Browse Reference Articles
281 to 290 of 410 articles
-
Ethanol fuel
The use of ethanol as a fuel for internal combustion engines, either alone or in combination with other fuels, has been given much attention mostly because of its possible environmental and long-term ... > more -
Methyl tert-butyl ether
MTBE (methyl tertiary-butyl ether) is a chemical compound that is manufactured by the chemical reaction of methanol and isobutylene. MTBE is produced in very large quantities (more than 200,000 ... > more -
Mass spectrometry
Mass spectrometry is an analytical technique used to measure the mass-to-charge ratio of ions. It is most generally used to find the composition of a physical sample by generating a mass spectrum ... > more -
Oil refinery
An oil refinery is an industrial process plant where crude oil is processed and refined into useful petroleum products. Raw oil or unprocessed ("crude") oil is not very useful in the form it comes in ... > more -
Quantum dot
A quantum dot is a semiconductor nanostructure that confines the motion of conduction band electrons, valence band holes, or excitons (bound pairs of conduction band electrons and valence band holes) ... > more -
Lewis structure
Lewis structures, also called electron-dot structures or electron-dot diagrams, are diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the ... > more
Search ScienceDaily
Number of stories in archives: 137,313

