sulfate mineral waters
61Gold — This article is about the metal. For the color, see Gold (color). For other uses, see Gold (disambiguation). platinum ← gold → mercury …
62Hydrogen sulfide — Systematic name …
63Industrial wastewater treatment — covers the mechanisms and processes used to treat waters that have been contaminated in some way by anthropogenic industrial or commercial activities prior to its release into the environment or its re use.Most industries produce some wet waste… …
64calcium — /kal see euhm/, n. Chem., Biol. a silver white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element… …
65pierre — [ pjɛr ] n. f. • 1080; lat. petra 1 ♦ LA PIERRE : matière minérale solide, dure, qui se rencontre à l intérieur ou à la surface de l écorce terrestre en masses compactes. ⇒ roche ; lith(o) , lithe; lapidifier, pétrifier. Bloc, quartier de pierre …
66atmosphere — atmosphereless, adj. /at meuhs fear /, n., v., atmosphered, atmosphering. n. 1. the gaseous envelope surrounding the earth; the air. 2. this medium at a given place. 3. Astron. the gaseous envelope surrounding a heavenly body. 4. Chem. any… …
67water — 1. H2O; a clear, odorless, tasteless liquid, solidifying at 32°F (0°C, 0°R), and boiling at 212°F (100°C, 80°R), that is present in all animal and vegetable tissues and dissolves more substances than any other liquid. See volume. 2. Euphemism for …
68Desert — Not to be confused with dessert. This article is about dry terrain. For the act of abandoning or withdrawing support, see desertion. For other uses, see Desert (disambiguation) …
69organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… …
70Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
