Abstract: A meeting support system includes a communication unit capable of communicating with a first communication terminal and a second communication terminal, and a controller configured to generate support information to be sent to the first communication terminal before the first communication terminal arrives at the destination. The controller acquires position information of the first and communication terminals, calculates first and second movement progresses based on the acquired position information of the first and second communication terminals, calculates a difference between the first and second movement progresses, generates the support information and sends the generated support information to the first communication terminal. The support information includes the calculated difference and at least one of the progresses.

Abstract: The fuel cell system according to one embodiment of the present invention includes the solid oxide fuel cell configured to generate power by receiving the supply of the cathode gas and the anode gas. The fuel cell system includes a discharging passage configured to discharge the cathode off-gas and the anode off-gas discharged by the fuel cell as discharged gas to the outside, a discharged-gas temperature detection unit configured to detect or estimate the temperature of the discharged gas discharged from the discharging passage, an air supplying unit configured to supply air to the discharging passage, and the control unit configured to control the air supply to be executed by an air supplying unit on the basis of the detected or estimated temperature.

Abstract: The fuel cell system according to one embodiment of the present invention includes the solid oxide fuel cell configured to generate power by receiving the supply of the cathode gas and the anode gas. The fuel cell system includes a discharging passage configured to discharge the cathode off-gas and the anode off-gas discharged by the fuel cell as discharged gas to the outside, a discharged-gas temperature detection unit configured to detect or estimate the temperature of the discharged gas discharged from the discharging passage, an air supplying unit configured to supply air to the discharging passage, and the control unit configured to control the air supply to be executed by an air supplying unit on the basis of the detected or estimated temperature.

Abstract: A control device for fuel cell includes, comprising a compressor configured to supply cathode gas to a fuel cell, a driving device including at least two compressor driving sources including a drive motor and a driving body using a power source other than the drive motor, the driving device configured to drive the compressor by the driving sources; and a control unit. The control unit configured to control a state of the power source on the basis of an operating state of the fuel cell, and the control unit selects the driving source to be used out of the compressor driving sources on the basis of the state of the power source.

Abstract: The present invention includes a fuel cell mounted on a vehicle to generate electric power using oxidation gas and fuel gas being supplied thereto; an oil temperature sensor configured to detect oil temperature of a compressor; and a controller configured to control driving of the compressor, and also control pressure of the oxidation gas and pressure of the fuel gas being supplied to the fuel cell. The controller performs a control of decreasing rotational speed of the compressor when the oil temperature has exceeded an oil temperature threshold, and further performs a control of balancing the pressure of the oxidation gas and the pressure of the fuel gas. Therefore, it becomes possible to stably operate the fuel cell.

Abstract: The present invention includes a fuel cell mounted on a vehicle to generate electric power using oxidation gas and fuel gas being supplied thereto; an oil temperature sensor configured to detect oil temperature of a compressor; and a controller configured to control driving of the compressor, and also control pressure of the oxidation gas and pressure of the fuel gas being supplied to the fuel cell. The controller performs a control of decreasing rotational speed of the compressor when the oil temperature has exceeded an oil temperature threshold, and further performs a control of balancing the pressure of the oxidation gas and the pressure of the fuel gas. Therefore, it becomes possible to stably operate the fuel cell.

Abstract: A fuel cell system includes a fuel cell for generating electrical power upon being supplied with anode gas and cathode gas. The fuel cell system includes a wetness control state determination unit that determines whether or not a wetness control of controlling a degree of wetness of an electrolyte membrane of the fuel cell is normally executed, a combined capacitance calculation unit that calculates a combined capacitance of the fuel cell, and an anode gas concentration control unit that determines the occurrence of decrease in an anode gas concentration in the fuel cell or executes a control for increasing the anode gas concentration if the combined capacitance of the fuel cell is smaller than a predetermined value when the wetness control is determined to be normally executed.

Abstract: A fuel cell system includes a compressor configured to supply cathode gas to a fuel cell, and a driving device including at least a drive motor and a driving body using a power source other than the drive motor and configured to drive the compressor, and an energy source of the fuel cell system is used as the power source of the driving body.

Abstract: A control device for fuel cell includes, comprising a compressor configured to supply cathode gas to a fuel cell, a driving device including at least two compressor driving sources including a drive motor and a driving body using a power source other than the drive motor, the driving device configured to drive the compressor by the driving sources; and a control unit. The control unit configured to control a state of the power source on the basis of an operating state of the fuel cell, and the control unit selects the driving source to be used out of the compressor driving sources on the basis of the state of the power source.

Abstract: A fuel cell system includes a fuel cell for generating electrical power upon being supplied with anode gas and cathode gas. The fuel cell system includes a wetness control state determination unit that determines whether or not a wetness control of controlling a degree of wetness of an electrolyte membrane of the fuel cell is normally executed, a combined capacitance calculation unit that calculates a combined capacitance of the fuel cell, and an anode gas concentration control unit that determines the occurrence of decrease in an anode gas concentration in the fuel cell or executes a control for increasing the anode gas concentration if the combined capacitance of the fuel cell is smaller than a predetermined value when the wetness control is determined to be normally executed.

Abstract: To provide a surfactant composition with an excellent foamability and thickening performance and further an excellent storage stability, it comprises the following components (a) and (b): (a) at least one anionic surfactant selected from (1) sulfonate-type anionic surfactants having amide group or ester group, (2) carboxylate-type anionic surfactants and (3) phosphate-type anionic surfactants and (b) a compound expressed by the formula (I): where R1CO— is an acyl group having 6 to 24 carbon atoms, R2 is an alkyl group having 1 to 3 carbon atoms and R3 is an alkylene group having 1 to 6 carbon atoms or an alkenylene group having 2 to 6 carbon atoms.

Abstract: To provide a surfactant composition with an excellent foamability and thickening performance and further an excellent storage stability, it comprises the following components (a) and (b):

Abstract: To provide processes suitable for industrial production by which high-purity N-(long-chain acyl)amino acid and salt thereof can be prepared from inexpensive raw materials.An alkyl ester of a fatty acid (2) is reacted with an aminonitrile (3) in the presence of a basic catalyst to form an amidonitrile (1), the amidonitrile (1) is hydrolyzed into an N-(long-chain acyl)amino acid salt (4) in the presence of a basic substance, the pH of the resulting aqueous solution is adjusted to a pH from 1 to 5 with a mineral acid to form an N-(long-chain acyl)amino acid (5), and this amino acid is recovered. ##STR1## wherein R.sup.1 CO-- represents a fatty acid residue having 8 to 22 carbon atoms; R.sup.2 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms; R.sup.3 represents an alkylene group having 1 to 5 carbon atoms; R.sup.4 represents an alkyl group having 1 to 4 carbon atoms; and M represents a monovalent cation.

Abstract: A bleaching composition comprises (a) hydrogen or a peroxide to produce hydrogen peroxide in its aqueous solution and (b) an organic peracid precursor having the formula (I) in which a quaternary ammonium is connected with an alkyl through an ether, an amide or an ester.

Abstract: A bleaching composition comprises (a) hydrogen or a peroxide to produce hydrogen peroxide in its aqueous solution and (b) an organic peracid precusor having the formula (I) in which a quaternary ammonium is connected with an alkyl through an ether, an amide or an ester.