Abstract: The present disclosure relates to the field of materials for uranium extraction from seawater (UES), and in particular, to a photothermal photocatalytic membrane for seawater desalination and uranium extraction and a preparation method therefor. The present disclosure provides a photothermal photocatalytic membrane for seawater desalination and uranium extraction and a preparation method therefor. The preparation method includes: fixing a treated carbon cloth to a glass plate, pouring a casting solution 1 onto the carbon cloth to form a first layer of film, forming a second layer of film using a casting solution 2, and putting the second layer of film into a first coagulation bath and a second coagulation bath in sequence to form the photothermal photocatalytic membrane. The photothermal photocatalytic membrane is supported by the carbon cloth, and a surface of the photothermal photocatalytic membrane is of a micro-nano structure.

Abstract: A sampling device and method for evaluating ecological risk of soil in a high geological background area comprises an impact sampling mechanism, a soil layer stripping mechanism and an auxiliary support frame. The impact sampling mechanism comprises a sampling hopper with a downward opening. A connecting sliding rod is fixedly arranged on the top of the sampling hopper. An upper end of the connecting sliding rod is connected with an impact rod. The impact rod is internally provided with an impact hammer capable of reciprocating along an axis of the impact rod. The soil layer stripping mechanism comprises a stripping sliding cylinder in sliding fit with the connecting sliding rod, and a support disc. A plurality of stripping plates are connected to a lower side edge of the support disc in a sliding fit mode.

Abstract: A fluid management assembly and a thermal management system. The fluid management assembly has a first chamber and a first valve core located in the first chamber. The fluid management assembly has a throttle chamber. The first valve core has a conduction channel. The first chamber can communicate with other portions by means of a throttle channel or the conduction channel.

Abstract: A preparation method and a device for a seawater desalination-seawater extraction uranium membrane lining are provided. The preparation method is as follow: the lining is configured as a finished product for standby through the following process, including cleaning, drying, restoration of circular, generating burrs, fixing the length of burrs; the device includes the first module, the second module, the third module, the fourth module and the fifth module. The present invention has the advantages of simple operation, short time, low cost and obvious treatment effect, the bonding strength between the separation function layer and the lining is enhanced, and the separation function layer is not easy to fall off, the physical damage resistance is greatly increased, it is not easy to fall off and the initial bubble point pressure of the prepared enhanced film is high.

Abstract: A pre-lithiated silicon-based anode includes a silicon-based anode, lithium disposed on a surface or in an interior of the silicon-based anode, and a protective coating on the surface of the silicon-based anode. The pre-lithiated silicon-based anode allows subsequent processing to be performed safely in the atmosphere.

Abstract: A common voltage driving circuit, a display device, and an electronic device are provided. The common voltage driving circuit includes multiple scan lines and multiple common-voltage signal lines, and further includes multiple common electrode units arranged in an array. The multiple scan lines extend in a first direction and are arranged at intervals in sequence in a second direction perpendicular to the first direction. The multiple common-voltage signal lines extend in the second direction and are arranged at intervals in sequence in the first direction. The multiple common electrode units are disposed at intersections of the multiple scan lines and the multiple common-voltage signal lines respectively. Common electrode units in a same column are all electrically coupled with a same common-voltage signal line. Common electrode units in a same row are all electrically coupled with a same second scan line.

Abstract: An electronic expansion valve and a thermal management assembly. The electronic expansion valve has a valve port and a valve core. A valve body includes a first flow portion, a second flow portion, a first cavity and a second cavity. The first flow portion comprises a first connection section and a first subsection, and the first subsection is directly in communication with the first cavity. The second flow portion comprises a second connection section and a second subsection, and the second subsection is directly in communication with the second cavity. In a clockwise direction, an angle formed between at least one of the center line of the first subsection and the center line of the second subsection and the center line of the valve core is an acute angle.

Abstract: Base station antennas comprise a multi-column, multiband beamforming array that includes a first sub-array of first radiating elements, a second sub-array of second radiating elements and a third sub-array of third radiating elements. The first radiating elements are configured to operate in a first frequency band, the second radiating elements are configured to operate in a second frequency band, and the third radiating elements are configured to operate in both the first frequency band and the second frequency band. Each of the first through third sub-arrays has the same number of columns. A width of the first sub-array exceeds a width of the third sub-array, and a width of the third sub-array exceeds a width of the second sub-array.

Abstract: A sensor assembly and a valve device, the sensor assembly including a temperature sensing unit, a pressure sensing unit, a circuit unit, a housing and a connector. The housing is fixedly connected to a connector housing, and the pressure sensing unit and the circuit unit are limited between the bottom wall of the housing and the connector housing, thereby facilitating simplification of the structure and reducing production costs.

Abstract: A connecting device and an integrated assembly are provided. The connecting device comprises a reinforcing portion and a flow channel portion, wherein the reinforcing portion is in a fixed or limited arrangement with the flow channel portion. The connecting device is provided with a plurality of external interfaces which can be used for connecting to a system, and the flow channel portion comprises at least two modules and at least one interface portion; each module comprises a main body portion and a bottom plate, the main body portion is provided with recessed grooves on the side thereof close to the bottom plate, the main body portion of the first module is fixed to the bottom plate by means of welding to form at least two communicating portions, and each communicating portion comprises a space where a corresponding groove is located.

