PSR - Potential Support Ratio

См. также в других словарях:

• Potential support ratio — The potential support ratio (PSR) is the number of people age 15 64 per one older person aged 65 or older. This ratio describes the burden placed on the working population (unemployment and children are not considered in this measure) by the non… …   Wikipedia

• PSR — The three letter acronym PSR may refer to: *Pulsar, a kind of star *Abruzzo International Airport (IATA airport code) *Portuguese Sign Language (ISO 639 3 language code) *Pacific School of Religion *Posthumous sperm retrieval *Potential support… …   Wikipedia

• Togo — <p></p> <p></p> Introduction ::Togo <p></p> Background: <p></p> French Togoland became Togo in 1960. Gen. Gnassingbe EYADEMA, installed as military ruler in 1967, ruled Togo with a heavy hand for… …   The World Factbook

• Rwanda — <p></p> <p></p> Introduction ::Rwanda <p></p> Background: <p></p> In 1959, three years before independence from Belgium, the majority ethnic group, the Hutus, overthrew the ruling Tutsi king. Over… …   The World Factbook

• Nobel Prizes — ▪ 2009 Introduction Prize for Peace       The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …   Universalium

• Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …   Universalium

• astronomy — /euh stron euh mee/, n. the science that deals with the material universe beyond the earth s atmosphere. [1175 1225; ME astronomie ( < AF) < L astronomia < Gk. See ASTRO , NOMY] * * * I Science dealing with the origin, evolution, composition,… …   Universalium

• Europa (moon) — Europa Europa s trailing hemisphere in approximate natural color. The prominent crater in the lower right is Pwyll and the darker regions are areas where Europa s primarily water ice surface has a higher mineral content. Imaged on September 7,… …   Wikipedia

• Rwanda — Rwandan, adj., n. /rooh ahn deuh/, n. a republic in central Africa, E of the Democratic Republic of the Congo: formerly comprising the N part of the Belgian trust territory of Ruanda Urundi; became independent 1962. 7,737,537; 10,169 sq. mi.… …   Universalium

• Microplasma — A microwave microplasma jet Microplasmas are plasmas of small dimensions, ranging from tens to thousands of micrometers. They can be generated at a variety of temperatures and pressures, existing as either thermal or non thermal plasmas. Non… …   Wikipedia

• Supernova — This article is about the astronomical event. For other uses, see Supernova (disambiguation). Multiwavelength X ray, infrared, and optical compilation image of Kepler s supernova remnant, SN 1604. A supernova is a stellar explosion that is more… …   Wikipedia