Abstract: An oral care product that may suppress adhesion of bacteria floating in the oral cavity to the teeth by not using an antibacterial ingredient or by reducing the concentration of the antibacterial ingredient and a material contained in the product are produced. A composition for oral cavity care contains a Codium algae extract, and contains, as an active ingredient, a protein fraction contained in the Codium algae extract and having a molecular weight of 5000 or more.

Abstract: An electricity charge output method includes, by a computer: acquiring a sum of electric energy usages, in a specified period, of a previously specified first device group among all devices provided at a facility and of a second device group that is among the all devices and is different from the first device group; acquiring an electric energy usage of the first device group in the specified period; reducing the sum in accordance with the electric energy usage of the first device group and calculating an electricity charge for the facility in the specified period, based on an electric energy after the reduction; and outputting information representing the electricity charge for the facility.

Abstract: There is provided a copper alloy consisting of: Ni: 10 to 15% by weight, Sn: 5.0% by weight or more, Mn: 0 to 0.5% by weight, Zr: 0 to 0.5% by weight, at least one selected from the group consisting of Nb, Fe, Al, Ti, B, Zn, Si, Co, P, Mg, and Bi: 0 to 0.2% by weight in total, and the balance being Cu and inevitable impurities. The copper alloy has, in an X-ray diffraction profile, (i) a peak in the vicinity of 2?=46 to 50° having a peak intensity of 30% or more with respect to a peak intensity in the vicinity of 2?=84 to 88° and (ii) a peak in the vicinity of 2?=40 to 42° having a peak intensity of 2.0% or more with respect to a peak intensity in the vicinity of 2?=84 to 88°.

Abstract: A tilting pad bearing includes: a bearing housing that is cylindrical which includes inner and outer rings that are concentrically located, arc springs located side by side in a circumferential direction between the rings, and slits that separate the inner ring, the outer ring, and the arc springs from each other; bearing pads that are, on an inner peripheral side of the bearing housing, located side by side in the circumferential direction; and an oil feeder that feeds lubricating oil into gaps between the bearing pads, the gaps extending in the circumferential direction, and into the slits. The bearing housing includes divisional cylindrical bodies that are located side by side in the circumferential direction and are coupled together. Each of the divisional cylindrical bodies includes two divisional surfaces that are coupled to another divisional cylindrical body. The two divisional surfaces are located in a manner to avoid the arc springs.

Abstract: A damper includes: cylindrical damper body, damper body including inner ring and outer ring located concentrically, arc springs located side by side in circumferential direction between inner and outer rings, and slits that separate inner ring, outer ring, and arc springs; sealers on both sides of damper body in axial direction, sealers including sealing surfaces, sealing surfaces facing open ends of slits in axial direction, with gaps between sealing surfaces and open ends of slits; and viscous fluid that fills slits and gaps. Arc springs include first arc spring and second arc spring located side by side in circumferential direction. Each slit includes: inner slit portion that separates first arc spring and inner ring; outer slit portion that separates second arc spring and outer ring; connecting portion that connects inner slit and outer slit portions. Connecting portion includes restrictor that restricts viscous fluid movement between inner and outer slit portions.

Abstract: A damper bearing includes: a bearing portion that supports a rotary shaft; and a tubular portion that is located around an outer circumference of the bearing portion, and has an outer surface attachable to a structural member. The bearing portion can be a hydrostatic bearing that supports the rotary shaft with a predetermined bearing clearance therebetween. The tubular portion includes a plurality of planar slits arranged circumferentially at predetermined intervals in the tubular portion. Each slit extends radially from an open end at the outer surface, and extends circumferentially in an arc to a predetermined point in a region between the outer and inner surfaces. The tubular portion includes a bearing fluid supply hole that is formed in a region where none of the planar slits is situated, and extends from the outer surface of the tubular portion to the bearing portion without passing through any of the planar slits.

