生物醫(yī)學(xué)工程中英文對(duì)照外文翻譯文獻(xiàn)

生物醫(yī)學(xué)工程中英文對(duì)照外文翻譯文獻(xiàn)(文檔含英文原文和中文翻譯)中英文對(duì)照外文翻譯文獻(xiàn)BiologicaleffectsoftheMagneticStimulationontheToadHeartAbstract-Westimulatedtheexposedtoadheartbyalowfrequencyandhighenergymagnetic.Byanalyzethedataofthisexperiment,itshowsthatthepulsatingoftheweaktoadheartwouldmakechangeafterstimulatedbymagnetic.Weakheartbeatstrengthened,thesinglepeakcurvewouldbecomethetwopeakscurvewithatriawaveandventriclewaveafterthemagneticstimulation.Butthecyclingofrhythmicpulsatilecurveoftoaddoesn'tchange.I.INTRODUTIONAlllifeformshavemagnetism.Allkindsofmagneticfieldwouldhavesomeeffectsontheconfigurationandactivitiesoflifeformsthatwhicheverenvironmentalmagnetic,additionalmagneticorinsidemagneticoforganism.Thebiologiceffectsarerelatedtothecharacteristicsand附錄Ⅳ英文文獻(xiàn)及翻譯theintensionofthemagneticfield,aswellasthespeciesandthetissuesofthelifeforms.Theexperimentationshowedthatmagnetismstimulationinsomerangewouldcontrolthegrowthofrattumour,whatevertheyareinoroutthebody.Muchmoretheycaninducethecancercellsdead.30mTmagneticstimulationwouldincreasethecontentofNOintheliverandthekidney.Magneticalsocanimprovetheactivityofsomeenzymeandpromotetheregenerationofnervetissue.Cellwouldincrease,theboneswouldbeconcrescence,thescarwouldberehabilitate.Thebloodrheologyandbloodcellnumberbothofhumanandratwouldchangeobviously,DIthebloodmucositywouldbelow.Heartisthemostimportantapparatusoflife.Itpulsatesdayandnight.Heartoncestoppulsating,thelifefordanger.Numerousscholarpaysattentiontotheroleofmagneticfield.Buttheyjuststudiedtheeffectsofmagneticstimulationoftheheartpacemaker.Theexperimentsaboutdirecteffectsofstimulateheartbymagneticisveryfew.Thetoadsareourexperimentanimals.Westimulatedandnotedbythemagneticstimulationequipmentandthenotedequipmentofpulsatilecurvemadebyourselves.Analyzetheresults.II.STUFFA.Experimentequipments:①magneticstimulationequipment;(magneticintension8-10T,impulsewidth150ms,maximalstimulationfrequency5Hz);②softwareofnotedpulsatilecurve(madebyourselves);③cardiomusculartransducer;④Ringer.Sol;⑤Batrachiainstruments;⑥clipoffrogheart;⑦cottonthread;?burette.B.Experimentanimals:toads.III.METHODA.Destroythebrainandthespinalcordofthetoadbystylet:Penetrateintotheoccipitalapertureuprightwithstylet,destroyedthebrainupwards,takebackthestyletanddestroythespinaldownwards.Ifthelimboftoadwererelaxed,itshowedthatthebrainandspinalweredestroyedcompletely.B.Exposethetoadheart:Makethetoadlyingonitsbackonthewindingcenter.Themagneticaspectisuprightthroughthetoadheart.Cuttheventralskinoftoad,snipthebreastbone,exposetheratheart.Nipthehearttipbyclipcarefully.Makethecottonthreadtiedwiththeclipoffroghearthelinkedwiththecardiomusculartransducer.Donotmakethetoadheartleavethorax,oritwoulddisturbtheexperimentresults.C.Notedtheresult:Connectthecardiomusculartransducerwiththecomputer.TakenotesthecurveoftoadheartwithoutgivingthestimulateofmagneticfieldD.Afterthreeminutes,notedtheweakpulsatilecurve.E.Makethemagneticintension10T,electricize10s.Stimulatethetoadheartandrecordthepulsatilecurve.IV.RESULTSTheabscissaofcardiacrhythmicpulsatilecurveistime,theordinateisconstrictionpower.Takenotesforthepulsatilecurveoftoadheartthatexposedjust.Wecanknowtherhythmicpulsatilecycleofthetoadheartis1.5sfromfig1whichshowthecardiacrhythmicpulsatilecurveofthetoadwhichwasexposedtheheartjustnow.Therearetwowavesineachcycle,oneisatriawave,theotherisventriclewave.Theatriawaveis0.5sandtheventriclewaveis1.0s.Theconstrictionpowerofatriaislessthanthatofventricle.Theamplitudeofconstrictionpowerofventricleisthe2timesoftheatria.Fig.4.1.Itisrhythmicpulsatilecurveofthetoadwithoutmagneticstimulation.Theconstrictionpoweroftoadheartwouldbecomeweakerafterthetoadheartwasexposedforawhile.Atthesametime,atriumwaveandventriclewavecannotbealreadydistinguished.Heartcontractingamplitudewerereducedobviously,donotgotothehalfoforiginalatriumwave.Therhythmicpulsatilecycleofthetoadheartisstill1.5s.Fig.4.2.Itistheweakpulsatilecurveoftoadwithoutmagneticstimulation.Butwecandistinguishtheatriawaveandtheventriclewaveagainaftergivingthetoadheartamagneticstimulationonfollowingpicture.Andtheamplitudeofventriclewavesismorethanthatofthesinglewave.Therhythmicpulsatilecycleofthetoadheartisstill1.5s.Thereweresixtoadsasexperimentanimalinourexperiment.Afterexposingheartatime,therhythmicpulsatilecurveallbecamesinglepeakcurve.Stimulatethemwhenthesingleamplitudewas0.95.Notedthedataandanalyzethem.Followingisthepulsatilecurveofthesixtoadsrecordedwhichwerestimulatedbymagneticfield.Fig.4.3.Itisthepulsatilecurveofthefisttoadwhichheartwasstimulatedbymagneticfield.Fig.4.4.Itisthepulsatilecurveofthesecondtoadwhichheartwasstimulatedbymagneticfield.Fig.4.5.Itisthepulsatilecurveofthethirdtoadwhichheartwasstimulatedbymagneticfield.Fig.4.6.Itisthepulsatilecurveofthefourthtoadwhichheartwasstimulatedbymagneticfield.Fig.4.7.Itisthepulsatilecurveofthefifthtoadwhichheartwasstimulatedbymagneticfield.Fig.4.8.Itisthepulsatilecurveofthesixtoadswhichheartwasstimulatedbymagneticfield.V.COMPARISIIONRecordventriclewaveamplitudeandatriumwaveamplitudeofthesixtoadsaftermagneticstimulation.Table.5.1.From"Toad1"to"Toad6"expressedthesixtoadswhichwasstimulatedbymagneticfield.The"Toad0"expressedthetoadwhichwasnotstimulatedbymagneticfield."Toad7"expressedthetoadwhichpulsatedweakly.amplitudesofatriawaveamplitudesofventriclewaveToad02.2752.34Toad11.1401.170Toad21.1201.129Toad31.1651.18Toad41.1201.128Toad51.2141.230Toad61.1511.169Toad70.95Expressthetoadwhichwasnotstimulatedbymagneticwith"Toad0",andexpressthetoadwhichpulsateweaklywith"Toad7".Makehistogramtocontrastbythesedata.Thefirsthistogramwasmadebythedataofthepulsatileamplitudesofwhentoadwasnotgetsstimulateandpulsateweakly,aswellasthepulsatileamplitudeofthefiststimulatedtoad.Aftermagneticstimulation,amplitudesofatriawaveandventriclewavewerehigherthansinglewaveofweakheart.Butitismorelowthantheamplitudesofheartwhenjustexposesobviously.Fig.5.1.Thehistogramwasmakebytheamplitudesofthetoadexposedheartjustlyandthetoadwhichstimulatedbymagneticfield,thetoadwhichpulsateweakly.The"Toad0"expressedthetoadwhichwasnotstimulatedbymagneticfield.The"Toad1"expressedthefisttoadwhichwasstimulatedbymagneticfield.The"Toad7"expressedthetoadwhichpulsatedweakly.Makehistogramrespectivelywiththedataofamplitudeofeachtoadstimulatedbymagneticfieldandtheamplitudeofsinglewave.Makehistogramwiththedataofamplitudesofsixtoadsstimulatedbymagneticfield,andcomparethem.Fig.5.2.Thehistogramwasmadebytheamplitudesofthefirsttoadwhichwasstimulatedbymagneticfieldandthetoadwhichpulsateweakly.The"Toad1"expressedthefisttoadwhichwasstimulatedbymagneticfield.The"Toad7"expressedthetoadwhichpulsatedweakly.Fig.5.3.ThehistogramwasmadebytheamplitudesofthesecondtoadwhichwasstimulatedbymagneticfieldandthetoadwhichpulsateweaklyThe"Toad2"expressedthesecondtoadwhichwasstimulatedbymagneticfield.The"Toad7"expressedthetoadwhichpulsatedweakly.Fig.5.4.Thehistogramwasmadebytheamplitudesofthethirdtoadwhichwasstimulatedbymagneticfieldandthetoadwhichpulsateweakly.The"Toad3"expressedthethirdtoadwhichwasstimulatedbymagneticfield.The"Toad7"expressedthetoadwhichpulsatedweakly.Fig.5.5.Thehistogramwasmadebytheamplitudesofthefourthtoadwhichwasstimulatedbymagneticfieldandthetoadwhichpulsateweakly.The"Toad4"expressedthefourthtoadwhichwasstimulatedbymagneticfield.The"Toad7"expressedthetoadwhichpulsatedweakly.Fig.5.6.Thehistogramwasmadebytheamplitudesofthefifthtoadwhichwasstimulatedbymagneticfieldandthetoadwhichpulsateweakly.The"Toad5"expressedthefifthtoadwhichwasstimulatedbymagneticfield.The"Toad7"expressedthetoadwhichpulsatedweakly.Fig.5.7.Thehistogramwasmadebytheamplitudesofthewasstimulatedbymagneticfieldandthetoadwhichpuls,"Toad6"expressedthesixthtoadwhichwasstimulatedbyma"Toad7"expressedthetoadwhichpulsatedweakly.Fig.5.8.Thehistogramwasmadebytheamplitudesofthewasstimulatedbymagneticfield.Fig.5.9.Thehistogramwasmadebytheamplitudesofthewasstimulatedbymagneticfieldandthetoadwhichpulsateweakly.Thereisdiscrepancybetweenthepulsatileaeachtoadwhichstimulatedbymagneticfield.Thisisdividualdiscrepancy,itisrelatedwiththestrongoftheexperimentanimals.Butifcomparedthesepulsatileamplitudesoftoadswhichstimulatedbymagneticfieldwithamplitudeofthetoadwhichpulsatedweaklyatthesametimeofdiscrepancyisverynotobvious.VI.CONCLUSIONSThereareaPwaveandaQRSwanelectrocardiogram.ComparethepulsatilecurvewiththeelectrocardiogramtowecandiscoverthatthePwavethatexpressatriumconstrictionisearlierthanatriawave.theORSwavethatexpressventricleconstrictionisearlierthanventricleconstrictionisearlierthanventriclewave.Heartconstrictionconnectedcloselywiththechangeofbiologicalelectricityofcardiacmuscle.Beforeheartcontracts,mustoccuronmusclecellmembraneamovementpotentialthatcanbeconducted,passthroughthenexcited-contractunitecanjustarousemusclecellcontracttorespond.ThePwaveandQRSwaveofelectrocardiogramreflectatriumandventriclerespectivelywiththeelectricalchangeinpolarizationcourse.Atriumwaveandventriclewavereflectatriumandventriclerespectivelythemechanicalcampaign.Mechanicalcampaignisonlyinitiatedfromelectricalcampaign.SoPwaveisearlierthanatriumwave,QRSwaveareearlierthanventriclesixthtoadwhichwave.Whenthepulsatilerhythmicallyofheartstoppedorindisorder.theelectricattackwouldbehelpfulonclinicdata.Themagnetismstimulationmayhavethesameeffectsastheelectricstimulationbasedonelectromagnetism.Thepulsatilecurveoftoadwhichjustexposedheartcandivideintoatriumwaveandventriclewave.Afteratime,heartisweakgradually,rightnow,heartcontractsintensityweakensobviously.AtriumwavecannotalreadydistinguishwithventriclewaveonthecurvesoftoadweakpulsatilecurveOriginaltwosummitcurveschangetosinglesummitcurve,andcontractrangereducesobviously.Donotgotothehalfoforiginalatriumwave.Butheartpulsatileperiodstillask1second.Stimulatetoadheart,thedirectionofmagneticfieldverticalcrosstoadheartcenterfromthebacktobelly.TakeToad6notesatonce,thepulsatilecurveoftoadrecoverybecameoriginaltwosummitcurves.Andtheamplitudeofventriclesixtoadswhichwaveworththansinglewaveisinheightof.Testedresultprovesthatthemagneticstimulationofhighenergycanpromotetoadheartstrengthobviously,butforthepulsatilecurveperioddoesnotbeactedonobviously.Canmakethecurveofpulsatilecurvealreadycannotbedistrictedtheatriumwaveandventricleoftheweakheartrecoverythatatriumconstrictionwithventricleconstrictionalternately.Thecellofcardiacmusclehasspecialelectricalphysiology.Electricalstimulatecanaffecttheelectricalphysiologymovingofheartobviously.Magneticfieldandelectricfieldhavethecharacteristicthatchangesmutually.Theroleofextramagneticfieldcanalsoarousetheioncurrentintheorganismtoad7cellofcardiacmuscletooccurchange.Therefore,itchangestheelectricalphysiologicalcampaignofthecellofcardiacmuscle,changeheartcontractcondition.Comparedwithdirectelectricalstimulation,themagneticstimulationhasalotofadvantages.Itshowsbyclinicalinformation,eliminate