| 21. | Dimensionless coupling constants are the technical hallmark for the upper critical dimension.
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| 22. | Where the dimensionless quantity is called the spin-factor.
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| 23. | But worse still-many of the constants are dimensionless.
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| 24. | These performance characteristic curves are usually plotted with dimensionless variables.
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| 25. | Also, what is quasi-dimensionless supposed to mean?
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| 26. | The logarithmic residence time is a dimensionless variation of the residence time.
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| 27. | Notice that we have removed relative permeability which is a dimensionless parameter.
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| 28. | When radians are used angles are considered as dimensionless.
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| 29. | So far, this decomposition is quite general and all terms are dimensionless.
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| 30. | Where " ? " is a dimensionless number of order 1.
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