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  2. Fukui function - Wikipedia

    en.wikipedia.org/wiki/Fukui_function

    The Fukui function is named after Kenichi Fukui, who investigated the frontier orbitals described by the function, specifically the HOMO and LUMO. [3] Fukui functions are related in part to the frontier molecular orbital theory (also known as the Fukui theory of reactivity and selection, also developed by Kenichi Fukui) which discusses how nucleophiles attack the HOMO while at the same time ...

  3. Frontier molecular orbital theory - Wikipedia

    en.wikipedia.org/wiki/Frontier_molecular_orbital...

    The HOMO of butadiene and the LUMO of ethene are both antisymmetric (rotationally symmetric), meaning the reaction is allowed.* In terms of the stereoselectivity of the reaction between maleic anhydride and cyclopentadiene, the endo-product is favored, a result best explained through FMO theory. The maleic anhydride is an electron-withdrawing ...

  4. Kenichi Fukui - Wikipedia

    en.wikipedia.org/wiki/Kenichi_Fukui

    Kenichi Fukui (福井 謙一, Fukui Ken'ichi, October 4, 1918 – January 9, 1998) was a Japanese chemist. [1] He became the first person of East Asian ancestry to be awarded the Nobel Prize in Chemistry when he won the 1981 prize with Roald Hoffmann , for their independent investigations into the mechanisms of chemical reactions .

  5. English-Arabic Parallel Corpus of United Nations Texts

    en.wikipedia.org/wiki/English-Arabic_Parallel...

    It consists of two subcorpora; one contains the English originals and the other their Arabic translations. As for the English subcorpus, it contains 3,794,677 word tokens, with 78,606 word types. The Arabic subcorpus has a slightly fewer word tokens (3,755,741), yet differs greatly in terms of the number of word types, which is 143,727.

  6. Almaany - Wikipedia

    en.wikipedia.org/wiki/Almaany

    It has Arabic to English translations and English to Arabic, as well as a significant quantity of technical terminology. It is useful to translators as its search results are given in context. [ 6 ] Almaany offers correspondent meanings for Arabic terms with semantically similar words and is widely used in Arabic language research. [ 7 ]

  7. Fukui (surname) - Wikipedia

    en.wikipedia.org/wiki/Fukui_(surname)

    Fukui (Japanese: 福井) is a Japanese name meaning "fortunate" or sometimes "one who is from the Fukui prefecture". Notable people with the surname include: Kenichi Fukui (福井 謙一, 1918–1998), physical chemist who was awarded the Nobel Prize in Chemistry in 1981

  8. Powerful quake rocks Japan, nearly 100,000 residents ... - AOL

    www.aol.com/news/massive-earthquake-strikes...

    TOKYO (Reuters) -A powerful earthquake struck central Japan on Monday, killing at least one person, destroying buildings, knocking out power to tens of thousands of homes and prompting residents ...

  9. Modern Arabic mathematical notation - Wikipedia

    en.wikipedia.org/wiki/Modern_Arabic_mathematical...

    Modern Arabic mathematical notation is a mathematical notation based on the Arabic script, used especially at pre-university levels of education. Its form is mostly derived from Western notation, but has some notable features that set it apart from its Western counterpart.