| 21. | The �ngstr�m is internationally recognized, but is not a formal part of the International System of Units ( SI ).
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| 22. | The International System of Units ( SI ) specifies a set of seven powers of one or more of the base units.
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| 23. | The International System of Units usually only permits the use of a capital letter when a unit is named after a person.
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| 24. | Under this system, which would become the International System of Units ( SI ), the ohm is a derived unit.
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| 25. | In the International System of Units ( SI ), the unit of energy is the joule, named after James Prescott Joule.
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| 26. | In the International System of Units ( SI ), the unit is the newtons per square metre ( N / m?).
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| 27. | The system was developed because of the difficulties in measuring and expressing astronomical data in International System of Units ( SI units ).
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| 28. | This usage is also not part of the International System of Units and when used this way it is redundant with the mole.
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| 29. | Now there is a global standard, the International System of Units ( SI ), the modern form of the metric system.
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| 30. | The International System of Units has been developed countries; however, the adoption has not been universal in all English-speaking countries.
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