Abstract: A power supply unit includes a power supply and a converter. The converter performs operation selected from the group consisting of boosting and stepping down of an output voltage of the power supply; and includes a reactor in which n-phase coils are magnetically coupled to each other, n-phase switches, and a control unit. The control unit controls duty cycles of the n-phase switches; monitors a current value flowing through the n-phase coils; and performs phase switching control when the control unit determines that an operation condition described below is satisfied, the phase switching control being control in which the control unit performs phase switching from in phase to out of phase in the case where the n-phase switches are being driven in phase and performs phase switching from out of phase to in phase in the case where the n-phase switches are being driven out of phase.

Abstract: Provided is a water-soluble metalworking oil comprising a base oil (A) comprising oil-soluble polyalkylene glycol (A1), wherein a total content of water-soluble polyalkylene glycol and methoxypolyethylene glycol is less than 60% by mass based on the total amount excluding water.

Abstract: The present invention provides a water-soluble metalworking oil composition, including: 5.0 to 20.0 mass % of a sulfur compound (A) that is one or more kinds selected from the group consisting of a sulfurized fat and oil and a sulfurized ester and has a kinematic viscosity of 10 to 800 mm2/s at 40° C.; 0.5 to 20.0 mass % of the nonionic surfactant (B) having an HLB of 6 to 18; 7.0 to 30.0 mass % of an unsaturated fatty acid polymer (C); and an amine compound (D) selected from the group consisting of a tertiary amine and a secondary amine.

Abstract: The present invention provides a water-soluble metalworking oil composition, including: 5.0 to 20.0 mass % of a sulfur compound (A) that is one or more kinds selected from the group consisting of a sulfurized fat and oil and a sulfurized ester and has a kinematic viscosity of 10 to 800 mm2/s at 40° C.; 0.5 to 20.0 mass % of the nonionic surfactant (B) having an HLB of 6 to 18; 7.0 to 30.0 mass % of an unsaturated fatty acid polymer (C); and an amine compound (D) selected from the group consisting of a tertiary amine and a secondary amine.

Abstract: An information processing device obtains measurement data for calculating biological information of a measurement subject from a sensor that performs measurement without contact. Based on content of the measurement data, the measurement data is classified into a group associated with at least a position of the measurement subject, the biological information is calculated from the classified measurement data, and the calculated biological information is compared with a reference value associated with a group to which the measurement data belongs. Then, a notification is made based on the comparing.

Abstract: Disclosed is a metalworking oil composition containing: at least one base oil (A) selected from a mineral oil and a synthetic oil; sulfurized oils and fats (B) having a kinematic viscosity at 40° C. of 60 mm2/s or more and 1,600 mm2/s or less; and a polymer (C) of an unsaturated fatty acid having a carbon number of 10 or more.

Abstract: An information displaying method includes: obtaining, for each of users, usage history information items on one or more appliances used by the user; calculating a utilization characteristic based on a usage history information item on a predetermined appliance among the one or more appliances used by a predetermined user among the users, the utilization characteristic being of the predetermined user using the predetermined appliance, and the usage history information item on the obtained predetermined appliance; obtaining, for each of the user, a post information item posted by the user; and displaying, in association with each other, (i) a utilization characteristic information item on the utilization characteristic calculated in the calculating and (ii) the post information item posted by the predetermined user, the utilization characteristic being of the predetermined user using the predetermined appliance, and the post information item being obtained in the obtaining of a post information item.

Abstract: The present invention relates to an electric discharge machining oil composition and an electric discharge machining method capable of enhancing machining speed in electric discharge machining. This electric discharge machining oil composition is characterized by including (A) a base oil, and (B) one or more types of petroleum resin selected from hydrogenated products of copolymers of dicyclopentadiene and an aromatic compound and having a softening point of 75 to 185° C. and a mean molecular weight (Mn) of 670 to 3000, wherein the kinematic viscosity of the electric discharge machining oil composition at 40° C. is 1 to 10 mm2/s. Further, the electric discharge machining method is characterized by employing said electric discharge machining oil composition, and includes interposing the electric discharge machining oil composition between a workpiece and an electrode, and generating an electric discharge between the workpiece and the electrode in this state to machine the workpiece.

Abstract: An information processing method performed with a processor includes determining whether a second dispensing amount of detergent to be dispensed in a washing apparatus in a scheduled first washing event falls below a threshold based on a remaining amount of the detergent in a detergent container of the washing apparatus and a first dispensing amount set for one washing event for washing a washing target, changing a third dispensing amount determined based on the first dispensing amount to be dispensed into the washing apparatus in a second washing event preceding the first washing event to a fourth dispensing amount equaling or exceeding the threshold when the second dispensing amount is determined to fall below the threshold, outputting information representing the fourth dispensing amount, and causing the washing apparatus to dispense the fourth dispensing amount of the detergent in the second washing event.

