A resin-made base body 1 has first recessed portions 11 and 12 for respectively accommodating a plurality of pulse transformers as well as second recessed portions 13 and 14 for accommodating common mode choke coils which are respectively connected to the pulse transformers. The invention also concerns a composition for capillary electrophoresis and a kit for analyzing protein constituents. 0% of oxide with a perovskite structure;2. Similarity of queries can be determined based upon search terms.