reducing flame
11Diffusion flame — In a diffusion flame, combustion takes place at the flame surface only, where the fuel meets oxygen in the right concentration the interior of the flame contains unburnt fuel. This is opposite to combustion in a premixed flame. The fire breather… …
12Восстановительное пламя — Reducing flame Восстановительное пламя. (1) Газовое пламя, образовавшееся при избытке топлива. (2) Газовое пламя, образующееся при горении смеси, содержащей слишком много топлива или слишком мало воздуха. (Источник: «Металлы и сплавы.… …
13oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… …
14Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
15Brazing — This article is about the metal joining process. For the cooking technique, see braising. Brazing practice Brazing is a metal joining process whereby a filler metal is heated above and distributed between two or more close fitting parts by… …
16Magnetic nanoparticles — are a class of nanoparticle which can be manipulated using magnetic field. Such particles commonly consist of magnetic elements such as iron, nickel and cobalt and their chemical compounds. While nanoparticles are smaller than 1 micrometer in… …
17Bead test — The bead test is a traditional part of qualitative inorganic analysis to test for the presence of certain metals. The oldest one is the borax bead test or blister test. It was introduced by Berzelius in 1812.[1] Since then other salts were used… …
18Color of chemicals — The color of chemicals is a physical property of chemicals that in most cases comes from the excitation of electrons due to an absorption of energy performed by the chemical. What is seen by the eye is not the color absorbed, but the… …
19welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved …
20Goethite — Infobox mineral name = Goethite category = boxwidth = boxbgcolor = imagesize = caption = Goethite,from Minas Gerais, Brazil formula = α IronOxygen(Hydroxide) molweight = color = Yellowish to reddish to dark brown habit = system = Orthorhombic… …
