Abstract: Disclosed is a high anticoagulation ECMO and extracorporeal circulation consumable, which include the following preparation methods: S1, aminating the surface of ECMO blood circulation device and extracorporeal circulation consumables; S2, activating heparin groups; S3, heparinizing the ECMO blood circulation device and extracorporeal circulation consumables; S4, modification of enhancer. The application can produce a novel high anticoagulation extracorporeal circulation tube with low price and high biocompatibility, which expands the application in clinic.

Abstract: A full-face shaft tunnel boring machine system includes a tunnel boring machine cutterhead device for tunneling downwards in a shaft; a full-hydraulic formwork device for supporting and walling in a wellbore; and an upper muck-discharge system for vertically conveying rock mucks generated by tunneling. The tunnel boring machine cutterhead device comprises a vertical guide frame, a cutter-expanded boring head and an advanced cutterhead that are fixedly connected in a vertical order from top to bottom so as to form an integrated structure. The vertical guide frame is a hollow cylindrical structure and driven to rotate around an axis of the vertical guide frame by a power mechanism, and an outer wall of the vertical guide frame is provided with multiple sets of first guide rollers.

Abstract: A circuit board and a method for electrical performance detection thereof, a display panel, a method for fabricating a display panel, and a method for driving the display panel are provided. In the electrical performance detection, the signal output terminal is electrically connected to the detection terminal, and detection is performed on the drive signal by the electrical performance detection circuit to determine whether the circuit board is abnormal, achieving the electrical performance detection of the circuit board. In addition, in a process other than the electrical performance detection, the signal output terminal is disconnected from the detection terminal to avoid affecting a normal operation of the circuit board. The electrical performance detection of the circuit board is realized, a defective circuit board is prevented from flowing into a subsequent fabricating procedure, and waste of assembling resources is avoided.

Abstract: Disclosed are a welding method for a photovoltaic cell and a photovoltaic module. The photovoltaic cell includes a first cell and a second cell that are adjacent to each other and welded to each other by a solder strip. The welding method includes providing a substrate of each of the first cell and the second cell, and providing a first solder layer at a preset position of the substrate where an electrode pad of the substrate is located; and lapping one end of the solder strip on the first solder layer of the first cell, lapping another end of the solder strip on the first solder layer of the second cell, and connecting the first cell and the second cell together by welding.

Abstract: An integrated process and system for measurement and treatment of toxic gases in deep natural gas.

Abstract: The present disclosure belongs to the field of immune technology, and particularly discloses a SARS-CoV-2 RBD-specific monoclonal antibody including a heavy chain having an amino acid sequence set forth in SEQ ID NO: 1 and a light chain having an amino acid sequence set forth in SEQ ID NO: 2. The present disclosure further discloses a linear epitope of the SARS-CoV-2 RBD-specific monoclonal antibody having an amino acid sequence set forth in SEQ ID NO: 3. The SARS-CoV-2 RBD-specific monoclonal antibody and the linear epitope thereof of the present disclosure are critical for research and development of vaccines and micromolecule drugs, diagnosis, prevention and treatment of COVID-19.

Abstract: A display panel, a motherboard, and a mini LED display device. The display panel includes: a panel edge extending along a first direction, and a display region and a test region. The test region is between the display region and the panel edge and includes test pads. At least two test pads are arranged along the first direction, adjacent ones of which are spaced by at least two first electrostatic discharge protection wires extending from one side of the display region adjacent to the test region to the panel edge. Each first electrostatic discharge protection wire includes a first line segment located between two adjacent test pads and a second line segment adjacent to the panel edge. A distance between adjacent first line segments between two adjacent test pads in the first direction is less than a distance between adjacent second line segments in the first direction.

Abstract: Provided are the use of a detection reagent for detecting the methylation of genes associated with colorectal cancer, and a kit. The kit comprises the detection reagent for detecting the methylation of genes associated with colorectal cancer.

Abstract: The application relates to a drive substrate, light-emitting panel and display device. The drive substrate is configured to drive a light-emitting element. The drive substrate includes a light-emitting area and a frame area surrounding at least a part of the light-emitting area. The drive substrate includes a substrate; and a device layer disposed on the substrate, the device layer including a pixel drive circuit disposed in the light-emitting area, and an electrostatic discharge circuit, a first signal line and a second signal line disposed in the frame area, the first signal line being electrically connected to at least one of the pixel drive circuit and the light-emitting element, and the second signal line being electrically connected to the electrostatic discharge circuit; wherein the second signal line is disposed on a side of the first signal line away from the light-emitting area and is spaced from the first signal line.

Abstract: Provided are a data processing method for a dialogue system, an apparatus, a device and a medium. The method includes: obtaining a pre-configured task description, wherein the task description comprises at least one task name and at least one task attribute corresponding to a respective task name; extracting, based on a reading comprehension technique, an answer corresponding to the task description from content of a current dialogue with a user; and completing the dialogue with the user according to the answer and a pre-generated dialogue flow.

