荆门| 宁津| 六枝| 来安| 大足| 蒲县| 漳县| 广东| 昔阳| 桂东| 桓仁| 土默特左旗| 青铜峡| 江夏| 双江| 宜春| 苍南| 太仆寺旗| 滁州| 西宁| 黄冈| 印台| 富裕| 根河| 南部| 淮南| 石首| 涪陵| 罗城| 大丰| 汉源| 温县| 蓟县| 那曲| 达孜| 代县| 崇州| 大安| 敖汉旗| 金溪| 广丰| 丰都| 秭归| 吉安市| 珙县| 巫溪| 陈仓| 西充| 乐东| 宁县| 婺源| 海伦| 舒兰| 湘乡| 叙永| 唐县| 伊川| 拜泉| 峨边| 扎鲁特旗| 建平| 户县| 穆棱| 弥渡| 兴仁| 南乐| 广安| 台中县| 通许| 理县| 新疆| 锦屏| 沙雅| 灵丘| 迭部| 麻阳| 施秉| 新乐| 东胜| 洱源| 赣县| 共和| 乐业| 梅县| 米林| 景东| 德江| 永和| 沿滩| 密山| 衡阳县| 大丰| 南票| 贵港| 萧县| 来宾| 喜德| 河源| 若尔盖| 大连| 古丈| 灵川| 曲松| 新城子| 富拉尔基| 辽阳县| 乌达| 双峰| 聂拉木| 普洱| 囊谦| 建始| 大方| 丘北| 廉江| 慈溪| 杞县| 和布克塞尔| 九龙坡| 沂南| 靖江| 乌当| 东方| 隆化| 浦江| 新宾| 子长| 岢岚| 宁河| 上高| 商洛| 通河| 鄂温克族自治旗| 水富| 申扎| 荆州| 楚雄| 松阳| 华宁| 永泰| 曲麻莱| 且末| 新洲| 砀山| 米泉| 从化| 嘉义市| 牙克石| 凤凰| 个旧| 虎林| 湟源| 林州| 罗田| 蒙山| 康马| 金华| 会同| 甘谷| 巴彦| 茂名| 霍邱| 乌什| 广元| 远安| 类乌齐| 安阳| 平和| 秀山| 峨山| 南溪| 崇义| 龙岗| 武宁| 阿荣旗| 五台| 察哈尔右翼后旗| 叙永| 托里| 南澳| 龙湾| 富川| 博野| 武安| 屏东| 汉川| 大足| 万载| 谷城| 乌兰察布| 科尔沁右翼中旗| 沁阳| 崇阳| 江川| 万安| 澄城| 肥城| 衡阳市| 台江| 七台河| 柞水| 博野| 郁南| 保山| 万载| 巫溪| 尼木| 岚县| 保山| 威远| 南部| 鄄城| 湘东| 杭州| 香港| 广元| 鄱阳| 云县| 固安| 简阳| 礼县| 泸州| 上犹| 易门| 左云| 云安| 唐河| 瓦房店| 兴安| 香河| 平山| 澧县| 八达岭| 孙吴| 江川| 大连| 上高| 定日| 汝阳| 原平| 晋宁| 南华| 新河| 阿坝| 卓尼| 湖口| 麻山| 四平| 望都| 巴楚| 安图| 福州| 肇庆| 朝阳市| 曹县| 汝阳| 合山| 行唐| 泸溪| 沙坪坝| 江宁| 兴业| 武清|

上海国际辩论公开赛举行 172支队伍"唇枪舌剑"

2019-09-21 23:25 来源:腾讯

  上海国际辩论公开赛举行 172支队伍"唇枪舌剑"

