Abstract: This storage unit is configured to store an outside-of-panel acoustic transfer function that is an acoustic transfer function involving an airborne sound that is a sound emitted from a sound source located outside a panel member and propagated through the air to an outer surface of the panel member, and a panel transmission function that is an acoustic transfer function from the outer surface of the panel member to an inner surface of the panel member. This sound transmission analyzing unit is configured to calculate, based on the outside-of-panel acoustic transfer function and the panel transmission function, an acoustic transfer function from the sound source via the air to the inner surface of the panel member.

Abstract: An air filter medium having a large thickness and a low filling factor, a filter pack, an air filter unit, and methods for producing the air filter medium, the filter pack, and the air filter unit are provided. The air filter medium includes a fluororesin porous film having a portion with a filling factor of 3.5% or less, and the portion with a filling factor of 3.5% or less has a thickness of 45 ?m or more.

Abstract: There are provided an air filter medium, a filter pack, and an air filter unit in which the decrease in collection efficiency can be suppressed. The air filter medium includes a fluororesin. The PAO permeability ratio (final permeability/initial permeability) is less than 3.0. The initial permeability is a permeability of polyalphaolefin particles when air containing the polyalphaolefin particles having a number median diameter of 0.25 ?m is passed through the air filter medium at a flow velocity of 5.3 cm/s. The final permeability is a permeability of polyalphaolefin particles when air containing the polyalphaolefin particles having a number median diameter of 0.25 ?m is continuously passed through the air filter medium at a flow velocity of 5.3 cm/s and the pressure loss is increased by 250 Pa.

Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.

Abstract: For a denitration catalyst used for a denitration treatment of a combustion exhaust gas, for example, from a coal-fired boiler or the like, such a denitration catalyst is provided that has a sufficient mechanical strength capable of retaining the catalyst shape, has a better catalyst performance than the ordinary denitration catalyst containing crystals of zirconium oxide, is low in production cost. In the denitration catalyst comprising, as a base material, a honeycomb structure consisting of an inorganic fiber sheet, titania, vanadium oxide and/or tungsten oxide, and a zirconium compound (except for crystalline zirconium dioxide) as a shape-retaining binder are supported on the honeycomb structure.

Abstract: A mixed powder and a material for molding have polytetrafluoroethylene as a main component. Each includes polytetrafluoroethylene that can be fibrillated, a non-hot melt processable component that is not fibrillated, and a hot melt processable component with a melting point of lower than 320° C. that is not fibrillated. The non-hot melt processable component that is not fibrillated is contained in a range of 20 to 40% by weight of the total weight. The hot melt processable component is contained at equal to or more than 0.1% by weight but less than 20% by weight of the total weight. A drawn porous body includes a plurality of fibrils, and a plurality of knotted portions that are connected to each other by the fibrils.

Abstract: A filtering medium includes first and second porous membranes mainly composed of fluororesin, and a plurality of air permeable supports to support the first and second membranes. The second membrane is disposed downstream of the first membrane. When air containing polyalphaolefin particles with a count median diameter of 0.25 ?m is continuously passed through at a flow rate of 5.3 cm/sec and pressure loss is increased by 250 Pa, the first membrane has a dust retention amount larger than the second membrane. The filtering medium has a pressure loss of less than 200 Pa when air is passed through at a flow rate of 5.3 cm/sec. A collecting efficiency of NaCl particles with a particle diameter of 0.3 ?m is 99.97% or more when air containing the NaCl particles is passed through at a flow rate of 5.3 cm/sec. The dust retention amount is 25 g/m2 or more.

Abstract: To provide a treatment device equipped with a catalyst-supporting honeycomb structure, the device being for use in, for example, an exhaust gas purification treatment, hydrogen production by ammonia decomposition or the like, and a method for producing the same. The catalyst-supporting honeycomb structure is produced by forming the inorganic binder-containing functional catalyst-supporting corrugated glass paper without removing an organic binder originally contained in the glass paper and by using the corrugated glass paper in combination with the inorganic binder-containing functional catalyst-supporting flat glass paper.

Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.

Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.

Abstract: A mixed powder and a material for molding have polytetrafluoroethylene as a main component. Each includes polytetrafluoroethylene that can be fibrillated, a non-hot melt processable component that is not fibrillated, and a hot melt processable component with a melting point of lower than 320° C. that is not fibrillated. The non-hot melt processable component that is not fibrillated is contained in a range of 20 to 40% by weight of the total weight. The hot melt processable component is contained at equal to or more than 0.1% by weight but less than 20% by weight of the total weight. A drawn porous body includes a plurality of fibrils, and a plurality of knotted portions that are connected to each other by the fibrils.

