leak ratio
111Valve audio amplifier - technical — Circuitry and performance Characteristics of valves Valves are very high input impedance (near infinite in most circuits) and high output impedance devices. They are also high voltage / low current devices.While valves themselves are described… …
112Neptune — This article is about the planet. For other uses, see Neptune (disambiguation). Neptune   …
113Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
114Mathematics 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… …
115photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
116Compound locomotive — For the principles and other applications of the compound steam engine, see compound engine. De Glehn redirects here. For people and places named Glehn, de Glehn or von Glehn, see Glehn. A compound locomotive is a steam locomotive or engine unit… …
117Corium (nuclear reactor) — LFCM redirects here. For the airport, see List of airports by ICAO code: L. The Three Mile Island reactor 2 after the meltdown. Corium, also called fuel containing material (FCM) or lava like fuel containing material (LFCM), is a lava like molten …
118DC Universe Classics — is an action figure toyline, a sub line of the DC Universe toy brand manufactured by Mattel. These are 6 inch scale figures based on characters owned by DC Comics. The entire line is sculpted by the Four Horsemen Studios. Contents 1 History 2… …
119Doing It Right — DIR diver Doing It Right (DIR) is a holistic approach to scuba diving. According to the DIR approach fundamental skills, teamwork, environmental awareness, and the use of a highly optimized/streamlined (i.e. minimalistic) equipment configuration… …
120Fairchild Republic A-10 Thunderbolt II — A 10 redirects here. For other uses, see A10. A 10 Thunderbolt II An A 10 from the 81st Fighter Squadron, Spangdahlem Air …
