환경 및 무역 관련용어 모음집 environmental and trade terms : 30501-30600

환경 및 무역 관련용어 모음집 environmental and trade terms : 30501-30600

번호                  용어                  해설

30501    ◆         volcanic chain    ◆         a line of volcanic mountains, often along a fault.

30502    ◆         volcanic cone     ◆         a cone-shaped hill formed by volcanic discharges around a volcanic vent, composed of lava or pyroclastic materials.

30503    ◆         volcanic dome    ◆         a steep-sided, rounded mass of viscous lava forming a dome-shaped or bulbous mass over a volcanic vent.

30504    ◆         volcanic neck     ◆         a mass of hardened volcanic magma that has been thrust upward into a volcanic cone by subterranean pressure, remaining upright after the surrounding material has been stripped away by erosion.

30505    ◆         volcanic water    ◆         magmatic water that is on or just under the earth's surface.

30506    ◆         voltage amplification       ◆         the amplification of an input-signal voltage to produce a higher output-signal voltage.

30507    ◆         voltage amplifier ◆         any amplifier designed to increase a signal's voltage.

30508    ◆         voltage clamp technique  ◆         a technique for studying the effects of membrane potentials; microelectrodes are placed in a cell and adjusted so that the membrane potential is held at a specific voltage.

30509    ◆         voltage doubler  ◆         a rectifier circuit that rectifies each half cycle of an alternating voltage separately and adds the two rectified voltages to produce a direct voltage having approximately twice the peak amplitude of the original applied alternating voltage.

30510    ◆         voltage feed       ◆         the excitation point on a transmitting antenna at which the voltage is applied at an antinode or voltage loop.

30511    ◆         VOLTAGE FOLLOWER       ◆         전압폴로어

30512    ◆         voltage gain       ◆         the ratio of an output-signal voltage level to the input-signal voltage level, usually expressed in decibels.

30513    ◆         voltage gating    ◆         the regulating of permeability of a membrane by opening a channel in response to a change in membrane potential.

30514    ◆         voltage generator           ◆         a two-terminal circuit element whose terminal voltage is independent of its current.

30515    ◆         voltage node      ◆         in a system that supports a standing wave, a point at which the voltage is zero, as at the midpoint of a half-wave antenna.

30516    ◆         voltage quadrupler          ◆         a rectifier circuit that uses four diodes to produce a DC voltage that is four times the peak of the AC input voltage.

30517    ◆         voltage regulator ◆         a circuit or device that produces a nearly constant voltage output, even though the voltage input (line) and current output (load) vary widely. Also, VOLTAGE CORRECTOR.

30518    ◆         voltage-controlled oscillator         ◆            an oscillator having an output frequency that varies with the applied direct current control voltage.

30519    ◆         voltage-regulator diode   ◆         a diode in which the voltage is independent of the current for a considerable range of current values, such as a Zener diode. The diode may be used as the main component of a simple voltage regulator, or as a constant voltage reference for a more elaborate voltage regulator circuit.

30520    ◆         voltage-regulator tube     ◆         a glow-discharge tube that maintains an essentially constant tube voltage drop over the operating range of current.

30521    ◆         voltametry         ◆         a technique for measuring current passing through an electrolytic solution while a series of voltages is applied.

30522    ◆         voltammeter       ◆         an instrument that can measure current and voltage.

30523    ◆         VOLUME CONDUCTION   ◆         체적전도

30524    ◆         VOLUME REDUCTIN        ◆         압축; Densification과 같은 의미로 쓰인다

30525    ◆         Volume Reduction           ◆            Preocessing waste materials to decrease the amount of space they occupy, usually by compacting, shredding, incineration, or composting.

30526    ◆         VOLUME REQUIREMENTS FOR EQUALIZATION BASIN     ◆         조정조의 필요유량; 유량종에 필요한 일정한 양의 용량이 필요

30527    ◆         volume strain     ◆         a strain that causes a change in the volume of a substance, as opposed to one causing a change only in its shape.

30528    ◆         volume stress     ◆         a measure of the external force causing a change in the volume of a substance, per unit area of the substance.

30529    ◆         VOLUME TRY      ◆         부피법 : 분석 분석물과 완전히 반응한 시약용액의 부필르 측정

30530    ◆         volume velocity  ◆         the rate of flow of a fluid medium that is driven by a sound wave, across a specified boundary.

30531    ◆         volume-limiting amplifier ◆         an amplifier equipped with an automatic device that functions when the input volume exceeds a specified level, then reduces the gain in such a way that the output volume remains essentially constant despite further input volume increases.

