환경 및 무역 관련용어 모음집 environmental and trade terms : 28501-28600

환경 및 무역 관련용어 모음집 environmental and trade terms : 28501-28600

번호                  용어                  해설

28501    ◆         steam trap         ◆         an automatic device that allows water or air to pass but prevents the passage of steam; used to drain the water of condensation that accumulates in steam pipes.

28502    ◆         steam turbine     ◆         a machine in which high-pressure steam is made to do work by acting on and rotating blades in a cylinder.

28503    ◆         steam-heated evaporator ◆         a device used for evaporating liquid on one side of a tube wall by condensing steam on the other side; the heat of condensation is transferred to the liquid side and utilized in the vaporization process.

28504    ◆         steam-jet cycle   ◆         a thermodynamic cycle used in refrigeration in which a high-velocity steam jet produces a vacuum in the evaporator, which in turn lowers the boiling point of water.

28505    ◆         steam-jet ejector ◆         a system for accelerating and ejecting fluid entrainment by a steam jet.

28506    ◆         steamshovel or steam shovel        ◆            a power shovel that is driven by a steam engine.

28507    ◆         steam-tube dryer            ◆         a rotary cylindrical dryer that uses the heat of steam contained in tubes for drying; the tubes run the entire length of the cylinder and rotate with it.

28508    ◆         STEEL SHEET PILE WALL   ◆         강널말뚝벽

28509    ◆         Steelflex coupling           ◆         a flexible coupling consisting of two grooved steel hubs, each fitting into its respective shaft, joined together by a tempered steel member.

28510    ◆         steering arm      ◆         an arm in an automotive vehicle that transmits the rotation movement of the steering wheel to the drag link.

28511    ◆         steering brake    ◆         a brake that slows or stops a tracked vehicle from one side.

28512    ◆         steering column  ◆         a column that connects the steering wheel of an automotive vehicle to the steering gear assembly

28513    ◆         steering gear      ◆         ㆍ the directional guidance system of a vehicle, including the drop arm, drag link, steering arm, and track rod.the directional guidance system of a vehicle, including the drop arm, drag link, steering arm, and track rod. ㆍ the slewing gear for guiding a ship.the slewing gear for guiding a ship.

28514    ◆         steering wheel    ◆         a hand-operated wheel for controlling the direction of a vehicle or vessel.

28515    ◆         STEGMENT HIGH PRESSURE         ◆            정체성 고기압

28516    ◆         STEL      ◆         Short Term Exposure Limit

28517    ◆         stellar lightning  ◆         a series of lightning discharges that seem to originate from a single point.

28518    ◆         STEM    ◆         Scanning Transmission-Electron Microscope

28519    ◆         stem-winding     ◆         of or relating to a timepiece that is wound by an internal mechanism turned by an external knob.

28520    ◆         stenode circuit    ◆         a highly selective superheterodyne receiving circuit in which a piezoelectric unit is used in the intermediate-frequency amplifier to remove all signals except those having a specified intermediate-frequency value.

28521    ◆         step aeration      ◆         a procedure in which increments of sewage are added along the line of flow in the aeration tanks of an activated sludge plant.

28522    ◆         step attenuator   ◆         an attenuator in which the attenuation can be adjusted in precisely known steps by the use of switches.

28523    ◆         step bearing       ◆         a bearing that supports the bottom of a shaft while allowing it to rotate about its axis. Also, FOOTSTEP BEARING, PIVOT BEARING.

28524    ◆         step change       ◆         the instantaneous change of a variable from one value to another. Also, step function.

28525    ◆         Step feed aeration process           ◆            단계 주입식 포기공정; 활성슬러지공정의 변법으로 F/M비를 균일하게 유지하여 최대산소요구량을 감소시키는 형태

28526    ◆         step generator    ◆         a device used to test the linearity of an amplifier by applying a step wave to the input and observing the waveform at the output with an oscilloscope.

28527    ◆         step pulley         ◆         a series of pulley wheels of various diameters all arranged on a concentric support; used to vary the velocity ratio of shafts. Also, CONE PULLEY.

28528    ◆         step strobe marker          ◆         a strobe marker in which the discontinuity is in the form of a step in the time base.

28529    ◆         step-function generator   ◆         a function generator whose output waveform suddenly increases and decreases in steps.

28530    ◆         step-out time     ◆         the time it takes a given point on a reflected or refracted wave generated during seismic prospecting to reach various detection devices placed at different locations on the surface.

28531    ◆         step-out well      ◆         a well drilled near a proven well but in an unproven area, so as to determine the boundaries of a partially developed formation. Also, OUTPOST WELL, DELAYED-DEVELOPMENT WELL.

28532    ◆         stepped leader    ◆         a lightning streamer that advances intermittently, giving it a stepped appearance.

28533    ◆         step-recovery diode        ◆         a varactor in which forward voltage is used to inject carriers across the junction; before the carriers can combine, voltage reverses, and carriers return to their origin in a group; the result is an abrupt cessation of reverse current and a harmonic-rich waveform.

28534    ◆         stereo effect       ◆         the creation of a spatially correct image in three dimensions of multiple sound sources, such as musical instruments, that appear to be coming from different directions.

28535    ◆         stereochemistry  ◆         the branch of chemistry that studies how atoms or molecules are affected by their three-dimensional spatial arrangement; e.g., the study of stereoisomers.

28536    ◆         stereofluoroscopy           ◆         a fluoroscopic technique that yields three-dimensional images.

28537    ◆         stereographic projection  ◆         a crystal surrounded by an imaginary sphere in which the coordinate centers of the crystal and the surrounding sphere are the same; lines perpendicular to each crystal face are drawn outward, touching the surface of the sphere, and the results are transferred to a two-dimensional plot with the points above (north of) the equatorial plane joined to the lower (south) pole; the points at which these lines intersect with the equatorial plane are marked with filled circles for the northern hemisphere and open circles for the southern hemisphere; used to demonstrate the symmetry of a crystal, without the need for a three-dimensional model.

28538    ◆         sterhydraulic      ◆         of or relating to a hydraulic system in which pressure is created by introducing a solid body into a liquid-filled cylinder.

28539    ◆         steric effect        ◆         the influence on a chemical reaction of the spatial arrangement of a reacting substance. Also, steric factor.

28540    ◆         steric hindrance  ◆         the inteference to a reaction that is caused by the spatial arrangements of the atoms within the reacting molecules.

28541    ◆         sterile purified water  ( 멸균 정제수 )            ◆         상수, 정제수를 증류, 또는 정제수를 초과여과해 얻어지고, 주사제의 조정에 이용하는 순수한 물. 정제수순도 9 항목 및 무균 시험에 적합함.

28542    ◆         Sterilization        ◆         The removal or destruction of all microorganisms, including pathogenic and other bacteria, vegetative forms, and spores.

28543    ◆         sterilize  ◆         to make land barren or unproductive.  Ordnance.  ㆍ in naval mine warfare, to permanently render a mine incapable of firing by means of a device within the mine.in naval mine warfare, to permanently render a mine incapable of firing by means of a device within the mine. ㆍ in covert and clandestine operations, to remove marks or devices that can identify material as emanating from the sponsoring nation or organization.in covert and clandestine operations, to remove marks or devices that can identify material as emanating from the sponsoring nation or organization.

28544    ◆         Sterilizer ◆         One of three groups of anti-microbials registered by EPA for public health uses. EPA considers an antimicrobial to be a sterilizer when it destroys or eliminates all forms of bacteria, viruses, and fungi and their spores. Because spores are considered the most difficult form of microorganism to destroy, EPA considers the term sporicide to be synonymous with sterilizer.

28545    ◆         sterilizing grade filter (멸균용필터) ◆            막의 유효 여과 면적에 해당하고, 적절한 조건하에서 배양된 지표균 또는 이것보다 작은 적당한 균을 107개 이상을 도전해, 이차측에 무균수를 얻어지는 필터 .즉, 미생물을 제거하는 여과법.

28546    ◆         Stern layer         ◆         in an electrical double layer in an electrolytic solution, the ion layer directly at the electrode surface

28547    ◆         sthene   ◆         a unit of force equal to 103 newtons.

28548    ◆         stibium  ◆         the Latin name for antimony; the basis for the chemical symbol Sb for antimony.

28549    ◆         sticking coefficient          ◆         the ratio between the number of particles impacting a surface and the number actually adsorbed there.

28550    ◆         stiction  ◆         the friction that prevents relative motion between two movable parts at their null position.

