elemental area
21graphic design — the art or profession of visual communication that combines images, words, and ideas to convey information to an audience, esp. to produce a specific effect. * * * The art and profession of selecting and arranging visual elements such as… …
22Copper indium gallium selenide solar cells — Copper indium gallium selenide (CuIn1 xGaxSe2 or CIGS) is a direct bandgap semiconductor useful for the manufacture of solar cells. Because the material strongly absorbs sunlight, a much thinner film is required than of other semiconductor… …
23Humacao (Puerto Rico) — Este artículo o sección necesita referencias que aparezcan en una publicación acreditada, como revistas especializadas, monografías, prensa diaria o páginas de Internet fidedignas. Puedes añadirlas así o avisar …
24surface analysis — ▪ chemistry Introduction in analytical chemistry (chemistry), the study of that part of a solid that is in contact with a gas or a vacuum. When two phases of matter are in contact, they form an interface. The term surface is usually… …
25Dorado (Puerto Rico) — Saltar a navegación, búsqueda Municipio de Dorado [[Image:|120px|Bandera oficial de Municipio de Dorado]] [[Image:|70px|Escudo oficial deMunicipio de Dorado]] Bandera del Municipio Escudo del Municipio …
26Ethereal being — Water nymph by John Collier, 1923. Ethereal beings, according to some belief systems and occult theories, are mystic entities that usually are not made of ordinary matter. Despite the fact that they are believed to be essentially incorporeal,… …
27Empedocles — M.R.Wright INTRODUCTION Empedocles was a native of Acragas (Agrigento) in Sicily, a Doric colony founded on the south coast of the island in the sixth century BC, which soon grew to rival Syracuse in its prosperity. A line of temples, many of… …
28Pandemia de gripe A (H1N1) de 2009 en Estados Unidos — Saltar a navegación, búsqueda Artículos principales: Pandemia de gripe A (H1N1) de 2009 y Pandemia de gripe A (H1N1) de 2009 en América Pandemia de gripe A (H1N1) en los Estados Unidos de América …
29Mercury regulation in the United States — is a set of laws and regulations limiting the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. These laws and regulations are promulgated by U.S. Federal Agencies such as the Environmental Protection… …
30Mayagüez — Municipio de Puerto Rico …
