Abstract: The present disclosure relates to a citrate synthase variant, a microorganism comprising the variant, and a method for producing L-amino acids using the microorganism.

Abstract: Disclosed is a process stop loss reduction system, in which in case that pressure in a trapping apparatus and pressure in a process chamber are increased because of space clogging or the like caused by reaction by-products while the trapping apparatus for trapping of a reaction by-product contained in exhaust gas discharged from the process chamber operates over a long period of time during a semiconductor process, only the trapping apparatus, in which an exhaust gas supply flow path is blocked, may be quickly replaced while inert gas, instead of the exhaust gas, is received in an idle state and continuously supplied to the vacuum pump through a bypass pipe without stopping an operation of (shutting down) a semiconductor manufacturing process chamber facility, and then the trapping apparatus may be supplied with the exhaust gas again as the flow path is changed.

Abstract: A switching converter includes: a power stage circuit including at least one switch to switch an inductor to convert an input power to an output power; a modulation circuit executing a pulse width modulation according to a feedback signal related to the output power and a reference signal to generate a modulation trigger signal; a time calculation circuit generating a pulse width modulation (PWM) signal according to the modulation trigger signal to control the at least one switch and computing an ON-time or an OFF-time of the PWM signal; and a time adjustment circuit generating a time adjustment signal according to a first clock signal related to the PWM signal, wherein the time adjustment signal adjusts the ON-time or OFF-time in a random or a pseudo-random fashion, so as to suppress a noise resulting from a switching frequency of the PWM signal.

Abstract: A negative electrode including: a current collector; a first negative electrode active material layer positioned on at least one surface of the current collector for a negative electrode and containing a first carbonaceous active material; and a second negative electrode active material layer positioned on a surface of the first negative electrode active material layer and containing a silicon-based active material and carbon nanotubes. A lithium secondary battery including the negative electrode is also disclosed.

Abstract: A method for decommissioning a nuclear facility includes: floating the nuclear reactor pressure vessel above the cavity; rotating the reactor pressure vessel so that the upper portion of the nuclear reactor pressure vessel is closer to the bio-protective concrete than the lower portion; mounting the upper portion of the nuclear reactor pressure vessel on the neighboring upper surface of the bio-protective concrete; and cutting and decommissioning the nuclear reactor pressure vessel mounted on the neighboring upper surface.

Abstract: The present invention relates to a phosphine precursor for the preparation of a quantum dot, and a quantum dot prepared therefrom. Using the phosphine precursor for the preparation of a quantum dot of the present invention, a quantum dot with improved luminous efficiency and higher luminous color purity can be provided.

Abstract: Techniques for accessing data objects using UDF streams include decoding by at least one hardware processor of a first computing node, a first request for a UDF. The first request is generated at a second computing node by one of a plurality of input streams of the UDF. A second request for one or more data objects associated with the UDF is generated at the first computing node using an execution thread assigned to the first request. An authorization of the execution thread is performed using data access rights assigned to the first request. The one or more data objects are retrieved based on the authorization in response to the second request. The one or more data objects are stored in a storage location accessible by the execution thread.

Abstract: A method includes forming a material layer over a substrate, forming a first hard mask (HM) layer over the material layer, forming a first trench, along a first direction, in the first HM layer. The method also includes forming first spacers along sidewalls of the first trench, forming a second trench in the first HM layer parallel to the first trench, by using the first spacers to guard the first trench. The method also includes etching the material layer through the first trench and the second trench, removing the first HM layer and the first spacers, forming a second HM layer over the material layer, forming a third trench in the second HM layer. The third trench extends along a second direction that is perpendicular to the first direction and overlaps with the first trench. The method also includes etching the material layer through the third trench.

Abstract: The present disclosure relates to a Corynebacterium glutamicum mutant strain having enhanced L-lysine productivity and a method of producing L-lysine using the same. The mutant strain may produce L-lysine in an improved yield compared to the parent strain by increasing or enhancing the expression of a gene encoding aspartate-semialdehyde dehydrogenase therein.

Abstract: An embodiment air conditioning system includes a refrigerant circuit including a compressor, a condenser, an expander, and an evaporator, a first coolant line including a first heat exchanger and a first air conditioning heat exchanger, a second coolant line including a second heat exchanger, connected so that a coolant of the first coolant line flows by connecting front and rear ends of a second air conditioning heat exchanger to front and rear ends of the first air conditioning heat exchanger, and a first valve selectively controlling a flow of the coolant of the first coolant line on the front end of the first air conditioning heat exchanger, and a controller controlling the first valve in a heating mode so that the coolant cooled through the first heat exchanger in the first coolant line flows to the first air conditioning heat exchanger and the second air conditioning heat exchanger.

