Abstract: A fiber-reinforced resin prepreg and a molded article obtained by molding a molding material including the fiber-reinforced resin prepreg are described. The fiber-reinforced resin prepreg contains a carbon fiber bundle and a matrix resin composition. The ipa value of the carbon fiber bundle measured by an electrochemical measurement method is 0.14 ?A/cm2 or more. The impact strength of a film obtained by solidifying the matrix resin composition under particular molding conditions is 12.0 kJ/m or more.

Abstract: An information processing apparatus in embodiments performs at least one trained machine learning model that includes an encoder and a decoder. The encoder receives inputs of text information including designation of a place, a first image that is an image captured by an image capturing apparatus and that includes the place, and a second image obtained by dividing a region for every identical object in the first image, and outputs tri-modal features that have been generated to include visual features of the first image that has been captured, visual features of the second image obtained by dividing the region, and language features of the text information. The decoder outputs a region on the first image corresponding to the designation of the place in the text information, by using the tri-modal features.

Abstract: A magnetic memory device according to an embodiment includes a magnetic memory device includes first and second interconnect, a memory cell, a transistor, first and second sense amplifiers, and a control circuit. The memory cell includes a magnetoresistive effect element and a selector element. The magnetoresistive effect element and the selector element are coupled in series between the first and second interconnect. In a read operation, the control circuit is further configured to: charge the first interconnect to a first voltage; and discharge the first interconnect via the transistor by applying a second voltage to a gate end of the transistor.

Abstract: A seat device includes a cushion portion configured to elastically support a seated person, and a seat frame configured to support the cushion portion. The cushion portion includes a plurality of divided cushions divided in a seat width direction. Each of the plurality of divided cushions includes a seat pad, and a seat cover individually covering the seat pad. A divided surface between the divided cushions adjacent to each other includes a first divided surface extending from a seat front side toward a seat back side, and a second divided surface that is bent from a seat back side extending tip of the first divided surface in a direction different from a direction in which the first divided surface extends and extends toward the seat back side.

Abstract: A seat device includes a cushion portion configured to elastically support a seated person and a seat frame configured to support the cushion portion. The cushion portion includes a plurality of divided cushions divided in a seat width direction. The plurality of divided cushions each include a seat pad a seat cover that individually covers each seat pad, and a resin member that is engaged with at least one of the seat cover or the seat pad and is thus individually integrated with the seat pad covered by the seat cover. The resin member includes a snap-fit structure fixed to the seat frame by inserting from a seat front side to a seat back side.

Abstract: An endoscope includes an insertion part to be inserted into a subject, a first surface disposed on a distal end surface of the insertion part, a forceps port disposed on the first surface, a second surface protruding from the first surface along an insertion direction of the insertion part, an observation window disposed on the second surface, a nozzle that is disposed on the first surface and jets a fluid from a jetting port toward the observation window, a third surface protruding from the first surface along the insertion direction of the insertion part, and a first illumination window that is disposed on the third surface. The third surface is located between the nozzle and the forceps port, and an end portion of the third surface in a jetting direction of the fluid is located further in the jetting direction than a formation position of the jetting port is.

Abstract: Provided are carbon fiber bundles which have high knot strength even if the single fiber fineness is large, and which have excellent handling properties and processability. The carbon fiber bundles have a single fiber fineness of 0.8-2.5 dtex, knot strength of 298 N/mm2 or greater. This method of producing carbon fibers having knot strength of 298 N/mm2 or greater involves a heat treatment step for heat treating, for 50-150 minutes, specific polyacrylonitrile-based precursor fiber bundles described in the description in an oxidizing atmosphere rising in temperature in the temperature range of 220-300° C.

