吐鲁番市领导调研“组团式”教育、医疗援疆工作

76artilleryshellsleftbyJapaneseinvadersfoundinChinasInnerMongolia()HOHHOT,(Xinhua)--Atotalof76artilleryshellsbelievedtobediscardedbyJapanesetroopsduringWorldWarIIhavebeenfoundinnorthChina,butthereisstillapossibilityofdetonation,accordingtotheHingganbord,,,theHingganLeaguezo,thetroopsburiedalargequantityofammunitioninChineseterritory,posingathreattolocalpeople,theHingganbordercontrolbranchhascollected123shellsandgrenadesdiscardedbytheJapaneseinvaders.(Webeditor:ShiXi,LiangJun)金沙城中心酒店

LiXianhua,anacademicianwithChineseAcademyofSciences(CAS)wholedtheresearchteam,introducesananalysisofmoonrocksbroughtbacktoEarthbyChinasChange-5missionduringapressconferenceheldatInstituteofGeologyandGeophysicsoftheChineseAcademyofSciencesinBeijing,capitalofChina,,nge-5missionanddatedtheyoungestrockontheMoonataround2billionyearsinage,extendingthe"life",conductedmainlybyaresearchteamattheInstituteofGeologyandGeophysics(IGG),ChineseAcademyofSciences(CAS),waspresentedinthreeNaturepapersandpublishedonlineTuesday.(Xinhua/JinLiwang)BEIJING,(Xinhua)--ChineseresearchershavestudiedthelunarsamplesbroughtbackbytheChange-5missionanddatedtheyoungestrockontheMoonataround2billionyearsinage,extendingthe"life",conductedmainlybyaresearchteamattheInstituteofGeologyandGeophysics(IGG),ChineseAcademyofSciences(CAS),,ChinasChange-5missionretrievedsamplesfromtheMoonweighingabout1,731grams,whichwerethefirstlunarsamplesintheworldinover40years."TheChange-5missionwasasuccessandthelunarsamplesbroughtbackshednewlightontheevolutionoftheMoon,"saidLiXianhua,"ThemagmaoftheMoonhassolidified,andtheMoonsvolcanicactivitystopped,itemergedasoneofthemajorissuesinitsevolutionaryhistory,"saidLiQiuli,,moresamplesareneededandoneoftheChange-5tasksistoexploretheyoungestmagmaticactivityoftheMoon."ThedimplysurfaceweseewhenwelookupattheMoonthroughatelescopeisdue,andregionswithyoungerrockshavefewercraters,",researchersinferredthattheOceanusProcellarum,thelandingsiteoftheChange-5mission,wasmostlikelytohavebeenwitnesstooneoftheMoon,,researchersmanuallypickedoutrockfragmentsfromtheir3-gramlunarsamples,elunarsamplesretrievedbyChina,andhascontinuouslydevelopedtheionprobetechnologyinthepastdecade,reachinganinternationallyacclaimedlevelofexpertise."Ourp,wecouldn,"saidLiQiuli,,theteamanalyzed47differentrockfragmentsext",theoretically,atleast,oonsolate,",anacronymbuiltfromthelettersK(forpotassium),REE(forrare-earthelements)andP(forphosphorus),whichisadistinctivegeochemicalcomponentofsomelunarrocks."Awidelyacceptedhypothesisisthatradioactiveelements(U,ThandK),ThandK,itisthereforethoughttoberesponsiblefortheyoungvolcanicactivity,"saidYangWei,aresearcherwithIGG."IsotopesareaneffectivewaytoidentifytheKREEPcomponentastheyareliketheDNAofarockandwillnotchangethroughthemagmaticevolution,",thedifficultyliesinthesmallsizeofthebasaltclastsintheChange-5basalt."ItslikeDNAtesting,whichrequiresalargetubeofblood,butwecanonlyuseonedrop,"seffortsoveradecade,astate-of-the-artmethodforanalyzingsamplesunderhighmagnificationhasbeendeveloped,allowingresearcherse-5basalt,theyoungestbasaltdatedontheMoonsofar,originate,itisunlikelythattheKREEPcomponentsintchalateageisthatthemantlesourcemighthavecontainedwatertoreduceitsmeltingpoint,saidscientists."Thewatercontentofthelunarmantleisakeyquestionforlunarexplora,sincewatercansignificantlydecreasethemeltingtemperatureofrocks,understandingitsabundanceisimportantforunderstandingthehistoryoflunarvolcanism,"saidLinYangting,ldbemainlyattritheimpactofasteroidsandparticlesfromthesun."ThesamplesretrievedbyChang,thesamples,therefore,provideagoodopportunitytoaddressthequestionofwhetherthemantlereservoirat2billionyearswaswetordry,"ketsofmeltpreservedinsomemineralsaswellasthemineralapatite,whichcancontainwater,fromChange-5basalts."Weusedanano-scaleionprobecalledthenanoSIMS,asecond(deuterium[D]andhydrogen[H])canserveasafingerprinttotracethereservoirsofwaterandthemagmaticprocessesinvolved,"e-5basaltswasdrierthantheestimatedwatercontentbasedontheApollosamplesandlunarmeteorites,whichrulesoutthepossibilitythathighwaterconte"Ourdiscoveriesraisenewquestionsforthefutureoflunarexplorationandscientistsneedtofurtherexploretheformationmechanismofthelunarmagma,"saidLiXianhua.(Webeditor:XiaPeiyao,LiangJun)、金沙7817存款77送77　　“东方明珠230空中酒店”是东方明珠与“周末酒店”合作的一款“明星”产品，作为上海的地标，东方明珠酒店“悬浮”于230米高空，霸气地独占明珠塔上的一整颗球，酒店仅一套房，但上下四层空间的面积近30平方米，官方售价一晚万元，而从“周末酒店”预定，在特定限时促销时则不足万元。。

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