إدارة الموسوعة: أنشأ الصفحة ب'المعجم البيئي مشروع قيد العمل يحتاج ترجمة وإضافات A - B - [[مسرد بيئ...'

2011-10-22T10:27:25Z

أنشأ الصفحة ب'المعجم البيئي مشروع قيد العمل يحتاج ترجمة وإضافات A - B - [[مسرد بيئ...'

صفحة جديدة

[[المعجم البيئي]] مشروع قيد العمل يحتاج ترجمة وإضافات

[[مسرد بيئي A|A]] - [[مسرد بيئي B|B]] - [[مسرد بيئي C|C]] - [[مسرد بيئي D|D]] - [[مسرد بيئي E|E]] - [[مسرد بيئي F|F]] - [[مسرد بيئي G|G]] - [[مسرد بيئي H|H]] - [[مسرد بيئي I|I]] - [[مسرد بيئي J|J]] - [[مسرد بيئي K|K]] - [[مسرد بيئي L|L]] - [[مسرد بيئي M|M]] - [[مسرد بيئي N|N]] - [[مسرد بيئي O|O]] - [[مسرد بيئي P|P]] - [[مسرد بيئي Q|Q]] - [[مسرد بيئي R|R]] - [[مسرد بيئي S|S]] - [[مسرد بيئي T|T]] - [[مسرد بيئي U|U]] - [[مسرد بيئي V|V]] - [[مسرد بيئي W|W]] - [[مسرد بيئي X|X]] - [[مسرد بيئي Y|Y]] - [[مسرد بيئي Z|Z]]

