환경 및 무역 관련용어 모음집 environmental and trade terms : 18901-19000

환경 및 무역 관련용어 모음집 environmental and trade terms : 18901-19000

번호                  용어                  해설

18901    ◆         fixture   ◆         in the manufacture of interchangeable parts, a device used to hold and position a piece of work without guiding the cutting tool.

18902    ◆         fixturing ◆         the ensemble of fixtures used in a given work process.

18903    ◆         FLAGSHIP          ◆         깃대종 : 생태계 여러종족에서 사람들의 인식에 중요하다고 여겨지는 생물종을 의미함

18904    ◆         FLAIL MILL         ◆         프레일밀; 폐기물처리의 단위공정인 파쇄과정에 이용되는 장비

18905    ◆         flaking   ◆         a continuous process that causes solidification of a liquid by cooling it.

18906    ◆         flaking mill        ◆         a machine for converting material to flakes.

18907    ◆         FLAME ATOMIZATION      ◆         불꽃 원자화법 : 분석물 용액을 안개와 같이 분무하여 기체 산화제나 연료의 흐름과 함께 불꽃으로 운반하여 뜨거운 기체상태의 매질에서 방출 흡수 스펙트럼을 얻는 방법

18908    ◆         flame coloration ◆         a qualitative flame test performed by fixing a substance to a platinum wire, moistening it with hydrochloric acid, placing it in a nonluminous flame, and observing the resulting color. Calcium, for example, colors the flame brick red, while sodium yields bright yellow and potassium purple.

18909    ◆         FLAME COMBUSTION      ◆         불꽃 연소

18910    ◆         flame detector    ◆         a sensing device and ignition detector that indicates whether fuel is burning and signals a controller if ignition is present.

18911    ◆         FLAME EMISSION SPECTROSCOPY ◆            원자 방출분광법

18912    ◆         flame ionization detector ◆         an instrument used in gas chromatography that decomposes the neutral solute molecules in a flame into charged species and electrically measures the changes in conductivity

18913    ◆         flame test          ◆         any qualitative test made with a Bunsen burner, such as a bead test or flame coloration.

18914    ◆         flame-emission spectrophotometry            ◆         a process of photometric analysis in which a sample solution is aspirated onto a hydrogen-oxygen or acetylene-oxygen flame and the emitted wavelength of the ions is recorded on a photographic plate. Also, ATOMIC EMISSION ANALYSIS.

18915    ◆         FLAMMABILITY   ◆         연소성,가연성 ; 유해폐기물의 특성

18916    ◆         Flammable         ◆         Any material that ignites easily and will burn rapidly.

18917    ◆         flap trap ◆         an antiflooding valve consisting of an intercepting chamber fitted with a hinged metal flap that allows flow in one direction only.

18918    ◆         flap valve           ◆         ㆍ a valve or sheet of flexible material fitted with a hinged flap that swings only in one direction to allow air flow.a valve or sheet of flexible material fitted with a hinged flap that swings only in one direction to allow air flow. ㆍ a nonreturn valve for liquids containing metal; used in low- pressure applications with O-rings.a nonreturn valve for liquids containing metal; used in low- pressure applications with O-rings.

18919    ◆         flare      ◆         a burner, usually installed outdoors in an elevated position, used to dispose of combustible waste gases from chemical or refining processes by igniting them.

18920    ◆         Flare     ◆         A control device that burns hazardous materials to prevent their release into the environment; may operate continuouly or intermittently, usually on top of a stack.

18921    ◆         flare factor         ◆         the degree of outward flare of an exponential horn, described as the constant m in the formula Sx = S0 exp(mx), with x representing the distance from the throat and S0 representing the throat area.

18922    ◆         flare gas            ◆         a surplus or waste gas combusted by a flare.

18923    ◆         FLARE STACK      ◆         화염굴뚝

18924    ◆         flash arc ◆         in a large thermionic vacuum tube, an abrupt surge of current between the cathode plates at high plate voltage; may short-circuit the power supply.

