Abstract: Disclosed are an electronic expansion valve and a refrigeration system. The electronic expansion valve includes: a valve seat provided with an inlet, an outlet and a communication channel in communication with the inlet and the outlet; an actuator movably mounted in the valve seat, wherein the actuator is provided with a first position to block the communication channel and a second position to avoid the communication channel; and a driving mechanism connected with the actuator to drive the actuator to move between the first position and the second position, wherein the driving mechanism includes noise reduction members to reduce noise of the electronic expansion valve.

Abstract: The disclosure provides a valve core assembly and an electronic expansion valve having the valve core assembly. The valve core assembly includes: a valve head, herein an inner wall surface of the valve head is provided with a flange portion which is inwardly protruded, and the flange portion is configured to divide an inner cavity of the valve head into an upper cavity body and a lower cavity body; a screw penetrating into the valve head; and an annular member sleeved at a lower end of the screw and located in the lower cavity body, herein an upper end face of the annular member is in contact with a lower end face of the flange portion. Herein the flange portion is provided with a balancing channel, and the balancing channel connects the upper cavity body and the lower cavity body.

Abstract: An electronic expansion valve (1-100) is provided. The electronic expansion valve (1-100) includes: a screw (1-31), a valve needle (1-22), and an elastic member (1-25). One end of the elastic member (1-25) acts on the screw (1-31) and the other end acts on the valve needle (1-22). A bearing (1-23) is arranged between the screw (1-31) and the valve needle (1-22). The bearing (1-23) has an inner ring and an outer ring. One of the screw (1-31) and the valve needle (1-22) is fixed with the inner ring of the bearing (1-23), and the other acts on the outer ring of the bearing (1-23) through the elastic member (1-25). An air conditioning system using the electronic expansion valve (1-100) is provided. In the electronic expansion valve (1-100), the bearing (1-23) is arranged between the valve needle (1-22) and the screw (1-31).

Abstract: An agricultural multifunctional carbon dioxide controller, comprising a master machine which is capable of carrying out Bluetooth signal transmission with an external display. A slave machine and a power plug are connected to the master machine, the master machine is connected to the slave machine by means of a network line, and the master machine is connected to the power plug by means of a power line; a connectable fan, a power supply system or another external device are connected to the power line in parallel; and the master machine can read data measured by the slave machine in real time and can control the fan, the power supply system and the slave machine.

Abstract: Methods, apparatus, and storage medium for determining a condition of a biostructure by a neural network based on quantitative imaging data (QID) corresponding to an image of the biostructure. The method includes obtaining specific quantitative imaging data (QID) corresponding to an image of a biostructure; determining a context spectrum selection from context spectrum including a range of selectable values by: applying the specific QID to an input layer of a context-spectrum neural network, wherein the context-spectrum neural network is trained, according to a combination of focal loss and dice loss, based on previous QID and constructed context spectrum data associated with the previous QID; mapping the context spectrum selection to the image to generate a context spectrum mask for the image; and determining a condition of the biostructure based on the context spectrum mask.

Abstract: A determination device of an embodiment includes a processor configured to execute computer-readable instructions to perform acquiring a primary determination result of a surrounding environment determined based on a first surroundings image of a vehicle and a certainty degree of the primary determination result, performing secondary determination of the primary determination result based on both a comparison result between the certainty degree and a preset threshold value and a past primary determination result of a surroundings image of the vehicle captured in the past earlier than the first surroundings image, and to outputting a secondary determination result having higher accuracy than the primary determination result.

Abstract: An electronic expansion valve, the electronic expansion valve includes: a housing (10), wherein the housing (10) is provided with an accommodating cavity (11) and a valve cavity (12), the valve cavity (12) is used for communicating with a pipeline, the housing (10) includes a valve seat (14), and the valve cavity (12) is disposed in the valve seat (14); a valve core assembly (20), movably disposed in the housing (10); and a guide seat (30), wherein the guide seat (30) is located between the accommodating cavity (11) and the valve cavity (12), a balance channel (40) is provided between the guide seat (30) and the valve seat (14), one end of the balance channel (40) is in communication with the accommodating cavity (11), and the other end of the balance channel (40) is in communication with the valve cavity (12).

