Abstract: A spliced screen includes: first display panels spliced together, each of which includes a first display region and a first non-display region around the first display region; the first non-display region is a light-transmitting region; and second display panels on non-display sides of the first display panels, each of the second display panels includes a second display region and a second non-display region around the second display region, and light outgoing directions of first and second display panels are the same. A spacing region is arranged between the first display regions of any two adjacent first display panels, and the spacing region includes at least part of the first non-display regions of the two adjacent first display panels; the second display region and the spacing region overlap each other in a thickness direction of the spliced screen.

Abstract: A push power tool includes a motor, a body, a traveling device, a handle, and an operating device. The handle is connected to the body and configured for a user to hold. The operating device is configured for the user to operate. The operating device includes a first operating member and a second operating member. The first operating member is movable relative to the handle to control the traveling mode of the push power tool. The second operating member is movable relative to the handle to control the output power of the push power tool. In the push power tool, the first operating member includes a first operating portion disposed on a side of the handle facing away from the user, and the second operating member includes a second operating portion disposed on a side of the handle facing the user.

Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.

Abstract: Provided in the present invention is an adhesive tape, including: a base film, having a coefficient of thermal expansion within a range of 4.5 to 15 ppm/° C.; and an adhesive layer, including polyether ether ketone having a crystallinity equal to or less than 10% and an elastic modulus between 10 and 100 MPa at 150-300° C. The adhesive tape according to the technical solution of the present invention can effectively avoid problems such as chip tilt, packaging material flash, contamination caused by an adhesive residue, lead frame warpage, and the like during back-end packaging of a semiconductor device.

Abstract: An ultrahigh strain recovery shape memory alloy screen pipe material and a preparation method and application thereof. The material is obtained by cold pressing molding of a preform, the preform is prepared by winding a NiTi shape memory alloy wire into a spiral coil and then winding, laying or weaving, the spiral coil of the NiTi shape memory alloy wire in the preform is structurally embedded or interlocked with each other, and the alloy screen pipe material has a recovery strain of 43-83% at a temperature of 100-350° C. The material has excellent high-temperature tolerance, can achieve spontaneous expansion and deformation under high-temperature conditions, and generally has an ultrahigh recoverable strain. Its pore characteristic is a through-hole structure and a pore size is controllable, so that a filtration effect is ensured, and the preparation cost is relatively low.

Abstract: A dual-channel cage-type subsea throttle valve includes an upper valve cover, a middle valve body, a valve body and a lower valve cover. Two upper valve chambers are provided in the middle valve body. Two lower valve chambers that are communicated with each other are provided in the valve body. A driving cam, a motor, a baffle and a spring are provided in each of the two upper valve chambers. The spring is arranged between the baffle and a bottom surface of the upper valve chamber. A valve stem, a valve core, a cage sheath, a valve core holder and a valve seat are provided in each of the two lower valve chambers. The top of the valve stem is connected to the baffle. Each of a side wall of the valve core and a side wall of the cage sheath is provided with a throttle hole.

Abstract: The present disclosures relates to a display panel, including a driving backplane, first electrodes, a pixel definition layer, a light-emitting layer, and a second electrode. The first electrodes and the pixel definition layer are arranged on a side surface of the driving backplane; the pixel definition layer is provided with pixel openings for exposing the first electrodes, and a partition groove, which is located between two adjacent pixel openings, and the boundary of each pixel opening is located within the boundary of the first electrode that is exposed therefrom; a side wall of each pixel opening is provided with a first cut-off groove, and a side wall of each partition groove is provided with a second cut-off groove; the light-emitting layer covers the pixel definition layer and the first electrodes; and the second electrode covers the light-emitting layer.

Abstract: The present disclosure relates to air fryer, comprising a main body, the main body is provided with a first cooking cavity and a second cooking cavity arranged at intervals up and down. By arranging the first cooking cavity and the second cooking cavity in the main body at intervals up and down, not only can two types of food be cooked simultaneously to improve food cooking efficiency, but also the lateral volume of the air fryer can be reduced, the space occupancy of the air fryer can be lowered, and the space utilization rate can be improved. Meanwhile, the two cooking cavities are hermetically isolated, which can also avoid the interference between the air intake and air outlet of the first cooking cavity and the second cooking cavity, effectively improve the thermal circulation efficiency in the first cooking cavity and the second cooking cavity.

Abstract: A combined impeller stirring device includes a stirred tank, a stirring shaft disposed within the stirred tank, and at least one mixing impeller unit disposed on the stirring shaft. The mixing impeller unit includes a first nested mixing impeller and a second nested mixing impeller. The first nested mixing impeller includes two helical blades and two fixed shafts. The two fixed shafts are arranged in a staggered manner and separately fixedly connected to the stirring shaft. Two ends of a helical blade are connected to the two fixed shafts, respectively such that the two helical blades are arranged in rotational symmetry. The second nested mixing impeller is located between the two fixed shafts and fixedly connected to the stirring shaft.