18925    ◆         flash boiler        ◆         a steam boiler with hot tubes of small capacity designed to convert small amounts of water to superheated steam as it is fed through by a feed pump.

18926    ◆         flash carbonization          ◆         a method of carbonization in which coal is exposed to a short residence time in the reactor in order to produce the largest possible yield of tar.

18927    ◆         flash chamber    ◆         a process for converting a carbonaceous material to carbon in a higher-pressure vessel by flashing it into a low-pressure, conventional oil-and-gas separator. Also, flash trap, flash vessel.

18928    ◆         flash drum         ◆         a drum or tower in which heavy oil or residue is flashed to a lower pressure in order to vaporize the volatile components.

18929    ◆         FLASH DRYER     ◆         급속 건조기; 슬러지 건조를 위한 기계적 공법

18930    ◆         FLASH DRYING   ◆         순간 건조

18931    ◆         flash evaporator  ◆         an evaporator used for solvent recovery in downstream processing; the feed solution is fed into a container where the temperature is high enough that rapid evaporation of the solvent occurs.

18932    ◆         flash lamp         ◆         a gaseous-discharge lamp that is attached to a photoflash unit which produces bursts of high-intensity light for stroboscopic photography. Also, STROBOSCOPIC LAMP.

18933    ◆         flash photolysis  ◆         a technique in which an intense flash of light is used to activate gas molecules so that they can be observed spectroscopically.

18934    ◆         Flash Point         ◆         The lowest temperature at which evaporation of a substance produces sufficient vapor to from an ignitable mixture with air.

18935    ◆         flash point         ◆         the lowest temperature at which vapor above a volatile liquid will quickly ignite when the liquid is heated under standard conditions.

18936    ◆         flash process      ◆         a liquid-vapor system in which the composition remains constant, but the ratio of gas phase to liquid phase alters as temperature or pressure changes, as in a flash drum or tank.

18937    ◆         flash tank          ◆         the unit in a processing operation that separates the gas and liquid phases.

18938    ◆         flash vaporization           ◆            specifically, a technique used for removing liquefied petroleum gas from storage, in which liquid is first flashed into a vapor in an intermediate pressure system, and then a second-stage regulator contributes the low pressure required to use the gas in appliances.

18939    ◆         flashback voltage            ◆         the inverse peak voltage needed to ionize gas in a tube.

18940    ◆         flash-drying       ◆         the quick evaporation of liquid from a granular or porous solid by a rapid reduction in pressure or an updraft of warm air. Thus, flash-dry.

18941    ◆         flash-ferm process          ◆         an inexpensive variation of the vacuum fermentation process for ethanol production in which the oxygen requirement for the yeast is met through the use of sparged air.

18942    ◆         flashing ◆         the vaporization of volatile fluids by either pressure reduction or heat.

18943    ◆         flashing flow      ◆         the state of a liquid at its boiling point when it flows through a heated chamber or passage and is heated, causing partial vaporization which results in a two-phase, vapor-liquid flow.

18944    ◆         flashlight           ◆         a portable, battery-powered device that produces a beam of light.

18945    ◆         flashover           ◆         a disruptive, often luminous charge around or over the surface of an insulator, usually due to high voltage.

18946    ◆         flask      ◆         a vessel or receptacle designed to hold a substance, typically a long-necked glass vessel used to hold a liquid.  Metallurgy. in casting, the container in which a sand mold is made.

18947    ◆         flat        ◆         ㆍ a musical half step (100 cents) down in pitch from a specified note.a musical half step (100 cents) down in pitch from a specified note. ㆍ the condition of being lower in musical pitch than what is intended or specified.the condition of being lower in musical pitch than what is intended or specified.

18948    ◆         flat spin ◆         the motion of a rotating projectile or aircraft whose yaw exceeds 45°.

