Wrocław

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Wrocław

Wrocław (/ˈvrɒtswəf/; Polish pronunciation: [ˈvrɔt͡swaf], German: Breslau, [bʁɛlaʊ]; Latin: Vratislavia) is the largest city in western Poland. It is on the River Oder in the Silesian Lowlands of Central Europe, roughly 350 kilometres (220 mi) from the Baltic Sea to the north and 40 kilometres (25 mi) from the Sudeten Mountains to the south. Wrocław is the historical capital of Silesia and Lower Silesia. Today, it is the capital of the Lower Silesian Voivodeship. At various times in history, it has been part of the Kingdom of Poland, Bohemia, Hungary, the Austrian Empire, Prussia, and Germany. It became part of Poland in 1945, as a result of the border changes after the Second World War. The population of Wrocław in 2014 was 634,487, making it the fourth-largest city in Poland.

Wrocław classified as a global city by GaWC, with the ranking of high sufficiency and living standard. It was among 230 cities in the world in the ranking of the consulting company Mercer - "Best City to Live" in 2015 and the only Polish city in this ranking has been recognized as a city growing at the business center.

Mass fraction (chemistry)

In chemistry, the mass fraction w_i is the ratio of one substance with mass m_i to the mass of the total mixture m_{tot}, defined as

The sum of all the mass fractions is equal to 1:

Mass fraction can also be expressed, with a denominator of 100, as percentage by mass (frequently, though erroneously, called percentage by weight, abbreviated wt%). It is one way of expressing the composition of a mixture in a dimensionless size; mole fraction (percentage by moles, mol%) and volume fraction (percentage by volume, vol%) are others.

For elemental analysis, mass fraction (or "mass percent composition") can also refer to the ratio of the mass of one element to the total mass of a compound. It can be calculated for any compound using its empirical formula or its chemical formula

Terminology

"Percent concentration" does not refer to this quantity. This improper name persists, especially in elementary textbooks. In biology, the unit "%" is sometimes (incorrectly) used to denote mass concentration, also called "mass/volume percentage." A solution with 1 g of solute dissolved in a final volume of 100 mL of solution would be labeled as "1 %" or "1 % m/v" (mass/volume). This is incorrect because the unit "%" can only be used for dimensionless quantities. Instead, the concentration should simply be given in units of g/mL. "Percent solution" or "percentage solution" are thus terms best reserved for "mass percent solutions" (m/m = m% = mass solute/mass total solution after mixing), or "volume percent solutions" (v/v = v% = volume solute per volume of total solution after mixing). The very ambiguous terms "percent solution" and "percentage solutions" with no other qualifiers continue to occasionally be encountered.

WW

WW may refer to:

  • Bmibaby (IATA airline code)
  • WOW air (IATA airline code)
  • Winchester and Western Railroad reporting mark
  • William H. Webster, a director of the FBI and CIA, referred to in the Kryptos sculpture as "WW"
  • William Whopper, an evil property developer in the Australian 1980 children's TV programme Secret Valley
  • an abbreviation for whitewater in the International Scale of River Difficulty
  • "Wrong word" in proofreading
  • the car number plate code for Wicklow, Ireland
  • the car number plate code for Westerwaldkreis, Germany
  • In entertainment:

  • WW (album), a 2005 album by the Norwegian metal group Gehenna
  • W&W

    W&W is a Dutch trance and electro house duo from Haarlem/Breda, consisting of Dutch Willem van Hanegem (born 25 June 1987) (Dutch pronunciation: [ˈʋɪ.ləm vɑn ˈɦaː.nə.ˌɣɛm]) and Wardt van der Harst (born 26 December 1988) [ˈʋɑrt fɑn dɛr ˈɦɑrst]. Willem is the son of the Dutch football player Willem van Hanegem.

