carbonate-organic polymer
51Cell wall — A cell wall is a tough, flexible and sometimes fairly rigid layer surrounding a cell, located external to the cell membrane, which provides the cell with structural support, protection, and acts as a filtering mechanism. A major function of the… …
52Phoenix (spacecraft) — This article is about the Mars lander. For the Star Trek spacecraft, see Phoenix (Star Trek). For other uses, see Phoenix (disambiguation). Phoenix Mars Mission Artist s impression of the Phoenix spacecraft as it lands on Mars Operator NASA …
53Sodium polystyrene sulfonate — Systematic (IUPAC) name Poly(4 vinylbenzenesulfonate metal salt) Clinical data AHFS/ …
54battery — /bat euh ree/, n., pl. batteries. 1. Elect. a. Also called galvanic battery, voltaic battery. a combination of two or more cells electrically connected to work together to produce electric energy. b. cell (def. 7a). 2. any large group or series… …
55Battery — /bat euh ree/, n. The, a park at the S end of Manhattan, in New York City. Also called Battery Park. * * * Any of a class of devices, consisting of a group of electrochemical cells (see electrochemistry), that convert chemical energy into… …
56Portal:Chemistry — Wikipedia portals: Culture Geography Health History Mathematics Natural sciences People Philosophy Religion Society Technology …
57Solvent — For other uses, see Solvent (disambiguation). A solvent (from the Latin solvō, “I loosen, untie, I solve”) is a liquid, solid, or gas that dissolves another solid, liquid, or gaseous solute, resulting in a solution that is soluble in a certain… …
58Reverse osmosis — Schematics of a reverse osmosis system (desalination) using a pressure exchanger. 1: Sea water inflow, 2: Fresh water …
59nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… …
60printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
