Abstract: Disclosed is a method of controlling the operation of a fuel cell triple cogeneration system configured to supply power and cooling heat to a data center, the method including detecting change in a power load or a cooling heat load of the data center and adjusting electrical energy and cooling capacity of the fuel cell triple cogeneration system.

Abstract: An embodiment vehicle lower body includes a front lower body and a rear lower body spaced apart from each other in a longitudinal direction, each including multiple pipes and having wheels and a suspension mounted thereto, a pair of lower body main members each having a pipe shape and spaced apart from each other in a lateral direction, the pair of lower body main members connecting upper end sides of the front lower body and the rear lower body and extending in the longitudinal direction to define upper side members of the front lower body and the rear lower body, and a pair of lower body floor members each having a pipe shape and spaced apart from each other in the lateral direction, the pair of lower body floor members connecting lower end sides of the front lower body and the rear lower body.

Abstract: A refrigerator includes a cool air passage for guiding the flow of cool air to a freezing compartment and a cool air passage for guiding the flow of cool air to an ice-making compartment that partially share the cool air. Through the sharing of cool air, the amount of cool air supplied to the freezing compartment is increased and sufficient cool air is supplied to the refrigerating compartment. Accordingly, sufficient cool air is supplied to the refrigerating compartment, the freezing compartment, and the ice-making compartment even with a single evaporator.

Abstract: The present invention relates to a novel vaccine composition for coronavirus infection-19 comprising a polymer-based mRNA carrier. Specifically, the present invention provides a vaccine composition comprising an mRNA carrier using a novel polymer capable of delivering a negatively charged genetic material such as mRNA, and the vaccine composition has excellent effects of enhanced in vivo immune activity such as high antibody formation ability and increased interferon-gamma production.

Abstract: The present disclosure according to at least one embodiment provides a method of providing a multi-transmission path service on a cloud virtual network, the method being performed by a computing system.

Abstract: According to the disclosure, a display device includes a substrate including a display area and a non-display area, outer pixels positioned in the display area and positioned in a first direction from an edge of the substrate, dummy holes positioned in the non-display area and positioned between the edge of the substrate and the outer pixels, and a dummy line positioned in the non-display area and extending in a second direction different from the first direction between the dummy holes. The dummy line is positioned between a first insulating layer and a second insulating layer, and the dummy holes pass through the first insulating layer and the second insulating layer.

Abstract: Disclosed is a high-temperature polymer electrolyte membrane fuel cell, in which electrodes of the fuel cell include a polymer containing a phosphoric acid group and a binaphthyl group, thereby preventing phosphoric acid poisoning of a catalyst due to strong interaction with phosphoric acid and porosity and increasing electrochemical performance.

Abstract: Provided herein is a smoking article from which sound is generated. The smoking article according to some embodiments of the present disclosure may include a filter portion and a smoking material portion, and a sound-generating material including a carbohydrate material may be added to the smoking material portion. The sound-generating material may generate sound as the material burns, and the sound may further provide an auditory effect during smoking. In this way, an improved smoking experience may be provided to the smoker.

Abstract: A system for driving a digital side mirror for vehicles, includes a moving case accommodating a camera for photographing the area surrounding the rear and the sides of a vehicle which is mounted in a housing and in a guide pipe mounted to a vehicle panel to be movable forwards and backwards thereof, wherein the camera accommodated in the moving case is controlled to photograph the area surrounding the rear and the sides of the vehicle even when the moving case is moved backwards and received in the housing and the guide pipe, facilitating a user to easily monitor the area surrounding the rear and the sides before turning on the vehicle or after turning off the vehicle.

Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a first radiator disposed on the dielectric layer in a first direction, a second radiator formed in a shape different from that of the first radiator and disposed on the dielectric layer in a second direction, a first transmission line which extends in the first direction to be connected to the first radiator, and a second transmission line which extends in the second direction to be connected to the second radiator, and intersects the first transmission line with being physically or electrically spaced apart therefrom.

Abstract: Disclosed are an apparatus and a method for compensating for a phase delay of a resolver signal. The apparatus includes an input/output interface, and a processor connected to the input/output interface, wherein the processor receives a command signal and the resolver signal through the input/output interface, calculates a delay time of the resolver signal with respect to the command signal based on the command signal and the resolver signal, calculates a compensation time based on the delay time, and compensates the command signal based on the compensation time.

