Abstract: A method of measuring the critical current value of a superconducting wire comprises the step of measuring first to mth (m denotes an integer of at least 2) current values (I1, I2, . . . , Im) and first to mth voltage values (V1, V2, . . . , Vm) corresponding to the respective ones of the first to mth current values. The first current value I1 and the first voltage value V1 are measured by retaining the current fed from a constant current source to the superconducting wire in a state set to a first set value I1a for a constant time and thereafter measuring the current flowing through the superconducting wire and a voltage generated in the superconducting wire.

Abstract: A method of manufacturing a superconducting wire includes the step of drawing a wire formed by coating raw material powder for a superconductor with a metal, the step of first rolling a multifilamentary wire after the step of drawing, and the step of first sintering the multifilamentary wire 1 after the step of the first rolling. At least one of an interval between the step of drawing and the step of the first rolling and an interval between the step of the first rolling and the step of the first sintering is less than seven days. With this method, a superconducting wire having high and uniform performance can be obtained.

Abstract: The image forming apparatus includes: an image holder that is movably provided; a first image forming unit that forms a first image on the image holder; a second image forming unit that forms a second image on the image holder including the first image formed thereon; a transfer portion that transfers, onto a recording medium, the first image and the second image formed on the image holder; a supply unit that transports the recording medium and that supplies the recording medium to the transfer portion; an acquisition unit that acquires information on a position of displacement on the recording medium in a transport direction of the recording medium, the displacement occurring between the first image and the second image transferred onto the recording medium; and an adjustment unit that changes a supply speed of the recording medium at the supply unit on the basis of the information on the position.

Abstract: A vinyl-based polymer having a mass average molecular weight of 1500 to 10000, which is prepared by a first step of continuously feeding a material mixture containing a vinyl-based monomer to a continuous tank type first reactor, and polymerizing the vinyl-based monomer under the conditions of a polymerization temperature of 150° to 300° C. and a retention time of 1 to 60 minutes at a rate of polymerization of 50 to 99% to obtain a reaction intermediate mixture; and a second step of feeding a polymerization initiator in the amount of 0.01 to 5 parts by mass based on 100 parts by mass of the vinyl-based monomer and the reaction intermediate mixture to a second reactor, and further polymerizing the vinyl-based monomer under the conditions of a polymerization temperature of 100° to 200° C. and a retention time of 10 to 240 minutes at a rate of polymerization of 80% or more.

Abstract: A method of manufacturing a superconducting wire includes the step of drawing a wire formed by coating raw material powder for a superconductor with a metal or a wire with a multifilamentary structure, the step of sealing an end portion of a clad wire or a multifilamentary wire after the step of drawing, and the step of first rolling, rolling the multifilamentary wire after the step of sealing. With this method, a superconducting wire having high and uniform performance can be obtained.

Abstract: To provide a system that can reduce the power consumption of an air conditioner and the power consumption of a storage device.

Abstract: There are some cases where cracks occur at a plurality of areas on an external electrode when a displacement quantity of a laminated piezoelectric element is large. In such cases, there is a possibility of a voltage not being applied to a portion of the laminated structure due to the cracks caused by a long time drive to cause a reduction in the displacement quantity. A low rigidity layer is arranged on the laminated structure to form a plurality of portions divided by the low rigidity layer in a laminating direction. Each portion is provided with power feeding members on the anode side and the cathode side. Thus, a voltage can be stably supplied to each internal electrode.

Abstract: Provided is a method of joining members having different thermal expansion coefficients, capable of joining them at a temperature lower than the melting point of Ag to obtain a joining layer having excellent durability to a thermal cycle. First Ag particles 3 having an average particle diameter of 50 nm or less and an Ag foil 4 or metal foil 4 having a smaller modulus of longitudinal elasticity than that of Ag are placed between two types of members 1 and 2 at least one of which has a lower thermal expansion coefficient than that of Ag, heated to join the members 1 and 2.

