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Mechanism of Nickel-Aluminium Alloy Electroplating

Journal of Wuhan University of Technology(Materials Science) 2003年第1期18卷 20-21页

作者：段友构 JishouUniversity

The effect of operating conditions on the aluminium content of Ni-Al alloy deposit and the catalytic function of NaF on electrodeposition in the nonaqueous solution containing aluminium are *** results indicate that the plated aluminuim content will be increased with the rise of current density in a given *** the current density is 2.5A/dm 2,nickle aluminium alloy containing 13.1 wt% aluminium will be *** plated aluminium content will be increased by 2wt% as 0.1mol/L NaF is added to the bath.

关键词： nickel aluminium alloy electrode position mechanism

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The impact of round window vs cochleostomy surgical approaches on interscalar excursions in the cochlea:Preliminary results from a flat-panel computed tomography study

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2016年第3期2卷 -页

作者： Nicole T. Jiam Charles J. Limb Department of 0tolaryngology e Head and Neck Surgery University of California San Francisco School of Medicine USA

Objective:To evaluate incidence of interscalar excursions between round window (RW) and cochleostomy approaches for cochlear implant (CI) insertion. Methods:This was a retrospective case-comparison. Flat-panel CT (FPCT) scans for 8 CI users with Med-El standard length electrode arrays were collected. Surgical technique was identified by a combination of operative notes and FPCT imaging. Four cochleae underwent round win-dow insertion and 4 cochleae underwent cochleostomy approaches anterior and inferior to the round window. Results:In our pilot study, cochleostomy approaches were associated with a higher likeli-hood of interscalar excursion. Within the cochleostomy group, we found 29% of electrode contacts (14 of 48 electrodes) to be outside the scala tympani. On the other hand, 8.5%of the electrode contacts (4 of 47 electrodes) in the round window insertion group were extra-scalar to the scala tympani. These displacements occurred at a mean angle of occur-rence of 364? ? 133?, near the apex of the cochlea. Round window electrode displacements tend to localize at angle of occurrences of 400? or greater. Cochleostomy electrodes occurred at an angle of occurrence of 19?e490?.

关键词： Cochlear implantation Round window insertion Cochleostomy Interscalar excursion electrode position Flat-panel computed tomography Surgical approach

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