- allowedness
- 容许度
English-Chinese dictionary of mechanical engineering (英汉机械工程大词典). 2013.
allowedness
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Möbius–Hückel concept — The Möbius Hückel treatment is one of two predicting reaction allowedness versus forbiddeness. The concept is the counterpart of the Woodward Hoffmann approach. The methodology in this treatment utilizes the plus minus sign parity in proceeding… … Wikipedia
