Abstract: The invention relates to an electrolyte capable of improving the energy efficiency of a lithium air battery, and a lithium air battery using the electrolyte. An electrolyte for lithium air batteries according to the invention includes an amide-based organic solvent and lithium nitrate, wherein the concentration of lithium nitrate in the amide-based organic solvent satisfies a range of no less than 2 mol/L to no greater than 5.5 mol/L. A lithium air battery according to the invention includes an air electrode, a negative electrode including a lithium metal, and an electrolyte located between the air electrode and the negative electrode, wherein the electrolyte is provided by the aforesaid electrolyte.

Abstract: Disclosed is a flue gas low-temperature adsorption denitration system and process. The system includes a booster fan, a cold energy recoverer, a flue gas cooling system, a flue gas switching valve, and two denitration adsorption towers. An inlet of the booster fan is in communication with an inlet flue gas pipeline. The booster fan, the cold energy recoverer, the flue gas cooling system, the flue gas switching valve, and the denitration adsorption towers are sequentially communicated. An outlet of the flue gas switching valve is in communication with each of the two second denitration adsorption towers. Flue gas outlets of the two denitration adsorption towers are in communication with a flue gas manifold. The flue gas manifold is communicated with the cold quantity recoverer. Two denitration adsorption towers take turns to carry out denitration and regeneration processes, so that continuous denitration operations of the system can be achieved.

Abstract: The present invention provides methods and compositions for the remote control of cell function based on the use of a magnetic field to excite paramagnetic nanoparticles targeted to specific cell types. The cell type of interest expresses an ion channel wherein excitation of the paramagnetic nanoparticles results in a physical change that is transduced into a cellular response. Such cellular responses may include, for example, increases in gene expression resulting in production of one or more physiologically active proteins. The expression of such proteins can be used to treat a variety of different inherited or acquired diseases or disorders in a subject.

Abstract: A visual recognition based method for projecting patterned light includes: projecting a calibration image onto a projection screen by a projection module; capturing the calibration image by an image-capturing module to obtain a calibration information between the projection module and the image-capturing module; capturing an object by the image-capturing module to obtain a to-be-recognized image of the object; detecting the object in the to-be-recognized image and acquiring a plurality of feature points associated with a plurality of feature areas of the object in the to-be-recognized image; retrieving a plurality of target feature points corresponding to a target object from the feature points; obtaining a projection coordinate of the target feature points\ according to the calibration information and providing the projection coordinate to the projection module; and projecting a projection pattern with shape corresponding to the target object onto the object by the projection module according to the projecti

Abstract: A catalyst for methanation reaction and a method for preparing methane are provided. The catalyst for methanation reaction includes a core, a shell encapsulating the core, and an active metal. The core includes cerium dioxide (CeO2), the shell includes zirconium dioxide (ZrO2), and the active metal is in particle form and is disposed on an outer surface of the shell layer.

Abstract: A multi-dimensional spatial positioning system and method for disturbance source. The system includes a distributed-optical fiber sensor, a sensing optical fiber, a coordinate system, a disturbance source to be monitored, a first signal group, and a second signal group. The disturbance source is positioned by combining an array signal processing method with the distributed optical fiber sensor, using different laying manners for the sensing optical fiber and a certain number of flexibly selected sensing units distributed a certain distance from each other along a line, and combining with a special signal processing method, thereby realizing a function of being capable of monitoring multi-dimensional spatial position information of the disturbance source in real time in both short and long distances.

Abstract: The present disclosure relates to a system for installing a floor finishing material using an autonomous driving robot. According to the present disclosure, there is provided a system for installing a floor finishing material using autonomous driving including: a floor surface cleaning and adhesive application robot that cleans a floor surface and applies adhesive while moving with autonomous driving; a finishing material installation robot that installs the floor finishing material on an upper side of the adhesive surface; a finishing material loading robot that loads the floor finishing material loaded in an installation site, on a pallet; a finishing material transport robot that transports and delivers the loaded floor finishing material to the finishing material installation robot; and a 3D positioning device that sets a position thereof as an origin and recognizes positions of a plurality of active markers installed in a work site.

Abstract: A target tracking system includes an observation module, a dynamic tracking module, a control module and an aiming module. The observation module captures an observation frame including a tracked-object image of a tracked-object and an aiming point image and detects a distance between the observation module and the tracked-object. The dynamic tracking module analyzes the observation frame to obtain a lag correction vector between the aiming point image and the tracked-object image, and obtains a feed-forward correction vector according to the lag correction vector and the distance. The control module generates a control command representing the lag correction vector and a control command representing the feed-forward correction vector. The aiming module moves according to the control commands to control the aiming point image to align with the tracked-object image and control the aiming point image to lead the tracked-object image.

Abstract: A method of a base station may comprise: receiving a signal including a first message of a first terminal and a first message of a second terminal in one RO; determining the first terminal as a near terminal based on preconfigured criteria; determining the second terminal as a far terminal based on the preconfigured criteria; transmitting, to the first terminal and the second terminal, one or more DCIs including a NOMA indicator indicating that second messages, which are responses to the first messages of the first terminal and the second terminal, are to be respectively transmitted in a NOMA scheme; and transmitting the second messages to the first terminal and the second terminal based on the one or more DCIs.

