semihard black


semihard black
полужесткая сажа

English-Russian dictionary of chemistre. 2014.

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  • printmaking — /print may king/, n. the art or technique of making prints, esp. as practiced in engraving, etching, drypoint, woodcut or serigraphy. [1925 30; PRINT + MAKING] * * * Art form consisting of the production of images, usually on paper but… …   Universalium

  • Norway — /nawr way/, n. Norwegian, Norge. a kingdom in N Europe, in the W part of the Scandinavian Peninsula. 4,404,456; 124,555 sq. mi. (322,597 sq. km). Cap.: Oslo. * * * Norway Introduction Norway Background: Despite its neutrality, Norway was not able …   Universalium

  • Musical instrument classification — At various times, and in various different cultures, various schemes of musical instrument classification have been used. The most commonly used system in use in the west today divides instruments into string instruments, wind instruments and… …   Wikipedia

  • tetrahedrite — [te΄trə hē′drīt΄] n. [Ger tetraëdrit < LGr tetraedros (see TETRAHEDRON) + it, ITE1] a gray to black, semihard, cubic mineral, copper iron antimony sulfide, (Cu,Fe) 12Sb4S13, that is a main ore of copper …   English World dictionary