coordinate activity
51Acid dissociation constant — Acetic acid, a weak acid, donates a proton (hydrogen ion, high …
52Socialism — This article is about socialism as an economic system and political philosophy. For socialism as a specific stage of socioeconomic development in Marxist theory, see Socialism (Marxism) …
53Signal transduction — In biology, signal transduction refers to any process by which a cell converts one kind of signal or stimulus into another. Most processes of signal transduction involve ordered sequences of biochemical reactions inside the cell, which are… …
54Mental chronometry — For Ian Lowe s book, see Reaction Time (book). Reaction time redirects here. For the biological mechanism, see Reflex. Mental chronometry is the use of response time in perceptual motor tasks to infer the content, duration, and temporal… …
55Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
56pedagogy — /ped euh goh jee, goj ee/, n., pl. pedagogies. 1. the function or work of a teacher; teaching. 2. the art or science of teaching; education; instructional methods. [1575 85; < Gk paidagogía office of a child s tutor. See PEDAGOGUE, Y3] * * *… …
57international trade — Introduction economic transactions that are made between countries. Among the items commonly traded are consumer goods, such as television sets and clothing; capital goods, such as machinery; and raw materials and food. Other transactions… …
58Lorentz transformation — A visualisation of the Lorentz transformation (full animation). Only one space coordinate is considered. The thin solid lines crossing at right angles depict the time and distance coordinates of an observer at rest with respect to that frame; the …
59Nervous system — Nerve redirects here. For other uses, see Nerve (disambiguation). This article is about the nervous system. For parts of the nervous system commonly called nerves, see Peripheral nerve. Nervous system The Human N …
60Food safety in the People's Republic of China — Food safety is a growing concern in Chinese agriculture. China s principal crops are rice, corn, wheat, soybeans, and cotton in addition to apples and other fruits and vegetables. [USDA. [http://www.ers.usda.gov/briefing/china/keystatistics.htm… …
