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impedance |
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impedanceTotal opposition of a circuit to the passage of alternating electric current. It includes the resistance R and the reactance X (caused by capacitance or inductance); the impedance can then be found using the equation Z2 = R2 + X2. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Key statement: Measuring of curing conditions by dielectric or impedance means to produce a process curve which defines the correlation between the curve and the desired part properties. Although numerous authors have provided evidence of the usefulness of ASSR testing, their reports have concerned patients whose middle ear impedance measures were normal We report the cases of 2 patients who, following improvement of abnormal middle ear impedance values, experienced a marked improvement in measurable thresholds by ASSR testing. Some of these methods include back-EMF sensing, the addition of a sense winding in the motor, or measuring the impedance change of the motor windings by injecting current pulses or a high frequency sense carrier. |
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