Abstract: A method for manufacturing a forged article, capable of improving the durability of a die for forging is provided. The method, includes forging a steel material, by using a die, by spraying or applying a water-soluble polymer lubricant containing 0.01 to 0.98 mass % of a water-soluble sulfate onto a working surface of the die, the die being made of a raw material having a constituent composition of by mass %, of 0.4 to 0.7% of C, 1.0% or less of Si, 1.0% or less of Mn, 4.0 to 6.0% of Cr, 2.0 to 4.0% of (Mo+½W), 0.5 to 2.5% of (V+Nb), 0 to 1.0% of Ni, 0 to 5.0% of Co, 0.02% or less of N, and a remnant composed of Fe and impurities, and having hardness of 55 to 60 HRC, and the die including a nitrided layer or a nitrosulfidized layer on the working surface thereof.

Abstract: A top-blowing lance nozzle is configured to freely switch an adequate expansion condition so as to control an oxygen-blowing amount and a jetting velocity independently of each other without requiring a plurality of lance nozzles or a mechanically movable part. A lance nozzle is configured to blow refining oxygen to molten iron charged in a reaction vessel while a gas is blown from a top-blowing lance to the molten iron. One or more blowing holes for blowing a working gas are on an inner wall side surface of the nozzle, at a site where the lance nozzle has a minimum cross-sectional area in a nozzle axis direction or at a neighboring site of the site.

Abstract: A molten iron refining method having, an auxiliary material, and an oxidizing gas supplied through a top-blowing lance, to a cold iron source and molten pig iron that are contained/fed in a converter-type vessel, and molten iron is subjected to a refining process. A pre-charged cold iron source is charged into the converter-type vessel at an amount not larger than 0.15 times. A furnace-top-added cold iron source that's part or all of the cold iron source and added from a furnace top is fed during the refining process. A burner at a leading end of the top-blowing lance that spray holes through which a fuel and a combustion-supporting gas are ejected. During the refining process, a powdery auxiliary material processed into powder that's part of the auxiliary material is blown in, to pass through a flame formed by the burner.

Abstract: A printed board coil forms a coil with a plurality of turns, each formed by stacking a first layer having a first winding pattern and a second layer having a second winding pattern while having an insulation layer intervening therebetween. The first layers and the second layers are used for forming each of the coils. The coils are stacked having each of the insulation layers intervening between the coils by arranging the first layer and the second layer alternately in the stacking direction of the respective layers. The coils are connected in parallel to one another.

Abstract: To provide a piezoelectric body film and a piezoelectric element from which an excellent piezoelectric characteristic can be obtained even in a high-temperature environment and a method for manufacturing a piezoelectric element. A piezoelectric body film of the present invention is a piezoelectric body film containing a perovskite-type oxide represented by Formula (1), in which a content q of Nb with respect to the number of all atoms in the perovskite-type oxide and a ratio r of a diffraction peak intensity from a (200) plane to a diffraction peak intensity from a (100) plane of the perovskite-type oxide, which is measured using an X-ray diffraction method, satisfy Formula (2), Formula (1) A1+?[(ZryTi1-y)1-xNbx]O2, Formula (2) 0.35?r/q<0.

Abstract: A semiconductor light-emitting device includes a GaAs (gallium arsenide) substrate of a cubic crystal, a light-emitting layer and a multi-semiconductor layer. The light-emitting layer being provided on the GaAs substrate. The light-emitting layer includes InGaAs (indium gallium arsenide) represented by a compositional formula InxGa1-xAs (0<x<1). The multi-semiconductor layer being provided on a front surface of the GaAs substrate between the GaAs substrate and the light-emitting layer. The multi-semiconductor layer is tilted with respect to a (100) plane of the cubic crystal. The multi-semiconductor layer includes a first layer and a second layer. The first and second layers are alternately stacked in a direction perpendicular to the front surface of the GaAs substrate. The first layer is different in composition from the second layer.

Abstract: Provided is a fan control apparatus which includes: a first sensor; a second sensor; an RF fan; and a controller. The first sensor is provided in a first room, and is configured to acquire a measured value of at least one condition selected from conditions of atmospheric pressure, temperature, and humidity for the first room, the second sensor is provided in a second room adjacent to the first room, and is configured to acquire a measured value of the same condition as the at least one selected condition for the second room, the RF fan is placed at a boundary between the first and second rooms, and the controller is configured to control a rotational speed and rotational direction of the RF fan in such a manner that the measured values of the first and second sensors are the same.

Abstract: Provided are an electroacoustic transduction film capable of reproducing a sound with a sufficient sound volume at a high conversion efficiency, a manufacturing method thereof, an electroacoustic transducer, a flexible display, a vocal cord microphone, and a sensor for a musical instrument.

Abstract: A waterproof fan includes: a rotating blade configured to be rotatable about a rotation axis; a rotor including a permanent magnet; a stator including a plurality of stator cores located on an inner diameter side relative to the rotating blade, the plurality of stator cores extending in a radial direction relative to the rotation axis, and windings each wound around a respective stator core; a circuit board electrically connected to the windings; a waterproof cover including a first resin, the waterproof cover covering the circuit board; and a molded portion including a second resin, the molded portion covering at least the stator, the waterproof cover includes: a partitioning portion separating the windings from the circuit board; and a protruding portion protruding from the partitioning portion into a space between the windings, and gaps between the windings, and the partitioning portion and the protruding portion are filled with the second resin.

