balance stability
111Operational amplifier applications — This article illustrates some typical applications of operational amplifiers. A simplified schematic notation is used, and the reader is reminded that many details such as device selection and power supply connections are not shown. Contents 1… …
112Drilling fluid — This article is about fluids used when drilling a well. For fluids used with drill bits during metal working, see cutting fluid. Driller pouring a foaming agent down the rod string on a drilling rig In geotechnical engineering, drilling fluid is… …
113Intelligence dissemination management — This article is part of a series on intelligence cycle management, and deals with the dissemination of processed intelligence. For a hierarchical list of articles, see the intelligence cycle management hierarchy. It is a classic maxim of… …
114Iran — /i ran , i rahn , uy ran /, n. a republic in SW Asia. 67,540,002; ab. 635,000 sq. mi. (1,644,650 sq. km). Cap.: Teheran. Formerly (until 1935), Persia. * * * Iran Introduction Iran Background: Known as Persia until 1935, Iran became an Islamic… …
115Ionians (The) — The Ionians Malcolm Schofield THALES AND OTHERS The Greeks agreed that philosophy had begun with Thales. However they did not know much about his views.1 What survives is mostly a potent legend. Herodotus tells stories of his practical ingenuity …
116Freestyle BMX — A freestyle rider practicing in the halfpipe. Freestyle BMX is a synonym for BMX stunt riding, a sport branch that hails from extreme sports. It consists of six disciplines: street, park, vert, trails, dirt and flatland (riding in a skatepark).… …
117Enron scandal — The Enron scandal was a financial scandal involving Enron Corporation Former (NYSE ticker symbol: ENE) and its accounting firm Arthur Andersen, that was revealed in late 2001. After a series of revelations involving irregular accounting… …
118Ecology — For other uses, see Ecology (disambiguation). Ecology …
119Gyro monorail — The gyro monorail, gyroscopic monorail, gyro stabilized monorail, or gyrocar all denote a single rail land vehicle, road or rail, which uses the gyroscopic action of a spinning wheel, which is forced to precess, to overcome the inherent inverted… …
120Afghanistan — /af gan euh stan /, n. a republic in central Asia, NW of India and E of Iran. 23,738,085; 250,000 sq. mi. (647,500 sq. km). Cap.: Kabul. * * * Afghanistan Introduction Afghanistan Background: Afghanistan s recent history is characterized by war… …
