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chemistry has a special system of notation

См. также в других словарях:

  • chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …   Universalium

  • Parts-per notation — One part per trillion (1 ppt) is a proportion equivalent to one twentieth of a drop of water diluted into an Olympic size swimming pool. In science and engineering, the parts per notation is a set of pseudo units to describe small values of… …   Wikipedia

  • Resonance (chemistry) — For other uses, see Resonance (disambiguation). Two of the contributing structures of nitrogen dioxide In chemistry, resonance or mesomerism [1] is a way of describing delocalized electrons within certain molecules or …   Wikipedia

  • Orbifold notation — In geometry, orbifold notation (or orbifold signature) is a system, invented by William Thurston and popularized by the mathematician John Conway, for representing types of symmetry groups in two dimensional spaces of constant curvature. The… …   Wikipedia

  • no|ta|tion — «noh TAY shuhn», noun. 1. a set of signs or symbols used to represent numbers, quantities, or other values: »In arithmetic we use the Arabic notation (1, 2, 3, 4, and so on) or sometimes the Roman notation (I, II, III, IV, and so on). 2. the… …   Useful english dictionary

  • Cylindrical coordinate system — A cylindrical coordinate system with origin O, polar axis A, and longitudinal axis L. The dot is the point with radial distance ρ = 4, angular coordinate φ = 130°, and height z = 4. A cylindrical coordinate system is …   Wikipedia

  • analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

  • Quantum mechanics — For a generally accessible and less technical introduction to the topic, see Introduction to quantum mechanics. Quantum mechanics …   Wikipedia

  • 0 (number) — Zero redirects here. For other uses, see Zero (disambiguation). 0 −1 0 1 2 3 4 5 6 7 8 …   Wikipedia

  • Binary prefix — Prefixes for bit and byte multiples Decimal Value SI 1000 k kilo 10002 M mega …   Wikipedia

  • calculus — /kal kyeuh leuhs/, n., pl. calculi / luy /, calculuses. 1. Math. a method of calculation, esp. one of several highly systematic methods of treating problems by a special system of algebraic notations, as differential or integral calculus. 2.… …   Universalium

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