birch bark tar

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Англо-русский сельскохозяйственный словарь. 2013.

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  • Birch — Taxobox name = Birch image width = 240px image caption = Silver Birch regnum = Plantae divisio = Magnoliophyta classis = Magnoliopsida ordo = Fagales familia = Betulaceae genus = Betula genus authority = L. subdivision ranks = Species subdivision …   Wikipedia

  • birch oil — noun a liquid ester with a strong odor of wintergreen; applied externally for minor muscle and joint pain • Syn: ↑methyl salicylate, ↑sweet birch oil • Hypernyms: ↑salicylate • Substance Holonyms: ↑wintergreen oil, ↑oil …   Useful english dictionary

  • birch camphor — Betulin Bet u*lin, n. [L. betula birch tree.] (Chem.) a term originally applied to a substance obtained as a resin or tar by extraction from the outer bark of the common European white birch ({Betula alba}); now referring to the chemical compound …   The Collaborative International Dictionary of English

  • birch tar oil — Pyroligneous oil obtained by the dry distillation of the wood of Betula alba and rectified by steam distillation; used externally in the treatment of skin diseases. SYN: birch tar. * * * a pyroligneous oil obtained by dry distillation of the bark …   Medical dictionary

  • birch-tar oil — ˈ ̷ ̷ˌ ̷ ̷ noun : a brown toxic phenolic oil obtained by destructive distillation of the bark and wood of the European white birch and used in finishing Russia leather to which it gives the characteristic odor and sometimes in ointments for skin… …   Useful english dictionary

  • Adhesive — Glue redirects here. For other uses, see Glue (disambiguation). For the band, see Adhesive (band). Nitrocellulose adhesive outside a tube An adhesive, or glue, is a mixture in a liquid or semi liquid state that adheres or bonds items together.… …   Wikipedia

  • Chewing gum — For other uses, see Chewing gum (disambiguation). Many types of North American chewing gum from 2009. Chewing gum is a type of gum traditionally made of chicle, a natural latex product, or synthetic rubber known as polyisobutylene. For economical …   Wikipedia

  • betula — European white birch, bark and leaves of B. alba (family Betulaceae); native to Europe, northern Asia, and North America, north of Pennsylvania. It contains betulin (b. camphor), betuloresinic acid, volatile oil, saponins, betulol (sesquiterpine… …   Medical dictionary

  • Finland — /fin leuhnd/, n. 1. Finnish, Suomi. a republic in N Europe: formerly a province of the Russian Empire. 5,109,148; 130,119 sq. mi. (337,010 sq. km). Cap.: Helsinki. 2. Gulf of, an arm of the Baltic, S of Finland. * * * Finland Introduction Finland …   Universalium

  • Diffusion of technology in Canada — This article outlines the history of the diffusion or spread of technology in Canada. Technologies chosen for treatment here include, in rough order, transportation, communication, energy, materials, industry, public works, public services… …   Wikipedia

  • Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… …   Wikipedia

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