nitrous+air
31global warming — an increase in the earth s average atmospheric temperature that causes corresponding changes in climate and that may result from the greenhouse effect. [1975 80] * * * Potential increase in global average surface temperatures resulting from… …
32Greenhouse gas — Simple diagram of greenhouse effect. A greenhouse gas (sometimes abbreviated GHG) is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect.[1] …
33Inhalant abuse — This article is about non medical use of inhalants. For medical inhalants, see List of medical inhalants. Huffing redirects here. For other meanings, see Huff (disambiguation). Sniffing glue redirects here. For the punk zine, see Sniffin Glue.… …
34oxyacid — /ok see as id/, n. Chem. an inorganic acid containing oxygen. Also called oxygen acid. [1830 40; OXY 2 + ACID] * * * ▪ chemical compound Introduction any oxygen containing acid. Most covalent nonmetallic oxides (oxide) react with water to… …
35Nitric oxide — Not to be confused with nitrous oxide or nitrogen oxides. For other uses, see NO (disambiguation). Nitric oxide …
36climate — /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… …
37Mathematics 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… …
38Ozone 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… …
39Anaesthetic machine — The anaesthetic machine (or anesthesia machine in America) is used by anaesthesiologists to support the administration of anaesthesia. The most common type of anaesthetic machine in use in the developed world is the continuous flow anaesthetic… …
40Protoxyde d'azote — Protoxyde d azote …
