Abstract: The present specification discloses a membrane reactor comprising a reaction region; a permeate region; and a composite membrane disposed at a boundary of the reaction region and the permeate region, wherein the reaction region comprises a bed filled with a catalyst for dehydrogenation reaction, wherein the composite membrane comprises a support layer including a metal with a body-centered-cubic (BCC) crystal structure, and a catalyst layer including a palladium (Pd) or a palladium alloy formed onto the support layer, wherein ammonia (NH3) is supplied to the reaction region, the ammonia is converted into hydrogen (H2) by the dehydrogenation reaction in the presence of the catalyst for dehydrogenation reaction, and the hydrogen permeates the composite membrane and is emitted from the membrane reactor through the permeate region.

Abstract: A method for wrapping an FFC is provided. The method includes: a step of removing release paper from a shielding tape which includes the release paper and adhesive paper; a step of aligning an FFC on an adhesive surface of the adhesive paper from which the release paper is removed; and a preliminary bending step.

Abstract: A cooling control system includes: a fuel cell stack formed with a cooling flow path in which hydrogen and oxygen are received and reacted, respectively, and coolant flows between separators; a coolant circulation line connected with the cooling flow path of the fuel cell stack, and having the coolant flowing therein; a cooling pump connected to the coolant circulation line to circulate the coolant to cool the fuel cell stack; a heat generation amount estimator for estimating the heat generation amount of the fuel cell stack; a coolant estimator for estimating an amount of the coolant to cool the fuel cell stack based on the heat generation amount of the fuel cell stack; and a driving controller for controlling the operation of the cooling pump based on the estimated amount of the coolant.

Abstract: Proposed are a fuel cell system and a method of controlling the fuel cell system. The fuel cell system includes: a hydrogen supply unit connected to a hydrogen inlet side of a fuel cell stack, with a supply valve and a sensor being provided in the hydrogen supply unit; a hydrogen discharge unit connected to a hydrogen outlet side of the fuel cell stack, with a water trap and a purge valve being provided in the hydrogen discharge unit; and a controller configured to calculate an amount of hydrogen discharged through the purge valve from an amount of hydrogen supplied to the fuel cell stack and an amount of hydrogen consumed therein, and to perform compensation control of the supply valve when the amount of the discharged hydrogen is at or above a reference value.

Abstract: Provided are a method and system for correcting an offset of a hydrogen pressure sensor. The method includes constantly supplying the hydrogen to the fuel cell stack, determining whether an offset of the hydrogen pressure sensor needs to be corrected based on a stop time before the fuel cell stack starts and a magnitude of an output voltage of the fuel cell stack, calculating an offset correction value when the offset of the hydrogen pressure sensor needs to be corrected, and correcting the offset of the hydrogen pressure sensor and performing the starting of the fuel cell stack.

Abstract: A control system and method for preventing a fuel cell from overheating are disclosed. The system includes: a fuel cell that generates electric power through reaction of fuel gas and oxidation gas; a cooling line in which a cooling medium flows and performs heat exchange with the fuel cell; a cooling pump installed on the cooling line and configured to circulate the cooling medium through the cooling line; a cooling controller that controls an operating state of the cooling pump on the basis of the temperature of the fuel cell or the cooling medium; and a power generation controller that limits power generation of the fuel cell on the basis of the operating state of the cooling pump.

Abstract: Disclosed is a fluorescent probe specifically labeling mitochondria, which can exhibit high transmittance by virtue of light emission in the NIR range and in which nonspecific fluorescence absorption in biomolecules can be avoided, making it possible to observe fluorescence images in deep tissue.

Abstract: A fuel pump module which may be easily assembled and mounted in a flat bombe having a small height in an LPG vehicle, may have a structure in which a reservoir cup may be rotated and restored with respect to a plate by support bars and springs, so that the fuel pump module may be easily assembled and mounted even in a flat bombe having a small height. Furthermore, members for blocking noise and absorbing vibration are combined with a fuel pump, so noise and vibration may be reduced when the pump is operated.

Abstract: According to one embodiment of the present invention, there is provided a hydrogen extraction reactor, comprising a chamber including an inner space; a reaction unit which is provided to pass through the inside of the chamber and where an endothermic reaction for hydrogen extraction occurs; a heating unit which is provided to be spaced apart from the reaction unit inside the chamber and transfers heat to the inside of the chamber; and a heat transfer material which is provided between the reaction unit and the heating unit in the chamber, wherein the heat transfer material undergoes a phase transition between a gas phase and a liquid phase according to the entry and exit of heat from the heating unit or the reaction unit.

Abstract: A device for diagnosing a valve failure of a fuel cell system is capable of accurately and quickly determining whether an integrated valve in a fuel cell system is operated abnormally, and preventing problems caused by the operation abnormality of the integrated valve.

