Sentence examples for but extraction from inspiring English sources

A few gold mines operated before the country gained independence, but extraction is now largely restricted to panning by individuals.

Many dessert wines improve during cask aging, particularly sweet sherries, but extraction of excessive wood flavour must be avoided.

There is evidence that meteorites were used as a source of iron before 3000 bc, but extraction of the metal from ores dates from about 2000 bc.

Energy is an essential input to nearly every human activity, but extraction and utilization of energy resources have profound effects on the environment.

But extraction and revenue from the Powder River Basin mines went up - and company officials say they could ship out even more coal if they could just get the trains to run on time.

Standards for healthy rivers are debated, but extraction of more than 20% of flows typically results in adverse changes to biodiversity and the benefits people derive from clean water.

In C60 incorporated into artificial lipid membranes, it was not extracted to toluene, but the extraction became possible once the vesicle was destructed by adding KCl [15].

There are various ways of extracting oil from oilseeds but solvent extraction has been reported to be most efficient techniques [10].

Extracting data from computerised secondary and GP healthcare records was feasible, but automatic extraction of data from social care records was not.

AP: We have huge reserves of heavy oils in this continent, but their extraction is difficult.

"We drilled less wells this year, but our extraction rose as productivity rose," the chief executive, Sergei Bogdanchikov, said.