zuanshixuemingjingangshi,shimuqianyizhiziranjiezhongzuijianyingdewuzhi,juyouzuidadekangmohaonengli,tongshiyeshidaorezuikuaidedaoti,tadechuanresulvbidaorezuikuaidejinshuruyin、tongdenghaiyaokuaishangliuqibeizhiduo,shijiqizhongyaodegongye、junshicailiao。zuanshidepengzhangxishuxiao,wendudebianhuaduizuanshitijideyingxiangfeichangxiao。
zuanshidaodishiyoushenmegouchengde?lishiyilai,shijiegedidekexuejiadouzaibuduanditansuo。1673nian,yingguokexuejialuobote·boyier(robert boyle)shouxianfaxianlezuanshikeyizaikongqizhongranshao。1772nian,faguokexuejialawaxi(antoinc lavoisier)tongguoshiyanshizhengmingzuanshiranshaoshisuoshifangdeqitiweieryanghuatan,yincijianjiezhengmingzuanshidechengfenshitan。1796nian,yingguohuaxuejiashimisi·tannante(smithson tennant)bazuanshifangzaichunyangzhongranshao,zhengmingleranshaosuochanshengdeeryanghuatandetanhanliangyuzuanshidezhongliangxiangdang,zicizuanshidechengweishitanyiburongzhiyi。
zuanshishiyou99.95%detanyuansu,zaitedingyali、wenduxia(1300°~1500°、4~6wangedaqiya)zaidixia120qianmichuxingchengde。zuanshijingtichanghanyoujiweiliangdeqitayuansu,qizhongzuichangjiandenai(n)hepeng(b)yuansu,naihepengyuansudechunzaihehanliangduoshaobujinjuedinglezuanshidetise,yejuedinglezuanshideleixingyijibufenwulixingzhi。
kandao“tan”zheigezi,bujinrangrenlianxiangdao“mutan”huo“shimo”,suiranshimoyuzuanshidehuaxuechengfenxiangtong,doushic,dantamendeneibuyuanzizhijiandepailiebutong,daozhizuanshichengweiziranjiezuiyingdekuangwu,ershimoquehenruan,xiangwomenxieziyongdeqianbibixinjiushishimo。renjianrenaidezuanshiyuwuqimoheide“shimo”,zaikuangwuxueshangbeichengwei“tongsuyixingti”,youxiangtongyuansudejiejing,danjiejingxingshibuxiangtong,zaibutongdewenduheyalitiaojianxia,xingchengzuanshiyushimo。
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