Abstract: A vehicle headlamp is provided including a road surface pattern-rendering unit and a dust removal device. The road surface pattern-rendering unit is installed to a headlamp unit provided to a front end section of a vehicle, and forms a specific light distribution pattern by causing light shone from a light source to be reflected by a MEMS mirror toward a vehicle front side. The dust removal device is provided to the headlamp unit and removes dust adhering to the MEMS mirror.

Abstract: A vehicular headlamp includes: a first light distribution portion including a first light source; a second light distribution portion including a second light source and an micro electro mechanical system mirror; a holding member configured to hold the first light source, the second light source, and the micro electro mechanical system mirror; a single lens including a first lens portion and a second lens portion; and a separating wall formed in the holding member so as to protrude toward the vehicle front side relative to the holding member, the separating wall being configured to separate a region between the first lens portion and the holding member from a region between the second lens portion and the holding member.

Abstract: A high beam unit 12 includes: a reflective mirror 30 having a reflective surface 32 that reflects light from a light source 44; a mirror member 58 on which the light reflected by the reflective surface 32 is incident which is capable of forming plural light distribution patterns, and which reflects the incident light in a vehicle forward direction; a lens 16 on which the light reflected by the mirror member 58 is incident and which projects that light in the vehicle forward direction; and a lens holding member 20 that is formed integrally with the reflective mirror 30 and supports the lens 16 in a support position P0 including a section of, or a section in a vicinity of, an outer peripheral portion of the lens 16 positioned on a plane orthogonal to the optical axis and passing through a center of gravity G.

Abstract: Disclosed is an inorganic material that can exhibit an excellent photocatalytic gas decomposition function while maintaining an abrasion resistance on a level that is usually required of this type of inorganic materials. The inorganic material includes an inorganic material base and a photocatalyst layer that is formed by firing and is provided on the surface of the inorganic material base, the photocatalyst layer containing: photocatalyst particles; zirconia particles having a BET specific surface area of not less than 10 m2/g or crystalline zirconia particles having a mean crystallite diameter of less than 20 nm; and an alkali silicate. The inorganic material including the photocatalyst layer exhibits a high photocatalytic gas decomposition function while maintaining an abrasion resistance on a level that is usually required of this type of inorganic materials.

Abstract: An exhaust gas cleaning catalyst for an internal combustion engine includes a cerium-containing oxide, palladium supported on the cerium-containing oxide, zinc supported on the cerium-containing oxide, and barium supported on the cerium-containing oxide.

Abstract: Disclosed is an inorganic material that can exhibit an excellent photocatalytic gas decomposition function while maintaining an abrasion resistance on a level that is usually required of this type of inorganic materials. The inorganic material includes an inorganic material base and a photocatalyst layer that is formed by firing and is provided on the surface of the inorganic material base, the photocatalyst layer containing: photocatalyst particles; zirconia particles having a BET specific surface area of not less than 10 m2/g or crystalline zirconia particles having a mean crystallite diameter of less than 20 nm; and an alkali silicate. The inorganic material including the photocatalyst layer exhibits a high photocatalytic gas decomposition function while maintaining an abrasion resistance on a level that is usually required of this type of inorganic materials.

Abstract: A photocatalytic coating composition comprising photocatalytic titanium oxide, silver, copper and a quaternary ammonium hydroxide. The photocatalytic coating composition may include a photocatalytic titanium oxide sol dispersed in a binder. Furthermore, a photocatalytic member includes a substrate having a surface coated with the photocatalytic coating composition. The photocatalyst coating composition can contain highly antibacterial silver by skillfully utilizing copper and a quaternary ammonium hydroxide, and accordingly can show an antibacterial effect not only in a dark place simply due to silver, but also a higher antibacterial effect in a conventional application of employing ultraviolet sterilization by concomitantly using the photocatalyst titanium oxide sol according to the present invention and an ultraviolet sterilizer.

Abstract: A photocatalytic coating composition comprising photocatalytic titanium oxide, silver, copper and a quaternary ammonium hydroxide. The photocatalytic coating composition may include a photocatalytic titanium oxide sol dispersed in a binder. Furthermore, a photocatalytic member includes a substrate having a surface coated with the photocatalytic coating composition. The photocatalyst coating composition can contain highly antibacterial silver by skillfully utilizing copper and a quaternary ammonium hydroxide, and accordingly can show an antibacterial effect not only in a dark place simply due to silver, but also a higher antibacterial effect in a conventional application of employing ultraviolet sterilization by concomitantly using the photocatalyst titanium oxide sol according to the present invention and an ultraviolet sterilizer.

Abstract: A photocatalytic titanium oxide sol presents antibacterial properties in a dark place, and, in particular, relates to a photocatalytic titanium oxide sol which is stable and causes no discoloration by light even though containing silver, and relates to a coating composition and a member using the same. The photocatalytic titanium oxide sol includes silver, copper and a quaternary ammonium hydroxide, may be dispersed in a binder, and may be coated on the surface of a substrate.

