简介：Lastsummer,thefirstTibetanoil-paintingexhibitioninBeijing,titled"CharmingTibet",washeldinJiuxianqiaoPingZhongCulturalCenterofBeijingandproducedadeepimpressiononaudiences.InparticularthepaintingsofTseringDorjifeaturehisuseofperspectiveandhisstrikingpaintingtechnique.Theyincludewonderfulpicturesofthehighland

简介：Itisbelievedthathumanancestorsevolvedtheabilitytorunbipedallyapproximately2millionyearsago.Thisformoflocomotionmayhavebeenimportanttooursurvivalandlikelyhasinfluencedtheevolutionofourbodyform.Asourbodieshaveadaptedtorun,itseemsunusualthatupto79%ofmoderndayrunnersareinjuredannually.Theetiologyoftheseinjuriesisclearlymultifactorial.However,1aspectofrunningthathassignificantlychangedoverthepast50yearsisthefootwearweuse.Modernrunningshoeshavebecomeincreasinglycushionedandsupportive,andhavechangedthewaywerun.Inparticular,theyhavealteredourfootstrikepatternfromapredominantlyforefootstrike(FFS)landingtoapredominantlyrearfootstrike(RFS)landing.Thischangealtersthewayinwhichthebodyisloadedandmaybecontributingtothehighrateofinjuriesrunnersexperiencewhileengagedinanactivityforwhichtheywereadapted.Inthispaper,wewillexaminethebenefitsofbarefootrunning(typicallyanFFSpattern),andcomparethelowerextremitymechanicsbetweenFFSandRFS.Theimplicationsofthesemechanicaldifferences,intermsofinjury,willbediscussed.WewillthenprovideevidencetosupportourcontentionthatFFSprovidesanoptimalmechanicalenvironmentforspecificfootandanklestructures,suchastheheelpad,theplantarfascia,andtheAchillestendon.Theimportanceoffootwearwillthenbeaddressed,highlightingitsinteractionwithstrikepatternonmechanics.Thisanalysiswillunderscorewhyfootwearmatterswhenassessingmechanics.Finally,properpreparationandsafetransitiontoanFFSpatterninminimalshoeswillbeemphasized.Throughthediscussionofthecurrentliterature,wewilldevelopajustificationforreturningtorunninginthewayforwhichwewereadaptedtoreducerunning-relatedinjuries.

简介：Shipcollisionaccidentsarerareeventsbutposehugethreattohumanlives,assets,andtheenvironment.Manyresearchershavesoughtforeffectivemodelsthatcomputeshipstochasticresponseduringcollisionsbyconsideringthevariabilityofshipcollisionscenarioparameters.However,theexistingmodelswerelimitedbythecapabilityofthecollisioncomputationalmodelsanddidnotcompletelycapturecollisionscenario,andmaterialandgeometricuncertainties.Inthispaper,anovelframeworktoperformancecharacterisationofshipsincollisioninvolvingavarietyofstrikingshipsisdeveloped,bycharacterisingthestructuralconsequenceswithefficientresponsemodels.Adouble-hulloilcarrierischosenasthestruckshiptodemonstratetheapplicabilityoftheproposedframework.Responsesurfacetechniquesareemployedtogeneratethemostprobableinputdesignsetswhichareusedtosampleanautomatedfiniteelementtooltocomputethechosenstructuralconsequences.Theresultingpredictor-responserelationshipsarefittedwithsuitablesurrogatemodelstoprobabilisticallycharacterisethestruckshipdamageundercollisions.Asdemonstratedinthispaper,suchmodelsareextremelyusefultoreducethecomputationalcomplexityinobtainingprobabilisticdesignmeasuresforshipstructures.Theproposedprobabilisticapproachisalsocombinedwithavailablecollisionfrequencymodelsfromliteraturetodemonstratetherisktolerancecomputations.

简介：AltynTagh差错是西藏的高原的北边界。作为在世界上的最著名的罢工滑倒差错之一，构造变丑上并且晚的大成就第四级滑倒率被造成了。然而，有AltynTagh差错是否延续到Jinta盆的长持续的争论或甚至东方。在这份报纸，我们使用卫星图象解释，领域调查，沟挖掘，和标明日期到最新在JintaNan掸人的东方结束发现NS惹人注目的陡坡的学习的光刺激的光。结果如下：第一，一组正常差错在Heihe河的平台T2上发展，全部的长度数量到40km，全部的陡坡高度是30畣慬楴杮琠敨映畡瑬猠楬獰猠潨獷氠湯?整浲愠瑣癩瑩敩?景映畡瑬?耶喩鼡?桴?慢楳?愠摮猠浯?潢湵慤祲映畡瑬?敫瑰愠瑣癩?晡整??‵吗？

简介：Twokindsofmyloniteseriesrocks,felsicandmafic,havebeenrecognizedintheNW-strikingshearzoneoftheJiapigougoldbelt.Duringductiledeformation,alargeamountoffluidinteractedintensivelywiththemyloniteseriesrocks:plagioclasesweresericitizedandtheAnvaluesdeclinedrapidly,finallyallofthemweretransformedtoalbites;darkmineralsweregraduallyreplacedbychlorites(mostlyripidolite).Meanwhile,large-scaleandextensivecarbonationalsotookplace,andthecarbonatizationmineralsvariedfromcalcitetodolomiteandankeritewiththedevelopmentofdeformation.Theδ^13Cvaluesofthecarbonatesare-3.0‰--5.6‰suggestingadeepsourceofcarbon.Theductiledeformationisnearlyaniso-volumeone(fv=1).Withtheenhancementofsheardeformation,SiO2inthetwomyloniteseriesrockswasdepleted,whilevolatilecomponentssuchasCO2andH2O,andsomeore-formingelementssuchasAuandSwereobviouslyenriched.ButitisnotedthattheenrichmentofAuinboththemyloniteseriesrocksdidnotreachthepaygradeofgold.ThereleasedSiO2fromwater-rockinteractionsoccurredintheformofcolloidsandabsorbedgoldinthefluid.Whenbrittlestructureswereformedlocallyintheductileintheductileshearzone,theore-formingfluidsmigratedtothestructuresalongmicrofractures,andprecipitatedauriferousquartzbecauseofreductionofpressureandtemperature.Fluidinclusionstudyshowsthatthetemperatureandpressureoftheore-formingfluidsare245-292℃and95.4-131.7MParespectively;thesalinityis12.88-16.33wt%NaCl;thefluid-phaseisrichinCa^2+,K^+,Na^+,Mg^2+,F^-andCl^-,whilethegaseousphasesarerichinCO2andCH4.TheδDandδ^18Ovaluesoftheore-formingfluidare-84.48‰--91.73‰and-0.247‰-+2.715‰respectively,suggestingthatthefluidiscomposedpredominantlyofmeteoricwater.