Abstract: To provide a disposable diaper enabling reduction in re-wet amount and having an excellent speed of incorporating liquid regardless of concentration and configuration of a water-absorbing agent in an absorbent material. A water-absorbing agent having excellent Gel Capillary Absorption (GCA) and Free Gel Bed Permeability (FGBP) is obtained by crushing a crosslinked hydrogel polymer obtained in a polymerization step to have a specific weight average particle diameter while fluid retention capacity and a surface tension of a water-absorbing agent are adjusted in a specific range, drying the crushed crosslinked hydrogel polymer, and then adding a liquid permeability enhancer thereto during surface crosslinking or after surface crosslinking.

Abstract: A heater element includes: a honeycomb structure having an outer peripheral wall and partition walls disposed on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells each forming a flow path from a first end face to a second end face, the outer peripheral wall and the partition walls made of a material having a PTC property; and a pair of electrode layers provided on a surface of the outer peripheral wall. The honeycomb structure has a shape having a long axis and a short axis in a cross section orthogonal to a central axis.

Abstract: A heater element for heating a vehicle interior includes a pillar shaped honeycomb structure portion having: an outer peripheral wall; and partition walls arranged on an inner side of the outer peripheral wall, the partition walls defining a plurality of cells, each of the cells forming a flow path from a first end face to a second end face. The outer peripheral wall and the partition walls are made of a material having PTC characteristics. The heater element further includes a dense insulating film that covers at least a part of the pillar shaped honeycomb structure portion.

Abstract: A exhaust gas mixing apparatus includes an outer cylinder being configured to an insulating ceramic; fins being configured to an insulating ceramic, the fins being provided on an inner side of the outer cylinder; and an electric heating portion embedded in at least a part of the outer cylinder and/or the fins.

Abstract: A heater element for vehicle compartment heating in a vehicle, including a pillar-shaped honeycomb structure portion having: an outer peripheral side wall; and partition walls disposed inside the outer peripheral side wall, the partition walls defining a plurality of cells which form flow paths from a first end face to a second end face; wherein the partition walls have PTC characteristics; an average thickness of the partition walls is 0.13 mm or less; and an open frontal area on the first and second end faces is 0.81 or more.

Abstract: A exhaust gas mixing apparatus includes an outer cylinder being configured to an insulating ceramic; fins being configured to an insulating ceramic, the fins being provided on an inner side of the outer cylinder; and an electric heating portion embedded in at least a part of the outer cylinder and/or the fins.

Abstract: A flow-straightening device at a coupling portion between: an air supply chamber adjacent to a coating chamber and supplying air to the coating chamber via a filter provided at a boundary wall between the air supply chamber and the coating chamber; and an air supply duct supplying air to the air supply chamber in a direction along the boundary wall. When a direction parallel to the boundary wall and perpendicular to the air supply chamber width direction is an air supply chamber depth direction; and a direction perpendicular to the boundary wall is an air supply chamber thickness direction, the device includes a plurality of fins arranged in the air supply chamber width direction and the air supply chamber depth direction and juxtaposed to each other to be spaced apart from each other in the chamber thickness direction.

Abstract: A flow-straightening device at a coupling portion between: an air supply chamber adjacent to a coating chamber and supplying air to the coating chamber via a filter provided at a boundary wall between the air supply chamber and the coating chamber; and an air supply duct supplying air to the air supply chamber in a direction along the boundary wall. When a direction parallel to the boundary wall and perpendicular to the air supply chamber width direction is an air supply chamber depth direction; and a direction perpendicular to the boundary wall is an air supply chamber thickness direction, the device includes a plurality of fins arranged in the air supply chamber width direction and the air supply chamber depth direction and juxtaposed to each other to be spaced apart from each other in the chamber thickness direction.

Abstract: A coating booth includes a water flow board laterally opposing a coat-processing region and structuring part of an inner side surface of the coating booth, a water supply unit supplying water to the upper edge of the front surface of the water flow board oriented toward the coat-processing region, to allow the water to flow down along the front surface of the water flow board, a water collection unit disposed below the water flow board and collecting the water flowed down from the water flow board, a plurality of air passages dispersedly provided at the water flow board penetrating through the front and rear sides of the water flow board, and an air intake chamber provided on the rear side of the water flow board and communicating with the coat-processing region via the plurality of air passages, and communicating with an air intake duct provided outside the coating booth.