환경 및 무역 관련용어 모음집 environmental and trade terms : 20701-20800

환경 및 무역 관련용어 모음집 environmental and trade terms : 20701-20800

번호                  용어                  해설

20701    ◆         hydrated electron            ◆         an electron that is released in an aqueous solution by the ionization of a water molecule, so that it is surrounded by water molecules that are oriented to it. Also, AQUEOUS ELECTRON.

20702    ◆         hydrated ion      ◆         an ion in an aqueous solution surrounded by water molecules that are oriented to it.

20703    ◆         HYDRATED LIME ◆         소석회(=SLAKED LIME)

20704    ◆         hydraulic           ◆         ㆍ of or relating to a device, machine, or system that operates by hydraulic pressure. Thus, hydraulic air compressor, hydraulic drill, hydraulic elevator, hydraulic motor.of or relating to a device, machine, or system that operates by hydraulic pressure. Thus, hydraulic air compressor, hydraulic drill, hydraulic elevator, hydraulic motor. ㆍ of or relating to a device, machine, or system that converts hydraulic power into mechanical power. Thus, hydraulic actuator, hydraulic turbine.of or relating to a device, machine, or system that converts hydraulic power into mechanical power. Thus, hydraulic actuator, hydraulic turbine.

20705    ◆         hydraulic accumulator     ◆         ㆍ an apparatus in which air or other gases function as a cushion or shock absorber in a hydraulic system.an apparatus in which air or other gases function as a cushion or shock absorber in a hydraulic system. ㆍ an apparatus in a hydraulic system that is used to store liquid at a constant pressure.an apparatus in a hydraulic system that is used to store liquid at a constant pressure.

20706    ◆         hydraulic brake   ◆         a motor vehicle brake that is applied by small pistons actuated by pressurized oil flowing through the brake line from a pedal-operated master cylinder.

20707    ◆         hydraulic circuit  ◆         a circuit or controller that operates by hydraulic control of water or fluid currents rather than by electric currents.

20708    ◆         hydraulic classification     ◆         the use of a hydraulic classifier to separate particles of different size from each other. Also, HYDRAULIC SEPARATION, HYDRAULIC SEGREGATION.

20709    ◆         hydraulic classifier          ◆         a classifying device employing gravitational force in which water rising vertically in a tube or column at a controlled rate separates lighter particles from heavier particles or smaller particles from larger ones. Also, HYDRAULIC SEPARATOR, HYDRAULIC SEGREGATOR.

20710    ◆         HYDRAULIC CONDUCTIVITY         ◆            투수성; 압축된 폐기물의 투수성은 중요한 물리학적 특성으로서, 매립지내의 액체와 가스의 이동에 큰 영향을 미친다.

20711    ◆         Hydraulic Conductivity     ◆         The rate at which water can move through a permeable medium. (i.e., the coefficient of permeability.)

20712    ◆         hydraulic conveyor          ◆         a material handling system in which material discharged from a grinder is conveyed by a hydraulic pumping device to a disposal site.

20713    ◆         HYDRAULIC DETENTION TIME      ◆            수리학적 체류시간

20714    ◆         hydraulic dredge ◆         a dredge that operates by suction, often with a mechanical device for breaking up earth in front of the suction pipe, and with side-mounted pumps for extracting water and loose materials from within the main suction pipe.

20715    ◆         hydraulic drive    ◆         a device that uses hydrostatic or hydrodynamic means to control the ratio of motion transmittal from the drive shaft to the driven shaft.

20716    ◆         hydraulic fracturing         ◆         a production-forcing process in which high fluid pressure is applied to the face of an underground well with low permeability to force the strata apart, allowing oil to move toward the wells.

20717    ◆         HYDRAULIC GRADIENT    ◆         수두구배 : 물의 흐름에 있어서 길이에 대한 높이 차를 의미

20718    ◆         Hydraulic Gradient          ◆         In general, the direction of groundwater flow due to changes in the depth of the water table.