18949    ◆         flat trajectory     ◆         a trajectory whose gravitational deflection is negligible due to the high speed or brief duration of the flight.

18950    ◆         flat tuning         ◆         a method of adjusting a radio receiver in which a change in frequency of the received waves produces only slight changes in the current in the tuning apparatus.

18951    ◆         flat(sheet) membrane (평막)          ◆            평면장 또는 시트장의 막.

18952    ◆         flat-blade turbine            ◆         an impeller having flat blades that extend radially from the shaft.

18953    ◆         flat-edge trimmer            ◆         a machine designed to trim the notched or slotted edges of metal shells.

18954    ◆         flatpack ◆         an integrated circuit network in which the components are encased in a thin, rectangular package, with the connecting leads extending out from the edge of the package.

18955    ◆         flat-turret lathe   ◆         a lathe having a low, flat turret on an electrically driven, cross-sliding headstock.

18956    ◆         fleet      ◆         the sideways movement of a rope or cable when being wound on a drum.

18957    ◆         fleet angle         ◆         the maximum angle between a rope or cable and a line drawn perpendicular to the drum on which it winds.

18958    ◆         Fleming cracking process ◆         a thermal cracking method for heavy petroleum fractions in a vertical shell still under pressure.

18959    ◆         Fleming tube      ◆         a diode that allows negative current to flow from its heated filament to its cold electrode, but prevents it from flowing in the reverse direction.

18960    ◆         Flesh-Demag process      ◆         a procedure for making gas using a cyclic water-gas unit for feeding, and charring coal for gas generation.

18961    ◆         fleshing machine ◆         equipment that strips flesh from hides in a tannery.

18962    ◆         FLETC    ◆         Federal Law Enforcement Training Center

18963    ◆         Fletcher-Munson curve    ◆         a graph plotting sound intensity, as expressed in decibels, in comparison with frequency, for which each point represents equal loudness over the contour. Also, Fletcher-Munson contour.

18964    ◆         flex       ◆         ㆍ to move from a straight course or position; bend or curve.to move from a straight course or position; bend or curve. ㆍ the act of bending, or the capacity to bend.the act of bending, or the capacity to bend.

18965    ◆         flexibility            ◆         ㆍ the quality or condition of offering little resistance to being bent; being able to withstand repeated bending.the quality or condition of offering little resistance to being bent; being able to withstand repeated bending.

18966    ◆         flexible  ◆         having the property of flexibility; able to be repeatedly bent and still maintain its original shape afterward.

18967    ◆         flexible circuit     ◆         a device in which the electrical elements are mounted onto a pliable plastic sheet, so that it may be fitted between large components.

18968    ◆         flexible coupling ◆         a coupling containing a resilient member such as a metal spring or rubber disk; used to connect two rigid shafts that cannot be aligned.

18969    ◆         FLEXIBLE MEMBRANE LINER         ◆            유연성 합성차수막, 차수막의 종류

18970    ◆         FLEXIBLE PIPE     ◆         연성관

18971    ◆         flexible shaft      ◆         ㆍ a shaft that can transmit rotary motion up to an angle of 90°.a shaft that can transmit rotary motion up to an angle of 90°. ㆍ any shaft that is made of flexible material.any shaft that is made of flexible material. 3. a shaft whose bearings are designed to allow for minor misalignment.a shaft whose bearings are designed to allow for minor misalignment.

18972    ◆         flexura.  ◆         the deformation of a body under a load, so that points which were a straight line are now in a plane curve; the process of bending.

18973    ◆         flexural modulus ◆         a constant used in the calculation of bending, equal to the Young's modulus of the material times the moment of inertia (the square of the radius of gyration of a cross section perpendicular to the plane of bending). Also, flexural rigidity.

18974    ◆         flexural strength ◆         the critical bending load that a beam can withstand without failure.

18975    ◆         flexure theory     ◆         the application of elastic theory to long structural members deflected primarily by bending moments.

