hydrogens

英 [ˈhaɪdrɪdʒənz]

美 [ˈhaɪdrədʒənz]

n.  氢; 氢气
hydrogen的复数

化学

双语例句

• The states of active hydrogens, the hindered rotation within molecules and the kinetic phenomena of tautomerism have also been discussed.
  还对分子内的受阻旋转、活泼氢状态以及互变异构体的动力学现象作了讨论。
• Those that are aligned perpendicular to the plane are called axial hydrogens.
  与平面垂直定向的氢叫做直立氢。
• Three Hydrogens Rearrangement of 7-Piperazine-8-N-Quinolone
  7-哌嗪-8-N-喹诺酮酸的三氢重排
• Generally, in Mannich reaction aldehydes, ketones or aromatic compounds containing active hydrogens as acid components and secondary amines as alkaline components were utilized.
  但一般Mannich反应都是以醛、酮或含活泼氢的芳烃作为酸性组分，二级胺为碱性组分。
• A methane molecule is composed of one carbon atom attached to four hydrogens.
  甲烷分子由1个碳原子与4个氢原子构成。
• The reaction rates decrease withincrease of the degree of chlorination, which implies that the substituted chlorine atoms hinder the neighboring hydrogens to be further replaced.
  试验结果表明，氯代反应速度随产物氯化度提高而减慢，说明已取代的氯原子对邻近氢进一步被取代有阻碍作用；
• The head group of soluble additives formed hydrogen bonds with the hydrogens in the hydroxyl and amine groups at the asphaltene surface.
  可溶性添加物通过头部官能团与沥青质表面杂原子的羟基和氨基中的氢形成分子间氢键，从而吸附在沥青质表面。
• Here are two hydrogens, and they both look the same.
  把另一个放在这里，他们看起来是一样的。
• We've got an electron from each of the hydrogens.
  然后我们从氢原子那得到了两个电子。
• Those that are aligned in the place are called equatorial hydrogens.
  那些在平面上定向的氢叫做平伏氢。