valence

英 [ˈvæləns]

美 [ˈveɪləns]

n.  效价；期望值（人事管理术语）; 价；原子价；化合价；效价

复数：valences　过去式：valenced　

化学

BNC.29315 / COCA.23410

英英释义

noun

• (chemistry) a property of atoms or radicals
  Synonym:valency
• (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate
  Synonym:valency

双语例句

• And by now, I mean the valence electrons.
  迄今为止，我指的是价电子。
• So, what if we capture all of the valence electrons.
  但是如果我们捕获了所有价电子又怎样呢。
• Having more than one valence.
  多价的具有一个以上的化合价的。
• This is the valence, the charge on the cation times I will common factor this.
  这是价电子，阳离子的电荷乘以，共同因子。
• Halogen atoms contain seven electrons in their valence shell, and, consequently, are monovalent.
  卤原子在它们的价电子层含有七个电子，因此是一价的。
• Valence is a sleepy little town just south of Lyon.
  瓦朗斯是里昂南面一座寂静的小镇。
• In the band structure, one band that is completely filled with electrons is termed valence band.
  在能带结构中，完全填满电子的带被称为价带。
• Hole-Similar to a positive charge, this is caused by the absence of a valence electron.
  空穴-和正电荷类似，是由缺少价电子引起的。
• Then it says, count all the valence electrons.
  然后它说，考虑所有的价电子。
• So what we should have is8 valence electrons in our Lewis structure.
  所以Lewis结构里，有8个价电子。