Abstract: An ultrasonic transceiver device and a control method thereof are disclosed. The ultrasonic transceiver device includes a plurality of coupled ultrasonic transceiver units. Each of the ultrasonic transceiver units includes a plurality of ultrasonic oscillators, a driving bias circuit coupled to the ultrasonic oscillators and used to receive an alternating current (AC) voltage, and a switching circuit coupled to the driving bias circuit. The switching circuit has a plurality of switching paths corresponding to a plurality of impedance values or a plurality of inductance values. The switching circuit is used to switch a system driving signal to pass through one of the switching paths according to a mode selection signal and transmitted to the driving bias circuit as the AC voltage.

Abstract: The present application relates to a home network bandwidth management method, a home network bandwidth management apparatus, an electronic device, and a computer-readable storage medium, the method includes: displaying configuration information of each optical network unit (ONU) in a home network, to which the user terminal belongs, through a human-machine interaction interface, the configuration information includes at least one of a bandwidth and a time delay; acquiring adjustment information of the ONU through the human-machine interaction interface, the adjustment information is configured for adjusting the configuration information.

Abstract: The embodiment of the invention provides a method and apparatus for image generation, an electronic device and a storage medium. The method includes: in response to a triggering operation for image effect processing, performing effect processing on a to-be-processed image to obtain an effect image; in response to a style type of the effect image being the same as a used style type of an effect image generated last time, determining at least one to-be-selected style type based on a predetermined style probability distribution; determining a target style type based on the at least one to-be-selected style type; and in response to the triggering operation for the image effect processing being detected, processing the to-be-processed image into an effect image matching the target style type.

Abstract: A wafer dicing method is provided, which includes: using a laser beam to perform a first dicing on a wafer to form a dicing lane on the wafer; using a bevel knife of a dicing machine to perform a second dicing in an inactive area of the wafer, wherein, before the second dicing, the bevel knife is raised to compensate for a thickness difference of the wafer in the inactive area and the dicing lane; and using the bevel knife to perform a third dicing in the dicing lane, wherein, during the third dicing, a wafer cut width of the second dicing is used to activate a Z-axis compensation mechanism of the dicing machine, so that the bevel knife cuts to a predetermined wafer cut width. As such, the applicable dicing lane width range of the bevel knife is increased via the precise control of the wafer cut width.

Abstract: An electrochemical apparatus, including a positive electrode plate, where the positive electrode plate includes a positive electrode active material layer, and the positive electrode active material layer includes a first lithium manganese oxide and a second lithium manganese oxide; and in a fully discharged state of the electrochemical apparatus, through Raman test, the first lithium manganese oxide has a characteristic peak A in a range of 507 cm?1±10 cm?1 and a characteristic peak B in a range of 660 cm?1±10 cm?1, and the second lithium manganese oxide has a characteristic peak C in a range of 625 cm?1±10 cm?1. The electrochemical apparatus has high initial coulombic efficiency and excellent cycling performance on the basis of high energy density.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects. a user equipment (UE) may receive a configuration that configures the UE for type 1 or type 2 configured grant physical uplink shared channel (CG-PUSCH) communications for multiple transmit receive points. The UE may transmit frequency division multiplexed or spatial division multiplexed PUSCH transmissions based at least in part on the configuration. Numerous other aspects are described.

Abstract: A detection system and a sample processing instrument for nanoparticles are provided. The detection system includes a light emitting unit and a light collection unit. The light emitting unit is configured to emit a light beam and project the light beam onto a nanoparticle to be detected. The light collection unit is configured to collect light beams from the nanoparticle so as to analyze the nanoparticles according to the collected light beams. The light emitting unit includes multiple light sources and a focusing lens, and the light beams emitted by the multiple light sources are focused through the focusing lens on a same detection position through which the nanoparticle is to pass.

Abstract: The patent application discloses a degradable downhole tool member for hydrocarbon resource recovery. The downhole tool member comprises a shaped body comprising a degradable polymer matrix, wherein the downhole tool member, when held in downhole fluid at about 80° C., has an initial mass loss about 14% for a holding period of about 2 days in a pressure holding test.

Abstract: The disclosure provides a growth method and a growth device for silicon carbide crystal. The method at least includes steps of heating a silicon carbide and monitoring a temperature thereof, monitoring a silicon content in the silicon carbide that is evaporated when the silicon carbide is heated to reach a preset temperature, starting to reduce a pressure for nucleation when the silicon content reaches a first preset content value, detecting a radiation of a specific wavelength generated by crystallization at a growth interface when the silicon carbide grows and recording the radiation as a first characteristic radiation, and adjusting the first characteristic radiation to be consistent with a characteristic radiation of a required crystal form when the first characteristic radiation is inconsistent with the characteristic radiation of the required crystal form of the silicon carbide. The disclosure can effectively regulate the selection of crystal forms during the crystal growth process.

Abstract: Wireless communications systems and methods related to UE cooperation are provided. A base station (BS) may assist a UE in cooperating with other UEs. A UE may transmit a cooperative UE update request to aBS, indicating a number of candidate cooperative UE sets. The UE may also transmit information to the BS about the candidate cooperative UE sets such as UE capability information, location information, and channel measurements. Additional measurements maybe requested by the BS. The BS may use the information from the UEs together with BS-side information such as configuration information and TRP information in order to determine which of the candidate cooperative UE sets is preferred. The BS may then configure and communicate with selected cooperative UE set.

