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文献和实验Brown, W.F. 1972. A method for estimating the number of motor units in thenar muscles and the changes in motor unit count with ageing. J. Neurol. Neurosurg. Psychiatry 35:845‐852.
, at 20,000 RPM (k=402), the time required to sediment a particle of100 S, in water at 20 ° C is calculated by: t = 402/100or 4.02 hours (4 hrs, 1 min) Table F.2 presents the k values for the Sorvall SS-34 rotor and for the Sorvall GSA rotor
For a Sorvall SS-34, for example, at 20,000 RPM (k=402), the time required to sediment a particle of100 S, in water at 20 ° C is calculated by: t = 402/100or 4.02 hours (4 hrs, 1 min) Table F.2 presents the k values for the Sorvall SS-34 rotor
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