Abstract: Disclosed are methods and apparatuses for image data encoding/decoding. A method of decoding an image includes receiving a bitstream in which the image is encoded; obtaining index information for specifying a block division type of a current block in the image; and determining the block division type of the current block from a candidate group pre-defined in the decoding apparatus. The candidate group includes a plurality of candidate division types, including at least one of a non-division, a first quad-division, a second quad-division, a binary-division or a triple-division. The method also includes dividing the current block into a plurality of sub-blocks; and decoding each of the sub-blocks with reference to syntax information obtained from the bitstream.

Abstract: The present invention provides a compound represented by chemical formula 1, an optical isomer thereof or a pharmaceutically acceptable salt thereof, and a pharmaceutical composition for preventing or treating Wnt/?-catenin signaling-associated diseases, comprising same.

Abstract: The present disclosure relates to a technology for skeleton-based action recognition based on a graph convolutional network, in which an action processing device receives a frame including a skeleton with respect to actions of an object, extracts spatiotemporal features with respect to the skeleton by using a rank adjacency matrix in which a distance between one node and another node and an adjacency ranking are considered, merges an object and vertices in the input frame based on the extracted spatiotemporal features, and performs a classification task.

Abstract: A system for exploiting natural gas hydrate with downhole gas-liquid synergic depressurization includes a casing configured to form an exploitation well. An upper end of the exploitation well is connected to a produced gas collection pipeline, and the produced gas collection pipeline is configured to be connected to a produced gas recovery system. A perforated channel is distributed in a section of the casing located in a natural gas hydrate reservoir. A tubular string component assembly is mounted in the exploitation well, and includes an outer string, a production tubular string and an auxiliary riser. A first check valve is mounted at the bottom of the outer string, a gas supply pipeline is connected into an upper portion of the outer string, and a flow controller is mounted in the gas supply pipeline. The production tubular string is mounted in the outer string.

Abstract: A method of a central unit (CU) may comprise: receiving, from a terminal, measurement information for radio access points; configuring a cluster using two or more radio access points among the radio access points based on the measurement information; and generating first data to which a cluster header including a cluster identifier of the cluster is attached; and transmitting the first data to the two or more radio access points, wherein second data generated in the two or more radio access points includes the first data and a packet data convergence protocol (PDCP) header, the CU performs a first partial PDCP function, and the two or more radio access points perform a second partial PDCP function.

Abstract: The present invention discloses a conductive substrate, a perovskite substrate using the conductive substrate, and a solar cell using the perovskite substrate. The conductive substrate, the perovskite substrate, and the solar cell of the present invention include a conductive base and a conductive compound stacked on the conductive base. The conductive compound is represented by Formula 1, 2 or 3. The conductive compound is capable of multi-electron redox reactions, possesses p-type organic molecular properties, and has an oxidation potential or highest occupied molecular orbital (HOMO) matching the valence band of perovskite so that holes generated in an absorber layer are selectively separated for the application of the perovskite material, achieving enhanced photoelectric conversion efficiency of the solar cell and a significantly reduced difference between the forward and reverse conversion efficiencies (hysteresis index) of the solar cell.

Abstract: A high-electron-mobility transistor structure as well as a fabricating method and use thereof are provided. The high-electron-mobility transistor structure includes an epitaxial structure as well as a source electrode, a drain electrode and a gate electrode, where the epitaxial structure includes a first semiconductor layer and a second semiconductor layer, a carrier channel is formed between the first semiconductor layer and the second semiconductor layer, and the source electrode is electrically connected with the drain electrode through the carrier channel; a coincidence rate between the orthographic projection of the gate foot of the gate electrode on the first semiconductor layer and the orthographic projection of the second semiconductor layer on the first semiconductor layer is more than 80%.

Abstract: The present disclosure provides compositions and methods for prevention or treatment of hearing loss. In some examples, a composition for preventing or treating hearing loss comprises at least one compound that activates AMPK in at least one hair cell.

Abstract: A force sensing apparatus with bridge portion comprises a first case, a second case, and a force sensing module. The first case comprises a first annular portion, a first bridge portion, and an inner wall portion. The first bridge portion is connected to an outer periphery of the first annular portion. The inner wall portion is connected to an inner periphery of the first annular portion. The second case comprises a second annular portion, a second bridge portion, and an outer wall portion. The second bridge portion is connected to an inner periphery of the second annular portion. The outer wall portion is connected to an outer periphery of the second annular portion. A stiffness of the second annular portion along an axial direction is greater than a stiffness of the second bridge portion along the axial direction. The second case is disposed on the first case along the axial direction to form a space. The force sensing module is disposed in the space.

Abstract: A single atom catalyst for carbon dioxide conversion which allows mass production at low cost without performing a pretreatment of a carbon support and a post-treatment of a final synthesized catalyst is prepared. The single atom catalyst for carbon dioxide conversion was confirmed to have a low metal content to reduce production costs, and to have high carbon monoxide selectivity, carbon monoxide production rate, and stability.

Abstract: Disclosed herein is a method for storing blockchain transaction data. The method includes selecting transaction blocks corresponding to an encoding group, generating at least one encoding chunk corresponding to each of participating nodes by performing fountain encoding on the transaction blocks, and storing the at least one encoding chunk corresponding to one of the participating nodes.