Sometimes subtle changes in the structure of a protein can convert it from an active state into an inactive state.

有时蛋白质结构上一些很小的变化,就能将其由激活态转变为非激活态

耶鲁公开课 - 生物医学工程探索课程节选

So I said that this technique was used to experimentally determine what the different binding energies or the different ionization energies are for the different states in a multielectron atom.

我说过，这项技术被用来,在实验上确定多电子原子的,各个不同态相应的束缚能,或者电离能。

麻省理工公开课 - 化学原理课程节选