简介：X光检查diffractometry被利用学习在3月18日在北京城市里在二灰尘暴风雨期间取样的inhalable粒子(PM10)和2008年5月21日的矿物学的特征。第一次，我们证实那稳定地在那里存在在空气的铵氯化物当温度是低的时。全部的硫酸盐粒子被相对湿度影响。硫酸盐的种类和集中首先减少了然后回来在每灰尘暴风雨底成长了。Koninckite，一种磷酸盐矿物质以前从来没作为微粒喷雾器报导，被识别。同时，我们的结果证明灰尘矿物质上的化学修正发生在长期的交通期间。在灰尘暴风雨的时期期间收集的PM10样品被象石英，illite/绿土，illite，绿泥石，长石和方解石那样的外壳的矿物质统治，并且在时间的正常时期比那在集中是尤其是更高的。在每灰尘改变的全部的硫酸盐，方解石和长石的数量下暴雨。它向后从24小时的isentropic被导出在春天2008的二个灰尘事件在不同来源发源的轨道。

简介：TheWahongshanfaultzoneinQinghaiprovinceisoneofthemostimportantfaultsinwesternChina.Inthispaper,deformationandX-raypetrofabricshavebeenstudiedinthemiddlesegmentofthefault.Theresultsshowthattheformationofthefaultzonescanbedividedintotwomajorstages:ductilesheardeformationstageandbrittledeformationstage.TheearlystageductileshearingleadstotheformationoftheNW-NNWtrendingmylonitezonesalongthefault,whichisintenselycutbythelate-formedbrittlefaults.X-raypetrofabricsofrocksnearthefaultsindicatethatthemineralsinthetectonitesshowagreatdegreeoforientationinthealignment.Thequartz,whichisaveryimportantmineralinthetectonites,isdeformedbybasalfaceglidingornearbasalfacegliding,andsometimesbyprismaticfacesliding,whichindicatesthattherocksaredeformedinepithermaltomesothermalormesothermalenvironment,andthedynamicrecrystallizationalsoplaysanimportantroleintheformationofthequartzalignment.TheresultsalsodemonstratethatplutonsformedintheHercynianandIndosinianstagesshownogreatductiledeformationascanbeseenfromtheX-raypetrofabrics,soitisconcludedthattheserocksareformedaftertheformationoftheductileshearzones.ResultsofStructuraldeformationanalysisandisotopegeochronologicanalysisofsyntectonicmuscoviteindicatethatWahongshanductileshearzonesareformedinthelateSilurianPeriodduringthelateCaledonianstage.