- non-luminous flame
- Цемент: окислительное пламя
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Flame test — A flame test is a procedure used in chemistry to detect the presence of certain metal ions, based on each element s characteristic emission spectrum. The color of flames in general also depends on temperature; see flame color.The test involves… … Wikipedia
Bunsen burner — Infobox Laboratory equipment name = Bunsen Burner caption = A Bunsen Burner with needle valve. The hose barb for the gas tube is facing left and the needle valve for gas flow adjustment is on the opposite side. The air inlet on this particular… … Wikipedia
Coal gasification — is the process of producing coal gas, a type of syngas–a mixture of carbon monoxide (CO), hydrogen (H2), carbon dioxide (CO2) and water vapour (H2O)–from coal. Coal gas, which is a combustible gas, was traditionally used as a source of energy for … Wikipedia
Anthracite — An thra*cite, n. [L. anthracites a kind of bloodstone; fr. Gr. ? like coals, fr. ?, ?, coal or charcoal. Cf. {Anthrax}.] A hard, compact variety of mineral coal, of high luster, differing from bituminous coal in containing little or no bitumen,… … The Collaborative International Dictionary of English
BUNSEN BURNER — a small gas jet above which is screwed a brass tube with holes at the bottom of it to let in air, which burns with the gas, and causes at the top a non luminous flame; largely used in chemical operations … The Nuttall Encyclopaedia
Bunsen burner — /bʌnsən ˈbɜnə / (say bunsuhn bernuh) noun a type of gas burner with which a very hot, practically non luminous flame is obtained by allowing air to enter at the base and mix with the gas. {named after RW Bunsen} …
Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… … Wikipedia
Coal gas — Towngas redirects here. For the company in Hong Kong trading as Towngas , see The Hong Kong and China Gas Company Limited. See also: Coal gasification and Coal seam gas Coal gas (also town gas and illumination gas) is a flammable gaseous… … Wikipedia
Glass tube — Glass tubes or glass tubing are hollow pieces of borosilicate glass used in laboratory glassware. They are commercially available in various thicknesses and lengths, according to known standards. Glass tubes can be cut by scoring with a diamond… … Wikipedia
Nichrome — is a non magnetic alloy of nickel, chromium, and often iron, usually used as a resistance wire. Patented in 1905, it is the oldest documented form of resistance heating alloy. A common alloy is 80% nickel and 20% chromium, by mass, but there are… … Wikipedia
literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… … Universalium