xueduyouchengweiwudianjiedu，yekeyichengweizicuihuadiandu。jutiguochengshizhi：zaiyidingtiaojianxia，shuirongyezhongdejinshulizibeihaiyuanjihaiyuan，bingqiechendiandaogutaijitibiaomianshangdeguocheng。zheiyiguochengyuzhihuandubutong，qiducengshikeyibuduanzenghoude，qieshidujinshubenshenyejuyoucuihuanengli。

yuanli

zaicuihuajifedecuihuazuoyongxia,rongyezhongdecilinsuangenzaicuihuabiaomiancuihuatuoqing,xingchenghuoxingqinghuawu,bingbeiyanghuachengyalinsuangen;huoxingqinghuawuyurongyezhongdenielizijinxinghaiyuanfanyingerchenjinie,qibenshenyanghuachengqingqi。ji:

2h2po2-+2h2o+ni2+→ni0+h2↑+4h++2hpo32-。

yucitongshi,rongyezhongdebufencilinsuangenbeiqinghuawuhaiyuanchengdanzhilinjinruduceng。ji:

h2po2-+[h+](cuihuabiaomian)→p+h2o+oh-,suoxingchengdehuaxueducengshiniphejin,chengfeijingtaibupianjiegou。