Abstract: A thin film transistor includes a substrate; and a semiconductor layer a gate, a source electrode and a drain electrode; which are arranged on the substrate. The semiconductor layer includes a first material layer and a second material layer which are stacked, wherein a material of the first material layer is selected from one of or a combination of first n-type metal oxide semiconductor materials, and a material of the second material layer is selected from one of or a combination of second n-type metal oxide semiconductor materials. A carrier mobility of a first n-type metal oxide semiconductor material is greater than or equal to 40 cm2/Vs, and a second n-type metal oxide semiconductor material is doped with Y, Y being selected from one of or a combination of rare earth elements. The first material layer is closer to the gate than the second material layer.

Abstract: A display panel including a display base, in which the display base includes a first display area including a plurality of first sub-pixels arranged in an array in a first direction, the first sub-pixel includes at least two sub-pixel blocks; and in the first sub-pixel, at least two of the sub-pixel blocks are adjacent and separated by an isolation structure.

Abstract: A reflective display device and a color laminated display device are disclosed. The reflective display device according to the present application includes: a first electrode which is a transparent electrode; a second electrode arranged opposite to the first electrode; a display layer arranged between an inner side of the first electrode and an inner side of the second electrode; the display layer including a plurality of pixel walls which are arranged in the display layer at intervals; and an accommodating cavity formed by two adjacent pixel walls and the inner side of the second electrode, the accommodating cavity being used for accommodating a color developing liquid, and each of the pixel walls has a color identical to the color developing liquid.

Abstract: An information transmission method and an apparatus, a base station, a user equipment, a storage medium, and a program product are disclosed. The method may include: receiving a transport block (TB) sent by at least one second node, where the TB forms a TB set; obtaining information about a set of correct TBs according to the RB set; encoding the information about the set of correct TBs to obtain feedback information, where the feedback information is used to represent a reception condition of the TB sent by the at least one second node, and the encoding processing may include performing binary representation on the information about the set of correct TBs; and sending the feedback information to the at least one second node.

Abstract: An electrochemical device includes a positive electrode plate, a negative electrode plate, and an electrolyte. The negative electrode plate includes a negative electrode active layer, the positive electrode plate includes a positive electrode active layer, the positive electrode active layer includes a positive electrode active material, the positive electrode active layer includes element aluminum, an amount A (mmol) of the element aluminum in the positive electrode active layer and a total area B (m2) of the negative electrode active layer satisfy 3?A/B?25, and the positive electrode active material includes lithium manganese oxide and a manganese-containing compound.

Abstract: Compounds having activity as inhibitors of G12C mutant KRAS protein are provided. The compounds have the following structure (I): or a pharmaceutically acceptable salt, stereoisomer, isotopic form or prodrug thereof, wherein R1, L1, L2, L3, A1, A2, A3, A4, G1, G2, E, W, X, Y, Z, m, and n are as defined herein. Methods associated with preparation and use of such compounds, pharmaceutical compositions comprising such compounds and methods to modulate the activity of G12C mutant KRAS protein for treatment of disorders, such as cancer, are also provided.

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive an indication of at least two timing advance groups (TAGs) per serving cell for multiple transmit receive point operation, wherein each TAG is associated with an uplink or joint transmission configuration indicator (TCI) state. The UE may receive an activation message that activates one or more TCI states for one or more uplink channels or reference signals. The UE may select a common TAG for the one or more uplink channels or reference signals based at least in part on a common TAG rule. The UE may transmit a reference signal or a communication on an uplink channel using the common TAG. Numerous other aspects are described.

Abstract: The embodiment of the present application discloses a single-well heat exchange system and a downhole enhanced heat exchange device of a geothermal well. The first main pipe communicates with an inner pipe of the single-well heat exchange device, return water entering the inner pipe sequentially enters the first main pipe and the second main pipe, part of the return water directly flows back to a geothermal reservoir, and part of the return water enters an annulus between the inner pipe and an outer casing of the single-well heat exchange device through a through hole of the second main pipe. The part, located at a target reservoir, of the retractable heat exchange pipe is used for absorbing geothermal heat of the target reservoir and transmitting the geothermal heat to an fixed end of the retractable heat exchange pipe to heat the return water entering the first main pipe.

Abstract: Systems and methods for user handover in Fifth Generation-New Radio (5G-NR) are disclosed. In one aspect, in a wireless communication system (WCS) that has a hybrid Fourth generation (4G) core subsystem and one or more 5G-NR radio access network (RAN) subsystems, user equipment handover may be controlled by a 4G master evolved NodeB (MeNB). To assist the MeNB in this process, user equipment (UE) may provide B1 reports when signal strength from proximate radio cells exceeds a threshold or falls below a threshold. Based on these B1 reports, a control circuit within the MeNB may select a cell and initiate a handover. Moving the handover decision to the MeNB in such a hybrid WCS may improve the user experience by providing more reliable connections between the user equipment and the most efficient cell.

Abstract: A pixel structure is provided. The pixel structure includes a substrate, a micro light-emitting diode, and an electrophoretic structure. The micro light-emitting diode is disposed on the substrate and configured to emit light. The electrophoretic structure is disposed on the micro light-emitting diode and includes an upper electrode, a lower electrode, an electrophoretic medium, and an electrophoretic lens. The electrophoretic medium is disposed between the upper electrode and the lower electrode, wherein the electrophoretic medium has a first refractive index. The electrophoretic lens is disposed in the electrophoretic medium and has a second refractive index that is different from the first refractive index. The electrophoretic lens is configured to move away from or toward the micro light-emitting diode by being driven by the electric field, so that light passing through the electrophoretic lens has a first or second divergence angle after refracting.