nonluminous flame

См. также в других словарях:

• flame reaction — noun : the characteristic coloration that certain chemical elements or their compounds impart to a nonluminous flame (as yellow from sodium or green from copper) …   Useful english dictionary

• flame spectrum — noun : the spectrum obtained by volatilizing substances in a nonluminous flame …   Useful english dictionary

• Bunsen burner — a type of gas burner, commonly used in chemical laboratories, with which a very hot, practically nonluminous flame is obtained by allowing air to enter at the base and mix with the gas. [1865 70; named after R. W. BUNSEN] * * *   device for… …   Universalium

• Sodium — This article is about the chemical element. For the PlayStation Home game, see Sodium (PlayStation Home). neon ← sodium → magnesium Li ↑ Na ↓ K …   Wikipedia

• lamp — lampless, adj. /lamp/, n. 1. any of various devices furnishing artificial light, as by electricity or gas. Cf. fluorescent lamp, incandescent lamp. 2. a container for an inflammable liquid, as oil, which is burned at a wick as a means of… …   Universalium

• methanol — /meth euh nawl , nol /, n. Chem. See methyl alcohol. [1890 95; METHANE + OL1] * * * or methyl alcohol or wood alcohol Simplest of the alcohols, chemical formula CH3OH. Once produced by destructive distillation of wood, it is now usually made from …   Universalium

• blue gas — noun : uncarbureted water gas burning with a blue nonluminous flame that is used chiefly as a synthesis gas and as a source of hydrogen distinguished from blau gas * * * Chem. See water gas. [1900 05] * * * blue gas, = water gas. (Cf. ↑water gas) …   Useful english dictionary

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium