energy budget equation
31Dioxyde de carbone — Structure du dioxyde de carbone …
32El Niño-Southern Oscillation — El Niño redirects here. For other uses, see El Niño (disambiguation). ENSO redirects here. For other uses, see Enso (disambiguation). The 1997 El Niño observed by TOPEX/Poseidon. The white areas off the tropical coasts of South and North America… …
33Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …
34Calorimetry — is the science of measuring the heat of chemical reactions or physical changes. Calorimetry involves the use of a calorimeter. The word calorimetry is derived from the Latin word calor , meaning heat. Scottish physician and scientist Joseph Black …
35Ocean acidification — Change in sea water acidity pH caused by anthropogenic CO2 between the 1700s and the 1990s Ocean acidification is the name given to the ongoing decrease in the pH and increase in acidity of the Earth …
36Méthane — Méthane …
37Ludwig von Bertalanffy — Infobox Systems scientist H region = General Systems Theory era = 20th century color = #B0C4DE image caption = name = Ludwig von Bertalanffy birth = September 19, 1901, Vienna, Austria death = June 12, 1972, New York, USA school tradition =… …
38Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
39Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
40Delta-v — For other uses, see Delta v (disambiguation). In astrodynamics a Δv or delta v (literally change in velocity ) is a scalar which takes units of speed. It is a measure of the amount of effort that is needed to change from one trajectory to another …
