Abstract: Provided is a biodegradable stent comprising a magnesium alloy free of a rare earth element and aluminum. The stent comprises: a core structure comprising a magnesium alloy containing 90 wt % or more of magnesium as a main component, and zinc, zirconium, and manganese as accessary components, the magnesium alloy being free of a rare earth element and aluminum; a first corrosion resistant layer formed on the core structure and containing magnesium fluoride as a main component; and a second corrosion resistant layer formed on the first corrosion resistant layer and comprising a parylene. A method for producing such a bioabsorbable stent is also provided.

Abstract: A rotor for a rotary electric machine includes: a rotor core which includes a magnet insertion hole; and a permanent magnet housed in the magnet insertion hole. The permanent magnet has an arc shape which is convex toward an axial line. The rotor core includes: an outer-circumference core part; an inner-circumference core part; and connection ribs which connect the outer-circumference core part and the inner-circumference core part. The permanent magnet is supported in the rotor core in such a manner that circumferential ends abut on an inner surface of the magnet insertion hole. A circumferential center portion of the permanent magnet is separated from an outer-circumference-side inner surface of the magnet insertion hole. In the circumferential center portion of the permanent magnet, a gap is provided between an outer-circumference-side outer surface of the permanent magnet and the outer-circumference-side inner surface of the magnet insertion hole.

Abstract: Provided are an alloy member which is usable in organisms, makes use of features of bio-affinity and biodegradability of magnesium, and is able to realize required duration of biodegradability, and a production method therefor. According to the present invention, the alloy member usable in organisms includes a base body that contains a magnesium alloy, a first protective layer that contains an oxide derived from a component of the base body or a complex of an oxide and a hydroxide derived from a component of the base body, and a second protective layer that contains a hydroxide derived from a component of the base body.

Abstract: The present invention provides a dental mill blank that exhibits desirable resistance against wear in opposing teeth. The present invention relates to a dental mill blank comprising: an inorganic filler containing an inorganic filler (A) and an inorganic filler (B); and a polymer, the inorganic filler (A) partly forming an aggregate, and the dental mill blank satisfying the following formulae (I) to (III), 0.001?a<0.32??(I) 0.3?b?10??(II) 5?x?80??(III), where a is an average primary particle diameter of the inorganic filler (A) in micrometers, b is an average primary particle diameter of the inorganic filler (B) in micrometers, and x is an average particle diameter of the aggregate in micrometers. Preferably, the dental mill blank comprises an island component containing the aggregate, and a sea component containing the inorganic filler (A) and the inorganic filler (B).

Abstract: The present invention relates to [1] a water-based ink containing water-insoluble polymer particles (A), an organic solvent (B) and water, in which a polymer constituting the water-insoluble polymer particles (A) is in the form of a crosslinked polymer; the organic solvent (B) contains a polyhydric alcohol ether; and a rate of change in viscosity of the organic solvent (B) as calculated according to the formula (1) is not more than 140%, and [2] a printing method of printing characters or images on a printing medium using the water-based ink described in the above [1], in which a water absorption of the printing medium per a unit surface area thereof as measured by contacting the printing medium with pure water for 100 milliseconds is not less than 0 g/m2 and not more than 10 g/m2.

Abstract: A cooling structure of a rotary electric machine for power generation which includes a rotor and a stator includes a stator core which is formed in an annular shape to surround the rotor and has a plurality of slots arranged in a circumferential direction and extending from one end to the other end in a center axis direction, a conductor which is disposed in the slots and has a protruding portion protruding from the slots in the center axis direction, a cooling unit which cools the protruding portion. Opening portions of the slots are formed in an inner peripheral surface of the stator core, and the opening portions extend toward an upstream side in a rotation direction of the rotor at a time of regeneration from ends on the protruding portion side toward intermediate portions in the center axis direction.

Abstract: A cooling structure of a rotary electric machine for power generation which includes a rotor and a stator includes a stator core which is formed in an annular shape to surround the rotor and has a plurality of slots arranged in a circumferential direction and extending from one end to another end in a center axis direction, a conductor disposed in the slots, and a cooling unit which cools the conductor. Opening portions of the slots are formed in an inner peripheral surface of the stator core, the opening portions extend toward a downstream side in a rotation direction of the rotor at a time of regeneration from at least one end portions to intermediate portions in the center axis direction, and the cooling unit cools portions of the conductor which are located at the same positions as the intermediate portions of the opening portions in the center axis direction.

