Abstract: The present invention relates to a security device comprising a colloidal crystal which exhibits excellent visibility and is also easily manufactured. The security device, according to the present invention, comprises: a substrate; a groove part formed on the substrate; a colloidal crystal positioned in the groove part; and an aging film. The security device, according to the present invention, exhibits excellent security and visibility, and thus may be used for securities, credit cards, security cards, anti-forgery products, etc.

Abstract: Provided is an apparatus for generating direct current using continuous polarization change of piezoelectric materials. For example, a piezoelectric direct current generator includes a first electrode, a polarized piezoelectric material layer disposed on a first surface of the first electrode, and a second electrode disposed on a surface opposite to the first electrode and coupled to move along the piezoelectric material layer while pressing the piezoelectric material layer.

Abstract: The present disclosure relates to a bill of material (BM) automatic calculation method for plant stationary equipment, and more particularly, to a BM automatic calculation method for plant stationary equipment capable of automatically calculating BM data for purchasing a plate required quantity required for manufacturing stationary equipment through cutting plan and optimization deployment in order to manufacture stationary equipment using data extracted from a strength calculation program of the plant stationary equipment prepared in a plant engineering step. The present disclosure has an advantage of greatly reducing the labor force by automatically calculating the cutting plan drawing, the nesting plan drawing, and required BM of the plate of the stationary machine which has been manually performed in the related art.

Abstract: An embodiment contact combustion type hydrogen sensor includes a substrate including silicon, lamination layers disposed over a top surface of the substrate and including a first thin oxide layer and a first thin nitride layer, a heater over the lamination layers, the heater including a connecting part electrically connected to a predetermined part and a heating part configured to be heated in response to power being applied, insulating layers covering a top surface of the heater and configured to perform an insulating operation, the insulating layers including a second thin oxide layer and a second thin nitride layer, a platinum catalyst over the insulating layers and configured to be heated by the heater to perform a hydrogen reaction, and a slit outside the heating part and passing through the substrate and the lamination layers.

Abstract: The present invention provides a method for preventing or treating a liver disease selected from the group consisting of non-alcoholic fatty liver, non-alcoholic steatohepatitis and hepatic fibrosis comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide, and an expression vector comprising the polynucleotide.

Abstract: A particulate matter sensing device includes an inlet through which air is introduced, a particle classifying unit classifying particles included in air introduced through the inlet, a corona discharging unit electrifying the particles passing through the particle classifying unit, and a sensing unit collecting the particles electrified by the corona discharging unit, in which the sensing unit includes an electrode having a plurality of intervals to collect the particles electrified by the sensing unit, and a control unit determining whether fine particles are detected, based on a result of monitoring an output signal change of the electrode.

Abstract: A photonic crystal film, a method for manufacturing the photonic crystal film, and an anti-forgery article comprising the photonic crystal film are disclosed. The photonic crystal film includes a polyurethane-based polymer matrix and colloidal particles dispersed in the polyurethane-based polymer matrix and arranged in a crystal lattice structure. The colloidal particles includes one or more selected from metal nanoparticles, metal oxide nanoparticles, organic nanoparticles, and carbon structure nanoparticles.

Abstract: A method can be used for manufacturing an ethylene-propylene-diene terpolymer for a fuel cell. A polymerization step includes subjecting an organic chelate compound forming a coordinate bond, a vanadium-based Ziegler-Natta catalyst, an organoaluminum compound, and ethylene, propylene, and diene monomers, together with a solvent, to polymerization in a reactor. A separation step includes recovering residual catalysts and unreacted monomers from the stream discharged from the reactor. An acquisition step includes recovering the solvent from the stream deprived of the residual catalysts and unreacted monomers to acquire the ethylene-propylene-diene terpolymer.

Abstract: The present invention provides a method for preventing or treating liver cancer in a subject comprising administrating at least one selected from the group consisting of an Ssu72 peptide, a polynucleotide encoding the Ssu72 peptide and an expression vector containing the polynucleotide to the subject.

Abstract: Disclosed is a rehabilitation training apparatus. The rehabilitation training apparatus includes a pair of first tracks formed parallel to each other along first axis, a second track disposed on the pair of first tracks, and moving along the first axis, and formed along second axis, a hand holder disposed on the second track, and moving along the second track, and on which at least one of hand and arm of a user is held, a stopper for a track disposed on the pair of first tracks for limiting a movement range of the second track, and a stopper for a holder disposed on the second track for limiting a movement range of the second pair of first tracks, wherein the first axis and the second axis are disposed with an inclination.

Abstract: A vehicle navigation apparatus is provided. The apparatus includes a vehicle sensor positioned in a front or a rear of a vehicle, the vehicle sensor configured to recognize surrounding information and road information of the vehicle, and a processor configured to identify destination information requested by a user of the vehicle, identify location information of the vehicle through the vehicle sensor, identify the recognized surrounding information and the recognized road information of the vehicle, and identify information about a route according to the identified destination information by controlling the vehicle to identify information about a bus station within a range specified based on the location information of the vehicle and bus information, calculating a degree of congestion of the route, and displaying the calculated degree of congestion through a display device.

Abstract: The present embodiment relates to a camera device comprising: a holder having a groove formed on an upper surface thereof; a lens holder coupled to the holder; a variable lens part disposed in the lens holder; a holder terminal disposed on the holder; a first connection terminal coupled to the variable lens part; and a conductive member disposed in the groove, wherein a portion of the first connection terminal extends to the outside of the variable lens part and is electrically connected by means of the holder terminal and the conductive member.

Abstract: The present invention discloses a load collecting device comprising: a case having an input port formed on one side thereof into which a load is put; a collecting unit disposed inside the case, and having an open top and an accommodation space which accommodates the load; an input unit arranged adjacent to the input port in the case, selectively rotating to open the input port, and transferring the load to the collecting unit; a pressing unit disposed on the top of the collecting unit, and of which at least a part of selectively lowers to pressurize the load accommodated in the collecting unit; and a sensing control unit sensing a load amount of the load accommodated in the collecting unit and controlling the pressing unit so as to selectively press the load.

Abstract: A comment processing method may include specifying a desired section in content that includes at least one of a text and an image in response to a selection of a user, and registering a comment input from the user to the specified section; and highlighting the section to which the comment is registered in the content, and displaying at least one comment among comments registered to the highlighted section at a point in time at which the highlighted section is displayed on a screen area.

Abstract: A method can be used for manufacturing an ethylene-propylene-diene terpolymer for a fuel cell. A polymerization step includes subjecting an organic chelate compound forming a coordinate bond, a vanadium-based Ziegler-Natta catalyst, an organoaluminum compound, and ethylene, propylene, and diene monomers, together with a solvent, to polymerization in a reactor. A separation step includes recovering residual catalysts and unreacted monomers from the stream discharged from the reactor. An acquisition step includes recovering the solvent from the stream deprived of the residual catalysts and unreacted monomers to acquire the ethylene-propylene-diene terpolymer.

Abstract: An embodiment of the present disclosure is a virtual home service apparatus including, a communicator, a home information collector for obtaining a design drawing of the home, and obtaining a 3D drawing by converting the design drawing, a home appliance identifier for obtaining an internal image and SLAM information of the home, and identifying the location and state of the home appliance based on the internal image and the SLAM information, and a virtual home implementator for generating virtual home information by reflecting the location and state of the home appliance to the 3D drawing. One or more among an autonomous driving vehicle, a user terminal, and a server according to an embodiment of the present disclosure may be associated with or converged with an Artificial Intelligence module, an Unmanned Aerial Vehicle (UAV), a robot, an Augmented Reality (AR) apparatus, a Virtual Reality (VR), 5G service-related apparatus, etc.

Abstract: A comment processing method may include specifying, using at least one processor, a desired section in a video in response to a selection of a user, registering, using the at least one processor, a first comment input from the user to the specified section with a server by causing the server to associate the first comment of a plurality of comments with the specified section of a plurality of sections of the video, and outputting, using the at least one processor, at least one comment among the plurality of comments registered to at least one corresponding section among the plurality of sections to a display at a point in time at which the at least one corresponding section is played.