Abstract: There is provided a copper alloy consisting of: Ni: 10 to 15% by weight, Sn: 5.0% by weight or more, Mn: 0 to 0.5% by weight, Zr: 0 to 0.5% by weight, at least one selected from the group consisting of Nb, Fe, Al, Ti, B, Zn, Si, Co, P, Mg, and Bi: 0 to 0.2% by weight in total, and the balance being Cu and inevitable impurities. The copper alloy has, in an X-ray diffraction profile, (i) a peak in the vicinity of 2?=46 to 50° having a peak intensity of 30% or more with respect to a peak intensity in the vicinity of 2?=84 to 88° and (ii) a peak in the vicinity of 2?=40 to 42° having a peak intensity of 2.0% or more with respect to a peak intensity in the vicinity of 2?=84 to 88°.

Abstract: The amount of consumption of gas is reduced when the gas is expanded to be cooled by using a plurality of expansion turbines. A high-pressure expansion turbine includes: a gas supply passage through which bearing gas is supplied to a bearing portion; and a gas discharge passage through which the bearing gas which has been supplied from the gas supply passage to the bearing portion is discharged from the bearing portion. A low-pressure expansion turbine includes: a gas supply passage through which the bearing gas is supplied to a bearing portion; and a gas discharge passage through which the bearing gas which has been supplied from the gas supply passage to the bearing portion is discharged from the bearing portion. The bearing gas discharged from the gas discharge passage of the high-pressure expansion turbine is supplied to the gas supply passage of the low-pressure expansion turbine.

Abstract: An expansion turbine configured such that even when pressure of process gas steeply changes, the amount of process gas leaking from a gap between an impeller and a cover is made small. The expansion turbine includes a gas supply passage which is connected to any one of a gas supply passage and a gas discharge passage and through which gas is supplied to a region located between a rotor member and a casing member.

Abstract: A damper bearing includes: a bearing portion that supports a rotary shaft; and a tubular portion located around an outer circumference of the bearing portion, the tubular portion having a predetermined radial thickness and having an outer surface attachable to a structural member, wherein the bearing portion is configured as a hydrostatic bearing that supports the rotary shaft with a predetermined bearing clearance between the hydrostatic bearing and the rotary shaft, the tubular portion includes a plurality of planar slits located between the outer surface of the tubular portion and an inner surface of the tubular portion, each planar slit having a predetermined width, extending circumferentially, and further extending through an entire axial length of the tubular portion, the planar slits are arranged circumferentially at predetermined intervals in the tubular portion, each planar slit has an open end at the outer surface of the tubular portion, extends radially from the open end, and extends circumferentia

Abstract: The ink jet recording method is an ink jet recording method of recording an image on a recording medium using an ink jet recording apparatus including a recording head and a recovery mechanism for recovering an ejection state of pigment ink from ejection orifices. The recording head includes a first flow path and a second flow path allowing an ejection orifice and a recording element to communicate with each other and through which ink flows between the ejection orifice and the recording element. The ink jet recording method includes (i) a first cleaning of allowing the ink in the first flow path to flow to the second flow path while performing wiping and suction with a suction wiper; or (ii) a second cleaning of allowing the ink in the first flow path to flow to the second flow path after performing wiping and suction with a suction wiper.

Abstract: A method of forming an image on a recording medium using an ink jet recording apparatus. The ink jet recording apparatus includes a recording head in which a plurality of recording element substrates is arranged to form joint portions and a plurality of wipers is arranged to form wiper overlapping portions. The method includes ejecting a first ink from a first ejection orifice array, ejecting a second ink from a second ejection orifice array, and the plurality of recording element substrates with the plurality of wipers. The first ejection orifice array is wiped and then the second ejection orifice array is wiped. At least a part of the wiper overlapping portion wipes the joint portion. A dynamic surface tension (?D1) of the first ink is equal to or more than a static surface tension (?S2) of the second ink.

Abstract: An expansion turbine configured such that even when pressure of process gas steeply changes, the amount of process gas leaking from a gap between an impeller and a cover is made small. The expansion turbine includes a gas supply passage which is connected to any one of a gas supply passage and a gas discharge passage and through which gas is supplied to a region located between a rotor member and a casing member.

