환경 및 무역 관련용어 모음집 environmental and trade terms : 30101-30200

환경 및 무역 관련용어 모음집 environmental and trade terms : 30101-30200

번호                  용어                  해설

30101    ◆         Unit gas flow     ◆         가스유량;

30102    ◆         unit heater         ◆         a forced-convection heating device consisting of an encased heating surface with a fan and motor.

30103    ◆         UNIT LOADING FACTOR   ◆         단위부하인자;

30104    ◆         UNIT OPERATION            ◆         단위조작; 주로 물리력을 응용하여 처리하는 방법

30105    ◆         unit operations   ◆         the major and distinct physical operations ofChemical Engineering, such as evaporation, distillation, extraction, fluid transport, heat and mass transfer, filtration, crystallization, mixing, drying, crushing and grinding, size separation, and conveying.

30106    ◆         UNIT PER CAPITA LOADING FACTOR            ◆         1인당 단위부하인자;

30107    ◆         Unit power         ◆         동력; 장비의 모터동력은 보통 hp로 나타냄

30108    ◆         unit process       ◆         a stage in a plant operation that includes a chemical conversion or change, such as ester formation in chemical manufacturing.

30109    ◆         unit strain          ◆         the effect per unit length on a material that is subject to stress; e.g., the lengthening per unit area for a tensile strain.

30110    ◆         unit stress          ◆         the stress on a structure at a certain place, expressed in units of force per unit of cross-sectional area.

30111    ◆         unitary air conditioner     ◆         a small, self-contained air conditioner that is used to cool a specified space.

30112    ◆         UNIT-BASED CONCENTRATION     ◆            단위농도

30113    ◆         UNITED NATIONS COMMISSION ON SUSTAINABLE DEVELOPMENT       ◆         유엔 지속개발위원회  UNCSD, UN 경제사회이사회산하에 설치된 기구로서 각국의 의제 21 추진상황을 평가 촉진하기 위해 설립

30114    ◆         UNITED NATIONS CONFERENCE ON ENVIRONMENT AND DEVELOPMENT         ◆         유엔환경개발회의; 1992년 브라질 리우에서 환경적으로 건전하고 지속가능한 개발의 실현을 위해 114개 국가 대표, 기타 민간단체등이 참석한 국제 환경회의. UNCED

30115    ◆         United Nations conference on human and environment       ◆         유엔인간환경회의

30116    ◆         UNITLESS-BASED CONCENTRATION            ◆         무단위농도

30117    ◆         unity gain bandwidth      ◆         the bandwidth of an amplifier, shown on its frequency-response curve as the range between the upper and lower frequencies at which the gain of the amplifier has a value of 1 (unity).

30118    ◆         univalent           ◆         having a valence of one. Also, MONOVALENT.  Genetics. describing a single unpaired chromosome at meiosis, when the other chromosomes present are paired and homologous.

30119    ◆         UNIVERSAL GAS CONSTANT        ◆            보편기체상수

30120    ◆         universal grinding machine          ◆            a machine tool with a grinding head whose spindles are parallel with a reciprocating table that carries a workhead and support tailstock, allowing for a wide range of plain, tapered, and surface grinding.

30121    ◆         universal joint    ◆         a geared joint placed between two shafts that allows the shafts to turn or swivel at an angle. Also, UNIIVERSAL COUPLING.

30122    ◆         universal motor  ◆         a series-wound motor designed to operate on both DC current and on a single-phase AC current; commonly used in small appliances and motorized tools.

30123    ◆         universal transmission function     ◆            a mathematical model describing the propagation of infrared radiation in the atmosphere.

30124    ◆         universal tube    ◆         a cylindrical shoulderless screw-cap glass vial with a volume of about 25 milliliters.

30125    ◆         UNLEADED GASOLINE     ◆         무연휘발유 : 납해를 방지하기 위하여 만든 가솔린

30126    ◆         unloaded Q        ◆         the ratio of the reactance of a device or circuit to its resistance when there is no external load. Also, INTRINSIC Q.

30127    ◆         unloader            ◆         a device that removes bulk materials from freight cars or trucks, usually by electric power.

30128    ◆         unloading          ◆         ㆍ the emptying or depressuring of a process unit.the emptying or depressuring of a process unit. ㆍ a failure of a filter medium with release of system pressure.a failure of a filter medium with release of system pressure. 3. the release of an isolated contaminant downstream.the release of an isolated contaminant downstream.

30129    ◆         unloading amplifier         ◆         an amplifier having a sufficiently high input impedance that it appears as a negligible load to the source of the signal being amplified.

30130    ◆         unnilhexium       ◆         a provisional name for the transuranic element having atomic number 106.

