Abstract: A light-emitting device includes a semiconductor epitaxial unit having a first surface and a second surface that are opposite to each other, and including a first semiconductor layer, an active layer, and a second semiconductor layer that are disposed sequentially in such order in a direction from the first surface to the second surface. The active layer includes a quantum well structure that has n periodic units, each of which includes a well layer and a barrier layer that are sequentially disposed. The second semiconductor layer includes a cladding layer and a current spreading layer. A ratio of a thickness of the current spreading layer to a current density of the light-emitting device ranges from 0.6 to 4. A light-emitting apparatus is also provided in the disclosure.

Abstract: Provided are a three-phase power conversion circuit for a household electrical appliance, a household electrical appliance, and a power-on control method for a household electrical appliance. The three-phase power conversion circuit includes a three-level active PFC unit, at least two power-on units, and a control unit. The three-phase power, subsequent to being converted by the three-level active PFC unit, obtains a first DC power and a second DC power to supply power to corresponding loads. The power-on unit is arranged at input terminals of the three-level active PFC unit to buffer a device in the three-level active PFC unit when the three-level active PFC unit is powered on. A first controllable switch module and a second controllable switch module in the power-on unit and the three-level active PFC unit are controlled by the control unit to complete buffering.

Abstract: Provided are a method for controlling a full bus load to discharge in a household electrical appliance and related apparatuses. In the method, in response to determining that a half bus load is turned on and a full bus load is turned off, a voltage difference between a first DC power and a second DC power is determined to obtain a voltage difference. The first DC power and the second DC power are obtained by converting three-phase power through a three-level active PFC unit. Subsequent to the voltage difference between the first DC power and the second DC power being determined, a full bus load is controlled to be turned on or off based on the voltage difference to stabilize a half bus voltage in a predetermined voltage interval.

Abstract: Disclosed are a super-resolution imaging system (1, 41, 51), a super-resolution imaging method, a biological sample identification system (4, 61) and method, a nucleic acid sequencing imaging system (5) and method, and a nucleic acid identification system (6) and method. The super-resolution imaging system (1, 41, 51) includes an illumination system (A) and an imaging system (B). The illumination system (A) outputs excitation light to irradiate a biological sample to generate excited light, and the imaging system (B) collects and records the excited light to generate an excited light image. The illumination system (A) includes an excitation light source (10, 10a) and a structured light generation and modulation device (11, 11a). The excitation light source (10, 10a) outputs the excitation light, and the structured light generation and modulation device (11, 11a) modulates the excitation light into structured light to irradiate the biological sample to generate the excited light.

Abstract: A gene sequencing reaction device, a gene sequencing system and a gene sequencing reaction method. The gene sequencing reaction device includes: a supporting platform; a dipping container disposed on the supporting platform, wherein the dipping container has a dipping reaction area, and the dipping reaction area is configured to hold a chemical reagent for gene sequencing reaction, so as to dip a sequencing chip having a DNA sample loading structure on the surface and having a DNA sample loaded thereon in the chemical reagent to perform a gene sequencing reaction; a temperature control apparatus, configured to control the temperature of the chemical reagent in the dipping reaction area; and a transfer apparatus, configured to insert the sequencing chip into the dipping reaction area or pull out the sequencing chip from the dipping reaction area.

Abstract: In an IEEE 802.11 wireless system, a sharing AP device (1A) shares a transmission opportunity with a shared AP device (2A) by transmitting a coordinated spatial reuse opportunity announcement control frame packet having defined signal fields which are used by the shared AP device (2A) to compute a transmit power limit for limiting interference at a first sharing STA device (1S) associated with the sharing AP device (1A) when transmitting one or more first downlink packets from the shared AP device (2A) to a first shared STA (2S) device associated with the shared AP device (2A).

Abstract: Improved cooling systems for handheld devices are disclosed. In some aspects, the cooling system may utilize air inlets disposed behind a guard to prevent debris or liquids from entering the handheld device and potentially causing damage to internal components of the handheld device. In aspects, a vents may be disposed on the guard to divert cooling air into a housing of the handheld device to cool internal components, such as the motor or a printed circuit board (PCB). In additional or alternative aspects, a motor mount may be provided that includes ribs defining air channels to divert or direct cooling air to components to be cooled. The air channels provided by the motor mount may enable the cooling air to reach portions of the internal components that may be distant from the air inlets of the housing.

Abstract: A SHP2 phosphatase allosteric inhibitor and a drug containing said inhibitor, the SHP2 phosphatase allosteric inhibitor having the structure shown in formula (I), and the use of an optical isomer compound of the SHP2 phosphatase allosteric inhibitor or a pharmaceutically acceptable salt thereof in the preparation of drugs for the treatment of tumor diseases.

Abstract: The present invention relates to the technical field of leakage protection, in particular to a leakage current detection circuit and a device thereof. The connected S1 inductive terminal and the S2 inductive terminal can be signal-connected, and the driving module detects whether the S1 inductive terminal and the S2 inductive terminal are connected by a signal. There is a connection signal to judge whether there is leakage, and the drive module turns the switch module on or off to control whether the circuit breaker generates a circuit breaker signal, and then the main switch S can be disconnected when leakage occurs to ensure the safety of electricity use. There is no need to set up a transformer. Reduced volume, simple circuit structure, and easier production.

Abstract: Disclosed are a method and system for automatic scan subject positioning in medical imaging. The method includes the following steps: acquiring scan information of a scan subject to be imaged and determining a scan subject scanning feature; identifying, on the basis of the scan subject scanning feature, a corresponding offset characteristic value from a mapping table between scanning features and offset characteristic values; and adjusting, on the basis of the corresponding offset characteristic value, a target position of the scan subject during automatic scan subject positioning.

