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    辐射小知识放射性钋-210元素

    2018/9/10 9:40:25

    辐射小知识:放射性钋-210元素 
    最近一名俄罗斯前特工在英国中毒身亡,该事件被指与在死者体内发现的放射性钋元素有关。究竟钋元素是什么?它怎样引致死亡?

    PO-210SHISHENME?

    PO(Polonium)SHIYIZHONGHUAXUEYUANSU,TADEFUHAOSHIPo,YUANZIXUSHUWEI84,TASHICHENGYINBAISEDEJINSHU。XIANSHIYIZHIDAOPOYUANSUYOU25GETONGWEISU,TAMENDEZHILIANGSHUYOU192ZHI218,PO-210SHIDANGZHONGXIANZHEDEYIGETONGWEISU,JUFANGSHEXINGTEZHENG,HUISHICHUFANGSHEXINGAERFALIZI。QIBANSHUAIQIHENDUAN,ZHIYOU138TIAN。

    NALIKEYIZHAODAOPO-210?

    DIQIAONEIHANYOUFEICHANGDINONGDUDEPOYUANSU。1898NIANJULIFUFUZAICHULIYOUKUANGSHIFAXIANPOYUANSU,JULIFURENWEIJINIANZIJIZUGUOBOLAN(LADINGWEN : Polonia),BAZHEIZHONGXINYUANSUDINGMINGWEIPO。PO-210SHIPOYUANSUDEYIGETONGWEISU,ZAISUOYOUZIRANHUANJINGZHONG,LIRUNITU、DAQIYIZHIRENTIDOUKEYIZHAODAOJISHAOLIANGPO210。YANCAOSHANGDERONGMAOHANYOUWEILIANGPO-210,ZHUYAOSHILAIZITURANGHEYANCAOSHIYONGDELINFEI。YOUYULAIYUANQUEFA,SHANGYEYONGDEPO210SHIZAIHEFANYINGDUIRENGONGZHIZAODE。

    PO-210KEYIYINGYONGZAINAXIEGONGYECHENGXU?

    PO210KEXIAOCHUJIQISUOSHENGCHENGDEJINGDIAN、QUDIAOZHAOPIANDIPIANHESHEYINGJIJINGTOUSHANGDEWUCHENJIZAITAIKONGGONGYESHANGWEIHENGWENFADIANJITIGONGRENENG。

    PO-210DUISHENTIYOUSHENMEYINGXIANG?

    PO-210SHIFANGDEAERFALIZICHUANTOUNENGLIHENRUO,RENLEIDEPIFUHUOYIZHANGZHIYINENGGEZUTA,LIZIJINGZHAOSHEYINGXIANGRENTIDEJIHUIHENWEI,BUGUOYOUYUTADEDIANLINENGLIHENQIANG,RUGUORENLEIXIRUHUOJINSHIHANYOUPO-210 DEWUZHI,QISHIFANGDEAERFALIZIJIUNENGZHIJIEPOHUAINEIZANGXIBAO,JISHISUOXISHOUDEFENLIANGBUDUO,YEHUISUNHAISHENTIJIANKANG,JIXINGGAOJILIANGAERFAFUSHEKEYIYINZHI"FUSHEZHONGDU"。

    SHENMESHI"FUSHEZHONGDU"?

    "FUSHEZHONGDU"JISHISHENGWUSHENTIBAOLUZAIFUSHEZHONGERCHUXIANBINGZHENG。YIBANSHIZHIZAIYIGEDUANSHIQINEIXISHOUDAODAJILIANGFUSHE,YINZHISHENGWUZUZHISHENGCHENGHUAXUEBIANHUA,POHUAIXIBAODEGONGNENGJIXINCHENDAIXIE,SHANGHAISHENGWUJINENG。FUSHEDUISHENGWUDESUNSHANGYOUQIANFUQI,JIXINGXIAOYINGKEYIZAIJIXIAOSHIDAOJITIANNEICHUXIAN,ERYUANQIXIAOYINGKENENGZAIJINIANYIHOUCAICHUXIAN。ERSHENGWUNEIBUTONGQIGUANDUIFUSHEYIYOUBUTONGDEMINGANDU,BINGBIANGUOCHENGKUAIMANBUYI。

    DUOSHAOFENLIANGDEPO-210KEYIZHIMING?

    YIBANERYAN,ZAIJIDUANSHIJIANNEIXISHOUDAODAYUE4XIWOTE(Sv)FUSHEJILIANG,KEYIZHIMING。ZAIJINSHIHUOXIRU1BEIKE (Bq) FANGSHEXINGHUODUDEPO-210YIHOU,KEYIFENBIEXISHOUDAO0.51WEIXIWOTE (μSv) HE2.5WEIXIWOTE(μSv)FUSHEJILIANG,ERMEIKEPO-210YOU1.66×1014BEIKEDEFANGSHEXINGHUODU,GUCIRUGUOJINSHILEDAYUE5×10-8KEHUOXIRUDAYUE1×10-8KEDEPO-210,JIUHUIXISHOUDAO4XIWOTE(Sv)FUSHEJILIANG,KENENGYINZHISIWANG。

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