Abstract: A vibration control device is provided which enables an awakening effect for a user to be increased while making it difficult to give discomfort to the user. A harmonic signal generating section of a vibration control device is configured to successively output a plurality of alternating signals for driving a vibration unit. By way of the plurality of alternating signals which is successively output and has a frequency ratio represented with a predetermined integer ratio, vibration generated with the plurality of alternating signals can more easily awaken a user while making it difficult to give discomfort to the user.

Abstract: Provided are an electroacoustic transduction film capable of reproducing a sound with a sufficient sound volume at a high conversion efficiency, a manufacturing method thereof, an electroacoustic transducer, a flexible display, a vocal cord microphone, and a sensor for a musical instrument.

Abstract: Provided is a piezoelectric film that has a perovskite structure preferentially oriented to a (100) plane and that comprises a composite oxide represented by the following compositional formula: Pba[(ZrxTi1-x)1-yNby]bO3 wherein 0<x<1, and 0.10?y<0.13, in which in a case where a ratio I(200)/I(100) of a diffraction peak intensity I(200) from a perovskite (200) plane with respect to a diffraction peak intensity I(100) from a perovskite (100) plane, as measured by an X-ray diffraction method, is r, and a/b is q, 0.28r+0.9?q?0.32r+0.95, 1.10?q?1.25, and r?1.00 are satisfied.

Abstract: Provided are an electroacoustic transduction film capable of reproducing a sound with a sufficient sound volume at a high conversion efficiency, a manufacturing method thereof, an electroacoustic transducer, a flexible display, a vocal cord microphone, and a sensor for a musical instrument.

Abstract: A vibration control device is provided which enables an awakening effect for a user to be increased while making it difficult to give discomfort to the user. A harmonic signal generating section of a vibration control device is configured to successively output a plurality of alternating signals for driving a vibration unit. By way of the plurality of alternating signals which is successively output and has a frequency ratio represented with a predetermined integer ratio, vibration generated with the plurality of alternating signals can more easily awaken a user while making it difficult to give discomfort to the user.

Abstract: A cooling fan automatic control system includes: a temperature sensor configured to measure a temperature of an object to be cooled; a plurality of current sensors configured to measure power consumption by each of a plurality of cooling fans; and a controller which, when a measured temperature that is a measured value obtained by the temperature sensor is higher than a target cooling temperature of the object to be cooled, controls rotational speeds of the plurality of cooling fans so as to minimize a total of measured current values of the plurality of cooling fans obtained by the plurality of current sensors.

Abstract: A film forming device includes an adhesion preventing mechanism in a film formation chamber, in which the adhesion preventing mechanism is configured with a plurality of adhesion preventing plates including at least a substrate edge adhesion preventing plate that is provided on an edge of a region on the substrate holding portion where the substrate is provided and a substrate outer peripheral region adhesion preventing plate that is disposed on an outer periphery of the substrate edge adhesion preventing plate to be spaced from the substrate edge adhesion preventing plate, a potential adjusting mechanism that is electrically connected to any one of the substrate edge adhesion preventing plate or the substrate outer peripheral region adhesion preventing plate is provided, and the adhesion preventing plate connected to the potential adjusting mechanism and an adhesion preventing plate disposed adjacent thereto are disposed at an interval of 0.5 mm to 3.0 mm.

Abstract: Provided is a fan control apparatus which includes: a first sensor; a second sensor; an RF fan; and a controller. The first sensor is provided in a first room, and is configured to acquire a measured value of at least one condition selected from conditions of atmospheric pressure, temperature, and humidity for the first room, the second sensor is provided in a second room adjacent to the first room, and is configured to acquire a measured value of the same condition as the at least one selected condition for the second room, the RF fan is placed at a boundary between the first and second rooms, and the controller is configured to control a rotational speed and rotational direction of the RF fan in such a manner that the measured values of the first and second sensors are the same.

Abstract: To provide a piezoelectric body film and a piezoelectric element from which an excellent piezoelectric characteristic can be obtained even in a high-temperature environment and a method for manufacturing a piezoelectric element. A piezoelectric body film of the present invention is a piezoelectric body film containing a perovskite-type oxide represented by Formula (1), in which a content q of Nb with respect to the number of all atoms in the perovskite-type oxide and a ratio r of a diffraction peak intensity from a (200) plane to a diffraction peak intensity from a (100) plane of the perovskite-type oxide, which is measured using an X-ray diffraction method, satisfy Formula (2), Formula (1) A1+?[(ZryTi1-y)1-xNbx]O2, Formula (2) 0.35?r/q<0.

Abstract: In the piezoelectric film including a perovskite oxide which is represented by General Formula P, 0.1?x?0.3 and 0<y?0.49x are satisfied, A1+?[(Zr,Ti)1-x-yNbxScy]Oz . . . General Formula P, in General Formula P, A is an A-site element primarily containing Pb, ?=0 and z=3 are standard values, but ? and z may deviate from standard values in a range in which a perovskite structure is capable of being obtained.