简介:NontoxiccolorantfromrareearthsisexpectedtobeputintofullproductioninthecurrentyearinBaotou,thebiggestcityintheInnerMongoliaautonomousregion,followingadecisionbythelocalgovernmenttoupgradetherareearthsindustrytovalue-addedprocessesagainstpreviouslyminingtherawmaterials."Duetoitsperfectcoloringandnontoxicpropertiesthecoloringagent,mainlyforplasticsandleathers,canreplacemostexistingdyesinthemarket,"saidZhangHongjie,inventorofthecolorantandmemberoftheChineseAcademyofSciences.
简介:Overthelasttwodecades,SingaporeAirlineshasgrownfromaregionalairlineintooneoftheworld'sleadingpassengerandcargocarriers.Today,ithasamodernandyoungfleetofaircraft.Itshomebase,ChangiAirport,isregularlyvotedtheworld'sbest,andservesasthegatewaytoAsiaandbeyond.SingaporeAirlinesisagreatwaytofly.Itsawardwinningservicesandstate-of-the-artaircrafthavecontributedtosuccessovertheyears.ExperienceawholenewwaytoflyincomfortandleisurewithFirstClass,RafflesClassandEconomyClass.
简介:摘要实施SOP(StandardOperationProcedure)标准作业流程已经成为提高卷烟生产企业竞争力的重要手段。本文旨在通过对SOP在烟草企业应用的探索与研究,探讨烟草加工企业实施SOP意义,为企业工艺质量管理做好保障。
简介:ThekinematicsofturningmaneuversofstartledCrucianCarp(Carassiusauratus)arepresented.AllescaperesponsesobservedareC-typefast-starts.Thepositionofthecenterofmassandthemomentofinertiaofthefisharecalculated.Theresultsshowthatthepositionofthecenterofmassisalwaysat35%ofthelengthofthefishfromtheheadandthepositionofthecenterofmassandmomentofinertiacanbeconsideredunchangedduringC-startofCrucianCarp.HydrodynamicanalysisoftheC-startisgivenbasedonthekinematicsdatafromourexperiments.TheC-startconsistsofthreestages.Instage1,thetailfinoffishrapidlyflapsinonedirection,andalargemomentactsonthefish'sbody,whichrotatesaroundthecenterofmasswithanangularacceleration.Instage2,thetailfinflapsmoreslowlyintheoppositedirectionatslowerspeed,thefish'sbodyrotatesaroundthecenterofmasswithangulardecelerationandthecenterofmassofthefishmovesalonganarc.Instage3,themomentapproximatelyequalszero,thefish'sbodystopsrotatingandthecenterofmassthemovesalongastraightline.
简介:<正>China’sautomobileindustryhadagoodstartintheyearof2014.Lastyear,thosemajorautoenterprisesransmoothly,whoseleadingeco-nomicindicatorsremainedasteadygrowth.AccordingtoChinaAssociationofAutomobileManufacturers(CAAM),inJanuary,theproductionandsalesofautomobilesinChinakepta