30131    ◆         unnilpentium      ◆         a provisional name for the transuranic element having atomic number 105. Also, HAHNIUM.

30132    ◆         unnilquadium     ◆         a provisional name for the transuranic element having atomic number 104. Also, RUTHERFORDIUM.

30133    ◆         Unplanned reuse ◆         무계획 계사용; 처리되어 하천으로 방류된 폐수를 필요에 따라 무계획적으로 취수하여 사용하는 과정

30134    ◆         Unreasonable Risk          ◆         Under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA), unreasonable adverse effects means any unreasonable risk to man or the environment, taking into account the medical, economic, social, and environmental costs and benefits of any pesticide.

30135    ◆         unsaturated        ◆         of a solution, able to dissolve additional solute; not having the maximum possible amount of a substance. Also, UNDERSATURATED.

30136    ◆         unsaturated compound    ◆         a compound in which the maximum valency has not been reached and therefore may form more bonds with additional atoms.

30137    ◆         unsaturated solution       ◆         a solution that does not hold as much dissolved solute as would be in equilibrium with undissolved solute, and thus can still dissolve more solute.

30138    ◆         UNSATURATED ZONE      ◆         불포화층; 토양, 수분, 공기로 구성된 지하지질층

30139    ◆         Unsaturated Zone           ◆         The area above the water table where soil pores are not fully saturated, although some water may be present.

30140    ◆         unsaturation       ◆         the condition of a solution in which it has not taken in the maximum possible amount of a solute and can accept more.

30141    ◆         Unsin engine      ◆         a rotary engine with two circular rotors instead of the trochoidal rotors of an eccentric rotor engine.

30142    ◆         unsprung axle    ◆         a rear axle in an automobile that houses the right and left rear-axle shafts, with the wheels mounted at the outer end of each shaft.

30143    ◆         unsprung weight ◆         the weight of the parts of an automobile that are not carried on a spring.

30144    ◆         unstable equilibrium       ◆         the condition of a system in equilibrium, such that any net force or torque that the system experiences will tend to move it farther away from equilibrium.

30145    ◆         UNSTABLE STATE ◆         불안정상태

30146    ◆         Untreated digested sludge           ◆            소화되지 않은 슬러지;

30147    ◆         UNTREATED WASTEWATER           ◆            미처리 폐수

30148    ◆         UNwater conference        ◆         UN 수자원 회의

30149    ◆         unwind  ◆         to reverse the direction of rotation of a threaded device.

30150    ◆         up-converter      ◆         ㆍ any circuit that produces an output signal at a higher frequency than the input signal.any circuit that produces an output signal at a higher frequency than the input signal. ㆍ a light-emitting diode that emits visible light when stimulated by infrared radiation.a light-emitting diode that emits visible light when stimulated by infrared radiation.

30151    ◆         up-doppler        ◆         a phenomenon in which the frequency of sound increases due to the decrease of wavelengths caused by the relative motion of the sound source, the listener, and the medium carrying the sound waves.

30152    ◆         updraft carburetor          ◆         a carburetor in which the fuel mixture is drawn upward against the force of gravity.

30153    ◆         updraft furnace  ◆         a furnace that is supplied with air from beneath the fuel bed.

30154    ◆         UPFLOW FILTER  ◆         상향류식 여과

30155    ◆         upflow sludge blanket     ◆         an anaerobic digester in which the microorganisms form flocs that are kept in suspension in the lower part of the reaction tank.

30156    ◆         uphole time       ◆         the time it takes for a wave created during seismic prospecting to travel from a given depth in the shothole to the surface.

30157    ◆         upmilling           ◆         the process of milling an object by rotating the cutter against the feed direction.

30158    ◆         UPOV    ◆         새로운 식물변종 보호를 위한 국제 연맹  international union for the protection of new varieties of plants

30159    ◆         Upper Detection Limit     ◆         The largest concentration that an instrument can reliably detect.

30160    ◆         upper half-power frequency         ◆            the standard upper frequency-response limit of an amplifier; the upper frequency at which the power output of a power amplifier falls to one-half its midrange value. In the case of voltage or current amplifiers, the half-power point is the higher of the two half-power frequencies of an amplifier or filter.

30161    ◆         UPSTREAM CONTROL OF PEAK FLOWRATES       ◆         첨두유량의 처리장 상반부에서의 제어;

30162    ◆         upstream(일차측) ◆         막또는 필터의 여과전의 액상측.

30163    ◆         upwelling           ◆         a mild, gradual volcanic eruption.

30164    ◆         Uranium Mill Tailings Piles           ◆            Former uranium ore processing sites that contain leftover radioactive materials (wastes), including radium and unrecovered uranium.

