환경 및 무역 관련용어 모음집 environmental and trade terms : 22701-22800

환경 및 무역 관련용어 모음집 environmental and trade terms : 22701-22800

번호                  용어                  해설

22701    ◆         MATC    ◆         Maximum Acceptable Toxic Concentration

22702    ◆         matched filter     ◆         a filter designed to present a matched load to the source connected at its input and to provide an output impedance so that the load connected to its output will be matched as well.

22703    ◆         matched load     ◆         a load whose impedance value results in the maximum absorption of energy from the signal source.

22704    ◆         MATERIAL AND ENERGY BALANCE            ◆         물질과 에너지 수지

22705    ◆         material balance ◆         an equation denoting the sum of all substances entering a process and all those leaving it within a given time period.

22706    ◆         MATERIAL BALANCE ANALYSIS     ◆            물질수지분석; 폐기물량을 추정하는 방법으로서, 신뢰성있는 폐기물 발생량과 이동량을 결정할 수 있는 유일한 방법이다.

22707    ◆         Material Category           ◆         In the asbestos program, broad classification of materials into thermal surfaing insulation, surfacing material, and miscellaneous material.

22708    ◆         MATERIAL RECOVERY FACILITY      ◆            재활용품회수시설

22709    ◆         Material Safety Data Sheet (MSDS)            ◆         A compilation of information required under the OSHA Communication Standard on the identity of hazardous chemicals, health, and physical hazards, exposure limits, and precautions. Section 311 of SARA requires facilities to submit MSDSs under certain circumstances.

22710    ◆         Material Type     ◆         Classification of suspect material by its specific use or application; e.g., pipe insulation, fire-proofing, and floor tile.

22711    ◆         material well      ◆         in the process of the transfer molding of plastics, a heated chamber that contains the plastic to be forced into the mold plus additional material to maintain pressure during the cure time.

22712    ◆         Materials Recovery Facility (MRF)   ◆            A facility that processes residentially collected mixed recyclables into new products available for market.

22713    ◆         MATRIX ◆         매트릭스, 자모, 모형

22714    ◆         matrix effect       ◆         the effect the matrix (the material used to hold the compound) has on an analysis, e.g., on the spectral lines of a metallic oxide during emission spectroscopy.

22715    ◆         matrix sound system       ◆         a quadraphonic sound system capable of mixing four input channels into two stereo channels for recording or broadcasting, and then restoring the stereo signal to its original quadraphonic format for playback.

22716    ◆         matrix velocity    ◆         the speed of sound in a given rock formation.

22717    ◆         matrix-array camera        ◆         a solid-state television camera with a rectangular array of pixels or light-sensitive elements.

22718    ◆         MATURATION     ◆         숙성; 퇴비화 공정중 한단계

22719    ◆         MATURITY          ◆         숙성도, 성숙도

22720    ◆         Maupertuis's principle     ◆         a principle stating that for a system whose total mechanical energy is conserved, the path to be taken for the system from one configuration to another is the one whose action has the least value relative to all other possible paths to and from the same configurations. Also, PRINCIPLE OF LEAST ACTION, LEAST-ACTION PRINCIPLE.

22721    ◆         maxi cell or maxicell       ◆         a cell of Escherichia coli or other bacteria that has been irradiated with ultraviolet light; used for studies of plasmid transcription.

22722    ◆         Maximally (or Most) Exposed Individual            ◆         The person with the highest exposure in a given population.

22723    ◆         Maximum Acceptable Toxic Concentration            ◆         For a given ecological effects test, the range (or geometric mean) between the No Observable Adverse Effect Level and the Lowest Observable Adverse Effects Level.

22724    ◆         maximum allowable working pressure            ◆         the maximum gage pressure, at a specified temperature, in a pressure vessel, by which the set pressure for a relief valve is determined.

22725    ◆         maximum angle of inclination      ◆            the maximum angle at which a conveyor may be inclined and still be able to deliver a certain quantity of bulk material within a given amount of time.

22726    ◆         Maximum Available Control Technology (MACT)  ◆         The emission standard for sources of air pollution requiring the maximum reduction of hazardous emissions, taking cost and feasibility into account. Under the Clean Air Act Amendments of 1990, the MACT must not be less than the average emission level achieved by controls on the best performing 12 percent of existion sources, by category of industrial and utility sources.

