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發表於:2019-11-04
問題詳情:如圖所示,物體重180N,動滑輪重ION.小明用100N的拉力(方向不變)將物體勻速提升2m,用了l0s,則此過程中有用功是 ▲ J,額外功是 ▲ J,拉力的功率是 ▲ W,滑輪組的機械效率是 ...
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發表於:2020-03-12
TheionacousticwaveisgreatlyaffectedbynonlinearLandaudamping.Inchaptertwo,the(3+1)dimensionalweaklynonlinearionacousticwaveathigherordertransverseperturbationsinplasmawasd...
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發表於:2021-12-02
recombinationofgaseousionsThispushesmoleculesoffthesamplesurfaceasgaseousions,whichcanbedetectedandidentifiedbythemassspectrometer.Massspectrometry:Analytictechniquebywhi...
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發表於:2022-04-16
Traditionalfuelcellsworkbyusingacatalyticmaterialtooxidiseafuel,suchashydrogen,turningitintoapositivelychargedionandanegativeelectron.Thetheoryisthatwhenamuonencountersag...
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發表於:2018-10-24
RemovalofcadmiumionsfromlowconcentrationwastewatercontainingcadmiumbymodifiedstarchEstablishmentofcompetitiveenzyme-linkedimmunoassayforcadmiumionsdetectionbyusingtheMcAb...
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發表於:2024-01-03
1、AserviceablemethodofdeterminingmulberryleaffluoridewithaFluorineioncounterwasstudied,twosamplepreparedmethodstodetermineinfluenceofresultwasprobed.2、spiral-woundfissi...
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發表於:2017-04-14
StudyofmagnesiumionextractionfromphosphoricacidbyDNNSAreversemicelleWhattheyfoundwasamixtureofproteins,somepositivelychargedandsomenegativelycharged,andalotofcalciumandma...
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發表於:2016-11-19
Ifonesodiumionisejectedfromthecellinexchangeforoneexternalpotassiumion,thepumpiselectroneutral.So,forexample,ifIhaveasodiumionoverhere,andIhaveachlorideionoverhere,wheret...
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發表於:2017-08-25
InorganiccompositemembraneastheseparatoroflithiumionbatteryHighdensitylithiumionbatterycapacityisgreater.Thedevelopmentoflithiummanganeseoxidesusedasthecathodeoflithiumio...
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發表於:2018-02-16
Hereisaniongas.Wecoulduseargonion.Inthiscase,theionispotassium.Theexperimentinvolvedirregularionmovementtheoryandisotopetheory.Itallowsforpluralityofbondsfromanyion.Butno...
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發表於:2017-07-29
VenusExpresshasdetectedoxygen,hydrogenandheliumions-remnantsofearlyoceans-escapingintospace.TheSWEAPsolarwindexperimentwillcounttheelectrons,protonsandheliumionsinthesola...
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發表於:2016-12-15
Studyofthecrackgroutingdiffusionradius.Nobodyisallowedtoentertheoperationradius.Britishtruckshaveasmallcamodetectionradius.Predictionmodelforinvasionradiusofsolidsandfilt...
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發表於:2017-12-16
hollowcathodealuminumionlaserBecausealuminumionshavechargeofplusthreeandoxygenionshavechargeofminustwo....
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發表於:2024-01-07
1、reactiveionbeametching(RIBE)2、Itcanbeusedforsingleionimplantation,ionbeammixing,singleionorreactiveionbeamsputter-depositionandionbeamenhanceddeposition....
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發表於:2018-11-07
aninorganiccompoundcontainingthedivalention-O-O-.Thedoseofanti-acid-alkalidivalentionsinanywaterdoesnotprecipitate....
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發表於:2017-01-29
Inaddition,theoxidationofKIO3,theenhancementofammoniumion,thefunctionofmercuryelectrodeandtheinfluenceofcystineconcentrationwerediscussed.Hydroxylammoniumionicliquids:syn...
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發表於:2018-12-06
Cationicsurfaceactiveagents(hydrochloridesandhydrobromides)-Determinationofcriticalmicellizationconcentration-MethodbymeasurementofcounterionactivityTheresultsshowedthata...
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發表於:2019-01-28
Amongthem,therearealkalinezincmanganesebatteries,lithiumbatteries,smallrechargeablecadmiumnickelbatteries,hydrogennickelbatteriesandlithiumionbatteries.Modificationoflith...
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發表於:2018-10-27
Influencingfactorsofcalciumionchelatingpowerofsodiumtripolyphosphate3.5Reducecalciumionbelow100ppmbyaddingSodaAsh.Changesincalciumionchannelofhumanperiodontalfibroblastsu...
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發表於:2018-11-24
Anegativelychargedion,especiallytheionthatmigratestoananodeinelectrolysis.Thisfieldtendstomakenegativelychargedions,suchasthoseofCO2,driftupward.Bypumpingpositivelycharge...
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發表於:2018-09-24
strongacidcross-linkedion-exchangeresinwasprepared.Differentcontentofsilverionwasexchangedintotheresintoadsorbtheiodineionintheaceticacid.Themultiplestandardadditionmetho...
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發表於:2018-04-11
Effectofimpurityionsonelectrochemicalsuper-capacitivepropertiesofamorphoushydratedrutheniumoxideThecoprecipitationbehaviorandtheeffectsofimpurityionsonthecrystallizationp...
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發表於:2022-03-08
Thepowerofthegroupliesinapieceofsoftwarecalleda“low-orbitioncannon”.TheImperial-classStarDestroyerbristleswith60turbolaserbatteries,60ioncannonbatteries,and10tractorbea...
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發表於:2021-03-24
問題詳情:----Wouldyoulikesomejuice,milkortea? ---- .Ionlylikesomewater. her 【回答】A知識點:不定代詞題型:選擇...
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發表於:2018-07-02
TheFocusreliesonalithiumionbatterypacktosilentlyconveyyouupto100miles.G.M.inparticularisinvolvedinthedevelopmentoflithiumionbatteriestopowerthenextgenerationofcars.Electr...