환경 및 무역 관련용어 모음집 environmental and trade terms : 25801-25900

환경 및 무역 관련용어 모음집 environmental and trade terms : 25801-25900

번호                  용어                  해설

25801    ◆         quantizer           ◆         a device that converts an analog signal into digital form, by converting the analog value to the closest one of a set of predefined discrete values.

25802    ◆         QUANTUM         ◆         양자 : 에너지의 입자 또는 파동 묶음의 흐름을 일컫음

25803    ◆         quantum acoustics          ◆         the study of properties of sound waves in a medium due to the quantum-mechanical nature of that medium; such properties usually appear at low temperatures, short wavelengths, or high frequencies by the kinetic energy, and are shown by the equation E = h - EB, where h represents Planck's constant,  represents the frequency of sound waves, and EB represents the binding energy of the molecules.

25804    ◆         quantum chemistry         ◆         the branch of chemistry that relates the laws of quantum mechanics to various chemical phenomena.

25805    ◆         quantum electronics        ◆         the branch ofElectronics that examines the relationship of energy to matter, such as the movement of atoms and the characteristics of crystals, as explained by quantum physics.

25806    ◆         quantum theory of valence          ◆            a theory that uses the principles of quantum mechanics to explain various properties and characteristics of molecules, such as the stability of a chemical bond.

25807    ◆         quantum yield    ◆         the average number of electrons for each absorbed quantum of light that is emitted from a cathode in a phototube. Also, QUANTUM EFFICIENCY.

25808    ◆         quark-gluon plasma        ◆         a theoretical state of nuclear particles in which the quarks and gluons merge to form an unstructured group.

25809    ◆         quarrying machine          ◆         a machine that drills boreholes or cuts tunnels into native rock.

25810    ◆         quarter-square multiplier ◆         an analog computer component that performs high-accuracy multiplication by implementing a number of diode-resistor networks.

25811    ◆         quarter-turn drive           ◆         a belt drive between pulleys having axes at right angles.

25812    ◆         quartz crystal     ◆         an industrial form of this material, either natural or produced synthetically; quartz crystals vibrate at a specific frequency when a voltage is applied to them; they are widely used to control the frequency of an oscillating system.

25813    ◆         quartz delay line ◆         a device that employs quartz to delay the transmission of audio signals.

25814    ◆         quartz oscillator  ◆         a circuit that generates alternating current at a frequency determined by vibration of a quartz crystal resonator.

25815    ◆         quartz strain gauge         ◆         a device that measures small deformations of a substance by measuring the voltage produced when a quartz element is attached to it.

25816    ◆         quartz-crystal filter          ◆         a filter that includes one or more quartz-crystal resonators as elements.

25817    ◆         quartz-crystal resonator   ◆         a resonant circuit using a quartz crystal as the element that determines the frequency; used as components of a quartz-crystal filter, or to control the frequency of an oscillator. Also, CRYSTAL RESONATOR.

25818    ◆         quartz-fiber electroscope ◆         an instrument in which an electrical charge changes the angle of a gold-plated quartz fiber suspended in a glass jar; used to measure voltage.

25819    ◆         quartz-iodine lamp         ◆         a lamp in which a tungsten filament is surrounded by iodine gas in a quartz envelope, whose properties allow the lamp to generate more heat and pass ultraviolet rays.

25820    ◆         quasi-acoustical holography         ◆            the assemblage of sonograms made in the B mode into a three-dimensional image volume that creates a realistic three-dimensional facsimile of an object.

25821    ◆         quasi-reversible  ◆         describing a process or reaction that approaches reversibility, but that shows small deviations from an equilibrium path. Thus, quasi-reversibility.

25822    ◆         QUASI-STEADY IMPULSIVE NOISE ◆            준정상 충격소음 : 대략 일정레벨에서 0.2초 이하의 간격에서 연속적으로 발생하는 소음

25823    ◆         QUASI-VERTICAL ◆         거의 연직

25824    ◆         Quaternary        ◆         the second period of the Cenozoic age, beginning three million years ago and extending to the present.

25825    ◆         quaternary phase equilibria          ◆            the thermodynamic relationship among four nonreactive components that exhibit varying degrees of mutual solubility; for example, two solvents, each composed of a feed liquid and a solute.

25826    ◆         quaternary system          ◆         a relationship among four elements, such as four phases or four components, in which chemical reactions are taking place under the same conditions and at the same rate.

25827    ◆         quench  ◆         to terminate by applying a voltage, as the flow of electrons in a vacuum tube.

25828    ◆         quench correction           ◆         a technique to correct for quenching in the observable counts per minutes that are produced by a scintillation counter; the true value is given in terms of disintegrations per minute.

25829    ◆         quench frequency           ◆         the number of times per second that a circuit ceases and resumes oscillating.

25830    ◆         Quench Tank      ◆         A water-filled tank used to cool incinerator residues or hot materials during industrial processes.

