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  1. en.wikipedia.org › wiki › PiPi - Wikipedia

    10 ώρες πριν · The number π (/ p aɪ /; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.The number π appears in many formulae across mathematics and physics.It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although fractions such as are commonly used to ...

  2. en.wikipedia.org › wiki › Cold_fusionCold fusion - Wikipedia

    10 ώρες πριν · 4 He * → n + 3 He + 3.3 MeV (ratio=50%) 4 He * → p + 3 H + 4.0 MeV (ratio=50%) 4 He * → 4 He + γ + 24 MeV (ratio=10 −6) Only about one in a million of the intermediaries take the third pathway, making its products very rare compared to the other paths. This result is consistent with the predictions of the Bohr model.

  3. 1 ημέρα πριν · Proportional representation (PR) refers to any type of electoral system under which subgroups of an electorate are reflected proportionately in the elected body. The concept applies mainly to political divisions (political parties) among voters.The essence of such systems is that all votes cast – or almost all votes cast – contribute to the result and are effectively used to help elect ...

  4. 6 ώρες πριν · Welcome to the HCL Technologies Stock Liveblog, your go-to platform for real-time updates and analysis on a top-performing stock. Stay ahead of the market with our in-depth coverage of HCL Technologies, including: Last traded price 1533.4, Market capitalization: 416113.41, Volume: 4441, Price-to-earnings ratio 26.5, Earnings per share 57.86. Get a complete picture of HCL Technologies's ...

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