Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The filtration of a solution or colloidal substance through a semipermeable medium that allows only the passage of small molecules.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun
Filtration through asemipermeable membrane which only allows smallmolecules through.
Etymologies
Sorry, no etymologies found.
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Examples
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Among other improvements, the team employed a process called ultrafiltration to separate small amounts of bone collagen from material that would pollute the samples.
latimes.com - News 2010
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Among other improvements, the team employed a process called ultrafiltration to separate small amounts of bone collagen from material that would pollute the samples.
latimes.com - News 2010
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Among other improvements, the team employed a process called ultrafiltration to separate small amounts of bone collagen from material that would pollute the samples.
latimes.com - News 2010
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An MBR combines an ultrafiltration membrane with a system where micro-organisms break down waste.
High-Tech Cures for Water Shortages Michael Totty 2010
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The ultrafiltration system takes out all the bad stuff (rust, chlorine, trihalomethane gases, fluoride, heavy metals, chemicals, etc.) and keeps all the good stuff (magnesium, calcium, other naturally occurring minerals).
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The lactose is removed from the milk by an ultrafiltration process rather than by lactase, so for some reason the dessert legally cannot be called "ice cream."
Archive 2007-10-01 Steve Carper 2007
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Teodoro maintained that the "Siemens has developed the Water Technology to secure the future through resources management while the microfitration and ultrafiltration technology have the capacities to treat more than 1.5 billion gallons of water per day."
Siemens' New Technology To Rid Nigeria Of Water-borne Diseases 2009
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The lactose is removed from the milk by an ultrafiltration process rather than by lactase, so for some reason the dessert legally cannot be called "ice cream."
Sugar-Free Frozen Dairy Dessert Steve Carper 2007
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“And the preparation was purified by ultrafiltration,” Brennerman added.
Fatal Care Goldberg, Leonard 2001
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So we purified several batches by ultrafiltration.
Fatal Care Goldberg, Leonard 2001
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