firing cycle
51Neural oscillation — is rhythmic or repetitive neural activity in the central nervous system. Neural tissue can generate oscillatory activity in many ways, driven either by mechanisms localized within individual neurons or by interactions between neurons. In… …
52Internal combustion engine — The internal combustion engine is an engine in which the combustion of a fuel (normally a fossil fuel) occurs with an oxidizer (usually air) in a combustion chamber. In an internal combustion engine, the expansion of the high temperature and high …
53Machine gun — [ thumb|200px|An illustration of later model 19th century Gatling gun. It was a multi barreled rotary machine gun fired via a manual crank, which mechanically loaded and primed cartridges from the hopper above the gun] : For other uses of the… …
54arts, East Asian — Introduction music and visual and performing arts of China, Korea, and Japan. The literatures of these countries are covered in the articles Chinese literature, Korean literature, and Japanese literature. Some studies of East Asia… …
55nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… …
56Recoil operation — is an operating mechanism used in locked breech, autoloading firearms. As the name implies, these actions use the force of recoil to provide energy to cycle the action. Other operating systems are blowback operated, gas operated, gatling, and… …
57Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
58List of Di-Gata Defenders characters — This is the list of both known major and minor characters for the animated television series Di Gata Defenders.Main Six DefendersSeth (voiced by Noah Cappe):At the age of fourteen (age at Trouble in Paradise ) Seth is the leader of the Di Gata… …
59Otto engine — This article is about the stationary engine. For a discussion of related thermodynamic principles, see Otto cycle. This is a video montage of the Otto engines running at the Western Minnesota Steam Threshers Reunion (WMSTR), in Rollag, Minnesota …
60United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