Abstract: A stator includes a stator core, a through hole provided in the stator core, and a insertion member which is fitted into the through hole and has an insertion space, through which a bolt passes. The insertion member includes an outer circumferential member to be fitted in the through hole, an inner circumferential member including a hollow portion forming the insertion space, and an elastic member provided between the outer circumferential member and the inner circumferential member. A lower end portion of the inner circumferential member further protrudes downwardly compared to a lower end surface of the outer circumferential member and a lower end surface of the stator core, and an upper end portion of the inner circumferential member further protrudes upwardly compared to an upper end surface of the outer circumferential member and an upper end surface of the stator core.

Abstract: The present invention provides a dental mill blank having reduced cracks and that excels in mechanical strength and aesthetic quality. The present invention relates to a dental mill blank comprising an inorganic filler and a polymer, and having a porosity of 25 to 35 volume % after 2-hour ashing at 600° C. In the dental mill blank, the inorganic filler preferably comprises an inorganic filler (A) and an inorganic filler (B), and the dental mill blank preferably satisfies the following formulae (I) and (II), 0.12?a?0.70??(I) 3?b/a??(II), where a is an average primary particle diameter of the inorganic filler (A) in micrometers, and b is an average primary particle diameter of the inorganic filler (B) in micrometers. Preferably, the inorganic filler (A) and the inorganic filler (B) have a volume-to-volume content ratio (A)/(B) of 5/95 to 50/50.

Abstract: A stable-quality rotary electric machine system in which one or more rotary electric machine characteristics are normalized from various viewpoints. The rotary electric machine system is provided with: a rotary electric machine having a rotor, a stator, and a stator coil; and a controller configured to execute drive control of the rotary electric machine. The controller applies, to a drive control signal for the rotary electric machine, normalization information, which normalizes the drive control signal for the rotary electric machine, derived by comparing specific information about a value correlated to an induced voltage occurring in the stator coil when the rotor of the rotary electric machine is driven under prescribed conditions and predetermined reference information about the value correlated to the induced voltage occurring in the stator coil. Then, the drive control signal normalized by the application is used to execute the drive control of the rotary electric machine.

Abstract: A rotor of a rotating electrical machine includes a rotor core with a plurality of magnet insertion holes and a plurality of magnetic pole portions including permanent magnets inserted into the plurality of magnet insertion holes. The permanent magnet includes an outer diameter surface and an inner diameter surface, each of which having an arc shape convex radially inward. The magnet insertion hole includes an outer diameter wall surface and an inner diameter wall surface. An outer diameter side space portion is formed at a circumferential central portion in a portion between the outer diameter surface of the permanent magnet and the outer diameter wall surface of the magnet insertion hole, and an inner diameter side space portion is formed at a circumferential central portion in a portion between the inner diameter surface of the permanent magnet and the inner diameter wall surface of the magnet insertion hole.

Abstract: Provided is a plant state monitoring method which monitors an operation state of a plant by using the Mahalanobis distance based on the plant state amount. The method creates a first unit space as a set of data used to be a reference when judging whether the plant operation state during a start operation period is normal according to the state amount in the plant start operation period. The method also creates a second unit space as a set of data used to be a reference when judging whether the plant operation state during a load operation period is normal according to the state amount in the plant load operation period.

Abstract: The present invention relates to a water-based ink containing at least pigment-containing water-insoluble crosslinked polymer particles (A), a polymer emulsion (B) and water, in which a water-insoluble crosslinked polymer constituting the crosslinked polymer particles (A) is obtained by subjecting a polymer that contains a constitutional unit derived from a carboxylic acid monomer having an acid value of not less than 200 mgKOH/g and a constitutional unit derived from a hydrophobic monomer, to crosslinking reaction with an epoxy compound, and a polymer constituting the polymer emulsion (B) contains a constitutional unit derived from a carboxylic acid monomer and a constitutional unit derived from a hydrophobic monomer. The water-based ink of the present invention is excellent in ejection stability and fastness of the printed characters or images while maintaining good optical density.

