Microscopic traffic flow model — Microscopic traffic flow models are a class of scientific models of vehicular traffic dynamics. In contrast to macroscopic models, microscopic traffic flow models simulate single vehicle driver units, thus the dynamic variables of the models… … 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
reaction mechanism — Introduction in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… … Universalium
Autocatalytic reaction — Autocatalytic reactions are chemical reactions in which at least one of the products is also a reactant. The rate equations for autocatalytic reactions are fundamentally nonlinear. This nonlinearity can lead to the spontaneous generation of order … Wikipedia
Pericyclic reaction — In organic chemistry, a pericyclic reaction is a type of organic reaction wherein the transition state of the molecule has a cyclic geometry, and the reaction progresses in a concerted fashion. Pericyclic reactions are usually rearrangement… … Wikipedia
Quellung reaction — The Quellung reaction is a biochemical reaction in which antibodies bind to the capsule of Streptococcus pneumoniae and thus allow it to be visualized under a microscope. If the reaction is positive, the capsule becomes opaque and appears to… … Wikipedia
Feulgen reaction — n the development of a brilliant purple color by DNA in a microscopic preparation stained with a modified Schiff s reagent * * * a method of demonstrating the presence of DNA in cell nuclei. The tissue section under investigation is first… … Medical dictionary
Feul|gen reaction — «FOYL guhn», a method of staining for microscopic examination, which colors a nucleic acid purple and leaves the remainder of a cell colorless, used in the study of the nuclei of cells, especially to determine the presence and location of… … Useful english dictionary
Feulgen reaction — noun Etymology: Robert Feulgen died 1955 German physiologist Date: 1928 the development of a brilliant purple color by DNA in a microscopic preparation stained with a modified Schiff s reagent … New Collegiate Dictionary
feulgen reaction — ˈfȯilgən noun Usage: usually capitalized F Etymology: after Robert Feulgen b1884 German physiologist : the development of a purplish color in a microscopic preparation hydrolyzed and stained with a modified Schiff reagent that is considered to… … Useful english dictionary