... water, and land use impacts associated with oilandgas production nationally and in Region 8. These policies range from the implementation of mandatory emissions limits on oilandgas operations ... unconventional natural gas resources including tight gas sands, shale gas, and CBM. Unconventional oilandgas resources are loosely defined as resources that are generally deeper and / or more difficult ... important to current and future domestic oilandgas supplies; highlights the unique characteristics of Region 8, such as its geology and potential for oilandgas production; and introduces relevant...
... risk mitigation and a low carbon future THE ECONOMIC IMPACTS FOR IRELAND OF HIGH OILANDGAS PRICES 17 Oil andGas Prices and their DeterminantsChapter 1. Oil andGas Prices and their DeterminantsThis ... 07Chapter3.Economic and SocialImpactsofthree OilandGas PriceScenarios. 09Chapter4.Ireland’sdependenceon Oiland Gas. 15Chapter5.Options and actionstoreduceexposuretoHigh OilandGas Prices. ... moderate and steady outlook for oil and gas prices. 3 For the purpose of this analysis we view oil andgas prices as a coupled entity and interchange between discussions of oil, gas and both...
... approves and supervises most oilandgas operations on American Indian lands. The BLM regulations governing onshore oiland gas operations are codified at 43 CFR Part 3160 (onshore oilandgas 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 oilandgas orders (OOGOs) implement and supplement the regulations found at 43 CFR Part 3160 for conducting oilandgas operations on federal or Indian lands. Notices to...
... performance standard for sulfur dioxide; an air toxics standard for major sources of oiland 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 oiland natural gas production, and the standards for natural gas transmission and storage were issued ... the oiland natural gas industry while allowing continued, responsible growth in U.S. oiland natural gas production. The final rules include the first federal air standards for natural gas...
... essential oiland shikimic acid from star anise fruits. With this method, obtaining yield of essential oiland 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 oiland shikimic acid from star anise fruits. The yield of essential oiland shikimic acid were 9.5% and ... N0 1, N0 2 and N0 3 were shown at table 1 and table 2. Table 1. Obtaining simultaneously essential oiland shikimic acid from star anise fruits by methods N0 1, N0 2 and N0 3 Star...
... 1 2Gas- diesel and dual-fuel engines 483 Exhaust emissions and control 644 Fuels and lubes: chemistryand treatment 885Performance 1426 Engine and plant selection 1597 Pressure charging 1758 Fuel ... ENGINES ANDGAS TURBINESwhere 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 (ors and ... input and output gears are respectivelyPounder’sMarine Diesel Engines and Gas TurbinesEighth editionia decade later the fleet had grown to some 2000 ships of almost twomillion grt; and by...
... requiringnatural gas orpropaneasasourceofheat;therebysavingvaluable and diminishingnaturalresources.Spaceheaters and furnacesareexcellentcandidates.Stoves and othercookingunitssuchasbarbecuegrillscanalsobefueledbythewater‐hybridsystem.Suchapplicationsrequireaseparatepowersupplytoconvertyourhomes120voltACpowerintothe12voltDCpowerrequiredbythewater‐hybridsystem.YoucanpurchaseaninexpensivepowersupplyatanyelectronicsstoresuchasRadioShack,orhavesomeonefamiliarwithelectronicsbuildoneforyousincethedesignisverysimple.Thecostofhomeelectricityusedbythewater‐hybridsystemisinsignificant,probablylessthan$3permonthinmostcases.IstheWaterhybridsystemdifficulttobuild?No,thewater‐hybridsystemisrelativelyeasytoassemble and veryeasytoinstall,especiallycomparedwithotherconversionplansonthemarket.Nospecialtoolsarerequired.Theusualtool and equipmentfoundinatypicalhomeworkshopwilldothejob.AssemblingtheHyTronicmoduletoachieveitsinherenthighlevelofreliabilityrequirescare