gaseous+substance

См. также в других словарях:

• gaseous substance — dujinė medžiaga statusas T sritis ekologija ir aplinkotyra apibrėžtis Tokios agregatinės būsenos medžiaga, kai molekulių sąveikos energija mažesnė už jų kinetinę energiją. atitikmenys: angl. gaseous substance vok. gasförmiger Stoff, m rus.… …   Ekologijos terminų aiškinamasis žodynas

• Gaseous diffusion — is a technology used to produce enriched uranium by forcing gaseous uranium hexafluoride, UF6, through semi permeable membranes. This produces a slight separation between the molecules containing uranium 235 and uranium 238. By use of a large… …   Wikipedia

• Gaseous — Gas e*ous (? or ?; 277), a. [From {Gas}. Cf. F. gazeux.] 1. In the form, or of the nature, of gas, or of an a[ e]riform fluid. [1913 Webster] 2. Lacking substance or solidity; tenuous. Unconnected, gaseous information. Sir J. Stephen. [1913… …   The Collaborative International Dictionary of English

• Gaseous fire suppression — Canisters containing argon gas for use in extinguishing fire in a server room without damaging equipment. Gaseous fire suppression is a term to describe the use of inert gases and chemical agents to extinguish a fire. Also called Clean Agent Fire …   Wikipedia

• Gaseous spectrum — Spectrum Spec trum, n.; pl. {Spectra}. [L. See {Specter}.] 1. An apparition; a specter. [Obs.] [1913 Webster] 2. (Opt.) (a) The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and… …   The Collaborative International Dictionary of English

• gaseous — adjective Date: 1799 1. having the form of or being gas; also of or relating to gases 2. a. lacking substance or solidity b. gassy 3 < trick phrases and gaseous circumlocutions Edwin Newman > • gaseousness noun …   New Collegiate Dictionary

• gaseous diffusion — /gæsiəs dəˈfjuʒən/ (say gaseeuhs duh fyoohzhuhn) noun the gradual permeation of the molecules of one substance by the molecules of a gas, as a result of random molecular movement …  

• Amount of substance — is a standards defined quantity that measures the size of an ensemble of elementary entities, such as atoms, molecules, electrons, and other particles. It is sometimes referred to as chemical amount. The International System of Units (SI) defines …   Wikipedia

• chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium

• Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …   Wikipedia

• hydrogen — /huy dreuh jeuhn/, n. a colorless, odorless, flammable gas that combines chemically with oxygen to form water: the lightest of the known elements. Symbol: H; at. wt.: 1.00797; at. no.: 1; density: 0.0899 g/l at 0°C and 760 mm pressure. [1785 95;… …   Universalium