## obo-unit — A discussion list for units.

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 [Obo-unit] Several comments on units 1.7 From: Xavier Robin - 2007-01-31 13:54:06 ```Hello, Some comments in random order about units.obo (ver 1.7). - coulomb (UO:0000220) There is an additional "\n" in the definition - electric potential difference (UO:0000217) Symbol V is for volt (UO:0000218). - units derived from volt (KV, etc.) are missing. - missing unit degree Celsius. http://www.physics.nist.gov/cuu/Units/units.html - year (UO:0000036) According to Wikipedia and common scientific practice, a year is 365.25 days, not 365. http://en.wikipedia.org/wiki/Year#Julian_year - hour (UO:0000032) Symbol is "h", not "hr". http://www.physics.nist.gov/cuu/Units/outside.html - cubic centimeter (UO:0000097) Symbol is cm^3, not cc. - kilobyte (UO:0000234) and megabyte (UO:0000235) According to the SI, 1 KB = 1000 B and 1 MB = 1000 KB = 1 000 000 B. The kibibyte (KiB) should be used for 1024 (2^10) B and the mebibyte (MiB) should be used for 1024 KiB = 1 048 576 (2^20) B. http://www.physics.nist.gov/cuu/Units/binary.html Hope this can be useful. Xavier ```

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