Abstract: In a method for producing an oil-in-water emulsion, a jet of an oil-in-water pre-emulsion (L1) containing an oil phase dispersed in a first aqueous phase is added to a second aqueous phase (L2).

Abstract: Provided are a casing for an electrical apparatus for housing an electrical apparatus includes: a casing body having an opening; a cover body that includes a flat plate-like cover portion having a rectangular shape for covering the opening, and outer side surface cover portions that are continuous to respective sides of the flat plate-like cover portion and cover outer side surfaces of the casing body; and first ribs that are provided on the outer side surfaces of the casing body covered by the outer side surface cover portions and extend along the respective sides, and a power control apparatus that includes the casing for an electrical apparatus and the electrical apparatus housed in the casing for an electrical apparatus.

Abstract: A casing (2) for an electrical apparatus for housing an electrical apparatus (3) includes: a casing main body (10); a cover body (20) that includes a flat plate-like cover portion (21), a first curved cover portion (24), and a second curved cover portion (25) and is attached to the casing body (10) to cover an opening (10b); a first sealing member (5) and a second sealing member (6) that are arranged between the casing body (10) and the flat plate-like cover portion (21) and seal between the casing body (10) and the flat plate-like cover portion (21); and a communication portion (60) that is provided inside the first curved cover portion (24) and the second curved cover portion (25) in a manner extending in a direction along respective sides (21a, 21b) of the flat plate-like cover portion (21) and communicates with outside between the first curved cover portion (24) and the casing body (10) and between the second curved cover portion (25) and the casing body (10).

Abstract: Provided are a casing for an electrical apparatus for housing an electrical apparatus includes: a casing body having an opening; a cover body that includes a flat plate-like cover portion having a rectangular shape for covering the opening, and outer side surface cover portions that are continuous to respective sides of the flat plate-like cover portion and cover outer side surfaces of the casing body; and first ribs that are provided on the outer side surfaces of the casing body covered by the outer side surface cover portions and extend along the respective sides, and a power control apparatus that includes the casing for an electrical apparatus and the electrical apparatus housed in the casing for an electrical apparatus.