30165    ◆         Uranium Mill-Tailings Waste Piles  ◆            Licensed active mills with tailings piles and evaporation ponds created by acid or alkaline leaching processes.

30166    ◆         uranium series    ◆         a series of three naturally occurring transformation series of radioactive isotopes that form a sequence of parent-daughter relationships through alpha and beta decay, beginning with uranium-238 and ending in the stable isotope of lead-206. Also, uranium decay series, uranium-radium series.

30167    ◆         URBAN HEAT ISLAND      ◆         도시열섬현상

30168    ◆         URBAN HEAT ISLAND EFFECT       ◆            도시열섬효과 : 도시의 고온현상

30169    ◆         Urban Runoff     ◆         Storm water from city streets and adjacent domestic or commercial properties that carries pollutants of various kinds into the sewer systems and receiving waters.

30170    ◆         URBAN SCALE    ◆         도시규모

30171    ◆         urea dewaxing    ◆         a continuous process in petroleum refining in which low-pour-point oils are manufactured; a filterable solid complex is formed by urea with the straight-chain wax paraffins in the stock.

30172    ◆         Urea-Formaldehyde Foam Insulation            ◆         A material once used to conserve energy by sealing crawl spaces, attics, etc.; no longer used because emissions were found to be a health hazard.

30173    ◆         USC      ◆         Unified Soil  Classification

30174    ◆         USDA    ◆         United States Department of Agriculture

30175    ◆         USDW   ◆         Underground Sources of Drinking Water

30176    ◆         use　 point  ( 유스포인트  )       ◆            순수한 물, 초순수한 물의 최종채수점의 것. 순수한  물 장치 본체에 있는 경우와, 장치로부터 츄빙등으로 연장해 크린 벤치내유스 포인트등의 경우도 있다.

30177    ◆         Use Cluster        ◆         A set of competing chemicals, processes, and/or technologies that can substitute for one another in performing a particular function.

30178    ◆         Use of bulking materials such as newspaper pulp and flyash          ◆         신문용지 생산용 펄프 그리고 비산재와 같은 성글은 물질을 이용하는 방법; 슬러지 개량법으로 실험실이나 파일럿규모로 실행되고 있는 방법

30179    ◆         USE OF INDICATOR ORGANISMS  ◆            지표 미생물의 이용;

30180    ◆         Used Oil            ◆         Spent motor oil from passenger cars and trucks collected at specified locations for recycling (not included in the category of municipal solid waste).

30181    ◆         USEFUL LIFE       ◆         내용년수 : 제품이 사용지점에서 최종소비자의 손에 들어와서 부터 그 제품이 최종사용자에 의해 사용되어 버려지기까의 기간

30182    ◆         USER CHARGE SYSTEM    ◆         사용자 부담금 제도(폐)

30183    ◆         User Fee            ◆         Fee collected from only those persons who use a particular service, as compared to one collected from the public in general.

30184    ◆         user pays principle          ◆         수요자 부담원칙

30185    ◆         USFS     ◆         United States Forest Service FS:

30186    ◆         USGCRP [US Global Change Research Program]           ◆         미국 지구 기후변화 연구 프로그램. 대기, 기후변동/변화, 물순환, 지표피복변화, 지구탄소순환, 생태시스템, 인간활동이 기후에 미치는 영향 등에 관한 연구프로그램

30187    ◆         USI       ◆         사용자만족도 ; 폐기물수거상태를 서비스를 받는 사람들의 만족도를 설문조사하여 평가하는 방법. User satisfaction index

30188    ◆         UST       ◆         Underground Storge Tank

30189    ◆         UTILITY EMISSION SOURCE          ◆            공익산업배출원

30190    ◆         Utility Load        ◆         The total electricity demand for a utility district.

30191    ◆         utilization factor ◆         in power distribution, the proportion of the maximum permitted currents to the rated capacity of the system.

30192    ◆         UTM     ◆         Universal Transverse Mercator

30193    ◆         UTP       ◆         Urban Transportation Planning

30194    ◆         U-tube contactor ◆         U 관 접촉기; 순산소 용해장치

30195    ◆         U-tube diffuser   ◆         U자관형 산기장치; 산기식 포기장치

30196    ◆         U-tube heat exchanger    ◆         a heat exchange unit that consists of a group of U-shaped tubes encased by a shell, in which one fluid flows through the tubes and the other flows through the shell.

30197    ◆         UV        ◆         Ultraviolet

30198    ◆         UV stabilizer       ◆         a compound that is admixed with thermoplastic resin to absorb ultraviolet rays, thereby retarding the degradation of the polymers.

30199    ◆         UVA, UVB, UVC   ◆         Ultraviolet Radiation Bands

30200    ◆         UZM     ◆         Unsaturated Zone Monitoring