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  2. Currency pair - Wikipedia

    en.wikipedia.org/wiki/Currency_pair

    A currency pair is the quotation of the relative value of a currency unit against the unit of another currency in the foreign exchange market.The currency that is used as the reference is called the counter currency, quote currency, or currency [1] and the currency that is quoted in relation is called the base currency or transaction currency.

  3. List of countries by exchange rate regime - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    De Facto Classification of Exchange Rate Arrangements, as of April 30, 2021, and Monetary Policy Frameworks [2] Exchange rate arrangement (Number of countries) Exchange rate anchor Monetary aggregate target (25) Inflation Targeting framework (45) Others (43) US Dollar (37) Euro (28) Composite (8) Other (9) No separate legal tender (16) Ecuador ...

  4. Acetylene - Wikipedia

    en.wikipedia.org/wiki/Acetylene

    Acetylene (systematic name: ethyne) is the chemical compound with the formula C 2 H 2 and structure H−C≡C−H.It is a hydrocarbon and the simplest alkyne. [8] This colorless gas is widely used as a fuel and a chemical building block.

  5. 2-Pentyne - Wikipedia

    en.wikipedia.org/wiki/2-Pentyne

    2-Pentyne Skeletal formula of 2-pentyne ... Names Preferred IUPAC name. Pent-2-yne. Other names Ethylmethylacetylene, 1-Ethyl-2-methylacetylene propyl acetylene ...

  6. List of circulating currencies - Wikipedia

    en.wikipedia.org/wiki/List_of_circulating_currencies

    However, excluding the pegged (fixed exchange rate) currencies, there are only 130 currencies that are independent or pegged to a currency basket. Dependencies and unrecognized states are listed here only if another currency is used on their territory that is different from the one of the state that administers them or has jurisdiction over them.

  7. Pentene - Wikipedia

    en.wikipedia.org/wiki/Pentene

    The branched isomers are 2-methylbut-1-ene, 3-methylbut-1-ene (isopentene), and 2-methylbut-2-ene (isoamylene). Isoamylene is one of the three main byproducts of deep catalytic cracking (DCC), which is very similar to the operation of fluid catalytic cracking (FCC).

  8. Exchange rate - Wikipedia

    en.wikipedia.org/wiki/Exchange_rate

    The future exchange rate is reflected into the forward exchange rate stated today. In our example, the forward exchange rate of the dollar is said to be at a discount because it buys fewer Japanese yen in the forward rate than it does in the spot rate. The yen is said to be at a premium. UIRP showed no proof of working after the 1990s.

  9. Steam cracking - Wikipedia

    en.wikipedia.org/wiki/Steam_cracking

    The main differences between each of them concerns the catalyst employed, design of the reactor and strategies to achieve higher conversion rates. [1] Olefins are useful precursors to myriad products. Steam cracking is the core technology that supports the largest scale chemical processes, i.e. ethylene and propylene. [2]