Abstract: A terminal connection structure of a motor casing configured to house an AC motor of a plurality of phases, the terminal connection structure includes a plurality of terminal blocks located side by side to each other along a circumferential direction of the motor casing and including a plurality of terminal surfaces facing away from the motor casing, and a plurality of terminals that penetrate the terminal blocks and are configured to be electrically connected to the phases of the AC motor. A portion of each of the terminals is located on the terminal surfaces. At least one terminal surface is offset in a perpendicular direction from a plane aligned with another terminal surface of the plurality of terminal surfaces.

Abstract: An information processing device according to the present application includes a generation unit and a providing unit. The generation unit uses a model that is trained to learn a relationship between a criterion for classifying users of a first company and a criterion for classifying users of a second company to generate a criterion (common key) for classifying the users of the second company into a first category, from the criterion for classifying the users of the first company into the first category. The providing unit provides a criterion generated by the generation unit.

Abstract: Provided is a live distribution system including at least one processor configured to: acquire a viewer comment input by a viewer of a live distribution service; estimate whether the viewer comment is appropriate based on a first model that has learned a first training comment; determine whether a first score relating to an estimation accuracy of the first model satisfies a predetermined first criterion; avoid, when the first score is determined to satisfy the first criterion, estimation based on a second model that has learned a second training comment; and estimate, when the first score is determined not to satisfy the first criterion, whether the viewer comment is appropriate based on the second model.

Abstract: Provided is a sentiment analysis system including at least one processor configured to: acquire a first comment which relates to a service, and which is input by a user who uses the service; execute clustering relating to the first comment; acquire a sentiment word relating to a sentiment about the service based on an execution result of the clustering; and analyze the sentiment in a first sentence included in the first comment based on the sentiment word.

Abstract: A lithium-ion secondary battery negative electrode mixture includes a conductive additive and porous amorphous silicon particles including an amorphous silicon phase. The porous amorphous silicon particles have a lamellar structure including lamellar protrusions having an average thickness in a range of 1 nm or more and 200 nm or less, a columnar structure including columnar protrusions having an average diameter in a range of 1 nm or more and 100 nm or less, or a co-continuous structure including the lamellar protrusions and the columnar protrusions.

Abstract: A tube leak detection device for detecting leak of at least one tube of a heat exchanger which increases a temperature of a liquid by heat exchange between the liquid flowing inside the at least one tube and a fluid flowing outside the at least one tube includes: an inlet opening-and-closing valve and an outlet opening-and-closing valve disposed at an inlet end and an outlet end of the at least one tube, respectively; and a pressure detection member for detecting a pressure inside the at least one tube between the inlet opening-and-closing valve and the outlet opening-and-closing valve.

Abstract: Super continuum light having a continuous spectrum over at least 1100 to 1300 nm is emitted from a pulsed light source, is pulse-stretched by a stretching element such that a relationship between a wavelength and an elapsed time in one pulse is one to one, and is radiated to a product. The light transmitted through the product is received by a light receiver, and output data is input to the determination unit. A quality determination program of the determination unit calculates an absorption spectrum from the output data, quantifies the absorption spectrum by chemometrics, and compares the absorption spectrum with a reference value to determine quality. The product determined to be a defective product is excluded by an exclusion mechanism.

Abstract: An exhaust gas cooler includes: a steam drum containing first water; an economizer for heat exchange between exhaust gas and the first water supplied from the steam drum; and a feedwater pipe for supplying the first water with second water having a lower temperature than the first water. The exhaust gas cooler is configured such that the first water flowing out of the economizer is introduced into the steam drum. The second water is divided and supplied to the first water flowing out of the economizer and the first water flowing into the economizer.

