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(english) A mathematical entity having a magnitude and a direction in space.
(english) A set of bolts or screws that ore selected to suit a particular application, i.e. pre-selected length, threads and strength to match the mounted component.
(english) A material or structure is said to behave elastically if it returns to its original geometry upon unloading.
(english) A separator or diaphragm usually found in a chamber to facilitate separation of two (2) fluids or gases.
(Environmental Engineering) A film of microorganisms attached to a surface, such as that on a trickling filter, rotating biological contactor, or rocks in natural streams.
(english) Similar to the concept of center of gravity, except that it applies to a two dimensional shape rather than an object. For a given shape, the centroid location corresponds to the center of gravity for a thin flat plate of that shape, made from a homogeneous material.
(Software Engineering) a modeling notation that represents a functional decomposition of a system
(english) A vector quantity equal to the rate that position changes with time.
(english) A definition applying to material which has been permanently damaged by over-heating.
(Environmental Engineering) Organic compounds with two hydrocarbon groups bonded to a carbonyl group.
(english) A vector quantity equal to the rate that velocity changes with time.