Abstract: A developing cartridge includes a casing configured to accommodate developer and having a first side and a second side oppositely arranged in a first direction, and a third side and a fourth side oppositely arranged in the second direction, the first direction and the second direction being intersected with each other. The developing cartridge further includes a developing roller, positioned at the third side, for rotating around a first axis extending in the first direction; a coupling, positioned at the first side, for receiving driving-force output from an image forming device to rotate; a driving surface, inclined to the first direction, including a first driving surface and a second driving surface; a detected part, at least partially positioned at the second side, for moving according to rotation of the coupling.

Abstract: A display panel includes multiple first sub-pixels, multiple second sub-pixels and multiple third sub-pixels. The multiple first sub-pixels and the multiple second sub-pixels form first virtual quadrilaterals. The multiple third sub-pixels form second virtual quadrilaterals. A circumscribed parallelogram of a first sub-pixel is a first virtual shape. The center of the first sub-pixel does not coincide with the center of the first virtual shape. A circumscribed parallelogram of a second sub-pixel is a second virtual shape. The center of the second sub-pixel does not coincide with the center of the second virtual shape. At least one edge of the first sub-pixel that does not coincide with the first virtual shape includes a first edge. At least one edge of the second sub-pixel that does not coincide with the second virtual shape includes a second edge.

Abstract: A thin film transistor includes a semiconductor layer, a gate, a source and a drain. The semiconductor layer includes a first heavily doped region, a second heavily doped region, a bridge region, a first channel region, a second channel region, a first lightly doped region and a second lightly doped region. The first lightly doped region connects the bridge region and the first channel region. The second lightly doped region connects the bridge region and the second channel region. The doping concentration of the bridge region is greater than that of the first lightly doped region and the second lightly doped region. The gate overlaps the bridge region, the first channel region, the second channel region, the first lightly doped region and the second lightly doped region. The source and the drain are electrically connected to the first heavily doped region and the second heavily doped region respectively.

Abstract: A Bluetooth communication method, a Bluetooth communication device, and a Bluetooth communication system are provided. The Bluetooth communication method comprises: segmenting a first signal data and performing a compression-encoding to construct a plurality of first signal data packets; constructing a plurality of first-standard Bluetooth packets, and detecting whether one of the plurality of first-standard Bluetooth packets is a command Bluetooth packet. If the first-standard Bluetooth packet is the command Bluetooth packet, transmitting the first-standard Bluetooth packet directly, and if not, replacing a valid information in the first-standard Bluetooth packet with one corresponding first signal data packet which is in the same data transmitting window as the first-standard Bluetooth packet for transmitting. A second terminal of the point-to-point link obtains the corresponding first signal data by decoding the first-standard Bluetooth packet.

Abstract: A Bluetooth communication method, a Bluetooth communication device, and a Bluetooth communication system are provided. The Bluetooth communication method comprises: segmenting a first signal data based on a length of a first time slice, performing a compression-encoding to construct a plurality of first private-chain packets; constructing and transmitting a plurality of first-standard Bluetooth packets, and transmitting one of the plurality of first private-chain packets to a second terminal of a device of the link in an idle time of a transmission slot in which one corresponding first-standard Bluetooth packet is transmitted, so that the second terminal of the device obtains the first signal data by decoding the corresponding first private-chain packet. The above method transmits the signal data in the idle time, thereby improving the efficiency of signal transmission and reducing communication latency.

Abstract: A data transmission method and a related apparatus. A sending device performs binary phase shift keying BPSK mapping on a to-be-transmitted bit sequence to obtain a first sequence. The sending device performs coding modulation on the first sequence based on a generator matrix or a first sub-matrix including some rows of the generator matrix, to obtain a symbol sequence. The sending device sends the symbol sequence to a receiving device through a channel.

Abstract: A data processing method includes: generating a service serial number for a target service according to a preset naming rule; obtaining service data of the target service; obtaining a target data table from a plurality of pre-configured data tables, according to the service serial number; and storing the service data to the target data table.

Abstract: Embodiments of the present disclosure provide a method and system for positioning a robot and adjusting a posture. The method may include obtaining a first image and a second image of a target object. The first image may be captured using an image capturing apparatus, and the second image may be captured using a medical imaging device. The method may also include determining at least one target region corresponding to at least one target portion of the target object from the first image. The at least one target portion may be less affected by physiological motions than other portions. The method may further include determining positioning information of the robot based on the at least one target region and the second image.

Abstract: This application provides a surgical robot control method, a computer device, and a surgical robot system. The surgical robot control method includes: receiving a user demand, and generating an interactive control command; generating a motion control command according to the interactive control command; and controlling a terminal of a mechanical arm to perform the motion control command. The motion control command includes controlling the terminal of the mechanical arm to act in accordance with a plurality of motion modes. The surgical robot control method may control the terminal of the mechanical arm to act in accordance with the plurality of motion modes through the motion control command, realize different motion schemes in various clinical application scenarios, and realize controlling the terminal of the mechanical arm to be flexibly switched between the plurality of motion modes in any application scenario through the interactive control command.

