환경 및 무역 관련용어 모음집 environmental and trade terms : 18201-18300

환경 및 무역 관련용어 모음집 environmental and trade terms : 18201-18300

번호                  용어                  해설

18201    ◆         EPACASR           ◆         EPA Chemical Activities Status Report

18202    ◆         EPACT   ◆         Environmental Policy Act

18203    ◆         EPCA     ◆         Energy Policy and Conservation Act

18204    ◆         EPCRA   ◆         Emergency Planning and Community Right to Know Act

18205    ◆         EPD       ◆         Emergency Planning District

18206    ◆         EPE       ◆         환경성과 평가  environmental performance evaluation

18207    ◆        EPE(Environmental Performance Evaluation)            ◆         환경성과평가

18208    ◆         EPI        ◆         Environmental Policy Institute

18209    ◆         EPI (Envirnmental Perfprmance Evaluation Indicators)          ◆         환경성과지표

18210    ◆         EPIC      ◆         Environmental Photographic Interpretation Center

18211    ◆         epicyclic ◆         containing two or more circular parts or elements, the smaller of which moves about inside the larger. Thus, epicyclic gear system, epicylic gear train.

18212    ◆         Epidemiology     ◆         Study of the distribution of disease, or other health-related states and events in human opulations, as related to age, sex, occupation, ethnicity, and economic status in order to identify and alleviate health problems and promote better health.

18213    ◆         EPILIMNION       ◆         표수층; 물의 혼합이 잘이루어지는 호수의 상층부

18214    ◆         Epilimnion         ◆         Upper waters of a thermally stratified lake subject to wind action.

18215    ◆         EPINASTY           ◆         상편생장; 식물의 정단부분만 무성하게 자라는 것

18216    ◆         Episode (Pollution)          ◆         An air pollution incident in a given area caused by a concentration of atmospheric pollutants under meteorological conditions that may result in a significant increase in illnesses or deaths. May also describe water pollution events or hazardous material spills.

18217    ◆         epitaxial transistor           ◆         a transistor produced by growing one or more layers of single-crystal material on top of a wafer substrate of the same material.

18218    ◆         epitaxy  ◆         the oriented overgrowth of one crystalline material upon the surface of another. There is often an approximate agreement in lattice spacings in the two components. Thus, epitaxial. Also, epitaxis.

18219    ◆         epm      ◆         규정농도; equivalent per million

18220    ◆         EPNL     ◆         실효감각 : Effective perceived noise level

18221    ◆         EPNL     ◆         Effective Perceived Noise Level

18222    ◆         Eppendorf tube  ◆         a small and usually disposable plastic tube that is commonly used in microcentrifuges.

18223    ◆         EPRI      ◆         Electric Power Research Institute

18224    ◆         epsilon factor     ◆         in computing normalized structure factors, a factor that takes into account the fact that, depending on which of the 32 crystal classes the crystal belongs to, there will be certain groups of reflections in areas of the reciprocal lattice that will have an average intensity greater than that for the general reflections.

18225    ◆         EPTC     ◆         Extraction Procedure Toxicity Characteristic

18226    ◆         EQIP      ◆         Environmental Quality Incentives Program

18227    ◆         EQO      ◆         Environmental Quality Objective

18228    ◆         EQUAL ARM BALANCE    ◆         양팔저울 (청평)

18229    ◆         EQUAL LOUDNESS CONTOURS     ◆            등청감곡선

18230    ◆         EQUAL PERCEIVED ACCELERATION CONTOUR         ◆         등감각곡선 : 소음에 대한 우리 귀의 청감이 주파수에 따라 다르듯이 인체의 진동에 대한 감각도 진동수에 따라 다르다. 이 관계를 곡선화한 것

18231    ◆         equal-arm balance          ◆         a simple balance with its beam supported in the center so that the pans contain exactly equal weights when balanced.

18232    ◆         equalization       ◆         ㆍ any of various processes by which all the frequency responses of elements in a circuit, such as those in the line or amplifier, are brought within a desired range of frequency response. Also, FREQUENCY-RESPONSE EQUALIZATION.any of various processes by which all the frequency responses of elements in a circuit, such as those in the line or amplifier, are brought within a desired range of frequency response. Also, FREQUENCY-RESPONSE EQUALIZATION. ㆍ in data transmission, a process by which frequency or phase distortion is reduced by introducing networks to compensate for the difference in attenuation and time delay at various frequencies in the transmission band.in data transmission, a process by which frequency or phase distortion is reduced by introducing networks to compensate for the difference in attenuation and time delay at various frequencies in the transmission band.

