| 11. | The sign convention used above corresponds to the signs obtained by multiplying two quaternions.
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| 12. | This statement by Crawford, for, uses the sign convention of IUPAC, not that of Clausius.
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| 13. | Using either sign convention for work, the change in internal energy of the system is:
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| 14. | Finally, there would be reports on sign conventions, notation, tolerances and the specification of optical drawings.
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| 15. | Some authors use a sign convention for weights that is the negation of that presented here.
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| 16. | One is the " half-arrow " sign convention.
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| 17. | 1881-Britain persuades Turkey to sign convention with Greece, whereby Greece gets Thessaly and parts of Epirus.
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| 18. | For further interoperability, CANaerospace defines aerospace specific axis systems with the corresponding sign conventions and physical units.
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| 19. | In the sign convention used in optical design, a concave mirror has negative radius of curvature, so
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| 20. | Note however that " in areas of optics other than design ", other sign conventions are sometimes used.
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