Sunday, April 3, 2011

Asphaltenes

Asphaltenes are molecular substances that are found in crude oil, along with resins, aromatic hydrocarbons, and alkanes (i.e., saturated hydrocarbons). The word "asphaltene" was coined by Boussingault in 1837 when he noticed that the distillation residue of some bitumens had asphalt-like properties. Asphaltenes in the form of distillation products from oil refineries are used as "tar-mats" on roads.
at
Labels:

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

talk nineteen to the dozen

  to speak rapidly and without stopping

  • abstemious
    Marked by, or spent in, abstinence ; as, an abstemious life.
  • Nureongi
    Nureongi (누렁이) and Hwangu (황구; 黃狗) are Korean terms meaning "Yellow Dog" used to refer to tannish mongrel or landrace of dog in...
  • n-gram vs. engram
    Engrams are a hypothetical means by which memory traces are stored as biophysical or biochemical changes in the brain (and other neural...