Dirk Van der Hoff — (2 September, 1814 in Dordrecht, Netherlands, – 9 October, 1881 in Potchefstroom South Africa) was minister of the Nederduitsch Hervormde Kerk, one of the Dutch Reformed Churches in South Africa. Contents 1 Early life 2 Early years in South… … Wikipedia
microscopic reversibility, principle of — ▪ physics principle formulated about 1924 by the American scientist Richard C. Tolman that provides a dynamic description of an equilibrium condition. Equilibrium is a state in which no net change in some given property of a physical system … Universalium
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
Timeline of chemistry — lists important works, discoveries, ideas, inventions, and experiments that significantly changed mankind s understanding of the composition of matter and of the interactions thereof, the modern science known as chemistry. The history of… … Wikipedia
chemical kinetics — Introduction the branch of physical chemistry (chemistry) that is concerned with understanding the rates of chemical reactions (chemical reaction). It is to be contrasted with thermodynamics, which deals with the direction in which a… … Universalium
Список научных публикаций Альберта Эйнштейна — Альберт Эйнштейн (1879 1955) был известным специалистом по теоретической физике, который наиболее известен как разработчик общей и специальной теорий относительности. Он также внёс большой вклад в развитие статистической механики, особенно… … Википедия
Chemical equilibrium — In a chemical reaction, chemical equilibrium is the state in which the concentrations of the reactants and products have not yet changed with time. It occurs only in reversible reactions, and not in irreversible reactions. Usually, this state… … Wikipedia
science, history of — Introduction the history of science from its beginnings in prehistoric times to the 20th century. On the simplest level, science is knowledge of the world of nature. There are many regularities in nature that mankind has had to… … Universalium
Molecular model — A molecular model, in this article, is a physical model that represents molecules and their processes. The creation of mathematical models of molecular properties and behaviour is molecular modelling, and their graphical depiction is molecular… … Wikipedia
theory — A reasoned explanation of known facts or phenomena that serves as a basis of investigation by which to seek the truth. SEE ALSO: hypothesis, postulate. [G. theoria, a beholding, speculation, t., fr. theoros, a beholder] adsorption t. of narcosis… … Medical dictionary
De Stijl — This article is about the artistic movement. For the album by The White Stripes, see De Stijl (album). Red and Blue Chair designed by Gerrit Rietveld in 1917 De Stijl (Dutch pronunciation: [də ˈstɛɪl], (Dutch pronunciation: … Wikipedia