Abstract: A vehicle comprises an electric motor, an electric motor control device which controls electric power to be supplied to the electric motor, an atmospheric pressure detection part which detects atmospheric pressure, and a storage part which stores the number of times that a voltage exceeding a partial discharge inception voltage set according to the atmospheric pressure detected by the atmospheric pressure detection part is input to the electric motor.

Abstract: A wastewater treatment system includes a plurality of reaction tanks, a blowing pipe, a blower unit, and an air supply amount controller. The air supply amount controller includes: a water quality measurement unit configured to measure a state of wastewater; a necessary air amount acquisition unit configured to acquire, a necessary air amount for achieving a predetermined target water quality of wastewater; a target in-pipe pressure calculation unit configured to calculate a blowing pipe loss pressure when the necessary amount of air is supplied into the blowing pipe, calculate a target in-pipe pressure based on the blowing pipe loss pressure, and change the calculated target in-pipe pressure in accordance with change of the necessary air amount; and a blowing control unit configured to control air supply from the blower unit so that the pressure in the blowing pipe becomes equal to the target in-pipe pressure.

Abstract: To provide a stent excellent in deformability, capable of maintaining a radial force for a longer period of time, and having bioabsorbability and a method of producing the same. The bioabsorbable stent has a core structure including a magnesium alloy and a corrosion resistant layer on the core structure, wherein the core structure is formed from a magnesium alloy containing 90 mass % or more of Mg as a main component, Zn, Zr, and Mn as accessory components, and 30 ppm or less of unavoidable impurities selected from the group consisting of Fe, Ni, Co, and Cu, and the alloy excluding aluminum and at least one sort of rare earths selected from the group consisting of Sc, Y, Dy, Sm, Ce, Gd, and La; and the corrosion resistant layer containing magnesium fluoride as a main component with a hydrophilic smooth surface is formed on the core structure with a smooth surface.

Abstract: Magnesium alloy containing, in % by mass, 1.0 to 2.0% of Zn, 0.05 to 0.80% by mass of Zr, 0.05 to 0.40% by mass of Mn, and the balance consisting of Mg and unavoidable impurities. The magnesium alloy may further contain, in % by mass, 0.005% or more and less than 0.20% of Ca.

Abstract: The present invention provides a method that enables production of a surface-treated colored inorganic particle with which the desired color tone can be consistently reproduced as intended with no variation occurring in the color tone of the compositions produced with the particle, within each production and over multiple production runs. The invention relates to a method for producing a surface-treated colored inorganic particle, comprising spray drying a mixture of a dispersion [I] and a solution [II], wherein the dispersion [I] is a dispersion of inorganic particles having an average particle diameter of 0.005 to 5 ?m dispersed in a solvent with a pigment, and the solution [II] is a solution of a surface treatment agent hydrolyzed in the presence of a hydrolysis aid.

Abstract: A stator core of a rotating electric machine, includes a base, teeth, slots, and cutouts. The base includes a through-hole having a substantially cylindrical shape surrounded by an inner circumferential wall around a center axis of the substantially cylindrical shape. Teeth are arranged around the center axis and extending along a radial direction of the substantially cylindrical shape from the inner circumferential wall toward the center axis. Each of the teeth has a first end surface and a second end surface opposite to the first end surface in the center axis. Each of the slots is defined between a tooth and another tooth adjacent to the tooth among the teeth such that a coil is to be provided into each of the slots. Each of the cutouts is provided in the first end surface to face an inner surface of a bent portion of the coil.

Abstract: A rotary electric machine includes a stator. A plurality of slots are formed in a stator core of the stator, and a coil and an insulating sheet layer are inserted into the slots. A first coil side surface and a second coil side surface of the coil inserted into the slots serve as adhesive regions, which are adhered to a slot inner circumferential surface via the insulating sheet layer. In addition, a first coil end surface and a second coil end surface of the coil inserted into the slots serve as non-adhesive regions, which are maintained in a non-contact manner with respect to the slot inner circumferential surface.