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law of simple multiple proportions

(Encyclopedia)law of simple multiple proportions, in chemistry, the statement that when two or more elements form more than one compound, the ratio of the weights of one element that combine with a given weight of ...

Change to Win Federation

(Encyclopedia)Change to Win Federation, coalition of seven labor unions representing primarily American workers. It was founded in 2005 as the Change to Win Coalition by five American Federation of Labor and Congre...

fresco

(Encyclopedia)fresco frĕsˈkō [key] [Ital.,=fresh], in its pure form the art of painting upon damp, fresh, lime plaster. In Renaissance Italy it was called buon fresco to distinguish it from fresco secco, which w...

nationalization

(Encyclopedia)nationalization, acquisition and operation by a country of business enterprises formerly owned and operated by private individuals or corporations. State or local authorities have traditionally taken ...

chemical industry

(Encyclopedia)chemical industry, the business of using chemical reactions to turn raw materials, such as coal, oil, and salt, into a variety of products. During the 19th and 20th cent. technological advances in the...

Atomic Energy Agency, International

(Encyclopedia)Atomic Energy Agency, International (IAEA), independent intergovernmental organization established in 1957 under the aegis of the United Nations to promote safe, secure, and peaceful uses of atomic e...

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