polar bond

美 [ˈpoʊlər bɑːnd]英 [ˈpəʊlə(r) bɒnd]
  • 网络极性键;极性共价键;极性键结;按成键电子偏向
polar bondpolar bond
  1. It is probably that the conjugated plane of gossypol is inserted into the base pair pleated sheet of the DNA double helical structure to associate with thymine through weak polar bond .

    这表示棉酚很可能以共轭平面平行地插入到DNA分子双螺旋结构的碱基片层之间,与其中的胸腺嘧啶碱基以弱相互作用的极性键形成复合物。

  2. The film annealed in air is similar to silicon dioxide in structure . The appearance of polar bond Si-OH and the shrinkage of film cause the increase of dielectric constant .

    大气条件下退火的薄膜样品以类SiO2结构为主,强极性Si-OH键的生成和薄膜的剧烈收缩导致介电常数的上升。