Scouring


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scouring

[′skau̇r·iŋ]
(engineering)
Physical or chemical attack on process equipment surfaces, as in a furnace or fluid catalytic cracker.
(geology)
An erosion process resulting from the action of the flow of air, ice, or water.
(materials)
(mechanical engineering)
Mechanical finishing or cleaning of a hard surface by using an abrasive and low pressure.
(textiles)
Removal of grease and dirt from wool.
The cleaning of fabric before the dyeing step.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Scouring

 

the heating of cotton and linen fabrics in solution of alkalies at atmospheric or increased pressure to remove impurities and to prepare the fabrics for bleaching, dyeing, or printing. The most effective method is dynamic scouring, which is performed at atmospheric pressure and about 90°C by continuous movement of the fabric through a solution containing sodium hydroxides, sodium bisulfite, and sodium silicate.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

scouring

Using a wood float, in a circular motion, to smooth freshly applied mortar or plaster.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Figure (6) shows the effects of slot in reduction of scouring at different Froude numbers of 0.19, 0.23, 0.26 and 0.31 and at four slot distances from tip X/La = 0.25, 0.42, 0.58 and 0.75 with fixed slot width and the height of the slot (Y = [y.sub.0]).
Mechanism of Scouring and the Effects of Collars and Geobags
'It can take from 10 to 30 years for a shallow ecosystem to recover from a scouring event; deepwater episodes where communities of deepwater sponges and soft corals are damaged may take hundreds of years to recover,' he says, likening the effects to a bushfire.
In addition, the pressurized accelerated flow can create severe potential for scour because scouring the channel bed is one of the only ways for a river to dissipate energy and reach equilibrium when it is carrying a given discharge under pressurized flow.
Standard procedures of scouring cotton materials involve alkali treatment, usually with NaOH.
Once they reach their destination, the team spends three to five days scouring the area's soil, trees, plants, and rotten logs for ants.
Peissel, a French anthropologist who speaks Tibetan, is an intrepid explorer, scouring the inhospitable mountainous terrain of the Himalayan plateau on foot and on horseback to reach the fortresses, chapels, monasteries and temples he has meticulously recorded for this book.
Some researchers are scouring nature to find organisms with antibiotic properties that have been overlooked.
After scouring the text for background on earthquakes, tsunamis and population dynamics and sharing videos about tsunamis, Cape guided students through an interdisciplinary project.
Where even higher energy waves were accompanied by significant scouring, most of the two storey structures in tsunami prone areas failed through the undermining of foundation.
According to Blood (2002), the mere task of scouring the Internet for articles relating to the blog topic every day (or week) makes the blogger an expert.