환경 및 무역 관련용어 모음집 environmental and trade terms : 27501-27600

환경 및 무역 관련용어 모음집 environmental and trade terms : 27501-27600

번호                  용어                  해설

27501    ◆         shear surface     ◆         a surface along which relative displacement has taken place parallel to the surface. Also, SHEAR PLANE.

27502    ◆         SHEAR VELOCITY ◆         전단속도

27503    ◆         shear-gravity wave          ◆         a wave disturbance that forms at the interface between atmospheric layers of different densities, causing the wave to move at different velocities.

27504    ◆         shearing ◆         the cutting or breaking up of materials by applying shear stress. Thus, shearing machine, shearing punch.

27505    ◆         shearing die       ◆         a die equipped with a punch so that the workpiece may be removed from the stock by shearing.

27506    ◆         sheath   ◆         a protective covering applied to a cable.  : in a waveguide, the external conducting surface of the wave- guide wall.  : the charge produced by the cluster of ions that appear near an electrode in a gas tube.

27507    ◆         SHEER SHREDDER           ◆         전단기; 폐기물처리의 단위공정인 파쇄과정에 이용되는 장비

27508    ◆         sheet lightning   ◆         a common cloud or cloud-to-cloud discharge whose illumination has been obscured by the surrounding cloud, giving the discharge a solid, diffuse appearance. Also, LUMINOUS CLOUD.

27509    ◆         SHEET PILE         ◆         강널말뚝, 시판

27510    ◆         sheet train         ◆         the entire machine assembly used for forming plastic sheets.

27511    ◆         shell      ◆         the outer skin, casing, or external covering of any machine or device such as a boiler.

27512    ◆         shell model        ◆         a model of an atom in which nucleons of a given type are postulated to reside in groups of roughly the same level of energy in a succession of orbits, or shells, around the nucleus.

27513    ◆         shell pump        ◆         a simple sand or sludge pump, consisting of a hollow cylinder with a ball or clack valve at the bottom and used with a flush of water.

27514    ◆         shell still            ◆         a large horizontal cylinder mounted over a furnace, used to distill crude oil in a petroleum refinery.

27515    ◆         shell structure    ◆         in the shell model, the configuration of the nucleus that places nucleons at roughly the same energy level in the same quantum state.

27516    ◆         shelly pahoehoe ◆         a type of pahoehoe whose surface is characterized by open tubes and blisters.

27517    ◆         shield    ◆         a metallic enclosure that houses an electromagnetic device and prevents it from interacting electromagnetically with other devices.  Nucleonics. an absorbing material that surrounds a nuclear reactor to aid in reducing radiation leakage from the system.  Metallurgy.  ㆍ any barrier that shields from radiant heat.any barrier that shields from radiant heat. ㆍ in electroplating, a nonconductive material placed at selected locations to modify the distribution of the electric current.in electroplating, a nonconductive material placed at selected locations to modify the distribution of the electric current.  Ordnance. an armored plate mounted on a gun carriage to protect the gun and crew.  Mining Engineering. a steel cylinder, used in excavating a tunnel in soft material, with a diameter equal to that of the tunnel.  Zoology. a protective plate, scale, or other such structure on the body of an animal.  Geology.  ㆍ a broad, stable area of the earth's crust consisting mostly of Precambrian rocks surrounded by sediment-covered platforms that have been generally unaffected by later orogenic episodes.a broad, stable area of the earth's crust consisting mostly of Precambrian rocks surrounded by sediment-covered platforms that have been generally unaffected by later orogenic episodes.

27518    ◆         shield grid         ◆         a structure in a glass tube that protects the anode and cathode from heat generated by the control electrode.

27519    ◆         SHIELD SYSTEM  ◆         보호시스템

27520    ◆         shield-grid thyratron       ◆         a tube in which both the cathode and the shield grid emit electrons to trigger current flow.

27521    ◆         shielding factor  ◆         the ratio of the actual strength of a magnetic field to the recorded strength of the field on a directional compass after the materials of that compass have dissipated the strength of the field.

27522    ◆         shimmy ◆         excessive vibrations in the front wheels of a motor vehicle, reinforced by resonance at critical speeds.

