简介:Sincethe1980s,IhavetrampedthemountainsandriversofnearlyalltheTibetan-inhabitedareas.WhattouchesmedeeplyisthatwhereverIwent,Iwouldfindholymountains,holyriversandholylakes.Invisibledeitiescanbefoundeverywhereatanytime.Likeman,theyarehierarchical.Smallholymountainsservelargeholymountainsandperformdutiesforthem.Thefourlargestholymountainsare:MagyiabenriMountainintheeast,
简介:Afewhours'drivetookmetoaplacecalledBingzhongluo,thelargestpieceofflatlandinthecanyon,wheretheNujiangRivertakestwoabruptturns,formingthefirstbendontheNujiangRiver,whichisabestknownscenicspotinChina.Atthesideoftheriverthereisatabletofpurewhitemarbleinscribedwithwordspaintedinbrightred,reading:“Bingzhongluo,theShangri-La.”
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简介:<正>Monsieurleprésident,MessieurlesDirecteurs,Mesdames,Messieurs,ChersAmis,L′AmbassadeurdeFranceayantétéappelépourconsultationparM.RolandDUMAS,MinistredesRelationsExtérieures,l′honneurm′échoitdelereprésenteràcettecommémorationducinquièmeanniversairedela
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简介:第一堂课是编剧课,教授这课的海无德教授,很巨大、很白、眼睛很小、嘴很阔,他掀开嘴唇,对我们这群新生露齿一笑,仿佛是修炼成人形的大白鲨,在向他的猎物问好。
简介:TheLa3+-loadedadsorbentwaspreparedbythereactionbetweenLa3+andethanolamine-modifiedvegetabletannicextract,totreatF--containingwastewater.TheproblemsofheavycolorcausedbyvegetabletannicextractandofturbiditycausedbyreactionbetweenLa3+andF-weresolved.Whenotherconditionswerenotchanged,pH,temperature,stirringtime,anddosewerechangedrespectivelyandtheadsorbancewastestedrespectively.Theresultsshowthatthisadsorbentpossesseshighsaturatedadsorptivecapacity(18.86mg·g-1)whenpHis5~6,T≤80℃,0.2gdosage,and180minagitatingtime,andtheadsorbancereachesthehighest(98.5%).Theadsorbentcanbeeasilyregeneratedwith0.5mol·L-1NaOHatpH12.
简介:Inthispaper,MPt/C(M=La,Nd)catalystsofPEMFCweresynthesizedbymicrowaveradiationprocess.ThecrystallinityandstructureofcatalystswererespectivelyanalyzedbyXRDandnitrogenadsorptiontests.Theactivityofcatalystswasinvestigatedbyelectrochemistryexperiment.Theresultsshowedthat:1)comparedwithPt/Ccatalystpreparedbytypicalimpregnation-reductionprocess,thesizeofMPt/CcatalystparticledecreasedandtheavailablecrystalforO2reductionincreased;2)theMPt/CcatalystshadrelativelyhighBETsurfaceareas;and3)thesecrystaltransformationsoftheMPt/Ccatalystbroughthightheelectrocatalyticactivity,andasaresult,improvedthepowerofPEMFC.