and attentiontodetails,alongwithaverageelectronicsskills.Theonlyspecialpieceoftestequipmentyoumaywanttohaveaccesstouseisanoscilloscope.ItISNOTnecessary,butmayhelpyouobtainpeakefficiencyfromtheHyTronicsmodule.But,youshouldn’thaveanyproblemgettinghelpfromalocalelectronicsguruifyoudon’thaveanoscilloscope.Mostfolksaresofascinatedbyunusualelectronicsystems and devicesthattheywouldalmostbewillingtopayyoufortheprivilegeoftweakingyourHyTronicsmodule!CanIbuyareadytoinstallWaterhybridsystem?Rightnow,thisspecificwater‐hybridsystemisnotbeingcommerciallymanufactured,buttherearevariousdistributorsaroundthecountrywhoofferDIY(Doityourself)partsorfullyassembledkitsutilizingsimilartechnologies and principles.PlanningisintheinitialstagesforproducingWater‐hybridconversionkitsformostvehicles and eventuallymanufacturingtheentiresystem,oratleastitsmajorcomponents.We’rehopingtohavesomeprototypekitstestedsoon and deliveryofready‐to‐installkitsshouldbeginsometimebeforetheendof2008.However,you’llsoonbebuildingyourown!23RunaCaronWater2. ... Besurepetroleumjellycoatsonlytheendcapthreads.17RunaCaronWaterFigure5:GeneratorElectrodeCircuitSchematic18RunaCaronWaterThesquarewavepulseratiodeterminestheamountofcurrentsenttotheGeneratorelectrodesbythecircuitoffigure5.Iftheratioislow(1:1),verylittlecurrentarrivesattheelectrodes.So,verylittlehydrogen and oxygenareproducedbytheGenerator.Iftheratioishigh(10:1),maximumcurrentreachestheelectrodes and theGeneratorproducesmaximum gas volume.Varyingvoltageinputfromapotentiometerconnectedviaa10Kresistortopin3ofcomponentLM741causesthecircuittovarythepulseratio, and thereforecontrolstheamountofgasesproduced.Thepotentiometershaftconnectstothevehiclethrottlelinkage,enablingcontrolof gas volumeindirectresponsetovoltagechangescorrelatingwithrotationofthepotentiometershaftinrelationtothrottlepositioning.Atrimmingpotentiometerconnectspins2 and 6ofcomponentLM741,enablingpreciseadjustmentofthethrottleinputsignal.Asecondtrimmingpotentiometerconnectspins4 and 7ofcomponentNE555,enablingprecisepulsewidthadjustment.TheelectrodepairsofeachGeneratorexhibitauniquefrequencyofelectricalresonanceatwhichoptimum gas volumeiscreated.ThisfrequencyoftenvariesconsiderablyamongdifferentGenerators.Severalfactorsdetermineresonancefrequencysuchas:electrodesize and shape,Generatorchambersize and shape,spacingbetweenelectrodes,coilparameters and relativepositioning, and pulseamplitude(voltagelevel).Atrimmingpotentiometerconnectedbetweenpins1 and 2ofcomponentCD4069allowstheprecisefrequencytobeobtained.Byselectingvariouscombinationsofdipswitchconnectionstoabankoffourcapacitors,pulsefrequencycanbevariedbetweenapproximately8KHz and 260KHz. ... Usingyourfinger,applyaverythin,butunbroken,coatofepoxycompletelyaroundthebottomedge(rodend)oftheouterelectrode.Formabandexte4ndingabout¼”highfromthebottomedge,coatingboththeinside and outsidesurfacesoftheelectrode.NoteBesuretoinstalltheouterelectrodefirst.NoteTheprocedureofstep41centerstheinnerelectrodewithintheouterelectrode.Donotoverlaptapeendsifmoretapeisadded;simplybuttthetapeendsbeforecontinuingtowrap.12RunaCaronWaterForafewbriefmoments,onlymoreaccuratealignment and increasedpullingactionuponthewatermoleculesoccurs.But,theHyTronicssignalpulseskeepchargingthewatercapacitortohigher and highervoltagelevels;actuallyseveralthousandvolts.Suddenlytheelectricalforcesbecomesogreatthatthewatermoleculesburstapart(scientistscallthisactiondisassociation)intotheirgaseousformsofhydrogen and oxygen.IfyouwereabletolookintotheGenerator,thisactionwouldbeobviousbecauseoftheformationofmillionsoftinyhydrogen and oxygen gas bubbles.AslongastheHyTronicssignalisapplied,thewatercapacitorremainsfullycharged;continuouslycreatingorthohydrogen and