Abstract: The invention concerns a method for analyzing cigarette leaf components based on fusion mapping, including the following steps: (1) Preparation of a cigarette sample to be analyzed and single-grade tobacco leaf samples; (2) Construction of a fusion map for the cigarette sample to be analyzed and the single-grade tobacco leaf samples; (3) Analysis of the fusion map to obtain the composition and proportion of the tobacco leaves in the cigarette to be analyzed. The method can complete the analysis of the composition of finished cigarettes in a few minutes, and can obtain a clear formula composition and proportion values. It is objective, efficient, highly sensitive, and has good repeatability. It has unique advantages in the analysis of finished cigarette compositions in the tobacco industry.

Abstract: An off-screen display control method, an electronic device, and a computer-readable storage medium. The off-screen display control method includes: enabling a face detection function when a display screen of an electronic device is in an off-screen state and obtaining image data through a front camera; determining, by the electronic device, that the image data includes a part or the entire of a face image, and displaying an off-screen display interface on the display screen; and determining, by the electronic device, that the image data does not include a part or the entire of a face image, and maintaining the off-screen state on the display screen.

Abstract: A power supply device and a control method for the same are disclosed. The method comprises: controlling, when there is the abnormal situation in the first input power supply, a first access point of a first relay and a third access point of the first relay to be disconnected, a second access point of the first relay and a fourth access point of the first relay to be disconnected, a common access point of a third relay and a second access point of the third relay to be connected, a common access point of a fourth relay and a second access point of the fourth relay to be connected, a first access point of a second relay and a third access point of the second relay to be connected, and a second access point of the second relay and a fourth access point of the second relay to be connected.

Abstract: Disclosed is a video generation method in the fields of deep learning, large models, natural language processing and computer vision. The video generation method includes: obtaining text information to be processed, and segmenting the text information to be processed into sentences to obtain target sentences; selecting video shots matching the target sentences respectively from video shots in a material library as candidate materials corresponding to the target sentences respectively; for the target sentences, performing the following processing respectively: determining a screening method corresponding to a target sentence according to a position of the target sentence in the text information to be processed, selecting a target material for generating a required target video from the candidate materials corresponding to the target sentence according to the screening method; and generating the target video based on the target materials corresponding to the target sentences, respectively.

Abstract: An off-screen display control method, an electronic device, and a computer-readable storage medium. The off-screen display control method includes: enabling a face detection function when a display screen of an electronic device is in an off-screen state and obtaining image data through a front camera; determining, by the electronic device, that the image data includes a part or the entire of a face image, and displaying an off-screen display interface on the display screen; and determining, by the electronic device, that the image data does not include a part or the entire of a face image, and maintaining the off-screen state on the display screen.

Abstract: A robot welding method based on semantic feature clustering; the method comprises: acquiring an image of a workpiece, and generating an image training sample set; performing semantic annotation on the image of the workpiece to generate a semantic training sample set; establishing a semantic clustering model, and training same by using the image training sample set and the semantic training sample set; by using the trained semantic clustering model, identifying an image of a workpiece to be welded, so as to obtain data of the workpiece to be welded; on the basis of the data of the workpiece to be welded and by using parameterized online programming, generating a welding program for the workpiece to be welded; and on the basis of the welding program, executing welding of the workpiece to be welded. By means of the robot welding method based on semantic feature clustering, neither teaching programming nor offline programming is required, thereby improving the precision, efficiency, universality and flexibility.

Abstract: Disclosed herein are anti-TIM-3 antibodies and antigen-binding fragments, polynucleotides encoding the antibodies and antigen-binding fragments, and pharmaceutical compositions comprising the antibodies and antigen-binding fragments. Uses of the anti-TIM-3 antibodies and antigen-binding fragments described herein in cancer treatment are also disclosed.

Abstract: Embodiments of the present disclosure provide methods and apparatuses in the field of beam management. Some embodiments receive a downlink control information (DCI), the DCI scheduling one or more data channel transmissions. Some embodiments determines, a receive beam based on a time duration for quasi co-location (QCL), a scheduling offset, and a minimum time offset. Some embodiments receive using the receive beam, data symbols from the one or more data channel transmissions scheduled by the DCI.

Abstract: The invention provides a preparation method of high-content Ganoderma lucidum ?-glucan and an efficient and rapid detection method thereof. The preparation method comprises ethanol-trypsin pretreatment of Ganoderma lucidum fruiting body in combination with ultrasonic-assisted alkaline hydrothermal extraction of ?-glucan from Ganoderma lucidum, and purifying ?-glucan by DEAE Sephadex A-25 Sephadex column chromatography using NAOH solution as a mobile phase, to obtain high purity (?90%) of Ganoderma lucidum ?-glucan. The detection method comprises placing the extracted ?-glucan in an autoclave and performing hydrolysis with ?-(1,3)-exo-glucanase and ?-glucosidase, and detecting and analyzing the content of the prepared ?-glucan by high pressure-acid enzymatic hydrolysis-HPLC method, using glucose as a standard. The preparation method of ?-glucan has high extraction ratio.

