So, molecular orbital theory, on the other hand, is based on quantum mechanics.

另一方面分子轨道理论，是基于量子力学的。

麻省理工公开课 - 化学原理课程节选

And specifically, MO theory is the quantum mechanical description of wave functions within molecules.

特别的，MO理论是,分子内波函数的描述。

麻省理工公开课 - 化学原理课程节选

Forget the usual discussions about quantum theory or the novels of Jane Austen and stick to just two questions: are you local?

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My desperation is lessened, however, by some of the more quantum physics theory which seems to suggest that, if at a sub-atomic level quarks can be in two places at once, then logically there must be a parallel universe where NZ were 130 all out and we are about to win.

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Between them, they have developed computational methods to crunch the numbers involved in quantum theory in ways that allow chemists to make sense of the behaviour of atoms as they bond together to form molecules.

ECONOMIST: The 1998 Nobel prizes