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... water, and land use impacts associated with oil and gas production nationally and in Region 8. These policies range from the implementation of mandatory emissions limits on oil and gas operations ... unconventional natural gas resources including tight gas sands, shale gas, and CBM. Unconventional oil and gas resources are loosely defined as resources that are generally deeper and / or more difficult ... important to current and future domestic oil and gas supplies; highlights the unique characteristics of Region 8, such as its geology and potential for oil and gas production; and introduces relevant...

Ngày tải lên: 06/03/2014, 16:20

... risk mitigation and a low carbon future THE ECONOMIC IMPACTS FOR IRELAND OF HIGH OIL AND GAS PRICES 17 Oil and Gas Prices and their Determinants Chapter 1. Oil and Gas Prices and their Determinants T his ... 07 Chapter3. Economic and SocialImpactsof  three Oil and Gas PriceScenarios. 09 Chapter4. Ireland’sdependenceon Oil and Gas.  15 Chapter5. Options and actionstoreduce  exposuretoHigh Oil and Gas Prices. ... moderate and steady outlook for oil and gas prices. 3 For the purpose of this analysis we view oil and gas prices as a coupled entity and interchange between discussions of oil, gas and both...

Ngày tải lên: 08/03/2014, 06:20

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Ngày tải lên: 31/03/2014, 13:20

Ngày tải lên: 01/04/2014, 15:20

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Ngày tải lên: 28/05/2014, 14:19

... approves and supervises most oil and gas operations on American Indian lands. The BLM regulations governing onshore oil and gas operations are codified at 43 CFR Part 3160 (onshore oil and gas operations). ... Groundwater Information Center at the Montana Bureau of Mines and Geology, the Utah Division of Oil, Gas, and Mining, and the Wyoming Oil and Gas Conservation Commission. In addition, the U.S. Geological ... operations). Onshore oil and gas orders (OOGOs) implement and supplement the regulations found at 43 CFR Part 3160 for conducting oil and gas operations on federal or Indian lands. Notices to...

Ngày tải lên: 09/03/2014, 01:20

... performance standard for sulfur dioxide; an air toxics standard for major sources of oil and natural gas production; and an air toxics standard for major sources of natural gas transmission and storage. ... reviews of these standards every eight years. EPA’s existing air toxics standards for oil and natural gas production, and the standards for natural gas transmission and storage were issued ... the oil and natural gas industry while allowing continued, responsible growth in U.S. oil and natural gas production. The final rules include the first federal air standards for natural gas...

Ngày tải lên: 15/03/2014, 20:20

... essential oil and shikimic acid from star anise fruits. With this method, obtaining yield of essential oil and shikimic acid respectively are 9.5% and 5.6% (essential oil content and shikimic ... Sciences and Technology 26 (2010) 110-113 113 for obtaining simultaneously essential oil and shikimic acid from star anise fruits. The yield of essential oil and shikimic acid were 9.5% and ... N 0 1, N 0 2 and N 0 3 were shown at table 1 and table 2. Table 1. Obtaining simultaneously essential oil and shikimic acid from star anise fruits by methods N 0 1, N 0 2 and N 0 3 Star...

Ngày tải lên: 12/02/2014, 17:20

... 1 2Gas- diesel and dual-fuel engines 48 3 Exhaust emissions and control 64 4 Fuels and lubes: chemistry and treatment 88 5Performance 142 6 Engine and plant selection 159 7 Pressure charging 175 8 Fuel ... ENGINES AND GAS TURBINES where s is the stiffness in newtons per metre of deflection and m is the mass attached in kg. The essence of control is to adjust these two parameters, q and I (or s and ... input and output gears are respectively Pounder’s Marine Diesel Engines and Gas Turbines Eighth edition i a decade later the fleet had grown to some 2000 ships of almost two million grt; and by...

Ngày tải lên: 13/02/2014, 16:20

...  requiringnatural gas orpropaneasasourceofheat;therebysavingvaluable and diminishing naturalresources.Spaceheaters and furnacesareexcellentcandidates.Stoves and other cookingunitssuchasbarbecuegrillscanalsobefueledbythewater‐hybridsystem.Such applicationsrequireaseparatepowersupplytoconvertyourhomes120voltACpowerintothe 12voltDCpowerrequiredbythewater‐hybridsystem.Youcanpurchaseaninexpensivepower supplyatanyelectronicsstoresuchasRadioShack,or havesomeonefamiliarwithelectronics buildoneforyousincethedesignisverysimple.Thecostofhomeelectricityusedbythe water‐hybridsystemisinsignificant,probablylessthan$3permonthinmostcases.  IstheWaterhybridsystemdifficulttobuild? No,thewater‐hybridsystemisrelativelyeasytoassemble and veryeasytoinstall,especially comparedwithotherconversionplansonthemarket.Nospecialtoolsarerequired.Theusual tool and equipmentfoundinatypicalhomeworkshopwilldothejob.AssemblingtheHyTronic moduletoachieveitsinherenthighlevelofreliabilityrequirescare and attentiontodetails, alongwithaverageelectronicsskills.Theonlyspecialpieceoftestequipmentyoumaywantto haveaccesstouseisanoscilloscope.ItISNOTnecessary,butmayhelpyouobtainpeak efficiencyfromtheHyTronicsmodule.But,youshouldn’thaveanyproblemgettinghelpfroma localelectronicsguruifyoudon’thaveanoscilloscope.Mostfolksaresofascinatedbyunusual electronicsystems and devicesthattheywouldalmostbewillingtopayyoufortheprivilegeof tweakingyourHyTronicsmodule!  CanIbuyareadytoinstallWaterhybridsystem? Rightnow,thisspecificwater‐hybridsystemisnotbeingcommerciallymanufactured,butthere arevariousdistributorsaroundthecountrywhoofferDIY(Doityourself)partsorfully assembledkitsutilizingsimilartechnologies and principles. PlanningisintheinitialstagesforproducingWater‐hybridconversionkitsformost vehicles and eventuallymanufacturingtheentiresystem,oratleastitsmajorcomponents.We’re hopingtohavesomeprototypekitstestedsoon and deliveryofready‐to‐installkitsshould beginsometimebeforetheendof2008.However,you’llsoonbebuildingyourown! 23 RunaCaronWater  2. ... Besurepetroleumjellycoatsonlytheendcapthreads. 17 RunaCaronWater   Figure5:GeneratorElectrodeCircuitSchematic  18 RunaCaronWater  ThesquarewavepulseratiodeterminestheamountofcurrentsenttotheGenerator electrodesbythecircuitoffigure5.Iftheratioislow(1:1),verylittlecurrentarrivesatthe electrodes.So,verylittlehydrogen and oxygenareproducedbytheGenerator.Iftheratiois high(10:1),maximumcurrentreachestheelectrodes and theGeneratorproducesmaximum gas volume.Varyingvoltageinputfromapotentiometerconnectedviaa10Kresistortopin3of componentLM741causesthecircuittovarythepulseratio, and thereforecontrolstheamount ofgasesproduced.Thepotentiometershaftconnectsto thevehiclethrottlelinkage,enabling controlof gas volumeindirectresponsetovoltagechangescorrelatingwithrotationofthe potentiometershaftinrelationtothrottlepositioning.Atrimmingpotentiometerconnectspins 2 and 6ofcomponentLM741,enablingpreciseadjustmentofthethrottleinputsignal.A secondtrimmingpotentiometerconnectspins4 and 7ofcomponentNE555,enablingprecise pulsewidthadjustment. TheelectrodepairsofeachGeneratorexhibitauniquefrequencyofelectricalresonanceat whichoptimum gas volumeiscreated.Thisfrequencyoftenvariesconsiderablyamong differentGenerators.Severalfactorsdetermineresonancefrequencysuchas:electrodesize and shape,Generatorchambersize and shape,spacingbetweenelectrodes,coilparameters and relativepositioning, and pulseamplitude(voltagelevel).Atrimmingpotentiometer connectedbetweenpins1 and 2ofcomponentCD4069allowstheprecisefrequencytobe obtained.Byselectingvariouscombinationsofdipswitchconnectionstoabankoffour capacitors,pulsefrequencycanbevariedbetweenapproximately8KHz and 260KHz. ... Usingyourfinger,applyaverythin,butunbroken,coatofepoxycompletelyaroundthe bottomedge(rodend)oftheouterelectrode.Formabandexte4ndingabout¼”highfrom thebottomedge,coatingboththeinside and outsidesurfacesoftheelectrode. Note Besuretoinstalltheouterelectrodefirst. Note Theprocedureofstep41centerstheinnerelectrodewithintheouterelectrode.Donot overlaptapeendsifmoretapeisadded;simplybuttthetapeendsbeforecontinuingto wrap. 12 RunaCaronWater   Forafewbriefmoments,onlymoreaccuratealignment and increasedpullingactionuponthe watermoleculesoccurs.But,theHyTronicssignalpulseskeepchargingthewatercapacitorto higher and highervoltagelevels;actuallyseveralthousandvolts.Suddenlytheelectricalforces becomesogreatthatthewatermoleculesburstapart(scientistscallthisactiondisassociation) intotheirgaseousformsofhydrogen and oxygen.IfyouwereabletolookintotheGenerator, thisactionwouldbeobviousbecauseoftheformationofmillionsoftinyhydrogen and oxygen gas bubbles.AslongastheHyTronicssignalisapplied,thewatercapacitorremainsfully charged;continuouslycreatingorthohydrogen and oxygen. Anotherelectroniccircuitisformedbythegeneratorcoil.Thisisaninductivecircuit,meaningit