Abstract: A quantum dot device including an anode and a cathode, a light emitting layer disposed between the anode and the cathode, the light emitting layer comprising quantum dots, a first hole auxiliary layer disposed on the anode, the first hole auxiliary layer including poly(3,4-ethylenedioxythiophene)-polystyrenesulfonate or a derivative thereof (PEDOT:PSS), a second hole auxiliary layer disposed on the first hole auxiliary layer and including a hole transport material different from the PEDOT:PSS, wherein the light emitting layer is disposed on the second hole auxiliary layer, wherein the first hole auxiliary layer has a first surface facing the anode and a second surface facing the second hole auxiliary layer, and the second surface includes a surface modification region including a surface modification material having a carboxylic acid group, a phosphonic acid group, a sulfonic acid group, or a salt thereof. An electronic device that includes the quantum dot device.

Abstract: Provided are a novel compound which can improve the luminous efficiency, stability, and service life of an element; an organic electronic element using same, and an electronic device thereof.

Abstract: The present disclosure relates to a method for manufacturing core-shell particles using carbon monoxide, and more particularly, to a method for manufacturing core-shell particles, the method of which a simple and fast one-pot reaction enables particle manufacturing to reduce process costs, facilitate scale-up, change various types of core and shell metals, and form a multi-layered shell by including the steps of adsorbing carbon monoxide on a transition metal for a core, and reacting carbon monoxide adsorbed on the surface of the transition metal for the core, a metal precursor for a shell, and a solvent to form particles with a core-shell structure having a reduced metal shell layer formed on a transition metal core.

Abstract: Provided in the present invention is a handpiece (300) for a treatment device with improved stability and hygiene function by being configured so as to freely adjust the angle of a vacuum cap depending on a treatment site and to attach/detach the vacuum cap to/from the handpiece (300).

Abstract: In one embodiment, a computing system may receive a request for a measurement project of a communication network for a geographic region of interest. The computing system may identify network metrics for control regions. The control regions may comprise geographic regions connected by the communication network. The network metrics may comprise features that measure a change in a value of a corresponding network metric during a particular time period. The computing system may determine, based on a comparison between a first control region and a second control region, whether a first network metric has a change greater than a pre-determined threshold after a first network deployment. The computing system may send, responsive to the request for the measurement project, instructions for presenting a measurement result summary for a second network deployment based on the determined change after the first network deployment is greater than the pre-determined threshold.

Abstract: In one embodiment, a computing system may determine network metrics for geographic regions connected by a communication network. The geographic regions may include a geographic region of interest impacted by a network deployment. The system may identify candidate control regions by clustering geographic regions of into a first group based on metric feature of network metric shared by the geographic regions. The system may select control regions by identifying a second group of geographic regions from the first group of geographic regions based on a comparison between the region of interest and each of the first group of geographic regions. The system may compare a first network metric of the geographic region of interest to first a metric baseline determined based on the one or more control regions. The system may determine whether the first network metric has a change greater than a threshold after the network deployment.

Abstract: In one embodiment, a computing system may receive user inputs from an interactive user interface specifying a communication network and a geographic region of interest. The user interface may retrieve measurements of the communication network and a network deployment taken on the communication network. The system may generate project for measuring impact of the network deployment on the geographic region of interest. The system may access network performance data associated with time periods before and after the network deployment. The system may determine whether the impact is greater than a threshold based on incremental network metrics which may be determined based on the accessed network performance data and using one or more measurement methodologies. The system may send instructions for presenting a visualization of the impact within the user interface. The visualization may describe the geographic region of interest and incremental metrics with respect to the geographic region of interest.

Abstract: In one embodiment, a computing system may determine network metrics for geographic regions connected by a communication network. The geographic regions may include a geographic region of interest impacted by a network deployment. The system may identify candidate control regions by clustering geographic regions of into a first group based on metric feature of network metric shared by the geographic regions. The system may select control regions by identifying a second group of geographic regions from the first group of geographic regions based on a comparison between the region of interest and each of the first group of geographic regions. The system may compare a first network metric of the geographic region of interest to first a metric baseline determined based on the one or more control regions. The system may determine whether the first network metric has a change greater than a threshold after the network deployment.

Abstract: Various embodiments include systems and methods for evaluating potential connections between users of a social networking system. Instrumental variable (IV) models are utilized to estimate a change of user engagement with the social networking system that can be caused by the establishment of a potential connection between users. The estimates can serve as a basis for prioritizing promotional information relating to potential connections.