Abstract: This invention relates to a method for producing multimodal polyolefin using multistage continuous polymerization process for producing multimodal polyolefin having superior melt-strength, moldability, mechanical strength, processability, and appearance. A method for producing multimodal polyolefin using multistage polymerization process, comprising the steps of: polymerizing a high molecular weight bimodal polymer by introducing a monomer in the presence of a catalyst composition including two or more different catalysts in a first reactor; and continuously introducing the high molecular weight bimodal polymer produced in the first reactor into a second reactor, and polymerizing a low molecular weight bimodal polymer by introducing a monomer in the presence of the catalyst composition, wherein the multimodal polyolefin includes the high molecular weight bimodal polymer and the low molecular weight bimodal polymer at the same time.

Abstract: A classifying and purifying apparatus of a solid blowing agent includes a classifier which classifies a supplied solid blowing agent into first microspheres and second microspheres, a storage connected to the classifier, in which the classified first microspheres flow in to be stored and emitted, and a filter arranged on the moving route of the solid blowing agent or the first microspheres which separates metallic substance from the object of filtering comprising the solid blowing agent or the first microspheres.

Abstract: A boost direct current-to-direct current (DC-DC) converter using a delta-sigma modulator (DSM), the boost DC-DC converter may comprise a boost driving circuit outputting an output voltage to output terminals by boosting an input voltage, a resistance distribution circuit outputting a feedback voltage by distributing the output voltage of the boost driving circuit, a compensator outputting a compensated feedback voltage by compensating for the feedback voltage outputted by the resistance distribution circuit based on a reference voltage, a delta-sigma modulator outputting a digital signal by modulating the compensated feedback voltage and a duty controller outputting a duty control signal for controlling a switching duty of the boost driving circuit by receiving the output of the delta-sigma modulator.

Abstract: A tilting structure of a mobility device and the mobility device including same, may include a base frame; front wheel frames mounted on opposite front sides of the base frame and coupled to the base frame through front wheel shift gear portions extending in vertical directions; a tilting bar coupled to the base frame to be tiltable transversely with respect to a tilting center, with a first side of the tilting bar being branched and extending to opposite sides; and front wheel rotation gears engaged to opposite end portions of the tilting bar, respectively, to be rotated in the same direction that tilting bar is tilted, and engaged with the front wheel shift gear portions and rotated and thus moving the front wheel shift gear portions relative to each other in the vertical directions with respect to the base frame.

Abstract: A system and method for supporting a series of processes of searching and selection professionals, contract, project progress, inspection, and payment process are disclosed. In the system and method, homeowners and professionals can contact more counterparties, homeowners can find more suitable professionals and order projects at a reasonable price, and professionals acquire more projects without unnecessary cost and effort. It can reduce the possibility of disputes between homeowners and professionals, and provide evidence that can clearly determine the cause of a dispute.

Abstract: The present invention relates to a system and a method for determining a stroke based on a voice analysis. According to the present invention, voice data of subjects are collected to extract and analyze voice onset times to determine stroke patients based on voices. The system for determining a stroke generates and collects voice data from test subjects reading a predetermined word that includes a plosive sound. The system for determining a stroke extracts and calculates voice onset times from the voice data to calculate probability parameters for the voice onset times of each of a normal group and a stroke patient group. The system for determining a stroke uses a set of probability parameters to determine an integration section, and calculates probabilities of being in the normal group and the stroke patient group. The system for determining a stroke applies the calculated probabilities to the Bayes theorem to determine whether the subjects are stroke patients.

Abstract: Provided is a novel pyrrolopyridine compound represented by Chemical Formula I, a racemate or a stereoisomer thereof, or a pharmaceutically acceptable salt thereof; and to a method for preparing the same. A compound represented by Chemical Formula I shows high selectivity and antiviral activity against human immunodeficiency virus (HIV), with low toxicity; therefore, it is useful as a therapeutic agent for viral infection, in particular, HIV infection.

Abstract: An electronic device and method are disclosed herein. The electronic device includes a display and processor. The processor implements the method including executing an application, and based on detecting a frame drop, identifying an insertion position of an interpolation image for a plurality of images generated by execution of the application. An interpolation image is generated based on the identified insertion position and the interpolation image is inserted into the plurality of images at the identified insertion position.

Abstract: Disclosed are a medical fiberous structure and a method for preparing the same, wherein the medical fiberous structure comprises calcium carboxymethyl cellulose and a chitosan compound, at least one of the calcium carboxymethyl cellulose and the chitosan compound having a fibrous shape.

Abstract: A method for fabricating a semiconductor device includes forming a low-k dielectric layer, forming a pattern by etching the low-k dielectric layer, and implanting a carbon-containing material into a surface of the pattern.

