Heart rate variability — (HRV) is a measure of the beat to beat variations in heart rate. It is usually calculated by analyzing a time series of beat to beat intervals from the ECG or of beat to beat intervals derived from an arterial pressure tracing.Various measures of … Wikipedia
variabilité de l'activité — veiklos kintamumas statusas T sritis Švietimas ir mokslas apibrėžtis Veiklos charakteristika, kuria apibūdinama technologinė ir organizacinė jos plėtra, tobulinimo perspektyvos. Sprendžiant apie veiklos kintamumą žiūrima, kiek ji yra pastovi ir… … Aiškinamasis kvalifikacijų sistemos terminų žodynas
veiklos kintamumas — statusas T sritis Švietimas ir mokslas apibrėžtis Veiklos charakteristika, kuria apibūdinama technologinė ir organizacinė jos plėtra, tobulinimo perspektyvos. Sprendžiant apie veiklos kintamumą žiūrima, kiek ji yra pastovi ir kiek besikeičianti.… … Aiškinamasis kvalifikacijų sistemos terminų žodynas
Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… … Universalium
Solar variation — Solar variations are changes in the amount of solar radiation emitted by the Sun. There are periodic components to these variations, the principal one being the 11 year solar cycle (or sunspot cycle), as well as aperiodic fluctuations. Solar… … Wikipedia
Attribution of recent climate change — Further information: Global warming, Climate change, and Climate change denial Attribution of recent climate change is the effort to scientifically ascertain mechanisms responsible for recent changes observed in the Earth s climate … Wikipedia
Little Ice Age — The reconstructed depth of the Little Ice Age varies between different studies (anomalies shown are from the 1950–80 reference period). The Little Ice Age (LIA) was a period of cooling that occurred after the Medieval Warm Period (Medieval… … Wikipedia
climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… … Universalium
Global warming controversy — refers to a variety of disputes, significantly more pronounced in the popular media than in the scientific literature,[1][2] regarding the nature, causes, and consequences of global warming. The disputed issues involve the causes of increased… … Wikipedia
CYP2D6 — Cytochrome P450, family 2, subfamily D, polypeptide 6 PDB rendering based on 2f9q … Wikipedia
