Abstract: The disclosure belongs to the technical field of additive manufacturing, and discloses a flexible piezoelectric sensor based on 4D printing. The sensor includes a magnetic part and a conductive part, wherein: the conductive part includes two substrates disposed opposite to each other and a spiral structure disposed between the two substrates. Both the two substrates and the spiral structure are made of conductive metal materials. The magnetic part has a flexible porous structure and is arranged between the two substrates to generate a magnetic field. When the two substrates are subjected to external pressure, the spiral structure and the magnetic part are compressed simultaneously, the magnetic flux passing through the spiral structure changes, and the voltage of the two substrates changes, by measuring the voltage change of the two substrates to reflect the change of external pressure, the pressure measuring process is achieved.

Abstract: A method for preparing a nano carbon dioxide agent and an application of the agent are disclosed. The method takes cationic surfactant modified bentonite as a carrier, and the CO2 nano agent prepared by loading cationic surfactant modified chitosan, graphene oxide and organic alkali modified hydrotalcite has the photocatalytic effect of nano materials, which can enhance photosynthesis, increase photosynthetic rate, inhibit light respiration at night, synthesize chlorophyll for crop growth, accumulate three essential elements of carbon, hydrogen and oxygen for crop growth, effectively absorb, synthesize and transform organic components such as nitrogen, phosphorus and potassium in soil, fully promote the gestation, growth and maturity of crops, and increases production and income. The CO2 capture agent of the disclosure can be used for both facility crops and field crops, and the CO2 capture agent under normal temperature and pressure has wide application.

Abstract: An electrode sheet, a battery cell, and a battery are provided. The electrode sheet includes an electrode sheet body. The electrode sheet body includes a first side edge and a second side edge connected. A connection position between the first side edge and the second side edge is provided with a first chamfer. The first chamfer includes a first arc segment and at least one first transition segment. The first arc segment is connected to the first side edge and/or the second side edge through the at least one first transition segment. The first arc segment protrudes toward a direction away from a center of the electrode sheet body.

Abstract: A method of treating cancer in a subject includes administering to the subject a therapeutically effective amount of a compound, the small molecule having a general formula: A-L-X—Z (I).

Abstract: The invention introduces a lattice current collector with both functions of strain sensing and high-temperature circuit breaking and a manufacturing method thereof. The method includes: S1: constructing a model of a three-dimensional lattice substrate; S2: taking a mixed powder as a raw material, performing printing according to the constructed model of the three-dimensional lattice substrate based on additive manufacturing technology to obtain the three-dimensional lattice substrate, the mixed powder including a flexible polymer powder and a permanent magnetic powder; S3: performing surface treatment on the three-dimensional lattice substrate, preparing a liquid metal, and transferring the liquid metal to a surface of the three-dimensional lattice substrate to form a conductive network; S4: magnetizing the three-dimensional lattice substrate to obtain a magnetic three-dimensional lattice substrate current collector, i.e.

Abstract: When target data is to be accessed, a computing node determines whether the target data meets a computing pushdown condition. When the target data meets the computing pushdown condition, send a data access request to a storage node. After receiving the data access request, the storage node obtains a dataset to which the target data belongs, performs the computing service based on the computing indication, accesses the target data in the dataset, and feeds back an access result to the computing node.

Abstract: A method of inducing HEXIM1 expression in cells of a subject includes administering to the cells a compound having the formula, and pharmaceutically acceptable salts thereof.

Abstract: The present disclosure provides a superconducting power generation device and a power generation method. The device includes a superconductor, a conductive coil, a permanent magnet and a cooling medium. When ambient temperature is lower than its superconducting critical temperature, the superconductor, made of the second-type superconducting material, is capable of generating a magnetic levitation force to an outer permanent magnet and levitate it. When an external force is applied to the permanent magnet, its position changes compared to the conductive coil, which affects the magnetic flux passing through the coil and induces the generation of electromotive force in the coil, thereby converting mechanical energy to electric energy.

Abstract: A lower surface of the printing platform is provided with a displacement device, and the displacement device is used to rotate the printing platform horizontally and adjust a pitch angle of the printing platform. The additive device is located above the printing platform and is connected to one end of the robotic arm, and the additive device is provided with a pressing roller. The robotic arm includes rotating joints used to drive the additive device to print and melt a fiber tow on the printing platform according to a predetermined path. The fiber pulling device is disposed on the printing platform to grab the reinforced fiber and make it cross-weave with the horizontally printed fiber tow on the horizontal plane. When working, the pressing roller is always perpendicular to the printing platform to press the melted fiber tow and the reinforced fiber cross-woven with the fiber tow.

Abstract: The disclosure belongs to the technical field of additive manufacturing, and discloses a flexible piezoelectric sensor based on 4D printing. The sensor includes a magnetic part and a conductive part, wherein: the conductive part includes two substrates disposed opposite to each other and a spiral structure disposed between the two substrates. Both the two substrates and the spiral structure are made of conductive metal materials. The magnetic part has a flexible porous structure and is arranged between the two substrates to generate a magnetic field. When the two substrates are subjected to external pressure, the spiral structure and the magnetic part are compressed simultaneously, the magnetic flux passing through the spiral structure changes, and the voltage of the two substrates changes, by measuring the voltage change of the two substrates to reflect the change of external pressure, the pressure measuring process is achieved.

