Abstract: A method for manufacturing a gas diffusion layer for a fuel cell wherein carbon nanotubes are impregnated into Korean paper, thereby enhancing electroconductivity, and a gas diffusion layer manufactured thereby. The method for manufacturing a gas diffusion layer for a fuel cell which is to manufacture a gas diffusion layer as a constituent member of a unit cell in a fuel cell, includes a support preparation step of preparing a support with Korean paper; a dispersion preparation step of dispersing a carbon substance in a solvent to form a dispersion, a coating step of coating the support with the dispersion, and a thermal treatment step of thermally treating the dispersion-coated support to fix the carbon substance to the support.

Abstract: Disclosed herein are a method and apparatus for converting a credential data schema.

Abstract: Disclosed herein is a method for user-centered visitor access management, which may include issuing, by a management office server, a digital certificate to a householder terminal; registering, by a wall-pad, a householder in response to a request to register the householder based on the digital certificate; requesting, by the householder terminal, the management office server to register a visitor based on a visit request from a visitor terminal and delegating the digital certificate to the visitor terminal; making an entry request to a management terminal based on the digital certificate; verifying, by the wall-pad, the digital certificate based on a request for verification for entry from a wall-pad management terminal and providing a verification result to the wall-pad management terminal when the management terminal is the wall-pad management terminal; and managing and controlling, by the wall-pad, permission to use home devices based on delegated permission information of the digital certificate.

Abstract: The present invention relates to a highly scratch resistant one-part clear coating composition comprising a silane-modified blocked isocyanate for cars, in which a blocked isocyanate curing system comprising a silane functional group is applied besides an acrylic melamine-curing system used as a clear coat system for new cars unlike an acrylic-melamine curing clear coat used as a general clear coat for cars such that the formation of scratches on the surface of a car occurring during the automatic or manual car wash is minimized to maintain initial gloss for as long as possible, thereby maintaining the intrinsic color of the car as well as increasing a degree of consumer's satisfaction with the outer appearance of the car.

Abstract: The present invention relates to a weldable pre-primed coating composition, comprising binder resins, a crosslinker, an anti-corrosive pigment, conductive metal powder, carbon nanotubes, etc. The coating composition can be applied to a metal sheet before processing of the metal sheet to maximize the weldability, adhesion, corrosion resistance and processability of the metal sheet. Also, the coating composition can be applied to a metal sheet by a roll coating process to make it possible to eliminate not only an existing electrodeposition process which is carried out by a non-environmentally-friendly wet dipping process, but also an existing electrostatic spray primer coating process which is carried out by an electrostatic spray coating process in which a solvent is scattered, whereby the metal sheet coated with the coating composition has very excellent formability and weldability after its processing.

Abstract: The present invention relates to a one-part dual curing clear coating composition comprising acrylic modified acrylate for cars, the composition containing an acrylic oligomer resin and a melamine resin as main components, and to a dual curing process utilizing the clear coating composition, the process comprising applying the clear coating composition to a substrate to form a coated film and curing the coated film by UV light and heat. According to the present invention, the clear coating composition increases dual coating workability, improves the appearance and mechanical properties of the coated film and is environmentally friendly, because it contains a small amount of a solvent so as to inhibit the emission of volatile organic compounds. In addition, the dual curing process has advantages in that energy consumption and the emission of volatile organic components are reduced compared to existing processes.

Abstract: The present invention relates to a pole transformer load monitoring system using a wireless Internet network. The load monitoring system is capable of measuring, in real time, a variety of load parameters (phase voltages, phase currents and temperatures) of a pole transformer placed on a distribution line. The results of the measurements are transferred to an operator in a branch operating station over the wireless Internet network so as to prevent losses resulting from overloaded and unbalanced states, thereby enhancing the quality of power supply and efficiently managing a distribution load.

Abstract: Disclosed herein is a probe for measuring voltage/current of a low voltage power distribution cable. A probe has a body having a first opening and a first recess and made of an insulating material. A lower core is inserted into the first recess of the body, and a coil is wound around an insulating material installed at the lower core for detecting an induction current. A capacitor and a resistor are connected between output lines extended from the coil so as to filter out noise components, and a ground line is electrically connected to one end of the lower core. A voltage detection terminal is electrically connected to the low voltage power distribution cable for detecting voltage applied to the low voltage power distribution cable. A voltage output line is used for outputting the detected voltage. A connector is connected to output sides of the output lines extended from the coil, the ground line and the voltage output line.

Abstract: Disclosed herein is a probe for measuring voltage/current of a low voltage power distribution cable. A probe has a body having a first opening and a first recess and made of an insulating material. A lower core is inserted into the first recess of the body, and a coil is wound around an insulating material installed at the lower core for detecting an induction current. A capacitor and a resistor are connected between output lines extended from the coil so as to filter out noise components, and a ground line is electrically connected to one end of the lower core. A voltage detection terminal is electrically connected to the low voltage power distribution cable for detecting voltage applied to the low voltage power distribution cable. A voltage output line is used for outputting the detected voltage. A connector is connected to output sides of the output lines extended from the coil, the ground line and the voltage output line.

Abstract: A pole transformer load monitoring system using a wireless Internet network.