  ,FacebookandTwitterareun,too,,ary2018,fofthetotal(56percent)socialmediareports,,foodsafety,healthcare,andsociale"self-media"andsocialmedia,andbyre-reportingit,thetraditionalmediacauseadelugeoffakenews,whichlinefakenews,,ewsreportsareauthentic,comprehensive,tpostedonsocialmediaplatforms,andstrictlyregulatetheeditingandcompilingprocessonmedianetworkplatforms,includingmobilenewsapplication,sCongress,Chinastoplegislature,passedtheCybersecurityLawinNovember2016,rmationorcontrollinguserdevices,soastocheck"unequalcompetitionandunlawfulprofits".Accordingtostatistics,NationalInternetInformationSystemofficialsinterviewed2003websitecompaniesinaccordancewiththeCybersecurityLawin2017,suspended1,370websitesandpermanently"blocked"abatchof"self-media"accountswith"vulgarcontent".Complaintsagainstfalseiesbyusingac"WeChatAnti-rumorAssistant"inJune2017,whichhelpsuser,theWeChatOfficialAccountPlatformhasinvitedanumberofprofessionalthird-partyinstitutionstostrengthentheanti-ediaoutlets,nationalinternetpolice,andprofessionalWeChataccountsofusersfromindustriessuchashealthcare,scienceandtechnology,agriculture,"2018WeChatRumorGovernanceReport"inMarch,sayingtheWeChatanti-rumorcenter,itsWeChatofficialaccount,andthe"WeChatAnti-rumorAssistant"mini-programworktogethertorefuterumors,anddisseminatedabout490milli,andanno"rumor",andlaunchedthisfeatureinApril2012,,markinganddeleting,itytodevelop"informationization"inordertobuildChinareformoftheglobalcyberspacegovernancesystembystickingtoamultilateralapproachwithmulti-partyparticipation,fromthegovernment,internationalorganizations,internetenterprises,techgroups,SingaporeanPrimeMinisterLeeHsienLoong(R)meetswithKimJongUn,chairmanoftheWorkersPartyofKorea(WPK)andchairmanoftheStateAffairsCommissionoftheDemocraticPeoplesRepublicofKorea(DPRK),inSingapore,onJune10,2018.(Xinhua/ThenChihWey)SingaporeanPrimeMinisterLeeHsienLoong(R)shakeshandswithKimJongUn,chairmanoftheWorkersPartyofKorea(WPK)andchairmanoftheStateAffairsCommissionoftheDemocraticPeoplesRepublicofKorea(DPRK),inSingapore,onJune10,2018.(Xinhua/ThenChihWey)

FrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)AntoineGriezmanncarrieshisbaggageastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)OlivierGirouddisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PaulPogbadisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)UruguaysLuisSuarezarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)FansgreetUruguaysnationalsoccerteamplayersastheyarriveatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)PerusJeffersonFarfánarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PerusPaoloGuerreroarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)Special:ChinesePresidentXiJinpingandhisIraniancounterpartHassanRouhanhShanghaiCooperationOrganization(SCO)summitinthecoastalcityofQingdao,ineastChinavestrategicpartnershipduringhisstatevisittoIranin2016,Xisaidthetwocountriessincethenhaveincreasedcooperationandfnandwitnessedincreasinglycloserpeople-to-peopleexchanges,,XisaidChinaisreadytoworkwithIrantojointlypromotesteaerarchingprincipletocontinuouslyenhancestrategicmutualtrust,increaseexchangesatalllevels,andcontinuetounderstandandsupporteachotRoadInitiative,promotelawenforcementandsecuritycooperationcenteringoncounter-terrorism,anddeepenpeople-to-peopleexchangesandcooperationwiththeaimtoenhanceChina-Iranfriendship,sm,XisaidthedealisconducivetosafeguardingpeaceandstabilityintheMiddleEastandtheinternationalnon-proliferationregime,utesandhotspotissues,andisreadytostrengthencooperationwithIranundermultilateralframeworksandpromotethebuildingofanewtypeofinternationalrelations,svisittoIrantwoyearsagosignificantlyelevatedthebilateralrelations,saidRouhani,addingthatIranfeelshappyaboutthesma,andwellimplementcooperationagreementsonjointlybuildingtheBeltandRoad,,andIranexpectstheinternationalcommunityincludingChinatoplayapositiveroleinproperlydealingwithrelevantissues,,XiandRouhaniwitnessedthesigningofbilateralcooperationagreements.