20719    ◆         HYDRAULIC GRAPPLE AND LIFT    ◆            수리학적 고정리프트; 폐기물수거장비

20720    ◆         hydraulic lift       ◆         a lifting jack in which a small hydraulic press within its frame actuates the lifting motion; often used in automobile repair work. Also, hydraulic jack.

20721    ◆         HYDRAULIC LIFTS            ◆         수리학적 리프트; 폐기물수거장비

20722    ◆         Hydraulic loading rate based on nitrogen limits     ◆         질소제한에 기초한 수리학적 부하율;

20723    ◆         Hydraulic loading rate based on soil permeability       ◆         토양투수능에 기초한 수리학적 부하율;

20724    ◆         HYDRAULIC LOADING TIME          ◆            수리학적 부하율

20725    ◆         hydraulic nozzle ◆         a device for converting fluid pressure into fluid velocity.

20726    ◆         hydraulic press   ◆         a machine in which a small force applied to a small piston is transmitted and increased through hydraulic pressure to a larger piston, which in turn applies pressure to the work piece.

20727    ◆         HYDRAULIC PROFILE       ◆         수리학적 종단면도

20728    ◆         hydraulic pumping          ◆         the process of using the kinetic energy of flow to drive running water up to a higher level; water flow is intermittently suspended in the supply pipeline so that a small amount of water is lifted by the velocity head of a larger amount.

20729    ◆         HYDRAULIC RADIUS        ◆         동수반경, 유체역학 반지름

20730    ◆         hydraulic ram     ◆         the plunger of a hydraulic press.

20731    ◆         hydraulic scale    ◆         a scale in which the weight of the load applied is converted into hydraulic pressure.

20732    ◆         HYDRAULIC SHEAR DEVICE          ◆            수리학적 전단장치; 기포를 부수어서 작은 기포를 만들기 위한 장치

20733    ◆         Hydraulic shock loads     ◆         수리학적 과부하;

20734    ◆         hydraulic shovel  ◆         a rotating shovel in which hydraulic rams and motors are utilized instead of drums and cables.

20735    ◆         Hydraulic symmetry        ◆         수리학적 대칭형; 유량분산 방법

20736    ◆         Hydraulic weir split         ◆         수리학적 웨어 분산방식; 유량분산 방법

20737    ◆         HYDRIDE           ◆         수소화물

20738    ◆         HYDROCARBON DROP    ◆         탄화수소 구

20739    ◆         HYDROCARBON UPTAKE MODE    ◆            탄화수 섭취기작; 유류분해 미생물의 작용

20740    ◆         HYDROCARBONS            ◆         탄화수소

20741    ◆         Hydrocarbons (HC)          ◆            Chemical compounds that consist entirely of carbon and hydrogen.

20742    ◆         hydroclone         ◆         an apparatus for separating a solid-liquid mixture from some process source by using centrifugal force and a conical vortex.

20743    ◆         hydrocracker      ◆         a processing unit that uses high pressure to crack long hydrocarbon molecules in an atmosphere of high hydrogen content.

20744    ◆         hydrocracking    ◆         a catalytic, high-pressure refinery process that involves the cracking of heavy petroleum fractions in the presence of an excess of hydrogen in which special catalysts, such as platinum on a solid base of mixed silica and alumina, are used; the process may be viewed as a combination of hydrogenation and catalytic cracking.

20745    ◆         hydrodealkylation           ◆         a type of hydrogenation in petroleum refining in which heat and pressure in the presence of hydrogen are used to remove methyl or larger alkyl groups from hydrocarbon molecules; for example, used to convert low-value toluene to high-value benzene.

20746    ◆         hydrodesulfurization        ◆         a catalytic procedure in which the petroleum feedstock reacts with hydrogen to reduce the content of mercaptans.

20747    ◆         hydrodynamic oscillator   ◆         a transducer that is used for producing acoustic waves by means of modulating the flow of a fluid through an orifice with a reciprocating valve that is controlled by acoustic feedback.