Abstract: A silicon carbide semiconductor device has an active region and a termination structure portion disposed outside of the active region. The silicon carbide semiconductor device includes a semiconductor substrate of a second conductivity type, a first semiconductor layer of the second conductivity type, a second semiconductor layer of a first conductivity type, first semiconductor regions of the second conductivity type, second semiconductor regions of the first conductivity type, a gate insulating film, a gate electrode, a first electrode, and a second electrode. During bipolar operation, a smaller density among an electron density and a hole density of an end of the second semiconductor layer in the termination structure portion is at most 1×1015/cm3.

Abstract: A porous amorphous silicon which enables improvement in battery performances such as charge/discharge efficiency and battery capacity when used as the anode material; a method for producing a porous amorphous silicon, capable of producing a porous amorphous silicon composed entirely of amorphous silicon at relatively low cost in a short time; and a secondary battery using the porous amorphous silicon as the anode material. A molten metal containing metal and silicon is cooled at a cooling rate of 106 K/sec or more to form an eutectic alloy including the metal and the silicon, and then the metal is selectively eluted from the eutectic alloy with an acid or an alkali to obtain a porous amorphous silicon. The porous amorphous silicon has a lamellar or columnar structure having a mean lamellar diameter or a mean column diameter of 1 nm to 100 nm.

Abstract: Provided is an absorption promotor for causing a flying-insect pest repellent fragrance-containing composition with a high repellent effect to be rapidly absorbed into an elastomer molded body. The absorption promotor for causing a flying-insect pest repellent fragrance-containing composition into an elastomer molded body having a hardness of 60 degrees or less includes d-limonene and/or 1,8-cineole as an active ingredient. The absorption promotor is blended preferably in a range of 2.0 to 65% by mass and more preferably 10 to 45% by mass in the flying-insect pest repellent fragrance-containing composition.

Abstract: An outdoor aerosol agent for insect pest control useful for insect pests with reduced sensitivity to pyrethroid-based insecticidal components, particularly mosquitoes, having excellent adhesion to surfaces to be treated and effectiveness of formation of a barrier space without causing issues with VOC regulations. The aerosol agent is obtained by filling a pressure-resistant container with an aerosol stock solution and a propellant, wherein VOC content in the aerosol stock solution is 30% by mass or less, the aerosol stock solution including: (a) 0.01 to 3.0% by mass of a room-temperature volatile pyrethroid-based insecticidal component that has a vapor pressure of 2×10?4 to 1×10?2 mmHg at 30° C.; (b) 0.5 to 10% by mass of a glycol ether compound having a boiling point of 160 to 320° C.; (c) 0.2 to 5.0% by mass of a nonionic surfactant and/or an anionic surfactant; and (d) the remainder % by mass being water.

Abstract: Provided are a mosquito control aerosol which can produce a good control effect on mosquitoes over a long period of time while reducing influence on humans and pets, and a mosquito control method using the mosquito control aerosol. The mosquito control aerosol includes: a pressure-resistant container equipped with a metering spray valve, that contains a liquid aerosol-forming material including an insect pest control component and an organic solvent, and a propellant; and a spray button having a spray outlet connected to the metering spray valve. The volume of the liquid aerosol-forming material sprayed when the spray button is pressed down once is adjusted to 0.1 to 0.4 mL, and the spray force thereof as measured at a distance of 20 cm from the spray outlet at 25° C. is adjusted to 0.3 to 10.0 g·f.

Abstract: A tube leak detection device for detecting leak of at least one tube of a heat exchanger which increases a temperature of a liquid by heat exchange between the liquid flowing inside the at least one tube and a fluid flowing outside the at least one tube includes: an inlet opening-and-closing valve and an outlet opening-and-closing valve disposed at an inlet end and an outlet end of the at least one tube, respectively; and a pressure detection member for detecting a pressure inside the at least one tube between the inlet opening-and-closing valve and the outlet opening-and-closing valve.

Abstract: An exhaust gas cooler includes: a steam drum containing first water; an economizer for heat exchange between exhaust gas and the first water supplied from the steam drum; and a feedwater pipe for supplying the first water with second water having a lower temperature than the first water. The exhaust gas cooler is configured such that the first water flowing out of the economizer is introduced into the steam drum.