22727    ◆         maximum available gain  ◆         the amplification from a circuit whose input and output impedances are appropriately matched to source and load.

22728    ◆         maximum average power output   ◆            in television, the highest radio-frequency output power that can occur, averaged over the longest repetitive modulation cycle.

22729    ◆         maximum belt slope        ◆         a slope value beyond which the material on the belt will tend to roll downhill; in the mining of coal and ore, belt conveyers can function up to about 18°.

22730    ◆         maximum belt tension     ◆         the value that expresses a combination of the starting and operating tensions of a conveyor.

22731    ◆         Maximum Contaminant Level       ◆            The maximum permissible level of a contaminant in water delivered to any user of a public system. MCLs are enforceable standards.

22732    ◆         Maximum Contaminant Level Goal (MCLG)            ◆         Under the Safe Drinking Water Act, a non-enforceable concentration of a drinking water contaminant, set at the level at which no dnown or anticipated adverse effects on human health occur and which allows an sdequate safety margin. The MCLG is usually the starting point for determining the regulated Maximum Contaminant Level. (See; maximum contaminant level.)

22733    ◆         maximum continuous load           ◆            the total load that a boiler can maintain for a designated length of time.

22734    ◆         MAXIMUM DAILY FLOW   ◆         일최대유량;

22735    ◆         MAXIMUM DAILY ORGANIC LOAD ◆            일최대 유기오염물 부하

22736    ◆         Maximum Elongation (최대 신장)  ◆            중간의 특성(비뚤어지기 에 대한 저항의 변화의 그래프)에 관계되어 생긴다, 플러스또는 마이너스5%이상의 편차가 있는왜치.

22737    ◆         Maximum Excitation (최대려기)     ◆            특정의 공차를 넘는 성능의 저하또는 손상을 일으키지 않고 에, 실온으로(에서) 트랜스듀서에 표가할 수 있는 려발전압또는 전류의 최대치.

22738    ◆         Maximum Exposure Range           ◆            Estimate of exposure or dose level received by an individual in a defined population that is greater than the 98th percentile dose for all individuals in that population, but less than the exposure level received by the person receiving the highest exposure level.

22739    ◆         maximum gradability       ◆         the steepest slope a vehicle can negotiate in a low gear.

22740    ◆         MAXIMUM HOUR FLOW RATE      ◆            시간최대유량

22741    ◆         maximum keying frequency          ◆            in a facsimile system, the frequency in hertz that is equal to the spot speed divided by twice the horizontal scanning spot dimension.

22742    ◆         MAXIMUM MIXING HEIGHT         ◆            최대혼합고도 : 대류가 이루어지는 최대고도

22743    ◆         maximum modulating frequency   ◆            in a facsimile system, the highest picture frequency required for transmission without lowering the quality of the reproduction.

22744    ◆         Maximum Operating Pressure (최대 사용 압력)     ◆         Full Scale Pressure (훌스케일 압력) 을 참조.

22745    ◆         maximum ordinate          ◆         the peak altitude attained by a projectile, measured from its firing altitude.

22746    ◆         maximum producible oil index     ◆            a figure representing the maximum amount of oil that can be produced by water drive per bulk formation volume.

22747    ◆         maximum production life ◆         the span of time during which a cutting tool operates at maximum efficiency.

22748    ◆         Maximum Residue Level  ◆            Comparable to a U.S. tolerance level, the Maximum Residue Level the enforceable limit on food pesticide levels in some countries. Levels are set by the Codex Alimentarius Commission, a United Nations agency managed and funded jointly by the World Health Organization and the Food and Agriculture

22749    ◆         maximum retention time  ◆         the maximum amount of time a charge-storage tube can hold information.

22750    ◆         maximum signal level      ◆         in an amplitude-modulated facsimile system, the level corresponding to the higher signal amplitude, that of either copy black or copy white.

22751    ◆         Maximum specific growth rate      ◆            최대 비성장율; μm,

22752    ◆         Maximum Tolerated Dose ◆         The maximum dose that an animal species can tolerate for a major portion of its lifetime without significant impairment or toxic effect other than carcinogenicity.

22753    ◆         maximum undistorted power output            ◆         the maximum power that is delivered by a tube or transistor with distortion not exceeding a certain percentage. Also, maximum useful output.