  AsoldierfromtheGurkhaunitisondutytoensurethesecurityfortheupcomingTrump-KimsummitinSingaporeonSunday.(Photo:YangSheng/GT)(Photo:YangSheng/GT)DPRKleadune12attheCapellaHotelonSentosaIsland,(Photo:YangSheng/GT)(Photo:YangSheng/GT)(Photo:YangSheng/GT)(Photo:YangSheng/GT)(Photo:YangSheng/GT)(Photo:YangSheng/GT)(Photo:YangSheng/GT)(Photo:YangSheng/GT)(Photo:YangSheng/GT)PolicegatheroutsidetheIstana,theofficialresidenceandofficeofthePresidentofSingaporeonSunday.(Photo:YangSheng/GT)RussianteenagericehockeyplayerslearnaboutkungfuduringavisittoBeijingHuijiaPrivateSchoolinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)RussianteenagericehockeyplayerslearnaboutkungfuduringavisittoBeijingHuijiaPrivateSchoolinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)ZhangYe,principalofBeijingHuijiaPrivateSchool,presentsgiftstovisitingRussianteenagericehockeyplayersinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)ARussianteenagericehockeyplayershowsaChinesecalligraphyworkduringavisittoBeijingHuijiaPrivateSchoolinBeijing,June11,2018.(Photo:ChinaNewsService/LiuGuanguan)

  PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)PeopleattendtheofficialopeningceremonyoftheFIFAFanFestinMoscow,Russia,onJune10,2018,(Photo:ChinaNewsService/WangXiujun)VolunteerscleanwasteonbeachinDongshanCounty,southeastChinasFujianProvince,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/SongWeiwei)VolunteersfreefriesinSanya,southChinasHainanProvince,June6,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/ChenWenwu)MembersofChinasAntarcticexpeditionputamicroplasticcollectorintothesea,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/BaiGuolong)CleanersclearthefloatingwasteinthefishbreedingraftsinHuangqiTownshipofLianjiangCounty,southeastChinasFujianProvince,June6,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/JiangKehong)ChinasmannedsubmersibleJiaolongispreparedtodiveintheYapTrenchinthewestPacific,June13,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/LiuShiping)PearlcultivatorstransfershellsatapearlcultivationfarminBeihaiCity,southChinasGuangxiZhuangAutonomousRegion,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/ZhangAilin)AlittlegirlstaysatacampinQingdaoHaichangPolarOceanParkinQingdao,acoastalcityineastChinasShandongProvince,May19,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/LiZiheng)AseaweedharvestboatsailsataseaweedfarminSanshaTownshipinXiapuCounty,southeastChinasFujianProvince,,,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/JiangKehong),2018showsthesceneryofXinyingmangrovenationalwetlandparkinsouthChina,aUN-designateddayheldannuallyonJune8,aimstoarousepeoplesconsciousnesstopreserveoceansonEarth.(Xinhua/JiangEnyu)

FrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)AntoineGriezmanncarrieshisbaggageastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)OlivierGirouddisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PaulPogbadisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)UruguaysLuisSuarezarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)FansgreetUruguaysnationalsoccerteamplayersastheyarriveatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)PerusJeffersonFarfánarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PerusPaoloGuerreroarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)

