- geochemical cycle of elements
- 地球化学的元素循环
English-Chinese geology dictionary (英汉地质大词典). 2013.
geochemical cycle of elements
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geochemical cycle — Developmental path followed by individual elements or groups of elements in the crustal and subcrustal zones of the Earth and on its surface. The concept encompasses geochemical differentiation (natural separation and concentration of elements)… … Universalium
cycle — /suy keuhl/, n., v., cycled, cycling. n. 1. any complete round or series of occurrences that repeats or is repeated. 2. a round of years or a recurring period of time, esp. one in which certain events or phenomena repeat themselves in the same… … 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
chemical element — Introduction also called element, any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed. This article considers the… … Universalium
hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… … Universalium
Robert Garrels — Robert Minard Garrels (August 24, 1916 – March 8, 1988) was an American geochemist. Garrels applied experimental physical chemistry data and techniques to geology and geochemistry problems. The book Solutions, Minerals, and Equilibria co authored … Wikipedia
Robert Garrels — Robert Minard Garrels (* 24. August 1916 in Detroit, Michigan; † 8. März 1988 in Saint Petersburg, Florida) war ein US amerikanischer Geochemiker. Garrels wendete Daten und Methoden der experimentellen physikalische Chemie auf Probleme der… … Deutsch Wikipedia
Robert M. Garrels — Robert Minard Garrels (* 24. August 1916 in Detroit, Michigan; † 8. März 1988 in Saint Petersburg, Florida) war ein US amerikanischer Geochemiker. Garrels wendete Daten und Methoden der experimentellen physikalische Chemie auf Probleme der… … Deutsch Wikipedia
Robert Minard Garrels — (* 24. August 1916 in Detroit, Michigan; † 8. März 1988 in Saint Petersburg, Florida) war ein US amerikanischer Geochemiker. Garrels wendete Daten und Methoden der experimentellen physikalische Chemie auf Probleme der Geologie und Geochemie an.… … Deutsch Wikipedia
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… … Universalium
