Abstract: A method for producing a lubricant base oil includes contacting feedstock containing normal paraffins having not less than 20 carbon atoms with a first catalyst in the presence of molecular hydrogen to obtain a first produced oil, and contacting the first produced oil with a second catalyst in the presence of molecular hydrogen to obtain a second produced oil. The first catalyst includes a first carrier in which a fraction of an amount of NH3 to be desorbed at 300 to 800° C. based on a total amount of NH3 to be desorbed is 80 to 90% in temperature-programmed desorption of NH3, a first metal selected from metals of Group VI in the periodic table carried on the first carrier, and a second metal selected from metals of Group VIII to Group X in the periodic table carried on the first carrier.

Abstract: Suppressing profile loss of a moving blade due to radial flow without an increase in the length of a shaft of a turbine is disclosed. The degree of reaction on an inner circumferential side is set to an appropriate degree, reducing profile loss due to supersonic inflow, and improving turbine efficiency. A steam turbine stator vane has a trailing edge with a curved line when the stator vane is viewed from a downstream side in the axial direction. The curved line has an inflection point located on an outer circumferential side with respect to the center of the stator vane in the height direction of the stator vane. An inner circumferential portion of the curved line is located on the inner circumferential side with respect to the inflection point. An outer circumferential portion of the curved line is located on the outer circumferential side with respect to the inflection point.

Abstract: In a method of manufacturing an optical device including an optical waveguide having a core, a cladding and a light input/output part through which a light beam is input or output, a substrate is prepared which is provided with a uniform thickness of single-crystalline film having its constituent atoms forming a diamond lattice structure and its surface being neither the (111) plane nor its equivalent planes. In the single-crystalline film, a precursor structure is formed which has a precursor of light input/output part. A mask is formed such as to expose the precursor with the remaining part covered. The structure is immersed into an alkaline solution for wet etching with the (111) planes used as etch-stop planes.

Abstract: Provided are a sintered ceramic and a ceramic sphere which are inhibited from suffering surface peeling due to fatigue resulting from repetitions of loading and can attain an improvement in dimensional accuracy when subjected to surface processing and which have excellent wear resistance and durability. A ceramic-sphere inspection device is also provided with which a ceramic sphere is inspected for a flaw present in the surface layer and for snow flakes without destroying the ceramic sphere. The device is a ceramic-sphere inspection device (100) in which a ceramic sphere (S) is rotatably supported in a given position and illuminating light emitted from a light projector (110) is detected with a light receiver (120) to evaluate the state of the inner part of the surface layer, and has been configured so that the light receiver (120) does not detect the light emitted from the light projector (110) and reflected at the surface of the ceramic sphere.

Abstract: The aviation fuel oil base of the present invention is obtained by hydrotreating an oil to be treated containing an oxygen-containing hydrocarbon compound derived from an animal or vegetable oils and fat and a sulfur-containing hydrocarbon compound and then hydroisomerizing the resultant hydrotreated oil, wherein a yield of a fraction having a boiling range of 140 to 300° C. is 70 mass % or more; an isoparaffin content is 80 mass % or more; a content of isoparaffin having 2 or more branches is 17 mass % or more; an aromatic content is less than 0.1 vol %; an olefin content is less than 0.1 vol %; a sulfur content is less than 1 mass ppm; and an oxygen content is less than 0.1 mass %.

Abstract: A concatenated transmission system according to the embodiment generates OFDM signals, from unit transmission waves of broadcast transport streams for a plurality of systems, concatenates the OFDM signals for the respective systems. To generate OFDM signals, the system arranges pilot signals, each having a specific phase, at prescribed positions in the frames, respectively. The system displaces the OFDM signals so that the pilot signal for any unit transmission wave may be identical in position and phase to the pilot signals for the two adjacent unit transmission waves having lower and higher frequencies, respectively.

Abstract: A semiconductor element including an organic semiconductor layer and a layer disposed on the upper surface of the organic semiconductor layer, wherein the outline of the layer is inside the outline of the organic semiconductor layer.

Abstract: The method for manufacturing a hydrocarbon oil of the present invention comprises a first step wherein a plurality of reaction zones filled with a specific catalyst is disposed in series and a feedstock oil containing an oxygen-containing hydrocarbon compound derived from an animal or vegetable oil is supplied and hydrotreated under the conditions of a hydrogen pressure of 1 MPa or more and 10 MPa or less in each of the reaction zones; and a second step wherein hydrogen, hydrogen sulfide, carbon dioxide and water are removed from a product to be treated obtained in the first step to obtain a hydrocarbon oil. Among the plurality of reaction zones, the inlet temperature of the reaction zone disposed on the most upstream side is 150° C. or more and 250° C. or less, the inlet temperature of the second most upstream reaction zone or below is equal to or higher than the condensation temperature of water, and the outlet temperature of the reaction zone disposed on the most downstream side is 260° C.

Abstract: A rotor oscillation preventing structure for a steam turbine includes: a stator vane 3; a moving blade 1; a shroud cover 2 installed on an outer circumferential side distal end of the moving blade 1; and a plurality of seal fins 6 installed, at any interval in the axial direction of a rotor, on an wall surface of a stationary body located on an outer circumferential side of the shroud cover 2, a whirl preventing structure comprised of whirl preventing plates 9 or whirl preventing grooves 11 is provided at a shroud cover inlet return portion 10 of the shroud cover 2 so as to block the whirl flow of leakage flow 8 on an upstream side in an operating steam flow direction of the seal fins to reduce an absolute velocity component of the leakage flow 8 in a rotational direction of the rotor.

Abstract: A semiconductor element includes: an organic semiconductor layer; an electrode disposed on the organic semiconductor layer so as to be in contact with the organic semiconductor layer; and a wiring layer formed separately from the electrode and electrically connected to the electrode.

