Abstract: Embodiments of the present disclosure provide a display panel and a display device. By providing a first source and drain layer and a second source and drain layer, at least one of a first clock signal line, a second clock signal line, a third clock signal line, a first high potential signal line, a second high potential signal line, a first low potential signal line, a second low potential signal line, a third low potential signal line, a first reset control line, a second reset control line, and a low frequency signal line is provided in the second source and drain layer, thereby reducing a number of traces in the first source and drain layer, reducing a horizontal space occupied by the first source and drain layer, reducing a space occupied by a gate driving circuit, and narrowing a frame of the display panel.

Abstract: Provided are an ethylene oxychlorination catalyst, a preparation method thereof, and a process for preparing 1,2-dichloroethane through ethylene oxychlorination. The ethylene oxychlorination catalyst includes a composite support and an active component attached to the composite support, where the composite support is produced from ?-Al2O3 and a Y-type molecular sieve; and the active component includes copper, with a loading amount of the copper being 3 wt % to 6 wt %.

Abstract: A display panel and a display device are provided. In the display panel, at least one of a first clock signal line, a second clock signal line, a third clock signal line, a first high potential signal line, a second high potential signal line, a first low potential signal line, a second low potential signal line, a second reset control line, and a low-frequency signal line is arranged between a first reset control line and a third low potential signal line in a first direction. The display device includes the display panel.

Abstract: A display panel and a display device are provided. In the display panel, at least one of a first clock signal line, a second clock signal line, a third clock signal line, a first high potential signal line, a second high potential signal line, a first low potential signal line, a second low potential signal line, a second reset control line, and a low-frequency signal line is arranged between a first reset control line and a third low potential signal line in a first direction. The display device includes the display panel.

Abstract: A fire-blocking device for a stay cable capable of achieving bidirectional expansion when exposed to heat includes a fire-blocking ring and a positioning fixture. The fire-blocking ring is fixed on the surface of a cable body of the stay cable by the positioning fixture. The fire-blocking ring wraps the cable body of the stay cable. The fire-blocking ring expands inwards when heated to hug the cable body of the stay cable tightly, and expands outwards to separate the cable bodies of the stay cable on two sides of the fire-blocking ring. A weather-resistant fireproof tape is wound around the cable body of the stay cable where the fire-blocking ring is arranged. The fire-blocking ring is arranged on the outer side of the fireproof tape. The fire-blocking ring comprises a fire-blocking-ring shell and a fire-blocking core material. The fire-blocking core material is arranged inside the fire-blocking-ring shell.

Abstract: The present application relates to the technical field of polyaryletherketone, and discloses a preparation method for a coating material containing high-temperature self-crosslinking fluorine-containing polyaryletherketone. A molecular chain of the high-temperature self-crosslinking fluorine-containing polyaryletherketone contains two crosslinking groups of a styrene group and a thioether group, and its structural formula is: Herein, the value range of m is 1-40%, the value range of n is 60-99%, and R is a group that removes a phenolic hydroxyl group from hexafluorobisphenol A. In the high-temperature curing process after film coating, the crosslinking reaction occurs to form a crosslinked polymer coating layer, thereby a coating surface with good moisture and heat resistance, wear resistance, and low friction coefficient is formed.

Abstract: An electrical connector assembly includes an electrical connector and a liquid cooling plate. The electrical connector includes a metal shielding cage. The liquid cooling plate includes a cooling liquid inlet and a cooling liquid outlet. The liquid cooling plate includes a liquid cooling base plate and a cover plate fixed on the liquid cooling base plate. The liquid cooling base plate includes a first inlet flow channel, a second inlet flow channel and an outlet flow channel. The first inlet flow channel and the second inlet flow channel are arranged in parallel, and communicate with the cooling liquid inlet. The first inlet flow channel and the second inlet flow channel converge into the outlet flow channel. The outlet flow channel communicates with the cooling liquid outlet. As a result, the heat dissipation performance of the electrical connector assembly is improved.