Abstract: According to various embodiments, an electronic device comprises; a display; a first communication module for communicating through a first communication network; a second communication module for communicating through a second communication network; a memory; and a processor electrically connected with the memory, wherein the memory can store, during execution, instructions for enabling the second communication module to be inactivated while the processor executes a designated application by using the first communication module in a state in which both the first communication module and the second communication module having a priority higher than that of the first communication module are activated.

Abstract: An antigen variant and a use thereof are disclosed. The antigen variant is a protein, among surface proteins (gE) of the varicella zoster virus, exhibits a high expression level and high immunogenicity, and thus, when the antigen variant is used as a vaccine composition, the vaccine composition has more excellent safety compared to a live virus vaccine, and the antigen variant exhibits a higher expression level in a host cell compared to other antigens. The antigen variant is useful as a vaccine for preventing or treating chicken pox or herpes zoster caused by the varicella zoster virus.

Abstract: A computed tomography (CT) image processing apparatus includes an image processor which sets two or more CT number ranges of interest defined by a window level and a window width for CT numbers of CT image data, and maps the CT numbers to display grayscale values of a display. The display displays the CT image data according to a mapping result. A gradient of a graph showing a relationship between the CT numbers and the display grayscale values in a CT number range included in the two or more CT number ranges of interest, is greater than a gradient in a CT number range not included in the two or more CT number ranges of interest. The graph has a zero or positive gradient over an entire section, or has a zero or negative gradient over the entire section.

Abstract: According to various embodiments, an electronic device comprises a temperature sensor, a display, and a processor configured to operate by using a clock speed selected from among a plurality of clock speeds, wherein the processor may be configured to: execute a designated application by using one selected from among the plurality of clock speeds; check an external temperature by using the temperature sensor for at least some time during the execution of the designated application; when the external temperature falls to within a range of a first designated temperature, execute the designated application by using one selected from among the plurality of clock speeds according to a designated clock governor; and when the external temperature falls to within a range of a second designated temperature that is lower than the first designated temperature, execute the designated application by using one selected from among the plurality of clock speeds, except for some higher clock speeds, according to the designated

Abstract: A display control method and an electronic device thereof according to various embodiments include a display, a processor operatively connected with the display, and a memory operatively connected with the processor, and the memory stores instructions that, when executed, cause the processor to execute an application, to detect performance degradation of the application, and to adjust a resolution of the application based on a resolution adjustment cost of the application in response to the performance degradation of the application being detected.

Abstract: A classifying and purifying apparatus of a solid blowing agent includes a classifier which classifies a supplied solid blowing agent into first microspheres and second microspheres, a storage connected to the classifier, in which the classified first microspheres flow in to be stored and emitted, and a filter arranged on the moving route of the solid blowing agent or the first microspheres which separates metallic substance from the object of filtering comprising the solid blowing agent or the first microspheres.

Abstract: A direct current-to-direct current (DC-DC) converter providing multiple operation modes includes a buck power stage configured to lower an input voltage, a boost power stage configured to increase the input voltage, and a multi-mode controller configured to control the buck power stage and the boost power stage, wherein the multi-mode controller is configured to generate a signal to control the buck power stage and the boost power stage according to the input voltage and an output voltage, and control the buck power stage and the boost power stage using the signal.

Abstract: A communication method and apparatuses performing the same. The communication method includes arranging first subcarriers of a first frequency domain and second subcarriers of a second frequency domain based on a mirror point and performing communication based on an orthogonal frequency-division multiplexing (OFDM) communication scheme using at least one of the first subcarriers and the second subcarriers.

Abstract: A system and method for efficient call processing is provided. The system of a server implemented with a computer includes a memory configured to store a computer-readable instruction and at least one processor configured to execute the computer-readable instruction. The at least one processor includes a push request controller configured to control the server to request a push server to provide push notification to a terminating electronic device corresponding to an outgoing request of an originating electronic device and a call management controller configured to control the server to establish a call session between the originating electronic device and the terminating electronic device based on an invite request sent from the terminating electronic device based on the push notification.

Abstract: The present invention relates to a vaccine composition for prevention or treatment of chicken pox or herpes zoster, the vaccine composition comprising a surface protein (gE) of Varicella Zoster Virus and especially an aluminum salt as an adjuvant. The vaccine composition according to the present invention employs a protein antigen, thus showing greater outstanding stability than a live vaccine and has an optimized mixture ratio of adjuvants to elicit effective antibody induction, thereby being useful as a vaccine for preventing or treating Varicella Zoster Virus-caused chicken pox or herpes zoster.