Abstract: The present disclosure provides a preparation method of a surimi low-molecular-weight antifreeze peptide, and relates to the technical field of processing of aquatic products. The preparation method includes the following steps: step 1, with Larimichthys crocea as a raw material, decapitating and gutting the L. crocea, crushing the L. crocea into a surimi, decalcifying the surimi, extracting water-soluble crude protein with water, and freeze-drying to obtain the water-extracted crude protein powder of L. crocea; step 2, redissolving the water-extracted crude protein powder of L. crocea obtained in step 1 with water, and enzymatically hydrolyzing it with protease to obtain an enzymatic hydrolysate; and step 3, sonicating and dialyzing the enzymatic hydrolysate obtained in step 2 to obtain a dialysate with a molecular weight no more than 3,500 D, and freeze-drying the dialysate to obtain the surimi low-molecular-weight antifreeze peptide.

Abstract: The present disclosure relates to a new polypeptide complex. Specifically, the present disclosure relates to a domain engineered antibody. At least one of the constant region domains CH1 and/or CL of the antibody is replaced, and the domain CH1/CL is replaced by a Titin T chain/Obscurin-O chain or by a Titin T chain/Obscurin-like-O chain.

Abstract: A heavy metal detector includes a housing composed of a top cover and a base, and a main machine and an electrolysis module arranged in the housing, wherein the main machine includes a main machine circuit, and the main machine circuit includes a main controller, a power supply module, a signal acquisition and processing module, an electrolysis module interface and a signal conversion module. The electrolysis module interface is configured to connect the electrolysis module and the signal acquisition and processing module; the signal acquisition and processing module is configured to receive a characteristic electrical signal output by the electrolysis module, and output a detection result to the main controller; and the main controller displays the detection result on a display module. Multiple electrolysis module interfaces are provided. The base is provided with a plurality of electrolysis module installation ports and stirring devices corresponding to the electrolysis module installation ports.

Abstract: A model training method, a method and an apparatus for human-machine interaction. The method includes: acquiring a sample set corresponding to a template; constructing positive example pairs and negative example pairs for a contrastive learning task based on the sample set; performing contrastive learning training on a pre-training model based on the positive example pairs and the negative example pairs for the contrastive learning task.

Abstract: A message processing method can help protect confidential information, or other information that one desires not to disclose, from being disclosed, spread, or leaked, and improve the security of such protected information. A chat interface comprising at least one chat message is displayed. A target operation instruction is received that indicates a target operation that is to be executed on a target chat message. The target operation is executed in response to the target operation instruction. Protection processing on the protected content is performed when the target chat message includes a protected content, thereby protecting the information from being further disclosed and improving security of the information.

Abstract: A semantic understanding method, includes: acquiring a query statement and a preceding dialogue; rewriting the query statement based on a preset rule to generate a target query statement if it is recognized that the query statement meets a rule rewriting condition according to the query statement and the preceding dialogue; rewriting the query statement based on a rewriting model to generate the target query statement if it is recognized that the query statement does not meet the rule rewriting condition according to the query statement and the preceding dialogue; and performing intention recognition according to the target query statement to generate an intention recognition result.

Abstract: A method for processing a question is performed by an electronic device. The method includes: receiving a question to be processed from a user input; determining a first similarity between the question to be processed and each candidate question in at least one reference question-answer (Q&A) pair; determining a second similarity between the question to be processed and the at least one reference Q&A pair based on the first similarity; determining a target Q&A pair from the at least one reference Q&A pair based on the second similarity; and replying to the user for the question to be processed based on a target answer in the target Q&A pair.

Abstract: The disclosure provides methods for analyzing Adeno-Associated Vims (AAV) vectors. More particularly, the disclosure relates to capillary electrophoresis methods for separating, characterizing, and quantifying AAV vectors as having a full length exogenous polynucleotide, having an exogenous polynucleotide fragment, or lacking any exogenous polynucleotide. In one method, the analysis uses capillary isoelectric focusing (cIEF) on a sample comprising viral vectors containing exogenous polynucleotide under conditions and for a duration sufficient to separate the viral vectors based on the isoelectric point (pI) of each viral vector.

Abstract: Provided is a solar cell and a solar cell module. The solar cell includes a converging busbar. The converging busbar separates a first surface of the solar cell into a first region and a second region. The first region includes a plurality of first sub-busbars spaced along a first direction and a plurality of main busbars spaced along a second direction, and the main busbar is electrically connected to the first sub-busbar. The second region includes a plurality of second sub-busbars spaced along a third direction. The converging busbar is located between the first region and the second region, and is electrically connected to the plurality of main busbars and the plurality of second sub-busbars.

Abstract: Provided are a display panel and a display device. The display panel includes a pixel driver circuit. The pixel driver circuit includes a light-emitting module, a drive transistor and at least one light-emitting control transistor. The drive transistor, the light-emitting control transistor and the light-emitting module are connected in series between a first power supply signal terminal and a second power supply signal terminal, and at least one of the drive transistor or the light-emitting control transistor is a first double-gate transistor. The first double-gate transistor includes a first gate, a second gate and a first source, and the second gate is electrically connected to the first source.