intensity of load
81Fire ecology — The Old Fire burning in the San Bernardino Mountains (image taken from the International Space Station) Fire ecology is concerned with the processes linking the natural incidence of fire in an ecosystem and the ecological effects of this fire.… …
82Emergency vehicle lighting — refers to any of several visual warning devices, which may be known as light bars or beacons, fitted to a vehicle and used when the driver wishes to convey to other road users the urgency of their journey, to provide additional warning of a… …
83AC motor — An AC motor is an electric motor that is driven by an alternating current. It consists of two basic parts, an outside stationary stator having coils supplied with AC current to produce a rotating magnetic field, and an inside rotor attached to… …
84Europe, history of — Introduction history of European peoples and cultures from prehistoric times to the present. Europe is a more ambiguous term than most geographic expressions. Its etymology is doubtful, as is the physical extent of the area it designates.… …
85Compact tension specimen — Schematic and dimensions of a compact tension specimen. A compact tension specimen is a notched sample and is a standard specimen in accordance with ASTM [1] and ISO [2] standards. The purpose of using a notched …
86Open-pool Australian lightwater reactor — For other uses, see Opal (disambiguation). Science with Neutrons Foundations Neutron temperature Flux  …
87Weight training — This article is about strength training using weight (gravity) to generate resistance to contraction. For basic principles on increasing the strength of muscles, see strength training. A complete weight training workout can be performed with a… …
88Antenna (radio) — Whip antenna on car …
89Energy policy of India — The energy policy of India is characterized by tradeoffs between four major drivers: * Rapidly growing economy, with a need for dependable and reliable supply of electricity, gas, and petroleum products; * Increasing household incomes, with a… …
90nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
