surface impurity concentration
41United Kingdom — a kingdom in NW Europe, consisting of Great Britain and Northern Ireland: formerly comprising Great Britain and Ireland 1801 1922. 58,610,182; 94,242 sq. mi. (244,100 sq. km). Cap.: London. Abbr.: U.K. Official name, United Kingdom of Great… …
42Coprecipitation — In chemistry, coprecipitation (CPT) or co precipitation is the carrying down by a precipitate of substances normally soluble under the conditions employed.[1] Analogously, in medicine, coprecipitation is specifically the precipitation of an… …
43Properties of water — H2O and HOH redirect here. For other uses, see H2O (disambiguation) and HOH (disambiguation). This article is about the physical and chemical properties of pure water. For general discussion and its distribution and importance in life, see Water …
44Germanium — (pronEng|dʒɚˈmeɪniəm) is a chemical element with the symbol Ge and atomic number 32. It is a lustrous, hard, silver white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon. Germanium has five naturally… …
45Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …
46MIKVEH — (Heb. מִקְוֶה; pl. mikva ot; Hebrew for a collection or gathering (of water), a pool or bath of clear water, immersion in which renders ritually clean a person who has become ritually unclean through contact with the dead (Num. 19) or any other… …
47MOSFET — Two power MOSFETs in the surface mount package D2PAK. Operating as switches, each of these components can sustain a blocking voltage of 120 volts in the OFF state, and can conduct a continuous current of 30 amperes in the ON state, dissipating up …
48lead processing — Introduction preparation of the ore for use in various products. Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …
49SYNAGOGUE — This article is arranged according to the following outline. origins and history until the first century first century c.e. middle ages modern period …
50Fullerene — Buckminsterfullerene C60 (left) and carbon nanotubes (right) are two examples of structures in the fullerene family …