createsamagneticfieldasopposedtothechargedfieldcreatedbythewatercapacitor.The verylowfrequencyHyTronicssignal(actuallyashortpulse)activatesthemagneticfieldofthe coil.Assoonasthepulsestops,themagneticfieldcollapses.Thiscreatesanevenstronger magneticfield,butafieldofoppositepolarity.Thatishowaninductivecircuitworks,anaction commonlycalled“inductivekick.”Eachpulseispreciselytimedsothatalmostimmediately afterthemagneticfieldreverses,anothershortpulsearrives.Onceagainthecoilischarged and itsmagneticfieldcollapses.Butnowthecontinuallyreversingmagneticfieldbecomeseven strongerduetoaddedenergyofeachnewpulse.Eventually(actuallywithinjustafewseconds) thecoilreachesitsmaximummagneticstrength,calleditssaturationpoint. Mostmoleculesareeffectedbymagneticfields.Thecoil’sreversingmagneticfieldsvibratethe watermoleculessovigorouslythattheydisassociateintogaseousformsofparahydrogen and oxygen.Disassociationobservablyoccurs,asseenbythecreationofmillionsoftinyhydrogen and oxygen gas bubblesaroundthecoil. Atthispoint,we’vecoveredtheconceptsneededtounderstandthebasicfunctioningofthe generator.EveryothercomponentoftheWater‐hybridsystemissimplyusedtoprecisely controltheactionofthegenerator.Byvaryingthestrength and frequencyoftheHyTronic signals,the ratebywhichhydrogen and oxygenarecreatedcanbevariedtomatchengine requirementsatanyparticularmoment.Waterissuppliedbythetank and pump,whilewater levelwithintheGeneratoriscontrolledbyalevelsensor and switch.Forsafetypurposes,a reliefvalveprotectsagainstexcesspressurebuildupwithinthegenerator.Separateportsare providedforattachinghosestoroute gas totheengine and toanoptionalgaugetomonitor gas pressurebuildupwithinthegenerator.Adrainvalveisinstalledtoallowperiodicflushingof accumulatedminerals and contaminants.Thebottomendcapisthreaded sothatthe Generatorcaneasilybeopenedupforinspectionorrepair and foroccasionalcleaningofthe electrodes and coil.Twopairsofstainlesssteel(copper,oranyconductivemetal)rodends 19 RunaCaronWater   Figure6:GeneratorCoilCircuitSchematic TheGeneratorcoilcircuitcreatesapulsedsignalverymuchsimilartothatoftheelectrode circuitoffigure5;but,productionofparahydrogen and oxygenbythecoilentailstotally differentoperatingparametersthandoesorthohydrogen and oxygenproductionbythe electrodes.Optimumoperatingfrequencyforthecoilismuch lower,withintherangeof approximately16Hzto25Hz.Coilfrequencydirectlycorrelatestotheoptimumoperating frequencyoftheelectrodecircuitsinceitsinputsignalisreceiveddirectlyfrompin3of electrodecircuitcomponentNE555.Theelectrodecircuitsignalisreceivedviathe“Divideby N”logiccircuitwhichproducesoneoutputsignalinresponsetoaspecificnumberofinput signals.Forexample,iftheoptimalfrequencyoftheelectrodecircuitis19KHz and the“Divide byN”logiccircuitcreatesoneoutputpulseforevery1,000inputpulses,theoutputfrequency ofthe“Divide byN”logiccircuitwouldbe19Hz.Thatsignalisreceivedviapin2ofcomponent NE555,whichcreatestherequiredsquarewavepulses.Thosepulsesaresentviapin3tothe baseoftransistor2N3055,wheretheyareamplified and transmittedtothecoil. 11 RunaCaronWater  toslowitsburningrate.Atbestthisisaninexactsciencesinceitdependsupontryingto averagetheoctanerequirementsformillionsofengines. Technicallyspeaking,theHydrogen/OxygenGeneratoritselfisanelectronic‐basedunit.The twoelectrodesformabasiccapacitor,thousandsoftimeslargerthancapacitors usedintypical circuits,withwateractingasitsdielectric.Theinnerelectrodeisnegativelycharged, and the outerelectrodeispositivelycharged,bythehighfrequencyHyTronicssignal.Chemically,each watermolecule(H20)iscomposedoftwopositivelychargedatomsofhydrogen and one negativelychargedatomofoxygen.Since oppositechargesattract,thepositivelycharged hydrogenatomsarepulledtowardtheinnerelectrode.But,atthesameinstant,thenegatively chargedoxygenatomsarepulledtowardtheouterelectrode.Thisactionalignseverywater moleculebetweentheelectrodes,withtheendsofeachmoleculebeingpulledinopposite directions.Inanutshell,thisisthehydrolysisprocesscentraltohydrogenextraction.  Figure1:Hydrogen/OxygenGenerator 22 RunaCaronWater  Let’sBuildthewaterhybridsystem!:GeneratorConstruction Electrodes Sinceenginerequirementsdictatethevolumeofhydrogen and oxygengasesthatthegenerator mustcreate, and gas volumeisvariable,Irecommendsizingitaslargeasispracticaltoallow reservecapacity.Maximumoutsidediameterof4.5”isalreadydeterminedbytheconstruction materialusedfortheGeneratorhousing: 4”CPVCSchedule80pipe.Irecommendaminimum heightof10”.Maximumheightdependsuponavailablespacewithintheenginecompartment but,forstructuralintegrity,limitheightto18”.Carefullychecktheenginecompartmentofyour vehicletoensurethatadequatespaceexistsforgeneratorinstallation.Ifadequatespacedoes notexisteitherlimitthegeneratorheight(butnotlessthan10”),orlocatethegeneratorwithin thetrunk,orasfarforwardaspossibleunderthedash.  1....

