WebThe sea has an approximate area of 595,000 km 2 (230,000 sq mi) and is only navigable about four months of the year. The main geological feature of the Chukchi Sea bottom is the 700-kilometer-long (430 mi) Hope Basin, which is bound to the northeast by the Herald Arch. Depths less than 50 meters (160 ft) occupy 56% of the total area. The Chukchi …

WebFRISS HÍREK, KÉPEK, VIDEÓK – Gyorsan és tömören. Belföldi és külföldi hírek. Közélet, üzlet, sport, kultúra, tudomány, technika, szórakozás ...

Web最適化問題（さいてきかもんだい、英: optimization problem ）とは、特定の集合上で定義された実数値関数または整数値関数についてその値が最小（もしくは最大）となる状態を解析する問題である 。 こうした問題は総称して数理計画問題（すうりけいかくもんだい、英: mathematical programming problem, mathematical program）、数理計画とも呼ばれる …

WebGenetic studies on Jews are part of the population genetics discipline and are used to analyze the chronology of Jewish migration accompanied by research in other fields, such as history, linguistics, archaeology, and paleontology.These studies investigate the origins of various Jewish ethnic divisions.In particular, they examine whether there is a common …

WebStochastic gradient descent (often abbreviated SGD) is an iterative method for optimizing an objective function with suitable smoothness properties (e.g. differentiable or subdifferentiable).It can be regarded as a stochastic approximation of gradient descent optimization, since it replaces the actual gradient (calculated from the entire data set) by …

WebThe macula (/ˈmakjʊlə/) or macula lutea is an oval-shaped pigmented area in the center of the retina of the human eye and in other animals. The macula in humans has a diameter of around 5.5 mm (0.22 in) and is subdivided into the umbo, foveola, foveal avascular zone, fovea, parafovea, and perifovea areas. The anatomical macula at a size of 5.5 mm (0.22 …

WebIn the context of education, one-to-one computing (sometimes abbreviated as "1:1") refers to academic institutions, such as schools or colleges, that allow each enrolled student to use an electronic device in order to access the Internet, digital course materials, and digital textbooks. The concept has been actively explored and sporadically implemented since …

WebÉlete. 1989-ben kezdett zongorázni Esze Jenőnél. 1994-ben kapta az első zenekari felkérést St. Martintól, akivel 1997-ig együtt zenélt. 1997-ben a V.I.P. együttesben folytatta a zenélést, mint zeneszerző, előadó. 2001-ben az együttes felbomlása után az R-Port együttesben folytatta karrierjét.. Zenei producerként közreműködött Zsédenyi Adrienn …

WebThe 2014 FIFA World Cup Final was the final match of the 2014 World Cup.The match between Germany and Argentina was played at the Maracanã Stadium in Rio de Janeiro, Brazil, on 13 July 2014.With the match goalless after 90 minutes, it went to extra time, in the second period of which Germany broke the deadlock. Mario Götze, who had come on as …

Web上皮間葉転換（じょうひかんようてんかん、英: Epithelial-Mesenchymal Transformation ）または上皮間葉移行（Epithelial-Mesenchymal Transition）、略称EMTは、上皮細胞がその細胞極性や周囲細胞との細胞接着機能を失い、遊走、浸潤能を得ることで間葉系様の細胞へと変化する過程である。 上皮間葉転換は中胚葉形成や神経管形成などを含むさまざ …