* L*ARO Reverse osmosis system by the former L*A Water Treatment Corp.
* L/d Liters per day.
* L/d ratio A simple parameter used to aid in sizing granular media .lters based on the bed depth and effective size of media.
* L-10 life See “B-10 life.”
* La Ni.a A climatic cycle that results in what climatologists believe is the most normal wind, pressure, and current patterns in the tropics.
* LADD Lowest acceptable daily dose.
* LAER Lowest achievable emission rate.
* Lagco Parshall .ume by F.B. Leopold Co., Inc.
* lagoon An excavated basin or natural depression that contains water, wastewater, or sludge.
* Lagoonerator™ Submerged, .ne bubble aeration diffusion device by USFilter/Envirex.
* laid length The total length of a pipe or pipeline after it has been placed in position.
* lake A large, inland body of water, usually more than 200,000 square meters.
* Lake Aid Systems Former name of LAS International.
* Lakos IPC Self-cleaning pump intake screen by Claude Laval Corp.
* LAL test See “Limulus Amebocyte Lystate test (LAL test).”
* lamel A thin plate.
* Lamella® Gravity settler/thickener using inclined plates by Parkson Corp.
* LamGard Automated oxygen control system by Gardner Denver Blower Division.
* laminar .ow A .ow situation in which .uid moves in smooth parallel layers with essentially no mixing or turbulence, usually with a Reynolds number less than 2000.
* LAMP Lake Acidi.cation Mitigation Project.
* Lam-Pak® Package treatment plant by Graver Co.
* Lamson® Centrifugal blower products by Gardner Denver Blower Division.
* Lanco Environmental™ Equipment product line of Waterlink Separations, Inc.
* Lancom™ Flue gas monitoring system by Land Combustion.
* Lancy™ Wastewater treatment product line offered by USFilter/Industrial Wastewater Systems.
* land application The disposal of wastewater or municipal solids onto land under controlled conditions.
* land ban RCRA provisions prohibiting land disposal of speci.c toxic materials unless they meet applicable treatment standards.
* land disposal Application of municipal wastewater solids to the soil without production of usable agricultural products.
* Land Disposal Restrictions (LDR) EPA-promulgated rules implementing the land ban.
* landfarming Application of organic waste onto surface soil for the purpose of controlled biodegradation.
* land.ll (LF) A land disposal site that employs an engineering method of solid waste disposal to minimize environmental hazards and protect the quality of surface and subsurface waters.
* Landox™ Aeration system by WesTech Engineering Inc. (North America) and Landustrie Sneek BV.
* landscaping The enhancement of the appearance of land by changing its contours and planting decorative vegetation.
* Landy™ Surface aerator product line by WesTech Engineering Inc. (North America) and Landustrie Sneek BV.
* Langelier Saturation Index (LSI) A measure of the degree of saturation of calcium carbonate in water based on pH, alkalinity, and hardness. A positive LSI indicates that calcium carbonate may precipitate from solution to form scale.
* Lanpac® Packing media for air stripping towers by Lantec Products, Inc.
* lapse rate The rate at which temperature decreases as altitude increases.
* Laran® An anaerobic wastewater pretreatment process by Lotepro Corp (Western Hemisphere) and Linde-KCA-Dresden GmbH.
* large calorie (Cal) See “calorie.”
* large dam Criteria established by ICOLD to categorize dams whose height 15 meters or more; or whose height is between 10-15 meters with a crest length of at least 500 meters with a reservoir volume of at least 1 million cubic meters.
* large quantity generator Person or facility generating more than 1000 kilos (2200 pounds) of hazardous waste per month and subject to all RCRA requirements.
* large water system A water system that serves more than 50,000 persons.
* large-quantity handlers (LQHs) Universal waste handlers who accumulate more than 5000 kilograms of wastes.
* LAS See “linear alkyl sulfonate (LAS).”
* Lasaire® Lagoon aeration system by A.B. Marketech, Inc.
* latency period The time elapsing from the .rst exposure of a chemical until the appearance of a toxic effect.
* latent heat The heat required to cause a change of state at constant temperature, such as the vaporization of water or the melting of ice.
* lateral A secondary pipe that extends from a main water pipe or header.
* Lateral Flow Sludge Thickener™ Gravity sludge thickener by Gravity Flow Systems, Inc.
* lateral sewer A sewer which connects the collection main to the interceptor sewer.
* launder A trough used to transport water.
* laundering weir A v-notched over.ow weir used to promote uniform .ow rates.
* laundry wastes Wastewater from industrial laundries that may be characterized by the presence of lint, .bers, oils, and greases.
* Lavasol™ Liquid reverse osmosis membrane cleaners by Professional Water Technologies, Inc.
* LC (1) Lethal concentration. (2) Liquid chromatography.
* LC50 See “lethal concentration.”
* LCL Lower control limit.
* LCR Lead and Copper Rule.
* LCRS Leachate collection and removal system.
* LD See “lethal dose.”
* LD50 See “lethal dose (LD).”
* LDC London Dumping Convention.
* LDCRS Leachate detection, collection, and removal system.
* LDR See “Land Disposal Restrictions (LDR).”
* LDS Leak detection system.
* leach .eld The area of land into which a septic tank drains or wastewater is discharged.
* leachate Fluid which percolates through solid materials or wastes and contains suspended or dissolved materials or products of the solids.
* leachate collection system A system that gathers leachate and pumps it to the surface for treatment.
* leaching The process by which soluble materials are washed out of soil, ore, or buried waste, and into a water source.
* lead A trace element and cumulative poison that may be inhaled or ingested in food or water. Chemical formula is Pb.
* Leadtrak Test kits used to determine lead content of water by Hach Co.
* leaf .lter A precoat .lter with .at elements or leaves.
* leakage (1) The presence of an ionic species in an ion exchanger ef.uent that usually indicates bed exhaustion. (2) The uncontrolled loss of water from a tank or aquifer.
* Leakwise® Oil on water monitoring systems by Agar Corp.
* L’eau Claire® Up.ow .lter products by USFilter/Whittier.
* Lectra/San Marine sanitation system by Exceltec International Corp.
* left bank The left hand bank of a river or stream when facing downstream.
* Legionella A genus of bacteria, some species of which have caused a type of pneumonia called Legionnaires Disease.
* LEL See “lower explosive limit (LEL).”
* Lemna® Biological wastewater treatment system utilizing aquatic duckweed by Lemna Corp.
* Lemnaceae Floating aquatic plants that provide a habitat for aquatic organisms capable of metabolizing wastewater organics. Also known as “duckweed.”
