Abstract: A spherical alumina powder, wherein D50 is 0.1 to 40 ?m; a circularity is 0.90 or more and 1.00 or less; an ?-phase percentage is 60% or more and 100% or less; and a particle surface roughness represented by Equation (1) below is 1.14 or more and 1.35 or less: Particle ? surface ? roughness = BET ? specific ? surface ? area ? A / sphere - equivalent ? specific ? surface ? area ? Sa ? calculated ? from ? particle ? size ? distribution .

Abstract: The present invention includes a pallet storage device (30) having holding units (31, 32, 33) holding pallets (P) and a frame (40) supporting the holding units (31, 32, 33), a conveyance device (10) having a traveling base (11) having a traveling path (11a) extending along the pallet storage device (30) and a conveyance unit (15) loading and unloading the pallets (P) into and from the holding units (31, 32, 33) and conveying the pallets (P) to and from a predetermined place, and a controller (60) controlling operation of the conveyance device (10). The frame (40) has a space capable of receiving the controller (60) therein and has a plate-shaped cover (43, 48, 51) arranged to be located above the controller (60) and inclined downward toward the traveling base (11) side.

Abstract: The present invention includes a pallet storage device (30) having holding units (31, 32, 33) holding pallets (P) and a frame (40) supporting the holding units (31, 32, 33), a conveyance device (10) having a traveling base (11) having a traveling path (11a) extending along the pallet storage device (30) and a conveyance unit (15) loading and unloading the pallets (P) into and from the holding units (31, 32, 33) and conveying the pallets (P) to and from a predetermined place, and a controller (60) controlling operation of the conveyance device (10). The frame (40) has a space capable of receiving the controller (60) therein and has a plate-shaped cover (43, 48, 51) arranged to be located above the controller (60) and inclined downward toward the traveling base (11) side.

Abstract: An aluminum nitride sintered compact containing aluminum nitride crystal grains and composite oxide crystal grains containing a rare earth element and an aluminum element, wherein a median diameter of the aluminum nitride crystal grains is 2 ?m or less; 10 to 200 intergrain voids having a longest diameter of 0.2 to 1 ?m are dispersed in a region of a cross section of 100 ?m in square; and the carbon atom content is less than 0.10% by mass. Also disclosed is a method of producing the aluminum nitride sintered compact.

Abstract: Provided is a biological fluid-treating filter for treating a biological fluid containing erythrocytes, which has a matrix and a polymer retained by the matrix, the polymer having a zwitterion-containing functional group and a basic nitrogen-containing functional group. By using the filter in which the polymer has the zwitterion-containing functional group and the basic nitrogen-containing functional group, it is possible to treat the biological fluid containing erythrocytes without adversely affecting the erythrocytes.

Abstract: An aluminum nitride sintered compact containing aluminum nitride crystal grains and composite oxide crystal grains containing a rare earth element and an aluminum element, wherein a median diameter of the aluminum nitride crystal grains is 2 ?m or less; 10 to 200 intergrain voids having a longest diameter of 0.2 to 1 ?m are dispersed in a region of a cross section of 100 ?m in square; and the carbon atom content is less than 0.10% by mass. Also disclosed is a method of producing the aluminum nitride sintered compact.

Abstract: A method for producing a graphite powder for a negative electrode of a lithium ion secondary battery, including a process of graphitizing a mixture of a carbon raw material powder and a silicon carbide powder, wherein a 90% particle diameter in a volume-based cumulative particle size distribution by laser diffraction method, D90, is 1 to 40 ?m, a silicon carbide content in a total mass of a carbon raw material and silicon carbide (mass of silicon carbide/total mass of the carbon raw material and silicon carbide) is 1 to 35 mass %, the ratio of a 50% particle diameter in a volume-based cumulative particle size distribution by laser diffraction method, D50, of the carbon raw material powder to D50 of silicon carbide powder (D50 of the carbon raw material powder/D50 of silicon carbide powder) is 0.40 to 4.0.

Abstract: A graphite material, including high crystallinity graphite and spherical graphite, in which high crystallinity graphite: (1) a rhombohedral crystal ratio by X-ray diffractometry is 0.02 or less, (2) Lc is 90 nm or more, (3) when a pressure of 1 GPa for 10 seconds is applied to the high crystallinity graphite, the increment rate of the BET specific surface area after applying the pressure to the BET specific surface area before applying the pressure is 90% or less, and (4) D10 is 5.0 ?m or more; and in which spherical graphite: (1) a median of the circularity is 0.90 or more, and (2) a tapping density is 1.20 g/cm3 or more; and the ratio by mass of the high crystallinity graphite and the spherical graphite is 95:5 to 40:60; an electrode using the graphite material as an electrode active material; and a lithium ion secondary battery using the electrode.

Abstract: A vehicle seat includes: a seat cushion; a seat back that is connected to a rear part of the seat cushion; a head rest; and a connected member that is provided in the head rest. The head rest is arranged on top of the seat back in a standing state through the connecting member. The connecting member has a frame part, which constitutes a frame of the head rest, and a bracket part, which is fixed to the seat back side, in an integrated manner.

Abstract: The present invention relates to a method for producing a graphite-containing carbon powder for a negative electrode of a lithium ion secondary battery having a high undersize yield and a high tapping density, which does not need pulverization treatment after heat treatment. The method comprises a process of forming a carbon coating on the surface of the carbide particles to obtain a carbon-coated raw material; a process of mixing the carbon-coated raw material and a carbon material to obtain a mixed raw material; and a heat treatment process of heating the mixed raw material to 2,000° C. or more to thermally decompose the carbide. Using the graphite-containing carbon powder according to the method of the present invention makes it possible to efficiently obtain a carbon material for a battery electrode, an electrode comprising the carbon material, and a secondary battery having the electrode.

