Showing posts with label oil. Show all posts
Showing posts with label oil. Show all posts
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.
Thursday, March 31, 2011
poise
The poise (symbol P; pronounced /ˈpwɑːz/) is the unit of dynamic viscosity in the centimetre gram second system of units. It is named after Jean Louis Marie Poiseuille.
- 1 P = 1 g·cm−1·s−1
Thursday, May 8, 2008
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synanthrope
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