Good's buffers — (also Good buffers) are twelve buffering agents selected and described by Norman Good and colleagues in 1966. Good selected the buffers based on a number of criteria which make them candidates for use in biochemistry and biological research. Many … Wikipedia
Mask (computing) — Signal masking redirects here. For other uses, see Masking (disambiguation). In computer science, a mask is data that is used for bitwise operations. Using a mask, multiple bits in a byte, nibble, word (etc.) can be set either on, off or inverted … Wikipedia
Human impacts on the nitrogen cycle — Agricultural and industrial nitrogen (N) inputs to the environment currently exceed inputs from natural N fixation (Galloway 2003). As a consequence of anthropogenic inputs, the global nitrogen cycle (Fig. 1) has been significantly altered over… … Wikipedia
World-systems theory — The world systems theory (also known as the world systems analysis[1]) is a multidisciplinary, macro scale approach to world history and social change.[1][2] The world systems theory stresses that world systems (and not nation states) should be… … Wikipedia
India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… … Universalium
volcano — /vol kay noh/, n., pl. volcanoes, volcanos. 1. a vent in the earth s crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals. 2. a mountain or hill, usually having a cuplike crater at the summit,… … Universalium
Chesapeake Bay Foundation — The Chesapeake Bay Foundation (CBF) is a non profit organization devoted to the restoration and protection of the Chesapeake Bay in the United States. It was founded in 1967 and has headquarters offices in Annapolis, Maryland. The foundation has… … Wikipedia
Natural Stress — Abiotic stress is stress produced by natural factors such as extreme temperatures, wind, drought, and salinity. Man doesn’t have much control over abiotic stresses. It is very important for humans to understand how stress factors affect plants… … Wikipedia
Natural stress — Abiotic stress is stress produced by natural factors such as extreme temperatures, wind, drought, and salinity. Man doesn’t have much control over abiotic stresses. It is very important for humans to understand how stress factors affect plants… … Wikipedia
Augustus — For other uses of Octavius, see Octavius (disambiguation). For other uses of Octavian, see Octavian (disambiguation). For other uses of Augustus, see Augustus (disambiguation) … Wikipedia
Aspirin — Asprin redirects here. For the author, see Robert Asprin. Aspirin … Wikipedia