Abstract: A method for producing a graphite powder for a negative electrode of a lithium ion secondary battery, including a process of graphitizing a mixture of a carbon raw material powder and a silicon carbide powder, wherein a 90% particle diameter in a volume-based cumulative particle size distribution by laser diffraction method, D90, is 1 to 40 ?m, a silicon carbide content in a total mass of a carbon raw material and silicon carbide (mass of silicon carbide/total mass of the carbon raw material and silicon carbide) is 1 to 35 mass %, the ratio of a 50% particle diameter in a volume-based cumulative particle size distribution by laser diffraction method, D50, of the carbon raw material powder to D50 of silicon carbide powder (D50 of the carbon raw material powder/D50 of silicon carbide powder) is 0.40 to 4.0.

Abstract: A vehicle seat includes: a seat cushion; a seat back that is connected to a rear part of the seat cushion; a head rest; and a connected member that is provided in the head rest. The head rest is arranged on top of the seat back in a standing state through the connecting member. The connecting member has a frame part, which constitutes a frame of the head rest, and a bracket part, which is fixed to the seat back side, in an integrated manner.

Abstract: Provided is a biological fluid-treating filter for treating a biological fluid containing erythrocytes, which has a matrix and a polymer retained by the matrix, the polymer having a zwitterion-containing functional group and a basic nitrogen-containing functional group. By using the filter in which the polymer has the zwitterion-containing functional group and the basic nitrogen-containing functional group, it is possible to treat the biological fluid containing erythrocytes without adversely affecting the erythrocytes.

Abstract: A data authenticity assurance method carried out by a management computer including: a first step of receiving the first data piece from the computer; a second step of selecting a plurality of second data pieces at predetermined intervals in chronological order from among the plurality of second data pieces held in the data holding part; a third step of performing an arithmetic operation for each of the hash values of the selected plurality of second data pieces; a fourth step of generating signature target data by combining the first data piece received from the computer with the hash values of the selected plurality of second data pieces; and a fifth step of generating a second data piece by assigning the digital signature to the signature target data by using the preset key, and holding the generated second data piece in chronological order sequentially in the data holding part.

Abstract: A method of producing carbon fibers, in which the producing method comprises allowing a supported type catalyst and a carbon atom-containing compound to come in contact with each other in a heating zone, wherein the supported type catalyst is prepared by a method comprising impregnation of a powdery carrier with colloid containing catalyst to support particles of the catalyst on the powdery carrier having a specifically developed crystal plane such as a powdery carrier being 4 or more in the ratio (I1/I2) of the intensity I1 of the strongest peak to the intensity I2 of the second strongest peak observed in X-ray diffraction, or a powdery carrier having the ratio (I1/I2) of the intensity I1 of the strongest peak to the intensity I2 of the second strongest peak observed in X-ray diffraction of 1.5 times or more the ratio (I1s/I2s) of the intensity I1s of the strongest peak to the intensity I2s of the second strongest peak described in JCPDS.

Abstract: A method of covalently bonding a cyclic nitroxide radical compound to a hydrophobic block of a specific hydrophylic-phobic block copolymer, and polymerized cyclic nitroxide radical compound copolymerized in this manner, as well as use of such a compound, for instance, in the medical field are provided. The compound demonstrates long term stability in vivo under reductive environment.

Abstract: The present invention relates to a resin molded body for electrostatic coating, which contains resin and carbon fiber that have an average fiber diameter of from 1 nm to 150 nm (inclusive), and which has a surface resistivity of from 1.0×103?/? to 9.9×1013?/? (inclusive) and a volume resistivity of from 1.0×103 ?·cm to 9.9×105 ?·cm (inclusive). This resin molded body for electrostatic coating exhibits excellent coating efficiency by means of electrostatic coating, while having excellent mechanical properties.

Abstract: A data authenticity assurance method carried out by a management computer including: a first step of receiving the first data piece from the computer; a second step of selecting a plurality of second data pieces at predetermined intervals in chronological order from among the plurality of second data pieces held in the data holding part; a third step of performing an arithmetic operation for each of the hash values of the selected plurality of second data pieces; a fourth step of generating signature target data by combining the first data piece received from the computer with the hash values of the selected plurality of second data pieces; and a fifth step of generating a second data piece by assigning the digital signature to the signature target data by using the preset key, and holding the generated second data piece in chronological order sequentially in the data holding part.

Abstract: A method of producing carbon fibers, in which the producing method comprises allowing a supported type catalyst and a carbon atom-containing compound to come in contact with each other in a heating zone, wherein the supported type catalyst is prepared by a method comprising impregnation of a powdery carrier with colloid containing catalyst to support particles of the catalyst on the powdery carrier having a specifically developed crystal plane such as a powdery carrier being 4 or more in the ratio (I1/I2) of the intensity I1 of the strongest peak to the intensity I2 of the second strongest peak observed in X-ray diffraction, or a powdery carrier having the ratio (I1/I2) of the intensity I1 of the strongest peak to the intensity I2 of the second strongest peak observed in X-ray diffraction of 1.5 times or more the ratio (I1s/I2s) of the intensity I1s of the strongest peak to the intensity I2s of the second strongest peak described in JCPDS.

Abstract: A method of covalently bonding a cyclic nitroxide radical compound to a hydrophobic block of a specific hydrophylic-phobic block copolymer, and polymerized cyclic nitroxide radical compound copolymerized in this manner, as well as use of such a compound, for instance, in the medical field are provided. The compound demonstrates long term stability in vivo under reductive environment.