-
发表于:2019-11-04
问题详情:如图所示,物体重180N,动滑轮重ION.小明用100N的拉力(方向不变)将物体匀速提升2m,用了l0s,则此过程中有用功是 ▲ J,额外功是 ▲ J,拉力的功率是 ▲ W,滑轮组的机械效率是 ...
-
发表于:2020-03-12
TheionacousticwaveisgreatlyaffectedbynonlinearLandaudamping.Inchaptertwo,the(3+1)dimensionalweaklynonlinearionacousticwaveathigherordertransverseperturbationsinplasmawasd...
-
发表于:2017-04-14
StudyofmagnesiumionextractionfromphosphoricacidbyDNNSAreversemicelleWhattheyfoundwasamixtureofproteins,somepositivelychargedandsomenegativelycharged,andalotofcalciumandma...
-
发表于:2022-04-16
Traditionalfuelcellsworkbyusingacatalyticmaterialtooxidiseafuel,suchashydrogen,turningitintoapositivelychargedionandanegativeelectron.Thetheoryisthatwhenamuonencountersag...
-
发表于:2018-12-06
Cationicsurfaceactiveagents(hydrochloridesandhydrobromides)-Determinationofcriticalmicellizationconcentration-MethodbymeasurementofcounterionactivityTheresultsshowedthata...
-
发表于:2022-03-08
Thepowerofthegroupliesinapieceofsoftwarecalleda“low-orbitioncannon”.TheImperial-classStarDestroyerbristleswith60turbolaserbatteries,60ioncannonbatteries,and10tractorbea...
-
发表于:2018-09-24
strongacidcross-linkedion-exchangeresinwasprepared.Differentcontentofsilverionwasexchangedintotheresintoadsorbtheiodineionintheaceticacid.Themultiplestandardadditionmetho...
-
发表于:2017-07-29
VenusExpresshasdetectedoxygen,hydrogenandheliumions-remnantsofearlyoceans-escapingintospace.TheSWEAPsolarwindexperimentwillcounttheelectrons,protonsandheliumionsinthesola...
-
发表于:2018-07-02
TheFocusreliesonalithiumionbatterypacktosilentlyconveyyouupto100miles.G.M.inparticularisinvolvedinthedevelopmentoflithiumionbatteriestopowerthenextgenerationofcars.Electr...
-
发表于:2018-02-16
Hereisaniongas.Wecoulduseargonion.Inthiscase,theionispotassium.Theexperimentinvolvedirregularionmovementtheoryandisotopetheory.Itallowsforpluralityofbondsfromanyion.Butno...
-
发表于:2018-10-27
Influencingfactorsofcalciumionchelatingpowerofsodiumtripolyphosphate3.5Reducecalciumionbelow100ppmbyaddingSodaAsh.Changesincalciumionchannelofhumanperiodontalfibroblastsu...
-
发表于:2016-12-15
Studyofthecrackgroutingdiffusionradius.Nobodyisallowedtoentertheoperationradius.Britishtruckshaveasmallcamodetectionradius.Predictionmodelforinvasionradiusofsolidsandfilt...
-
发表于:2018-11-07
aninorganiccompoundcontainingthedivalention-O-O-.Thedoseofanti-acid-alkalidivalentionsinanywaterdoesnotprecipitate....
-
发表于:2024-01-03
1、AserviceablemethodofdeterminingmulberryleaffluoridewithaFluorineioncounterwasstudied,twosamplepreparedmethodstodetermineinfluenceofresultwasprobed.2、spiral-woundfissi...
-
发表于:2021-12-02
recombinationofgaseousionsThispushesmoleculesoffthesamplesurfaceasgaseousions,whichcanbedetectedandidentifiedbythemassspectrometer.Massspectrometry:Analytictechniquebywhi...
-
发表于:2018-10-24
RemovalofcadmiumionsfromlowconcentrationwastewatercontainingcadmiumbymodifiedstarchEstablishmentofcompetitiveenzyme-linkedimmunoassayforcadmiumionsdetectionbyusingtheMcAb...
-
发表于:2024-01-07
1、reactiveionbeametching(RIBE)2、Itcanbeusedforsingleionimplantation,ionbeammixing,singleionorreactiveionbeamsputter-depositionandionbeamenhanceddeposition....
-
发表于:2019-01-28
Amongthem,therearealkalinezincmanganesebatteries,lithiumbatteries,smallrechargeablecadmiumnickelbatteries,hydrogennickelbatteriesandlithiumionbatteries.Modificationoflith...
-
发表于:2021-03-24
问题详情:----Wouldyoulikesomejuice,milkortea? ---- .Ionlylikesomewater. her 【回答】A知识点:不定代词题型:选择...
-
发表于:2017-08-25
InorganiccompositemembraneastheseparatoroflithiumionbatteryHighdensitylithiumionbatterycapacityisgreater.Thedevelopmentoflithiummanganeseoxidesusedasthecathodeoflithiumio...
-
发表于:2018-04-11
Effectofimpurityionsonelectrochemicalsuper-capacitivepropertiesofamorphoushydratedrutheniumoxideThecoprecipitationbehaviorandtheeffectsofimpurityionsonthecrystallizationp...
-
发表于:2017-12-16
hollowcathodealuminumionlaserBecausealuminumionshavechargeofplusthreeandoxygenionshavechargeofminustwo....
-
发表于:2016-11-19
Ifonesodiumionisejectedfromthecellinexchangeforoneexternalpotassiumion,thepumpiselectroneutral.So,forexample,ifIhaveasodiumionoverhere,andIhaveachlorideionoverhere,wheret...
-
发表于:2017-01-29
Inaddition,theoxidationofKIO3,theenhancementofammoniumion,thefunctionofmercuryelectrodeandtheinfluenceofcystineconcentrationwerediscussed.Hydroxylammoniumionicliquids:syn...
-
发表于:2018-11-24
Anegativelychargedion,especiallytheionthatmigratestoananodeinelectrolysis.Thisfieldtendstomakenegativelychargedions,suchasthoseofCO2,driftupward.Bypumpingpositivelycharge...