Extended cycle combined hormonal contraceptive — Extended cycle combined hormonal contraceptives Background Birth control type Hormonal First use ? Pregnancy rates (first year) Perfect use ? Typical use ? … Wikipedia
Temperature-responsive polymer — A temperature responsive polymer is a polymer which undergoes a physical change when external thermal stimuli are presented. The ability to undergo such changes under easily controlled conditions makes this class of polymers fall into the… … Wikipedia
Temperature record of the past 1000 years — The temperature record of the past 1,000 years describes the reconstruction of temperature for the last 1000 years on the Northern Hemisphere. A reconstruction is needed because a reliable surface temperature record exists only since about 1850.… … Wikipedia
Extended X-Ray Absorption Fine Structure — EXAFS La spectroscopie EXAFS (Extended X Ray Absorption Fine Structure) est une technique d analyse de spectrométrie d absorption des rayons X utilisant principalement le rayonnement synchrotron. Elle apporte des informations sur l environnement… … Wikipédia en Français
Extended X-ray absorption fine structure — EXAFS La spectroscopie EXAFS (Extended X Ray Absorption Fine Structure) est une technique d analyse de spectrométrie d absorption des rayons X utilisant principalement le rayonnement synchrotron. Elle apporte des informations sur l environnement… … Wikipédia en Français
Fin (extended surface) — In the study of heat transfer, a fin is a surface that extends from an object to increase the rate of heat transfer to or from the environment by increasing convection. The amount of conduction, convection, or radiation of an object determines… … Wikipedia
Operating temperature — An operating temperature is the temperature at which an electrical or mechanical device operates. The device will operate effectively within a specified temperature range which varies based on the device function and application context, and… … Wikipedia
High-temperature superconductivity — Unsolved problems in physics What causes superconductivity at temperatures above 50 kelvin? High temperature superconductors (abbreviated high Tc or HTS) are materials that have a superconducting transition temperature (Tc) above 30 K… … Wikipedia
Geologic temperature record — The Geologic temperature record are changes in Earth s environment as determined from geologic evidence on multi million to billion (109) year time scales.Evidence for past temperaturesOur evidence for past temperatures comes mainly from isotopic … Wikipedia
Central England temperature — The Central England Temperature (CET) record was originally published by Professor Gordon Manley in 1953 and subsequently extended and updated in 1974, following many decades of painstaking work. The monthly mean surface air temperatures, for the … Wikipedia
Velocity landing extended — Vitesse maximale d un avion La vitesse maximale d un avion est la vitesse que l avion ne doit pas dépasser sous risque d être détruit, d être endommagé, de devenir incontrôlable ou plus généralement risquant de compromettre la sécurité du vol.… … Wikipédia en Français