Abstract: Disclosed are a cell-level analysis method of a memory and a computing device for performing the same. The cell-level analysis method of a memory is a cell-level analysis method of a memory that is executed in a computing device including one or more processors and a memory storing one or more programs executed by the one or more processors, the cell-level analysis method including acquiring information on a location of each cell in the memory, generating graph-structured data for a target cell based on the location of each cell in the memory, and training a graph neural network model to predict one or more of an electrical characteristic of the target cell and a program and verify level (PV level) of the target cell by inputting the graph-structured data into the graph neural network model.

Abstract: A machine-learning method for semiconductor process optimization may include inputting semiconductor-related parameters into each of first neural network models and outputting, based on the semiconductor-related parameters, a predicted figure of merit of a semiconductor device as a first output value from each of the first neural network models. After a semiconductor manufacturing process is performed with a semiconductor manufacturing parameter, electrical measurement parameter values may be measured using one or more measuring devices. The semiconductor-related parameters may include electrical measurement parameter values measured on one or more semiconductor devices. The method may also utilize a feedback loop between an output and an input of the first neural network models so that the electrical measurement parameter values can be updated based on an output value of the first neural network models. A second neural network model may also be used. A computing device and a system are also disclosed.

Abstract: An apparatus for image segmentation according to an embodiment includes an acquirer configured to acquire one or more images in which an object is photographed and a segmentation performer configured to perform segmentation on the one or more images using a segmentation model which is deep learned through a plurality of images, in which the segmentation model is a U-Net-based model including a first type module based on depth-wise separable convolution (DSC) and a second type module based on global context network (GCNet).

Abstract: A user authentication method performed in an unmanned delivery system including a server, a buyer customer device, a deliveryman customer device, and an autonomous delivery vehicle includes: generating, by the server, a session key based on order information received from the buyer customer device, and transmitting the generated session key to the deliveryman customer device and the buyer customer device; generating, by the deliveryman customer device, a One-Time Password (OTP) based on the session key; applying, by the deliveryman customer device as a first application step, a hash function to the OTP a first predetermined number of times; additionally applying, by the deliveryman customer device as a second application step, the hash function to the OTP generated in the first application step a second predetermined number of times; and generating, by the deliveryman customer device, a first Quick Response (QR) code based on the OTP generated in the second application step.

Abstract: An artificial bladder is provided, including: a main body which includes an inlet port, an outlet port, an inner wall that forms a first reservoir portion configured to store urine between the inlet port and the outlet port and that is expandable and contractible. An outer wall forms a second reservoir portion configured to surround at least a partial region of the inner wall. A sensor is attached to the inner wall, has a surface having a wrinkled structure, and is provided so that, when the volume of the first reservoir portion increases, the wrinkled structure stretches out and resistance of the sensor changes. A control unit is provided to discharge the urine in the first reservoir portion through the outlet port according to a result detected by the sensor.

Abstract: The present invention relates to a ruthenium thin film-forming method for forming a ruthenium thin film using a ruthenium precursor, in which tricarbonyl (?4-methylene-1,3-propanediyl) ruthenium ((CO)3Ru-TMM)) having a structure represented by the following formula 1 is used as the ruthenium precursor, and the method includes a stage of forming a ruthenium thin film by an atomic layer deposition at a temperature ranging from 200° C. to 350° C. using this ruthenium precursor and a reaction gas. As the reaction gas, one or more selected from the group consisting of oxygen, hydrogen, water and ammonia are preferably applied.

Abstract: The present invention relates to a composition for preventing or treating cellular senescence-associated diseases comprising salinomycin as an active ingredient, which acts differently depending on the type of senescent cells, and it was confirmed that salinomycin exhibits a senomorphics effect of restoring the function and morphology of fibroblasts and vascular endothelial cells in which senescence is induced and exhibits a senolytics effect of selectively killing aging-induced retinal pigmented epithelial cells, and exhibits a senomorphics effect of restoring the function and morphology of cells, and thus the salinomycin acts differently depending on the type of cells to effectively prevent or treat senile eye disease, tissue fibrosis disease, atherosclerosis, osteoarthritis, degenerative brain disease, chronic skin damage, obesity and diabetes caused by cellular aging and can be provided as a composition for life extension.

Abstract: The present invention relates to a composition for preventing or treating muscle diseases, wherein the composition contains homoharringtonine as an active ingredient, wherein it was found that the suppression of a decrease in skeletal muscle mass and improved muscle strength were exhibited in an experimental group in which homoharringtonine was administered to an animal model in which reduction in muscle mass and muscular atrophy were induced by obesity, aging, or the fixing of lower extremities, and thus the composition including homoharringtonine as an active ingredient can be provided as a pharmaceutical composition or a health food for preventing or treating muscle diseases caused by a decrease in muscle mass or muscle strength.

Abstract: The present invention relates to a composition for preventing or treating cellular senescence-associated diseases comprising homoharringtonine as an active ingredient, and it was confirmed that the composition comprising homoharringtonine as an active ingredient exhibits a senolytics effect of selectively killing aging-induced fibroblasts and renal tubular cells, whereas aging-induced vascular endothelial cells and epithelial melanocytes and retinal pigmented epithelial cells, and exhibits a senomorphics effect of restoring the function and morphology of cells, and thus the homoharringtonine acts differently depending on the type of cells to effectively prevent or treat senile eye disease, tissue fibrosis disease, atherosclerosis, osteoarthritis, degenerative brain disease, chronic skin damage, obesity and diabetes caused by cellular aging and can be provided as a composition for whitening skin and life extension.