27523    ◆         shipping conventions      ◆         해운협약

27524    ◆         shiran    ◆         an instrument that measures the distance of radio signals with extreme accuracy.

27525    ◆         shock    ◆         any pulse or abrupt transient motion or sudden force that can initiate a mechanical response in a system

27526    ◆         shock absorber   ◆         a device, such as a spring or hydraulic damper, that is designed to absorb the energy associated with impact so as to reduce the amount of shock to the frame or support. Informally called shocks.

27527    ◆         shock excitation  ◆         the excitation generated by a pulse; used to begin oscillation in an oscillator's resonant circuit.

27528    ◆         shock isolation   ◆         the use of shock absorbers or other devices to relieve the shock to a specific element.

27529    ◆         Shock Load        ◆         The arrival at a water treatment plant of raw water containing unusual amounts of algae, colloidal matter. color, suspended solids, turbidity, or other pollutants.

27530    ◆         shock loading     ◆         the process of exposing geological materials to artificially created shock waves generated by explosions, or the exposure of these materials to the impact of a meteorite.

27531    ◆         shock melting    ◆         the fusion of geological materials at high temperatures produced by high-energy shock waves.

27532    ◆         shock mount      ◆         a structure upon which a shock-absorbing device is mounted to prevent the transmission of shock motion to sensitive equipment.

27533    ◆         SHOCK WAVE     ◆         충격파 : 유체중의 초음파운동에 따라 일어나는 충격적인 파

27534    ◆         Shockley diode   ◆         a device that converts alternating current into direct current by employing the electrical properties of silicon; commonly used to trigger electrical circuits.

27535    ◆         shoe     ◆         ㆍ a part of a brake that applies pressure to the drum rim. Also, BRAKE SHOE.a part of a brake that applies pressure to the drum rim. Also, BRAKE SHOE. ㆍ a socket or cap that acts as a receptacle for beams and trusses to bear the thrust of the loads.a socket or cap that acts as a receptacle for beams and trusses to bear the thrust of the loads.

27536    ◆         shoe brake         ◆         a brake that operates on friction between an element (shoe) and the surface of a rotating drum.

27537    ◆         shoot    ◆         the geologic exploration of an area by detonating high explosives that generate seismic waves, which are analyzed to determine the makeup of the materials through which they have passed.

27538    ◆         shore tank         ◆         a shoreside tank in which liquid petroleum products released by tankers are stored.

27539    ◆         short residuum   ◆         a type of residual oil that cannot be volatized by vacuum distillation and is refined to make very viscous lubricants.

27540    ◆         short stop          ◆         a substance added to terminate the reaction during a polymerization process.

27541    ◆         SHORT WAVE RADIATION ◆         단파복사

27542    ◆         SHORT-CIRCUITING         ◆         단로흐름

27543    ◆         Short-Circuiting  ◆         When some of the water in tanks or basins flows faster than the rest; may result in shorter contact, reaction, or settling times than calculated or presumed.

27544    ◆         short-gate gain   ◆         a short-range gate's video gain.

27545    ◆         short-tube vertical evaporator       ◆            a process evaporator that consists of a vertical cylinder containing vertical tubes in horizontal tube sheets; used mainly to evaporate cane sugar juice. Also, CALANDRIC, ROBERTS, or STANDARD EVAPORATOR.

27546    ◆         shortwave converter        ◆         a device that is connected between a radio's antenna and receiver, allowing the receiver to accept signals at a higher-than-normal frequency.

27547    ◆         SHORTZ ◆         Short Term Terrian Model

27548    ◆         shot effect         ◆         excess voltage generated in a tube by unstable electrons, producing popping sounds in a radio broadcast or snow in a television picture. Also, SCHOTTKY NOISE, SHOT NOISE.

27549    ◆         shot feed           ◆         a mechanism for delivering chilled steel shot to the drill bit of a calyx drill (shot drill).

27550    ◆         shovel   ◆         a machine for excavation in which large amounts of earth are moved by scooping action.