Abstract: Disclosed herein is a method for task planning for collaboration of artificial intelligence (AI) agents. The method includes generating a scene graph using an image acquired by an AI agent and a human instruction and generating a machine instruction set for objects in the scene graph, and the scene graph includes relevance information between each of the objects in the scene graph and the human instruction.

Abstract: A refrigerant module of an integrated thermal management system of a vehicle is provided in which components of the module may be compactified by modularizing the components related to a refrigerant. In the refrigerant module of the integrated thermal management system for the vehicle in which the refrigerant module is configured such that a refrigerant circulates through a compressor, a condenser, an expansion valve, an evaporator, and an accumulator, the refrigerant module includes the compressor having a first suction port and a first discharge port, the condenser having a second suction port and a second discharge port, the expansion valve having a third suction port and a third discharge port, the evaporator having a fourth suction port and a fourth discharge port, the accumulator having a fifth suction port and a fifth discharge port, and a connection passage enabling the refrigerant discharged from the accumulator to flow to the compressor.

Abstract: An optical sensing module and an electronic device are provided. The optical sensing module includes a substrate, a plurality of optical sensing elements, and a light-blocking element. The substrate has a sensing region and a non-sensing region around the sensing region. The plurality of optical sensing elements is disposed on the sensing region. The light-blocking element is disposed on the non-sensing region and a portion of the sensing region. The light-blocking element overlaps a portion of the plurality of optical sensing elements in a normal direction of the substrate.

Abstract: A byte-addressable electronic device is provided. The electronic device includes a volatile memory device, a mapping table storing address information of the volatile memory device corresponding to address information of a non-volatile storage device, and information indicating whether a command related to data access is processed in relation to the address information of the volatile memory device, and a controller connected to a host processor, the volatile memory device, and the non-volatile storage device, and configured to process commands related to data access received from the host processor based on the mapping table.

Abstract: An electrode assembly includes a plurality of unit cells each equipped with a pair of electrodes having different polarities. Electrode tabs protrude from the electrodes. The electrode tabs including at least one electrode parallel connection tab and at least one electrode lead connection tab. In a first unit cell of the plurality of unit cells, a current collector of a first electrode among the pair of electrodes is made of a different material from a current collector of a second electrode among the pair of electrodes having the different polarity.

Abstract: A semiconductor package includes a redistribution substrate that includes a first redistribution pattern and a second redistribution pattern that are at different levels from each other, and a semiconductor chip on the redistribution substrate and including a plurality of chip pads electrically connected to the first and second redistribution patterns. The first redistribution pattern includes a first metal pattern on a first dielectric layer, and a first barrier pattern between the first dielectric layer and a bottom surface of the first metal pattern. The second redistribution pattern includes a second metal pattern in a second dielectric layer, and a second barrier pattern between the second dielectric layer and a bottom surface of the second metal pattern and between the second dielectric layer and a sidewall of the second metal pattern.

Abstract: The present disclosure provides an acoustic metamaterial-based muffler for exhaust noise reduction, including an exhaust flow body that is provided with an inlet through which exhaust gas of an internal combustion engine flows in on one side, and an outlet through which the exhaust gas flows out on the other side, and a flow passage for guiding a movement of the exhaust gas therein; and a plurality of noise reduction units that are sequentially disposed along a discharge direction of the exhaust gas inside the exhaust flow body to reduce noise in a specific frequency band in exhaust noise of the exhaust gas caused by the movement of the exhaust gas on the inside of the exhaust flow body.

Abstract: Provided is a separator for a lithium secondary battery. The separator for the lithium secondary battery may include a separator substrate, a first coating layer on the separator substrate, and a second coating layer on the first coating layer, wherein the first coating layer includes a solid electrolyte, and the second coating layer includes a lithium compound.

Abstract: Disclosed herein is an inspection robot system for the customs inspection of container-loaded cargo. The inspection robot system includes: an attachment-type mobile robot configured to drive in the state of being attached to the top surface of a container; and a flexible robot system configured to interface with the attachment-type mobile robot, to selectively accommodate and extend a flexible robot having multiple degrees of freedom, and to perform inspection on cargo.