- bicarbonate hardness
- бикарбонатная жёсткость* * *бикарбонатная жёсткость (воды)
Англо-русский строительный словарь. 2013.
Англо-русский строительный словарь. 2013.
hardness — /hahrd nis/, n. 1. the state or quality of being hard: the hardness of ice. 2. a relative degree or extent of this quality: wood of a desirable hardness. 3. that quality in water that is imparted by the presence of dissolved salts, esp. calcium… … Universalium
hardness — hard•ness [[t]ˈhɑrd nɪs[/t]] n. 1) the state or quality of being hard 2) chem. that quality in water that is imparted by the presence of dissolved salts, esp. calcium sulfate or bicarbonate 3) mir the comparative ability of a substance to scratch … From formal English to slang
Carbonate hardness — is the measure of Calcium and Magnesium and other hard ions associated with carbonate (CO32 ) and bicarbonate (HCO3 ) ions contained in a solution, usually water. It is usually expressed either as parts per million (ppm or mg/L), or in degrees… … Wikipedia
temporary hardness — noun the presence in water of mineral salts (chiefly calcium bicarbonate) that are removed by boiling … English new terms dictionary
бикарбонатная жёсткость — — [А.С.Гольдберг. Англо русский энергетический словарь. 2006 г.] Тематики энергетика в целом EN bicarbonate hardness … Справочник технического переводчика
Hard water — is the type of water that has high mineral content (in contrast with soft water ). Hard water minerals primarily consist of calcium (Ca2+), and magnesium (Mg2+) metal cations, and sometimes other dissolved compounds such as bicarbonates and… … Wikipedia
Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… … Wikipedia
hard water — water that contains magnesium, calcium, or iron salts and therefore forms a soap lather with difficulty. * * * Water that contains mineral salts of calcium and magnesium, principally as bicarbonates, chlorides, and sulfates, and sometimes iron.… … Universalium
Calcium carbonate — Calcium carbonate … Wikipedia
Dealkalization of water — The dealkalization of water refers to the removal of alkalinity ions from water. Chloride cycle anion ion exchange dealkalizers remove alkalinity from water. Chloride cycle dealkalizers operate similar to sodium cycle cation water softeners. Like … Wikipedia
Natron — is a naturally occurring mixture of sodium carbonate decahydrate (Na2CO3·10H2O, a kind of soda ash) and about 17% sodium bicarbonate (also called nahcolite[1] o … Wikipedia