Ngày tải lên: 19/02/2014, 04:20

... parts: Chemistry and Properties; Processing; Oxidation and Antioxidants; Nutrition; and Biotechnology and Biochemistry. We are grateful to the readers and users of the previous editions and can ... prostaglandins and leukotrienes [14,15]. Examples of some of the possible conversions from 20:4v6 are shown in Figures 1.5 and 1.6 [15]. The prostaglandins are called eicosanoids as a class and originate ... realize that there are 1-, 2-, and 3-series prostaglandins originating from 20:3v6, 20:4v6, and 20:5v3, respectively. The structures of the 1-, 2-, and 3-prostaglandins differ ∆-6-Desaturase 20:4ω3 18:4ω3 18:3ω3...

Ngày tải lên: 06/03/2014, 05:21

... surrounding land, and that means more money for the local government, which can sell that land to developers of apartment blocks. But first of all, the city needs to acquire that land and bring ... the stadium. He moved 200 yards away and built a new place with his own hands amid the leftover bits of farmland where the farmers struggle to grow corn and beans in earth that has washed down from ... manage, and build ports, roads, and railroads. What bank in this day and age can lend so much money to one of the world’s riskiest regimes, a nation with two centuries of credit defaults, and then...

Ngày tải lên: 16/03/2014, 21:32

... to NO 2 and H 2 S of gas sensors based on differently annealed WO 3 . Thick-film gas sensors based on differently annealed WO 3 nanopowders (400 and 700 8C) were pre- pared and their gas- sensing ... Spain Abstract Structural and NO 2 and H 2 S gas- sensing properties of nanocrystalline WO 3 powders are analysed in this work. Sensor response of thick- film gas sensors was studied in dry and humid air. ... temperatures for the detection of our target gases (between room temperature and 300 8C) in order to better relate structural and gas- sensing properties. Sensors and Actuators B 93 (2003) 475–485 * Corresponding...

Ngày tải lên: 19/03/2014, 16:47