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The effects of polarity of click stimulation on auditory brainstem responses (ABR) in patients with cochlear and retro-cochlear disorders in Amiralam and Resalat Hospitals 1995-97
Auditory brainstem response (ABR) Polarity Latency Cochlear Retro-cochlear
2010/1/4
Background: Auditory brainstem response (A.B.R) is one of the most important electrophysiological tests in evaluating of auditory system, especially for diagnosing of auditory nerve and brainstem diso...
Characterization of calcium phosphate deposited on valve metal by anodic oxidation with polarity inversion
Calcium phosphate Valve metal Anodic oxidation
2009/9/11
Electrochemical deposition of calcium phosphate (CAP) on valve metals such as Ta, Nb, and Zr, was performed by anodic oxidation with alternate polarity inversion at an applied 20 VDC. A saturated hydr...