Polyvinyl alcohol — Other names PVOH; Poly(Ethenol), Ethenol, homopolymer; PVA; Polyviol; Vinol; Alvyl; Alkotex; Covol; Gelvatol; Lemol; Mowiol … Wikipedia
PVN — can refer to:* An abbreviation for paraventricular nucleus of the hypothalamus * The Padvinders Vereniging Nederland (Pathfinder Association the Netherlands), one of the Scouting organisations that evolved into the national Scouting organisation… … Wikipedia
industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… … Universalium
Pyrotechnic composition — A pyrotechnic composition is a substance or mixture of substances designed to produce an effect by heat, light, sound, gas or smoke or a combination of these, as a result of non detonative self sustaining exothermic chemical reactions.… … Wikipedia
List of EC numbers (EC 1) — This list contains a list of EC numbers for the first group, EC 1, oxidoreducatases, placed in numerical order as determined by the Nomenclature Committee of the International Union of Biochemistry and Molecular Biology.EC 1.1 Acting on the CH OH … Wikipedia
explosive — explosively, adv. explosiveness, n. /ik sploh siv/, adj. 1. tending or serving to explode: an explosive temper; Nitroglycerin is an explosive substance. 2. pertaining to or of the nature of an explosion: explosive violence. 3. likely to lead to… … Universalium
chemical industry — Introduction complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives. Although the chemical industry may be described simply as the industry that uses chemistry and… … Universalium
Ion selective electrode — An ion selective electrode (ISE), also known as a specific ion electrode (SIE), is a transducer (or sensor) that converts the activity of a specific ion dissolved in a solution into an electrical potential, which can be measured by a voltmeter or … Wikipedia
Colored fire — is a common pyrotechnic effect used in stage productions, fireworks and by fire performers the world over. Generally, the color of a flame may be red, orange, yellow, or white, and is dominated by blackbody radiation from soot and steam. When… … Wikipedia
PHOTOGRAPHIE — La perception de l’apparence du monde matériel par notre organe visuel a comme support la lumière visible ou les autres radiations électromagnétiques, rendues visibles par l’intermédiaire de phénomènes auxiliaires. L’emploi direct de l’ensemble… … Encyclopédie Universelle