* LemTec™ Biological wastewater treatment system and products by Lemna Corp.
* lentic water Standing or stagnant pond, swamp, or marsh water.
* Leo-Lite Fiberglass ef.uent and scum trough by F.B. Leopold Co., Inc.
* Leopold® Water and wastewater treatment products by F.B. Leopold Co., Inc.
* LeoVision PC-driven graphics display of treatment plant operating conditions by
* F.B. Leopold Co., Inc. LEPA The designation for a low-energy, precision application irrigation sprinkler. lethal Causing, or being able to cause, death. lethal concentration The concentration of a substance which is fatal to a speci.ed
* percentage of the population, usually expressed at the 50% level as LC50.
* lethal dose (LD) The quantity of a substance which is fatal to a speci.ed percentage of the population, usually expressed at the 50% level as LD50.
* LEV Low emissions vehicle.
* levee A dike or embankment along a river built to prevent .ooding of the surrounding land.
* Level Bed Agitator Agitator used in composting system by USFilter/CPC.
* Level Mate™ Level measurement instrument by Ametek, PMT Products.
* Level of Concern (LOC) The concentration in air of an extremely hazardous substance above which there may be serious immediate health effects to anyone exposed for short periods.
* levigation The separation of .ne particles from coarser ones by suspending them in a liquid.
* Lewatit® Ion exchange resin by Bayer Corp.
* LF See “land.ll (LF).”
* LFG Land.ll gas.
* LFL Lower .ammability limit.
* LHW Liquid hazardous waste.
* LI See “Langelier Saturation Index (LSI).”
* lichen A sponge-like plant growing on wood, stone, or soil which is formed by an association of a fungus and alga, and often used as an air pollution indicator species.
* life cycle cost A method of comparing costs of various alternatives which considers capital, operations, and maintenance costs.
* Lifeserver™ Built-in-place wastewater treatment plants by USFilter/Davco.
* lifetime exposure Total amount of exposure to a substance which a human would receive in a lifetime, usually assumed to be 70 years.
* Lift Screen Reciprocating rake bar screen by USFilter/Headworks Products.
* lift station A chamber that contains pumps, valves, and electrical equipment necessary to pump water or wastewater.
* ligand An atom, ion, or molecule bound to a central atom of a molecule to form
* a complex. Lightspeed Digital .ber optic .owmeter by Newport Electronics. lignin An organic substance that forms the chief part of wood tissue.
* lignite A type of coal with a low energy content; also called “brown coal.”
* LIMB Limestone-injection multistage burner.
* Limber.o Precast .lter bottom system by USFilter/Aerator Products.
* lime The term generally used to describe ground limestone (calcium carbonate), hydrated lime (calcium hydroxide), or burned lime (calcium oxide).
* lime kiln A unit used to calcine lime.
* lime recalcining Recovery of lime from water or wastewater sludge, usually with a multiple hearth furnace.
* lime scale Scale formed by hard water containing a high percentage of calcium carbonate.
* lime slaker A device used to hydrate quicklime.
* lime softening The addition of suf.cient lime to raw water to achieve a reduction of carbonate hardness.
* lime stabilization The addition of lime to untreated sludge to raise the pH to 12 for a minimum of 2 hours to chemically inactivate microorganisms.
* lime-and-settle Common term for treatment technologies that utilize chemical precipitation and sedimentation processes.
* lime-soda softening The addition of suf.cient lime and soda ash to raw water to achieve a reduction of carbonate and noncarbonate hardness.
* limestone A sedimentary rock composed primarily of calcium carbonate.
* limestone scrubbing Use of a limestone and water solution to remove gaseous stack-pipe sulfur before it reaches the atmosphere.
* limit of detection (LOD) The minimum concentration that can be detected by an analytical method. Generally the same as “instrument detection limit.”
* limnology The study of fresh water lakes and their .ora and fauna.
* LIMS Laboratory information management system.
* Limulus Amebocyte Lystate test (LAL test) A test used to determine presence of endotoxins in treated water, commonly used on water to be used for pharmaceutical purposes.
* lindane A pesticide that causes adverse health effects in domestic water supplies and is toxic to freshwater .sh and aquatic life.
* Lindox® A pure oxygen, activated sludge wastewater treatment process by Lotepro Corp. (Western Hemisphere) and Linde-KCA-Dresden GmbH.
* linear alkyl sulfonate (LAS) A family of chemical compounds widely used as detergents, sometimes called “soft detergents” because they are readily degraded to simpler substances by biological action.
* liner (1) A barrier of plastic, clay, or other impermeable material which prevents leachate from contacting surface or subsurface water. (2) A protective, corrosion resistant layer attached or bonded to the inside of a tank.
* Link-Belt® Environmental equipment product line by USFilter/Envirex.
* Linpor® An activated sludge wastewater treatment process by Lotepro Corp. (Western Hemisphere) and Linde-KCA-Dresden GmbH.
* LinX™ A spool valve used in reverse osmosis energy recovery devices by Desal Co. Ltd.
* lipids A group of organic compounds including fats that are water insoluble and important in the structure of cell walls and membranes.
* lipophilic Having an af.nity for oil.
* Liquaclone® Hydrocyclonic solids separation unit for removal of granular solids from liquid discharges by Sanborn Environmental Systems.
* Liquapac™ Solids removal unit for spent coolant/oil clari.cation applications by Sanborn Environmental Systems.
* liquefaction The process of making or converting a solid or gas to a liquid.
* Liqui/Jector® Liquid/gas coalescer by Osmonics, Inc.
* Liqui-Cel® Membrane contactors by Celgard LLC.
* liquid The state of matter between the solid and gaseous states in which matter possesses a de.nite volume and .ows freely but has no de.nite shape.
* Liquid A™ Sludge stabilization process by RDP Technologies, Inc.
* Liquid Carbonic Product line acquired by Praxair, Inc.
* liquid chlorine Chlorine compound that contains no water and results from gaseous chlorine under high pressure and which is stored in steel drums and cylinders.
* liquid sludge Sludge which contains suf.cient water .ow by gravity or permit pumping.
* liquid-liquid extraction (LLE) See “solvent extraction.”
* Liquid-Miser Activated carbon odor absorbers by Westport Environmental Systems.
* Liquidow® Calcium chloride products by Dow Chemical Co.
* LiquidPure Small, low-cost activated carbon drum adsorber by American Norit Company, Inc.
* Liqui-Fuge™ Internally fed rotary .ne screen by Vulcan Industries, Inc.
* LiQuilaz® In-line sensor for particle measurement by Particle Measuring Systems, Inc.
