Abstract: The present disclosure provides a novel promoter variant in which some nucleotides are inserted, deleted, or substituted in a twin arginine translocase A (tatA) gene promoter of Escherichia coli. According to the present disclosure, the novel promoter variant can constitutively high-express a target protein, particularly an enzyme, in Escherichia coli. Therefore, by using a recombinant strain transformed with an expression vector including the novel promoter variant according to the present disclosure, it is possible to economically mass-produce a target protein, particularly an enzyme. For example, by using a recombinant strain transformed with an expression vector including the novel promoter variant according to the present disclosure, it is possible to economically mass-produce allulose epimerase or economically mass-produce allulose from fructose.

Abstract: A quantum key distribution system using an RFI (reference frame independent) QKD (quantum key distribution) protocol includes a quantum channel transmitter that generates a first quantum signal including quantum information and provides the first quantum signal to an external device through a quantum channel, a first public channel transceiver that generates an optical signal including first additional information related to a QKD operation, and transmits and receives the optical signal through a public channel, a second public channel transceiver that receives the optical signal through the public channel and generates a measurement result by measuring a circular polarization component of the optical signal, and a quantum channel receiver that receives the first quantum signal through the quantum channel, generates a second quantum signal by correcting a polarization distortion of the first quantum signal based on the measurement result, and demodulates the quantum information from the second quantum signal.

Abstract: Provided is an applicator for attaching, to skin of a user, a medical device including a sensor unit having a sensor of which a portion is to be inserted into the skin of the user and a base unit attached to the skin of the user to be coupled to the sensor unit, the applicator including an applicator body to which the base unit is separably coupled, a locking hook disposed to the applicator body to engage with the base unit, an insertion unit disposed to the applicator body for moving the sensor unit from a first position spaced apart from the base unit to a second position for being coupled to the base unit, and an operation part disposed to the applicator body to be moved by control by the user from a third position to a fourth position for operating the insertion unit, and the locking hook is maintained to be in a fixed mode of engaging with the base unit, in a state in which the operation part is positioned at the third position, and the fixed mode is releasable by an operation of the operation part movin

Abstract: A semiconductor package includes a base semiconductor chip, a first chip structure including first semiconductor chips that are vertically stacked on the base semiconductor chip, and a second chip structure disposed on the first chip structure and including second semiconductor chips that are vertically stacked on the first chip structure. Inactive surfaces of the first semiconductor chips are oriented in a first direction with respect to the base semiconductor chip, and active surfaces of the second semiconductor chips are oriented in the first direction with respect to the base semiconductor chip.

Abstract: An applicator assembly according to the present disclosure includes a medical device including a sensor unit having a sensor of which at least a portion is to be inserted into skin of a user and a base unit attached to the skin of the user to be coupled to the sensor unit, an applicator body including an applicator body bottom portion disposed to face the skin of the user and an applicator body recess formed to the applicator body bottom portion wherein the base unit is disposed, and an insertion unit disposed to the applicator body for moving the sensor unit from a first position spaced apart from the base unit to a second position for being coupled to the base unit, and the base unit is disposed to the applicator body recess to protrude from the applicator body bottom portion.

Abstract: A semiconductor memory device includes a substrate including first and second regions; a first stacked structure on the first region, and having first gate electrode layers and first insulating layers alternately stacked; a second stacked structure on the first stacked structure, and having second gate electrode layers and second insulating layers alternately stacked; an oxide structure on the second region; a first mold structure on the oxide structure, and having nitride and oxide layers alternately stacked; a channel structure penetrating the first and second stacked structures in the first region; and a through structure penetrating the oxide structure and the first mold structure in the second region. The oxide structure and first stacked structure are at a same level, and the first mold structure and second stacked structure are at a same level.

Abstract: A rotor blade system. The rotor blade system includes a rotor and a plurality of blades coupled to the rotor. The plurality of blades are arranged in an airfoil distribution pattern. The airfoil distribution pattern includes one or more baseline blades and one or more intentionally mistuned blades including an intentional mistuning feature.

Abstract: Provided are a beam tracking module, a free-space quantum communication device, and a free-space optical communication device. The beam tracking module for free-space quantum communication includes a controller configured to determine a divergence angle of a reference beam on the basis of divergence angle control data, a beam path control optical part configured to output the reference beam, and a beam transmitter configured to adjust the divergence angle through the beam path control optical part so that the reference beam having the determined divergence angle is output.

Abstract: A battery pack includes at least one battery module including a plurality of battery cells, and a module housing to receive the plurality of battery cells, at least one thermoelectric module disposed outside or inside of the module housing of the battery module and configured to generate voltage when a temperature of the battery module rises to a predetermined temperature or above, and an energy drain unit configured to discharge the battery module when a predetermined magnitude of voltage or above is applied from the thermoelectric module.