    Discography

    Studio albums

    Compilation albums

  • Trance World Vol. 10 (2010)
  • Mainstage Vol. 1 (2012)
  • Singles

    Other tracks

  • 2014 W&W & Headhunterz - We Control the Sound
  • 2014 Hardwell & W&W - The Dance Floor Is Yours
  • 2014 W&W & Headhunterz - Shocker
  • 2014 W&W & BlasterJaxx - Rocket
  • 2014 W&W - Ghost Town
  • 2013 W&W - Thunder
  • 2013 W&W & Armin van Buuren - D# Fat
  • 2012 W&W - White Label
  • 2012 W&W - Moscow
  • 2012 W&W & Marcel Woods - Trigger
  • 2012 W&W & Jochen Miller - Summer
  • 2012 W&W - Shotgun
  • 2011 W&W - Invasion
  • 2011 W&W - Cookie Jar
  • 2011 W&W & Ummet Ozcan - Velicity
  • 2011 W&W & Leon Bolier - Treasure Chest
  • 2011 W&W feat. Emily - State of Emergency
  • 2011 W&W feat. Bree - Nowhere to Go
  • 2011 W&W - Search For Tomorrow
  • W.W. (automobile)

    W.W. (Winter), was an early British car made by Winter and Company of Wandsworth, London. They made two models between 1913 and 1914.

    The first car, the W.W. of 1913 was a light car powered by an 8hp V-twin engine bought in from the Precision company. This drove the rear wheels through a gear box by Chater-Lea and shaft drive to a worm gear final drive on the rear axle.

    For 1914 production changed to a cyclecar. This was sold as a Winter and had a Blumfield engine and friction drive with belt to the rear axle.

    The number made is not known.

    See also

  • List of car manufacturers of the United Kingdom
  • References

  • David Culshaw, Peter Horrobin: The Complete Catalogue of British Cars 1895-1975. Veloce Publishing plc, Dorchester 1997, ISBN 1-874105-93-6.
  • Harald Linz, Halwart Schrader: Die Internationale Automobil-Enzyklopädie. United Soft Media Verlag, München 2008, ISBN 978-3-8032-9876-8.
  • George Nick Georgano (Chefredakteur): The Beaulieu Encyclopedia of the Automobile. Volume 3: P–Z. Fitzroy Dearborn Publishers, Chicago 2001, ISBN 1-57958-293-1. (englisch)
  • Radio Stations - Wrocław

    RADIO STATION
    GENRE
    LOCATION
    Radio Bomblik Oldies Poland
    Radio Victoria Religious,Pop Poland
    RMF Celtic Folk Poland
    OdkryjRadio.pl Religious Poland
    Radio Leliwa Varied Poland
    RMF W Pracy 80s Poland
    Radio-Tube Minimal Techno Drum & Bass Poland
    MaxItalo Jukebox Varied Poland
    PolskaStacja Klasycznie Classical Poland
    ModFM Experimental,Electronica Poland
    PolskaStacja Hip Hop Hip Hop Poland
    RMF Relaks Easy Poland
    Eska Xtreme Rock Poland
    PolskaStacja Disco Polo Dance Poland
    PolskaStacja Jazz Jazz Poland
    Polskastacja Eurowizja Pop Poland
    Radio Centrum Rzeszow Varied Poland
    PolskaStacja Lounge Easy Poland
    Planeta Chic Dance Poland
    Radio Alex 105.2 Zakopane Varied Poland
    El-Stacja Electronica Poland
    RMF Blues Blues Poland
    Didgeridoo PL World Poland
    Radio Zet Lato Pop Poland
    Radio Plus Gorzów Varied Poland
    Radio RM80 80s Poland
    Radio 90 (PL) Varied Poland
    Polskastacja Modern Rock Rock Poland
    Eska Old's Cool Oldies Poland
    Radio Zet Rock Rock Poland
    Radio Plus Kraków Varied Poland
    Nadaje Asymmetry Festival Radio Alternative Poland
    Radio Rewers Jazz Groove Jazz Poland
    Radio Zet Chopin Classical Poland
    PolskaStacja 80s 90s 90s,80s Poland
    Radio Jasna Góra Religious Poland
    VOX Party Adult Poland
    Radio Plus Miłego Dnia Adult Poland
    Open.FM 500 Heavy Hits Rock Poland
    Radio VIA Christian Poland
    Radio Fama Sochachew Pop Poland
    Polskastacja Polskie Niezapomniane Przeboje Oldies Poland
    RMF Chopin Classical Poland
    PR 3 (Trójka) Varied Poland
    Antyradio Covers Varied Poland
    Radio GRA Włocławek Pop,Contemporary Poland
    RMF Groove Alternative,Jazz,Easy Poland
    RMF Poplista Pop Poland
    Radio TOP80 80s,Dance Poland
    PolskaStacja Drum&Bass Drum & Bass Poland
    Polskastacja Eden World,New Age Poland

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