Abstract: Various examples are provided related to direct current circuit breakers and their control methods. In one example, among others, a hybrid direct current circuit breaker (DCCB) includes an ultrafast mechanical switch (UFMS) connected in series with a commutating switch (CS) or auxiliary circuit breaker (ACB); a main breaker (MB) including a series of ? semiconductor switching stages in parallel with the UFMS and CS or ACB; and control circuitry that can turn off individual switching stages in a defined order in response to opening contacts of the UFMS. The switching stages can be turned off based upon a dielectric strength across the contacts as they open. In another example, a method includes opening contacts of an UFMS connected in series with a CS or ACB; and turning off individual switching stages of a series of ? semiconductor switching stages connected across the UFMS and the CS or ACB.

Abstract: Method and apparatus include a first stage converter configured to generate a half sine wave, and a second stage converter in electrical communication with the first stage converter and configured to transform the half sine wave into a power signal. The second stage converter may further supply the power signal to an electrical grid. In one example, the second stage converter may include an isolated, unregulated, resonant direct current/alternating current (DC/AC) converter.

Abstract: A method and apparatus include a primary transformer coil, a secondary transformer coil, and a center tapped inductor coupled to the secondary transformer coil. A first switch may be in electrical communication with the center tapped inductor and may be configured to affect the first output voltage. A second switch may be in electrical communication with the center tapped inductor and may be configured to affect the second output voltage. In a particular example with an analog current (AC) output voltage, the two output voltages are out of phase to each other. In a direct current (DC) implementation, the transformer may be operated to output a positive and a negative output voltage. The apparatus may function as a resonant converter, or may operate in non-resonant mode. In one implementation, an H bridge may provide reactive power support. An inductor filter may be in electrical communication with the secondary transformer coil.

Abstract: Method and apparatus include a circuit having a duty cycle and interleaving modulation configured to realize high density and efficient energy transfer. The circuit may efficiently achieve higher step-down voltage ratios with fewer electrical components. For example, as few as seven electrical devices, such as switches and diodes, may be used to realize at least a four-to-one conversion ratio. The high density of the circuit is advantageous to meet shrinking space demands A modulator may interleave signals sent to the electrical components (e.g., switching devices via driver circuitry). The driver signals may include a duty cycle of 1/(nc+1), where nc is (n?1)/3, and n is the number of devices.

Abstract: A method and apparatus include an n-doped layer having a first applied charge, and a p?-doped layer having a second applied charge. The p?-doped layer may be positioned below the n-doped layer. A p+-doped buffer layer may have a third applied charge and be positioned below the p?-doped layer. The respective charges at each layer may be determined based on a dopant level and a physical dimension of the layer. In one example, the n-doped layer, the p?-doped layer, and the p+-doped buffer layer comprise a lateral semiconductor manufactured from silicon carbide (SiC).

Abstract: A nucleic acid amplification in-situ real-time detection system and method using a micro-fluidic chip through optical fiber sensing. The system includes a white light source, a detection optical path, a microfluidic chip and a spectrum acquisition, processing and display module, which are connected in sequence. The detection optical path is configured to transmit white light from the white light source to the micro-fluidic chip and transmit an optical signal made by the microfluidic chip to the spectrum acquisition, processing and display module. The micro-fluidic chip is configured to carry out biochemical reaction; the spectrum acquisition, processing and display module is configured to acquire the optical signal, analyze the signal and generate a visual biochemical reaction real-time dynamic-change signal curve.

Abstract: The disclosure relates to compositions, methods, and processes for the preparation, use, and/or formulation of adeno-associated virus capsid proteins, wherein the capsid proteins comprise targeting peptide inserts for enhanced tropism to a target tissue.

Abstract: Methods for screening for an adeno-associated virus (AAV) capsid protein that can bind to a target protein (e.g., Ly6 protein) and related compositions are provided in aspects of the disclosure.

Abstract: An engineering system for collecting and utilizing regional rainwater includes a rainwater collection system, a water quality treatment system, and a control and allocation system. The rainwater collection system includes a rainwater collection ditch for a hardened underlying surface, a barrier and a water storage tank. The water quality treatment system includes a filter system. The control and allocation system includes a water quality monitoring device, a water level monitor, a control gate and a water pump. The filter system is connected to the underlying surface through the rainwater collection ditch, and the filter system is connected to the water storage tank. The control gate is disposed between the filter system and the water storage tank. The water quality monitoring device and the water level monitor are disposed within the water storage tank. The water pump is used to drain water from the water storage tank.

Abstract: Various examples are provided related to direct current circuit breakers and their control methods. In one example, among others, a hybrid direct current circuit breaker (DCCB) includes an ultrafast mechanical switch (UFMS) connected in series with a commutating switch (CS) or auxiliary circuit breaker (ACB); a main breaker (MB) including a series of ? semiconductor switching stages in parallel with the UFMS and CS or ACB; and control circuitry that can turn off individual switching stages in a defined order in response to opening contacts of the UFMS. The switching stages can be turned off based upon a dielectric strength across the contacts as they open. In another example, a method includes opening contacts of an UFMS connected in series with a CS or ACB; and turning off individual switching stages of a series of ? semiconductor switching stages connected across the UFMS and the CS or ACB.

Abstract: A device displays a user interface of the social network platform, including status updates of users, a photo uploading region, and an input region for entering status updates of a user. The device presents recommended photos for upload in the photo uploading region. The recommended photos are selected by dividing photos in the photo library into one or more groups based on photographing location and photographing time, where, if a photographing location of a photo is not a regular location associated with a user of the device, the photo is grouped based on a common photographing location, and if the photographing location of the photo is a regular location associated with the user of the device, the photo is grouped based on a common photographing time. Photos are selected from at least one group as a recommended photo in the photo uploading region.