Abstract: A sizing agent for carbon fiber includes component (A), component (B), and component (C), in which the component (A) is at least one selected from the group consisting of component (A-1), component (A-2), and component (A-3); the component (A-1) is a urethane compound having a structure of Formula (1-1) in the molecule, the component (A-2) is an ester compound having a structure represented by Formula (1-2) in the molecule, the component (A-3) is an amide compound having a structure of Formula (1-3) in the molecule; the component (B) is an epoxy compound selected from the group consisting of an epoxy compound represented by Formula (2), an epoxy compound represented by Formula (3), and an epoxy compound represented by Formula (4); and the component (C) is a bisphenol type epoxy compound.

Abstract: An endoscope includes a distal end surface provided at a distal end of an insertion part; an observation window provided on the distal end surface; a fluid jetting nozzle; and a first protective projection, a second protective projection, and a third protective projection disposed at an outer peripheral part of the distal end surface and provided to project forward of the observation window. In all combinations of imaginary planes capable of coming into contact with the first protective projection, the second protective projection, and the third protective projection from a front side, the imaginary planes are disposed forward of the observation window, the imaginary planes are disposed at the same height as or forward of the fluid jetting nozzle, and the observation window and a portion of the fluid jetting nozzle are included within an outer ring region surrounded by the first protective projection, the second protective projection, and the third protective projection.

Abstract: An endoscope includes a distal end surface provided at a distal end of an insertion part; an observation window provided on the distal end surface; a nozzle; and a first protective projection, a second protective projection, and a third protective projection disposed at an outer peripheral part of the distal end surface and provided to project forward of the observation window. In all combinations of imaginary planes capable of coming into contact with the first protective projection, the second protective projection, and the third protective projection from a front side, the imaginary planes are disposed forward of the observation window, the imaginary planes are disposed at the same height as or forward of the nozzle, and the observation window and a portion of the nozzle are included within an outer ring region surrounded by the first protective projection, the second protective projection, and the third protective projection.

Abstract: Use of a sizing agent having a heat weight loss B-1 of 65% or more as determined by a specific measurement method, or a sizing agent containing a surfactant and a compound represented by formula (1):

Abstract: A fiber-reinforced resin prepreg and a molded article obtained by molding a molding material including the fiber-reinforced resin prepreg are described. The fiber-reinforced resin prepreg contains a carbon fiber bundle and a matrix resin composition. The ipa value of the carbon fiber bundle measured by an electrochemical measurement method is 0.14 ?A/cm2 or more. The impact strength of a film obtained by solidifying the matrix resin composition under particular molding conditions is 12.0 kJ/m or more.

Abstract: The present invention relates to a vehicle headlight that ensures improving usage efficiency of light focusing of light emitted from a light source. A vehicle headlight (1) has a main reflecting mirror (10) having an elliptic main reflecting surface (10a) and a light source (8) positioned at a first focal point (F1) of the main reflecting surface (10) and disposed opposed to the main reflecting surface (10).

Abstract: Provided are carbon fiber bundles which have high knot strength even if the single fiber fineness is large, and which have excellent handling properties and processability. The carbon fiber bundles have a single fiber fineness of 0.8-2.5 dtex, knot strength of 298 N/mm2 or greater. This method of producing carbon fibers having knot strength of 298 N/mm2 or greater involves a heat treatment step for heat treating, for 50-150 minutes, specific polyacrylonitrile-based precursor fiber bundles described in the description in an oxidizing atmosphere rising in temperature in the temperature range of 220-300° C.

Abstract: Provided are carbon fiber bundles which have high knot strength even if the single fiber fineness is large, and which have excellent handling properties and processability. The carbon fiber bundles have a single fiber fineness of 0.8-2.5 dtex, knot strength of 298 N/mm2 or greater. This method of producing carbon fibers having knot strength of 298 N/mm2 or greater involves a heat treatment step for heat treating, for 50-150 minutes, specific polyacrylonitrile-based precursor fiber bundles described in the description in an oxidizing atmosphere rising in temperature in the temperature range of 220-300° C.