* Liquiphant Liquid level indicator by Endress+Hauser.
* Liqui-pHase® Carbon-dioxide neutralization system by Praxair, Inc.
* LiquiPro™ Metering pumps by Liquid Metronics, Inc.
* Liquipure Company acquired by USFilter/Lowell.
* Liqui-Strainer Externally fed rotating drum screen by Vulcan Industries, Inc.
* Liquitron® pH/ORP controllers by Liquid Metronics, Inc.
* liquor A aqueous solution of one or more chemical compounds.
* listed hazardous waste The designation for a waste material that appears on an EPA list of speci.c hazardous wastes or hazardous waste categories.
* liter (L) A unit of volume equal to 1000 cubic centimeters or 1.057 quarts. One liter of water weighs 1000 grams. Also called “litre.”
* lithology The character or description of rocks in terms of their physical and chemical characteristics.
* lithosphere The solid portion of earth composed of rocks and soil.
* Litmustik® Pocket pH tester by Omega Engineering, Inc.
* litre See “liter (L).”
* litter Solid waste or garbage from human activity deposited indiscriminately.
* Little Fox Modular wastewater treatment plant for marine applications by Red Fox Environmental, Inc.
* littoral zone The area of the shore line between high and low tides where rooted water plants can grow.
* live bottom bin A storage bin in which controlled bottom discharge is facilitated by a vibrating device or other mechanical mechanism.
* LLD Lower limit of detection. Generally the same as “instrument detection limit.”
* LLE Liquid-liquid extraction. See “solvent extraction.”
* LLL Low liquid level.
* LLQ Lower limit of quantitation. Generally the same as “estimated quantitation limit.”
* LLW See “low-level radioactive waste (LLW).”
* LME® Inclined plate separator by USFilter/Zimpro.
* LMI Liquid Metronics, Inc.
* LNG Lique.ed natural gas.
* Lo/Pro™ Packaged odor control system by USFilter/RJ Environmental.
* Load Limitor Automatic chain tensioning system for traveling water screens by USFilter/Rex & Link-Belt Products.
* loading rate The .ow rate per unit area of treatment process through which water .ows.
* LOAEL See “lowest-observed-adverse-effect level (LOAEL).”
* loam soil A rich soil consisting of organic material, sand, silt, and clay.
* Lobe-Aire® Rotary lobe blower by Spencer Turbine Co.
* Lobe.o™ Rotary lobe pump by MGI Pumps, Inc.
* Lobestar® Mixing eductor by Vortex Ventures.
* LOC See “Level of Concern (LOC).”
* local ventilation The drawing off and replacement of contaminated air directly from its source.
* localized corrosion Corrosion taking place at a relatively high speed in limited sections of the area exposed to the corrosive medium.
* Lo-Cat® Hydrogen sul.de oxidation process for anaerobic bio-gas systems by USFilter/Gas Technologies.
* loch A lake or narrow body of water surrounded by land and stretching to the sea (Scottish).
* lock A short section of a canal equipped with gates at both ends so that the water level can be changed to raise or lower boats from one level to another.
* LOD See “limit of detection (LOD).”
* LOEL Lowest-observed-effect concentration.
* log boom A .oating structure of logs or timber used to protect an intake, dam, or other structure by de.ecting .oating material.
* log reduction See “log removal.”
* log removal A means of indicating the level of log10 removal, inactivation, or kill of pathogenic organisms through physical-chemical treatment of water. For example, 1-log removal equals a 90% reduction of the speci.ed organism; a 2-log reduction equals a 99% reduction; and a 3-log reduction equals a 99.9% reduction.
* log-death phase Bacterial growth phase where the microbe death rate exceeds the production of new cells.
* LogEasy™ Particle counter by Hach Co.
* log-growth phase Bacterial growth phase where cells divide at a rate determined by their generation time and their ability to process food.
* Lo-Head™ Traveling bridge .lter by Agency Environmental, Inc.
* Lo-Hi™ Low pressure, high intensity ultraviolet lamps by PCI-Wedeco Environmental Technologies, Inc.
* LOI Loss on ignition.
* long ton A unit of weight equal to 2240 pound.
* Longopac Screenings bagging system by Spirac.
* LoNox™ Combustion burner by John Zink Co.
* LOOP Package wastewater treatment process using oxidation ditch process by Smith & Loveless, Inc.
* Loop Chain Nonmetallic, .lament wound sludge collector chain by USFilter/Envirex.
* Lo-Pro™ Air stripper by Geotech/ORS Environmental Systems.
* LOQ Limit of quantitation. Generally the same as “estimated quantitation limit.”
* loss of head A decrease in head energy that results from a bend, obstruction, or expansion in a channel or pipeline.
* lotic water Rapidly .owing water of a river or stream.
* Love Canal An industrial chemical waste site in Niagara Falls, NY which contaminated a residential area and contributed to public furor resulting in the 1980 enactment of Superfund.
* low NOx burners One of several combustion technologies used to reduce emissions of nitrogen oxides.
* low sodium water Bottled water containing 140 mg or less of sodium per serving.
* low sulfur coal See “compliance coal.”
* lower explosive limit (LEL) The concentration of a compound in air below which the mixture will not catch on .re.
* lowest-observed-adverse-effect level (LOAEL) The lowest dose of a substance to cause an increase in the frequency or severity of an adverse effect in an exposed population.
* low-.ow toilet A toilet that uses no more than 1.6 gallons of water per .ush.
* low-level radioactive waste (LLW) Wastes less hazardous than most of those associated with nuclear reactor, usually generated by hospitals, research laboratories, and certain industries.
* LOX Liquid oxygen.
* LP Block™ Low pro.le .lter underdrain by Tetra Process Technologies.
* lpf Liters per .ush.
* LPG Lique.ed petroleum gas.
* LQG Large quantity generator.
* LQHs See “large-quantity handlers (LQHs).”
* LSC™ Package spray-type deaerating heater by Graver Co.
* LSI See “Langelier Saturation Index (LSI).”
* LSTK Lump sum turnkey.
* LTA Low temperature additive.
* LTESWTR Long-Term Enhanced Surface Water Treatment Rule.
* LUFT Leaking underground fuel tank.
* lumen (1) The bore or axial hole through the center of a hollow .ber membrane or tubular structure. (2) A unit of light measurement equal to the light given off in a unit solid angle from a uniform point source of one candela.
* LUST Leaking underground storage tank.
* LVHC Low volume, high concentration.
* LWL Low water level.
* LWT® Liquid Waste Technology, Inc.
* LX Leachability index.
* Lyco™ Wastewater treatment equipment product line by USFilter/Industrial Wastewater Systems.
* Lynx® Chain driven bar screen by Waterlink Separations, Inc.
* lyse To undergo lysis.
* lysimeter A device used to measure or obtain samples of water draining through soil.
* lysis The rupture of a cell that results in loss of its contents