18233    ◆         EQUALIZATION BASIN     ◆         조정조; 유량조절을 위해 설치된 물 저장고

18234    ◆         equalizer           ◆         any of various devices designed to distribute weight, pressures, strains, or other forces equally among the various parts of a machine, vehicle, or system; specific examples include the equalizer brake linking independent brakes on a motor vehicle or the equalizer bar joining axle springs on a railcar.

18235    ◆         equalizing pulses            ◆         a series of electrical pulses that precede and follow vertical synchronizing pulses in a television system, so that various elements of the picture will be aligned correctly.

18236    ◆         equal-listener response scale        ◆            a sound scale of measurement based on units such as sones, for which the loudness of a sound is estimated by averaging the threshold of response of various listeners.

18237    ◆         equally tempered scale    ◆         a musical scale in which the intervals between notes are specific intervals, with a 9/8 ratio between the higher and lower tone for a whole step and a 256/243 ratio for half steps.

18238    ◆         equation of motion         ◆         any equation that describes the motion of a body or system.

18239    ◆         equation of state ◆         an expression that describes the state of a substance in terms of the relationship of the basic physical quantities of volume, pressure, and temperature for a given mass; used for pure substances. Also applied to the relationships among other thermodynamic variables.

18240    ◆         equatorial electrojet        ◆         a narrow belt of intense electric current found over the magnetic equator.

18241    ◆         equatorial plane  ◆         the horizontal symmetry plane, if one exists, through a body revolving about a vertical axis of symmetry.

18242    ◆         equidensity technique      ◆         the measurement of photographic film emulsion density used in interference microscopy.

18243    ◆         equi-inclinational technique         ◆            any of various X-ray diffraction camera techniques, as in the equi-inclination Weisenberg camera, in which the incident beam is inclined at a selected angle to the axis of rotation of the crystal instead of being normal to it (as is usually the case).

18244    ◆         equilibrant         ◆         a single force that is able to act in an equal and opposite way to a set of forces to bring a system into equilibrium.

18245    ◆         equilibrium        ◆         a reversible reaction in which the rates of forward and reverse reactions are equal and the concentrations of reactants and products are unaltered.       : the state of a system in which each constituent particle experiences a net force of zero. This requires two conditions: the system either is experiencing no linear motion at all or is moving in a straight line at a constant speed; the system either is experiencing no rotational motion at all or is rotating about a fixed axis at a constant rate.  Physiology. the state or condition in which the amount of material taken into the body equals the amount discharged.  Psychology. mental or emotional balance; equanimity.

18246    ◆         Equilibrium        ◆         In relation to radiation, the state at which the radioactivity of consecutive elements within a radioactive series is neither increasing nor decreasing.

18247    ◆         equilibrium brightness     ◆         the type of brightness that appears on a cathode-ray tube when the pattern on the tube corresponds to the level of energy entering the tube.

18248    ◆         equilibrium constant       ◆         symbol K0, a number expressing the relationship between the concentrations of substances in a reversible chemical reaction at a given temperature, equal to the product of the molar concentrations of the substances on the right side of the equation divided by the product of the molar concentrations of the substances on the left side; each concentration raised to the power of its coefficient in the equation for the reaction.

18249    ◆         equilibrium diagram        ◆         a graph that demonstrates the relationship among temperature, pressure, and vapor and liquid compositions for a substance.

18250    ◆         equilibrium dialysis         ◆         a measurement of the degree of ion bonding of a protein; performed by calculating the diffusion of ions across a barrier impermeable to the protein.

18251    ◆         equilibrium flash vaporization       ◆            a procedure in which a continuous stream of liquid feed is partially vaporized in a vessel or column, while vapor and liquid portions are continuously withdrawn, creating the vapor-liquid equilibrium. Also, SIMPLE CONTINUOUS DISTILLATION, CONTINUOUS EQUILIBRIUM VAPORIZATION.

18252    ◆         equilibrium gas saturation           ◆            in a reservoir, the state of zero relative permeability of a wetting/nonwetting phase system; the relation of the nonwetting phase, such as oil, to the wetting phase, such as water, when the saturation of the nonwetting phase is so minute that few pores contain it. Also, CRITICAL GAS SATURATION.

18253    ◆         equilibrium moisture content       ◆            the point at which there is no further moisture loss when solid material is dried by air currents whose temperature and moisture content remain constant.

18254    ◆         EQUILIBRIUM MOLAR CONCENTRATION            ◆         평형 몰농도

18255    ◆         equilibrium point            ◆         a point at which a particle will tend to remain, or to which it will tend to return, in order to achieve a condition of stable equilibrium; e.g., a ball placed inside a large rounded bowl will remain at the bottom if placed there and roll to the bottom if placed on the sides; the bottom of the bowl is the equilibrium point.

18256    ◆         equilibrium potential       ◆         the reversible potential at which no faradaic processes occur.

18257    ◆         equilibrium prism           ◆         a model that displays the effects of composition changes on some essential property of a multicomponent mixture, such as the temperature at which a solid begins to decompose.

18258    ◆         equilibrium ratio ◆         the relationship between each phase of a substance that undergoes change in a closed system, at the point where no further change occurs.

18259    ◆         equilibrium solar tide      ◆         the form the atmosphere would take if determined solely by gravitational forces and discounting the earth's rotation relative to the sun.

18260    ◆         equilibrium solubility       ◆         the maximum quantity of one substance that can be dissolved into a given mass of another substance at a specified temperature and pressure.

18261    ◆         equilibrium spheroid       ◆         the shape that the earth would take if it were entirely covered by an ocean of uniform depth, not subject to tidal forces.

18262    ◆         equilibrium still  ◆         a recirculating distillation apparatus used to determine vapor-liquid equilibrium.

18263    ◆         equilibrium vaporization ratio       ◆            the relationship between the vapor phase and the liquid phase of a solution undergoing change in a closed system, when the system reaches the point at which no further change occurs.

18264    ◆         equipartition      ◆         ㆍ an orderly distribution of atoms, as in a crystal structure.an orderly distribution of atoms, as in a crystal structure. ㆍ an equal distribution of a solute between two solvents.an equal distribution of a solute between two solvents.

18265    ◆         equiphase zone  ◆         a region of space in which it is impossible to distinguish differences in phases between two radio signals.

18266    ◆         equipoise           ◆         an equal distribution of weight.

18267    ◆         equipollent        ◆         describing two systems of forces that have equal linear and angular vector sums about each of their corresponding points.

18268    ◆         equipotential surface       ◆         a surface along which the gravity is constant at all points and for which the gravity vector is normal to all points. Also, LEVEL SURFACE.

18269    ◆         equipressure contour      ◆         a map or plot of the equal isopressure flow network within a reservoir that is used to find locations for water-injection wells for flood coverage of an areal pattern in a reservoir.

18270    ◆         equivalence point            ◆         the point in a titration process at which the amount of titrant is chemically equivalent to the amount of material titrated.

18271    ◆         EQUIVALENCE RATION     ◆         등가비; 실제연료량을 산화제량으로 나눈값을 완전연소를 위한 연소량을 산화제량으로 나눈값으로 다시 나눈값

18272    ◆         equivalent          ◆         having the same valence.  Medicine. describing a symptom replacing one that is usual in a given disease.  Geology. describing the strata or formations that correspond in geologic time or stratigraphic position, especially those contemporaneous in time of deposition or formation, or those containing the same fossil forms.

18273    ◆         equivalent absorption area           ◆            the amount of surface area of a perfectly absorbing medium required to absorb an equivalent amount of sound energy as some actual medium, given equal time and similar conditions.

18274    ◆         EQUIVALENT AREA DIAMETER      ◆            등면적경

18275    ◆         equivalent bending moment         ◆            a single bending moment whose resulting maximum stress would be equivalent to that of the actual bending and twisting moments together.

18276    ◆         equivalent conductance   ◆         a property that equals the exact conductance of an electrolyte divided by the concentration of solutes in the solvent.

