full+of+impurities
61Wootz steel — Wootz is a steel characterized by a pattern of bands or sheets of micro carbides within a tempered martensite or pearlite matrix. It was developed in India around 300 BC [ [http://materials.iisc.ernet.in/ wootz/heritage/WOOTZ.htm IISC] ] . The… …
62Cooling tower — Natural draft wet cooling hyperboloid towers at Didcot Power Station, UK …
63Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG …
64Bloomery — A bloomery is a type of furnace once widely used for smelting iron from its oxides. The bloomery was the earliest form of smelter capable of smelting iron. A bloomery s product is a porous mass of iron and slag called a bloom . This mix of slag… …
65Cocamidopropyl betaine — Lauramidopropyl betaine Lauramidopropyl betaine, the major component of cocamidopropyl betaine IUPAC name …
66Gran plot — NOTOC NOEDITSECTION The equivalence volume is used to compute whichever of [H^+] {0^{ or [OH^ ] {0^{ is unknown. The pH meter is usually calibrated with buffer solutions at known pH values before starting the titration. The ionic strength can be… …
67Chlorine production — This article presents the industrial and laboratory methodologies to prepare elemental chlorine. Contents 1 Gas extraction 1.1 Mercury cell electrolysis 1.2 Diaphragm cell electrolysis (Bipolar) …
68J. D. Salinger — Photograph by Lotte Jacobi, 1950 Born Jerome David Salinger January 1, 1919(1919 01 01) New York City, New York, United States Died …
69Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
70Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
