Glossary entry

English term or phrase:

persistent foams

Slovak translation:

stabilné , tazko odburatelne peny

Oct 24, 2005 08:29
18 yrs ago
English term

persistent foams

English to Slovak Tech/Engineering Chemistry; Chem Sci/Eng
Data sheet of surface active chemicals

? tazko odstranitelne peny ?

Proposed translations

+1
1 hr
Selected

stabilné peny

"Foams are generally unstable; they are self-destroying. Foams increase the total energy at the interfacial region, the area between the solvent and surface active agent. Foams can be stable when the surface tension of the solution is much less than the surface tension of the solvent. Persistent foams need surface active agents. Foams have a strong surface elasticity and resist external and internal stresses."

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Note added at 1 day 2 hrs 10 mins (2005-10-25 10:40:10 GMT)
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Tento link je v cestine, tyka sa tej istej problematiky aku preklada Radoslava, pricom je tam pouzity vyraz "stabilni pena":
"Pěna je stabilní jen v systémech obsahujících povrchově aktivní látky, jako jsou např. smáčecí činidla nebo některá aditiva k regulaci povrchu..." http://www.efka.com/coatings/CZ1/CZ2/czech/theory/foam/ani4_...
Peer comment(s):

agree akkurat
15 mins
Something went wrong...
3 KudoZ points awarded for this answer. Comment: "OK/Dakujem. V texte ktory prekladam pouzijem obidva vyrazy, stabilne, tazko odburatelne peny."
1 day 1 hr

ažko odstránitežné peny, trvácne peny

Nepáči sa mi výraz "stabilita" v súvislosti s penou.
Peer comment(s):

neutral Jan Fatara : "Tazko odstranitelne p." je podla mna dost nevhodny vyraz, kedze ide o udrziavanie nemennej struktury peny, nie o jej vlastne "odstranovanie" (peny)... "Trvacne p." podla mna moze byt...
32 mins
Something went wrong...
1 day 12 hrs

perzistentne peny >>>

>>> perzistentný (lat.), chem. - ažko odburatežný, stály, trvalý

V uvedenom clanku www.engg.ksu.edu
1."Foams are generaly unstable, they are self-destroying...
2.Foams can be stable when the surface tention of the solution is much less than the surface tention of the solvent".
3.Persistent foams need surface active agents. Foams have a strong surface elasticity and resist external and internal stress.
Something went wrong...
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