20748    ◆         hydro-electricity  ◆         수력전기

20749    ◆         hydroexplosion   ◆         any volcanic explosion caused by a sudden generation of steam as, for example, when water comes in contact with hot lava or rock.

20750    ◆         hydrofining        ◆         a catalytic-refining process to hydrogenate and desulfurize a wide range of feed stocks in fixed-bed reactors.

20751    ◆         hydroforming     ◆         a high-temperature refining method in which naphthas contact a catalyst in the presence of hydrogen to yield high-octane aromatics

20752    ◆         hydroformylation ◆         the reaction created by adding hydrogen and a -CHO group to the carbon atoms across a double bond to produce oxygenated derivatives.

20753    ◆         hydrogasification ◆         the production of methane from pulverized coal by the reaction with hydrogen and steam at high pressures (about 1000 psig).

20754    ◆         hydrogen bond   ◆         the attraction of a hydrogen atom, already covalently bonded to one electronegative atom, to a second electronegative atom of the same molecule or an adjacent molecule; these bonds are found in compounds containing such strongly electronegative atoms as fluorine, oxygen, or nitrogen.

20755    ◆         hydrogen bonding          ◆         the effect of hydrogen bonds, which are the strongest intermolecular force; this is largely responsible for the unique properties of water and for the ability of molecules in living systems to maintain the appropriate structure to carry out their biochemical functions; e.g., the double helix structure of DNA.

20756    ◆         HYDROGEN CHLORIDE    ◆         염화수소; 상온에서 기체이며 무색, 자극성 냄새를 가지며 화산가스중에 함유되기도 하고 전지, 약품, 염료, 비료, 금속의 섹척, 식품처리시등에 사용된다

20757    ◆         hydrogen electrode         ◆         a standard reference electrode, usually consisting of a platinum surface coated with platinum black that is bathed with a stream of hydrogen-gas bubbles and immersed in a solution of hydrogen ions; it has a potential of zero when the activity of all species is unity and is used to measure hydrogen-ion concentration

20758    ◆         hydrogen equivalent        ◆         ㆍ the number of replaceable hydrogen atoms in one molecule of an acid.the number of replaceable hydrogen atoms in one molecule of an acid. ㆍ the number of replaceable OH groups in one molecule of a base.the number of replaceable OH groups in one molecule of a base. 3. the number of hydrogen atoms with which a given molecule can react.the number of hydrogen atoms with which a given molecule can react

20759    ◆         HYDROGEN SULFIDE       ◆         황화수소

20760    ◆         Hydrogen sulfide (H2S)    ◆         Gas emitted during organic decomposition. Also a by-product of oil refining and burning. Smells like rotten eggs and, in heavy concentration, can kill or cause illness.

20761    ◆         hydrogen thyratron         ◆         a thyratron containing low-pressure hydrogen.

20762    ◆         hydrogenation    ◆         a general reaction in which hydrogen is added to the unsaturated molecules of hydrocarbons or fatty acids, normally by use of a catalyst.Organic Chemistry. any process in which hydrogen is combined with another substance.

20763    ◆         hydrogen-discharge lamp ◆         a gas-discharge lamp containing hydrogen; used as an ultraviolet radiation source.

20764    ◆         hydrogeochemical           ◆         relating to the chemical properties of ground and surface waters.

20765    ◆         hydrogeochemistry         ◆         the study of the chemical properties of ground and surface waters and their relationship to the regional geology.

20766    ◆         Hydrogeological Cycle     ◆         The natural process recycling water from the atmosphere down to (and through) the earth and back to the atmosphere again.

20767    ◆         HYDROGEOLOGY            ◆         수문 지질학

20768    ◆         Hydrogeology     ◆         The geology of ground water, with particular emphasis on the chemistry and movement of water.

20769    ◆         Hydrologic Cycle ◆         Movement or exchange of water between the atmosphere and earth.