Abstract: An exhaust gas purification system that is equipped, from an upstream side toward downstream side through which an exhaust gas flows, with a plasma reactor and a NOx selective reduction catalyst unit having a NOx selective reduction catalyst layer acting on the exhaust gas, and which system provides a reducing agent adding means adding a reducing agent to the exhaust gas at an upstream side of the plasma reactor, wherein the NOx selective reduction catalyst layer comprises nickel and a NOx selective reduction catalyst or wherein the NOx selective reduction catalyst layer contains ?-alumina that supports magnesium or wherein the NOx selective reduction catalyst unit comprises a first purification unit where an exhaust gas via the plasma reactor is introduced, and a second purification unit where an exhaust gas via the first purification unit is introduced.

Abstract: A photocatalytic titanium oxide sol presents antibacterial properties in a dark place, and, in particular, relates to a photocatalytic titanium oxide sol which is stable and causes no discoloration by light even though containing silver, and relates to a coating composition and a member using the same. The photocatalytic titanium oxide sol includes silver, copper and a quaternary ammonium hydroxide, may be dispersed in a binder, and may be coated on the surface of a substrate.

Abstract: A system for purifying an exhaust gas includes a plasma unit and a catalyst unit. The plasma unit generates energetic plasma species which react with particulate matters and nitrogen oxides contained in the exhaust gas. The catalyst unit has a catalyst which reacts with the exhaust gas. The plasma unit is disposed upstream relative to the catalyst unit in a direction of flow of the exhaust gas and the system provides sequential purification for the particulate matters and the nitrogen oxides.

Abstract: An exhaust gas purification system equipped, from an upstream side toward downstream side through which an exhaust gas flows, with a plasma reactor and a catalyst unit charged with a catalyst acting on NOx in the exhaust gas in this order, and equipped with a reducing agent supplying device to supply a reducing agent at an upstream side of the plasma reactor, wherein the catalyst has an NO2 adsorptive catalyst layer and an NO2 selective reduction catalyst layer contacting the NO2 adsorptive catalyst layer.

Abstract: A system for purifying an exhaust gas includes a plasma unit and a catalyst unit. The plasma unit generates energetic plasma species which react with particulate matters and nitrogen oxides contained in the exhaust gas. The catalyst unit has a catalyst which reacts with the exhaust gas. The plasma unit is disposed upstream relative to the catalyst unit in a direction of flow of the exhaust gas and the system provides sequential purification for the particulate matters and the nitrogen oxides.

Abstract: An exhaust gas purification system equipped, from an upstream side toward downstream side through which an exhaust gas flows, with a plasma reactor and a catalyst unit charged with a catalyst acting on NOx in the exhaust gas in this order, and equipped with a reducing agent supplying device to supply a reducing agent at an upstream side of the plasma reactor, wherein the catalyst has an NO2 adsorptive catalyst layer and an NO2 selective reduction catalyst layer contacting the NO2 adsorptive catalyst layer.

Abstract: An exhaust gas purification system that is equipped, from an upstream side toward downstream side through which an exhaust gas flows, with a plasma reactor and a NOx selective reduction catalyst unit having a NOx selective reduction catalyst layer acting on the exhaust gas, and which system provides a reducing agent adding means adding a reducing agent to the exhaust gas at an upstream side of the plasma reactor, wherein the NOx selective reduction catalyst layer comprises nickel and a NOx selective reduction catalyst or wherein the NOx selective reduction catalyst layer contains &ggr;-alumina that supports magnesium or wherein the NOx selective reduction catalyst unit comprises a first purification unit where an exhaust gas via the plasma reactor is introduced, and a second purification unit where an exhaust gas via the first purification unit is introduced.

Abstract: To decrease the content of a particulate material contained in an exhaust gas from a diesel engine or the like, the content of the particulate material is continuously decreased by generating plasma in the exhaust gas containing the particulate material to thereby produce a plurality of O(1D) radicals and subsequently produce a plurality of per-hydroxide excited species, and oxidizing the particulate material by the per-hydroxide excited species.

Abstract: A purification catalyst for exhaust gas has high purification performance for the exhaust gas even under a high oxygen concentration atmosphere. The purification catalyst for exhaust gas contains cerium oxide, zeolite carrying Pt, and tin or a tin oxide.

Abstract: A hydrophilic material comprises a substrate and a hydrophilic layer provided as the outermost layer on the substrate. The hydrophilic layer comprises hydrophilic metal oxide particles and a hydrophilic inorganic amorphous material. The hydrophilic layer has profile peaks on its surface. The hydrophilic layer has roughness properties such that, when a segment is set in only a portion not containing the profile peaks, the ten-point mean roughness (Rz) and the mean distance between concaves and convexes (Sm) obtained from a profile curve in the segment are 10 nm≦Rz≦40 nm and 10 nm≦Sm≦300 nm, respectively, while, when a segment is set so as to pass through the profile peaks, the ten-point mean roughness (Rz) and the mean distance between concaves and convexes (Sm) obtained from a profile curve in the segment are 40 nm≦Rz≦200 nm and 300 nm≦Sm≦500 nm, respectively.

Abstract: A purification catalyst for exhaust gas has high purification performance for the exhaust gas even under a high oxygen concentration atmosphere. The purification catalyst for exhaust gas contains cerium oxide, zeolite carrying Pt, and tin or a tin oxide.