Abstract: The present invention relates to a system and method for controlling air conditioning facilities, and a system and method for power management of a computer room. In an air-conditioning facility control system of a computer room (cooling room) equipped with air-conditioning facilities for air-cooling the computer room in which a large number of information processing units are installed, an air-conditioner monitoring and controlling unit calculates a temperature sensitivity coefficient of each information processing unit, and that of each air conditioner, and then determines discharge air temperature of each air conditioner by use of the temperature sensitivity coefficients in such a manner that the sum of squares of a deviation of a change in discharge air temperature of each information processing unit becomes the smallest, and in such a manner that the sum total of the power consumption of the individual air conditioners becomes the smallest.

Abstract: There are provided a projector which is capable of managing the temperature of the light source highly accurately, and a method of cooling the light source of a projector. The projector includes light source means 2 for emitting light for projecting an image, holding means 4 for holding air, holding means 4 including air discharging means 4b directed toward light source means 2, air pump means 3 for holding air in holding means 4 and compressing air in holding means 4, pressure detecting means 5 for detecting a pressure in holding means 4, and control means 7 for controlling operation of air pump means 3 based on the pressure detected by pressure detecting means 5.

Abstract: A power semiconductor module having an integral circuit board with a metal substrate electrode, an insulation substrate and a heat sink joined is disclosed. A SiC semiconductor power device is joined to a top of the metal substrate electrode of the circuit board. A difference in average coefficients of thermal expansion between constituent materials of the circuit board in a temperature range from room to joining time temperatures is 2.0 ppm/° C. or less, and a difference in expansion, produced by a difference between a lowest operating temperature and a joining temperature, of the circuit-board constituent materials is 2,000 ppm or less.

Abstract: A technique for determining task allocation for reducing power consumption of an entire system is disclosed. This system includes physical computers, a cooling apparatus for cooling the physical computers, and a power-saving control server for controlling the physical computers and cooling apparatus. The power-saving control server includes a virtual server layout generator which sets up a plurality of sets of task allocations with respect to the physical computers, a server power calculator for calculating power consumption of the physical computers in each task allocation, a physical computer profile used to estimate a heat release amount of the physical computers in each task allocation, a cooling power calculator which computes power consumption of the cooling apparatus, and a virtual server relocator which determines a task allocation with a total of calculated values of the server/cooling power calculators being minimized to be the optimum task allocation for the physical computers.

Abstract: The invention offers a method of producing a (Bi, Pb)-2223-based oxide superconducting material. The method is for producing a (Bi, Pb)2Sr2Ca2Cu3OZ-based oxide superconducting material. The method includes a material-mixing step for forming a mixed material and at least two heat treatment steps for heat-treating the mixed material. The at least two heat treatment steps has a first heat treatment step for forming (Bi, Pb)-2223 crystals and a second heat treatment step for increasing the Sr content of the (Bi, Pb)-2223 crystals after the (Bi, Pb)-2223 crystals are formed. The second heat treatment step is performed at a temperature lower than that employed in the first heat treatment step, so that the (Bi, Pb)-2223-based oxide superconducting material has a high critical temperature.

Abstract: Total power consumption of information-processing devices and power supply/cooling facilities is reduced to realize energy saving operation of information-processing system. The information-processing system includes information-processing devices, power supply facilities, cooling facilities and an operations management device. The operations management device is connected to the devices and the facilities and includes layout information constituted of locations and operating information of the devices and locations and environmental information of the facilities. Also, the operations management device obtains the power consumption of the devices, the power supply loss of the power supply facilities and the cooling power of the cooling facilities by using the layout information, and then allocates the workloads to the devices so as to reduce the total sum of power consumption, supply loss and cooling power.

