Abstract: A fullerene derivative represented by the following formula (1): wherein “FLN” represents a fullerene core, R1 represents an optionally substituted C1-C24 alkyl group or an optionally substituted C7-C24 aralkyl group, R2 and R3 independently represent a hydrogen atom or an optionally substituted C1-C24 hydrocarbon group but excluding a case where both of R2 and R3 are hydrogen atoms, and R2 and R3 may combine together to form a ring.

Abstract: An optical fiber transmission line capable of minimizing the total splice loss per one span thereof. One span of an optical fiber transmission line provided between repeaters has two connection fibers and (N+1) number of optical transmission fibers. The optical connection fibers and are single mode optical fibers (SSMF) based on International standard ITU-T G.652 standard. (N+1) number of the optical transmission fibers are connected in series in order between the two optical connection fibers. The total splice loss ?sp—total of the optical fiber transmission line as calculated from the given formula is 1.4 dB or less, when the average value of the mode field diameter of the two connection fibers is W?, and the average value of the mode field diameter of (N+1) number of the optical transmission fibers is W, and the axial misalignment width at the splice point of the optical transmission fibers is d.

Abstract: A driving force control device for a hybrid vehicle includes: a travel load calculation unit adapted to divide a predicted route from a current position to a predetermined distance ahead into a plurality of intervals, and to estimate a travel load in each interval; a recommended discharge amount calculation unit adapted to search for a regeneration possible interval, in which a travel condition required by a driver can be maintained even when an output of an internal combustion engine is stopped and regeneration is performed by a motor/generator, from an estimation result, and to estimate a charge amount expected value in the regeneration possible interval, and distributes the charge amount expected value preferentially to an adjacent interval to the regeneration possible interval as a recommended discharge amount in order to stop the output of the internal combustion engine; and an energy management unit that controls an operation of the motor/generator in the current position on the basis of a travel condit

Abstract: An optical fiber according to an embodiment of the present invention is provided with a center core, a side core, and a cladding. The center core includes a ring part where a relative index difference varies discontinuously, in its peripheral region, and when a is a radius from a core center to an outside of the ring part and c is a radius to a position where the relative index difference is maximum in the side core, an index profile is realized in a shape where c/a is in the range of 2.25 to 2.50, so as to enable setting of a dispersion value, a cable cutoff wavelength, a bending loss in the diameter of 20 mm, and an effective area in desired ranges.

Abstract: The present invention provides a tank including an O-ring 34 between a cylindrical mouth portion 18, which is formed in a resin liner 12 forming a tank body which is to be filled with gas, and a ferrule member 20 which is mounted on an inner peripheral side of the mouth portion 18. An insert ring 36 which is insert-molded at the time of molding the resin liner 12 is provided within the mouth portion 18. The insert ring 36 includes a plurality of communication holes 38 which communicate between the inner peripheral side and an outer peripheral side thereof.

Abstract: A coating composition including ultrafine silica particles having an average particle diameter of 15 nm or less and fluororesin particles, in which ultrafine silica particle content is 0.1 to 5 mass %, and the mass ratio of the ultrafine silica particles to the fluororesin particles is 70:30 to 95:5. According to the coating composition, there is provided a coating film which makes it possible to readily coat the surfaces of various articles without impairing the color tone and the texture and which is excellent in antisoiling performance and durability.

Abstract: An optical fiber includes a core section and a cladding section. A k value expressed by k=4Aeff/(?MFD2) is 1.08 or larger, Aeff being an effective area and MFD being a mode field diameter, at a wavelength of 1550 nm, a chromatic dispersion is in a range from +19.0 ps/nm/km to +21.9 ps/nm/km, and MFD is in a range from 10.3 ?m to 13.0 ?m. The inequality, r1<r2<r3, is established, R=r3/r2 is larger than 1.0 and equal to or smaller than 5.4, and a relative refractive index difference ?12 of the maximum value N2 with respect to the minimum value N1 is 0.05% or higher, r1 and r2 being radial positions respectively with minimum and maximum value N1 and N2 of a refractive index in the core section and r3 being a radius of the core section.

