Purification of water may be achieved by distillation. 水的净化可由蒸馏获得。
We may purge water by distillation. 我们可以用蒸馏法使水净化。
A liquid condensed from vapor in distillation. 蒸馏液;馏出物在蒸馏中,从蒸汽浓缩的液体
distillation
[ noun ]
the process of purifying a liquid by boiling it and condensing its vapors
<noun.process>
a purified liquid produced by condensation from a vapor during distilling; the product of distilling
<noun.substance>
Distillation \Dis`til*la"tion\ (d[i^]s`t[i^]l*l[=a]"sh[u^]n), n. [F. distillation, L. destillatio.] 1. The act of falling in drops, or the act of pouring out in drops.
2. That which falls in drops. [R.] --Johnson
3. (Chem.) The separation of the volatile parts of a substance from the more fixed; specifically, the operation of driving off gas or vapor from volatile liquids or solids, by heat in a retort or still, and the condensation of the products as far as possible by a cool receiver, alembic, or condenser; rectification; vaporization; condensation; as, the distillation of illuminating gas and coal, of alcohol from sour mash, or of boric acid in steam.
Note: The evaporation of water, its condensation into clouds, and its precipitation as rain, dew, frost, snow, or hail, is an illustration of natural distillation.
4. The substance extracted by distilling. --Shak.
{Destructive distillation} (Chem.), the distillation, especially of complex solid substances, so that the ultimate constituents are separated or evolved in new compounds, -- usually requiring a high degree of heat; as, the destructive distillation of soft coal or of wood.
{Dry distillation}, the distillation of substances by themselves, or without the addition of water or of other volatile solvent; as, the dry distillation of citric acid.
{Fractional distillation}. (Chem.) See under {Fractional}.
The Shell accident, at a 215,000 barrel-a-day capacity refinery along the Houston Ship Channel, occurred in a large distillation unit.
Performed outdoors in a 1,514-seat theater against the backdrop of a ruined abbey, the cycle is a distillation of the 48 Mystery plays written in the 14th century by the city's guilds and craftsmen.
But as far as Sweden is concerned, Norrbotten offers a distillation of the opposition to membership.
When the first legislation was introduced to govern spirit distillation in 1936, there were no pot stills left in Armagnac.
The interim report published yesterday was the result of six months of interviews with 200 City figures and the distillation of thousands of pages of statistics.
That draft is largely a distillation of policies from the 1984 GOP platform and stands that Bush has staked out on such issues as child care and education.
"In a certain sense we distilled them (the selections) out of Joe's distillation, a summary history of modern art in Europe and America.
There is a lot of heredity and tradition." The secret of perfume distillation reached Ireland in the 6th century and monks soon figured out how to use it for making whiskey.
The Metamorphosen are a distillation of his swirling, lush, Romantic style.
Naphtha is a highly flammable liquid that, like kerosene and gasoline, is produced through the distillation of petroleum.