integral with respect to x from a to b
41Robert W. Welch Jr. — Robert Henry Winborne Welch Jr. (December 1, 1899 January 6, 1985) was an American anti communist and co founder of the John Birch Society. Biography Welch was born in rural Chowan County, North Carolina. He was a gifted child who received his… …
42Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …
43Color vision — White light shone onto a green surface is perceived as green by the human eye, and processed as such in the brain s visual cortex …
44Jordan's lemma — in complex analysis is a powerful tool used frequently when evaluating contour integrals, and real integrals from ∞ to +∞.Consider a function of the form: ::f(z)=e^{iaz} g(z),Jordan s Lemma states that::lim {R o infty} int {C 1} f(z), dz = 0 quad …
45Demographics of France — With a total fertility rate of 2.01 (in 2010),[1] France is the most fertile country in the European Union after Ireland …
46MEDICINE — From the beginning of their history until modern times Jews have exercised a tremendous influence on the development of medical science. They have always been solicitous in their care for the sick and held the medical profession in great esteem.… …
47analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
48Hilbert space — For the Hilbert space filling curve, see Hilbert curve. Hilbert spaces can be used to study the harmonics of vibrating strings. The mathematical concept of a Hilbert space, named after David Hilbert, generalizes the notion of Euclidean space. It… …
49nature, philosophy of — Introduction the discipline that investigates substantive issues regarding the actual features of nature as a reality. The discussion here is divided into two parts: the philosophy of physics and the philosophy of biology. In this… …
50mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …
