Abstract: The present invention relates to a fault diagnosis for a photovoltaic system. A fault diagnosis apparatus includes a temperature sensor unit measuring both an internal temperature value of the junction box and a surface temperature value of the solar module; a voltage sensor provided in the junction box; and an operation unit determining where a fault occurs among the solar module, an inside of the junction box, and the inverter by comparing measured values of the temperature sensor unit with a measured value of the voltage sensor. According to the present invention, initial investment cost is inexpensive. In addition, it is possible to detect solar module faults that are difficult to be checked by the naked eye.

Abstract: A droplet producing device includes an outer tube; and an inner tube that is arranged inside the outer tube and feeds a droplet raw material, in which an inner tube discharge port opens to an inner tube tip portion formed on a downstream in a fluid feed direction, an outer tube discharge port opens to an outer tube tip portion formed on the downstream in the fluid feed direction, and in which a gap is formed between the outer tube and the inner tube.

Abstract: The invention provides a sulfur doping method for graphene, which comprises the steps of: 1) providing graphene and placing the grapheme in a chemical vapor deposition reaction chamber; 2) employing an inert gas to perform ventilation and exhaust treatment in the reaction chamber; 3) introducing a sulfur source gas to perform sulfur doping on the graphene at 500-1050° C.; and 4) cooling the reaction chamber in a hydrogen and inert gas atmosphere. The present invention can perform sulfur doping on the graphene simply and efficiently, the economic cost is low, and large-scale production can be realized. Large area sulfur doping on graphene can be realized, and doping of graphene on an insulating substrate or metal substrate can be carried out directly.

Abstract: Provided are a clustering method using broadcast content and broadcast related data and a user terminal to perform the method, the clustering method including creating a story graph with respect to each of a plurality of scenes associated with broadcast content based on the broadcast content and broadcast related data, and creating a cluster of a scene based on the created story graph.

Abstract: According to embodiments of the disclosure, a thermal needle probe is provided. The thermal needle probe may include a heater, a cooler, a temperature measuring element, a heat conduction element and a processor. The heater is configured to heat an object. The cooler is configured to cool the object. The temperature measuring element is configured to measure a temperature raising curve of the object and a temperature dropping curve of the object. The heat conduction element is configured to conduct heat between the heater and the object. The processor is configured to determine a thermal property of the object according to at least one of the temperature raising curve and the temperature dropping curve.

Abstract: The present disclosure relates to a composition which comprises Centipede minima as an active ingredient. The composition of the present disclosure exhibits an effect of protecting neuronal cells from oxidative stress and inhibiting apoptosis of neuronal cells. In addition, the composition can increase expression of antioxidant enzymes which inhibit cellular apoptosis caused by increased oxidative stress in cells. Accordingly, the composition of the present disclosure can exhibit an effect of preventing, improving or treating secondary diseases that may be caused by apoptosis of neuronal cells due to oxidative stress and can be used as a pharmaceutical or food composition.

Abstract: According to the present disclosure, there is provided a piezocapacitive type pressure sensor including a first electrode layer, a second electrode layer spaced apart from the first electrode layer, and a dielectric layer formed between the first electrode layer and the second electrode layer, wherein the dielectric layer is made of a porous elastomer.

Abstract: An on-chip optical filter having Fabri-Perot resonators and a spectrometer may include a first sub-wavelength grating (SWG) reflecting layer and a second SWG reflecting layer facing each other. A plurality of Fabri-Perot resonators are formed by the first SWG reflecting layer and the second SWG reflecting layer facing each other. Each of the Fabri-Perot resonators may transmit light corresponding to a resonance wavelength of the Fabri-Perot resonator. The resonance wavelengths of the Fabri-Perot resonators may be determined according to duty cycles of grating patterns.

Abstract: Provided is a carbon nanostructure including a plurality of organic molecules that are decomposition products of an organic solvent. The carbon nanostructure includes a carbon nanostructure core and a plurality of organic molecules bound to and grown on the carbon nanostructure core, wherein the carbon nanostructure core is a combination of the organic molecules.

Abstract: A method and an apparatus for interpolating a video frame are provided. The method and apparatus receive supplemental information associated with segments of a frame of an original video divided into a plurality of areas, estimate a motion vector between first and second frame segments by using the supplemental information, and interpolate a third frame segment between the first and second frame segments based on one of the first and second frame segments and the estimated motion vector.

Abstract: An apparatus for coating a film in a container and a method for coating a film are provided. The apparatus includes a cylindrical housing having a containing space penetrating through both ends thereof; a first arc-shaped electrode and a second arc-shaped electrode surrounding and covering an outer side of the cylindrical housing with a gap formed between the first and second arc-shaped electrodes such that the first arc-shaped electrode is free from electrically connected to the second arc-shaped electrode; a first conductive ring and a second conductive ring surrounding on the first and second arc-shaped electrodes, respectively; an upper supporting seat and a lower supporting seat disposed at the both ends of the cylindrical housing, respectively, to form a sealed environment for the containing space; and a valve component furnished at the upper supporting seat and inserted into the container for providing a processing gas in a film-coating process.

Abstract: The present disclosure relates to an imaging apparatus and a method for operating the same, and more particularly, to a high-speed lens moving technique capable of effective multi-view angle and multi-focus images for a short period of time and an image photographing and sorting technique according the high-speed lens moving technique. Accordingly, the movement of lenses is performed using a new technique without applying the existing slow lens moving technique performed using a motor, etc., so that it is possible to acquire multi-view angle and multi-focus images using one imaging apparatus for a short period of time.

Abstract: Disclosed is an apparatus and method for tagging a topic to content. The apparatus may include an unstructured data-based topic generator configured to generate a topic model including an unstructured data-based topic based on content and unstructured data, a viewer group analyzer configured to analyze a characteristic of a viewer group including a viewer of the content based on a social network of the viewer and viewing situation information of the viewer, a multifaceted topic generator configured to generate a multifaceted topic based on the topic model and the characteristic of the viewer group, a content divider configured to divide the content into a plurality of scenes, and a tagger configured to tag the multifaceted topic to the scenes.

Abstract: A communication device, a communication and associated communication method are provided. The communication device is placed at a first moving device and the communication device includes a movement detection module, a transmitter, and a controller. The movement detecting module detects movement of the first moving device to obtain at least one first movement parameter at a first time point, and detects the movement of the first moving device to obtain at least one second movement parameter at a second time point latter than the first time point. The transmitter transmits the at least one first movement parameter. By estimating position of the first moving device at the second time point, the controller obtains an estimated internal movement parameter. The controller controls the transmitter to transmit the at least one second movement parameter selectively according to the estimated internal movement parameter and the at least one second movement parameter.

Abstract: Disclosed is a network service control device and method in an environment in which a Software Defined Network (SDN) and a legacy network are connected to each other. The network service control device according to the present invention includes: a first network acquisition unit for acquiring first network information corresponding to the SDN; a second network information acquisition unit for acquiring second network information corresponding to the legacy network; a control message creation unit for creating a service control message for controlling a service of the network environment in which the SDN and the legacy network are connected to each other, based on at least one of the first network information and the second network information; and a service control unit for controlling the service of the network environment by transmitting the service control message to at least one network switch module included in the network environment.

Abstract: Provided is a selective catalytic reduction (SCR) catalyst containing a carbon material loaded with vanadium and tungsten and a method of preparing the same, and relates to a method of loading vanadium and tungsten on a carbon material that exhibits excellent abrasion resistance and excellent strength and can be easily prepared.

Abstract: Disclosed is an apparatus for measuring electrocardiogram (ECG) using wireless communication, including a first measuring device and a second measuring device connected to each other using wireless communication, wherein the first measuring device includes a first electrode configured to measure a first signal generated by a heartbeat, and a slave signal generation unit configured to generate a slave signal based on the first signal and a wireless virtual ground signal received from the second measuring device, and the second measuring device includes a second electrode configured to measure a second signal generated by a heartbeat, a ground electrode configured to measure a ground signal, a wireless virtual ground unit configured to generate the wireless virtual ground signal based on the ground signal, and an ECG measuring unit configured to measure ECG based on the slave signal, the second signal, and the wireless virtual ground signal.

Abstract: Disclosed is a catalyst filter, which includes a catalyst support and a nano metallic catalyst sprayed to a surface of the catalyst support. The catalyst filter uses catalyst slurry prepared by using a particulate catalyst, in which a small amount of nano metallic catalyst exhibiting a catalyst performance is sprayed to a surface of the catalyst support, different from an existing patent technique in which catalyst particles are formed and prepared as a support to consume a large amount of catalyst. Therefore, the specific surface area of the catalyst filter is not smaller than the specific surface area of the nano catalyst particles, and thus the catalyst filter may effectively remove and decompose ultra-low concentration gas-state contaminants in an indoor air.

Abstract: A surface measurement device includes a rotating platform, a motion lever, a measuring module and a control module. The rotating platform rotates an object at a rotating speed. The motion lever is above the rotating platform. The measuring module moves to a variety of measuring positions on the motion lever. When the measuring module is at one of the measuring positions, the measuring module measures the heights of a plurality of sampling points on the surface of the object in a sampling frequency. The control module selectively modifies the rotating speed of the rotating platform or the sampling frequency of the measuring module according to the measuring position of the measuring module to make the distance between the sampling points in at least a region of the surface of the object match a sampling rule.

Abstract: Devices and processes for performing shear-assisted extrusion include a rotatable extrusion die with a scroll face configured to draw plasticized material from an outer edge of a billet generally perpendicularly toward an extrusion orifice while the extrusion die assembly simultaneously applies a rotational shear and axial extrusion force to the billet.