27551    ◆         shovel loader     ◆         a machine capable of scooping loose material, elevating it, and ejecting it to the rear of the machine.

27552    ◆         SHREDDER         ◆         분쇄기, 세단기

27553    ◆         SHREDDER OR CRUSHER ◆         쓰레기 파쇄기

27554    ◆         SHREDDING       ◆         파쇄; 폐기물처리공정으로 grinding, milling 과 같은 의미로 쓰임

27555    ◆         shunt    ◆         ㆍ a parallel connection.a parallel connection. ㆍ to create a parallel connection.to create a parallel connection.  : a piece of iron in a magnetic circuit providing a parallel path for magnetic flux about an air gap.

27556    ◆         shunt peaking    ◆         a method of compensating for frequency loss by placing a coil between two circuits whose load capacities differ.

27557    ◆         shut-in well        ◆         a well whose wellhead valves have been closed, ceasing production.

27558    ◆         shutoff head      ◆         the pressure developed in a system when the flow in a centrifugal or axial flow pump is terminated.

27559    ◆         shuttle   ◆         the back and forth motion of a machine that is facing in one direction.

27560    ◆         shuttle conveyor ◆         a conveyor in a self-contained structure in which the motion is parallel to the flow of material along a defined path.

27561    ◆         SHWL    ◆         Seasonal High Water Level

27562    ◆         SI         ◆         현장정밀조사; 사전평가의 다음단계로 불량매립지의 서열화를 위한 현장조사. Site Investigation

27563    ◆         SI         ◆         International System of Units. Site Inspection. Surveillance Index. Spark Ignition

27564    ◆         Siacci method    ◆         an analytic method for calculating the trajectories of high-velocity missiles with low quadrant angles of departure, assuming that atmospheric density anywhere on the trajectories is constant, and that the angle of departure is less than about 20°.

27565    ◆         SIC        ◆         표준산업분류법미국 ; 미국의 표준산업분류법으로 산업장에서 발생한 폐기물의 발생원과 형태를 분류하고 있다. Standard Industrial Classification

27566    ◆         SIC        ◆         Standard Industrial Classification

27567    ◆         SICEA    ◆         Steel Industry Compliance Extension Act

27568    ◆         Sick Building Syndrome   ◆         Building whose occupants experience acute health and/or comfort effects that appear to be linked to time spent therein, but where no specific illness or cause can be identified. Complaints may be localized in a particular room or zone, or may spread throughout the building. (See: building-related illness.)

27569    ◆         side direction     ◆         in stress analysis, a term for any direction that is normal to the plane of symmetry of an object.

27570    ◆         side lobe           ◆         any of several minor beams formed around the main beam of passive sonar and steered to the sound source of interest.  : in an antenna, a direction other than the intended main direction in which there is appreciable radiation, though less than in the main direction.

27571    ◆         side milling        ◆         the use of a side-milling cutter to mill a vertical surface over the edge of a workpiece or to cut grooves or slots.

27572    ◆         side rake            ◆         an angle between a reference plane and the tool face of a single-point turning tool.

27573    ◆         side reaction      ◆         a reaction that takes place in addition to a primary chemical reaction, usually reducing the yield of the desired product.

27574    ◆         side slope          ◆        in vehicle testing, a test course set up to determine factors such as the vehicle's lateral stability, steering, and carburation.

27575    ◆         side-lobe blanking          ◆         a technique that contrasts the signal strength between a stationary antenna and one that rotates.

27576    ◆         siderophile element         ◆         a term for iron or for an element having a chemical affinity for iron; the classification is based on the distribution of elements in meteorites.

27577    ◆         sidestream         ◆         a liquid stream taken from a contacting tower at any intermediate point.Hydrology.

27578    ◆         sidestream stripper         ◆         the process equipment used to further distill an intermediate stream from a contacting tower.

27579    ◆         sidetracking       ◆         the drilling of a second oil well to bypass an obstruction in an adjacent, nonproducing well.