Abstract: A method of manufacturing a superconducting wire includes the step of drawing a wire formed by coating raw material powder for a superconductor with a metal, the step of first rolling rolling a multifilamentary wire after the step of drawing, and the step of first sintering sintering the multifilamentary wire after the step of the first rolling. The method further includes the step of holding a clad wire, a multifilamentary wire, or a multifilamentary wire under a reduced-pressure atmosphere in at least one of an interval between the step of drawing and the step of the first rolling and an interval between the step of the first rolling and the step of the first sintering.

Abstract: An audio apparatus is provided that permits selection of either analog or digital audio signals in execution of a scan operation. A radio receiver 300 comprises a tuner 320 capable of receiving carrier wave signals including at least an analog audio signal and a digital audio signal, a microcomputer 380 for controlling the tuner to search for a receivable broadcast station in sequence, and to receive the carrier wave signal from the broadcast station searched for during a certain period of time, a switch 350 for selecting one audio signal from the analog audio signal and the digital audio signal sent from the tuner 320 during the scan operation, and a speaker 390 for reproducing the audio signal selected by the switch 350.

Abstract: A method of manufacturing an oxide superconducting wire according to the present invention comprises a step (S1, S2) of preparing a wire formed by covering raw material powder of an oxide superconductor with a metal (3) and a heat treatment step (S4, S6) of heat-treating the wire in a pressurized atmosphere having a total pressure of at least 1 MPa and less than 50 MPa in the heat treatment. At a heat-up time before the heat treatment in the heat treatment step (S4, S6), pressurization is started from a temperature reducing 0.2% yield strength of the metal (3) below the total pressure in the heat treatment. Thus, formation of voids between oxide superconducting crystals and blisters of the oxide superconducting wire is suppressed while the partial oxygen pressure can be readily controlled in the heat treatment, whereby the critical current density can be improved.

Abstract: It is an object to provide a cooling device for optimally cooling a semiconductor device on a CPU blade which is detachable with respect to an electronic apparatus using the cooling device with compact structure for reducing power consumption. A cooling device for cooling a semiconductor device disposed on an electronic circuit substrate in a casing of an electronic apparatus, comprising a first cooling unit comprising a first heat absorbing portion and a first heat releasing portion, and a second cooling unit comprising a second heat absorbing portion and a second heat releasing portion, wherein the first heat absorbing portion is disposed in contact with the semiconductor device, the second heat absorbing portion is detachably disposed in contact with the first heat releasing portion, a phase-change refrigerant is contained in the first cooling unit, and the second heat releasing portion is disposed outside the casing.

Abstract: The present invention is intended to measure a three-dimensional position of a tracking object snapped by a camera. The invention is based upon a measuring device using an image provided with an image data input part for inputting an image of a tracking object snapped by a camera and a tracking part for calculating a position of the tracking object and the tracking part moves a frame for extracting image data based upon the image, extracts image data included in the frame from the image in each moved position, counts the number of pixels having a hue feature based upon the extracted image data, determines the position of the frame in which the counted number of pixels is maximum for every hue feature and calculates the position of the tracking object based upon the determined position of the frame.

Abstract: Benzimidazole derivatives of the formula (I): wherein the ring A is a benzene ring which may optionally contain substitution in addition to the R? group; R1 is hydrogen or an optionally substituted hydrocarbon residue; R2 is a group capable of forming an anion or a group convertible thereinto; X is a direct bond or a spacer having an atomic length of two or less between the phenylene group and the phenyl group; R? is carboxyl, an ester thereof, an amide thereof or a group capable of forming an anion or convertible to an anion; Y is —O—, —S(O)m— or —N(R4)— wherein m is an integer of 0, 1 or 2 and R4 is hydrogen or an optionally substituted alkyl group; and n is an integer of 1 or 2; and the pharmaceutically acceptable salts thereof, have potent angiotensin II antagonistic activity and antihypertensive activity, thus being useful as therapeutic agents for treating circulatory system diseases such as hypertensive diseases, heart diseases (e.g. hypercardia, heart failure, cardiac infarction, etc.