A direct derivation of the relativistic velocity addition formula
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DOI: 10.1088/1361-6552/add82f
Abstract: A direct derivation of the relativistic velocity addition formula is presented without the use of the Lorentz transformation. The method entails the use of all the three relativistic effects along with the definition of velocity… read more here.
Keywords: addition formula; direct derivation; derivation relativistic; velocity ... See more keywords
A practical approach to the direct-derivation method for QPA: use of observed powder patterns of individual components without background subtraction in whole-powder-pattern fitting
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DOI: 10.1107/s1600576719003406
Abstract: The direct-derivation (DD) method for quantitative phase analysis (QPA) can be used to derive weight fractions of individual phases in a mixture from the sums of observed intensities along with the chemical composition data [Toraya… read more here.
Keywords: pattern; powder; direct derivation; powder pattern ... See more keywords