Abstract: A method of making a solid element device that includes a solid element, an element mount part on which the solid element is mounted and which has a thermal conductivity of not less than 100 W/mK, an external terminal provided separately from the element mount part and electrically connected to the solid element, and a glass sealing part directly contacting and covering the solid element for sealing the solid element, includes pressing a glass material at a temperature higher than a yield point of the glass material for forming the glass sealing part.

Abstract: The invention relates to an optical fiber employable in an optical communication system using Raman amplification and adapted to improve OSNR and suppress bending loss at the same time, and the like. The optical fiber is a silica-based optical fiber having a depressed refractive index profile constituted by at least a core, an inner cladding having a low refractive index, and an outer cladding, an effective area Aeff of 110 ?m2 or more at the wavelength of 1550 nm, and a fiber cutoff wavelength ?c of 1.3 ?m or more but 1.53 ?m or less. The depressed refractive index profile is designed such that the ratio Ra(=2b/2a) of the diameter of the inner cladding to the diameter of the core is 2.5 or more but 3.5 or less and that the relative refractive index difference ?? of the inner cladding with respect to the outer cladding is at least the relative refractive index difference ??min where the bending loss at the wavelength for use is minimized but not exceeding (??min+0.06) %.

Abstract: A coated optical fiber 1 comprising a glass fiber 10 and a primary coating layer 20 on the outer circumference of the glass fiber 10, wherein a resin constituting the primary coating layer 20 contains ingredient(s) having a molecular weight of more than 1,000, which is extracted with methyl ethyl ketone, in an amount of 5% by weight or more and 21% by weight or less and has a Young's modulus of 0.2 to 1.0 MPa. The resin constituting the primary coating layer 20 of the coated optical fiber 1 has a good curability, and the coated optical fiber 1 exhibits a reduced microbending loss.

Abstract: An output characteristic control device for an internal combustion engine includes a road traffic environment detection unit configured to detect a road traffic environment in which an own vehicle is running, a recommended vehicle speed calculation unit configured to calculate a recommended vehicle speed of the own vehicle in the detected road traffic environment, a target output characteristic setting unit configured to set a target output characteristic of the internal combustion engine so that an output of the internal combustion engine corresponding to an accelerator operation amount is reduced as a vehicle speed difference between the recommended vehicle speed and an own-vehicle speed decreases, and an output characteristic changing unit configured to change the output characteristic of the internal combustion engine to the target output characteristic.

Abstract: The fuel cell of the invention includes an electrolyte assembly, and a separator having one face as a gas flow path-forming face with a gas flow path formed thereon to allow flow of a reactive gas and the other face, which is reverse to the one face, as a refrigerant flow path-forming face with a refrigerant flow path formed thereon to allow flow of a refrigerant. The gas flow path-forming face of the separator has multiple linear gas flow paths that are arranged in parallel to one another, and a gas flow path connection structure that divides the multiple linear gas flow paths into plural linear gas flow path groups and connects at least part of the plural linear gas flow path groups in series.

Abstract: A separator has a concavo-convex structure formed in mutually reversed shapes on two opposite sides thereof to define flow paths of different fluids on the respective two sides. The concavo-convex structure includes multiple first projections formed and protruded on one side of the two opposite sides and arranged at intervals having a preset regularity. The concavo-convex structure also includes multiple second projections formed and protruded on the other side of the two opposite sides in a specific area corresponding to an area for formation of the multiple first projections on the one side and arranged at intervals having a preset regularity. The concavo-convex structure further includes reinforcing elements protruded on the one side.