Abstract: Disclosed is an information providing method and so on including: obtaining a use history of a device used by a user for processing on a substance; and providing information according to the obtained use history to the user, wherein the processing on the substance includes a movement of the substance or a change in a temperature of the substance. This allows providing the user of the device with information suitable for the user when the user simply uses a device for doing routine housework, without requiring the user to input information such as search words.

Abstract: An air-conditioning control system includes an in-bed air conditioner which adjusts an in-bed temperature using air in a room interior, an in-room air conditioner which adjusts an in-room temperature, an in-bed environment measurer which measures the in-bed temperature, an in-room environment measurer which measures the in-room temperature, and an air-conditioning controller which performs first cooperation control that controls operation of the in-bed air conditioner and a wind direction of the in-room air conditioner on the basis of the in-bed temperature acquired from the in-bed environment measurer and the in-room temperature acquired from the in-room environment measurer.

Abstract: A control method causes the processor to execute: excluding one or more pieces of first vibration data from a plurality of pieces of vibration data stored in the memory, wherein the plurality of pieces of vibration data are acquired within one period, wherein vibration times associated with the one or more pieces of first vibration data are included in an operation period in which the user performed the operation with respect to the information terminal device, and wherein the operation period is specified based on the time in the log information stored in the memory; and updating the threshold value using at least one piece of vibration data in the plurality of pieces of vibration data from which the one or more pieces of first vibration data are excluded.

Abstract: Disclosed is a metalworking oil composition containing: at least one base oil (A) selected from a mineral oil and a synthetic oil; sulfurized oils and fats (B) having a kinematic viscosity at 40° C. of 60 mm2/s or more and 1,600 mm2/s or less; and a polymer (C) of an unsaturated fatty acid having a carbon number of 10 or more.

Abstract: An information processing method performed with a processor includes determining whether a second dispensing amount of detergent to be dispensed in a washing apparatus in a scheduled first washing event falls below a threshold based on a remaining amount of the detergent in a detergent container of the washing apparatus and a first dispensing amount set for one washing event for washing a washing target, changing a third dispensing amount determined based on the first dispensing amount to be dispensed into the washing apparatus in a second washing event preceding the first washing event to a fourth dispensing amount equaling or exceeding the threshold when the second dispensing amount is determined to fall below the threshold, outputting information representing the fourth dispensing amount, and causing the washing apparatus to dispense the fourth dispensing amount of the detergent in the second washing event.

Abstract: Disclosed is an information providing method and so on including: obtaining a use history of a device used by a user for processing on a substance; and providing information according to the obtained use history to the user, wherein the processing on the substance includes a movement of the substance or a change in a temperature of the substance. This allows providing the user of the device with information suitable for the user when the user simply uses a device for doing routine housework, without requiring the user to input information such as search words.

Abstract: An air-conditioning control system includes an in-bed air conditioner which adjusts an in-bed temperature using air in a room interior, an in-room air conditioner which adjusts an in-room temperature, an in-bed environment measurer which measures the in-bed temperature, an in-room environment measurer which measures the in-room temperature, and an air-conditioning controller which performs first cooperation control that controls operation of the in-bed air conditioner and a wind direction of the in-room air conditioner on the basis of the in-bed temperature acquired from the in-bed environment measurer and the in-room temperature acquired from the in-room environment measurer.

Abstract: An information processing device obtains measurement data for calculating biological information of a measurement subject from a sensor that performs measurement without contact. Based on content of the measurement data, the measurement data is classified into a group associated with at least a position of the measurement subject, the biological information is calculated from the classified measurement data, and the calculated biological information is compared with a reference value associated with a group to which the measurement data belongs. Then, a notification is made based on the comparing.

Abstract: Disclosed is an information providing method and so on including: obtaining a use history of a device used by a user for processing on a substance; and providing information according to the obtained use history to the user, wherein the processing on the substance includes a movement of the substance or a change in a temperature of the substance. This allows providing the user of the device with information suitable for the user when the user simply uses a device for doing routine housework, without requiring the user to input information such as search words.

Abstract: A water-soluble metalworking fluid of the invention contains a component (A) that is a dicarboxylic acid including a sulfide structure and a component (B) that is a monocarboxylic acid, in which the fluid contains no polyalkylene glycol. A metalworking coolant of the invention is provided by diluting the above-described water-soluble metalworking fluid with water.

Abstract: An electrical discharge machining oil composition of the invention includes an organic acid metal salt and a base oil, in which the organic acid metal salt is an organic acid salt of a metal having an electronegativity on Pauling scale of 2 or less, and the present composition has a volume resistivity at 80 degrees C. of 2×10?5 T?·m or more and a kinematic viscosity at 40 degrees C. in a range from 0.5 mm2/s to 10 mm2/s.