Abstract: A base station antenna that may include radiating elements having tilted dipoles. For example, a base station antenna may include a reflector and a plurality of radiating elements, each radiating element mounted on the front surface of the reflector and having a support stalk and at least one dipole mounted to the support stalk. The radiating elements include a plurality of first radiating elements configured to operate in a first operating frequency band, and arranged in one or more first columns extending along a first direction; and a plurality of second radiating elements, configured to operate in a second operating frequency band different from the first operating frequency band, and arranged in one or more second columns extending along the first direction. At least one dipole of a first of the second radiating elements in at least one of the second columns is tilted around the first direction.

Abstract: A fluid management assembly. The fluid management assembly comprises a valve body, a first chamber, a second chamber, a first flow passage, a second flow passage, a third flow passage and a fourth flow passage, wherein the first flow passage, the second flow passage and the third flow passage have openings in an outer wall of the valve body; the valve body is provided with the second chamber, the second flow passage and a first passage; and the first passage can communicate the first chamber and the second chamber. The fluid management assembly is provided with a plurality of channels, the first chamber and the second chamber.

Abstract: Provided are an electric valve, a thermal management assembly, and an air conditioning system. The electric valve includes a valve body, a circuit board, and a sensor. The valve body has a passage, and the sensor is connected to the circuit board in at least one of an electric connection mode and a signal connection mode. The sensor is configured to detect at least one of a pressure or a temperature of a working medium in the passage. At least one of the valve body or a housing of the sensor includes a metal portion, and a reference ground of the circuit board is electrically connected directly or indirectly to the metal portion.

Abstract: Disclosed is a method for removing aluminum in a ternary battery material leachate by adopting an extraction method, which comprises the following steps: (1) saponification: mixing an extraction solvent with a saponifying agent to obtain a saponified extraction solvent; (2) extraction: mixing the ternary battery material leachate with the saponified extraction solvent to obtain a loaded organic phase and a raffinate; (3) back extraction: mixing the loaded organic phase with a back-extraction agent, followed by performing a back-extraction to obtain an organic phase and a back-extraction solution; the extraction solvent comprises an extracting agent and a diluent. The extraction method is adopted to separate nickel, cobalt, manganese and aluminum, having the advantages of less heavy metal entrainment, short process flow, and high metal recovery rate. The extraction rate of the aluminum can reach 97.42 percent.

Abstract: An electronic expansion valve and a manufacturing method therefor, a thermal management assembly and a cooling system are provided. The electronic expansion valve includes a valve core assembly, an electronic control part and a stator assembly. The valve core assembly includes a valve base, a valve core and a rotor assembly, wherein the valve base is provided with a valve port, and the valve core moves relative to the valve base to change the degree of opening of the valve port. The electronic control part controls the stator assembly, and the rotor assembly drives the valve core to move. The electronic expansion valve further includes a sensor, the electronic control part includes an electronic control board, and the stator assembly and the sensor are both directly electrically connected to the electronic control board. The thermal management assembly and the cooling system both include the electronic expansion valve.

Abstract: Provided are an electronic expansion valve, a manufacturing method thereof and a thermal management assembly. The electronic expansion valve includes a valve body, a valve component and a control portion. The valve component includes a valve seat, a valve core and a rotor assembly. The valve seat is formed with a valve port, the rotor assembly is capable of driving the valve core to move relative to the valve seat to adjust an opening degree of the valve port. The control portion includes a cover body, a stator assembly and an electric control board. The stator assembly is in electrical connection to, or is in signal connection to, or is in electrical connection to and in signal connection to the electric control board. The electronic expansion valve further includes a sensor. The control portion provided with a control cavity. The electric control board is disposed in the control cavity.

Abstract: A heat exchange apparatus and a manufacturing method therefor are disclosed. The heat exchange apparatus comprises a valve core part and a core body part. The valve core part is provided with a valve base part. The valve seat part is at least partly arranged in a first conduit. The valve base part is provided with a base section with a bottom opening and a middle section with a peripheral opening. The valve base part is provided with a throttling hole. The throttling hole is in communication with the peripheral opening and the bottom opening. The middle section is arranged on a sheet part and the peripheral opening is in communication with inter-sheets channels. The heat exchanging apparatus comprising a connecting element. The connecting element is at least partly inserted into the first conduit. The bottom opening is in communication with a connecting cavity.

Abstract: An electric valve and a thermal management system. The electric valve comprises a pressure sensing unit. The pressure sensing unit is connected to a valve seat, and the pressure sensing unit can sense the pressure characteristics of a working medium in a detection flow channel) and form a piezoelectric signal. An electric control portion comprises an electric control board. The piezoelectric signal forms, by means of a conditioning circuit, an electrical signal corresponding to a pressure. The electrical signal is used as a part for generating a signal for controlling a driving portion.

Abstract: A heat exchange device including a valve element component, a core body component and a connecting member having a first end and a second end, and the second end is provided with a welding section and an adjacent section; the core body component is provided with a welding matching portion; the welding section is welded to the welding matching portion, and the adjacent section is adjacent to the welding section; the outer diameter of the welding section is smaller than or equal to the inner diameter of the welding matching portion, and the outer diameter of the adjacent section is smaller than or equal to the inner diameter of the welding matching portion; and the distance between the end of the welding matching portion away from the valve element component and the end of the welding section away from the valve element component is larger than or equal to zero.

Abstract: Disclosed in embodiments of the present invention are a method and server for processing appliance demand information. One specific embodiment of the method comprises: obtaining appliance demand information, wherein the appliance demand information comprises the number of required appliances and an appliance delivery address; determining a matching appliance provider and a matching warehouse from a preset appliance information set according to the appliance delivery address in the obtained demand information; generating a demand order according to the obtained appliance demand information and the matching appliance provider; updating an available state of the appliance corresponding to the demand order in the appliance information set; and sending the demand order to a target electronic device corresponding to the matching warehouse.