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  2. Tetrahydrofuran - Wikipedia

    en.wikipedia.org/wiki/Tetrahydrofuran

    Tetrahydrofuran (THF), or oxolane, is an organic compound with the formula (CH 2) 4 O. The compound is classified as heterocyclic compound, specifically a cyclic ether. It is a colorless, water- miscible organic liquid with low viscosity. It is mainly used as a precursor to polymers. [8]

  3. 140 (number) - Wikipedia

    en.wikipedia.org/wiki/140_(number)

    140 is an abundant number and a harmonic divisor number. [1] It is the sum of the squares of the first seven integers, which makes it a square pyramidal number. 140 is an odious number because it has an odd number of ones in its binary representation. The sum of Euler's totient function φ (x) over the first twenty-one integers is 140.

  4. Penicillin - Wikipedia

    en.wikipedia.org/wiki/Penicillin

    130–140% n-Heptylpenicillin: Penicillin IV: ... there is reduced number of porins; ... in a mixed bacterial infection, the Gram-positive bacteria can protect the ...

  5. Humidity - Wikipedia

    en.wikipedia.org/wiki/Humidity

    The numbers are exactly equal if we consider the gases as ideal. The addition of water molecules, or any other molecules, to a gas, without removal of an equal number of other molecules, will necessarily require a change in temperature, pressure, or total volume; that is, a change in at least one of these three parameters.

  6. Economy of Greece - Wikipedia

    en.wikipedia.org/wiki/Economy_of_Greece

    t. e. The economy of Greece is the 52nd largest in the world, with a nominal gross domestic product (GDP) of $252.732 billion per annum. [5] In terms of purchasing power parity, Greece is the world's 54th largest economy, at $436.757 billion per annum. [5] As of 2023, Greece is the sixteenth largest economy in the European Union and eleventh ...

  7. Economy of Norway - Wikipedia

    en.wikipedia.org/wiki/Economy_of_Norway

    The economy of Norway is a highly developed mixed economy with state-ownership in ... A number of political issues have had their origins ... 140%: Vestlandet: 39,400 ...

  8. Coins of the pound sterling - Wikipedia

    en.wikipedia.org/wiki/Coins_of_the_pound_sterling

    UK-issued coins are, on the other hand, generally fully accepted and freely mixed in other British dependencies and territories that use the pound. An extensive coinage redesign was commissioned by the Royal Mint in 2005, and new designs were gradually introduced into the circulating British coinage from summer 2008.

  9. List of countries by GDP (PPP) per capita - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_GDP...

    A country's gross domestic product (GDP) at purchasing power parity (PPP) per capita is the PPP value of all final goods and services produced within an economy in a given year, divided by the average (or mid-year) population for the same year. This is similar to nominal GDP per capita but adjusted for the cost of living in each country.