water hardness
41permanent hardness — noun : the part of the total hardness of water that persists after boiling distinguished from temporary hardness …
42Ayvaz Water — Niksar Ayvaz Water is a natural spring water. The spring is located in the town of Ayvaz, which is near Niksar in Turkey. Ayvaz water is the second water of the world in terms of quality and it has made the Ayvaz village a mineral spa… …
43permanent hardness — /pɜmənənt ˈhadnəs/ (say permuhnuhnt hahdnuhs) noun hardness of water which is not destroyed by boiling …
44Hard water — Hard Hard (h[aum]rd), a. [Compar. {Harder} ( [ e]r); superl. {Hardest}.] [OE. hard, heard, AS. heard; akin to OS. & D. hard, G. hart, OHG. herti, harti, Icel. har[eth]r, Dan. haard, Sw. h[*a]rd, Goth. hardus, Gr. kraty s strong, ka rtos, kra tos …
45total hardness — a measure of the total amount of magnesium and calcium salts dissolved in water including carbonates and non carbonates …
46permanent hardness — noun the presence in water of mineral salts (chiefly calcium sulphate) that are not removed by boiling …
47temporary hardness — noun the presence in water of mineral salts (chiefly calcium bicarbonate) that are removed by boiling …
48dGH — water hardness expressed in degrees of hardness. 0 4 is very soft, 5 8 soft, up to 30 which is extremely hard water …
49Жесткость воды — ► water hardness Качество воды, обусловленное количеством растворенных в ней солей Са и Мg. Различают общую, временную, или устранимую, и постоянную жесткость. Временная жесткость обусловлена присутствие бикарбонатов и карбонатов кальция и магния …
50Anubias — Taxobox name = Anubias image width = 240px image caption = Anubias barteri var. nana on a bogwood (top view) regnum = Plantae divisio = Magnoliophyta classis = Liliopsida ordo = Alismatales familia = Araceae genus = Anubias genus authority =… …