  BicyclecartsandbamboobirdcagesQianmenDashilar2015.(PhotobyBruceConnolly/)Inthe1990s,whiletravelingthroughBeijingtowardsouthwestChinaIwouldalwaysspendafewdaysincreasingmyknowledgeofthecity’“Qianmen-Dashilar”appearedinmydiarynotesfromthosedays—anareaIdiscoveredtobebustlingwithstreetlifewhileretainingmuchofthecapital,acafeoverlookingthemassiveZhengyangmenGatecomplex,Iatebreakfast,satatthewindowanddreamed—dreamsofBeijing,theareaIwasinanditsmanyfacetsandepisodeswithinthecity’,butthelocalnameWestHeyanStreet,orWestRiverbankStreet,(ArrowTower)isonthecity’,“FrontGate”oftheMingDynastywallsseparatingtheimperialgrandeurofthenorthfromthevibrant,,re,(PhotobyBruceConnolly/)ItwassouthalongthatroutetheemperorswouldbecarriedtowardstheTempleofHeavenforritualceremoniesbutitwasalsothroughtheJianloupassagewaywhereofficialsandtheirfamilieswouldemergeintothebustlingareasofQianmenandDashilar,ascommerceandentertainmentwektoweroftheformerZhengyangmenRailwayStation—theoriginal“Beijingstation”,,andanelemen,(PhotobyBruceConnolly/)Nextdoor,onQianmenEastStreet,theBeijingPlanningExhib,andbeamazedatthehaphazardlenortharoundDongsi,XisiandZhonggulou,’snarrowestalley,Qianshior“moneymarket”Hutong,,with26mintsproducingcoppercoinsforthecity’,particularlyitswesternside,washometoseveralofChina’searlyfinancialhouses—indeed,walkalongWestHeyanStreetandthereareseverallargeEuropeanclassica,,,atthattime,fascinatingdiscoveriesthroughareasofmainlylow-riseresidentialandcommercialbuildings,includingthe“UndergroundCity”—amazeofanti-nuclearevacuationtunnelsthatwereopentovisitorsatthattime,(PhotobyBruceConnolly/)How,itsfamed“TimeHonoredBrands”—shopsrenownedfortheirhats,silks,foodstuffs,’sfirstcinema,Daguanlou,,featuringasculptureofthefatherofChinesecinema,dong,,itsprestige,runningsouthfromQianmentoZhushikouWestStreet,datesfrom2008andwasmodified,DashilarWestStreetwaspedestrianizedintoacommerciallaneandhomeforlocalprodu(PhotobyBruceConnolly/)Simplyleavingthemainbywaycanleadintoalleyslinedwi—therewouldbemanycol,DashilarisbeingseenbytravelguideslikeLonelyPlanetasbecominga”hip”’slocal-styleArtDecobuildingsbecomingcentersforcontemporaryart,erseasbackpackersandtravelers,peoplewhoprefertospendtimeinlocalareasfilleoundingrooftops,whilelookingdownonthevarietyofdomesticandWester’,studentsoftengohomebybicyclecarts,,Tan’erleadstonorth-runningYanshouStreet,shistory,andforaphotographer,aplacetoca(PhotobyBruceConnolly/)TodaytheQianmen-DashilararearemainsasasmallenclavewithinthegreaterareaofBeijing,butitsmanysurviving,twisting,mindedmemoreofavillagewithinacity,ramswhileschoolchildrenplayedont,—thepeoplewhomakethisoneofthemostfascinatingpartsofoldBeijingtoexplore,andwhere(PhotobyBruceConnolly/)QianmenDajieandJianlouTower2015.(PhotobyBruceConnolly/)Remindersofthepast-formerhomesandformerfactorybuildingsineasternQianmen2015.(PhotobyBruceConnolly/)RooftopsandtraditionalbuildingsofDashilarandQianmen2015.(PhotobyBruceConnolly/)Schoolisout!TanerHutong2015.(PhotobyBruceConnolly/)TheschoolrunTanerHutongDashilar2015.(PhotobyBruceConnolly/)ThesecuritymanandvistortoDashilar2015.(PhotobyBruceConnolly/)TraditionalfoodsinDashilar2015.(PhotobyBruceConnolly/)

  FrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)AntoineGriezmanncarrieshisbaggageastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)OlivierGirouddisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PaulPogbadisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)UruguaysLuisSuarezarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)FansgreetUruguaysnationalsoccerteamplayersastheyarriveatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)PerusJeffersonFarfánarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PerusPaoloGuerreroarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)AresidentmakesZongzi,apyramid-shapeddumplingmadeofglutinousricewrappedinbambooorreedleaves,togreettheupcomingDragonBoatFestivalinZhangjiajieCity,centralChinasHunanProvince,June11,2018.(Xinhua/WuYongbing)PeoplepickleavestomakeZongzi,apyramid-shapeddumplingmadeofglutinousricewrappedinbambooorreedleaves,togreettheupcomingDragonBoatFestivalinforestofZhangjiajieCity,centralChinasHunanProvince,June11,2018.(Xinhua/WuYongbing)AwomancleansleavesformakingZongzi,apyramid-shapeddumplingmadeofglutinousricewrappedinbambooorreedleaves,togreettheupcomingDragonBoatFestivalinarivuletofZhangjiajieCity,centralChinasHunanProvince,June11,2018.(Xinhua/WuYongbing)Volunteersmakezongzi,apyramid-shapeddumplingmadeofglutinousricewrappedinbambooorreedleaves,fortheelderlypersonsofnofamilytocelebratetheDuanwuFestivalatacommunityinZhenjiangCity,eastChinasJiangsuProvince,June11,2018.(Xinhua/ShiYucheng)

