helium的精选

用“helium balloon”造句大全，helium balloon造句

2017-08-04

YoutieaheliumballoontoyourheadandhopeitACTSlikeamanashield.Experimentwithaheliumballoon,ahotairballoon,orarigidspherefilledwithdifferentgases.Discoverwhatmakessomeballoonsfloatandotherssink.Healsoinve...

用“helium leak”造句大全，helium leak造句

2021-12-11

ExaminationforheliumleakdetectingIfappropriateheliumleaktestplanisselected,itwillbeofbenefittoimprovingdetectabilityandeffectivelysecuretitaniumvesselsafetyandreliability.Applicationofheliumleakage-de...

用“helium ion”造句大全，helium ion造句

2017-07-29

VenusExpresshasdetectedoxygen,hydrogenandheliumions-remnantsofearlyoceans-escapingintospace.TheSWEAPsolarwindexperimentwillcounttheelectrons,protonsandheliumionsinthesolarwindandmeasuretheirproperties...

用“helium neon laser”造句大全，helium neon laser造句

2017-05-14

MeasurementmethodsofparameterforheliumneonlaserObjcetive:toprobeintothecurativeeffectofheliumneonlaserandultrashortwaveonremovingmoistralesinchildren'spneumonia.Theseriesandtypespectrumforheliumneonl...

用“helium nucleus”造句大全，helium nucleus造句

2017-09-18

Sowhatisthechargeonaheliumnucleus?Wehaveaheliumnucleusandoneelectron.Solet'staketwocasesofshieldingifwe'retalkingabout,forexample,thehelium,aheliumnucleusoraheliumatom.Standardtheorypredictsthattwon...

用“helium”造句大全，helium造句

2017-04-29

GIANTinflatableheliumballoons.However,thereisaveryattractivereactionbetweendeuteriumandalightisotopeofheliumknownashelium-3.Ifheliumlosesonelectron,whatdowehave?Mostbigballoonsarenowfilledwithhelium.W...

用“helium atom”造句大全，helium atom造句

2017-03-04

Solet'staketwocasesofshieldingifwe'retalkingabout,forexample,thehelium,aheliumnucleusoraheliumatom.Theforcebetweenapairofheliumatomsissoweakthatheliumdoesnotsolidifyatall.Aradioactivetransuranicmeta...

用“helium gas”造句大全，helium gas造句

2017-07-13

highpressureheliumgasscintillationcounterAnebulaaninterstellarcloudofdust,hydrogengas,heliumgasandplasma.Thehelmetismadeofasmall,heliumgascylinderwithspecialmotionsensors.Theplanets'strongforceofgrav...

用“helium balloon”造句大全，helium balloon造句

用“helium leak”造句大全，helium leak造句

用“helium ion”造句大全，helium ion造句

用“helium neon laser”造句大全，helium neon laser造句

用“helium nucleus”造句大全，helium nucleus造句

用“helium”造句大全，helium造句

用“helium atom”造句大全，helium atom造句

用“helium gas”造句大全，helium gas造句

俗成语有哪些

用“寻史”造句大全，寻史造句

用“即白”造句大全，即白造句

全成语有哪些

《别让眼前的坏事赶走未来的好事》经典语录