return-current coefficient
61Power dividers and directional couplers — A 10 dB 1.7–2.2 GHz directional coupler. From left to right: input, coupled, isolated (terminated with a load), and transmitted port …
62Shrouded tidal turbine — An emerging tidal stream technology is the shrouded tidal turbine enclosed in a Venturi shaped shroud or duct producing a sub atmosphere of low pressure behind the turbine, allowing the turbine to operate at higher efficiency (than the Betz limit …
63reproductive behaviour — In animals, any activity directed toward perpetuation of a species. Sexual reproduction, the most common mode, occurs when a female s egg is fertilized by a male s sperm. The resulting unique combination of genes produces genetic variety that… …
64Iceland — Infobox Country native name = Lýðveldið Ísland conventional long name = Republic of Iceland common name = Iceland map caption = Location of Iceland (red) in Europe (white) national motto = national anthem = Lofsöngur official languages =… …
65Interest — For other uses, see Interest (disambiguation). Interest is a fee paid by a borrower of assets to the owner as a form of compensation for the use of the assets. It is most commonly the price paid for the use of borrowed money,[1] or money earned… …
66Balance wheel — in a cheap 1950s alarm clock, the Apollo, by Lux Mfg. Co. showing the balance spring (1) and regulator (2) …
67GoldenGem — is a neural network computer program. The default configuration is the standard one, a three level perceptron, which was shown simultaneously, but independently, to be a universal nonlinear function approximator in two articles in the same… …
68Colombia — This article is about the country. For other uses and spellings, see Colombia (disambiguation) and Colombia (disambiguation). Republic of Colombia República de Colombia (Spanish) …
69Monopoly — This article is about the economic term. For the board game, see Monopoly (game). For other uses, see Monopoly (disambiguation). Competition law Basic concepts …
70Table tennis — Ping Pong redirects here. For other uses, see Ping Pong (disambiguation). Table tennis Table tennis at the highest level Highest governing body ITTF Nickname(s) Ping pong …