22754    ◆         Maximum yield coefficient           ◆            최대미생물 생산계수; Y, 단위 제거 유기물당 미생물 생성량

22755    ◆         Maxwell body     ◆         an ideal body of viscoelastic material modeled by a spring and dashpot in series whose deformation is proportional to both the stress and the time it is applied.

22756    ◆         Maxwell's (reciprocal) theorem      ◆            a theorem stating that if a load on a linear elastic structure is moved to a new point, the deflection at the old point will then equal the deflection that the new point had before the load was moved.

22757    ◆         Maxwell's law     ◆         a law stating that a circuit with movable portions will tend to move into an arrangement such that there is maximum magnetic flux linkage throughout the circuit.

22758    ◆         Maxwell's stress functions            ◆            three functions of position that fully determine the stress in a body.

22759    ◆         MBAS    ◆         Methylene -Blue-Active Substances

22760    ◆         MBB [Master Black Belt]   ◆         6시그마 프로그램에서 블랙벨트(BB)와 그린벨트(GB)의 양성을 위해 교육 및 과제지도 컨설팅을 하는 문제해결 전문가.

22761    ◆         MBT(Mechanical Biological Treatment)            ◆         폐기물을 최종 처분하기 전에 기계적 분리,선별 및 생물학적처리를 거쳐 재활용가치가 있는 물질을 최대한 회수하고, 환경부하를 감소시키는 시설

22762    ◆         McCartney bottle            ◆         a small, narrow-necked, cylindrical, screw-cap glass vial or bottle.

22763    ◆         MCC-IP 시험법   ◆         MCC-IP법(material characterization center static leach test method)은 고준위 방사성 폐기물 모노리스(high-level radioactive monolith)에 대한 용출실험으로서 발전되어 왔다. 실험에서 모노리스를 이용하는 이유는 시료를 분쇄해서 사용할 경우 함유된 방사성 물질이 노출위험 수준보다 더 높게 나타날 수 있기 때문이다. 용출액량은 모노리스 표면적에 대한 용출액량비를 기준으로 10~200cm 범위의 양을 사용한다.

22764    ◆         McIntosh and Fildes' anaerobic jar ◆            a cylindrical, gas-tight jar with a sidearm containing an indicator such as methylene blue solution; used to detect anaerobiosis.

22765    ◆         MCL      ◆         최대오염농도; Safe Drinking Water Act에 의한 수도물 수질기준에 부합되는 지하수내 최대오염허용농도. Maximum Contaminant Level

22766    ◆         MCL      ◆         Maximum Contaminant  Level

22767    ◆         MCLG    ◆         Maximum Contaminant Level Goal

22768    ◆         McNally tube     ◆         a single-cavity velocity-modulated microwave tube designed to produce low-power UHF oscillation.

22769    ◆         MCRT    ◆         미생물 체류시간; mean cell residence time

22770    ◆         MCS      ◆         Mutiple Chemical Sensitivity

22771    ◆         M-derived filter  ◆         a filter derived from a constant-k filter, in which some elements are multiplied by a factor M, which lies between 0 and 1; having more elements, this filter provides sharper cutoff and more uniform attenuation in the pass region.

22772    ◆         MDL      ◆         Methanol Detection Limit

22773    ◆         MDTOC, MINIMUM DETECTABLE THRESHOLD ODOR CONCENTRATION       ◆         최소검출한계농도

22774    ◆         Me        ◆         an electroacoustic modifier which, for a speaker amplification system, describes the directivity of sound by the equation Me = 10 exp(MS + ML), with MS representing the difference in decibels between a microphone's sensitivity toward the sound source and toward the loudspeaker, and ML representing the difference in decibels between the sound intensity of the loudspeaker toward the listener and the microphone.

22775    ◆         meadow ◆         an expanse of grassland used for pasture or as a hayfield.  : an expanse of open land that is mainly covered with grasses, especially such an area at a high elevation.

22776    ◆         mean carrier frequency    ◆         the average carrier frequency of a transmitter; corresponds to the resting frequency in a frequency-modulated system.

22777    ◆         MEAN CELL-RESIDENCE TIME       ◆            평균 미생물 체류시간

22778    ◆         mean effective pressure   ◆         the equivalent average pressure exerted by the piston throughout the stroke in an air compressor; used in the evaluation of positive-displacement machinery. Also, MEAN PRESSURE.

