oscillating pressure method

См. также в других словарях:

• Seismoelectrical Method — Basic ConceptThe Seismoelectrical method (also called the Electroseismic method or [http://www.agu.org/meetings/fm06/fm06 sessions/fm06 NS21A.html seismic electric] ) is based on the generation of electromagnetic fields in soils and rocks by… …   Wikipedia

• Negative pressure ventilator — This article is about the medical device. For the band, see Iron Lung (band). Negative pressure ventilator Intervention An Emerson iron lung. The patient lies within the chamber, which when sealed provides an effectively oscillating atmospheric… …   Wikipedia

• Hydrostatic shock — The term hydrostatic shock describes the theory that a penetrating projectile produces remote wounding and incapacitating effects in living targets, in addition to local effects in tissue caused by direct impact, through a hydraulic effect in… …   Wikipedia

• Stopping power — For the concept in nuclear physics, see stopping power (particle radiation). Contents 1 History 2 Dynamics of bullets 3 Wound …   Wikipedia

• Handgun effectiveness — is a measure of the stopping power of a handgun: its ability to incapacitate a hostile target as quickly and efficiently as possible.OverviewMost handgun projectiles have significantly lower energy than centerfire rifles. What they lack in power …   Wikipedia

• Marine steam engine — Period cut away diagram of a triple expansion steam engine installation, circa 1918 A marine steam engine is a reciprocating steam engine that is used to power a ship or boat. Steam turbines and diesel engines largely replaced reciprocating steam …   Wikipedia

• Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics       Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity.       Computer scientist Manindra Agrawal of the… …   Universalium

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• Mechanism of sonoluminescence — Sonoluminescence is a phenomenon that occurs when a small gas bubble is acoustically suspended and periodically driven in a liquid solution at ultrasonic frequencies, resulting in bubble collapse, cavitation, and light emission. The thermal… …   Wikipedia

• Crystal oscillator — A miniature 4 MHz quartz crystal enclosed in a hermetically sealed HC 49/US package, used as the resonator in a crystal oscillator. A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal …   Wikipedia

• electromagnetic radiation — Physics. radiation consisting of electromagnetic waves, including radio waves, infrared, visible light, ultraviolet, x rays, and gamma rays. [1950 55] * * * Energy propagated through free space or through a material medium in the form of… …   Universalium