- major and trace elements
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makroelementi
English-Croatian dictionary. 2013.
English-Croatian dictionary. 2013.
Trace element — In analytical chemistry, a trace element is an element in a sample that has an average concentration of less than 100 parts per million measured in atomic count, or less than 100 micrograms per gram. In biochemistry, a trace element is a chemical … Wikipedia
Abundances of the elements (data page) — … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Abundance of the chemical elements — Estimated proportions of matter, dark matter and dark energy in the universe. Only the fraction of the mass and energy in the universe labeled atoms is composed of chemical elements. The abundance of a chemical element measures how relatively… … Wikipedia
Art, Antiques, and Collections — ▪ 2003 Introduction In 2002 major exhibitions such as Documenta 11 reflected the diverse nature of contemporary art: artists from a variety of cultures received widespread recognition for work ranging from installation to video to painting … Universalium
Anthropology and Archaeology — ▪ 2009 Introduction Anthropology Among the key developments in 2008 in the field of physical anthropology was the discovery by a large interdisciplinary team of Spanish and American scientists in northern Spain of a partial mandible (lower… … Universalium
Drum and bass — DnB redirects here. For the Norwegian bank, see DnB NOR. Drum and bass Stylistic origins Jungle, Breakbeat Hardcore, Hip Hop, Funk Cultural origins early/mid 1990s; Bristol and London, United Kingdom Typical instrume … Wikipedia
Orbital elements — are the parameters required to uniquely identify a specific orbit. In celestial mechanics these elements are generally considered in classical two body systems, where a Kepler orbit is used (derived from Newton s laws of motion and Newton s law… … Wikipedia
Plato: metaphysics and epistemology — Robert Heinaman METAPHYSICS The Theory of Forms Generality is the problematic feature of the world that led to the development of Plato’s Theory of Forms and the epistemological views associated with it.1 This pervasive fact of generality appears … History of philosophy
Multiple trace theory — (MTT) is a memory consolidation model advanced as an alternative model to strength theory. It posits that each time some information is presented to a person, it is neurally encoded in a unique memory trace composed of a combination of its… … Wikipedia
Agriculture and Food Supplies — ▪ 2007 Introduction Bird flu reached Europe and Africa, and concerns over BSE continued to disrupt trade in beef. An international vault for seeds was under construction on an Arctic island. Stocks of important food fish species were reported… … Universalium