28551    ◆         stiffleg derrick    ◆         a derrick supported in a vertical position by a fixed tripod of sturdy materials. Also, DERRICK CRANE, SCOTCH DERRICK.

28552    ◆         stiffness ◆         in a mechanical vibrating system, the restoring force per unit displacement.

28553    ◆         stiffness coefficient         ◆         the ratio of a reactive force to the resulting displacement from equilibrium for a linear mechanical system, such as a linear spring.

28554    ◆         stiffness matrix   ◆         an n × n matrix K corresponding to a system having n generalized coordinates, which relates the potential energy V of a system to a set of small displacements from equilibrium by the relation V = (1/2)qTKq, where q is the generalized coordinate vector, and qT is its transpose. Also, STABILITY MATRIX.

28555    ◆         Stiletto  ◆         an electronic subsystem used in U.S. strike aircraft to detect, identify, and locate ground-based radars.

28556    ◆         stimulated-emission device          ◆            any device, such as a laser, that uses the principle of amplification of electromagnetic waves by stimulated emission.

28557    ◆         stimulation treatment      ◆         any technique, such as acidizing or hydraulic fracturing, used to increase gas or oil production from a reservoir formation.

28558    ◆         Stirling engine    ◆         an actual example of the Stirling cycle; an external-combustion reciprocating engine in which work is performed as air in the cylinder is heated and expands, driving the working piston.

28559    ◆         stirred tank fermenter      ◆         a widely used fermentation vessel or tank in which the vessel is fitted with a mechanically driven impeller and ports for input and output.

28560    ◆         STN      ◆         Scientific and Technical Information Network

28561    ◆         stocking cutter   ◆         a cutting tool having a side rake or curved edges for cutting the rough tooth spaces on a gear blank.

28562    ◆         stoichiometric     ◆         ㆍ of or relating to stoichiometry.of or relating to stoichiometry. ㆍ describing the quantitative relationship between chemical substances, in which proportions of reactants and products are characteristic for each reaction and are determined from such information as molecular weight, chemical formulas, and equations.describing the quantitative relationship between chemical substances, in which proportions of reactants and products are characteristic for each reaction and are determined from such information as molecular weight, chemical formulas, and equations.

28563    ◆         STOICHIOMETRIC COMBUSTION   ◆            양론적 연소; 완전연소에 요구되는 산소량공기량

28564    ◆         stoichiometry     ◆         ㆍ the branch of chemistry that applies the laws of definite proportions and conservation of matter and energy to chemical processes.the branch of chemistry that applies the laws of definite proportions and conservation of matter and energy to chemical processes. ㆍ the science or study of the proportional relationships of two or more substances during a chemical reaction.the science or study of the proportional relationships of two or more substances during a chemical reaction.

28565    ◆         stoke     ◆         to tend and supply fuel to a fire, especially of a boiler or furnace.

28566    ◆         stoker    ◆         a continuous mechanical apparatus for feeding fuel into a boiler or furnace, handling the by-products, and controlling the air ventilation to the fuel.

28567    ◆         stomacher          ◆         a device for separating bacteria from food samples, fabrics, or swabs.

28568    ◆         STONE PRODUCT            ◆         암면제품

28569    ◆         STONER ◆         스토너 (석받기) : 폐기물처리공정중 밀도차 선별에 이용되는 장비

28570    ◆         stop      ◆         a projecting piece at one end of the top of a height-adjustable bench; used to steady a workpiece in the process of being planed.

28571    ◆         stop valve          ◆         any valve that can be set to completely block off flow.

28572    ◆         stop valve  ( 스톱 밸브 ) ◆         배관을 흐르는 유체의 유량 조절과 합계 단락을 하는 판.

28573    ◆         stopped-flow method      ◆         a technique that allows the rates of fast chemical reactions to be monitored, accomplished by suddenly blocking the flow of reaction and measuring, e.g., the optical density of a portion of solution by a rapid response method such as photoelectric photometry.

28574    ◆         STOPPING DISTANCE       ◆         정지거리

28575    ◆         stopping potential           ◆         the voltage required to halt the outward movement of electrons generated by a given photoelectric or thermionic action.

