critical pressure gradient
31ESEM — stands for environmental scanning electron microscope. This is a scanning electron microscope (SEM) that allows a gaseous environment in the specimen chamber. Whereas all conventional microscopes operate in vacuum, the ESEM has added a new… …
32Boiler (steam generator) — Contents 1 Steam generator (component of prime mover) 2 Boiler types 2.1 Haycock and wagon top boilers …
33Environmental scanning electron microscope — Wool fibers imaged in an ESEM by the use of two symmetrical plastic scintillating backscattered electron detectors …
34Gas giant — A gas giant (sometimes also known as a Jovian planet after the planet Jupiter, or giant planet) is a large planet that is not primarily composed of rock or other solid matter. There are four gas giants in our Solar System: Jupiter, Saturn, Uranus …
35Collateralization — For uses of the word collateralization in finance, see Securitization and Cross collateralization. This article is about a pathological process. For the anastomosis between vessels in physiology, see Arteriovenous anastomosis. In medicine,… …
36Hurricane Wilma — Infobox Hurricane Name=Hurricane Wilma Type=hurricane Year=2005 Basin=Atl Image location=HurricaneWilma20Oct2005.jpg Yucatán Peninsula on October 19, 2005 Formed=October 15, 2005 Dissipated=October 25, 2005 1 min winds=160 Pressure=882… …
37sedimentary rock — Rock formed at or near the Earth s surface by the accumulation and lithification of fragments of preexisting rocks or by precipitation from solution at normal surface temperatures. Sedimentary rocks can be formed only where sediments are… …
38Peek's law — In physics, Peek s law is a description of the conditions necessary for corona discharge between two wires::e v = m v g v delta r ln left ({S over r} ight ) e v is the visual critical corona voltage or corona inception voltage (CIV), the voltage… …
39Reynolds number — In fluid mechanics and heat transfer, the Reynolds number mathrm{Re} is a dimensionless number that gives a measure of the ratio of inertial forces ({old mathrm V} ho) to viscous forces (mu / L) and, consequently, it quantifies the relative… …
40Boundary layer — For the anatomical structure, see Boundary layer of uterus. Boundary layer visualization, showing transition from laminar to turbulent condition In physics and fluid mechanics, a boundary layer is that layer of fluid in the immediate vicinity of… …
