natural odorant

См. также в других словарях:

• odorant — o dor*ant, n. An odorous substance; especially, a substance with a strong odor added to a dangerous substance, such as natural gas, to provide an easy detection method and a warning; as, ethyl mercaptan is used as an odorant in natural gas and… …   The Collaborative International Dictionary of English

• Natural gas — For other uses, see Natural gas (disambiguation). Natural gas extraction by countries in cubic meters per year. Natural gas is a naturally occurring gas mixture consisting primarily of methane, typically with 0–20% higher hydrocarbons[1] …   Wikipedia

• odorant — I. ˈōdərənt adjective Etymology: Middle English odoraunt, from Middle French odorant, from Latin odorant , odorans, present participle of odorare to perfume, from odor, n. : odorous, odoriferous II. noun ( s) …   Useful english dictionary

• Hydrogen odorant — A hydrogen odorant in any form, is a minute amount of odorant such as ethyl isobutyrate, with a rotting cabbage like smell, that is added to the otherwise colorless and almost odorless hydrogen gas, so that leaks can be detected before a fire or… …   Wikipedia

• Amber (disambiguation) — Amber is a petrified resin material often used as a gemstone. Amber may also refer to: *Amber (given name) for a female in English *A common Indian given name meaning The Sky in Hindi *Amber (color), the color of some samples of the material… …   Wikipedia

• 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

• chemoreception — chemoreceptive /kee moh ri sep tiv, kem oh /, adj. /kee moh ri sep sheuhn, kem oh /, n. the physiological response to chemical stimuli. [1915 20; CHEMO + RECEPTION] * * * Sensory process by which organisms respond to external chemical stimuli, by …   Universalium

• Olfactory memory — refers to the recollection of odours. Studies have found various characteristics of common memories of odour memory including persistence and high resistance to interference. Explicit memory is typically the form focused on in the studies of… …   Wikipedia

• Odor — Aroma redirects here. For other uses, see Aroma (disambiguation). Allegory of the senses by Jan Brueghel the Elder, Museo del Prado An odor or odour is caused by one or more volatilized chemical compounds, generally at a very low concentration,… …   Wikipedia

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• Ambergris — (Ambra grisea, Ambre gris, ambergrease, or grey amber) is a solid, waxy, flammable substance of a dull gray or blackish color produced in the digestive system of sperm whales. Ambergris has a peculiar sweet, earthy odor (similar to isopropyl… …   Wikipedia