meniscus correction

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• Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra …   Wikipedia

• Maksutov telescope — A 150mm aperture Maksutov Cassegrain telescope. The Maksutov is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design that takes advantage of all the surfaces being nearly spherically… …   Wikipedia

• Catadioptric system — A 150 mm aperture catadioptric telescope (Maksutov) A catadioptric optical system is one where refraction and reflection are combined in an optical system, usually via lenses (dioptrics) and curved mirrors (catoptrics). Catadioptric… …   Wikipedia

• fluid mechanics — an applied science dealing with the basic principles of gaseous and liquid matter. Cf. fluid dynamics. [1940 45] * * * Study of the effects of forces and energy on liquids and gases. One branch of the field, hydrostatics, deals with fluids at… …   Universalium

• Du Noüy-Padday method — The Du Noüy Padday method is a minimized version of the Du Noüy rod replacing a large platinum ring with a thin rod that is used to measure equilibrium surface tension or dynamic surface tension at an air–liquid interface. In this method, the rod …   Wikipedia

• Micro-pulling-down — Contents 1 Basics 2 Crystal growth routine 3 See also 4 References 5 External links …   Wikipedia

• Hypertelorism — Classification and external resources 7 year old girl with hypertelorism (1924) ICD 10 Q75.2 …   Wikipedia

• microscope — /muy kreuh skohp /, n. 1. an optical instrument having a magnifying lens or a combination of lenses for inspecting objects too small to be seen or too small to be seen distinctly and in detail by the unaided eye. 2. (cap.) Astron. the… …   Universalium

• Scoliosis — Classification and external resources ICD 10 M41 …   Wikipedia

• Pectus excavatum — Classification and external resources An example of a severe case. ICD 10 Q67.6 …   Wikipedia

• Craniosynostosis — Classification and external resources Child with premature closure (craniosynostosis) of the lambdoid suture. Notice the swelling on the right side of the head ICD 10 …   Wikipedia