longitudinal beam
41muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… …
42Permanent way — The permanent way means the physical elements of the railway line itself: generally the pairs of rails typically laid on sleepers embedded in ballast, intended to carry the ordinary trains of a railway. This page describes British practice and… …
43Normal mode — For other types of mode, see Mode (disambiguation). Vibration of a single normal mode of a circular disc with a pinned boundary condition along the entire outer edge. See other modes. A normal mode of an oscillating system is a pattern of motio …
44Medium Girder Bridge — A 16 Bay with LRS Medium Girder Bridge across the Kazer River, Mosul, Iraq, 2003. The Medium Girder Bridge (MGB) is a lightweight, man portable bridge and can be assembled without help from heavy equipment. In addition, it is also a deck type,… …
45Angle of incidence — is a measure of deviation of something from straight on , for example: in the approach of a ray to a surface, or the angle at which the wing or horizontal tail of an airplane is installed on the fuselage, measured relative to the axis of the… …
46Surface phonon — Phonons are collective lattice vibration modes, and surface phonons are those particular modes associated with surfaces; they are an artifact of periodicity, symmetry, and the termination of bulk crystal structure associated with the surface… …
47layer — A sheet of one substance lying on another and distinguished from it by a difference in texture or color or by not being continuous with it. SEE ALSO: stratum, lamina. SYN: panniculus. ameloblastic l. the internal l. of the enamel organ. SYN: enam …
48Flight simulator — [ twinjet flight simulator] A flight simulator is a system that tries to copy, or simulate, the experience of flying an aircraft. It is as realistic as possible. The different types of flight simulator range from video games up to full size… …
49Gangut class battleship — For other uses, see Gangut (disambiguation). Gangut during World War I Class overview Builders: Admiralty Shipyard Baltic Shipyard …
50Bending — For other uses, see Bending (disambiguation). Flexure redirects here. For joints that bend, see living hinge. For bearings that operate by bending, see flexure bearing. Continuum mechanics …