27580    ◆         SIDEWATER DEPTH          ◆         측벽수심

27581    ◆         SIDS (Screening Information Data Set: 대량생산화학물질위해성평가사업)     ◆         연간 1,000톤이상 생산·수입되는 화학물질(HPV)의 독성 및 노출자료 등을 토대로 기초적 위해성평가 정보를 검토하여 해당 화학물질의 유·위해성을 대하여 자료를 생산하는 OECD 화학물질분야 협력사업이다.          현재 5,253종의 HPV가 등록되어 있으며 우리나라도 462종의 화학물질이 HPV로 등록되어 있다.

27582    ◆         SIDS(Screening Information Data Set: 대량생산화학물질위해성평가사업)        ◆         연간 1,000톤이상 생산·수입되는 화학물질(HPV)의 독성 및 노출자료 등을 토대로 기초적 위해성평가 정보를 검토하여 해당 화학물질의 유·위해성을 대하여 자료를 생산하는 OECD 화학물질분야 협력사업이다. 현재 5,253종의 HPV가 등록되어 있으며 우리나라도 462종의 화학물질이 HPV로 등록되어 있다.

27583    ◆         SIERRA CLUB      ◆         시에라 클럽 : 미국에서 금광개발로 인하여 서부의 삼림지대가 훼손되자 이를 지키기 위해 1892년 미국 국내조직으로 설립된 조직으로 1972년에 국제적 조직으로 발전되었고 워싱톤에 본부를 두고 있음

27584    ◆         sieve analysis     ◆         a mechanical analysis of unconsolidated material, whereby material is put through sieves of various sizes to determine the size distribution of the component particles. Also, sieve classification.

27585    ◆         sieve plate         ◆         a plate used in a contacting tower in which the liquid flows directly across the tray while the gas flows upward through holes in the tray. Also, sieve tray.

27586    ◆         sieve shaker       ◆         a machine used for sieve testing that holds several test sieves vertically while it imparts both a circular and a tapping motion on the sieves to check the accuracy of their sifting.

27587    ◆         SIEVING ◆         체분리

27588    ◆         sigma bond       ◆         a covalent bond that forms at the point where the electron orbitals of two adjoining atoms overlap. Also, -bond.

27589    ◆         SIGMOIDAL CURVE         ◆         S자형 적정곡선; 세로축은 분석물 또는 표준용액의 p-함수나 분석물 또는 표준물에 감응하는 전극의 전위값

27590    ◆         signal    ◆         any transmitted electrical impulse.  Transportation Engineering. an acoustic or visual apparatus that attracts attention by giving off an appropriate indication, such as a foghorn or signal light.

27591    ◆         signal    ◆         The volume or product-level change produced by a leak in a tank.

27592    ◆         Signal Conditioning (신호 조정)    ◆            신호의 형식과 상태를, 펄스 형성, 펄스 원활, 보정, 디지탈화, 직선화등의 조작을 행하는 회로에 의해서, 인식하고 쉬운 신호와 호환성을 가지는 신호에 처리하는 것.

27593    ◆         signal distortion generator           ◆            an instrument that generates distorted signals; used to test or adjust communications equipment.

27594    ◆         signal level         ◆         the decibel magnitude of a sound, referenced to a zero decibel level for a reference sound pressure such as one micropascal.  Telecommunications. the difference between the level of a signal at a certain location in a transmission system and the level of a preselected reference signal.

27595    ◆         signal tracer       ◆         an instrument that monitors a signal passing through a circuit in order to detect faulty wiring or components; commonly used in radio receivers and audio amplifiers.

27596    ◆         Signal Words      ◆         The words used on a pesticide label--Danger, Warning, Caution--to indicate level of toxicity.

27597    ◆         signal-shaping network    ◆         a circuit that is added to a telegraph, normally at the receiving end, to improve reception.

27598    ◆         signal-strength meter      ◆         a device that calibrates the strength (level) of an incoming signal in a communication receiver, generally expressed in decibels or arbitrary S units.

27599    ◆         signal-to-interference ratio           ◆            the ratio of the amplitude of a desired signal to that of a signal interfering with its reception

27600    ◆         signal-to-noise ratio        ◆            specifically, the ratio (in decibels) of an acoustic signal from a specific source to the ambient noise or system noise; used as a measure of the fidelity of a tuning system.