oxygen.Anotherelectroniccircuitisformedbythegeneratorcoil.Thisisaninductivecircuit,meaningitcreatesamagneticfieldasopposedtothechargedfieldcreatedbythewatercapacitor.TheverylowfrequencyHyTronicssignal(actuallyashortpulse)activatesthemagneticfieldofthecoil.Assoonasthepulsestops,themagneticfieldcollapses.Thiscreatesanevenstrongermagneticfield,butafieldofoppositepolarity.Thatishowaninductivecircuitworks,anactioncommonlycalled“inductivekick.”Eachpulseispreciselytimedsothatalmostimmediatelyafterthemagneticfieldreverses,anothershortpulsearrives.Onceagainthecoilischarged and itsmagneticfieldcollapses.Butnowthecontinuallyreversingmagneticfieldbecomesevenstrongerduetoaddedenergyofeachnewpulse.Eventually(actuallywithinjustafewseconds)thecoilreachesitsmaximummagneticstrength,calleditssaturationpoint.Mostmoleculesareeffectedbymagneticfields.Thecoil’sreversingmagneticfieldsvibratethewatermoleculessovigorouslythattheydisassociateintogaseousformsofparahydrogen and oxygen.Disassociationobservablyoccurs,asseenbythecreationofmillionsoftinyhydrogen and oxygen gas bubblesaroundthecoil.Atthispoint,we’vecoveredtheconceptsneededtounderstandthebasicfunctioningofthegenerator.EveryothercomponentoftheWater‐hybridsystemissimplyusedtopreciselycontroltheactionofthegenerator.Byvaryingthestrength and frequencyoftheHyTronicsignals,theratebywhichhydrogen and oxygenarecreatedcanbevariedtomatchenginerequirementsatanyparticularmoment.Waterissuppliedbythetank and pump,whilewaterlevelwithintheGeneratoriscontrolledbyalevelsensor and switch.Forsafetypurposes,areliefvalveprotectsagainstexcesspressurebuildupwithinthegenerator.Separateportsareprovidedforattachinghosestoroute gas totheengine and toanoptionalgaugetomonitor gas pressurebuildupwithinthegenerator.Adrainvalveisinstalledtoallowperiodicflushingofaccumulatedminerals and contaminants.ThebottomendcapisthreadedsothattheGeneratorcaneasilybeopenedupforinspectionorrepair and foroccasionalcleaningoftheelectrodes and coil.Twopairsofstainlesssteel(copper,oranyconductivemetal)rodends19RunaCaronWaterFigure6:GeneratorCoilCircuitSchematicTheGeneratorcoilcircuitcreatesapulsedsignalverymuchsimilartothatoftheelectrodecircuitoffigure5;but,productionofparahydrogen and oxygenbythecoilentailstotallydifferentoperatingparametersthandoesorthohydrogen and oxygenproductionbytheelectrodes.Optimumoperatingfrequencyforthecoilismuchlower,withintherangeofapproximately16Hzto25Hz.Coilfrequencydirectlycorrelatestotheoptimumoperatingfrequencyoftheelectrodecircuitsinceitsinputsignalisreceiveddirectlyfrompin3ofelectrodecircuitcomponentNE555.Theelectrodecircuitsignalisreceivedviathe“DividebyN”logiccircuitwhichproducesoneoutputsignalinresponsetoaspecificnumberofinputsignals.Forexample,iftheoptimalfrequencyoftheelectrodecircuitis19KHz and the“DividebyN”logiccircuitcreatesoneoutputpulseforevery1,000inputpulses,theoutputfrequencyofthe“DividebyN”logiccircuitwouldbe19Hz.Thatsignalisreceivedviapin2ofcomponentNE555,whichcreatestherequiredsquarewavepulses.Thosepulsesaresentviapin3tothebaseoftransistor2N3055,wheretheyareamplified and transmittedtothecoil.11RunaCaronWatertoslowitsburningrate.Atbestthisisaninexactsciencesinceitdependsupontryingtoaveragetheoctanerequirementsformillionsofengines.Technicallyspeaking,theHydrogen/OxygenGeneratoritselfisanelectronic‐basedunit.Thetwoelectrodesformabasiccapacitor,thousandsoftimeslargerthancapacitorsusedintypicalcircuits,withwateractingasitsdielectric.Theinnerelectrodeisnegativelycharged, and theouterelectrodeispositivelycharged,bythehighfrequencyHyTronicssignal.Chemically,eachwatermolecule(H20)iscomposedoftwopositivelychargedatomsofhydrogen and onenegativelychargedatomofoxygen.Sinceoppositechargesattract,thepositivelychargedhydrogenatomsarepulledtowardtheinnerelectrode.But,atthesameinstant,thenegativelychargedoxygenatomsarepulledtowardtheouterelectrode.Thisactionalignseverywatermoleculebetweentheelectrodes,withtheendsofeachmoleculebeingpulledinoppositedirections.Inanutshell,thisisthehydrolysisprocesscentraltohydrogenextraction.Figure1:Hydrogen/OxygenGenerator22RunaCaronWaterLet’sBuildthewaterhybridsystem!:GeneratorConstructionElectrodesSinceenginerequirementsdictatethevolumeofhydrogen