When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Isostere - Wikipedia

    en.wikipedia.org/wiki/Isostere

    The isostere concept was formulated by Irving Langmuir in 1919, [3] and later modified by Grimm. Hans Erlenmeyer extended the concept to biological systems in 1932. [ 4 ] [ 5 ] [ 6 ] Classical isosteres are defined as being atoms, ions and molecules that had identical outer shells of electrons, This definition has now been broadened to include ...

  3. Bioisostere - Wikipedia

    en.wikipedia.org/wiki/Bioisostere

    Silafluofen is an isostere of pyrethroid insecticides. Silafluofen is an organosilicon analogue of pyrethroid insecticide Etofenprox , wherein a carbon center has been replaced by isosteric silicon, and in addition, one hydrogen atom is replaced by isosteric fluorine atom.

  4. Aromatic compound - Wikipedia

    en.wikipedia.org/wiki/Aromatic_compound

    Heteroarenes are aromatic compounds, where at least one methine or vinylene (-C= or -CH=CH-) group is replaced by a heteroatom: oxygen, nitrogen, or sulfur. [3] Examples of non-benzene compounds with aromatic properties are furan, a heterocyclic compound with a five-membered ring that includes a single oxygen atom, and pyridine, a heterocyclic compound with a six-membered ring containing one ...

  5. Furan - Wikipedia

    en.wikipedia.org/wiki/Furan

    Furan is a heterocyclic organic compound, consisting of a five-membered aromatic ring with four carbon atoms and one oxygen atom. Chemical compounds containing such rings are also referred to as furans. Furan is a colorless, flammable, highly volatile liquid with a boiling point close to room temperature.

  6. “Love It or List It ”Is Getting a New Designer After 19 ...

    www.aol.com/love-list-getting-designer-19...

    A new HGTV designer is taking the reins on Love It or List It!. Following longtime co-host Hilary Farr's announcement that she was leaving the show in 2023 after 19 seasons, the long-running HGTV ...

  7. Why there’s a huge collection of vintage cars stored in the ...

    www.aol.com/why-huge-collection-vintage-cars...

    A vast and eccentric collection of everything from vintage Rolls-Royces to an entire house relocated from Syria, the Sheikh Faisal Bin Qassim Al Thani Museum is worth a trip into the deserts of Qatar.

  8. Furfural - Wikipedia

    en.wikipedia.org/wiki/Furfural

    Furfural is used to make other furan derivatives, such as furoic acid, via oxidation, [30] and furan itself via palladium catalyzed vapor phase decarbonylation. [ 4 ] There is a good market for value added chemicals that can be obtained from furfural.

  9. I Have a Backyard Chicken Flock. Should I Worry About Bird Flu?

    www.aol.com/backyard-chicken-flock-worry-bird...

    If you are concerned about influenza in your flock, your veterinarian can also conduct a flu test. Limit Wild Bird Exposure: Fence in your chickens and use netting, tarp, wood, or another ...