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: 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: 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: 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.

Abstract: A three-dimensional structure is provided which is obtained by molding a volatile chemical-containing resin composition into a plate form, wherein the three-dimensional structure includes through-holes penetrating therethrough from the front to the back thereof, the through-holes have peripheries having a shape selected from polygonal, circular, circular arc and spiral shapes when the three-dimensional structure is viewed from the front, and the peripheries of the through-holes are formed on a single plane or on a smoothly curved imaginary surface.

Abstract: A vaporizing/discharging container 100 is provided that can properly vaporize and discharge a volatile substance in use, and prevent tampering by children, etc. The vaporizing/discharging container 100 for vaporizing and discharging a volatile substance into the outside, includes a main body 10 configured to contain the volatile substance, and a closure member 20 having a vapor discharging hole 21 for the volatile substance, and configured to be screwed and attached onto the main body 10. A pair of temporary lock mechanisms 30 (31, 32) configured to engage with each other so that resistance occurs against a direction in which the closure member 20 is rotated backward after the closure member 20 is screwed onto the main body 10, are provided between the closure member 20 and the main body 10, and at least one of the temporary lock mechanisms 30 (31, 32) is formed in the shape of steps.

Abstract: A steam supply system that can reheat CO2 absorbing liquid without lowering performance of a reboiler by decompressing a condensed water drum is provided. This system includes a reboiler that raises the temperature of absorbing liquid contacted with exhaust gas discharged from a boiler to absorb CO2 in the exhaust gas and heated to eliminate CO2. The reboiler includes a heat exchanger tube to which steam for heating is supplied and a condensed water drum that recovers condensed water of the steam introduced from the heat exchanger tube as steam drain, and the condensed water drum is provided with decompression unit that lowers pressure in the condensed water drum.

Abstract: Provided is an insect pest control product that is applicable to a water-based insecticidal composition and can continue to exert stable performance over a long period of time. The insect pest control product 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 and/or glycol compound having a boiling point of 150-300° C., and water. The thermal vaporization/diffusion absorbent wick has an insecticidal component/compound condensation ratio (P1/P2) within the range of 1.2-6.

Abstract: A supported molded catalyst having increased hardness, the supported molded catalyst being capable of improving the long-term stability of a reaction for producing a conjugated diolefin by catalytic oxidative dehydrogenation from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen; and a method for producing the catalyst is provided. A molded catalyst for conjugated diolefin production, the molded catalyst being a catalyst for producing a conjugated diolefin by a catalytic oxidative dehydrogenation reaction from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen, and being produced by molding a composite metal oxide and a glass fiber-like inorganic auxiliary agent.

Abstract: A three-dimensional structure is provided which is obtained by molding a volatile chemical-containing resin composition into a plate form, wherein the three-dimensional structure includes through-holes penetrating therethrough from the front to the back thereof, the through-holes have peripheries having a shape selected from polygonal, circular, circular arc and spiral shapes when the three-dimensional structure is viewed from the front, and the peripheries of the through-holes are formed on a single plane or on a smoothly curved imaginary surface.

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 are a catalyst that may suppress the production of a coke-like substance in a reaction for producing a conjugated diolefin from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen. A composite metal oxide catalyst for producing a conjugated diolefin from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen by a catalytic oxidative dehydrogenation reaction, the composite metal oxide catalyst having a relative intensity range of X-ray diffraction peaks represented by the following Formula (A): 0?Rh(=Ph1/Ph2)<0.8 (A) wherein Ph1 represents the maximum peak height within the range of 2?=28.1°±0.2° for the X-ray diffraction peaks; Ph2 represents the maximum peak height within the range of 2?=27.9°±0.2° for the X-ray diffraction peaks; and Rh represents the relative intensity ratio of Ph1 with respect to Ph2.

Abstract: Provided is a water-based insecticidal composition to be vaporized and diffused by being heated for controlling mosquitoes having reduced susceptibility to a pyrethroid insecticidal component. The composition contains 0.1-3.0 mass % of the pyrethroid insecticidal component, 10-70 mass % of at least one glycol ether compound having a boiling point of 150-300° C. as a susceptibility reduction-countering auxiliary agent for the pyrethroid insecticidal component, and water.

Abstract: Provided are a catalyst which, in a reaction. for producing a conjugated diolefin by catalytic oxidative dehydrogenation from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen, may suppress the production of a coke-like substance and improve the long-term stability of the reaction; and a method for producing the same. Disclosed is a composite metal oxide catalyst for producing a conjugated diolefin by a gas phase catalytic oxidative dehydrogenation reaction from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen, the composite metal oxide catalyst having a solid acidity of 35 to 172 ?mol/g.

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.