Abstract: A method for refining magnetic domains of a grain-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes: a step of preparing a grain-oriented electrical steel sheet; and a step of forming a groove by irradiating a quasi-continuous laser beam of which a duty is from 98.0 to 99.9% on a surface of the grain-oriented electrical steel sheet.

Abstract: A grain-orientation electrical steel sheet according to an exemplary embodiment of the present invention includes a linear groove formed in a direction intersecting with the rolling direction, the groove includes the gradient section and the uniform section on a cross section including the transverse direction of the groove and the rolling surface normal direction of the steel sheet, and a length of the gradient section (GS) and the length of the uniform section (US) satisfy Equation 1 below. 0.1?[GSL]/[USL]?0.5??[Equation 1] In Equation 1, [GSL] represents the length (mm) of the gradient section and [USL] represents the length (mm) of the uniform section.

Abstract: A method for refining a magnetic domain of a grain-oriented electrical steel strip is provided, including a steel strip supporting roll position adjusting step of controlling a position of the steel strip in a vertical direction while supporting the steel strip proceeding along a production line, a laser irradiating step of forming a groove on a surface of the steel strip by irradiating a laser beam onto the surface of the steel strip to melt the steel strip, and a detecting step of detecting a defect in the groove formed on the surface of the steel strip while the steel strip proceeds, so as to be able to detect whether the groove is defective by confirming a machining state of a magnetic domain refined groove formed on the surface of the steel strip in a working process.

Abstract: An alien substance removing apparatus according to one embodiment of the present invention may comprise: a hood unit provided adjacent to an electrical steel sheet and for collecting an alien substance generated in the electrical steel sheet by laser irradiation; and a scraping unit coupled to the hood unit and scraping and removing the alien substance attached to one surface of the hood unit facing the electrical steel sheet.

Abstract: A foreign substance collecting apparatus according to one embodiment of the present disclosure may comprise: a collection body unit formed with a suction port through which air including foreign substances flows in and a discharge port through which air removed of the foreign substances is discharged; and a mixing unit provided inside the collection body unit and disposed on a flow passage of the air, and forming a vortex in washing water contained therein by inducing a rotary flow of the air.

Abstract: The present disclosure relates to a peritoneal cavity-bladder connecting catheter for ascites drainage. The peritoneal cavity-bladder connecting catheter for ascites drainage includes a peritoneal cavity position part positioned on the side of a peritoneal cavity by passing through a bladder wall located between the peritoneal cavity and a bladder, the peritoneal cavity position part having inlets through which ascites flow into an inner space and being formed as a film that surrounds the inner space, and a bladder position part integrally formed with the peritoneal cavity position part and positioned on the side of the bladder located on the side of the bladder wall opposite to the peritoneal cavity, the bladder position part having outlets through ascites flowed into the peritoneal cavity position part are discharged to outside, and being configured to form a closed inner space together with the peritoneal cavity position part.

Abstract: An apparatus is provided for purging fuel evaporation gas in a fuel system. The apparatus increases an amount of fuel evaporation gas that is desorbed from a canister during driving of an engine, and thus prevents fuel evaporation gas adsorbed to the canister from being discharged to the atmosphere.

Abstract: An allophone inspection device and inspection method thereof are provided. An allophone inspection device includes an array microphone unit in which a plurality of array microphones are disposed at predetermined intervals, and a controller configured to build reference data by quantifying analyzed allophone by collecting sound signals generated from surrounding based on a position where the array microphone unit is installed in advance and measure a surrounding sound signal through the array microphone unit to estimate whether or not noise is generated and a position of the sound source where the noise is generated based on the reference data.

Abstract: A fuel cell temperature control apparatus includes: a driver propensity determination processor that determines a driver's propensity while a vehicle travels; a temperature control factor decision processor that determines a temperature control factor based on an ambient temperature and the driver's propensity to control the temperature of the fuel cell; and a storage that stores driver propensity determination information determined by the driver propensity determination processor.

Abstract: Disclosed is a camera module inspector of rotating type distributing a load of processing test raw data. In an exemplary embodiment, the camera module inspector of rotating type includes a rotary index table including a plurality of socket units, a plurality of testers arranged around the rotary index table, a plurality of test control processors connected to correspond to the plurality of socket units, respectively, to be fixed on the rotary index table, a network connection unit establishing network connections with respect to the plurality of test control processors, a redundancy check processor processing the test raw data faster than the test control processor, connected to the network connection unit and data controller test raw data requiring a great deal of processing time out of the test raw data generated in the plurality of test control processors to be transmitted to the redundancy check processor through the network connection unit.