25831    ◆         quenching         ◆         ㆍ the process by which a discharge is terminated in a gas tube.the process by which a discharge is terminated in a gas tube. ㆍ a process by which a heated element, such as gas or metal, is rapidly cooled.a process by which a heated element, such as gas or metal, is rapidly cooled. 3. a process by which alternating current is applied to an electrode to prevent continuous oscillation in a superregenerative receiver.a process by which alternating current is applied to an electrode to prevent continuous oscillation in a superregenerative receiver.

25832    ◆         quenching oscillator        ◆         a circuit that produces the alternating current which is used to suppress oscillation in a superregenerative receiver.

25833    ◆         QUICK LIME       ◆         생석회

25834    ◆         quick return       ◆         a reciprocating motion in operating the tool of a shaping machine in which the return is made more rapidly than the cutting stroke, in order to reduce idling time.

25835    ◆         quick-change gearbox     ◆         an arrangement of gears on a machine tool set up so that the speed relationship between gears can be quickly varied.

25836    ◆         quicksilver         ◆         a popular name for mercury.

25837    ◆         quiescent           ◆         a condition in which a circuit is operating but does not have signals applied to it.

25838    ◆         quiescent point   ◆         the set of voltages and currents in a circuit or device when no external signal is being applied to it.

25839    ◆         quiescent push-pull         ◆         a push-pull amplifier designed so that current flows only when a signal is being processed.

25840    ◆         quiescent value   ◆         the level of current or voltage in an electrode when no signals are present.

25841    ◆         quiet battery      ◆         a device that generates energy with so little interference that it may be used for voice transmissions.

25842    ◆         quiet tuning       ◆         a technique for operating a radio receiver in which no signal is sent unless it is tuned to the exact frequency of the incoming radio signal.

25843    ◆         quieting sensitivity          ◆         the minimum amplitude that an incoming radio signal must have to meet the signal-to-noise specifications of a given FM receiver.

25844    ◆         quill drive          ◆         a hollow, nonrotating shaft into which another shaft is inserted and rotated under power, providing axial movement, as in a drilling machine spindle.

25845    ◆         quinhydrone electrode     ◆         a platinum wire in a standard solution of quinhydrone, C6H4O2C6H4(OH)2, used as a reversible electrode standard for pH determinations.

25846    ◆         QUIPE   ◆         Quarterly Update for Inspector in Pesticide Enforcement

25847    ◆         Q-value ◆         a measure of the energy balance in a given system or process, so that for nuclear decay it represents the amount of energy released; in a nuclear reaction it is the difference in total kinetic energy between the particles released and the ones captured.

25848    ◆         R          ◆         a symbol for an organic hydrocarbon radical.

25849    ◆         R display           ◆         the representation of targets on a radar screen that permits the target's signal to be expanded on the screen to measure the range more accurately.

25850    ◆         R scope ◆         a radarscope that produces an R display.

25851    ◆         R＆D     ◆         Research and Development

25852    ◆         RA        ◆         개선 : CERCLA용어 중의 하나, 불량매립지 개선안을 옮기는 것을 의미함. Remedial Action,

25853    ◆         RA        ◆         Reasonable Alternative; Regulatory Alternatives; Regulatory Analysis; Remedial Action; Resource Allocation; Risk Analysis; Risk Assessment

25854    ◆         rabbit    ◆         a small plug driven through flow lines to clear them or check for obstructions.

25855    ◆         rabbit ears         ◆         a small, V-shaped indoor television antenna consisting of a pair of telescoping aerials.  Metallurgy. a V-shaped die used in metal working when folds or wrinkles are desirable.

25856    ◆         RAC      ◆         Radiation Advisory Comittee. Raw Agricultural Commodity; Regional Asbestos Coordinator, Response Action Coordinator

25857    ◆         racemate           ◆         a mixture of dextrorotatory and levorotatory isomers of the same compound in equal amounts; each of the isomer's rotations cancels the other, resulting in a mixture that does not rotate plane polarized light either left or right, i.e., a mixture that does not show optical activity. Also, racemic mixture.

25858    ◆         rack      ◆         a straight length of toothed gearing designed to mesh with the teeth of a pinion.

25859    ◆         rack and pinion  ◆         a gear arrangement for converting rotary motion into linear motion, or vice versa, consisting of a straight, toothed bar (the rack) that meshes with a small gear wheel (the pinion).

25860    ◆         rack-and-pinion steering  ◆         a vehicle steering mechanism in which a pinion gear at the end of the steering column engages with a rack, moving it to either the right or the left in order to transmit steering movements.

25861    ◆         racking  ◆         the orderly placement of pipe in the derrick after the pipe has been hoisted from the wellbore during oil drilling.

25862    ◆         RACM   ◆         Reasonably Available Control Measures

25863    ◆         RACT     ◆         Reasonably Available Control Technology

25864    ◆         RAD      ◆         Radiation Adsorbed Dose (unit of measurement of radiation absorbed by humans)

25865    ◆         radar antijamming          ◆         the measures taken to prevent an enemy from disrupting a radar system.

