Search on: FILTRATION 
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Descriptor English:   Filtration 
Descriptor Spanish:   Filtración 
Descriptor Portuguese:   Filtração 
Synonyms English:   Filtrations  
Tree Number:   E05.196.454
Definition English:   A process of separating particulate matter from a fluid, such as air or a liquid, by passing the fluid carrier through a medium that will not pass the particulates. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) 
Indexing Annotation English:   includes filtration of fluids, gases & radiations; not for electrical or electronic filtering; filters: index FILTRATION / instrum but note MICROPORE FILTERS and AIR FILTERS are available
History Note English:   70; FILTERS was see under FILTRATION 1970-74, was heading 1963-69 
Allowable Qualifiers English:  
CL classification EC economics
ES ethics HI history
IS instrumentation MT methods
ST standards SN statistics & numerical data
TD trends VE veterinary
Record Number:   5510 
Unique Identifier:   D005374 

Occurrence in VHL: