Abstract: A motor parameter search system and a motor parameter search method are provided. The motor parameter search system includes a processing device and an input device. The processing device may execute a motor design parameter search engine to iteratively perform a parameter search operation based on a plurality of design parameters, a plurality of optimization objectives, a plurality of restriction conditions, and a plurality of historical recommended parameter combinations to generate a plurality of design parameter combinations. The design parameter combinations are sequentially input into a simulation software, so that the simulation software generates a plurality of simulation results. The processing device searches a plurality of historical simulation results in the database according to the plurality of optimization objectives to generate a recommended parameter combination.

Abstract: Disclosed is a recommendation system including a server that includes a recommendation model pre-trained based on past item histories of multiple users; and a user-item matrix predicted by the recommendation model. The server extracts, based on receiving a recommendation request, a first submatrix for approximating the recommendation model to a dedicated recommendation model for a target user from the predicted user-item matrix and transmit the first submatrix. The recommendation system includes an electronic device that provides the target user with a recommended item using the dedicated recommendation model trained based on a second submatrix generated by reprocessing the first submatrix based on an item history of the target user at a time of transmitting the recommendation request.

Abstract: The present application relates to a hydrogen production system, and a thermal management method and apparatus therefor. The hydrogen production system includes: at least two electrolytic cells; and a post-treatment device, the at least two electrolytic cells sharing the post-treatment device, and the post-treatment device including first electrolyte inflow branch pipes and second electrolyte inflow branch pipes, wherein the first electrolyte inflow branch pipes share a single cooling apparatus and are used for guiding a cold electrolyte into a corresponding electrolytic cell, and the second electrolyte inflow branch pipes are bypass branch pipes of the cooling apparatus and are used for guiding a hot electrolyte into a corresponding electrolytic cell. Compared with the prior art, embodiments of the present invention implement accurate control on the temperature of each electrolytic cell and improve system efficiency.

Abstract: A spliced display panel and a spliced display device are provided. In the spliced display panel, a second display module is disposed on a non-display surface of a first display module and corresponding to a spliced region.

Abstract: An electrode structure, a display panel, an electronic device are provided, the electrode structure includes a first electrode portion, a second electrode portion and a conductive connection portion, the first electrode portion includes a first connection bar having a first side and a second side and a plurality of first electrode strips, ends of adjacent first electrode strips away from the first connection bar are open; the second electrode portion includes a second connection bar at a position of the first side away from the second side and a plurality of second electrode strips, the second connection bar includes a third side and a fourth side; the second electrode strips are connected with the second connection bar, ends of adjacent second electrode strips away from the second connection bar are open; ends of the conductive connection portion are connected with the first connection bar and the second connection bar.

Abstract: A display device includes a flexible substrate, a transistor disposed on the flexible substrate, having a source electrode, a drain electrode, a gate electrode and an active layer, a planarization layer on the transistor, an anode on the planarization layer, a bank surrounding the anode, having an opening area, an emission layer and a cathode layer on the anode, an encapsulation unit on the cathode layer, including a first organic layer, an inorganic layer and a second organic layer, a plurality of touch electrodes on the encapsulation unit, formed in a mesh type corresponding to a non-opening area of the bank, a microlens unit on the plurality of touch electrodes, having a refractive index different from that of one of the first and second organic layers, and a color filter layer on the microlens unit and the encapsulation unit.

Abstract: An aperture module includes a base; a plurality of blades rotatably disposed on the base and forming an incident hole; and a moving portion configured to move relative to the base, wherein the moving portion includes a first moving frame and a second moving frame configured to move toward and away from each other, and a rotation axis of each of the plurality of blades moves together with the first moving frame and the second moving frame.

Abstract: A functional animal chew includes chewing material, the chewing material having a first side surface and a second side surface opposite to it; pore array, the pore array consisting of evenly distributed pores that pass through the first side surface and the second side surface, with a pore density of 4 to 40 per square centimeter; and one or more functional ingredients, retained in the pores of the pore array. The chewing material includes natural rawhide and/or synthetic rawhide; the functional ingredient includes methylsulfonylmethane, with a mass percentage not exceeding 4% in the animal chew per 100 grams. The animal chew can supplement organic sulfur for domestic pets and address the technical issue of poor skin and hair health due to imbalanced intake of functional elements in domestic pets.

Abstract: The copper powder has a surface covered with an organic substance and satisfies the following conditions: (1) in detection of the organic substance on the surface of the copper powder by GC-MS, detected is a predetermined organic substance described herein; (2) in detection of the organic substance on the surface of the copper powder by LC-MS, detected is a predetermined organic substance described herein; (3) in measurement of the thermal shrinkage ratio of a green compact of the copper powder, a temperature at which the thermal shrinkage ratio is 1% is 230° C. or lower; and (4) in measurement of the thermal shrinkage ratio of the green compact of the copper powder, a temperature difference between a temperature at which the thermal shrinkage ratio in an inert atmosphere is 3% and a temperature at which the thermal shrinkage ratio in a reducing atmosphere is 3% is smaller than 10° C.

Abstract: A mat material including inorganic fibers, with an inorganic binder and an organic binder attached to the mat material, wherein a ratio [w1B/w1A] of a weight percentage w1B of the organic binder to a weight percentage w1A of the inorganic binder satisfies the following condition (1) or (2), where w1A is the weight percentage of the inorganic binder relative to a weight of the mat material as a whole, and w1B is the weight percentage of the organic binder relative to the weight of the mat material as a whole: 0<w1B/w1A?0.8; or??(1) 9?w1B/w1A.

Abstract: Disclosed is a method of operating a storage device including a plurality of chips, the method including: receiving a write request of stream data; checking a program status or a stream queue of each of the plurality of chips; based on a determination that there is at least one chip in a ready state with an empty stream queue among the plurality of chips, allocating the stream data to the at least one chip in the ready state; and based on a determination that there is no chip in the ready state with the empty stream queue among the plurality of chips, allocating the stream data to at least one chip based on a number of streams in a stream queue among the plurality of chips.

Abstract: A two-component thermally-conductive addition-curable silicone constituted of a first component and a second component, wherein, the first component contains: (A) an organopolysiloxane having an alkenyl group bonded to a silicon atom, (C) a thermally-conductive filler, and (E) a platinum group metal catalyst; and the second component contains: (A) an organopolysiloxane having an alkenyl group bonded to a silicon atom, (B) an organohydrogenpolysiloxane, and (C) a thermally-conductive filler. The first component does not contain component (B), the second component does not contain component (E) and one or both of the first and second components contains (D) a complex of a metal and a 8-quinolinol.

Abstract: According to an embodiment, an electronic device includes a display including an electromagnetic inductive circuit and a touch screen panel, memory storing instructions, and a processor. The instructions, when being executed by the processor, cause the electronic device to identify a first position on the display, where the portion of the body of a user is contacted, and identify a second position of a wearable device worn on the portion of the body, with respect to the display. The instructions, when being executed by the processor, cause the electronic device to identify a position relationship between the display and the portion of the body. The instructions, when being executed by the processor, cause the electronic device to identify that a position of the portion of the body which is in contact with the display is changed from the first position to a third position. The instructions, when being executed by the processor, cause the electronic device to change a screen displayed on the display.

Abstract: A motor controller, a powertrain, and an electric vehicle. The motor controller is configured to output a drive current or a heating current to an asynchronous motor. A waveform of each phase current of the drive current is a sine wave, and the drive current is used to control the asynchronous motor to output torque. A waveform of each phase current of the heating current is a square wave or a step wave, and the heating current is used to control the torque output by the asynchronous motor to be zero, and heat a winding of the asynchronous motor. Heat generated by the heating current on the winding of the asynchronous motor heats a power battery via a heat conduction apparatus. The motor controller adjusts a waveform of the heating current to increase heating power.

Abstract: A thermal conductive addition-curable silicone composition includes: an organopolysiloxane (A) having at least one aliphatic unsaturated hydrocarbon group in one molecule and having a kinematic viscosity at 25° C. of 60 to 100,000 mm2/s; a phenol compound (B) at an amount of 0.01 to 10 mass % relative to an entirety of the composition; a silver powder (C) at an amount of 10 to 98 mass % relative to the entirety of the composition; an organohydrogenpolysiloxane (D) having two or more hydrogen atoms bonded to a silicon atom in one molecule at an effective amount sufficient for the composition to form a cured product; and a platinum-group metal catalyst (E) at an effective amount. This configuration provides a thermal conductive addition-curable silicone composition having excellent heat-dissipating ability.

Abstract: Embodiments of this application provide a window display method and a related apparatus, and relate to the field of terminal technologies. An electronic device may display an independent embedded window after a preset operation of a user is received. The embedded window may include a function page of a specific application, so that the user can use a function of the application conveniently. The embedded window is independent of any application installed on the electronic device, and therefore display and interaction of the embedded window do not interrupt an application running on the electronic device.

Abstract: A wide and narrow viewing angle-switchable display device and a control method are provided. The control method includes: acquiring action information of a user; comparing the action information with a stored action; and when the action information is matched with the stored action, sending a wide and narrow viewing angle switching signal, and controlling switching between wide and narrow viewing angle modes. The action information of the user is acquired and compared with the stored action, then the wide and narrow viewing angle switching signal is sent according to the comparison result, and the switching between the wide and narrow viewing angle modes is controlled; in this way, a sensor, such as an infrared sensor, an ultrasonic sensor, and an image sensor, can be directly arranged to acquire the action information of the user.

Abstract: There is provided a contaminant processing device that measures and removes particles or chemical gases generated within a semiconductor line. The contaminant processing device includes a body unit, a driving unit installed on the body unit and configured to drive inside a semiconductor line, a manipulator installed on an upper surface of the body unit and including a plurality of joints, a suction unit installed on the upper surface of the body unit and connected to the manipulator and a controller that controls the manipulator to position the suction unit on a process chamber inside the semiconductor line and controls the suction unit to suck chemical gas discharged from the process chamber.

Abstract: An electronic device includes: a heart rate measurement sensor; at least one processor; and at least one memory including computer program code, where the at least one memory and the computer program code are configured, with the at least one processor, to cause the electronic device to at least: obtain heart rate information by using the heart rate measurement sensor, identify the obtained heart rate information and electrocardiogram (ECG)-related symptoms information corresponding to the heart rate information, and generate first data, based on the heart rate information and the ECG-related symptoms information.

Abstract: A water-based inkjet ink comprising a pigment, a surfactant (A), and a water-soluble organic solvent (B), in which the surfactant (A) includes an acetylenediol surfactant (A1) having an ethylene oxide structure and a propylene oxide structure, and having an HLB value of 10 or less; the water-soluble organic solvent (B) includes an alkanediol (B1) having 3 to 5 carbon atoms, and a glycol monoether (B2) having 4 to 10 carbon atoms; and a mass ratio ((B1)/(B2)) between a content of the alkanediol (B1) having 3 to 5 carbon atoms and a content of the glycol monoether (B2) having 4 to 10 carbon atoms is 0.8 to 12.