22779    ◆         mean free path   ◆         the average distance between reflections of sound waves in an enclosure, given by the equation d = 4V/S, with V equal to the volume and S equal to the area.  Materials Science. the average distance between collisions of electrons in the lattice of a material, an indicator of conductivity in metals. A long mean free path permits high mobilities and high conductivities.

22780    ◆         mean normal stress         ◆         the algebraic mean of the three principal stresses in a solid.

22781    ◆         mean power (of a radio transmitter)            ◆         in normal operation, the power supplied to the antenna transmission line by a transmitter, averaged over a time sufficiently longer than the period of the lowest frequency encountered in the modulation.

22782    ◆         MEAN SEA LEVEL PRESSURE        ◆            평균해면기압(대)

22783    ◆         mean stress       ◆         the algebraic mean of the local greatest and smallest values assumed by a variable stress

22784    ◆         mean temperature difference        ◆            the overall temperature difference between the hot and cold fluids in a heat exchanger.

22785    ◆         mean trajectory  ◆         the ballistic path of a projectile to the point of impact, neglecting wobbles.

22786    ◆         mean-average boiling point         ◆            the mean of the molal average boiling point and the cubic volumetric average boiling point; used to predict physical properties of petroleum mixtures.

22787    ◆         Measurand (측정체)         ◆         측정되는 물리적인 량의 특성 또는 상태.

22788    ◆         Measure of Effect/Measurement Endpoint            ◆         A measurable characteristic of ecological entiy that can be related to an assessment endpoint; e.g., a laboratory test for eight species meeting certain requirements may serve as a measure of effect for an assessment endpoint, such as survival of fish, aquatic, invertebrate or algal species under acute exposure.

22789    ◆         Measure of Exposure       ◆         A measurable characteristic of a stressor (such as the specific amount of mercury in a body of water) used to help quantify the exposure of an ecological entity or indivedual organism.

22790    ◆         measurement method of light scattering  (산란빛측정법)    ◆         광전식탁도계를 이용한 탁도측정법. 입자의 크기가 광파장의1/10로부터1/20이하이면  그 입자에 맞은 빛은 사 방으로 산란하고, 그 산란빛의 강함은 입자경의6승및 입자의 농도에 비례하는 (레일리의 이론) . 또,  입자경이  광파장과 동등인지 큰 경우는 입자 표면적과 입자 농도에비예하는 (미의 이론) . 본법은 산란빛의 강도로부터  탁도를 측정하는 방법으로, 전기양이론에 의해 탁함의 입자의 크기, 이용하는 빛의 파장, 입자와 물의 색이 측 정값에 영향을 준다. 본법은0∼ 50도의 저탁도수에  대해서 정밀도좋게 측정할 수 있다. 표준국물은  얼굴링과  호르마진을 이용하지만, 호르마진을 이용한 경우의 탁도를NTU(Nephelometric　 turbidity　 unit)라고 말하기 1NTU는 얼굴링 표준국물탁도약0.6에 상당한다.

22791    ◆         MEC      ◆         Model Energy Code

22792    ◆         mechanic           ◆         a person who repairs and maintains machines, motors, or the like, particularly vehicle engines.

22793    ◆         mechanical advantage     ◆         for a machine that transmits mechanical energy, the ratio of the output force to the input force; i.e., the work produced by the machine, divided by the force applied to it. Actual machines often provide a mechanical advantage that is greater than unity; however, the greater the mechanical advantage, the greater the distance that the input force must move in relation to the output force.

22794    ◆         Mechanical Aeration        ◆         Use of mechanical energy to inject air into water to cause a waste stream to absorb oxygen.

22795    ◆         mechanical balance         ◆         a balance in which the sample weight is determined by comparison with a calibrated weight.

22796    ◆         mechanical classification  ◆         a sorting method in which mixtures of particles of different sizes are separated into fractions by water.

22797    ◆         mechanical classifier        ◆         a machine used to identify or classify mixtures of particles of different sizes.

22798    ◆         MECHANICAL COLLECTION          ◆            기계식수거; 폐기물 수거시 기계적으로 수거하는 방법

22799    ◆         mechanical comparator   ◆         a comparator that utilizes a rack, pinion, and pointer or a parallelogram arrangement to amplify movement.

22800    ◆         mechanical dewaxing      ◆         a method of separating solid wax particles from oil by forcing cooled oil through wax presses.