frequency of normal vibrations

  • 51Whole body vibration — Whole Body Vibration: function and effectsWhole Body Vibration (WBV) was developed by Russian scientist Vladimir Nazarov, to prevent astronauts muscles and bones wasting when they were in space. Because there is no gravitational force in space,… …

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  • 52ultrasonics — /ul treuh son iks/, n. (used with a sing. v.) the branch of science that deals with the effects of sound waves above human perception. [1930 35; see ULTRASONIC, ICS] * * * Vibrational or stress waves in elastic media that have a frequency above… …

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  • 53Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …

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  • 54pitch — pitch1 pitchable, adj. /pich/, v.t. 1. to erect or set up (a tent, camp, or the like). 2. to put, set, or plant in a fixed or definite place or position. 3. to throw, fling, hurl, or toss. 4. Baseball. a. to deliver or serve (the ball) to the… …

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  • 55human cardiovascular system — ▪ anatomy Introduction       organ system that conveys blood through vessels to and from all parts of the body, carrying nutrients and oxygen to tissues and removing carbon dioxide and other wastes. It is a closed tubular system in which the… …

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  • 56Insect — For the Breed 77 album, see Insects (album). Insect Temporal range: 396–0 Ma …

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  • 57Hot transition — In molecular vibrations a hot transition is a transition between two states of a single normal mode of vibration, neither of which is the ground stateS. Califano, Vibrational States , Wiley, 1976] When observed in infrared or Raman spectroscopy… …

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  • 58physical science, principles of — Introduction       the procedures and concepts employed by those who study the inorganic world.        physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …

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  • 59Molecular Hamiltonian — In atomic, molecular, and optical physics as well as in quantum chemistry, molecular Hamiltonian is the name given to the Hamiltonian representing the energy of the electrons and nuclei in a molecule. This Hermitian operator and the associated… …

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  • 60telephone — telephoner, n. /tel euh fohn /, n., v., telephoned, telephoning. n. 1. an apparatus, system, or process for transmission of sound or speech to a distant point, esp. by an electric device. v.t. 2. to speak to or summon (a person) by telephone. 3.… …

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