30532    ◆         volumetric analysis          ◆         the quantitative measure of a solution of known volume but unknown concentration, determined by adding reagents of known concentration until the reaction is complete.

30533    ◆         volumetric flask  ◆         a flask with only one calibration, used to measure and prepare definite fixed volumes of liquids.

30534    ◆         volumetric loading rate    ◆         the rate of addition of raw materials to a fermenter or to an aerobic digester, expressed in terms of weight of material per unit volume per unit time.

30535    ◆         volumetric pipet ◆         an open-ended graduated glass tube used to measure different quantities of liquids.

30536    ◆         Volumetric Tank Test        ◆         One of several tests to determine the physical integrity of a storage tank; the volume of fluid in the tank is measured directly or calculated from product-level changes. A marked drop in volume indicates a leak.

30537    ◆         volute pump      ◆         a centrifugal pump housed in a spiral casing.

30538    ◆         volute spring      ◆         a conical-shaped coil spring that extends in the direction of the axis of the coil.

30539    ◆         Vorce diaphragm cell       ◆         a cylindrical, electrolytic cell with an asbestos-covered cathode and graphite anodes; used for producing chlorine.

30540    ◆         VORTEX SHEDDING         ◆         와류식; 수처리시설에서 사용되는 유량측정 장치

30541    ◆         VORTEX-STABILIZED ARC ◆         와류 안정화 아크

30542    ◆         Vortex-type grit chambers            ◆            와류식 침사지; 침사지의 종류

30543    ◆         VOS      ◆         Volatile Organic Sampling Train

30544    ◆         VOST    ◆         Volatile Orgaanic Sampling Train

30545    ◆         VP        ◆         Vapor Pressure

30546    ◆         VPP (Victims Pay Principle)           ◆            피해자부담원칙

30547    ◆         VS, VOLATILE SOLIDS IGNITION LOSS            ◆         강열감량

30548    ◆         VSD      ◆         Virtually Safe Dose

30549    ◆         VSI        ◆         Visual Site Inspection

30550    ◆         VSS       ◆         Volatile Suspended Solids

30551    ◆         Vulnerability Analysis       ◆            Assessment of elements in the community that are susceptible to damage if hazardous materials are released.

30552    ◆         Vulnerable Zone ◆         An area over which the airborne concentration of a chemical accidentally released could reach the level of concern.

30553    ◆         WA       ◆         Work Assignment

30554    ◆         Wacker process  ◆         a procedure used to oxidize ethylene to acetaldehyde, by contacting with oxygen in the presence of cupric chloride and palladium chloride.

30555    ◆         WADTF  ◆         Wesrern Atmospheric Deposition Task Force

30556    ◆         wafer    ◆         a flat semiconductor slice on which microcircuits or individual microcircuit devices can be fabricated.

30557    ◆         wafer lever switch           ◆         a lever switch that engages one or more contacts on a movable wafer segment; actuated by the lever with contacts on one or both sides of the wafer.

30558    ◆         wafer socket       ◆         an electron tube or transistor socket consisting of one or two plastic or ceramic wafers with spring-metal clips that grip the terminal pins of the tube or transistor.

30559    ◆         WAG     ◆         Waste Area Grouping

30560    ◆         Wagner's reagent            ◆         an aqueous solution of potassium iodide and iodine; used in the microscopic analysis of alkaloids. Also, Wagner's solution.

30561    ◆         Wahl correlation ◆         a correlation based on assumed data for pressure, volume, and temperature; used to estimate total recovery from a solution-gas-drive oil reservoir.

30562    ◆         wait-and-see stage          ◆         관망단계

30563    ◆         WAKE-FLOW REGION      ◆         반류 영역

30564    ◆         Walden's rule     ◆         the observation that the viscosity and the conductance in an electrolytic solution will vary inversely with each other.

30565    ◆         Waldhof fermenter          ◆         a fermenter in which aeration and agitation are provided by a hollow, bladed, wheel-type impeller.

30566    ◆         walkdown          ◆         a failure in magnetic core storage, in which successive drive pulses cause charges in magnetic flux that remain after the magnetic field is removed.

30567    ◆         walking beam     ◆         a rigid member whose ends rest on supports that move up and down independently, and whose center is hinged to the load it carries.

30568    ◆         walking dragline ◆         a large-capacity shovel mounted on moving feet that are mechanically worked to maneuver as required.

30569    ◆         walking machine ◆         a transportation device that uses four operator-controlled mechanical legs as a means of locomotion.

30570    ◆         wall cake           ◆         the deposit of solids along a borehole due to the filtration of drilling-mud liquids into the formation; can lead to serious drilling problems. Also, FILTER CAKE.

