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1. Based on the number set, a new commutative semi-group is established in the integer number and extended in number fields of rational number, real number and the complex number.
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2. Based on the number set, a new commutative semi-group is established in the integer number and extended in number fields of rational number, real number and the complex number.
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3. Determines the Pump Octane Number (AKI), Research Octane Number (RON), Motor Octane Number (MON) of unleaded gasolines, optional Cetane IndexCetane Number for diesel fuels.
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4. Determines the Pump Octane Number (AKI), Research Octane Number (RON), and Motor Octane Number (MON) of unleaded gasolines, and optional Cetane Index and Cetane Number for diesel fuels.
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5. The first number refers to the paper number, and the second number refers to the first or the second discussant.
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concrete number denominate number
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concrete number denominate number
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