- процент снижения проводимости света пылевым пятном, определяемый путем взятия пробы с заслонки (препятствия), по отношению к любому заданному количеству пыли, аккумулированному на ней.
Англо-русский словарь по кондиционированию и вентиляции. 2013.
star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… … Universalium
Supernova — This article is about the astronomical event. For other uses, see Supernova (disambiguation). Multiwavelength X ray, infrared, and optical compilation image of Kepler s supernova remnant, SN 1604. A supernova is a stellar explosion that is more… … Wikipedia
eye disease — Introduction any of the diseases or disorders that affect the human eye (eye, human). This article briefly describes the more common diseases of the eye and its associated structures, the methods used in examination and diagnosis, and the… … Universalium
List of dog diseases — This list of dog diseases is a continuously updated selection of diseases and other conditions found in the dog. Some of these diseases are unique to dogs or closely related species, while others are found in other animals, including humans. Not… … Wikipedia
Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… … Universalium
optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… … Universalium
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
diffuse nebula — Nebula Neb u*la (n[e^]b [ u]*l[.a]), n.; pl. {Nebul[ae]} (n[e^]b [ u]*l[=e]). [L., mist, cloud; akin to Gr. nefe lh, ne fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.] 1. (Astron.) A faint, cloudlike … The Collaborative International Dictionary of English
Nebula — Neb u*la (n[e^]b [ u]*l[.a]), n.; pl. {Nebul[ae]} (n[e^]b [ u]*l[=e]). [L., mist, cloud; akin to Gr. nefe lh, ne fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.] 1. (Astron.) A faint, cloudlike, self… … The Collaborative International Dictionary of English
Nebulae — Nebula Neb u*la (n[e^]b [ u]*l[.a]), n.; pl. {Nebul[ae]} (n[e^]b [ u]*l[=e]). [L., mist, cloud; akin to Gr. nefe lh, ne fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.] 1. (Astron.) A faint, cloudlike … The Collaborative International Dictionary of English
spiral nebula — Nebula Neb u*la (n[e^]b [ u]*l[.a]), n.; pl. {Nebul[ae]} (n[e^]b [ u]*l[=e]). [L., mist, cloud; akin to Gr. nefe lh, ne fos, cloud, mist, G. nebel mist, OHG. nebul, D. nevel, Skr. nabhas cloud, mist. Cf. {Nebule}.] 1. (Astron.) A faint, cloudlike … The Collaborative International Dictionary of English
