Elution

In chromatography, the washing out of an adsorbed material from a solid support, especially by conditions that assist displacement, e.g. salt concentration, altered pH.

gradient elution analysis

Chemistry; Analytical chemistry

A form of gas-liquid chromatography in which the eluting solvent is changed with time, either by gradually mixing a second solvent of greater eluting power with the first, less ...

idarubicin-eluting beads

Pharmaceutical; Cancer drugs

A sustained-release drug delivery embolization system containing small polymeric beads impregnated with the anthracycline antibiotic idarubicin with potential antineoplastic ...

lignite

Energy; Coal

Lignite is a soft brown type of coal, with characteristics that places it somewhere between hard coal and peat. Lignite has a lower energy content and different characteristics ...

zechstein

Energy; Coal

Formations containing salt that were laid down in the second part of the Permian Period, the salt has risen up under or through the overlying formations in many places, producing ...

coal measures

Energy; Coal

The various strata which contain seams of coal.

Tavan Tolgoi

Energy; Coal

Situated at South Gobi desert in Mongolia, Tavan Tolgoi is the world's largest untapped coking coal reserve with an estimated deposit of 6 billion metric tons of steelmaking coal. ...

ethanol 95 (E95)

Energy (non-renewable); Coal; Natural gas; Petrol

A fuel containing a mixture of 95 percent ethanol and 5 percent gasoline

acid deposition

Energy; Coal

Refers to both wet deposition and dry deposition. Both occur as a result of ammonium, carbon, nitrogen, and sulfur mixing with water molecules to create a higher acidity than the ...