Abstract: The present invention provides a polyamide resin composition capable of simultaneously satisfying, with regard to a molded body, suppression of dimensional change upon water absorption, excellent abrasion resistance after water absorption, excellent impact strength, and high surface strength. The present invention relates to a resin composition comprising a glass fiber having a non-circular cross section, and a polyamide resin having a structural unit having more than 6 carbon atoms per 1 amide group, wherein a number average molecular weight of the polyamide resin is 20000 to 40000, and a content of the glass fiber is 15 mass % to 60 mass %.

Abstract: A polyamide resin composition comprising a polyamide resin (A), glass (C), and optionally a styrene polymer (B1) and a modified PPE (B2), wherein the total amount of A, B1, and B2 and the amount of C are, respectively, 40 to 95% by weight and 60 to 5% by weight, based on the weight of the composition, wherein the amount of A and the total amount of B1 and B2 are, respectively, 50 to 100% by weight and 50 to 0% by weight, based on 100% by weight of the whole of A, B1, and B2, wherein when C contains glass containing no boron oxide (C1), the amount of C1 is 60 to 5% by weight, based on the weight of the composition, wherein when C does not contain C1, A is a polyoxamide resin, or the amount of A and the total amount of B1 and B2 are defined.

Abstract: Provided is a polyamide resin composition comprising a polyamide resin, a PAN carbon fiber, carbon black, and a black dye, wherein the polyamide resin composition contains the PAN carbon fiber in an amount of 7.5 to 25% by weight, based on the weight of the composition, contains the carbon black in an amount of 0.01 to 0.55% by weight, based on the weight of the composition, and contains the black dye in an amount of 0.01 to 1.0% by weight, based on the weight of the composition.

Abstract: The present invention provides a polyamide resin composition capable of simultaneously satisfying, with regard to a molded body, suppression of dimensional change upon water absorption, excellent abrasion resistance after water absorption, excellent impact strength, and high surface strength. The present invention relates to a resin composition comprising a glass fiber having a non-circular cross section, and a polyamide resin having a structural unit having more than 6 carbon atoms per 1 amide group, wherein a number average molecular weight of the polyamide resin is 20000 to 40000, and a content of the glass fiber is 15 mass % to 60 mass %.

Abstract: The present invention relates to a polyamide resin composition, which not only demonstrates superior mechanical properties but also has favorable moldability and superior thermal conductivity, wherein the polyamide resin composition comprises (A) a polyamide resin, (B) glass fibers, (C) a thermally conductive filler, and (D) a polyamide elastomer, and the amount of the component (B) based on 100 parts by mass of the total amount of the components (A), (B), (C) and (D) is 9 parts by mass to 35 parts by mass; and, a molded article comprising the same.

Abstract: Provided is a polyamide resin composition comprising a polyamide resin, a PAN carbon fiber, carbon black, and a black dye, wherein the polyamide resin composition contains the PAN carbon fiber in an amount of 7.5 to 25% by weight, based on the weight of the composition, contains the carbon black in an amount of 0.01 to 0.55% by weight, based on the weight of the composition, and contains the black dye in an amount of 0.01 to 1.0% by weight, based on the weight of the composition.

Abstract: The present invention relates to a polyamide resin composition, which not only demonstrates superior mechanical properties but also has favorable moldability and superior thermal conductivity, wherein the polyamide resin composition comprises (A) a polyamide resin, (B) glass fibers, (C) a thermally conductive filler, and (D) a polyamide elastomer, and the amount of the component (B) based on 100 parts by mass of the total amount of the components (A), (B), (C) and (D) is 9 parts by mass to 35 parts by mass; and, a molded article comprising the same.

Abstract: A polyamide resin composition containing a polyamide resin (A) and a property imparting component. The composition comprises relative to 100 parts by volume of the polyamide resin (A), as the property imparting component, 50 to less than 100 parts by volume of flake graphite (B), 5 to 40 parts by volume of carbon fibers (C), and 0.1 to 5 parts by volume of a polyhydric alcohol (D).

Abstract: A polyamide resin composition containing a polyamide resin (A) and a property imparting component. The composition comprises relative to 100 parts by volume of the polyamide resin (A), as the property imparting component, 50 to less than 100 parts by volume of flake graphite (B), 5 to 40 parts by volume of carbon fibers (C), and 0.1 to 5 parts by volume of a polyhydric alcohol (D).

Abstract: A polyamide resin composition comprising defined amounts of flake graphite, carbon fibers, and polyhydric alcohol. A polyamide resin composition comprising a polyamide resin and, as a property imparting component, at least one member selected from the group consisting of a metal oxide, a nitrogen compound, and a silicon compound, wherein a defined amount of the dicarboxylic acid units of the polyamide resin are oxalic acid. A polyamide resin composition comprising a polyamide resin and a defined amount of metal oxide particles, wherein the metal oxide particles contain those having a particle size of 70 ?m or more in an amount of 10 to 50% by mass and those having a particle size of 20 ?m or less in an amount of 1 to 50% by mass, based on the total mass of the metal oxide particles.

Abstract: In accordance with the present invention, there is provided a method for producing a single LTGA crystal from a polycrystalline starting material prepared from a mixture of La2O3, Ta2O5, Ga2O3, and Al2O3, wherein a mixture having a composition represented by y(La2O3)+(1?x?y?z)(Ta2O5)+z(Ga2O3)+x(Al2O3) (in the formula, 0<x?0.40/9, 3.00/9<y?3.23/9, and 5.00/9?z<5.50/9) is used as the polycrystalline starting material, and a single LTGA crystal is grown using the Z-axis as a crystal growth axis. The grown LTGA single crystal is preferably subjected to a vacuum heat treatment. The single LTGA crystal grown by the method according to the present invention, which is highly insulative and highly stable, can be utilized in such applications as a piezoelectric element of a highly reliable combustion pressure sensor useful in measurement of a combustion pressure in a combustion chamber of an internal combustion engine.

