enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. AN/PYQ-10 - Wikipedia

    en.wikipedia.org/wiki/AN/PYQ-10

    The AN/PYQ-10 Simple Key Loader (SKL) is a ruggedized, portable, hand-held fill device, for securely receiving, storing, and transferring data between compatible cryptographic and communications equipment.

  3. (Diacetoxyiodo)benzene - Wikipedia

    en.wikipedia.org/wiki/(Diacetoxyiodo)benzene

    c 6 h 6 + i 2 + 2 ch 3 co 2 h + k 2 s 2 o 8 → c 6 h 5 i(o 2 cch 3) 2 + ki + h 2 so 4 + khso 4 The PIDA molecule is termed hypervalent as its iodine atom (technically a hypervalent iodine ) is in its +III oxidation state and has more than typical number of covalent bonds . [ 9 ]

  4. LibreTexts - Wikipedia

    en.wikipedia.org/wiki/LibreTexts

    LibreTexts' current primary support is from the 2018 Open Textbook Pilot Program award from the Department of Education Organization Act. [7] [10] [5] [11] FIPSE [12] Other funding comes from the University of California Davis, the University of California Davis Library, [5] and the California State University System both through MERLOT and its Affordable Learning Solutions (AL$) program.

  5. Quenching (fluorescence) - Wikipedia

    en.wikipedia.org/wiki/Quenching_(fluorescence)

    Dexter (also known as Dexter exchange or collisional energy transfer, colloquially known as Dexter Energy Transfer) is another dynamic quenching mechanism. [12] Dexter electron transfer is a short-range phenomenon that falls off exponentially with distance (proportional to e −kR where k is a constant that is the inverse of the sum of both van der Waals radius of the atom over 2 [13]) and ...

  6. Chemistry - Wikipedia

    en.wikipedia.org/wiki/Chemistry

    Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.

  7. The Feynman Lectures on Physics - Wikipedia

    en.wikipedia.org/.../The_Feynman_Lectures_on_Physics

    In March 1964, Feynman appeared once again before the freshman physics class as a lecturer, but the notes for this particular guest lecture were lost for a number of years. They were finally located, restored, and made available as Feynman's Lost Lecture: The Motion of Planets Around the Sun .

  8. Alchemy - Wikipedia

    en.wikipedia.org/wiki/Alchemy

    Zosimos of Panopolis asserted that alchemy dated back to Pharaonic Egypt where it was the domain of the priestly class, though there is little to no evidence for his assertion. [27] Alchemical writers used Classical figures from Greek, Roman, and Egyptian mythology to illuminate their works and allegorize alchemical transmutation. [ 28 ]

  9. Lab Pe Aati Hai Dua - Wikipedia

    en.wikipedia.org/wiki/Lab_Pe_Aati_Hai_Dua

    Lab Pe Aati Hai Dua" (Urdu: لب پہ آتی ہے دعا; also known as "Bachche Ki Dua"), is a duʿā or prayer, in Urdu verse authored by Muhammad Iqbal in 1902. [1] The dua is recited in morning school assemblies almost universally in Pakistan , [ 2 ] [ 3 ] and in Urdu-medium schools in India .