28576    ◆         stopping range   ◆         the distance to which an energetic particle can penetrate a medium before coming to rest, which is directly proportional to the medium's equivalent thickness; measured in milligrams per square centimeter, and inversely proportion to its density.

28577    ◆         STORAGE           ◆         저장(량)

28578    ◆         Storage  ◆         Temporary holding of waste pending treatment or disposal, as in containers, tanks, waste piles, and surface impoundments.

28579    ◆         STORAGE DISCHARGE     ◆         저장투하방식; 폐기물 적환장의 형식

28580    ◆         STORAGE FACILITIES        ◆         저장시설 : 폐기물처리 공정중 물질의 저장시설

28581    ◆         storage oscilloscope        ◆         an oscilloscope in which the cathode-ray tube stores an image for a predetermined duration, or until it is deliberately erased to make space for a new image.

28582    ◆         STORAGE PIT      ◆         저장소

28583    ◆         storage ring       ◆         a device for storing a beam of accelerated particles fed from an accelerator, consisting of a set of magnets set in a circular track that are adjusted to keep the particles circulating until they are used.

28584    ◆         storage time       ◆         ㆍ the time needed for excess minority carriers stored in a forward-biased P-N junction to be removed after the junction is switched to reverse bias; therefore, the time interval between the application of reverse bias and the cessation of forward current.the time needed for excess minority carriers stored in a forward-biased P-N junction to be removed after the junction is switched to reverse bias; therefore, the time interval between the application of reverse bias and the cessation of forward current. ㆍ the time required for extra charge carriers in the collector region of a saturated transistor to be removed when the base signal is changed from a maximum to a zero level, and hence for the collector current to cease.the time required for extra charge carriers in the collector region of a saturated transistor to be removed when the base signal is changed from a maximum to a zero level, and hence for the collector current to cease.

28585    ◆         storage tube      ◆         ㆍ an electron tube that uses cathode-ray-beam scanning and charge storage for the introduction, storage, and removal of information.an electron tube that uses cathode-ray-beam scanning and charge storage for the introduction, storage, and removal of information. ㆍ a cathode-ray tube that stores images on a separate storage screen behind the viewing screen in the tube; images remain on the viewing screen until the storage screen is erased.a cathode-ray tube that stores images on a separate storage screen behind the viewing screen in the tube; images remain on the viewing screen until the storage screen is erased.

28586    ◆         STORAGE-LOAD TYPE      ◆         일시저장 적재방식; 폐기물적환시 적용되는 적환방식

28587    ◆         STORET ◆         Storage and Retrieval of U.S. Waterways Parametric Data

28588    ◆         STORET ◆         Storage and Retrieval of Water-Related Data

28589    ◆         storm choke       ◆         a safety valve installed below the surface in the tubing string of an oil well to shut in the well when the flow reaches a specified rate and to act as an automatic shutoff if the control valve is damaged. Also, TUBING SAFETY VALVE.

28590    ◆         storm microseism           ◆         any microseism that is caused by the action of ocean waves and lasts 25 seconds or longer.

28591    ◆         STORM OVERFLOW CHAMBER     ◆            우수토실

28592    ◆         STORM SEWER   ◆         우수관거; 우수를 배제하기 위한 관거

28593    ◆         Storm Sewer      ◆         A system of pipes (separate from sanitary sewers) that carries water runoff from buildings and land surfaces.

28594    ◆         STORM WATER   ◆         우수; 강우와 녹은 강설로 된 유출수

28595    ◆         STP       ◆         Sewage Treatment Plan. Standard Temperature and Pressure

28596    ◆         straddle milling  ◆         the simultaneous face milling on both sides of a workpiece, by using two cutters spaced as needed.

28597    ◆         STRAIGHT BLADE FAN     ◆         평판 날개 송풍기 : 오염된 공기에 주로 이용되는 송풍기 유형

28598    ◆         straight turning  ◆         the process of turning a workpiece on a lathe to produce a shaft with a constant diameter over its entire length.

28599    ◆         straight wire       ◆         a device used to inoculate a subculture from an isolated colony or to prepare a stable culture; a rod-shaped metal handle holds a small straight piece of platinum or nickel-steel wire.

28600    ◆         straight-flow turbine        ◆         a low-head hydraulic turbine in which the reservoirs are connected by a straight tube into which the runners are integrated, and with the generator placed directly on the edge of the runners.