Abstract: Provided is an external resonance-type laser device with high wavelength conversion efficiency in which a nonlinear optical crystal is disposed outside of a resonator. The laser device includes a laser generation device configured to generate high-intensity laser light, a nonlinear optical crystal on which the high-intensity laser light generated by the laser generation device is incident and which is configured to generate a second harmonic wave light, and a different-element-fluxless-grown nonlinear optical crystal on which the second harmonic wave light generated by the nonlinear optical crystal is incident and which is configured to generate a fourth harmonic wave light. In the laser device, the different-element-fluxless-grown nonlinear optical crystal is not damaged even when high-intensity laser light of 100 MW/cm2 or more is incident.

Abstract: A polyamide resin composition comprising defined amounts of flake graphite, carbon fibers, and polyhydric alcohol. A polyamide resin composition comprising a polyamide resin and, as a property imparting component, at least one member selected from the group consisting of a metal oxide, a nitrogen compound, and a silicon compound, wherein a defined amount of the dicarboxylic acid units of the polyamide resin are oxalic acid. A polyamide resin composition comprising a polyamide resin and a defined amount of metal oxide particles, wherein the metal oxide particles contain those having a particle size of 70 ?m or more in an amount of 10 to 50% by mass and those having a particle size of 20 ?m or less in an amount of 1 to 50% by mass, based on the total mass of the metal oxide particles.

Abstract: A polyamide resin composition comprising a polyamide resin (A), glass (C), and optionally a styrene polymer (B1) and a modified PPE (B2), wherein the total amount of A, B1, and B2 and the amount of C are, respectively, 40 to 95% by weight and 60 to 5% by weight, based on the weight of the composition, wherein the amount of A and the total amount of B1 and B2 are, respectively, 50 to 100% by weight and 50 to 0% by weight, based on 100% by weight of the whole of A, B1, and B2, wherein when C contains glass containing no boron oxide (C1), the amount of C1 is 60 to 5% by weight, based on the weight of the composition, wherein when C does not contain C1, A is a polyoxamide resin, or the amount of A and the total amount of B1 and B2 are defined,

Abstract: In accordance with the present invention, there is provided a method for producing a single LTGA crystal from a polycrystalline starting material prepared from a mixture of La2O3, Ta2O5, Ga2O3, and Al2O3, wherein a mixture having a composition represented by y(La2O3)+(1-x-y-z)(Ta2O5)+z(Ga2O3)+x(Al2O3) (in the formula, 0<x?0.40/9, 3.00/9<y?3.23/9, and 5.00/9?z<5.50/9) is used as the polycrystalline starting material, and a single LTGA crystal is grown using the Z-axis as a crystal growth axis. The grown LTGA single crystal is preferably subjected to a vacuum heat treatment. The single LTGA crystal grown by the method according to the present invention, which is highly insulative and highly stable, can be utilized in such applications as a piezoelectric element of a highly reliable combustion pressure sensor useful in measurement of a combustion pressure in a combustion chamber of an internal combustion engine.

Abstract: Scintillator with both high fluorescence intensity and weak afterglow, can be offered. An aspect in accordance with the present invention provides, a fluorescent material with garnet structure containing Gd, Al, Ga, and O at least, containing Lu and/or Y, and also containing Ce as an activator, wherein said fluorescent material is expressed as (Gd1-x-zLxCez)3+a(Al1-uGau) 5-aO12, wherein L is Lu and/or Y, wherein 0<a?0.15, 0<x<1.0, 0.0003?z?0.0167 (here, x+z<1.0), and 0.2?u?0.6.

Abstract: To provide a material for sliding components, which is excellent in low warping property, high limiting PV value, low dynamic friction coefficient and wear resistance. This material is suitably used particularly for components such as gears, pulleys, cams and bearings of automobiles, and machines, and cable housing for supporting a cable (e.g., feed cable, signal cable, optical cable). The material for sliding components comprises a thermoplastic resin composition containing (A) a thermoplastic resin and (B) a glass fiber having a noncircular cross-section with the ratio of the long diameter to the short diameter in the cross-section perpendicular to the length direction being from 1.2 to 10.

Abstract: A laser-diode pumped solid-state laser apparatus comprises at least one laser diode producing a pumping laser light, and at least one laser light generator including a monocrystalline substance doped with a dopant element and pumped with the pumping laser light from at least one laser diode, the monocrystalline substance containing the dopant element with a concentration profile such that the dopant element increases a concentration thereof in a direction perpendicular to a laser oscillation direction gently in the form of a slope from a near zero concentration.

Abstract: Scintillator with both high fluorescence intensity and weak afterglow, can be offered. An aspect in accordance with the present invention provides, a fluorescent material with garnet structure containing Gd, Al, Ga, and O at least, containing Lu and/or Y, and also containing Ce as an activator, wherein said fluorescent material is expressed as (Gd1-x-zLxCez)3+a(Al1-uGau) 5-aO12, wherein L is Lu and/or Y, wherein 0<a?0.15, 0<x<1.0, 0.0003?z?0.0167 (here, x+z<1.0), and 0.2?u?0.6.

Abstract: An aspect in accordance with the present invention provides, a fluorescent material with garnet structure containing Gd, Al, Ga, and O at least, containing Lu and/or Y, and also containing Ce as an activator, wherein said fluorescent material is expressed as (Gd1?x?zLxCez)3+a(Al1?uGau)5?aO12, wherein L is Lu and/or Y, wherein 0<a?0.15, 0<x<1.0, 0.0003?z?0.0167 (here, x+z<1.0), and 0.2?u?0.6.