Abstract: A method of a second communication node may comprise: obtaining a compensated first reception signal by performing channel estimation between a first communication node and a second communication node for a first transmission signal received from the first communication node; obtaining an offset-demodulated signal and a first demodulated bit sequence by performing offset-demodulation on the first reception signal; obtaining a frequency-domain signal by performing time-to-frequency domain transform on the offset-demodulated signal; obtaining a complex signal sequence by performing subcarrier deallocation on the frequency-domain signal; obtaining a second demodulated bit sequence by performing QAM demodulation on the complex signal sequence according to the first demodulated bit sequence; and obtaining a final demodulated bit sequence by performing reassembly on the first demodulated bit sequence and the second demodulated bit sequence.

Abstract: The present invention relates to a compound of Formula (I): [Formula should be inserted here] or a pharmaceutically acceptable salt, a pharmaceutically acceptable stereoisomer, a pharmaceutically acceptable hydrate, a pharmaceutically acceptable solvate, a prodrug, a polymorph, an N-oxide or a bioisostere thereof; wherein “R”, “Ar”, and “Het” are as defined in the specification, which can be used as a medicament or therapeutic agent in the prevention or treatment of a condition or a disease or a disorder where there is an advantage in inhibiting S. aureus or other Gram-positive bacteria.

Abstract: Provided are a mRNA vaccine composition with improved storage stability and a method of improving storage stability of the vaccine composition.

Abstract: An object of the present invention is to produce sterilized male individuals of marine fish. Another object of the present invention is to provide a method for preventing reproduction using the sterilized male individuals. The objects are achieved by using a method for producing the sterilized male individuals of marine fish, the method including: suppressing functional expression of at least one selected from a follicle-stimulating hormone receptor (FSHR) and a ligand thereof.

Abstract: Provided is an ultrasonic wave amplifier including a cavity structure for amplifying and outputting sound waves. The cavity structure may include an input opening through which the sound waves generated by the transducer are input, an inner wall forming a cavity in which the sound waves input through the input opening resonate, and an output opening through which the amplified sound waves are output, and when a first axis is defined as a line connecting a center of the input opening and a center of the output opening, the shape of the inner wall may be formed such that an area of the cavity in a cross section perpendicular to the first axis varies depending on a position on the first axis. Ultrasonic wave amplifier may further comprise an insertion structure disposed inside the cavity.

Abstract: A machining and positioning system for aerospace irregular parts and a discrete intelligent production line therefor are provided, which relates to the field of aerospace irregular part machining. In view of the problem that complex repeated positioning and poor positioning stability is required during the transportation and processing of aerospace irregular parts, a self-positioning device, a clamping device, and a support device are used to form a follow-up clamping and positioning system for the irregular part casing, reducing complex repeated positioning. The support block of the support device can fit to the inner wall of the casing, collect the support force using piezoelectric plates, and feedback and adjust the thrust of the support block based on the magnitude of the cutting radial force, maintaining stable support of the support block for the casing and meeting production needs.

Abstract: According to an aspect of the present disclosure, there is provided a method for estimating a total link service rate using packet metadata, the method comprising: extracting a packet satisfying a predetermined condition from each flow; extracting a link service rate from metadata of the extracted packet; and estimating a total link service rate based on the extracted link service rate, wherein the packet satisfying the predetermined condition is determined based on an estimation reference time and finish times of consecutive packets, and wherein the finish times indicates ideal transmission finish times of the packets.

Abstract: A method for extracting harmonic response from offshore wind turbine structure, including: F1, continuously collecting its acceleration response under non-operating conditions, obtaining the acceleration response signal of the tower under only environmental load, and cropping all collected signals into signal segments with a length of L; F2, using Fourier transform to convert all signal segments from the time domain to the frequency domain, obtaining the frequency spectrum of the signal P; F3, according to the maximum rotational speed P, either designed or recorded by the SCADA system, determining the maximum harmonic response frequency Fmax=N×P, 1?N?12 to be extracted, and cropping the individual frequency spectrum into three segments P1, P2, P3, corresponding to frequency ranges of 0˜F1, F1˜F2, F2˜F3, where the selected frequency F1 is not less than Fmax; F4, cropping all frequency spectra according to F3 to form a frequency spectral dataset D without harmonic excitation effects.

Abstract: The present invention discloses a rock sample extraction device, which comprises a downhole plate and a plurality of sampling components uniformly arranged on the downhole plate, wherein the sampling components are used for sampling rock samples in well areas with different depths, and each sampling component is used for sampling at the upper and lower ends of the same well area; each sampling component comprises anisotropic extraction cylinders arranged on the downhole plate and a power member arranged between the anisotropic extraction cylinders, and the power member drives the anisotropic extraction cylinders to perform telescopic movement in opposite directions, so that the anisotropic extraction cylinders can perform sampling operation when extending outwards.

Abstract: A method of manufacturing a current collector of an energy storage device includes the following. A substrate is provided. A modified layer is formed on the substrate using a microwave plasma chemical vapor deposition process. The modified layer includes nanographene and has a thickness of 1 nm to 500 nm. In the microwave plasma chemical vapor deposition process, a microwave frequency is 300 MHz to 300 GHz, a microwave power is 500 W to 75000 W, a temperature is 25° C. to 600° C., and a deposition time is less than 30 minutes. The microwave plasma chemical vapor deposition process includes the following. Inert gas or stable gas is passed in. Hydrocarbon gas and hydrogen are passed in. Microwaves are applied to generate plasma. The hydrocarbon gas and the hydrogen are ionized. Nanographene is formed on the substrate.

