et PER 1 valgu efektiivsuse koefitsient, valgu efektiivsuse aste
a system of rating the quality of dietary protein by the number and proportions of the essential amino acids contained in it
et PER 2 tetrakloroeteen, tetrakloroetüleen, perkloroeteen, perkloroetüleen, C2Cl4
a colourless, non-flammable, toxic liquid, C2Cl4, which is widely used as a solvent, esp. in dry-cleaning fluid, and medicinally for the treatment of worm infestations, a colourless nonflammable volatile liquid, CCl2 = CCl2; r.d. 1.6; m.p. –22°C; b.p. 121°C
en per 1
osutab mingile alale, hulgale vm, milles esineb või mille suhtes arvestatakse mingi teine hulk
en PER 1 protein efficiency ratio, protein efficiency rating, protein efficiency rate
a system of rating the quality of dietary protein by the number and proportions of the essential amino acids contained in it

PER

abbreviation

Terminological databases

EKI terminibaas Esterm

ID 707734 Last modified 15.10.2024

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Domain Chemistrychemical technologydangerous substances

tetrakloroeteen

tetrakloroetüleen

perkloroeteen

perkloroetüleen

PER

C2Cl4

tetrachloroethene

tetrachloroethylene

perchloroethylene

perchloroethene

ethylene tetrachloride

PCE

C2Cl4

CCl2 = CCl2

Cl2C=CCl2

a colourless, non-flammable, toxic liquid, C2Cl4, which is widely used as a solvent, esp. in dry-cleaning fluid, and medicinally for the treatment of worm infestations
a colourless nonflammable volatile liquid, CCl2 = CCl2; r.d. 1.6; m.p. –22°C; b.p. 121°C

tetrakloroeteen

Usage examples

Lenduvad orgaanilised ühendid (VOC). Uuringus võetud põhjaveeproovides analüüsiti lenduvatest orgaanilistest ühenditest tetrakloroeteen (tetrakloroetüleen, perkloroeteen), tetraklorometaan (süsiniktetrakloriid), trikloroeteen (trikloroetüleen), triklorometaan (kloroform), 1,1,1-trikloroetaan, 1,2-dikloroetaan, bromodiklorometaan, dibromoklorometaan, diklorometaan, tribromometaan (bromoform), benseen, m/p-ksüleen, o-ksüleen, etüülbenseen, tolueen ja stüreen.

tetrakloroetüleen

Usage examples

Tetrakloroetüleen (C2Cl4) on suhteliselt lenduv, värvitu, eetri lõhnaga vedelik. Seda kasutatakse puhastusvahendites rasva eemaldajana metallpindadelt, tööstusliku lahustina, tekstiilitööstuses, värvitööstuses ja muudes puhastusvahendites. Peamine kokkupuude toimub kas sisse hingates, joogivee või toidu kaudu.

perkloroeteen

perkloroetüleen

PER abbreviation

C2Cl4 formula

tetrachloroethene

tetrachloroethylene

perchloroethylene

perchloroethene

ethylene tetrachloride

PCE abbreviation

C2Cl4 formula

CCl2 = CCl2 formula

Cl2C=CCl2 formula

in the EU's IATE term base

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PER

Terminological databases

EKI terminibaas Esterm

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