Abstract: A downwind starting method for a permanent magnet synchronous motor without a back electromotive force sampling circuit includes utilizing a back electromotive force generated by a rotating magnetic field that is generated through downwind rotation of the permanent magnet rotor before starting the permanent magnet synchronous motor cutting the plurality of phase windings of the stator assembly to control a lower switch transistor of one of the phase windings to be turned on while turning off lower switch transistors of the remaining phase windings, detecting whether a current is generated, and recording time when the current is generated; repeating the above operations until time when a current is generated for each phase winding is obtained; summing the time when the current is generated for each phase winding to obtain an electrical cycle, and calculating an electrical frequency of the motor by using the electrical cycle; and utilizing the electrical frequency and the time when the current is generated for

Abstract: A method, device and system for updating a map of an unloading area (UA) of an open pit mine, which relate to the technical field of open pit mines. The method includes: acquiring one or more coordinates of one or more first preset positions of auxiliary operation equipment (11) during an operation (302), wherein the auxiliary operation equipment (11) trims a retaining wall (L) that acts as a physical boundary of the unloading area (UA) during the operation, and during the operation of the auxiliary operation equipment (11), each first preset position is located within the unloading area (UA); determining a first coordinate set (304), the first coordinate set (304) including coordinates among the one or more coordinates located outside of a first map of the unloading area (UA); and according to the first coordinate set (304), updating the first map into a second map (306).

Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.

Abstract: A display panel includes: a drive backplane; a first electrode layer on a surface of the drive backplane, and including first electrodes in an array; a leakage cut-off layer on a same surface of the drive backplane with the first electrode layer, and including first and second defining layers stacked in a direction away from the drive backplane, the first defining layer being provided with first openings exposing at least a part of areas of the respective first electrodes in one-to-one correspondence, and the second defining layer being provided with second openings surrounding the first openings at positions corresponding to the first openings; a light-emitting function layer covering the leakage cut-off layer and the at least a part of areas of the first electrodes; a second electrode, covering the light-emitting function layer; and a color film layer on a side of the second electrode away from the drive backplane.

Abstract: A driving apparatus, an image collection module, and a method for voltage regulation are provided. The driving apparatus includes: a control module, a driving module, and a voltage regulation unit. The control module is configured to acquire displacement information of an image collection apparatus, transmit a driving current instruction to the driving module based on the displacement information, and transmit a voltage regulation signal to the voltage regulation unit based on the displacement information; the driving module is configured to generate a driving current based on the driving current instruction; and the voltage regulation unit is configured to regulate a voltage inputted from a power supply to a driving voltage matching the driving current based on the voltage regulation signal, and transmit the driving voltage to the driving module, so that the driving module drives a motor of image collection apparatus through the driving current and the driving voltage.

Abstract: A position sensing system, a method for acquiring a position sensing signal and an electronic device are provided. The position sensing system is provided with a first position sensing element and at least one second position sensing element. A first position sensing signal outputted by the first position sensing element in response to a predetermined signal is used as a correction signal for a second position sensing signal outputted by the second position sensing element, and the signal processing module corrects the second position sensing signal outputted by at least one of the second position sensing element based on the first position sensing signal and determines a target sensing signal based on at least one corrected second position sensing signal.

Abstract: High concentration polymer slurries contain up to 70 weight percent active polymer in a hydrophobic solvent base treated with suspending agents, dispersants, and thinning agents. The slurries are prepared by mixing a solid polymer with an invert polymer emulsion without the need for specialized field equipment. These slurries provide increased polymer concentration and improved dispersibility of solid polymer or other hydrophilic colloids. The resulting formulations offer technical advantages, including enhanced efficiency, ease of handling, and cost-effectiveness.

Abstract: The present invention relates to the technical field of pyrolysis technology, and specifically discloses a compact domestic waste pyrolysis apparatus featuring an integrated multi-chamber secondary combustion chamber. The apparatus consists of a pyrolysis furnace, which incorporates both a pyrolysis chamber and a secondary combustion chamber. The upper section of the pyrolysis chamber is provided with a communication hole that connects to the secondary combustion chamber. In this apparatus, the pyrolysis chamber and the secondary combustion chamber are closely integrated. The generated pyrolytic gas directly enters the secondary combustion chamber, effectively preventing coking and significantly reducing the frequency of failures. The secondary combustion chamber absorbs radiant heat from the pyrolysis chamber, maintaining its temperature consistently above 850° C., which is conducive to the complete combustion of the pyrolytic gas and maximizes thermal energy release.

Abstract: Disclosed is a noise vibration and harshness (NVH) control method of a tandem motor system, which improves the NVH performance of a tandem motor by installing rotors of two motors in a misaligned manner, and calculates and finds an optimal misalignment angle between the two rotors through an optimization method, thereby minimizing an amplitude of a resultant cogging torque of the tandem motor to the greatest extent. The rotors adopt segmented skew structures. Additionally, the performance of the tandem motor is further enhanced through a multi-motor vector control technology and a phase-shifted pulse width modulation (PWM) control technology.

Abstract: A display device, a display panel, and a manufacturing method thereof are proposed. The display panel includes a substrate, a first insulation layer, a first electrode layer, a pixel definition layer, a light-emitting function layer and a second electrode.