Abstract: The amount of consumption of gas is reduced when the gas is expanded to be cooled by using a plurality of expansion turbines. A high-pressure expansion turbine includes: a gas supply passage through which bearing gas is supplied to a bearing portion; and a gas discharge passage through which the bearing gas which has been supplied from the gas supply passage to the bearing portion is discharged from the bearing portion. A low-pressure expansion turbine includes: a gas supply passage through which the bearing gas is supplied to a bearing portion; and a gas discharge passage through which the bearing gas which has been supplied from the gas supply passage to the bearing portion is discharged from the bearing portion. The bearing gas discharged from the gas discharge passage of the high-pressure expansion turbine is supplied to the gas supply passage of the low-pressure expansion turbine.

Abstract: The ink jet recording method is an ink jet recording method of recording an image on a recording medium using an ink jet recording apparatus including a recording head and a recovery mechanism for recovering an ejection state of pigment ink from ejection orifices. The recording head includes a first flow path and a second flow path allowing an ejection orifice and a recording element to communicate with each other and through which ink flows between the ejection orifice and the recording element. The ink jet recording method includes (i) a first cleaning of allowing the ink in the first flow path to flow to the second flow path while performing wiping and suction with a suction wiper; or (ii) a second cleaning of allowing the ink in the first flow path to flow to the second flow path after performing wiping and suction with a suction wiper.

Abstract: The ink jet recording method is an ink jet recording method of recording an image on a recording medium using an ink jet recording apparatus including: a recording head in which a plurality of recording element substrates are arranged to form joint portions; and a cleaning unit including a plurality of wipers arranged to form wiper overlapping portions and wiping the joint portion by at least a part of the wiper overlapping portion. The cleaning unit wipes an ejection orifice surface on which the ejection orifice arrays are formed in order of the first ejection orifice array ejecting a first ink and the second ejection orifice array ejecting a second ink, and a dynamic surface tension (?D1) of the first ink is equal to or more than a static surface tension (?S2) of the second ink.

Abstract: A catheter including a balloon. The balloon has an elastic inner layer and an elastic outer layer. The inner and outer layers are tubular and are inflatable and deflatable in response to a change of internal pressure of the balloon. The catheter includes a tubular reinforcement member positioned radially between the inner layer and the outer layer. The reinforcement member has a first end portion and a second end portion opposite the first end portion in the axial direction of the catheter. The reinforcement member has an intermediate portion between the first end portion and the second end portion in the axial direction. At least one of the first and second end portions is not directly fixed to both the inner layer and the outer layer. The intermediate portion is not directly fixed to both the inner layer and the outer layer.

Abstract: A catheter including a balloon. The balloon has an elastic inner layer and an elastic outer layer. The inner and outer layers are tubular and are inflatable and deflatable in response to a change of internal pressure of the balloon. The catheter includes a tubular reinforcement member positioned radially between the inner layer and the outer layer. The reinforcement member has a first end portion and a second end portion opposite the first end portion in the axial direction of the catheter. The reinforcement member has an intermediate portion between the first end portion and the second end portion in the axial direction. At least one of the first and second end portions is not directly fixed to both the inner layer and the outer layer. The intermediate portion is not directly fixed to both the inner layer and the outer layer.

Abstract: A heat treatment method according to the present invention includes a preliminary-state-generating step of heat-treating an alloy that undergoes multiple-step transformation with temperature by bringing the alloy in contact with a contact-type heating element for 0.01 sec or more and 3.0 sec or less, the contact-type heating element being adjusted to a particular temperature within a preliminary-state-generating temperature region determined on the basis of a first temperature related to a particular first transformation of the alloy and a second temperature, which is higher than the first temperature, related to a particular second transformation of the alloy so as to generate a preliminary state in the alloy.

Abstract: An ink jet ink including water, a pigment and a polymer. The pigment has a secondary amino group. The polymer contains a unit derived from a monomer having a ring structure containing a tertiary amino group.