Abstract: The present disclosure provides a liquid crystal display device where a width of each of the branch electrodes of one of the main pixel electrode and the secondary pixel electrode of each of the blue pixel units is less than the width of the each of the branch electrodes of the one of the main pixel electrode and the secondary pixel electrode of the each of the red pixel units and the green pixel units, and a width of each of the branch electrodes of another of the main pixel electrode and the secondary pixel electrode of each of the blue pixel units is less than the width of the each of the branch electrodes of the another of the main pixel electrode and the secondary pixel electrode of the each of the red pixel units and the green pixel units.

Abstract: A micro inverter and a control method therefor, an uninterruptible power supply, and a power supply system. The micro inverter includes a primary-side winding, a first secondary-side winding, a second secondary-side winding, a first power conversion, a second power conversion circuit and an energy storage buffer circuit. When the micro inverter generates double frequency ripple power, a controller controls the energy storage buffer circuit to perform charging in a first time period, so that energy from the first power conversion circuit is absorbed by using the transformer to perform energy buffering, and controls the energy storage buffer circuit to perform discharging in a second time period, so that energy is transferred to the second power conversion circuit by using the transformer. According to the embodiments, a volume of the micro inverter can be reduced, costs are reduced, and reliability of a power converter is improved.

Abstract: In a hearing aid fitting method, connection status information indicating a connection status between a second electronic device and a hearing aid is received by a first electronic device, the second electronic device being communicatively coupled to the hearing aid based on short-range wireless communication. In the method, a detection result indicating whether an environmental condition based on the connection status information satisfies a fitting condition is determined. In the method, a first fitting parameter for fitting the hearing aid is determined based on the connection status information, when the detection result indicates that the environmental condition satisfies the fitting condition. In the method, the first fitting parameter is transmitted to the second electronic device that is configured to engage in a fitting process with the hearing aid based on the first fitting parameter. Apparatus and non-transitory computer-readable storage medium counterparts are also contemplated.

Abstract: An information push method includes: obtaining an interaction item identifier sequence, the interaction item identifier sequence including interaction item identifiers of a user; obtaining an interaction item feature sequence and an interaction behavior feature sequence based on the interaction item identifier sequence; fusing the interaction item feature sequence and the interaction behavior feature sequence to obtain a fused feature sequence, and extracting autocorrelation information of fused features in the fused feature sequence to obtain an autocorrelation feature sequence; and identifying, from pieces of preset scenario feature enhancement information, at least two pieces of scenario feature enhancement information corresponding to the autocorrelation feature sequence, and performing feature enhancement on the autocorrelation feature sequence based on the at least two pieces of scenario feature enhancement information to obtain an enhanced feature sequence, the enhanced feature sequence being configure

Abstract: Respiration aiding equipment is provided, wherein the respiration aiding equipment includes a main control module, a heating loop and a heating loop protective circuit connected to the heating loop, and the heating loop protective circuit includes an acquisition sub-circuit, a suppression sub-circuit, a protective sub-circuit and a discharge sub-circuit; the acquisition sub-circuit collects input voltage of the protective sub-circuit and sends the input voltage to the suppression sub-circuit; the suppression sub-circuit clamps the input voltage and releases current through the discharge sub-circuit; and the protective sub-circuit performs short-circuit protection when the current is too high.

Abstract: Provided are a cleaning apparatus, a cleaning method and a battery production system, wherein the cleaning apparatus comprises: a cleaning assembly comprising two cleaning members provided opposite to each other, the two cleaning members being configured to form a space therebetween for accommodating articles to be cleaned; and a first drive assembly configured to drive the cleaning assembly for movement to clean two sides of at least two articles to be cleaned arranged in sequence. The cleaning assembly comprises two cleaning members provided opposite to each other, and the first drive assembly drives the cleaning assembly for movement, wherein the two cleaning members provided opposite to each other are capable of cleaning two sides of the at least two articles to be cleaned arranged in sequence in the course of the movement.

