Abstract: Provided are a compound of Formula 7 improving the luminous efficiency, stability and life span of an organic electronic element employing the compound, the organic electronic element, and an electronic device thereof.

Abstract: Lithium secondary batteries are disclosed. In an embodiment, a lithium secondary battery includes an anode including an anode active material that includes carbon-based active material particles including carbon, the carbon-based active material particles having a Brunauer-Emmett-Teller (BET) specific surface area of 3.0 m2/g to 5.0 m2/g and an average particle diameter (D50) of 5?m to 7.5 ?m, a cathode facing the anode, and a non-aqueous electrolyte solution including a non-aqueous organic solvent that includes a propionate-based organic solvent including propionate and a lithium salt. A content of the propionate-based organic solvent relative to a total volume of the non-aqueous organic solvent is 55 vol % or more.

Abstract: The present invention provides an apparatus and a method for evaluating performance of a battery and equipment for transporting the battery. The battery performance evaluation apparatus of the present invention includes: a temperature measurement unit for measuring an aging temperature of the battery; a voltage measurement unit for measuring a first open circuit voltage of the battery at the start of aging and measuring a second open circuit voltage of the battery at the end of aging; and a processor for calculating a delta voltage of a voltage drop using a difference between the first open circuit voltage and the second open circuit voltage measured by the voltage measurement unit, and determining normal or defective of the battery based on the delta voltage calculated using the aging temperature measured by the temperature measurement unit and an aging period between measurement times of the first and second open circuit voltage.

Abstract: Disclosed is a foreign language phrases learning system based on basic sentence pattern unit decomposition, and implemented in a computing device including at least one processor and at least one memory for storing instructions executable by the processor, which includes: a sentence decomposition unit, when a natural language composed of a foreign language is input from a user, for decomposing a compound sentence corresponding to the input natural language into a plurality of basic sentences; a sentence pattern determination unit for checking one of morphemes or words contained in each of the decomposed basic sentences when the compound sentence is completely decomposed by the sentence decomposition unit, thereby determining a sentence pattern for each of the basic sentences; an additional information designation unit, when the sentence pattern for each of the basic sentences is completely determined by the sentence pattern determination unit, for designating some of the morphemes or the words contained in ea

Abstract: Embodiments of the present invention provide a cathode active material for a lithium secondary battery including lithium-transition metal composite oxide particles. The lithium-transition metal composite oxide particles have a (113) plane FWHM change rate of 75% or less, which is measured through in-situ X-ray diffraction (XRD) and defined by Equation 1. Thereby, life-span characteristics of the lithium secondary battery may be improved by preventing a lattice structure and/or a crystal structure in lithium-transition metal composite oxide particles from being deformed.

Abstract: Systems and methods include determination of a first encryption key associated with a data page of a row store database table stored in a volatile memory, based on a header of the data page, encryption of a body of the data page using the first encryption key, and storage of an encrypted data page comprising the header and the encrypted body in a persistent storage system.

Abstract: The present disclosure relates to a cell culture medium composition and a preparation method therefor. By replacing an animal serum with a Spirulina hydrolysate, cell growth can be induced and cell proliferation can be promoted to a level greater than or equal to that of a medium containing an animal serum, while significantly reducing the added amount of animal serum.

Abstract: Disclosed herein is a separator for electrochemical devices, configured to guarantee electrical insulation between a positive electrode and a negative electrode, wherein the separator includes no polyolefin substrate, and includes inorganic particles, a binder for coupling between the inorganic particles, and a crosslinking agent.

Abstract: The present disclosure relates to methods of detecting a protein from the SARS-CoV-2 virus, or a fragment thereof, in a sample obtained from a subject using a first antibody or antigen-binding fragment thereof that binds to a protein from the SARS-CoV-2 virus, or a fragment thereof, and a second antibody or antigen-binding fragment thereof which binds to a protein from the SARS-CoV-2 virus, or a fragment thereof.

Abstract: The present disclosure relates to a novel polypeptide having an activity of exporting 5?-inosine monophosphate, a microorganism comprising the same, a method for preparing 5?-inosine monophosphate using the same, and a method for increasing export of 5?-inosine monophosphate.