Abstract: The present disclosure relates to image rendering methods apparatuses, and electronic devices. One example method includes obtaining, by a central processing unit (CPU), an image command stream used to render an image frame, comparing the image command stream with a previous image command stream, and, when a same drawing command exists in the two image command streams, instructing a graphics processing unit (GPU) to render the image frame based on a previously generated drawing target.

Abstract: This application provides a training method and apparatus for an image processing model, an electronic device, and a storage medium.

Abstract: A method for preparing a high-performance difficult-to-deform metal precision seamless pipe includes steps of performing a heat treatment; drilling; externally grinding; internally grinding; straightening; performing four-roller warm-rolling; performing warm-drawing to reduce a diameter; performing warm-expansion to reduce a wall thickness and increase the diameter; performing precise cold-rolling; degreasing; brightening; performing surface grinding; cleaning dust; detecting flaws; testing metal structure performance; and sizing and packaging. By cycling the warm-drawing, the warm-expansion, and the precision cold-rolling, key indicators such as product dimensional accuracy, surface quality, material properties, and crystal grain size can be collaboratively controlled, to achieve higher accuracy, better performance, and more outstanding extreme specifications.

Abstract: A wireless communication system, apparatus, and methodology are described for enabling wireless communication station (STA) devices to generate a Physical Layer Protocol Data Unit (PPDU) that includes a resource unit (RU) having a size that is less than a spreading frequency block by using one or more predetermined pilot and/or data tone mapping plans to control how each pilot/data tone from the RU is distributed onto a disjoint set of pilot/data subcarriers forming a distributed RU included in the spreading frequency block, thereby accommodating transmission of wider bandwidth and multiple resource unit assignments in accordance with power spectrum density (PSD) limits provided for orthogonal frequency-division multiplexing (OFDM) modulated symbols supported by emerging 802.11 standards.

Abstract: The present provides an electrospinning apparatus for fabricating a nanofiber of core-shell structure, including a high-voltage electrostatic generator, a frame and a liquid brusher. A horizontally moving means is connected to the frame, and the horizontally moving means is connected with the liquid brusher. A chain-drive mechanism and a first reservoir are provided below the liquid brusher, the chain-drive mechanism includes a first sprocket and a second sprocket, and a chain is connected between the first sprocket and the second sprocket. The chain is engaged with a spray sprocket, and the spray sprocket is connected with a first motor via a revolving shaft. A core solution is contained in the first reservoir, and the lower portion of the spray sprocket is immersed in the core solution. The horizontally moving means drives the liquid brusher to move along the chain, and the liquid brusher brushes the shell solution over the chain.

Abstract: A flexibly configured multi-computing-node server mainboard structure and a method. A processing unit connects to PCIE devices via I2C concurrently. The processing unit analyzes whether the acquired data of the PCIE devices are abnormal. The processing unit connects to a baseboard management controller via I2C, when the data are normal, the processing unit polls to transmit analyzed data to the baseboard management controller via I2C. When the data are abnormal, the processing unit pauses polling and transmitting information, and preferentially transmits abnormality information to the baseboard management controller. The processing unit is provided with an internal clock assembly and an external clock assembly, the external clock assembly is connected to a PCH, the internal clock assembly and the external clock module are connected to a data selector, and an output of the data selector is electrically connected to the PCIE devices.

Abstract: Improved cooling systems for handheld devices are disclosed. In some aspects, the cooling system may utilize air inlets disposed behind a guard to prevent debris or liquids from entering the handheld device and potentially causing damage to internal components of the handheld device. In aspects, vents may be disposed on the guard to divert cooling air into a housing of the handheld device to cool internal components, such as the motor or a printed circuit board (PCB). In some aspects, a motor mount may be provided that includes ribs defining air channels to divert or direct cooling air to components to be cooled. The air channels provided by the motor mount may enable the cooling air to reach portions of the internal components that may be distant from the air inlets of the housing. Transfer housings and gear guides may also be provided to improve stabilization and enhance cooling.

Abstract: A machine and its associated process for upset forging the ends of deformed reinforcement bars are disclosed. The machine includes 2 split clamping dies and an upsetting die, and they are housed in separate casings so that the clamping action is independent from the upsetting die. The clamping dies and the upsetting die form a continuous cavity for accommodating the forging of long bars. The upsetting die has a upsetting cavity with radial closed cross-section, and the whole forging process is performed inside this closed cavity to ensure it's a true closed-die forging process, which results in precise upset diameter with improved roundness of the rebar.

Abstract: This application discloses an image bloom processing method and apparatus, and a storage medium, and relates to the field of image processing technologies. An electronic device obtains a first brightness region class in a first image, where the first brightness region class includes one or more brightness regions in the first image; after determining that the first brightness region class in the first image is the same as a target brightness region class in a second image on which bloom processing is performed, the electronic device obtains a first intermediate image obtained after Gaussian blur processing is performed on the target brightness region class in the second image; and the electronic device generates a bloom image of the first image based on the first image and the first intermediate image.

Abstract: Phase separated articles that include a matrix phase including an acrylate copolymer; and a silicone elastomer phase stably dispersed in the matrix phase are described. The matrix phase may be derived from precursors comprising from 60 to 95 parts by weight of an alkyl acrylate having an alkyl group having 1 to 14 carbon atoms. Methods of forming phase separated articles, and articles including phase separated articles are also described.