Abstract: Disclosed are a borehole fracture-deformation-wave velocity integrated intelligent sensing apparatus and method for an engineering rock mass. The apparatus includes an in-hole monitoring execution unit and an out-hole monitoring unit which are connected by a cable; the in-hole monitoring execution unit includes a hole-diameter-adaptive crawling robot and a combined multifunctional probe assembly; the probe assembly includes a high-definition wide-angle camera, a laser radar probe, and an acoustic transceiver probe, and all the probes may be freely combined; the hole-diameter-adaptive crawling robot is of a waterproof sealed shell structure and is capable of charging a pressure inside to realize leakage detection, and the hole-diameter-adaptive crawling robot adopts lift-type electric crawler walking mechanisms capable of automatically adjusting a supporting force to avoid sliding. The apparatus can be used for intelligent long-term monitoring of borehole fracture, deformation and wave velocity.

Abstract: A hearing assistance method includes: establishing an audio/video call between the hearing assistance terminal and an assistance receiving terminal by using call software; obtaining an execution instruction for a hearing assistance application integrated into the call software, and running the hearing assistance application in the call software according to the execution instruction; establishing a data transmission channel between the hearing assistance terminal and the assistance receiving terminal based on the hearing assistance application, the data transmission channel being a duplex communication channel for transmitting application data of the hearing assistance application; and providing a hearing assistance service to the assistance receiving terminal through the data transmission channel and the audio/video call.

Abstract: The present disclosure provides a display panel and a manufacturing method thereof. The manufacturing method includes: forming a thin film transistor structure layer, first electrodes, a first pixel defining layer (inorganic layer), and a second pixel defining layer (organic photoresist layer) on the substrate; patterning the second pixel definition layer to form first, second, and third photoresist strips which are cross-connected to define a plurality of openings; ashing the second pixel definition layer and etching the first pixel definition layer at the same time by using the second pixel definition layer as a mask, so as to remove the first photoresist strips, thin the second photoresist strips to form first retaining walls, thin the third photoresist strips to form second retaining walls, and etch the second pixel defining layer to form pixel openings exposing the first electrodes; and forming a light-emitting layer in the pixel openings.

Abstract: A display panel and a preparation method thereof. One photomask is used to form a patterned photoresist layer. The photoresist layer is used as a mask to form a patterned first inorganic pixel definition layer and a patterned second inorganic pixel definition layer. Based on the fact that both a baking temperature and a baking time for preparing the photoresist layer by using a conventional method are lower than a heating temperature and a heating time in a thermal process for preparing an organic pixel definition layer, in embodiments of the present disclosure, the influence of the thermal process on the thin film transistor can be reduced, thereby reducing the risk of negative bias of the thin film transistor and the number of the used photomasks.

Abstract: Examples related to ranking offers based on machine learning are disclosed. An example may involve: receiving a request for ranking a plurality of offers associated with an item; generating offer related feature data based on the request; inputting the offer related feature data into a machine learning model to generate an order conversion score for each of the plurality of offers; generating, from the plurality of offers, a ranked list of offers based on their respective order conversion scores; and transmitting the ranked list of offers to a computing device.

Abstract: A thin-film transistor, a display panel, and a display device are provided. The thin-film transistor includes an active layer and a gate disposed on a side of the active layer; a material of the active layer includes an oxide semiconductor material and a first metal element doped in the oxide semiconductor material, and the first metal element includes terbium.

Abstract: A semiconductor device, an array substrate, and a display panel are provided. The semiconductor device includes an active layer; a gate disposed on a side of the active layer; and a source and a drain respectively connected to opposite ends of the active layer. The active layer comprises one or more first sublayers, each of the first sublayers includes a metal oxide conductive material and an electrical regulating element doped in the metal oxide conductive material. The electrical regulating element includes at least one of Group VIII metal elements.