bis-

英['bɪs] 美['bɪs]
  • [医]二;两个;两次;双
名词 bi:
  1. a heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals

    1. Six dimethylsilyl bis -- enol ethers of aldehydes aresynthesized and the yields are good.
      合成了六个醛的二甲硅基双烯醇醚,产率较高。
    【近义词】
    • bi- 表示“二(倍)...