- Curve concave upwards
- منحنى مقعر ، محدب لأعلى
English-Arabic economic glossary.
English-Arabic economic glossary.
Stationary point — Not to be confused with a fixed point where x = f(x). Stationary points (red pluses) and inflection points (green circles). The stationary points in this graph are all relative maxima or relative minima. In mathematics, particularly in calculus,… … Wikipedia
Production–possibility frontier — In economics, a production–possibility frontier (PPF), sometimes called a production–possibility curve or product transformation curve, is a graph that compares the production rates of two commodities that use the same fixed total of the factors… … Wikipedia
Inflection point — In differential calculus, an inflection point, or point of inflection (or inflexion) is a point on a curve at which the curvature changes sign. The curve changes from being concave upwards (positive curvature) to concave downwards (negative… … Wikipedia
Human Race — Human Race † Catholic Encyclopedia ► Human Race Mankind exhibits differences which have been variously interpreted. Some consider them so great that they regard the varieties of the human race as distinct species; others maintain the… … Catholic encyclopedia
Threshing machine — The thrashing machine, or, in modern spelling, threshing machine (or simply thresher), was a machine first invented by Scottish mechanical engineer Andrew Meikle for use in agriculture. It was invented (c.1784) for the separation of grain from… … Wikipedia
arts, 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… … Universalium
Plough — Plow redirects here. For the Canadian soldier, see Edward Chester Plow. Plowman redirects here. For the surname, see Plowman (surname). Furrow redirects here. For other uses, see Furrow (disambiguation). For other uses, see Plough… … Wikipedia
AMC V8 engine — American Motors Corporation (AMC) produced a series of widely used V8 engines from the mid 1950s before being absorbed into Chrysler. Some continued well after the merger in Jeep vehicles until 1991.GEN 1 Nash/Hudson/Rambler V 8s (1956 1966)Many… … Wikipedia
Short-finned Pilot Whale — Taxobox name = Short finned Pilot Whale MSW3 Cetacea|id=14300051] status = DD status system = iucn3.1 status ref = [cite web|title=Cetacean update of the 2008 IUCN Red List of Threatened Species|url=http://cmsdata.iucn.org/downloads/cetacean… … Wikipedia
Kneeboarding (towsport) — Kneeboarding is an aquatic sport where the participant is towed on a buoyant, convex, and hydrodynamically shaped board at a planing speed behind a motorboat. In the usual configuration of a tow sport kneeboard, riders sit on their heels on the… … Wikipedia
Exfoliation joint — Exfoliation joints wrapping around Half Dome in Yosemite National Park, California … Wikipedia