and oxygengasesthatthegeneratormustcreate, andgas volumeisvariable,Irecommendsizingitaslargeasispracticaltoallowreservecapacity.Maximumoutsidediameterof4.5”isalreadydeterminedbytheconstructionmaterialusedfortheGeneratorhousing:4”CPVCSchedule80pipe.Irecommendaminimumheightof10”.Maximumheightdependsuponavailablespacewithintheenginecompartmentbut,forstructuralintegrity,limitheightto18”.Carefullychecktheenginecompartmentofyourvehicletoensurethatadequatespaceexistsforgeneratorinstallation.Ifadequatespacedoesnotexisteitherlimitthegeneratorheight(butnotlessthan10”),orlocatethegeneratorwithinthetrunk,orasfarforwardaspossibleunderthedash.1....
... parts: Chemistryand 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 inFigures 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 from20:3v6, 20:4v6, and 20:5v3, respectively. The structures of the 1-, 2-, and 3-prostaglandins differ∆-6-Desaturase20:4ω318:4ω318:3ω3...
... surrounding land, and that means more money for the local government, which can sellthat land to developers of apartment blocks. But first of all, the city needsto acquire that land and bring ... the stadium. He moved 200 yards away and built a newplace with his own hands amid the leftover bits of farmland where thefarmers struggle to grow corn and beans in earth that has washed downfrom ... manage, and build ports, roads, and railroads.What bank in this day and age can lend so much money to one ofthe world’s riskiest regimes, a nation with two centuries of creditdefaults, and then...
... to NO2 and H2S of gas sensors based on differentlyannealed WO3. Thick-film gas sensors based on differentlyannealed WO3nanopowders (400 and 700 8C) were pre-pared and their gas- sensing ... SpainAbstractStructural and NO2 and H2S gas- sensing properties of nanocrystalline WO3powders are analysed in this work. Sensor response of thick-film gas sensors was studied in dry and humid air. ... temperatures for thedetection 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...
... concentration of NOx gas [6]. However,most reports focused on the NOx gas sensors, and thestudy of sensing to other gases was rare. In this paper,we have investigated the electrical and gas- sensingcharacteristics ... theother hand, the sensitivity of sensor to other gases suchas petrol, butane and methane is very low, though gas concentration is 1000 ppm.Fig. 6 shows the relationship between sensitivity and sample ... a-Fe2O3 and so on. Thesecandidates have non-stoichiometrics structures, so freeelectrons originating from oxygen vacancies contributeto electronic conductivity [1]. The demands for accurateand...
... theeffective gas diffusion (Fig. 5). The gas response was improved fur-Fig. 7. Dynamic sensing transients of (a) R30-RH and (b) R30 sensors and (c) gas responses (Rg/Ra) of R30-RH and R30 sensors ... of those ofthe other gases. These results demonstrated the high gas response and selective detection of WO3nano-porous microspheres to NO2.The selective detection andgas responses were enhanced ... reported higher gas responses.The higher gas response of the R30 microspheres than thoseof the R5 and R05 powders was attributed to the higher surfacearea for gas sensing reaction and the large...
... functionalmaterials, materials chemistry in energy storage and conversion, and developmentof chemical and biological sensors.D. Wexler received his PhD degree in Materials Science and Engineering in 1991from ... nanorod arrays and commercial WO3powders.(b) Sensing responses vs. gas concentrations of various gases, including 1-butanol,acetone, toluene, 2-propanol, acetic acid, ethanol, gasoline, and heptane.Sensors ... ina test gas could be measured. The gas sensing response is definedas the ratio of the stationary electrical resistance of the sensor inair (Rair) to the resistance in the test gas (R gas ),...