Abstract: Disclosed are an electronic expansion valve and a refrigeration system. The electronic expansion valve includes: a valve seat provided with an inlet, an outlet and a communication channel in communication with the inlet and the outlet; an actuator movably mounted in the valve seat, wherein the actuator is provided with a first position to block the communication channel and a second position to avoid the communication channel; and a driving mechanism connected with the actuator to drive the actuator to move between the first position and the second position, wherein the driving mechanism includes noise reduction members to reduce noise of the electronic expansion valve.

Abstract: An electronic expansion valve (1-100) is provided. The electronic expansion valve (1-100) includes: a screw (1-31), a valve needle (1-22), and an elastic member (1-25). One end of the elastic member (1-25) acts on the screw (1-31) and the other end acts on the valve needle (1-22). A bearing (1-23) is arranged between the screw (1-31) and the valve needle (1-22). The bearing (1-23) has an inner ring and an outer ring. One of the screw (1-31) and the valve needle (1-22) is fixed with the inner ring of the bearing (1-23), and the other acts on the outer ring of the bearing (1-23) through the elastic member (1-25). An air conditioning system using the electronic expansion valve (1-100) is provided. In the electronic expansion valve (1-100), the bearing (1-23) is arranged between the valve needle (1-22) and the screw (1-31).

Abstract: A system generates a context mask based on quantitative image data. The system obtains the quantitative image data which was captured via a quantitative imaging of a sample. The quantitative image data is compared to previous quantitative image data through application of the quantitative image data to a neural network trained using the previous quantitative image data and corresponding constructed context masks. The comparison generates the context mask for the quantitative image data. The context mask provides context for the quantitative parameter values that facilities characterization of the sample.

Abstract: A cover assembly and a battery comprising the same are provided. The cover assembly comprises: a cover plate body formed with at least a via hole penetrating therethrough; a cover plate connecting member hermetically connected with the cover plate body at the via hole, which is formed with an electrode receiving hole therein; and an electrode terminal penetrating through the electrode receiving hole to be hermetically connected with and insulated from the cover plate connecting member for leading out a current.

Abstract: An electrode terminal, a cover assembly and a battery comprising the cover assembly are provided. The electrode terminal comprises: a terminal pole portion, and a pole cap portion formed on an end of the terminal pole portion, and a buffering structure disposed on a surface of the pole cap portion facing to the terminal pole portion.

Abstract: An electrode terminal, a cover assembly and a battery comprising the cover assembly are provided. The electrode terminal comprises: a terminal pole portion, and a pole cap portion formed on an end of the terminal pole portion, and a buffering structure disposed on a surface of the pole cap portion facing to the terminal pole portion.

Abstract: A cover assembly and a battery comprising the same are provided. The cover assembly comprises: a cover plate body formed with at least a via hole penetrating therethrough; a cover plate connecting member hermetically connected with the cover plate body at the via hole, which is formed with an electrode receiving hole therein; and an electrode terminal penetrating through the electrode receiving hole to be hermetically connected with and insulated from the cover plate connecting member for leading out a current.

Abstract: A type of stacked lithium ion secondary battery is disclosed. Therein, the positive electrode is formed by smearing an active material on the surface of an aluminum foil body, where said active material includes lithium with attachable and detachable lithium ions and compound oxide(s) of transition metals; and a strip extending from said aluminum foil body is used as the conductor of the positive electrode. The negative electrode is formed by smearing an active material on the surface of a copper foil body, where said active material includes carbon material capable of attaching and detaching lithium ions; and a strip extending from said copper foil body is used as the conductor of the negative electrode. The positive and negative electrodes in plate form are arranged and stacked on the two sides of the separator forming said electrode core.