Abstract: A method for processing an edge of a catalyst-supporting honeycomb structure in an exhaust gas denitration apparatus, in which an exhaust gas denitration apparatus equipped with a denitration catalyst-supporting honeycomb structure in which a corrugated plate-like inorganic fiber sheet and a flat plate-like inorganic fiber sheet, each supporting thereon a denitration catalyst containing a silica sol, titania particles, and ammonium metavanadate as a whole primary denitration catalyst layer, are alternately laminated, the edge of gas inlet side of the denitration catalyst-supporting honeycomb structure having the whole primary denitration catalyst layer is dipped in a denitration catalyst-containing slurry for edge processing composed of a silica sol, titania particles or kaolin particles, and ammonium metatungstate to form a coating layer of the denitration catalyst-containing slurry in the edge of the honeycomb structure, and this is dried and then calcinated to form an edge secondary denitration catalyst la

Abstract: The present invention provide a method for purifying exhaust gas in which nitrogen oxides (NOx) gas is removed from a combustion exhaust gas. The method for purifying exhaust gas according to the invention is characterized in that water vapor is further added to raw exhaust gas to be processed to increase the water vapor concentration in the exhaust gas and the resulting moisture-adjusted exhaust gas is introduced into a denitration catalyst layer. The water vapor concentration in the moisture-adjusted exhaust gas is preferably 22.0% by volume or less in the total of the water vapor originally contained in the raw exhaust gas and the added water vapor.

Abstract: A composition, a mixed powder and a material for molding have polytetrafluoroethylene as a main component. Each includes polytetrafluoroethylene that can be fibrillated, a non-hot melt processable component that is not fibrillated, and a hot melt processable component with a melting point of lower than 320° C. that is not fibrillated. The hot melt processable component is contained at equal to or more than 0.1% by weight but less than 20% by weight of a total weight. A filtering medium for an air filter includes a porous membrane made of these components, and an air permeable support. The porous membrane is manufactured, by mixing these components, extruding the mixture, rolling and drawing.

Abstract: A filtering medium includes first and second porous membranes mainly composed of fluororesin, and a plurality of air permeable supports to support the first and second membranes. The second membrane is disposed downstream of the first membrane. When air containing polyalphaolefin particles with a count median diameter of 0.25 ?m is continuously passed through at a flow rate of 5.3 cm/sec and pressure loss is increased by 250 Pa, the first membrane has a dust retention amount larger than the second membrane. The filtering medium has a pressure loss of less than 200 Pa when air is passed through at a flow rate of 5.3 cm/sec. A collecting efficiency of NaCl particles with a particle diameter of 0.3 ?m is 99.97% or more when air containing the NaCl particles is passed through at a flow rate of 5.3 cm/sec. The dust retention amount is 25 g/m2 or more.

Abstract: For a denitration catalyst used for a denitration treatment of a combustion exhaust gas, for example, from a coal-fired boiler or the like, such a denitration catalyst is provided that has a sufficient mechanical strength capable of retaining the catalyst shape, has a better catalyst performance than the ordinary denitration catalyst containing crystals of zirconium oxide, is low in production cost. In the denitration catalyst comprising, as a base material, a honeycomb structure consisting of an inorganic fiber sheet, titania, vanadium oxide and/or tungsten oxide, and a zirconium compound (except for crystalline zirconium dioxide) as a shape-retaining binder are supported on the honeycomb structure.

Abstract: The present invention provide a method for purifying exhaust gas in which nitrogen oxides (NOx) gas is removed from a combustion exhaust gas. The method for purifying exhaust gas according to the invention is characterized in that water vapor is further added to raw exhaust gas to be processed to increase the water vapor concentration in the exhaust gas and the resulting moisture-adjusted exhaust gas is introduced into a denitration catalyst layer. The water vapor concentration in the moisture-adjusted exhaust gas is preferably 22.0% by volume or less in the total of the water vapor originally contained in the raw exhaust gas and the added water vapor.

Abstract: To provide a treatment device equipped with a catalyst-supporting honeycomb structure, the device being for use in, for example, an exhaust gas purification treatment, hydrogen production by ammonia decomposition or the like, and a method for producing the same. The catalyst-supporting honeycomb structure is produced by forming the inorganic binder-containing functional catalyst-supporting corrugated glass paper without removing an organic binder originally contained in the glass paper and by using the corrugated glass paper in combination with the inorganic binder-containing functional catalyst-supporting flat glass paper.

Abstract: A composition, a mixed power and a material for molding have polytetrafluoroethylene as a main component. Each includes polytetrafluoroethylene that can be fibrillated, a non-hot melt processable component that is not fibrillated, and a hot melt processable component with a melting point of lower than 320° C. that is not fibrillated. The hot melt processable component is contained at equal to or more than 0.1% by weight but less than 20% by weight of a total weight. A filtering medium for an air filter includes a porous membrane made of these components, and an air permeable support. The porous membrane is manufactured, by mixing these components, extruding the mixture, rolling and drawing.

Abstract: A processing apparatus equipped with a catalyst-supporting honeycomb structure, which is characterized in that corrugated plate-like glass fiber papers having a functional catalyst supported thereon and flat plate-like glass fiber papers having the same functional catalyst supported thereon are alternately laminated without being bonded to each other, to form a catalyst-supporting honeycomb structure, and this catalyst-supporting honeycomb structure is packed in a casing.