theory of vibrations

См. также в других словарях:

• Theory of heat — In the history of science, the theory of heat or mechanical theory of heat was a theory, introduced predominantly in 1824 by the French physicist Sadi Carnot, that heat and mechanical work are equivalent.[1] It is related to the mechanical… …   Wikipedia

• theory — A reasoned explanation of known facts or phenomena that serves as a basis of investigation by which to seek the truth. SEE ALSO: hypothesis, postulate. [G. theoria, a beholding, speculation, t., fr. theoros, a beholder] adsorption t. of narcosis… …   Medical dictionary

• Theory of impetus — The theory of impetus was an antiquated auxiliary or secondary theory of Aristotelian dynamics, put forth initially to explain projectile motion against gravity. It was first introduced by Hipparchus in antiquity, and subsequently further… …   Wikipedia

• Machining vibrations — Machining vibrations, also called chatter, correspond to the relative movement between the workpiece and the cutting tool. The vibrations result in waves on the machined surface. This affects typical machining processes, such as turning, milling… …   Wikipedia

• Marcus theory — is a theory originally developed by Rudolph A. Marcus, starting in 1956, to explain the rates of electron transfer reactions – the rate at which an electron can move or jump from one chemical species (called the electron donor) to another (called …   Wikipedia

• Vibration theory of olfaction — The Vibration theory of smell proposes that a molecule s smell character is due to its vibrational frequency in the infrared range. The theory is opposed to the more widely accepted shape theory of olfaction, which proposes that a molecule s… …   Wikipedia

• string theory — Physics. See under string (def. 3). * * * ▪ physics Introduction       in particle physics, a theory that attempts to merge quantum mechanics with Albert Einstein (Einstein, Albert) s general theory of relativity (relativity). The name string… …   Universalium

• Temporal theory (hearing) — The temporal theory of hearing states that our perception of sound depends on the temporal patterns with which neurons respond to sound in the cochlea. Therefore, the pitch of a pure tone would be determined by period of neuron firing patterns,… …   Wikipedia

• Lorentz ether theory — What is now called Lorentz Ether theory ( LET ) has its roots in Hendrik Lorentz s Theory of electrons , which was the final point in the development of the classical aether theories at the end of the 19th and at the beginning of the 20th century …   Wikipedia

• Shape theory of olfaction — The Shape theory of smell states that a molecule s particular smell is due to a lock and key mechanism by which a scent molecule fits into olfactory receptors in the nasal epithelium. HistoryIn 1949, R.W. Moncrieff published an article in… …   Wikipedia

• String theory — This article is about the branch of theoretical physics. For other uses, see String theory (disambiguation). String theory …   Wikipedia