderstorm. The multicell cluster consists of a group of cells, moving along as one unit, with each cell in a different phase of the thunderstorm life cycle. As the cluster moves along, each cell takes its turn as the dominant cell in the cluster.
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Photomask A photomask. A schematic illustration of a photomask (top) and an integrated circuit created using that mask (bottom). A photomask is an opaque plate with holes or transparencies that allow light to shine through in a defined pattern.
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Solar cell A photoelectrolytic cell (photoelectrochemical cell), on the other hand, refers either to a type of photovoltaic cell (like that developed by Edmond Becquerel and modern dye-sensitized solar cells), or to a device that splits water directly into hydrogen and oxygen using only solar illumination.esearchers at UCLA more recently developed an analogous polymer solar cell, following the same approach, that is 70% transparent and has a 4% power conversion efficiency. These lightweight, flexible cells can be produced in bulk at a low cost and could be used to create power generating windows.
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- Lyocell, better known as Tencel, is a fiber made from the wood pulp of trees that are grown and replaced on specialized tree farms. Unlike most cellulosic fabrics, Tencel is produced using recyclable, Earth-friendly solvents. When blended with cotton, Tencel adds wrinkle-resistance and the lustrous feel of a silk.
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photocell see photoelectric cellphotoelectric cell. or photocell, device whose electrical characteristics (e.g., current, voltage, or resistance) vary when light is incident upon it. The most common type consists of two electrodes separated by a light-sensitive semiconductor material. ..... Click the link for more information.
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- Plexcore(R) ink systems for organic photovoltaic cells enable the low-cost printing of photo-active and charge carrier layers, which together convert light to power in the organic photovoltaic cell.
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- Using energy level diagrams the situation would look like the diagrams below. Modern device that use the photoelectric effect are frequently called photocells. These devices include a metal that will emit the electrons when light strikes it and another metal plate. The energy of photoelectrons can be changed by placing a voltage across the two
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- A photoelectrolytic cell (photoelectrochemical cell), on the other hand, refers either to a type of photovoltaic cell (like that developed by Edmond Becquerel and modern dye-sensitized solar cells), or to a device that splits water directly into hydrogen and oxygen using only solar illumination. photoelectrolytic cell (photoelectrochemical cell), on the other hand, refers either to a type of photovoltaic cell (like that developed by Edmond Becquerel and modern dye-sensitized solar cells), or to a device that splits water directly into hydrogen and oxygen using only solar illumination.