采用XRD、SEM、IR分析技术对催化剂的晶体结构、表面形貌及组成进行了表征，并利用方波电位法对电极的真实表观面积进行了测量。
The morphology, crystal structure and composition of catalysts are characterized by XRD, SEM and IR, respectively. The square wave potential technique is used to assess the real surface area.
根据头表观测电位反演脑电源的空间位置是脑电研究中的一个重要问题。
It is an important topic in electroencephalography (EEG) research to localize the EEG activity sources from the scalp recordings.
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