Abstract: A lidar sensor device according to an embodiment includes a data generation unit that generates light identification data, an optical modulation unit that generates a plurality of modulated signals for the optical identification data by performing orthogonal frequency division multiplexing (OFDM) modulation on the optical identification data and generates a plurality of laser signals respectively corresponding to the plurality of modulated signals and having different frequencies, and a transmission unit that simultaneously transmits the plurality of laser signals to different measurement points according to the frequencies, respectively.

Abstract: The present invention related to an ionically bonded compound of polyethylene-cholic acid for gene transfer and a use thereof and, more specifically, to a compound in which polyethylenimine and cholic acid are ionically bonded to each other, a preparation method therefor, a gene transfer method thereof, and a use thereof for gene transfer.

Abstract: Provided is a jamming defense system. In the jamming defense system for wireless local area network communication between an access point (AP) and a user node, the AP that transmits and receives a message to and from the user node generates an AP secret key value by measuring a signal reception strength for the message, and the user node that transmits and receives a message to and from the AP generates a user node secret key value by measuring a signal reception strength for the message.

Abstract: A fine particle separating apparatus includes a first filter having a first mesh, the first filter having a first section and a second section with the first mesh therebetween and rotatably mounted in the first filter part. A first flow path allows sludge to flow into the first filter, a second flow path allows an effluent from the first filter party to flow therein, and a third flow path is provided to discharge the effluent from the second flow path to the outside. At least a portion of the effluent flowing into the second flow path is provided to the first filter part in a fluid loop along a fourth flow path, and a fifth flow path is defined in the first section to allow the effluent from the fourth flow path to pass through the first filter part. A storage tank and a pump are also provided.

Abstract: A learning apparatus for image generation includes a preprocessing module configured to receive text for image generation and generate a sentence feature vector and a word feature vector from the received text, a first generative adversarial network (GAN) configured to receive the sentence feature vector from the preprocessing module and generate an initial image based on the received sentence feature vector, and a second generative adversarial network configured to receive the word feature vector generated by the preprocessing module and the initial image generated by the first generative adversarial network and generate a final image based on the word feature vector and the initial image.

Abstract: A user authentication method performed in an unmanned delivery system including a server, a buyer customer device, a deliveryman customer device, and an autonomous delivery vehicle includes: generating, by the server, a session key based on order information received from the buyer customer device, and transmitting the generated session key to the deliveryman customer device and the buyer customer device; generating, by the deliveryman customer device, a One-Time Password (OTP) based on the session key; applying, by the deliveryman customer device as a first application step, a hash function to the OTP a first predetermined number of times; additionally applying, by the deliveryman customer device as a second application step, the hash function to the OTP generated in the first application step a second predetermined number of times; and generating, by the deliveryman customer device, a first Quick Response (QR) code based on the OTP generated in the second application step.

Abstract: Disclosed is an apparatus for capturing bioaerosols. More particularly, the apparatus for capturing bioaerosols includes a sprayer configured to spray a buffer solution for protecting aerosol particles in a form of droplets; and a capturer into which air including the droplets and the aerosol particles is introduced and in a capture solution in which the aerosol particles are captured, wherein discharge members provided with a plurality of nanostructures are provided on a surface of the capturer to charge the aerosol particles. Due to such a configuration, high discharge efficiency can be anticipated even at a low voltage without damage to aerosol particles.

Abstract: An apparatus for measuring a position according to an embodiment includes a light source emitting light to an inner surface of a pipe, a first lens receiving reflected light from which light emitted by the light source is reflected by the inner surface and converting the reflected light into parallel light parallel to an optical axis, a second lens disposed on an optical path of the parallel light and converting the parallel light into a convergent refracted light, an image sensor disposed on an optical path of the refracted light, one or more elastic members disposed between the first lens and the second lens, and a plurality of wheels that are coupled to a side surface of the first lens and are in close contact with the inner surface to be rotated by movement of the moving body.

Abstract: The present invention relates to a hydrophilic separation membrane polymer composition containing a sulfonated graphene oxide and a sulfonated carbon nanotube, and a hydrophilic separation membrane fabricated therefrom. A hydrophilic separation membrane according to the present invention has the advantage of being very high in water permeability and excellent in anti-fouling properties.

Abstract: Disclosed in the present specification are an apparatus and a method capable of quickly verifying a plurality of micro LEDs. An LED verification substrate according to the present specification is a micro LED verification substrate having a plurality of verification chips, wherein each verification chip can comprise: a first contact deposited on the upper side of a lower substrate; a first passivation layer deposited on the upper side of the first contact; a second contact deposited on the upper side of the first passivation layer; a second passivation layer deposited on the upper side of the second contact; a first bump electrically connected to the first contact and protruding above the upper surface of the second passivation layer; and a second bump electrically connected to the second contact and protruding above the upper surface of the second passivation layer.

Abstract: The present invention relates to an antiviral composition and a screening method thereof for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that occurred in Wuhan, China in 2019. An extract from leaves or unfertilized female flowers of Cannabis sativa L. or its fraction, and the cannabinoids (CBDs) molecules isolated from it have high binding strength and stability to SARS-CoV-2 MPpro, thereby inhibiting its action as the main protease, to provide a useful lead molecule that can be used alone or in combination with other drugs to treat SARS-CoV-2.