Abstract: Provided is a resin composition containing a melt-moldable polyvinyl alcohol-based resin which is improved in gas barrier property, and a melt-molded article of the resin composition. The resin composition comprises a polyhydric alcohol having 5 to 15 carbon atoms in addition to a melt-moldable polyvinyl alcohol-based resin which has a primary hydroxyl group in the side chain. The polyhydric alcohol is preferably at least one selected from the group consisting of dipentaerythritol and pentaerythritol.

Abstract: Described herein are polymeric compounds including an acceptor dye and donor luminophore, a polymer, and optionally a bioconjugate group. A polymeric compound of the present invention may have a structure represented by: A-B-C or C-A-B, wherein A is an acceptor dye; B is a polymer comprising one or more hydrophobic unit(s) and one or more hydrophilic unit(s); and optionally C, wherein C, when present, comprises a bioconjugate group, wherein one or more donor luminophore(s) are each separately attached to a portion of the polymer and/or to a portion of the acceptor dye. Also described herein are compositions comprising the polymeric compounds and methods of preparing and using the same.

Abstract: An ethylene-vinyl alcohol copolymer has an ethylene content of 20 to 60 mol % and includes a carboxylic acid group and a lactone ring group present at terminals thereof, wherein the molar concentration (Y/Z) of a lactone ring molar content (Y) to a sum (Z) of a carboxylic acid molar content (X) and the lactone ring molar content (Y) is not less than 58 mol %. The ethylene-vinyl alcohol copolymer is excellent in high-temperature thermal stability substantially without thermal decomposition, and is free from odor emanation and coloration even if being processed at a higher temperature.

Abstract: A shaft has an outer circumferential surface provided with a recessed portion in which a cooling medium is accommodated. A roller is rotatable relative to the outer circumferential surface of the shaft. A radial sliding bearing supports the roller to be rotatable relative to the outer circumferential surface of the shaft. A floating seal includes a rotating-side member that is supported by the roller and a fixed-side member that slides together with the rotating-side member. In a radial direction of the shaft, the recessed portion faces: a sliding portion between the rotating-side member and the fixed-side member in the floating seal: and the radial sliding bearing.

Abstract: An ethylene-vinyl alcohol copolymer composition is provided, which contains an ethylene-vinyl alcohol copolymer and an iron compound, wherein the ethylene-vinyl alcohol copolymer has an ethylene content of 20 to 60 mol %, wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition.

Abstract: An object of the present invention is to provide a biodegradable acid-modified polyester resin, from which a laminate including a polyvinyl alcohol resin layer and a biodegradable resin layer, having little roughness at an adhesive layer interface between the two layers, and excellent in both appearance and adhesiveness can be obtained. The present invention relates to a biodegradable acid-modified polyester resin having an acid value of 2.0 mg·KOH/g to 6.5 mg·KOH/g.

Abstract: An electronic component mounting package includes a dielectric substrate between first portions of a pair of signal terminals that protrude from one side in a thickness direction from a first face of a base body. This dielectric substrate has a height lower than a height of the first portions. When an electronic component is mounted, a bonding wire is connected to a tip of each of the first portions to electrically connect the first portion to the electronic component.

Abstract: An optical semiconductor component package includes a base, a frame, a lid, and a light absorbing member located on an inner surface of the lid. The base is plate-like and has a first surface including a mount area in which an optical semiconductor component is mountable. The frame is located on the first surface and surrounds the mount area. The lid is plate-like and is bonded to the frame and covers the mount area. The light absorbing member is located on a second surface of the lid facing the mount area, and has a plurality of recesses on its surface.

Abstract: An ethylene-vinyl alcohol copolymer composition comprising: (A) an ethylene-vinyl alcohol copolymer; (B) a phosphoric acid compound; and an iron compound; wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition; wherein the phosphoric acid compound (B) is present in a proportion of 1 to 100 ppm on a phosphorus basis based on the weight of the ethylene-vinyl alcohol copolymer composition. Therefore, the ethylene-vinyl alcohol copolymer composition has an excellent adhesive property with respect to a metal surface.

Abstract: An ethylene-vinyl alcohol copolymer composition is provided, which contains an ethylene-vinyl alcohol copolymer and an iron compound, wherein the ethylene-vinyl alcohol copolymer has an ethylene content of 20 to 60 mol %, wherein the iron compound is present in a proportion of 0.01 to 100 ppm on a metal basis based on the weight of the ethylene-vinyl alcohol copolymer composition.