18976    ◆         flicker    ◆         a variation in a regulated power supply that occurs due to sudden, brief, minimal variations in the reference voltage or the regulator.  Telecommunications. in television, a repetitive variation in luminance of a particular area of the display that occurs when the field frequency is insufficient to synchronize the visual images.

18977    ◆         flicker effect       ◆         the noise created by the large, often erratic changes in current flow that arise from an irregularly coated cathode in an electron tube.

18978    ◆         flight conveyor   ◆         a conveyor in which paddles, scrapers, roller-chains, and the like are used to drag or push pulverized or granulated materials along a trough. Also, DRAG CONVEYOR.

18979    ◆         flight feeder       ◆         a short-length flight conveyor used to feed solid materials to a process vessel at a predetermined rate.

18980    ◆         flint mill ◆         ㆍ a ball mill that uses flint pebbles as a pulverizing agent to grind materials such as conglomerate in cement.a ball mill that uses flint pebbles as a pulverizing agent to grind materials such as conglomerate in cement. ㆍ in pottery works, a mill in which flints are ground.in pottery works, a mill in which flints are ground.

18981    ◆         flip chip ◆         a semiconductor die in which all of the terminals are placed on one side of the substrate so that it can be flipped over for bonding onto a matching substrate, after being treated with an inert material to prevent contamination.

18982    ◆         flip-flop ◆         ㆍ a two-position relay that alternates positions with successive pulses.a two-position relay that alternates positions with successive pulses.

18983    ◆         FLM      ◆         Federal Land Manager

18984    ◆         float collar         ◆         a coupling unit placed in a casing string that holds a check valve, allowing fluid to pass downward but not upward through the casing; used on casing during cementing operations.

18985    ◆         FLOAT-ACTUATED PUMPING STATION            ◆         부자 연동 펌프장

18986    ◆         floating ◆         of or relating to a device that is isolated from a voltage supply or isolated from the common circuit ground.  Building Engineering.  ㆍ the equal spreading of plaster, stucco, or cement by means of a float board.the equal spreading of plaster, stucco, or cement by means of a float board. ㆍ describing the second of three coats applied with a coat board to protect the level of the screeds.describing the second of three coats applied with a coat board to protect the level of the screeds.

18987    ◆         FLOATING AQUATIC PLANT SYSTEM            ◆         부유 수생식물법; 폐수의 자연적처리법

18988    ◆         floating axle       ◆         a live axle that is used to turn the wheels of a motor vehicle.

18989    ◆         floating grid       ◆         a type of vacuum-tube grid that remains detached from the rest of the circuit and takes on a negative potential with respect to the cathode.

18990    ◆         floating lever      ◆         a horizontal brake lever with a movable fulcrum, used to control railcar motion and direction.

18991    ◆         FLOATING PLANT TREATMENT SYSTEM            ◆         부유식물 처리시스템

18992    ◆         floating scraper  ◆         a balanced scraper blade used to remove solids collected on a rotating drum surface.

18993    ◆         FLOATION          ◆         부상선별; 폐기물선별방법

18994    ◆         Floc      ◆         A clump of solids formed in sewage by biological or chemical action.

18995    ◆         floc       ◆         small masses of colloidal particles formed in a fluid due to the aggregation of fine suspended particles.

18996    ◆         floc point           ◆         the temperature at which waxes or solids form a definite floc in illuminating oils such as kerosene.

18997    ◆         floc test ◆         a test to detect substances in illuminating oils that are rendered insoluble by heat.

18998    ◆         flocculant          ◆         a substance that induces the formation of floc in a dispersion of solids in a liquid. Also, flocculating agent.

18999    ◆         FLOCCULANT SETTLING   ◆         응집침전; 제 2형 침전

19000    ◆         Flocculating center feed clarifier   ◆            중앙유입식 응결 침전지; 중앙 유입부에 응결메카니즘을 결합한 침전지형태