[[مسرد بيئي A|A]] - [[مسرد بيئي B|B]] - [[مسرد بيئي C|C]] - [[مسرد بيئي D|D]] - [[مسرد بيئي E|E]] - [[مسرد بيئي F|F]] - [[مسرد بيئي G|G]] - [[مسرد بيئي H|H]] - [[مسرد بيئي I|I]] - [[مسرد بيئي J|J]] - [[مسرد بيئي K|K]] - [[مسرد بيئي L|L]] - [[مسرد بيئي M|M]] - [[مسرد بيئي N|N]] - [[مسرد بيئي O|O]] - [[مسرد بيئي P|P]] - [[مسرد بيئي Q|Q]] - [[مسرد بيئي R|R]] - [[مسرد بيئي S|S]] - [[مسرد بيئي T|T]] - [[مسرد بيئي U|U]] - [[مسرد بيئي V|V]] - [[مسرد بيئي W|W]] - [[مسرد بيئي X|X]] - [[مسرد بيئي Y|Y]] - [[مسرد بيئي Z|Z]]

[[تصنيف:معجم]]

مسرد بيئي L - تاريخ المراجعة

إدارة الموسوعة: أنشأ الصفحة ب'المعجم البيئي مشروع قيد العمل يحتاج ترجمة وإضافات A - B - [[مسرد بيئ...'