- opacity meters
- • уред за измерване коефициента на потъмняване
English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Spirit rover timeline for 2005 March — This article describes part of the mission timeline of the NASA Mars Exploration Rover Spirit .Mars Exploration Rover Mission timelines* Spirit rover timeline ** Spirit rover timeline for 2004 April ** timelines for 2004 May to 2005 February… … Wikipedia
Titan (moon) — Titan Titan in 2005 by Cassini spacecraft Discovery Discovered by Christiaan Huygens … Wikipedia
papermaking — [pā′pər māk΄iŋ] n. the making of paper papermaker n. * * * pa·per·mak·ing (pāʹpər mā kĭng) n. The process or craft of making paper. paʹper·mak er n. * * * Introduction formation of a matted or felted sheet, usually of cellulose fibres,… … Universalium
Units of textile measurement — Textile is measured in various units, such as: the denier and tex (linear mass density of fibres), super S (fineness of wool fiber), worst count, and yield (the inverse of denier and tex). Yarn is spun thread used for knitting, weaving, or sewing … Wikipedia
building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… … Universalium
Selenite — This article is about the mineral: for other meanings, see Selenite (disambiguation). Selenite, satin spar, desert rose, and gypsum flower are four varieties of gypsum; all four varieties show obvious crystalline structure. The four crystalline… … Wikipedia
Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances … Wikipedia
Snell's law — In optics and physics, Snell s law (also known as Descartes law, the Snell–Descartes law, and the law of refraction) is a formula used to describe the relationship between the angles of incidence and refraction, when referring to light or other… … Wikipedia
Infrared astronomy — is the branch of astronomy and astrophysics which deals with objects visible in infrared (IR) radiation. Visible radiation ranges from 400 nm (blue) to 700 nm (red). Longer wavelengths than 700 nm but still shorter than microwaves are called… … Wikipedia
METAR — For the Israeli town, see Meitar. METAR is a format for reporting weather information. A METAR weather report is predominantly used by pilots in fulfillment of a part of a pre flight weather briefing, and by meteorologists, who use aggregated… … Wikipedia
Maple — For other uses, see Maple (disambiguation). Acer Acer pseudoplatanus (Sycamore maple) foliage Scientific classification Kingdom … Wikipedia