Abstract: A semiconductor device includes: a gate electrode; an organic semiconductor film forming a channel; and a pair of source-drain electrodes formed on the organic semiconductor film, the pair of source-drain electrodes each including a connection layer, a buffer layer, and a wiring layer that are laminated in order.

Abstract: A high-performance thin film transistor structure which is easily manufactured is provided. The thin film transistor structure includes: a first electrode; second and third electrodes apart from each other in a hierarchical level different from that of the first electrode; first, second, and third wirings connected to the first, second, and third electrodes, respectively; a main stack body disposed so as to be opposed to the first electrode with an interlayer insulating layer in between, between the first electrode, and the second and third electrodes; and a sub stack body including an insulating layer and a semiconductor layer, disposed so as to be opposed to the first wiring with the interlayer insulating layer in between, between the first and second wirings in a position where the first and second wirings overlap and/or between the first and third wirings in a position where the first and third wirings overlap.

Abstract: An object of the present invention is to provide a solar heat steam cycle system capable of operating efficiently and stably in keeping with the status of collected or stored heat, and a control method for use with the system. The system includes a heat collector (1) which collects solar thermal energy, a thermal storage device (2) which stores the solar thermal energy collected by the heat collector, a feed water heater (3) which heats feed water, an evaporator (4) which evaporates the feed water supplied from the feed water heater, and a steam turbine (6) driven by steam generated by the evaporator. The system includes a control valve (31) which controls allocations of heating medium supplied from the thermal storage device to the evaporator and the feed water heater.

Abstract: A Fischer-Tropsch synthesis reaction catalyst includes a catalyst support containing a silica and zirconium oxide in an amount of 0.5 to 14% by mass based on the mass of the catalyst support, and cobalt metal and a cobalt oxide supported on the catalyst support in an amount equivalent to 10 to 40% by mass of tricobalt tetroxide based on the mass of the catalyst, wherein the degree of reduction of the cobalt atoms is within a range from 75 to 93%, and the amount of hydrogen gas adsorption per unit mass of the catalyst at 100° C. is within a range from 0.40 to 1.0 ml/g.

Abstract: A concatenated transmission system according to the embodiment generates OFDM signals, from unit transmission waves of broadcast transport streams for a plurality of systems, concatenates the OFDM signals for the respective systems. To generate OFDM signals, the system arranges pilot signals, each having a specific phase, at prescribed positions in the frames, respectively. The system displaces the OFDM signals so that the pilot signal for any unit transmission wave may be identical in position and phase to the pilot signals for the two adjacent unit transmission waves having lower and higher frequencies, respectively.

Abstract: A method for producing a semiconductor device includes the steps of forming an organic semiconductor layer on a substrate; forming a protective pattern on the organic semiconductor layer; and patterning the organic semiconductor layer by dissolving, in an organic solvent, or subliming the organic semiconductor layer using the protective pattern as a mask.

Abstract: A method for producing an activated Fischer-Tropsch synthesis catalyst comprising a hydrogen reduction step of subjecting a catalyst comprising 3 parts by mass to 50 parts by mass, as a metal atom, of a cobalt compound and/or a ruthenium compound, based on 100 parts by mass of a carrier containing a porous inorganic oxide, supported on the carrier, to reduction in a gas containing molecular hydrogen at a temperature of 300° C. to 600° C.; and a CO reduction step of subjecting the catalyst to reduction in a gas containing carbon monoxide and containing no molecular hydrogen at a temperature of 200° C. to 400° C.

Abstract: A method for producing a regenerated Fischer-Tropsch synthesis catalyst obtained by regenerating a spent catalyst used in a Fischer-Tropsch synthesis reaction, comprising a steaming step of bringing the above spent catalyst into contact with a mixed gas comprising 1 to 30% by volume of steam and an inert gas at a pressure of atmospheric pressure to 5 MPa and a temperature of 150 to 350° C., the above spent catalyst being a spent catalyst in which cobalt and/or ruthenium is supported on a carrier comprising silica with an average pore diameter measured by a nitrogen adsorption method of 4 to 25 nm, and of which activity represented by an initial carbon monoxide conversion is 40 to 95%, based on the activity of a corresponding unused catalyst.

Abstract: A method for manufacturing a hydrocarbon oil, comprising: a first step wherein a feedstock oil containing an oxygen-containing organic compound and a water-insoluble chlorine-containing compound is brought into contact with a hydrogenation catalyst comprising a support containing a porous inorganic oxide and one or more metals selected from Group VIA and Group VIII of the periodic table supported on the support in the presence of hydrogen to generate a hydrocarbon oil and water in a vapor state by the hydrodeoxygenation of an oxygen-containing organic compound and convert the water-insoluble chlorine-containing compound into a water-soluble chlorine-containing compound; a second step wherein the water in the reaction product of the first step is maintained in a vapor state and the reaction product of the first step is brought into contact with a nitrogen-containing Brønsted base compound which has a boiling point at normal pressure of 100° C.

Abstract: A high-performance thin film transistor structure which is easily manufactured is provided. The thin film transistor structure includes: a first electrode; second and third electrodes apart from each other in a hierarchical level different from that of the first electrode; first, second, and third wirings connected to the first, second, and third electrodes, respectively; a main stack body disposed so as to be opposed to the first electrode with an interlayer insulating layer in between, between the first electrode, and the second and third electrodes; and a sub stack body including an insulating layer and a semiconductor layer, disposed so as to be opposed to the first wiring with the interlayer insulating layer in between, between the first and second wirings in a position where the first and second wirings overlap and/or between the first and third wirings in a position where the first and third wirings overlap.