三年级下册小数的意义和读写201604

奔驰线上注册送彩金:Thetroubled-plaguedSamsungGalaxyNote7,nowwithdrawnfromsales,usedtobeoneoftheSouthKoreangroup'smostsought-aftersmartphonemodels.[Photo/Agencies]China'scellphoneshipmentsincreasedto560millionslastyear,up8percentyear-on-year,accordingtodatafromtheChinaAcademyofInformationandCommunicationsTechnology.Thedatafromtheacademy,affiliatedtotheMinistryofIndustryandInformationTechnology,alsoshowChineseconsumersarelikelytoreplace400millionto500millioncellphonesayear,addingtotheexistingheapofabout1billiondiscardedcellphones.Instarkcontrast,therecyclingrateofcellphonesislessthan2percent.Abluebookonelectronicsconsumption,issuedbyShanghai'sHorizonResearchConsultancyGroupin2015,says65.4percentofconsumerschoosetodiscard,butnotrecycle,theiroldelectronicdevices.Ifdigitalwasteisnotrecycledorappropriatelydisposedof,itcoulddamagetheenvironment.Evenduringthemanufacturingprocessofsmartphones,somevolatilematerialslikelead,cadmium,mercuryandothermetals,ifnottreatedproperly,couldharmtheecosystemandhumanhealththroughsoilandwatercontamination.Andtheplasticcasesofdigitaldevicesreleasetoxic,evencarcinogenic,fumeswhentheyareburned.However,discardedelectronicdevices,includingcellphones,canbeturnedintousefulitems.Recently,theTokyoOrganisingCommitteeoftheOlympicandParalympicGamesannouncedaplantorecyclediscardedelectronicdevices,includingcellphones,andextractthemetalsfromthemtomakemedalsforthe2020Olympics.Somecellphonecomponentshavevaluablemetalsthatarecostlierthanevengoldandsilverore.TheAppleEnvironmentalResponsibilityReport2016saidinfiscalyear2015,Applegeneratedapproximately13.1millionpoundsofwaste,anddivertedover22.5millionpoundsofmaterialsfromlandfillthroughrecyclingandcomposting.However,thecostofrecyclingcellphonesishigh,notonlyintermsofmoneybutalsootherfactors.Themostimportantfactorispersonalprivacyandinformationsecurity.AccordingtotheChinaAcademyofInformationandCommunicationsTechnology,inJanuarythisyearthedomesticshipmentofsmartphonesreached45.03million,accountingfor96percentofthetotalshipmentofcellphones.Smartphonesarepopularnotjustbecausepeopleusethemtocallorreceivecallsandsendorreceivemessages,butalsobecausetheyneedthemtokeepintouchwiththeircontactsonWeChat,useAlipay,conductcellbankingoperationsandbrowsetheinternet.Andsinceusershavetoinputalotofpersonalinformationintothecellphonestocarryouttheseoperations,theyarereluctanttohavethemrecycledastheyfeartheirpersonalinformationcouldbeleakedandmisusedbyunscrupulouspeople.Thesecondfactorthatmakescellphonerecyclingdifficultisthelackofenoughandregularrecyclingchannels.ForiPhone,iPadandiMacusers,forexample,theonlyavailablechannelforrecyclingisApplestores.Theotherfactoristhatthemoneyusersgetinexchangeforhandingovertheircellphonestoregisteredrecyclingagentsisnotenoughtooffsettheriskoftheirpersonalinformationbeingmisused.Somostusersprefertokeepthediscardedsmartphonesathome.Besides,regularrecyclingofcellphonesmostlyinvolvesdismantlingthedevicesandextractingfromthemmetalsandparts,whosevaluemaynotbeworththecostofrecycling.Thisimbalanceintherecyclingmarketisperhapsthegreatestreasonwhyahugepercentageofthediscardedcellphonesisnorecycled.Onlywhenthefactorsareaddressedcantherecyclingofthecellphonesbeeffectivelyimplemented.TheauthorisawriterwithChinaDaily.zhangyuchen@chinadaily.com.cn

图1

图2

图3

图4

图5

图6

图7

图8

图9

图10

图11

图12

图13

图14

图15

图16

图17

图18

图19

图20

图21

图22

图23

图24

图25

本文标题:三年级下册小数的意义和读写201604, 搜寻更多关于“三年级下册小数的意义和读写201604
链接地址:http://www.throughwaves.com/cchbiohianmijmeaoaamobja.html

相关内容
  • 三年级下册《小数的意义和读写》课件

    三年级下册《小数的意义和读写》课件

    三年级下册《小数的意义和读写》课件...

    贡献者:网络收集
    732865
  • 苏教版小学三年级数学下册-小数的意义和读写

    苏教版小学三年级数学下册-小数的意义和读写

    苏教版小学三年级数学下册-小数的意义和读写...

    贡献者:网络收集
    372908
  • 三年级下册小数的意义和读写

    三年级下册小数的意义和读写

    三年级下册小数的意义和读写...

    贡献者:网络收集
    777427
  • (苏教版)三年级数学下册   小数的意义和读写(二)

    (苏教版)三年级数学下册 小数的意义和读写(二)

    (苏教版)三年级数学下册 小数的意义和读写(二)...

    贡献者:网络收集
    965988
  • (苏教版)三年级数学下册课件 小数的意义和读写1

    (苏教版)三年级数学下册课件 小数的意义和读写1

    (苏教版)三年级数学下册课件 小数的意义和读写1...

    贡献者:网络收集
    203271
  • (苏教版)三年级数学下册课件 小数的意义和读写 3

    (苏教版)三年级数学下册课件 小数的意义和读写 3

    (苏教版)三年级数学下册课件 小数的意义和读写 3...

    贡献者:网络收集
    990425
  • (苏教版)三年级数学下册课件 小数的意义和读写

    (苏教版)三年级数学下册课件 小数的意义和读写

    (苏教版)三年级数学下册课件 小数的意义和读写...

    贡献者:网络收集
    624342
  • 网友在搜

    声明:本站内容部分源于网络转载,出于传递更多信息之目的,并不意味着赞同其观点或证实其描述。文章内容仅供参考,请咨询相关专业人士。

    如果无意之中侵犯了您的版权,或有意见、反馈或投诉等情况, 联系我们:

    Copyright ? 2017 All Rights Reserved 奔驰线上注册送彩金

    百度 360 搜狗