18277    ◆         EQUIVALENT CONTINUOUS A-WEIGHTED SOUND PRESSURE LEVEL ◆         등가소음레벨 : 소음레벨이 시간과 더불어 변화하는 경우, 측정시간 내에서 발생한 변동소음의 총에너지를 같은 시간내 연속정상소음의 에너지로 등가하여 얻어진 소음레벨 LeqT

18278    ◆         EQUIVALENT CONTINUOUS SOUND LEVEL            ◆         등가 소음레벨 : 측정주기 동안의 소음레벨의 A특성 에너지 평균

18279    ◆         EQUIVALENT DIAMETER   ◆         등가직경

18280    ◆         EQUIVALENT LENGTH      ◆         등가길이

18281    ◆         Equivalent Method          ◆         Any method of sampling and analyzing air pollution which been demonstrated to the EPA Administrator's satisfaction to be, under specific conditions, an acceptable alternative to normally used reference methods.

18282    ◆         equivalent nitrogen pressure        ◆            a method of standardizing pressure calculations by assuming that the actual gases present have the same molecular density as nitrogen.

18283    ◆         equivalent noise conductance       ◆            the spectral density of a noise-current generator, measured at a specified frequency and expressed in conductance units.

18284    ◆         equivalent noise pressure ◆         the noise level that a transducer introduces onto a channel with no actual electroacoustical input; normally a very low value, such as -126 decibels. Also, equivalent input noise level.

18285    ◆         equivalent noise resistance           ◆            the spectral density of a noise-voltage generator, measured at a specified frequency and expressed in resistance units.

18286    ◆         equivalent noise temperature        ◆            the temperature at which an ideal resistor, whose resistance is the same as that of the given noise- generating component, would generate the same noise energy as the given component.

18287    ◆         equivalent nuclei ◆         the nuclei in a molecule that can be transformed into each other by various processes, such as rotation or reflection, so that the molecule remains stable.

18288    ◆         equivalent orifice ◆         a theoretical sharp-edged orifice used as a reference in measuring the resistance offered by a fan or other rotating device.

18289    ◆         EQUIVALENT POINT         ◆         상당점 ; 적정에 있어 분석물의 양과 첨가한 적정액의 양이 정확히 같은 점

18290    ◆         equivalent positions        ◆         the complete set of atomic positions produced by the operation of the symmetry elements of the space group upon any general atomic position in a crystal.

18291    ◆         equivalent reflections       ◆         the principle that when a complete set of X-ray diffraction data has been collected, there are eight measurements for the intensities of each h, k, l, corresponding to combinations of positive and negative values of each. Some of these reflections that are equivalent by the symmetry of the crystal have (within experimental error) identical intensities. For high-symmetry crystals, other reflections may also be equivalent, e.g., hkl, klh, and lhk for cubic crystals.

18292    ◆         equivalent vapor volume  ◆         the volume that would be taken up by a barrel of oil if the oil were converted to a vapor.

18293    ◆         equivalent viscous damping         ◆            a concept that simplifies calculations of vibratory systems by equating all of the actual types of damping to an assumed viscous equivalent.

18294    ◆         equivalent weight            ◆         the gram weight of a given element that will combine with or replace one mole (ㆍ008 grams) of hydrogen atoms or one-half mole (8 grams) of oxygen atoms; a mass equal to the element's atomic weight divided by its valence. Also, COMBINING WEIGHT.

18295    ◆         equiviscous temperature  ◆         a method of expressing viscosity as measured in a tar efflux viscometer.

18296    ◆         ER        ◆         Ecosystem Restoration; Electrical Resistivity

18297    ◆         ERA      ◆         Economic Regulatory Agency

18298    ◆         ERAMS  ◆         Environmental Radiation Ambient Monitoring System

18299    ◆         erase oscillator   ◆         a circuit in a tape recorder that generates the high-frequency signals needed to erase the tape.

18300    ◆         erbium  ◆         a solid rare-earth (lanthanide) element of the yttrium group having the symbol Er, the atomic number 68, an atomic weight of 167.26, a melting point of 1522°C, and a boiling point of about 2500°C; a soft, malleable solid with a metallic luster and high electrical resistivity, used in lasers, alloys, and nuclear reactors. (From Ytterby, Sweden, where it was first found and identified.)