生物医学工程中英文对照外文翻译文献文档格式.docx

生物医学工程中英文对照外文翻译文献文档格式.docx

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I.INTRODUTION

Alllifeformshavemagnetism.Allkindsofmagneticfieldwouldhavesomeeffectsontheconfigurationandactivitiesoflifeformsthatwhicheverenvironmentalmagnetic,additionalmagneticorinsidemagneticoforganism.Thebiologiceffectsarerelatedtothecharacteristicsand

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附录Ⅳ英文文献及翻译

theintensionofthemagneticfield,aswellasthespeciesandthetissuesofthelifeforms.

Theexperimentationshowedthatmagnetismstimulationinsomerangewouldcontrolthegrowthofrattumour,whatevertheyareinoroutthe.bMoudcyhmoretheycaninducethecancercellsdead.30mTmagneticstimulationwouldincreasethecontentofNOintheliverandthekidney.Magneticalsocanimprovetheactivityofsomeenzymeandpromotetheregenerationofnervetissue.Cellwouldincrease,theboneswouldbeconcrescence,thescarwouldberehabilitate.Thebloodrheologyandbloodcellnumberbothofhumanandratwouldchangeobviously,DIthebloodmucositywouldbelow.

Heartisthemostimportantapparatusoflife.Itpulsatesdayandnight.Heartoncestop

pulsating,thelifefordanger.Numerousscholarpaysattentiontotheroleofmagneticfield.Buttheyjuststudiedtheeffectsofmagneticstimulationoftheheartpacemaker.Theexperimentsaboutdirecteffectsofstimulateheartbymagneticisveryfew.

Thetoadsareourexperimentanimalse.Wstimulatedandnotedbythemagneticstimulationequipmentandthenotedequipmentofpulsatilecurvemadebyourselves.Analyzetheresults.

II.STUFF

A.Experimentequipments①:

magneticstimulationequipment;

（magneticintension8-10T,impulsewidth150ms,maximalstimulationfrequency②5Hsozf）t;

wareofnotedpulsatilecurve（madebyourselves③）;

cardiomusculartransduc④er;

Ringer.Sol⑤;

Batrachiainstruments⑥;

clipoffrogheart;

⑦cottonthread;

®

burette.

B.Experimentanimals:

toads.

III.METHOD

A.Destroythebrainandthespinalcordofthetoadbystylet:

Penetrateintotheoccipital

apertureuprightwithstylet,destroyedthebrainupwards,takebackthestyletanddestroythespinaldownwards.Ifthelimboftoadwererelaxed,itshowedthatthebrainandspinalweredestroyedcompletel.y

B.Exposethetoadheart:

Makethetoadlyingonitsbackonthewindingcenter.Themagneticaspectisuprightthroughthetoadheart.Cuttheventralskinoftoad,snipthebreastbone,exposetheratheart.Nipthehearttipbyclipcare.fMulalykethecottonthreadtiedwiththeclipoffroghearthelinkedwiththecardiomusculartransducer.Donotmakethetoadheartleavethorax,oritwoulddisturbtheexperimentresults.

C.Notedtheresult:

Connectthecardiomusculartransducerwiththecomputer.Takenotesthecurveoftoadheartwithoutgivingthestimulateofmagneticfield

D.Afterthreeminutes,notedtheweakpulsatilecurve.

E.Makethemagneticintension1,0eTlectricize10s.Stimulatethetoadheartandrecordthepulsatilecurve.

IV.RESULTS

Theabscissaofcardiacrhythmicpulsatilecurveistime,theordinateisconstrictionpower.

Takenotesforthepulsatilecurveoftoadheartthatexposedjust.Wecanknowtherhythmic

pulsatilecycleofthetoadheartis1.5sfromfig1whichshowthecardiacrhythmicpulsatilecurveofthetoadwhichwasexposedtheheartjustnow.Therearetwowavesineachcycle,oneisatriawave,theotherisventriclewave.Theatriawaveis0.5sandtheventriclewaveis1.0s.Theconstrictionpowerofatriaislessthanthatofventricle.Theamplitudeofconstrictionpowerofventricleisthe2timesoftheatria.

Fig.4.1.Itisrhythmicpulsatilecurveofthetoadwithoutmagneticstimulation.

Theconstrictionpoweroftoadheartwouldbecomeweakerafterthetoadheartwasexposedforawhile.Atthesametime,atriumwaveandventriclewavecannotbealreadydistinguished.Heartcontractingamplitudewerereducedobvi,oduoslnyotgotothehalfoforiginalatriumwave.

Therhythmicpulsatilecycleofthetoadheartisstill1.5s.

Fig.4.2.Itistheweakpulsatilecurveoftoadwithoutmagneticstimulation.

Butwecandistinguishtheatriawaveandtheventriclewaveagainaftergivingthetoadheartamagneticstimulationonfollowingpicture.Andtheamplitudeofventriclewavesismorethanthatofthesinglewave.Therhythmicpulsatilecycleofthetoadheartisstill1.5s.

Thereweresixtoadsas