Abstract: A method and system for causing an artificial neural network to learn using driving record data and diagnostic trouble data that can be collected while a vehicle travels, and predicting troubles of the vehicle in advance using the same. The method includes the steps of: collecting driving record time series data indicating a vehicle state or a driving state of a collection target vehicle during a predetermined measurement period, by a computing system; collecting diagnostic trouble codes (DTCs) generated while the collection target vehicle travels during the measurement period, by the computing system; generating a learning data set on the basis of the driving record time series data and the diagnostic trouble codes of the collection target vehicle collected during the measurement period, by the computing system; and causing an artificial neural network to learn on the basis of the generated learning data set, by the computing system.

Abstract: The present disclosure relates to a battery module with reduced manufacturing cost and a battery pack comprising the same. To achieve the above-described object, the battery module according to the present disclosure includes a cell assembly including a plurality of secondary batteries, and a module housing in which the cell assembly is received, wherein the module housing includes at least two frames capable of changing a length of the module housing according to a size of the cell assembly.

Abstract: There is provided an anhydrous dyeing system for yarn, including: a transfer printer which repeatedly sprays dye ink on a surface of a transfer sheet a plurality of times to laminate and apply ink layers; a dyeing jig which is in a drum form having a plurality of microholes formed in an outer circumferential surface thereof to penetrate inside and outside; a process chamber into which the dyeing jig is put; a heating member for heating the yarn wound on the dyeing jig, by supplying heat to the inside of the process chamber; and a vacuum-generating member which is in communication with an internal space of the dyeing jig and vacuum-evacuates the air in the internal space of the dyeing jig to thereby form a vacuum pressure inside the dyeing jig.

Abstract: A wafer processing apparatus includes a rotating chuck rotatably installed on a driver, a vacuum chuck which is disposed on the rotating chuck and on which a wafer is seated, a ring cover disposed along a circumferential portion of the vacuum chuck to press the wafer to seal the circumferential portion of the vacuum chuck, and a chuck module installed in the rotating chuck to fix the ring cover to the rotating chuck.

Abstract: An exemplary embodiment of the present invention provided an apparatus for treating a substrate. The apparatus for treating the substrate includes a process chamber having a treating space therein, a support unit for supporting the substrate in the treating space, gas supply unit for supplying treating gas to the treating space, and a microwave application unit for applying microwaves to the treating gas to generate plasma, wherein the microwave application unit includes a transmission plate disposed above the support unit to radiate the microwaves to the treating space, a first waveguide disposed above the transmission plate, and a first power supply for applying the microwaves to the first waveguide, wherein the first waveguide is provided in a ring shape.

Abstract: A semiconductor memory device includes a conductive pattern disposed on a substrate and a lower electrode connected to the conductive pattern and extending in a first direction. The lower electrode includes a lower pattern and an upper pattern. The lower electrode is disposed between the upper pattern and the conductive pattern. The device further includes a capacitor dielectric film disposed on the lower electrode and an upper electrode disposed on the capacitor dielectric film. The lower pattern includes a lower inner interface extending in the first direction, wherein the upper pattern is free of an inner interface extending in the first direction.

Abstract: A disconnector control device and method for an electric vehicle are provided. The disconnector control device includes a disconnector that switches wheel driving manners and a processor that recognizes a driving condition of the vehicle. The processor also acquires at least one factor related to operation of the disconnector and operates the disconnector based on the acquired at least one factor.

Abstract: A light path control member according to an embodiment includes a first substrate; a first electrode disposed on the first substrate; a second substrate disposed on the first substrate; a second electrode disposed under the second substrate; a light conversion part disposed between the first electrode and the second electrode; and an adhesive layer disposed between the second electrode and the light conversion part, wherein the light conversion part includes a plurality of receiving parts, wherein the adhesive layer includes an overlapping region that overlaps the receiving part and a non-overlapping region that does not overlap the receiving part, and wherein the overlapping region includes regions with different thicknesses.

Abstract: Equipment for controlling a node in a wireless communication system can include a processor. The processor can identify scenarios under which at least one wireless communication system problem can occur, and metrics that characterize the scenarios. Based on the metrics the processor can generate a set of sub-problems, where a sub-problem of the set can correspond to a respective scenario. The processor can identify a set of algorithms for responding to respective sub-problems of the set of sub-problems to generate a module. The processor can provide control logic to determine which algorithm of the module to execute during operation of the wireless communication system based on detection of problems of an identified scenario. The processor can provide identification of a selected algorithm based on the determining. Communication circuitry can provide identification of the selected algorithm for execution within the wireless communication system.

Abstract: Disclosed are an all-solid-state battery including a reference electrode and a control method thereof. The all-solid-state battery includes the reference electrode located between an upper stack including one or more unit cells and a lower stack including one or more unit cells to determine potentials of electrodes in the all-solid-state battery so as to control driving of the all-solid-state battery.

Abstract: A light-emitting element transfer stamp can include a stamp substrate, an elastic part disposed on the stamp substrate, a pickup portion disposed on the elastic portion, and a damper part connected to the elastic part. A method for fabricating a display device using the light-emitting element transfer stamp is also discussed.