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發表於:2017-07-13
highpressureheliumgasscintillationcounterAnebulaaninterstellarcloudofdust,hydrogengas,heliumgasandplasma.Thehelmetismadeofasmall,heliumgascylinderwithspecialmotionsensors...
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發表於:2017-07-29
VenusExpresshasdetectedoxygen,hydrogenandheliumions-remnantsofearlyoceans-escapingintospace.TheSWEAPsolarwindexperimentwillcounttheelectrons,protonsandheliumionsinthesola...
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發表於:2017-05-14
MeasurementmethodsofparameterforheliumneonlaserObjcetive:toprobeintothecurativeeffectofheliumneonlaserandultrashortwaveonremovingmoistralesinchildren'spneumonia.Theserie...
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發表於:2021-12-11
ExaminationforheliumleakdetectingIfappropriateheliumleaktestplanisselected,itwillbeofbenefittoimprovingdetectabilityandeffectivelysecuretitaniumvesselsafetyandreliability...
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發表於:2017-03-04
Solet'staketwocasesofshieldingifwe'retalkingabout,forexample,thehelium,aheliumnucleusoraheliumatom.Theforcebetweenapairofheliumatomsissoweakthatheliumdoesnotsolidifyata...
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發表於:2017-09-18
Sowhatisthechargeonaheliumnucleus?Wehaveaheliumnucleusandoneelectron.Solet'staketwocasesofshieldingifwe'retalkingabout,forexample,thehelium,aheliumnucleusoraheliumatom....
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發表於:2017-08-04
YoutieaheliumballoontoyourheadandhopeitACTSlikeamanashield.Experimentwithaheliumballoon,ahotairballoon,orarigidspherefilledwithdifferentgases.Discoverwhatmakessomeballoon...
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發表於:2017-04-29
GIANTinflatableheliumballoons.However,thereisaveryattractivereactionbetweendeuteriumandalightisotopeofheliumknownashelium-3.Ifheliumlosesonelectron,whatdowehave?Mostbigba...