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Eka

Eka or EKA may refer to:

  • A prefix used to name chemical elements predicted by Mendeleev
  • Murray Field, an airport which has IATA airport code EKA
  • David W. Eka, an African church leader
  • Eka Darville, an Australian actor
  • EKA (supercomputer), a supercomputer developed by Tata Sons
  • Eesti Kunstiakadeemia (Estonian Academy of Arts)
  • EKA (knives), a Swedish knives manufacturer
  • Engaging Key Assets (EKA), a type of leadership style
  • Eka, an extinct Swedish noble family to which the mother of King Gustav I belonged
  • See also

  • Eka tala, a tala in Carnatic music
  • Řeka

     Řeka  (Polish: Rzeka , Cieszyn Silesian: Rzyka ) (literally a river) is a village in Frýdek-Místek District, Moravian-Silesian Region, Czech Republic. It had a population of 466 (2001 census), 21.5% of the population are the Poles. Village lies near the Moravian-Silesian Beskids mountains, and Ropičanka River flows through it. It lies in the historical region of Cieszyn Silesia.

    History

    The settlement along mountainous part of the Ropičanka River was led from Smilovice tracing back to the 16th century. In 1592 the noble owners of Smilovice had a litigation with Sidonia Catherine, the ruler of the Duchy of Teschen. From the accompanying document the established of the Řeka village can be inferred to happen around 1587. In 1643 the village was mentioned as rzeka Smilowiczka, in 1647 as na Smilowskej Rzice, later on the adjective referring to Smilovice was dropped in the 19th century. It belonged then to the Duchy of Teschen, a fee of the Kingdom of Bohemia and a part of the Habsburg Monarchy.

    Mendeleev's predicted elements

    Dmitri Mendeleev published the first periodic table of the chemical elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest. When Mendeleev proposed his periodic table, he noted gaps in the table, and predicted that as-yet-unknown elements existed with properties appropriate to fill those gaps.

    Prefixes

    To give provisional names to his predicted elements, Mendeleev used the prefixes eka-, dvi-, and tri-, from the Sanskrit names of digits 1, 2, and 3, depending upon whether the predicted element was one, two, or three places down from the known element of the same group in his table. For example, germanium was called ekasilicon until its discovery in 1886, and rhenium was called dvi-manganese before its discovery in 1926.

    The eka- prefix was used by other theorists, and not only in Mendeleev's own predictions. Before the discovery, francium was referred to as eka-caesium and astatine as eka-iodine. Sometimes, eka- is still used to refer to some of the transuranic elements, for example eka-radon for ununoctium and eka-actinium (or dvi-lanthanum) for unbiunium. But current official IUPAC practice is to use a systematic element name based on the atomic number of the element as the provisional name, instead of being based on its position in the periodic table as these prefixes require.

    Radio Stations - Řeka

    RADIO STATION
    GENRE
    LOCATION
    FAJN RADIO Contemporary Czech Republic
    Radio 7 (TWR) Religious,Christian Czech Republic
    ČRo Region (Vysočina) Varied Czech Republic
    Radio Contact Liberec Adult Contemporary Czech Republic
    Rock Radio Gold Rock Czech Republic
    FUN ONE STATION (Fun1) Dance Czech Republic
    Radio Jihlava Pop Czech Republic
    AWradio Christian Contemporary,Religious,Christian Czech Republic
    Radio Golf Sports Czech Republic
    DFR Radio Experimental,Electronica Czech Republic
    RockJam Indies Indie Rock Czech Republic
    Free Rádio 107 Dance Czech Republic
    Rádio Zlatka Dance Czech Republic
    Frekvence 1 Romantika Pop Czech Republic
    Hitrádio Faktor Adult Contemporary Czech Republic
    Hitrádio Orion Morava Adult Contemporary Czech Republic
    FWDS Pop Pop Czech Republic
    Radio23 Psytrance Electronica Czech Republic
    Fajn North Music Contemporary Czech Republic
    Radio Spin R&B,Hip Hop Czech Republic
    Radio Haná Pop Czech Republic
    Radio Sázava Adult Contemporary Czech Republic
    ABradio: Country Country Czech Republic
    Radio Valašsko Contemporary Czech Republic
    Evropa2 Rock,Pop,Dance Czech Republic
    Clubradio.cz Dance Czech Republic
    Fajn Radio Agara Contemporary Czech Republic
    Radio Čas Ostrava Pop Czech Republic
    Radio23 Hardcore Experimental,Electronica Czech Republic
    Radio Samson Country,Folk Czech Republic
    Radio Jih Cimbálka Folk,World Europe Czech Republic
    Radio Bonton Rock,Pop Czech Republic
    SeeJay Radio Dance Czech Republic
    ČRo Sever Varied Czech Republic
    Radio23 Live Channel Electronica Czech Republic
    Radio Blaník Pop Czech Republic
    Hitrádio Magic Adult Contemporary Czech Republic
    Frekvence 1 Osmdesátky 80s Czech Republic
    PIGY Pohádky Kids Czech Republic
    RFX Reggae Radio Reggae Czech Republic
    Sensation Factory Dance,Electronica Czech Republic
    Kiss Hády Pop Czech Republic
    Radio Gothic Alternative Czech Republic
    Radio Domino (CZ) Pop,Talk Czech Republic
    ČRo Liberec Varied Czech Republic
    RFE/RL Ch. 5 News Talk Czech Republic
    Radio Čas Olomouc Pop Czech Republic
    Frekvence 1 Pop Czech Republic
    Metalomanie Rock Czech Republic
    ČRo Ostrava Varied Czech Republic
    Radio Egrensis Pop Czech Republic

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    I Bought A Flat Guitar Tutor

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