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  2. National Council of Educational Research and Training

    en.wikipedia.org/wiki/National_Council_of...

    The material is press-ready and may be printed by paying a 5% royalty, and by acknowledging NCERT. [11] The textbooks are in color-print and are among the least expensive books in Indian book stores. [11] Textbooks created by private publishers are priced higher than those of NCERT. [11]

  3. NCERT textbook controversies - Wikipedia

    en.wikipedia.org/wiki/NCERT_textbook_controversies

    The deletions also affected Biology and Chemistry textbooks as the theory of evolution and the periodic table were also purged from class 10 NCERT textbooks. [ 40 ] [ 41 ] In April 2024, the NCERT revised its Political Science curriculum for grades 11 and 12.

  4. Perry's Chemical Engineers' Handbook - Wikipedia

    en.wikipedia.org/wiki/Perry's_Chemical_Engineers...

    LC Class TP151 .P45 2008 Perry's Chemical Engineers' Handbook (also known as Perry's Handbook , Perry's , or The Chemical Engineer's Bible ) [ 1 ] [ 2 ] was first published in 1934 and the most current ninth edition was published in July 2018.

  5. IUPAC nomenclature of organic chemistry - Wikipedia

    en.wikipedia.org/wiki/IUPAC_nomenclature_of...

    The secondary functional groups are: a hydroxy- at carbon 5, a chloro- at carbon 11, a methoxy- at carbon 15, and a bromo- at carbon 18. Grouped with the side chains, this gives 18-bromo-12-butyl-11-chloro-4,8-diethyl-5-hydroxy-15-methoxy. There are two double bonds: one between carbons 6 and 7, and one between carbons 13 and 14.

  6. The Golden Book of Chemistry Experiments - Wikipedia

    en.wikipedia.org/wiki/The_Golden_Book_of...

    [1] The book was also believed to be a source of inspiration to David Hahn, nicknamed "the Radioactive Boy Scout" by the media, who attempted to construct a nuclear reactor in his mother's shed, [2] although the book does not include any nuclear reactions. Due to safety concerns, the book was eventually pulled from library shelves. [3]

  7. Guru–shishya tradition - Wikipedia

    en.wikipedia.org/wiki/Guru–shishya_tradition

    Parātpara-guru: Refer to guru who is the source of knowledge for sampradaya or tradition, e.g. for the Śankaracharya's this is Vedavyāsa. Parameṣṭhi-guru: Refer to the highest guru, who has the power to bestow mokṣa, e.g. for the Śankaracharya's this is usually depicted as Lord Śiva, being the highest guru.

  8. Chaitanya Mahaprabhu - Wikipedia

    en.wikipedia.org/wiki/Chaitanya_Mahaprabhu

    Krishna-Caitanya, His Life and His Teachings (2014; English; ISBN 978-91-981318-1-9) By Walther Eidlitz , originally written in German - Kṛṣṇa-Caitanya: sein Leben und seine Lehre, and published by Stockholm University , 1968, as a part of the scientific series "Stockholm studies in comparative religion".

  9. B. K. S. Iyengar - Wikipedia

    en.wikipedia.org/wiki/B._K._S._Iyengar

    B.K.S. Iyengar was born into a poor Sri Vaishnava Iyengar family [10] in Bellur, Kolar district, [11] Karnataka, India. He was the 11th of 13 children (10 of whom survived) born to Sri Krishnamachar, a school teacher, and Sheshamma. [ 12 ]