Abstract: The present invention relates to: a pyrene derivative compound having a specific structure; and a high efficiency organic light-emitting device employing the pyrene derivative compound in a light emitting layer and thus having excellent light-emitting characteristics. The organic light-emitting device according to the present invention can be configured as a high efficiency organic light-emitting device having excellent light-emitting characteristics by employing the pyrene derivative compound having the specific structure as a host in the light emitting layer, and thus can be usefully applied industrially in lighting devices, as well as various display devices such as flat, flexible, and wearable displays.

Abstract: The present disclosure provides a resource-circulation-type and eco-friendly livestock manure treatment method, and a system for producing algal biomass used therein, the method being capable of: preventing water pollution while allowing livestock liquid fertilizer to be treated on the basis of a biological process; producing algal biomass; and supplying the produced algal biomass to livestock feed and farms.

Abstract: The present invention relates to an image collection sensor device, an unmanned counting edge computing system and method using the same, and more particularly, to an image collection sensor device capable of providing a high-precision unmanned counting service using a low-power wireless image collection sensor device operated by a battery by analyzing unmanned counting result data that counts the number of persons included in image data, determining image sensor parameters of the image data, and adjusting a collection cycle and collection image quality of image sensor data according to environmental changes in a sensing area.

Abstract: A multilayer electronic component including: a body including a dielectric layer and internal electrodes; and external electrodes disposed outside the body and connected to the internal electrodes, wherein 1.5?Hfs/Hfc?5.0 when the internal electrode includes hafnium (Hf), Hfc indicates an average Hf content (at %) in a center of the internal electrode, and Hfs indicates an average Hf content (at %) in the internal electrode, measured from the center of the internal electrode to an interface thereof in contact with the dielectric layer.

Abstract: A multilayer electronic component includes a body including a capacitance forming portion including a dielectric layer and internal electrodes alternately disposed with the dielectric layer in a first direction and a cover portion disposed on one surface and the other surface of the capacitance forming portion in the first direction, and external electrodes disposed on the body, wherein a secondary phase including Al is disposed at an interface between the internal electrode and the dielectric layer, and the ratio of an area occupied by the secondary phase to an area of the capacitance forming portion is 0.03% or more and 0.40% or less.

Abstract: A chemical supply apparatus includes an evaporation unit disposed downstream of a chemical supply source to vaporize supplied chemical thereto, a filter unit disposed downstream of the evaporation unit, wherein the filter unit filters impurities in the vaporized chemical while the vaporized chemical passes through the filter unit, a liquefaction unit disposed downstream of the filter unit to liquefy the vaporized chemical, and a chemical storage tank disposed downstream of the liquefaction unit to store the liquefied chemical therein, wherein an electrode is disposed between the chemical supply source and the liquefaction unit, wherein the electrode electrically reacts with the chemical or particles in the chemical to change electrical properties of the chemical or the particles.

Abstract: A battery cell includes a battery case having an accommodation portion in which an electrode assembly is mounted, and a sealing portion formed by sealing an outer periphery thereof; an electrode lead electrically connected to an electrode tab of the electrode assembly and protruding out of the battery case; and a lead film located at a portion corresponding to the sealing portion in one of an upper portion and a lower portion of the electrode lead. The lead film has a dented portion recessed in an inner direction of the battery case. The dented portion is opened toward outside of the battery case. The sealing portion located on a gas inlet portion of the dented portion has a recessed sealing portion recessed outward from an inner side of the battery case, and the recessed sealing portion does not overlap with a part of the gas inlet portion on a plane.

Abstract: A window module includes a window, a first protective film disposed on a first surface of the window, and a second protective film disposed on a second surface opposite to the first surface of the window. A first release force of the first protective film with respect to the window is greater than a second release force of the second protective film with respect to the window.

Abstract: The present disclosure relates to a novel citrate synthase variant, a microorganism comprising the variant, and a method for producing O-acetyl-L-homoserine and L-methionine using the microorganism.

Abstract: A fuel cell vehicle includes a fuel cell stack and a battery, a drive motor configured to drive the vehicle through electrical energy of the fuel cell stack or the battery and to generate electric power through regenerative braking during braking, and a controller configured to set a limit of a regenerative braking output of a drive motor upon braking of the vehicle, taking into consideration a driving environment factor in an exterior of the vehicle, a vehicle manipulation factor of a vehicle driver, and a vehicle driving factor as to a driving state of a vehicle part including the fuel cell stack and the battery.