Abstract: Disclosed is a post-treatment method of a piezoelectric oxide single crystal substrate for suppressing pyroelectric properties of the substrate, and a method for manufacturing a lithium tantalate single crystal substrate using the same. According to one aspect of the present disclosure, there is provided a post-treatment method of a piezoelectric oxide single crystal substrate, the method including: loading at least one reducing agent and the single crystal substrate into a treatment device; and performing reduction treatment by heat treating the substrate while maintaining the inside of the treatment device in a preset environment, wherein the preset environment means that heat treatment is performed at a temperature of 200° C. to 400° C. under normal pressure.

Abstract: [ABSTRACT] The present disclosure relates to novel Lactobacillus sakei WIKIM0109 isolated from kimchi and a composition containing the same. The Lactobacillus sakei WIKIM0109 according to the present disclosure is a lactic acid bacterium having an activity of inhibiting IgG and IgG2a production in blood and an activity of inhibiting IFN-?, IL-17 and TNF-? production, and can be used in various applications, such as for preventing and ameliorating arthritis or improving intestinal regulation in human or animals.

Abstract: In some examples, a system can access video data collected from one or more image sensors, the video data showing a region of interest proximate to a machine. The system can execute an object detection model to detect that a person is within the region of interest proximate to the machine based on the video data. The system can detect a motion status of a component of the machine. The system can execute a pose estimation model on the video data to estimate a pose of the person with respect to the machine. The system can detect a safety rule violation based on the pose of the person with respect to the machine, and the motion status of the machine. The system can transmit a signal to a controller of the machine in response to detecting the safety rule violation.

Abstract: A method for producing a gas sensor comprising a step of providing a substrate with two coplanar electrodes and a step of forming a ZnO nanowires network on the two electrode. The step of forming a ZnO nanowires network on the two electrodes is performed as follows: synthesizing ZnO nanowires with a liquid phase sequential growth method; dispersing the synthetized nanowires in a solvent; drop casting the solution containing the solvent and the ZnO nanowires on the electrodes; drying the solution at a temperature inferior to 85° C. Also, a gas sensor working at low temperature such as room temperature.

Abstract: A method for rapid reconstruction of a food source habitat of Leucogeranus leucogeranus by using a returned farmland is provided, including following steps: S1, selecting degraded farmland plots; S2, constructing a connected plot network; S3, improving local soil habitat elements; S4, coating water chestnut bulbs; S5, cultivating the water chestnut bulbs; and S6, regulating and controlling and managing a hydrological environment.

Abstract: One aspect of the present invention discloses a terminal of a wireless communication system. The terminal comprises a communication module and a processor for controlling the communication module, wherein the processor generates a hybrid automatic repeat request (HARQ)-ACK codebook including one or more bits indicating whether reception of a channel or signal is successful, and transmits the HARQ-ACK codebook to a base station of the wireless communication system, wherein the HARQ-ACK codebook is generated on the basis of a slot corresponding to a value of an HARQ-ACK feedback timing parameter (K1) set in a sub-slot level, and each of bits configuring the HARQ-ACK codebook corresponds to at least one sub-slot form among a plurality of sub-slots included in the slot.

Abstract: A mixed ionic-electronic conductor (MIEC) in contact with a solid electrolyte includes a material having a bandgap less than 3 eV. The material includes an end-member phase directly connected to an alkali metal by a tie-line in an equilibrium phase diagram. The material is thermodynamically stable with a solid electrolyte. The MIEC includes plurality of open pores, formed within the MIEC, to facilitate motion of the alkali metal to at least one of store the alkali metal in the plurality of open pores or release the alkali metal from the plurality of open pores. The solid electrolyte has an ionic conductivity to ions of the alkali metal greater than 1 mS cm?1, a thickness less than 100 ?m, and comprises at least one of a ceramic or a polymer.

Abstract: Disclosed herein is a method and system for CO2 removal from a gas stream using a diamine solvent having a Formula I R1(R2)N-L1-NH—R3?? Formula I. With respect to Formula I, each of R1 and R2 independently is aliphatic, cycloaliphatic, or R1 and R2 together with the nitrogen to which they are attached, form a heterocyclyl ring; L1 is aliphatic, cycloaliphatic, or L1 and R1 together with the nitrogen to which they are attached form a heterocyclyl ring; and R3 is aliphatic, cycloaliphatic, cycloalkylalkyl, or alkoxyalkyl. And/or the compound may have a viscosity of less than 75 cP at a CO2-loading of 40 mol % and at a temperature of 40° C.

Abstract: The present application provides a method for obtaining strong focusing of an isochronous accelerator by varying the magnetic field gradient in a large radial range. The method is characterized by the main magnet of the isochronous accelerator providing not only a bending effect but also a focusing effect, equivalent to the effects of quadrupole, sextupole, and octupole magnets used in a synchrotron accelerator.

Abstract: A Floquet mode traveling wave parametric amplifier (TWPA) is disclosed. The Floquet mode TWPA comprises a plurality of stages, where each stage is made up of a nonlinear element and a shunt capacitor. The nonlinear elements may be Josephson junctions, or a combination of series and/or parallel Josephson junctions. The Floquet mode TWPA is designed such that the critical current of the nonlinear elements in each stage is not constant. In some embodiments, the ratio of the largest critical current to the smallest critical current in the Floquet mode TWPA is at least 2:1. In some embodiments, the nonlinear elements with the largest critical current are disposed at or near the input or output of the amplifier. In this way, reflections and backward amplification may be minimized. Further, the TWPA is formed using planar capacitors on a high resistivity substrate, or using low loss parallel plate capacitors.