30571    ◆         wall crane          ◆         a light crane that is pivoted on bearings and affixed to the wall of a building.

30572    ◆         wall effect          ◆         an increase in ionization caused by the liberation of electrons from the walls of an ionization chamber during the ionization process.

30573    ◆         Walley engine     ◆         an engine with four elliptical rotors that turn clockwise and lead to excessively high rubbing velocities.

30574    ◆         WALL-STABILIZED ARC     ◆         벽면 안정화 아크

30575    ◆         WAMS (Wide Area Measurement System)            ◆         송전 시설에 대해 실시간으로 측정한 정보를 시스템으로 보내 효율성과 신뢰도를 높히고 안전하게 자동 제어 하는 네트워크 기술. 미국 서부에 상용화 되어 있고, 국내에서도 이와 비슷한 기술이 사용되고 있다. 그러나 미래에는 이 기술이 실시간으로 전력 수요량과 공급량을 측정해 전력의 지역별 가격을 산출하여 전력 시장에도 큰 영향을 끼칠 것이다.

30576    ◆         Wankel engine    ◆         a rotary internal-combustion engine developed by the German engineer Felix Wankel, having a three-lobe rotor that turns in a close-fitting chamber, so that the power stroke is applied to each of the three faces of the rotor in turn as they pass a single spark plug.

30577    ◆         WAP     ◆         Waste Analysis Plan

30578    ◆         WARBLE TONE    ◆         진음 : 주파수가 어떤 번위내를 연속적 주기적으로 변화하는 음

30579    ◆         Warburg apparatus         ◆         a manometer that is used for studying the cellular respiration of tissues or cells by measuring oxygen uptake and carbon-dioxide evolution.

30580    ◆         Warburg impedance        ◆         the element in the equivalent circuit on an electrochemical cell that represents diffusional processes.

30581    ◆         WARM FRONT    ◆         온난전선

30582    ◆         warm-air heating ◆         the process of heating by circulating warm air by means of a direct-fired furnace surrounded by a bonnet through which the air circulates.

30583    ◆         warmth  ◆         a qualitative characteristic of room acoustics opposite to that of brilliance; a warm room is an enclosure whose reverberation time for low frequencies is greater than the reverberation time for high frequencies.

30584    ◆         warning-receiver system  ◆         an electronic countermeasure in which a pilot is notified when his aircraft is being illuminated by radar signals above certain power thresholds.

30585    ◆         warpage ◆         a turning and twisting of a material out of shape, due to a gradual, inhomogeneous change of internal stress or mechanical properties.

30586    ◆         wash water        ◆         water that has contacted gas or liquid process streams, filter cakes, or packed beds to dissolve or flush away unclean substances and impurities.

30587    ◆         washer thermister           ◆         a washer-shaped thermister having a center hole for a mounting screw or a stacking rod.

30588    ◆         Washing return to primary           ◆            일차침강조로 세척액;

30589    ◆         WASP4  ◆         Water Analysis Simulation Program

30590    ◆         Waste    ◆         1. Unwanted materials left over from a manufacturing process. 2. Refuse from places of human or animal habitation.

30591    ◆         Waste activated sludge    ◆         폐활성슬러지 ; WAS

30592    ◆         Waste air activated sludge            ◆            폐 활성슬러지; 반송되지않는 활성슬러지

30593    ◆         waste audits       ◆         폐기물 감사

30594    ◆         Waste Characterization    ◆            Identification of chemical and microbiological constituents of a waste material.

30595    ◆         WASTE COLLECTION       ◆         폐기물수거

30596    ◆         Waste Exchange  ◆         Arrangement in which companies exchange their wastes for the benefit of both parties.

30597    ◆         Waste Feed        ◆         The continuous or intermittent flow of wastes into an incinerator.

30598    ◆         Waste Generation           ◆         The weight or volume of materials and products that enter the waste stream before recycling, composting, landfilling, or combustion takes place. Also can represent the amount of waste generated by a given source or category of sources.

30599    ◆         WASTE HANDLING          ◆         폐기물 취급; 폐기물의 수거전 또는 재활용센타로 보내지기 전에 저장을 위해 쓰레기통에 넣게 될때까지의 모든 폐기물관리상의 행위를 말한다.

30600    ◆         WASTE HEAT BOLIER       ◆         폐열보일러; 폐기물연소시 열회수를 위한 방법

https://smartstore.naver.com/smallme/products/5605946432

컬러링 스몰미빌딩 (20개 도시 세트) 미술교육. 창의력 발달. 해외여행. 창의력교육. 색칠공부, :