repeating equipment
11Mathematics 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… …
12Unusual types of gramophone records — The overwhelming majority of records manufactured have been of certain sizes (7, 10, or 12 inches), playback speeds (33⅓, 45, or 78 RPM), and appearance (round black discs). However, since the commercial adoption of the gramophone record, a… …
13Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …
14Olin Corporation — Type Public(NYSE: OLN) Industry Chemicals, manufacturing Founded 1892 …
15Hunting weapon — Hunting weapons are weapons designed or used primarily for hunting game animals for food or sport, as distinct from defensive weapons or weapons used primarily in warfare. CharacteristicsSince human beings are lacking in the natural weapons… …
16Military history of China before 1911 — Chinese military before 1911 Participant in wars involving China Active 2200 BCE – 1911 CE Leaders Chinese Emperor Area of operations China, Southeast Asia, Central Asia, and …
17Immunoprecipitation — (IP) is the technique of precipitating a protein antigen out of solution using an antibody that specifically binds to that particular protein. This process can be used to isolate and concentrate a particular protein from a sample containing many… …
18Firearm — A firearm is a tool that projects either single or multiple projectiles at high velocity through a controlled explosion. The firing is achieved by the gases produced through rapid, confined burning of a propellant. This process of rapid burning… …
19Overland Campaign — Part of the American Civil War Ulysses S. Grant and Robert E. Lee , respectively, opposing commanders in the Overland …
20African military systems (1800-1900) — refers to the evolution of military systems on the African continent after 1800, with emphasis on the role of indigenous states and peoples within the African continent. Only major military systems or innovations and their development after 1800… …