  Aninternationalteamofscientistshasdevelopedamaterialthatcanremovenitrogendioxidegasfromtheatmosphereinaselective,,publishedonMondayinthejournalNatureMaterials,wasconfirmedusingneutronscatteringtechniqueattheUnitedStatesDepartmentofEnergy,themetal-organicframeworkmaterial(MOF)couldleadtoairfiltrationtechnologiesthatcost-effectivelycaptureandconvertlargequantitiesoftargetedgases,includingcarbondioxideandothergreenhousegases,tofacilitatetheirl,selectivecaptureofnitrogendioxideatambientpressuresandtemperatures,atlowconcentrations,inthepresenceofmoisture,(depictedinredandgold)confinedwithinanano-sizedporeofanMFM-300(Al)metal-organicframeworkmaterialascharacterizedusingneutronscatteringatOakRidgeNationalLaboratory./PhotoviaOakRidgeNationalLaboratoryDespitethehighlyreactivenatureofnitrogendioxide,thematerialprovedextremelyrobust,demonstratingthecapabilitytobefullyregenerated,ordegassed,,allenge,becauseoftheirrelativelylowconcentrationsandthepresenceofmoistureintheair,whichcannegativelyaffectseparatingtargetedgasmoleculesfromothergases,sforlong-termsequestration,suchas,includingtheUniversityofManchester,theUniversityofNottingham,UniversityofNewcastleuponTyne,UniversityofNottinghamNingboChina,PekingUniversity,theInternationalTomographyCenterSBRAS,NovosibirskStateUniversityandtheEuropeanSynchrotronRadiationFacilityinGrenoble.

  TheHospitalforCulturalRelics,astate-of-the-artpreservationcenterdesignedtoprotectandtreatnationaltreasuresatBeijingsPalaceMuseum,openedtothepubliconatrialbasisonSaturday,coincidingwithChina,whomadereservationsinadvanceviathemuseumswebsite,iningthepreservationprocessindetailtovisitors."Thevolunteershelpvisitorsrealizetheimportanceofprotectingandrestoringrelics,"saidShanJixiang,nlinereservationsinthenearfuture,withvi,witharound200professionalrestorers,isChina,includingpaintingsandcalligraphy,porcelain,bronzeworks,furniture,signedtodi,Shansaid,relicswi,notingitscomposition,originaluse,damage,,whowereselectedfromamong871candidates,aremainlyteachers,,ascreenwriter,vo,sheintroducedatableplaqueintheshapeoftheChinesecharactershou(longevity)thatdatesbacktothereignofEmperorYongzheng(1722-35).Itwasrecentlyrestored,andshepointedoutthedetailedworkrestorershaddonetorepairitsred-crownedcranedecoration.",Ifeelaconnectionbeyondtheages,""Thekeyistomaintainapersonalstylewhilebetterconveyingpracticalinformationtovisitors,",avolunteerandChinaRadioInternationalbroadcaster,sa,atimepiecerestorerwhorosetofameafterthe2016documentaryandwhohastutoredvolunteers,said:"Thevolunteersareinhighspirits,andvisitorstrulyappreciatetheirhelp."PengDai,acollegestudentmajoringinChinesemusicalinstruments,said:"Astheyoungergeneration,wecannotbesatisfiedbyjus,withvolunteersexplanations,canprovideuswithmoreknowledgesothatifwereinterested,weknowhowtostudyfurther."Asavisitor,Penghasbeenl,,ChinadesignatedthesecondSaturdayofJuneastheannualCulturalandNaturalHeritageDaytoraiseawarenessofnationaltreasures.FrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)EgyptiannationalsoccerteamplayerandLiverpoolsstarstrikerMohammedSalaharriveswiththeEgyptnationalsoccerteamatanairportoutsideGrozny,Russia,June10,day.(Photo/Osports)AntoineGriezmanncarrieshisbaggageastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)OlivierGirouddisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PaulPogbadisembarkstheplaneastheFrancenationalsoccerteamarriveattheSheremetyevointernationalairport,outsideMoscow,Russia,June10,2018tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)UruguaysLuisSuarezarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)UruguaysEdinsonCavaniarrivesatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)FansgreetUruguaysnationalsoccerteamplayersastheyarriveatanairportinNizhnyNovgorod,Russia,June10,2018.(Photo/Agencies)PerusJeffersonFarfánarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)PerusPaoloGuerreroarrivesattheSheremetyevointernationalairport,outsideMoscow,Russia,tocompeteinthe2018WorldCupinRussia.(Photo/Agencies)