Abstract: An optical semiconductor component package includes a base, a frame, a lid, and a light absorbing member located on an inner surface of the lid. The base is plate-like and has a first surface including a mount area in which an optical semiconductor component is mountable. The frame is located on the first surface and surrounds the mount area. The lid is plate-like and is bonded to the frame and covers the mount area. The light absorbing member is located on a second surface of the lid facing the mount area, and has a plurality of recesses on its surface.

Abstract: An ethylene-vinyl alcohol copolymer has an ethylene content of 20 to 60 mol % and includes a carboxylic acid group and a lactone ring group present at terminals thereof, wherein the molar concentration (Y/Z) of a lactone ring molar content (Y) to a sum (Z) of a carboxylic acid molar content (X) and the lactone ring molar content (Y) is not less than 58 mol %. The ethylene-vinyl alcohol copolymer is excellent in high-temperature thermal stability substantially without thermal decomposition, and is free from odor emanation and coloration even if being processed at a higher temperature.

Abstract: An electronic component mounting package includes a dielectric substrate between first portions of a pair of signal terminals that protrude from one side in a thickness direction from a first face of a base body. This dielectric substrate has a height lower than a height of the first portions. When an electronic component is mounted, a bonding wire is connected to a tip of each of the first portions to electrically connect the first portion to the electronic component.

Abstract: There is provided a control device of a coal pulverizer which enables estimation of a coal output with a precision suited for a purpose. In a control device of a coal pulverizer which pulverizes coal by the coal pulverizer and estimates coal output by which the pulverized coal is output to a boiler, the control device includes a main operation circuit which calculates a command signal associated with a coal feed rate on the basis of detection data from a boiler or a power generator connected to the boiler, and an additional control unit which calculates the deviation between a standard coal output pattern preset in the coal pulverizer, and a current coal output pattern, and adds a calculation result by the additional control unit to the main operation circuit as a correction signal.

Abstract: There is provided a laminated plate including a first plate being curved in a first curved shape, a second plate having a second shape, the second shape being different from the first curved shape, and an inter mediate film bonding the first plate and the second plate; wherein a first corner edge of the laminated plate does not include a fold.

Abstract: An electronic component mounting package includes a first base including an upper surface and a first through-hole vertically formed; a second base having a second through-hole arranged to be overlapped with the first through-hole in a plan view; a sealing material filling the second through-hole; and a signal terminal that is fixed to the second base to pass through the sealing material and has an upper end portion that protrudes upwardly from the upper surface of the first base. The first base includes a plurality of first metal members and a second metal member, and the second metal member is vertically interposed between the plurality of first metal members. A thermal expansion coefficient of the first metal members is larger than a thermal expansion coefficient of the second base. A thermal conductivity of the second metal member is higher than a thermal conductivity of the first metal members.

Abstract: A method of producing a metal phthalocyanine compound, which contains: conducting a reaction between at least two compounds selected from among Compounds A to F of formula (I), and a metal compound, in a buffer solution of an organic base or an inorganic base and an acid, in the presence of a dehydrating agent: wherein R is a hydrogen atom or a substituent; 1 is an integer of 0 to 4; a plurality of Rs may be the same or different from each other when 1 is 2 to 4; and G is a group of atoms necessary for forming at least one of a 5- or 6-membered aromatic ring and a 5- or 6-membered hetero ring.

Abstract: A roller mill structure which achieves uniform distribution of fine particles passed through a rotary classifier to fine particle exits disposed at four points when conveying as pulverized coal milled in the roller mill on the air current is provided. A roller mill structure is configured to discharge pulverized coal obtained by milling a raw coal, which is loaded in a mill body (11), from fine particle exits (14) formed on the top of the mill body so as to be quartered in the circumferential direction to the outside by air current conveyance.

Abstract: To achieve an improvement in concentration distribution in a vertical direction at an inlet of a pulverized coal distributor and uniformly distribute pulverized coal to respective pulverized coal burners.

Abstract: An electronic component mounting package includes a first base including an upper surface and a first through-hole vertically formed; a second base having a second through-hole arranged to be overlapped with the first through-hole in a plan view; a sealing material filling the second through-hole; and a signal terminal that is fixed to the second base to pass through the sealing material and has an upper end portion that protrudes upwardly from the upper surface of the first base. The first base includes a plurality of first metal members and a second metal member, and the second metal member is vertically interposed between the plurality of first metal members. A thermal expansion coefficient of the first metal members is larger than a thermal expansion coefficient of the second base. A thermal conductivity of the second metal member is higher than a thermal conductivity of the first metal members.