Source-sink dynamics — is a theoretical model used by ecologists to describe how variation in habitat quality may affect the population growth or decline of organisms. Since quality is likely to vary among patches of habitat, it is important to consider how a low… … Wikipedia
Sink (disambiguation) — Sink may refer to:* Sink, a bowl shaped fixture, usually made of porcelain or stainless steel, that is used for washing hands or small objects * Sink (geography), an area of dry land below sea level, for example the Salton Sink * Sink… … Wikipedia
sink — sink1 verb (past sank; past participle sunk) 1》 go down below the surface of liquid; become submerged. ↘(with reference to a ship) go or cause to go to the bottom of the sea. 2》 fail and not be seen or heard of again. ↘cause to fail.… … English new terms dictionary
Carbon sink — A carbon sink is reservoir of carbon that accumulates and stores carbon for an indefinite period. The main natural sinks are: # Absorption of carbon dioxide by the oceans # Photosynthesis by plants and algae The process by which carbon sinks… … Wikipedia
Air source heat pumps — An air source heat pump is a type of heat pump which use the outside air as a heat source or heat sink to heat or cool an interior space. Air source heat pumps are more efficient than oil, gas, and electric resistance heating in mild climates… … Wikipedia
Deep water source cooling — Schematic of a deep water heat sink Schematic of the system on … Wikipedia
Nitrogen nutrition in the arbuscular mycorrhizal system — Contents 1 Role of nitrogen 1.1 Mechanism of action 1.2 Community and ecology 1.3 Alternate theories … Wikipedia
Traffic Collision Avoidance System — The Traffic alert and Collision Avoidance System (or TCAS) is an aircraft collision avoidance system designed to reduce the incidence of mid air collisions between aircraft. It monitors the airspace around an aircraft for other aircraft equipped… … Wikipedia
Mail-sink — Smtp sink is a utility program in the Postfix Mail package that implements a black hole function.. It listens on the named host (or address) and port. It accepts SMTP messages from the network and discards them. The purpose is to support… … Wikipedia
Current source — Figure 1: An ideal current source, I, driving a resistor, R, and creating a voltage V A current source is an electrical or electronic device that delivers or absorbs electric current. A current source is the dual of a voltage source. The term… … Wikipedia
Tripartite System — The Tripartite System, known colloquially as the grammar school system, was the structure by which secondary education was organised in England and Wales between the 1944 Butler Education Act and the Education Act 1976, and in Northern Ireland… … Wikipedia