20770    ◆         HYDROLOGIC EVALUATION LANDFILL PERFORMANCE  ◆         매립지에서 토양층만으로 조성된 복토재에 대한 강우 또는 강설로 인한 침투량을 예측하는 데 이용되는 수문학적 모의 프로그램

20771    ◆         Hydrology          ◆         The science dealing with the properties, distribution, and circulation of water.

20772    ◆         HYDROLYSIS       ◆         가수분해 (수소분해)

20773    ◆         Hydrolysis          ◆         The decomposition of organic compounds by interaction with water.

20774    ◆         hydrolytic process           ◆         a double decomposition reaction effected by water, wherein a hydrogen atom goes to one compound and a hydroxyl group to another.

20775    ◆         HYDROMAGNETICS         ◆         자기유체역학

20776    ◆         Hydronic           ◆         A ventilation system using heated or cooled water pumped through a building.

20777    ◆         HYDRONIUM ION           ◆         히드로늄 이온; 물의 자체 양성자 이전반응에 의하여 생성된 H3O+

20778    ◆         hydrophile         ◆         a hydrophilic substance, usually a colloid or an emulsion.

20779    ◆         Hydrophilic        ◆         Having a strong affinity for water.

20780    ◆         hydrophilic         ◆         having an affinity for water; attracting, dissolving in, or absorbing water.

20781    ◆         Hydrophilic colloid          ◆         친수성 콜로이드; 물에 대한 인력이 있는 콜로이드

20782    ◆         hydrophobe       ◆         a substance, usually a colloid, that does not adsorb or absorb water.  Biology. an organism that is intolerant of water or a wet environment

20783    ◆         Hydrophobic      ◆         Having a strong aversion for water.

20784    ◆         Hydrophobic colloid        ◆         소수성 콜로이드; 물에 대한 인력이 없는 콜로이드

20785    ◆         hydrophone       ◆         an electroacoustic device that converts acoustic energy to electromagnetic waves in a water medium; used to detect and register the source of underwater sounds, as in tracking the presence of a submarine. Also, hydrophone array.

20786    ◆         HYDROPHYTES   ◆         수생식물

20787    ◆         hydroplane        ◆         of a vehicle, vehicle tire, or the like, to travel on the film of water on a wet surface with a resulting decrease in control.

20788    ◆         Hydropneumatic ◆         A water system, usually small, in which a water pump is automaticaly controlled by the pressure in a cpmpressed air tank.

20789    ◆         hydroseparator   ◆         a mechanism for separating solids from the liquid in which they are suspended by agitating them with hydraulic pressure or a stirring impeller. Thus, hydroseparation.

20790    ◆         HYDROSPHERE   ◆         지구수계

20791    ◆         hydrostatic assumption    ◆         the assumption, disregarding local water density and the local acceleration of gravity, that the pressure of seawater will increase by 1 atmosphere (101,325 newtons per square meter) with every 10 meters of increased depth.

20792    ◆         hydrostatic bearing         ◆         a sleeve bearing in which high-pressure oil is pumped into the area between the bearing and the shaft, creating hydrostatic pressure around the shaft, thereby raising and supporting the shaft by a film of oil.

20793    ◆         HYDROSTATIC EQUATION ◆         정역학적방정식

20794    ◆         hydrostatic roller conveyor           ◆            a roller conveyor having liquid-weighted rolls that help control the speed of conveyance.

20795    ◆         hydrostatic strength        ◆         the ability of a body or vessel to withstand static internal pressure.

20796    ◆         hydrostatic stress            ◆         the condition of a system in which compressive or tensile stress is equal in all directions at all points and no shear stress exists.

20797    ◆         hydrothermal crystal growth         ◆            the formation of simple crystals of quartz in an autoclave with an alkaline solution at elevated pressures and temperatures.

20798    ◆         hydrothermal stage         ◆         in the crystallization of magma, a latter phase characterized by hot residual fluids highly saturated with dissolved materials.

20799    ◆         hydrotreating     ◆         an oil refinery catalytic process in which hydrogen is contacted with petroleum product streams to remove impurities.

20800    ◆         HYDROXIDE       ◆         수산화물; OH-