effective well radius

См. также в других словарях:

• Effective medium approximations — or effective medium theory (sometimes abbreviated as EMA or EMT) are physical models that describe the macroscopic properties of a medium based on the properties and the relative fractions of its components. They can be discrete models such as… …   Wikipedia

• Well test — This article discusses water well testing; the testing of other wells, eg. petroleum wells, is a separate field.A well test is conducted to evaluate the amount of water that can be pumped from a particular water well. More specifically, a well… …   Wikipedia

• Earth radius — The Earth s shape, like that of all major planets, approximates a sphere. A true sphere has a unique radius, but on Earth the distance from the mean sea level at each point on the surface to the center (the radius of the Earth at a point on the… …   Wikipedia

• Atomic radius — Diagram of a helium atom, showing the electron probability density as shades of gray. The atomic radius of a chemical element is a measure of the size of its atoms, usually the mean or typical distance from the nucleus to the boundary of the… …   Wikipedia

• Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… …   Wikipedia

• LeRoy radius — The LeRoy radius, as proposed by Robert J. LeRoy, defines the internuclear distance between two atoms at which LeRoy Bernstein theory (sometimes called near dissociation theory) becomes valid. LeRoy Bernstein theory is a semiclassical (WKB)… …   Wikipedia

• Hand grenade — M67 fragmentation grenade, a widely used modern hand grenade. A hand grenade is any small bomb that can be thrown by hand. Hand grenades are classified into three categories, explosive grenades, chemical and gas grenades.[1] Explosive grenades… …   Wikipedia

• radioactivity — /ray dee oh ak tiv i tee/, n. Physics, Chem. the phenomenon, exhibited by and being a property of certain elements, of spontaneously emitting radiation resulting from changes in the nuclei of atoms of the element. Also called activity. [1895… …   Universalium

• Metal ions in aqueous solution — A metal ion in aqueous solution is a cation, dissolved in water, of chemical formula [M(H2O)n]z+. The solvation number, n, determined by a variety of experimental methods is 4 for Li+ and Be2+ and 6 for elements in rows 3 and 4 of the periodic… …   Wikipedia

• General relativity — For a generally accessible and less technical introduction to the topic, see Introduction to general relativity. General relativity Introduction Mathematical formulation Resources …   Wikipedia

• Mechanoid (GaoGaiGar) — In the anime and manga series The King of Braves GaoGaiGar and The King of Braves GaoGaiGar FINAL, a Mechanoid is the result of a performed synchronization (or Fusion ) between a natural or semi artificial life form (such as a Cyborg) and an… …   Wikipedia