25866    ◆         radar beam        ◆         a beam of radio-frequency energy in space bounded by the locus of points where a radar signal is decreased to one-half of the value about the center of the beam.

25867    ◆         radar conspicuous object ◆         a term for any object that returns a strong radar echo.

25868    ◆         radar constant    ◆         any radar function to which equations are applied, such as beam width, pulse length, or noise level.

25869    ◆         radar coverage   ◆         the range within which a radar system can detect an object.

25870    ◆         radar data filtering          ◆         a program that directs a computer to delete certain radar data and alert the crew to the deletion.

25871    ◆         radar display      ◆         the representation of targets on a radar screen, usually produced on a cathode-ray tube screen. Also, RADAR PRESENTATION.

25872    ◆         radar echo         ◆         a blip on a radar screen that indicates the presence of an object or a weather phenomenon.

25873    ◆         radar intelligence item     ◆         an object that is picked up by radar, but that cannot be identified at the moment of its appearance.

25874    ◆         radar nautical mile          ◆         the time required for a radar signal to travel one nautical mile to a target and return: 1ㆍ37 microseconds.

25875    ◆         radar receiver     ◆         a device that converts signals reflected from a radar target into a form that can be displayed on a radarscope.

25876    ◆         radar receiver-transmitter ◆         a component that produces the energy beamed at a radar target and converts the signal reflected back from the target for display on the radarscope.

25877    ◆         radar relay         ◆         a radar system that transmits a video from the tracking station to a distant receiver unit.

25878    ◆         radar repeater    ◆         a device that reproduces signals displayed by a radarscope on screens at remote locations.

25879    ◆         radar shadow     ◆         an area that is blind to radar because of an obstruction such as a reflective target or an absorbing medium.

25880    ◆         radar transmitter ◆         the section of a radar system in which radio-frequency energy is generated and keyed.

25881    ◆         radarscope         ◆         a cathode-ray tube that displays signals reflected back from a radar target.

25882    ◆         radechon           ◆         a tube that stores electrical charges on a sheet of mica placed between a continuous metal backing plate and a fine-mesh screen; commonly used in communications systems to improve the signal-to-noise ratio, to carry out signal comparison, or to convert a signal's time base. Also, BARRIER-GRID STORAGE TUBE.

25883    ◆         radial bearing     ◆         a bearing in which the movement of the load transmitted is radial to the axis of rotation.

25884    ◆         RADIAL BLADE FAN         ◆         방사 날개형 송풍기 : 원심력 송풍기의 유형

25885    ◆         radial chromatography    ◆         a separation technique involving a round disk of absorbent paper with a strip cut from the edge to the center that is used as a wick to dip into a solvent; the solvent climbs the wick, touches the sample, and elutes in concentric rings

25886    ◆         RADIAL DIRECTION         ◆         외벽 방향

25887    ◆         RADIAL DISTANCE           ◆         방사거리

25888    ◆         radial distribution function           ◆            a function that plots the density, relative to the average density, of molecules at a given distance from some particular molecule; used to describe the molecular structure of liquids.

25889    ◆         radial draw forming        ◆         a process for shaping metals by gradually applying tangential stretch and radial compression simultaneously.

25890    ◆         radial drill          ◆         a drilling machine in which the drill head is encased in a toolhead and saddle and moves along a horizontally projecting arm that rotates around a vertical pillar.

25891    ◆         radial engine      ◆         an internal-combustion engine in which the cylinders are arranged like spokes of a wheel at regular intervals around the crankshaft; used formerly as an air-cooled aircraft engine.

25892    ◆         RADIAL FLOW TURBINE   ◆         반경류터빈; 증기유동방향에 따른 증기터빈

25893    ◆         radial force        ◆         in machining, a force that is exerted on a cutting tool in a direction opposite to that of the depth of cut.

25894    ◆         radial load         ◆         a load that is oriented perpendicularly to the bearing axis.

25895    ◆         radial locating    ◆         one of three locating problems (the others being concentric locating and plane locating) used to maintain an efficient working relationship between a workpiece, a cutter, and the body of a machine tool.

25896    ◆         radial motion     ◆         a motion away from or toward a central axis or point.

25897    ◆         radial rake         ◆         the angle between the cutter tooth surface and a radial line that passes through the cutting edge in a plane that is perpendicular to the cutter axis.

25898    ◆         radial saw          ◆         a circular power saw in which the blade is suspended from a traverse head that is mounted on a rotatable arm.

25899    ◆         radial stress       ◆         the component of stress toward or away from the central axis of a curved member.

25900    ◆         RADIAL TIP FAN  ◆         방사 경사형 송풍기 : 원심력 송풍기의 유형

https://smartstore.naver.com/smallme/products/2875259458

페인팅 스몰미 15세트 (painting smallME, 컬러링 스몰미) 페인팅스몰미, 미술교육. 창의력교육. 색칠