Abstract: A sizing agent for carbon fiber includes component (A), component (B), and component (C), in which the component (A) is at least one selected from the group consisting of component (A-1), component (A-2), and component (A-3); the component (A-1) is a urethane compound having a structure of Formula (1-1) in the molecule, the component (A-2) is an ester compound having a structure represented by Formula (1-2) in the molecule, the component (A-3) is an amide compound having a structure of Formula (1-3) in the molecule; the component (B) is an epoxy compound selected from the group consisting of an epoxy compound represented by Formula (2), an epoxy compound represented by Formula (3), and an epoxy compound represented by Formula (4); and the component (C) is a bisphenol type epoxy compound.

Abstract: Provided is a carbon fiber bundle for obtaining a fiber-reinforced plastic having high mechanical characteristics. An acrylonitrile swollen fiber for a carbon fiber having openings of 10 nm or more in width in the circumference direction of the swollen fiber at a ratio in the range of 0.3 openings/?m2 or more and 2 openings/?m2 or less on the surface of the swollen fiber, and the swollen fiber is not treated with a finishing oil agent. A precursor fiber obtained by treating the swollen fiber with a silicone-based finishing oil agent has a silicon content of 1700 ppm or more and 5000 ppm or less, and the silicon content is 50 ppm or more and 300 ppm or less after the finishing oil agent is washed away with methyl ethyl ketone by using a Soxhlet extraction apparatus for 8 hours. The fiber is preferably an acrylonitrile copolymer containing acrylonitrile in an amount of 96.0 mass % or more and 99.7 mass % or less and an unsaturated hydrocarbon having at least one carboxyl group or ester group in an amount of 0.

Abstract: An endoscope includes a distal end surface provided at a distal end of an insertion part; an observation window provided on the distal end surface; a fluid jetting nozzle; and a first protective projection, a second protective projection, and a third protective projection disposed at an outer peripheral part of the distal end surface and provided to project forward of the observation window. In all combinations of imaginary planes capable of coming into contact with the first protective projection, the second protective projection, and the third protective projection from a front side, the imaginary planes are disposed forward of the observation window, the imaginary planes are disposed at the same height as or forward of the fluid jetting nozzle, and the observation window and a portion of the fluid jetting nozzle are included within an outer ring region surrounded by the first protective projection, the second protective projection, and the third protective projection.

Abstract: Provided is a carbon fiber bundle for obtaining a fiber-reinforced resin having high mechanical characteristics. A carbon fiber bundle formed of single carbon fibers, each of which has no uneven surface structure of 0.6 ?m or more in length extending in the longitudinal direction of the single fiber; which has an uneven structure having a difference in height (Rp?v) of 5 to 25 nm between the highest portion and the lowest portion of the surface of the single fiber and having an average roughness Ra of 2 to 6 nm; and which has a ratio of the major axis to the minor axis (major axis/minor axis) of a cross-section of the single fiber of 1.00 to 1.01, wherein a mass of the single fiber per unit length falls within the range of 0.030 to 0.042 mg/m; a strand strength is 5900 MPa or more; a strand elastic modulus measured by the ASTM method is 250 to 380 GPa; and a knot tenacity is 900 N/mm2 or more.

Abstract: A carbon fiber manufacturing method with which high quality carbon fibers can be obtained. The carbon fiber manufacturing method includes introducing carbon fiber precursor fiber bundles that have been spread in sheet form into a flameproofing furnace, flameproofing the carbon fiber precursor fiber bundles introduced into the flameproofing furnace in a temperature range of 200° C. to 300° C., introducing the flameproofed fiber bundles obtained from the flameproofing treatment into a carbonization furnace, and carbonizing the flameproofed fiber bundles introduced into the carbonization furnace in a temperature range of 300° C. to 2500° C. The flameproofing furnace includes a heat-treatment chamber and a sealing chamber adjacent thereto and discharges air from the sealing chamber to outside of the flameproofing furnace. The space velocity (SV) (1/h) of hot air blown from the heat-treatment chamber into the sealing chamber satisfies relationship: 80?SV?400.