Sentence examples for refining has been from inspiring English sources

For example, refining has been doing well, but the petrochemical part of the business hasn't.

Zone refining has been utilized as the ultimate purification technique for hundreds of substances, but it has the disadvantage of being a relatively slow process.

The liquid-solid transformation will probably continue as the main thrust of zone melting, but successful zone refining has been demonstrated in vapour-solid and solid-solid transformations.

In Singapore, where oil refining has been a major industry, export earnings are hurt because lower crude prices are reflected in lower prices for refined products.

That steady refining has been obvious in its regular visits to the Proms, too, but Barenboim and his orchestra's latest appearance at the Royal Albert Hall was extra special, because of the soloist who was appearing with them.

Except for a brief period from 2004 to 2008, refining has been an unprofitable business, which explains why no new refinery has been built in the United States in decades.

TIANJIN, China — In northern China, near the Mongolian border, radioactively contaminated leaks from two decades of rare earth refining have been slowly trickling underground toward the Yellow River, a crucial water source for 150 million people.

Tariffs on raw sugar (cane and beet) for refining have been reduced from 24percentto5percentcent.

Mild effects on saccharification by disc refining have been reported [ 10].

Despite these limitations, exposure to inorganic lead, non-arsenical insecticides and work in petroleum refining have been identified as relevant occupational risk factors for brain cancer.

To increase the overall ethanol yield and lower the MESP, deacetylation and mechanical refining have been introduced and investigated in the current research to overcome the limitations of lower-severity dilute acid pretreatments.