Abstract: A method of treating cancer in a subject includes administering to the subject a therapeutically effective amount of a compound, the small molecule having a general formula: A-L-X—Z (I).

Abstract: The disclosure belongs to the technical field of additive manufacturing, and discloses a flexible piezoelectric sensor based on 4D printing and a preparation method thereof. The sensor includes a magnetic part and a conductive part, wherein: the conductive part includes two substrates disposed opposite to each other and a spiral structure disposed between the two substrates. Both the two substrates and the spiral structure are made of conductive metal materials. The magnetic part has a flexible porous structure and is arranged between the two substrates to generate a magnetic field. When the substrate is subjected to external pressure, the spiral structure and the magnetic part are compressed simultaneously, the magnetic flux passing through the spiral structure changes, and the voltage of the two substrates changes, by measuring the voltage change of the two substrates to reflect the change of external pressure, the pressure measuring process is achieved.

Abstract: The present invention provides composites with controllable superhydrophilic and superhydrophobic performances, a 3D printing method and 3D printed parts. The composites with controllable superhydrophilic and superhydrophobic interface performances comprise hydrophobic powder and/or hydrophilic powder and jointing phase powder, wherein the jointing phase powder is thermoplastic polymers. The present invention can print the parts with a continuous wettability change from superhydrophilic to superhydrophobic performances by regulating the mass percentage of the hydrophobic powder, the hydrophilic powder and the jointing phase powder. Furthermore, the present invention can prepare the models with various shapes according to different application scenes, and regulate the interface wettability performances of the models.

Abstract: The present invention provides composites with controllable superhydrophilic and superhydrophobic performances, a 3D printing method and 3D printed parts. The composites with controllable superhydrophilic and superhydrophobic interface performances comprise hydrophobic powder and/or hydrophilic powder and jointing phase powder, wherein the jointing phase powder is thermoplastic polymers. The present invention can print the parts with a continuous wettability change from superhydrophilic to superhydrophobic performances by regulating the mass percentage of the hydrophobic powder, the hydrophilic powder and the jointing phase powder. Furthermore, the present invention can prepare the models with various shapes according to different application scenes, and regulate the interface wettability performances of the models.

Abstract: A method of inducing HEXIM1 expression in cells of a subject includes administering to the cells a compound having the formula, and pharmaceutically acceptable salts thereof.

Abstract: A method for preparing a nano carbon dioxide agent and an application of the agent are disclosed. The method takes cationic surfactant modified bentonite as a carrier, and the CO2 nano agent prepared by loading cationic surfactant modified chitosan, graphene oxide and organic alkali modified hydrotalcite has the photocatalytic effect of nano materials, which can enhance photosynthesis, increase photosynthetic rate, inhibit light respiration at night, synthesize chlorophyll for crop growth, accumulate three essential elements of carbon, hydrogen and oxygen for crop growth, effectively absorb, synthesize and transform organic components such as nitrogen, phosphorus and potassium in soil, fully promote the gestation, growth and maturity of crops, and increases production and income. The CO2 capture agent of the disclosure can be used for both facility crops and field crops, and the CO2 capture agent under normal temperature and pressure has wide application.

Abstract: The present disclosure is related to systems and methods for image processing. The method may include obtaining an image including at least one of a first type of artifact or a second type of artifact. The method may include determining, based on a trained machine learning model, at least one of first information associated with the first type of artifact or second information associated with the second type of artifact in the image. The trained machine learning model may include a first trained model and a second trained model. The first trained model may be configured to determine the first information. The second trained model may be configured to determine the second information. The method may include generating a target image based on at least part of the first information and the second information.

Abstract: A reusable mechanism is disclosed for coupling two robotic appendages, such that an unintended force acting against a side of one of the appendages may decouple the appendages. The mechanism includes a revolved male dovetail mated to a revolved female dovetail. The mechanism may further include a channel within the male dovetail and a detent that inhibits rotation of the male dovetail in relation to the female dovetail.

Abstract: A reusable mechanism is disclosed for coupling two robotic appendages, such that an unintended force acting against a side of one of the appendages may decouple the appendages. The mechanism includes a revolved male dovetail mated to a revolved female dovetail. The mechanism may further include a channel within the male dovetail and a detent that inhibits rotation of the male dovetail in relation to the female dovetail.

Abstract: A positioning method, a related apparatus, and a related device, can be applied to vehicle self-driving in the artificial intelligence field A positioning device corrects a low-precision first pose by using N first geometric features extracted from first point cloud data collected by a point cloud collection apparatus to obtain a high-precision second pose. Compared with point cloud data in the prior art, a geometric feature with a small data volume is used for positioning to greatly reduce a data operation amount so that time consumption of vehicle positioning is reduced, and real-time performance of positioning is enhanced.