  SingaporeanPrimeMinisterLeeHsienLoong(R)meetswithKimJongUn,chairmanoftheWorkersPartyofKorea(WPK)andchairmanoftheStateAffairsCommissionoftheDemocraticPeoplesRepublicofKorea(DPRK),inSingapore,onJune10,2018.(Xinhua/ThenChihWey)SingaporeanPrimeMinisterLeeHsienLoong(R)shakeshandswithKimJongUn,chairmanoftheWorkersPartyofKorea(WPK)andchairmanoftheStateAffairsCommissionoftheDemocraticPeoplesRepublicofKorea(DPRK),inSingapore,onJune10,2018.(Xinhua/ThenChihWey)

  WorkersworkataconstructionsiteoftheBeijing-Zhangjiakouhigh-speedrailwayinZhangjiakou,northChinasHebeiProvince,June11,,connectingChinascapitalBeijingandZhangjiakouofnorthChinasHebeiProvince,isdesignedataspeedof350kilometersperhourandisexpectedtobeputintouseattheendof2019.(Xinhua/YangShiyao)WorkersworkataconstructionsiteoftheBeijing-Zhangjiakouhigh-speedrailwayinZhangjiakou,northChinasHebeiProvince,June11,,connectingChinascapitalBeijingandZhangjiakouofnorthChinasHebeiProvince,isdesignedataspeedof350kilometersperhourandisexpectedtobeputintouseattheendof2019.(Xinhua/YangShiyao)WorkersworkataconstructionsiteoftheBeijing-Zhangjiakouhigh-speedrailwayinZhangjiakou,northChinasHebeiProvince,June11,,connectingChinascapitalBeijingandZhangjiakouofnorthChinasHebeiProvince,isdesignedataspeedof350kilometersperhourandisexpectedtobeputintouseattheendof2019.(Xinhua/YangShiyao)WorkersworkataconstructionsiteoftheBeijing-Zhangjiakouhigh-speedrailwayinZhangjiakou,northChinasHebeiProvince,June11,,connectingChinascapitalBeijingandZhangjiakouofnorthChinasHebeiProvince,isdesignedataspeedof350kilometersperhourandisexpectedtobeputintouseattheendof2019.(Xinhua/YangShiyao)WorkersworkataconstructionsiteoftheBeijing-Zhangjiakouhigh-speedrailwayinZhangjiakou,northChinasHebeiProvince,June10,,connectingChinascapitalBeijingandZhangjiakouofnorthChinasHebeiProvince,isdesignedataspeedof350kilometersperhourandisexpectedtobeputintouseattheendof2019.(Xinhua/YangShiyao)

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上饶新闻 首页> 寻医问药 > 健康资讯 > 保健 > 正文

同仁眼科医生李仕明:近视超600度需注意眼底健康

2019-09-21 17:14:58来 源:新华网      评论:0点击:
        新华网北京5月5日电(孙慧)长时间看手机、ipad、电脑,在黑暗环境下用眼……统计数据显示,近年来,我国高度近视(近视度数600度以上)问题越来越突出,目前高度近视人数已达3000万,高度近视会伴有多种眼底疾病风险。近日,北京同仁医院眼科中心李仕明博士在接受新华网专访时表示,养成良好的用眼习惯,定期做眼睛检查,近视进展较快者需及时到正规医院接受治疗。
 