Abstract: A coating composition according to the present invention includes silica microparticles and fluorine resin particles. The coating film formed on a surface of an article includes a silica film composed of the silica microparticles, in which the fluorine resin particles are dotted so as to partially expose from a surface of the silica film, an exposed area of the silica film is larger than an exposed area of the fluorine resin particles, and amount of natrium contained in the coating composition is made equal to or less than 0.5% in a ratio by weight to contained amount of the silica microparticles.

Abstract: An optical fiber includes a core section and a cladding section. A k value expressed by k=4Aeff/(?MFD2) is 1.08 or larger, Aeff being an effective area and MFD being a mode field diameter, at a wavelength of 1550 nm, a chromatic dispersion is in a range from +19.0 ps/nm/km to +21.9 ps/nm/km, and MFD is in a range from 10.3 ?m to 13.0 ?m. The inequality, r1<r2<r3, is established, R=r3/r2 is larger than 1.0 and equal to or smaller than 5.4, and a relative refractive index difference ?12 of the maximum value N2 with respect to the minimum value N1 is 0.05% or higher, r1 and r2 being radial positions respectively with minimum and maximum value N1 and N2 of a refractive index in the core section and r3 being a radius of the core section.

Abstract: An object of the present invention is to provide optical glass having improved glass-devitrification resistance and moldability without causing reduction in refractive index, and also provide an optical element using the optical glass as a raw material. Specifically, the present invention provides an optical glass containing components of, by mol %: B2O3: over 60% through 75%; Bi2O3: 24% to 39%; La2O3: 7% or lower; Gd2O3: 7% or lower; and ZrO2: 7% or lower.

Abstract: There is realized a structure particularly suitable for inhibiting deformation of separators having a structure where the shapes of projections and recesses are inverted from each other on the front side and the back side of each separator as in a pressed metal separator. Between adjacent separators, there is formed either a power generation region where MEAs and frame members for holding at least a part of the MEAs are inserted or a refrigerant flow region where neither the MEAs nor the frame members are inserted. A deformation inhibiting region for inhibiting deformation of each separator is formed by a projection provided on the separator. Also, a projection for inhibiting the separator from deforming at the deformation inhibiting region or nearby is formed on each frame member. The projection is projected toward the back side of the deformation inhibiting region, where the deformation inhibiting region is a recess on the back side of the separator.

Abstract: In at least one of flow distribution areas 35 provided on a separator 15, plurality of first projections 46 formed in a region corresponding to a first section (parted regions 32a and 32c) of a center area (including parted regions 32a through 32c) having a relatively high flow rate of a first fluid (refrigerant) are designed to have a larger diameter of a cross section than plurality of first projections 46 formed in a region corresponding to a second section (parted region 32b) of the center area having a relatively low flow rate of the first fluid. This arrangement effectively attains a substantially uniform flow rate distribution of a fluid in a fluid flow path formed on a separator, which is configured to have concavo-convex structures formed in a mutually reversed relation on two opposed sides thereof.

Abstract: In at least one of flow distribution areas 35 provided on a separator 15, plurality of first projections 46 formed in a region corresponding to a first section (parted regions 32a and 32c) of a center area (including parted regions 32a through 32c) having a relatively high flow rate of a first fluid (refrigerant) are designed to have a larger diameter of a cross section than plurality of first projections 46 formed in a region corresponding to a second section (parted region 32b) of the center area having a relatively low flow rate of the first fluid. This arrangement effectively attains a substantially uniform flow rate distribution of a fluid in a fluid flow path formed on a separator, which is configured to have concavo-convex structures formed in a mutually reversed relation on two opposed sides thereof.

Abstract: A method of making a solid element device that includes a solid element, an element mount part on which the solid element is mounted and which has a thermal conductivity of not less than 100 W/mK, an external terminal provided separately from the element mount part and electrically connected to the solid element, and a glass sealing part directly contacting and covering the solid element for sealing the solid element, includes pressing a glass material at a temperature higher than a yield point of the glass material for forming the glass sealing part.