Abstract: An antenna device includes an insulating carrier and a first primary antenna having a first feeding-in section, a first auxiliary antenna having a second feeding-in section and a second grounding section, a second primary antenna having a third feeding-in section, a second auxiliary antenna having a fourth feeding-in section and a grounding face which are provided on a face of the carrier. The first primary and auxiliary antennas and the second primary and auxiliary antennas are positioned at two side edges of the carrier which are away from each other. The grounding face is positioned between both the first primary and auxiliary antennas and the second primary and auxiliary antennas. The grounding face is provided with a first grounding section adjacent to the first feeding-in section, a third grounding section adjacent to third feeding-in section and a fourth grounding section adjacent to the fourth feeding-in section.

Abstract: A dual-mode combined control method for a multi-inverter system based on a double split transformer is provided. For an extremely-weak grid, the method provides the dual-mode combined control method for a multi-inverter system based on a double split transformer. According to the method, the equivalent grid impedance at a point of common coupling (PCC) of one grid-connected inverter (GCI) in the multi-inverter system based on the double split transformer is obtained with a grid impedance identification algorithm, and the system sequentially operates in a full current source mode, a hybrid mode, and a full voltage source mode according to a gradually increasing equivalent grid impedance, thereby effectively improving the stability of the multi-inverter system based on the double split transformer during variation of the strength of the grid. The method ensures that the system can still operate stably in the extremely-weak grid.

Abstract: The invention provides a preparation method of high-content Ganoderma lucidum ?-glucan and an efficient and rapid detection method thereof. The preparation method comprises ethanol-trypsin pretreatment of Ganoderma lucidum fruiting body in combination with ultrasonic-assisted alkaline hydrothermal extraction of ?-glucan from Ganoderma lucidum, and purifying ?-glucan by DEAE Sephadex A-25 Sephadex column chromatography using NAOH solution as a mobile phase, to obtain high purity (?90%) of Ganoderma lucidum ?-glucan. The detection method comprises placing the extracted ?-glucan in an autoclave and performing hydrolysis with ?-(1,3)-exo-glucanase and ?-glucosidase, and detecting and analyzing the content of the prepared ?-glucan by high pressure-acid enzymatic hydrolysis-HPLC method, using glucose as a standard. The preparation method of ?-glucan has high extraction ratio.

Abstract: A stability control method for a virtual synchronous generator (VSG) in a strong grid based on an inductance-current differential feedback is provided. A grid-connected topological structure of a VSG using the control method includes a direct-current (DC)-side voltage source, a three-phase inverter, a three-phase grid impedance and a three-phase grid. By controlling the VSG and controlling the inductance-current differential feedback, the method suppresses the oscillation of the output power from the VSG in the strong grid and implements the stable operation of an inner-loop-free VSG in the strong grid, without adding the physical inductance, increasing the cost of the filter and additionally providing a grid-side current sensor.

Abstract: Provided is a method for producing a target DNA sequence and a cloning vector. The method includes the step of amplifying and extracting a DNA construct in a host cell, and a three-step thermostatic enzyme reaction step of protelomerase-IIS type restriction endonuclease and/or meganuclease-DNA exonuclease catalysis, wherein the construct is autonomously replicated and contains (a) one or more IIS type restriction endonuclease and/or meganuclease recognition sequences; (b) the target DNA sequence; and (c) protelomerase recognition sequences at lateral wings of two ends of the target DNA sequence.

Abstract: In certain aspects, a three-dimensional (3D) memory device includes a stack structure including interleaved conductive layers and dielectric layers and having a core array region and a staircase region in a plan view, one or more channel structures each extending through the core array region of the stack structure, and one or more contact structures each extending through the stack structure, wherein each of the one or more contact structures includes a head portion and a body portion, and a width of the head portion of the respective contact structure is larger than that of the body portion of the respective contact structure.

Abstract: Disclosed herein are anti-TIM-3 antibodies and antigen-binding fragments, polynucleotides encoding the antibodies and antigen-binding fragments, and pharmaceutical compositions comprising the antibodies and antigen-binding fragments. Uses of the anti-TIM-3 antibodies and antigen-binding fragments described herein in cancer treatment are also disclosed.

Abstract: A power supply device and a control method for the same are disclosed. The method comprises: controlling, when there is the abnormal situation in the first input power supply, a first access point of a first relay and a third access point of the first relay to be disconnected, a second access point of the first relay and a fourth access point of the first relay to be disconnected, a common access point of a third relay and a second access point of the third relay to be connected, a common access point of a fourth relay and a second access point of the fourth relay to be connected, a first access point of a second relay and a third access point of the second relay to be connected, and a second access point of the second relay and a fourth access point of the second relay to be connected.

Abstract: The present invention relates to the development of novel immunoassays for the detection of neutralizing antibodies and/or high avidity neutralizing antibodies to SARS-CoV-2 spike protein variants or fragments thereof and, optionally, one or more cytokine in patient samples. Novel multiplex and singleplex immunoassays for the detection of neutralizing antibodies and/or high avidity neutralizing antibodies to SARS-CoV-2 spike protein variants or fragments thereof and, optionally, one or more cytokine in patient samples are also provided.

Abstract: A laundry detergent composition including a dye fixative and an amine oxide. The laundry detergent composition characterized by the combination of the dye fixative and the amine oxide enables an improved color protection for colored fabrics.

Abstract: A laundry detergent composition contains a dye fixative and an amine-based surfactant.