Abstract: The present invention pertains to a fungicide that causes little environmental pollution and has excellent safety, a fungicide product having a fungicide layer containing said fungicide, and a fungicidal coating containing said fungicide, the fungicide being represented by formula (1) Ln2xFe2(1-x)O3 (in formula (1), Ln is a rare earth element selected from the group consisting of lanthanum, praseodymium, neodymium and yttrium; and x is a number that is at least 0.45 and is less than 1.00).

Abstract: The present invention pertains to an antimicrobial agent that causes little environmental pollution and has excellent safety, an antimicrobial product having an antimicrobial layer containing said antimicrobial agent, and an antimicrobial coating containing said antimicrobial agent, the antimicrobial agent being represented by formula (1) Ln2xFe2(1-x)O3 (in formula (1), Ln is a rare earth element selected from the group consisting of lanthanum, praseodymium, neodymium and yttrium; and x is a number that is at least 0.55 and is less than 1.00).

Abstract: A robot according to an embodiment includes a flange, a wrist arm, a forearm, and a feeder. The flange configured so that a welding torch is attached thereto and configured to rotate about a T axis. The wrist arm configured to rotate about a B axis substantially perpendicular to the T axis and configured to support the flange. The forearm configured to support the wrist arm. The feeder attached to a position between a base end and a tip end of the forearm and configured to feed a welding wire.

Abstract: A robot according to an embodiment includes a flange, a wrist arm, a forearm, a feeder, and a power cable. The flange configured so that a welding torch is attached thereto and configured to rotate about a T axis. The wrist arm configured to rotate about a B axis substantially perpendicular to the T axis and configured to support the flange. The forearm configured to support the wrist arm. The feeder attached to a position between a base end and a tip end of the forearm and configured to feed a welding wire. The power cable is a supply route of electricity to the welding torch and is provided separately from a feeding route of the welding wire.

Abstract: A robot according to an embodiment includes a flange, a wrist arm, a forearm, a feeder, and a power cable. The flange configured so that a welding torch is attached thereto and configured to rotate about a T axis. The wrist arm configured to rotate about a B axis substantially perpendicular to the T axis and configured to support the flange. The forearm configured to support the wrist arm. The feeder attached to a position between a base end and a tip end of the forearm and configured to feed a welding wire. The power cable is a supply route of electricity to the welding torch and is provided separately from a feeding route of the welding wire.

Abstract: A robot according to an embodiment includes a flange, a wrist arm, a forearm, and a feeder. The flange configured so that a welding torch is attached thereto and configured to rotate about a T axis. The wrist arm configured to rotate about a B axis substantially perpendicular to the T axis and configured to support the flange. The forearm configured to support the wrist arm. The feeder attached to a position between a base end and a tip end of the forearm and configured to feed a welding wire.

Abstract: An arc welding apparatus includes a difference calculator configured to calculate a difference voltage value by subtracting a welding voltage value from a target voltage value; a speed setter configured to set an advancing speed and a retreating speed of a welding consumable with respect to a workpiece to increase a ratio of a magnitude of the retreating speed to a magnitude of the advancing speed corresponding to an increase in the difference voltage value; and a driver configured to drive the welding consumable at the advancing speed and the retreating speed to generate a short circuit condition and an arc condition.

Abstract: A method of joining together a pair of members each having a high thermal conductivity includes forming a joining surface of a first of these two members with either of a plurality of projecting portions and a plurality of projecting and recessed portions; forming a joining surface of a second of the extruded members with either a plurality of recessed portions each of which corresponds to a selected one of the projecting portions and a plurality of projecting portions each of which corresponds to a selected one of the recessed portions of the projecting and recessed portions of the first member; and inserting under pressure each of the projecting portions of one of the two extruded members into each of the recessed portions that corresponds thereto, of another of the two extruded members, with a tolerance that is sufficient to induce a plastic deformation in each of the members.