Abstract: During epitaxial growth of an n?-type drift layer having a uniform nitrogen concentration, vanadium is doped in addition to the nitrogen, whereby an n?-type lifetime reduced layer is selectively formed in the n?-type drift layer. The n?-type lifetime reduced layer is disposed at a depth that is more than 5 ?m from a pn junction surface between a p-type anode layer and the n?-type drift layer in a direction toward a cathode side, and the n?-type lifetime reduced layer is disposed separated from the pn junction surface. Further, the n?-type lifetime reduced layer is disposed in a range from the pn junction surface to a depth that is ? times a thickness of the n?-type drift layer. A vanadium concentration of the n?-type lifetime reduced layer is 1/100 to ? of a nitrogen concentration of the n?-type lifetime reduced layer.

Abstract: Provided is a chemical agent vaporizing/discharging device which can efficiently vaporize and discharge a chemical agent from a chemical agent retainer, and sufficiently diffuse the chemical agent, even when the device is used in a relatively large space or outdoors. A chemical agent vaporizing/discharging device 100 comprises: a chemical agent retainer 50 having a chemical agent retention layer 10 including interstices 11 for allowing retention of a volatile chemical agent, and a gas permeable layer 20 including voids 21 having a size larger than a size of the interstices 11; and a rotational drive part 60 for driving the chemical agent retainer 50. A shape and a size of the chemical agent retainer 50, and a rotational speed of the rotational drive part 60, are set so that a centrifugal effect of 10 to 150 (G) is obtained during rotation of the chemical agent retainer 50.

Abstract: During epitaxial growth of an n?-type drift layer having a uniform nitrogen concentration, vanadium is doped in addition to the nitrogen, whereby an n?-type lifetime reduced layer is selectively formed in the n?-type drift layer. The n?-type lifetime reduced layer is disposed at a depth that is more than 5 ?m from a pn junction surface between a p-type anode layer and the n?-type drift layer in a direction toward a cathode side, and the n?-type lifetime reduced layer is disposed separated from the pn junction surface. Further, the n?-type lifetime reduced layer is disposed in a range from the pn junction surface to a depth that is ? times a thickness of the n?-type drift layer. A vanadium concentration of the n?-type lifetime reduced layer is 1/100 to ? of a nitrogen concentration of the n?-type lifetime reduced layer.

Abstract: An insect pest control product applicable to a water-based insecticidal composition with stable performance over a long time, which comprises a thermal vaporization/diffusion absorbent wick for vaporizing and diffusing a water-based insecticidal composition containing a pyrethroid insecticidal component having a vapor pressure of 2×10?4 to 1×10?2 mmHg at 30° C., a glycol ether compound having a boiling point of 150-300° C., and water. The wick has a water/oil-based liquid absorption ratio (V1/V2) within the range of 0.55-1.0, calculated from a speed (V1) at which a water-based liquid formulation rises through the wick, and a speed (V2) at which an oil-based liquid formulation rises through the wick, the water-based liquid formulation contains 40 mass % of diethylene glycol monobutyl ether, and the oil-based liquid formulation is a fluid paraffin having 14 carbon atoms.

Abstract: Provided is an insect pest control product capable of effectively controlling flying insect pests. An insect pest control product comprising a thermal vaporization/diffusion absorbent wick for vaporizing and diffusing a water-based insecticidal composition containing a pyrethroid insecticidal component having a vapor pressure of 2×10?4 to 1×10?2 mmHg at 30° C., a glycol ether compound and/or glycol compound having a boiling point of 150-300° C., and water, wherein a concentration of the pyrethroid insecticidal component in diffused vapor particles one hour after the start of vaporization and diffusion is 1.5-18 times as high as a concentration of the pyrethroid insecticidal component in diffused vapor particles immediately after the start of vaporization and diffusion.