fluxing zone

  • 1Wave soldering — is a large scale soldering process by which electronic components are soldered to a printed circuit board (PCB) to form an electronic assembly. The name is derived from the use of waves of molten solder to attach metal components to the PCB. The… …

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  • 2Brazing — 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… …

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  • 3Silurian Period — Interval of geologic time, 443–417 million years ago. The third period of the Paleozoic Era, the Silurian follows the Ordovician Period and precedes the Devonian. It marks the first appearance of land plants and jawed fishes. The continents were… …

    Universalium

  • 4traditional ceramics — Introduction       ceramic materials that are derived from common, naturally occurring raw materials such as clay minerals and quartz sand. Through industrial processes that have been practiced in some form for centuries, these materials are made …

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  • 5ГОСТ 17325-79: Пайка и лужение. Основные термины и определения — Терминология ГОСТ 17325 79: Пайка и лужение. Основные термины и определения оригинал документа: 57. Абразивно кавитационное лужение Ультразвуковое лужение припоем, содержащим частицы твердого материала Определения термина из разных документов:… …

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  • 6Chelyabinsk Oblast — Челябинская область (Russian)   Oblast   …

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  • 7blast furnace — a large vertical furnace for smelting iron from ore, using coke as fuel: designed so as to direct a continuous blast of air through the fuel in order to obtain a high rate of combustion. [1700 10] * * * Vertical shaft furnace that produces liquid …

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  • 8structural clay products — Introduction       ceramic products intended for use in building construction. Typical structural clay products are building brick, paving brick, terra cotta facing tile, roofing tile, and drainage pipe. These objects are made from commonly… …

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  • 9Pegmatite — is a very coarse grained igneous rock that has a grain size of 20 mm or more; such rocks are referred to as pegmatitic .Most pegmatites are composed of quartz, feldspar and mica; in essence a granite . Rarer intermediate and mafic pegmatite… …

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  • 10Diatomaceous earth — A sample of diatomaceous earth Diatomaceous earth (  / …

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