         三种检查帮助发现眼底病变
 
        “高度近视和普通近视的主要区别在于高度近视的屈光度数很高,主要表现有眼球增大、眼轴拉长,眼轴拉长会带来很多问题,如周边视网膜变薄、变性,甚至产生裂孔,如果裂孔长时间得不到治疗可能会导致视网膜脱落;高度近视眼还可能导致黄斑变性、裂孔,甚至萎缩,或导致脉络膜新生血管、后巩膜葡萄肿,或合并青光眼,这些都会对视力造成严重损害。”李仕明说,目前高度近视亟需引起重视,现在很多孩子近视的年龄偏小、提前、进展快,这将导致他们成年时往往已是高度近视,所以近视度数600度以上者最好定期到医院做眼科检查。
 
        高度近视需要做哪些检查呢?李仕明表示,首先要矫正视力,视力如果能达到正常,说明高度近视还在相对可控范围内;其次是眼底照相或间接检眼镜配合巩膜压迫器下的眼底检查,可检查眼底尤其是周边视网膜有没有变薄、变性和裂孔;三是做光学相干断层扫描(OCT),通过OCT可检查高度近视眼的黄斑部视网膜层间结构是否产生劈裂,或产生黄斑裂孔、萎缩等症状。
 
        “对于有些情况还需做一些复杂的检查,如眼底荧光血管造影或血管成像OCT(Angio OCT)等,这是根据病情变化而进行的相应检查。此外,眼轴长度、眼压或眼B超等检查对于高度近视眼来说也是可以考虑的,有助于判断高度近视的其他眼部相关问题”。李仕明建议高度近视者每半年至一年到医院检查一次眼睛,给自己建立一个眼睛档案,动态地了解自己的眼底健康状况。李仕明特别强调,对于做过激光矫正手术或眼内镜植入手术的高度近视患者,需要清楚各种近视矫正手术并不能改变眼底的情况,也就是说并不能逆转已经发生的眼底变化,这些患者仍然需要定期到医院检查眼底情况。
 
        高度近视度数增长快 需及时到医院就诊
 
        对于高度近视视力下降比较快的患者,或者眼前发生闪光感、固定黑影或视物变形的患者,李仕明建议需到医院及时就诊,首先需进行验光检查矫正视力,如果矫正视力正常,说明视力的下降可能是由于近视度数变化导致;如果矫正视力达不到正常或比原来视力降低,或者是近视度数增长较快,则需要进行眼底检查,观察有无玻璃体混浊、眼底周边有没有视网膜变性或者裂孔、或者玻璃体对视网膜的牵拉等问题,如果有周边视网膜变性或者裂孔可考虑进行激光治疗封闭病变区;如果黄斑部出现问题,如牵拉、劈裂或裂孔等,甚至黄斑区视网膜下可能会产生脉络膜新生血管,这时需要采用药物或手术治疗,如眼球内注射抗血管内皮生长因子药物(抗VEGF药物)或者是玻璃体切除手术等治疗方法;对于没有出现明显的视力损害,但近视度数却在不断增长的情况,如每年增长100度以上,李仕明说,这些患者可能是病理性近视,可考虑采用后巩膜加固术来延缓近视度数增长,但需到正规医院进行就诊治疗。
 
        那么,日常生活中如何保护视力呢?李仕明表示,保护视力与眼睛的发育结构有关系,眼睛视力最敏锐的地方叫黄斑,黄斑区富含叶黄素。大家可以适当食用含有叶黄素或花青素类的食物,如玉米、菠菜、蓝莓等,这些食物对补充眼睛所需营养、保护视力有一定的益处。李仕明强调说,保护视力最重要的还是养成良好的用眼习惯,避免长时间近距离用眼导致视疲劳,并且到正规医疗机构对眼睛进行定期检查。
本文来源于上饶新闻网[www.srxww.com]
本文来源于上饶新闻网[www.srxww.com]

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