Abstract: Disclosed is a method and system for grid connection management of renewable energy generation, the method comprises: obtaining operating condition data of a first power supply, a second power supply, a power grid, and a load in a preset period; establishing a first optimal control model according to the first condition data, and establishing a second optimal control model; monitoring grid connection management status of the first optimal control model and the second optimal control model; analyzing stability when the first optimal control model is switched to the second optimal control model. The beneficial effects of this disclosure are: completing the switch from the first optimal control model to the second optimal control model in the renewable energy generation grid connection management, which improves the smoothness of control model switching under different load conditions in the renewable energy generation process.

Abstract: Provided are a vibration object monitoring method and apparatus, a computer device, and a storage medium. The method includes: in response to detecting that a vibration object exists in a monitoring video picture for a target monitoring region, a vibration object region in the monitoring video picture is determined, where the vibration object region is a region where the vibration object is located in the monitoring video picture; displacement information of a key point of the vibration object in the vibration object region is recorded; vibration information of the vibration object in the monitoring video picture is determined based on the displacement information; and a vibration object monitoring result for the target monitoring region is generated according to the vibration information. The abnormal vibration monitoring can be performed on the vibration object in the target monitoring region in time according to this method.

Abstract: A wafer cleaning apparatus includes a chamber, a rotary chuck, a liquid spray post, a top lid, a liquid conveying pipeline, a protection pipeline, and a leak sensor. The rotary chuck is located in the chamber, and is configured to attach a wafer cassette. The liquid spray post is located in the chamber. The liquid spray post faces the wafer cassette. The top lid is located on the chamber. The liquid spray post is disposed on the bottom surface of the top lid. The liquid conveying pipeline is located outside the chamber and communicates the liquid spray post, and is disposed along a bottom surface and an external sidewall of the top lid. The protection pipeline sleeves on the liquid conveying pipeline. The leak sensor is located in the protection pipeline, and is located under the lowest section of the liquid conveying pipeline.

Abstract: The present disclosure discloses a firmware update method having firmware update troubleshooting mechanism. Partial data included in firmware data is used as test data to perform a test process to write the test data to a firmware storage terminal by using a control interface of a processing terminal according to the setting of access parameters, read the written test data from the firmware storage terminal through the control interface and compare the written test data and the test data to generate a comparison result. A parameter adjustment process is performed when the comparison result indicates a mismatching condition such that the test process is performed again and the parameter adjustment process is further performed. When the comparison result indicates a matching condition, the firmware data is transmitted to the processing terminal and is written to the firmware storage terminal by using the control interface.

Abstract: The present disclosure discloses a continuous string welding device for photovoltaic cells and a welding method. The device includes a power transmission mechanism and a welding light box. The power transmission mechanism includes a welding strip positioning section, a buffering section and a welding section that perform conveying independently from each other in sequence in the conveying direction. The buffering section is capable of storing at least one string of cells. The welding light box is located in the welding section. The welding strip positioning section performs step-by-step motion conveying. The welding section performs continuous motion conveying. The buffering section is configured to receive a predetermined number of cells from the welding strip positioning section, connect the predetermined number of cells in series, and then convey the predetermined number of cells connected in series to the welding section.

Abstract: Disclosed are a method and device for realizing advanced nitrogen removal of mature landfill leachate and sludge reduction by using sludge fermentation products as carbon source, belonging to the field of biological treatment of sludge of high ammonia nitrogen wastewater.

Abstract: Provided is a focusing assembly including a focusing barrel and a barrel retaining ring; the focusing barrel includes a first sleeve, a second sleeve, and a third sleeve that are sequentially sleeved from inside to outside of the focusing barrel; the first sleeve is provided with a lens mounting portion for mounting a focusing lens, a first end of the second sleeve is provided with a display screen mounting portion for mounting a display screen, a second end of the second sleeve is detachably connected to the barrel retaining ring, the first end and the second end being opposite ends of the second sleeve; and the lens mounting portion and the display screen mounting portion are configured such that the relative position thereof in a focusing direction of the focusing assembly is adjustable.

Abstract: Techniques are described to enable a user equipment (UE) to save power consumption and/or can enable the UE to acquire the channel state in time without reducing the UE's data transmission efficiency. An example technique includes determining, by the communication device, an operating mode based on a first signaling, and operating the communication device in the operating mode, where the operating mode includes any one of a normal mode, a first power saving mode, a second power saving mode, a third power saving mode, or a fourth power saving mode.

Abstract: An image quality improvement method and an image processing apparatus using the same are provided. Denoising filtering is performed to an original image by a filter to obtain a preliminary processing image. The preliminary processing image is input to a multi-stage convolutional network model to generate an optimization image through the multi-stage convolutional network model. The multi-stage convolutional network model includes multiple convolutional network sub-models, and these convolutional network sub-models respectively correspond to different network architectures.

Abstract: A series-parallel monorail hoist based on an oil-electric hybrid power and a controlling method thereof. The monorail hoist includes a cabin, a hydraulic driving system, a lifting beam, a gear track driving and energy storage system, and a speed adaptive control system connected in series with each other and travelling on a track. The monorail hoist is capable of implementing an independent drive by an electric motor or a diesel engine in an endurance mode, a hybrid drive of the electric motor and the diesel engine in a transportation mode, and a hybrid drive of the diesel engine and a flywheel energy storage system in a climbing mode, according to different operating conditions that include conditions of an upslope, a downslope and a load. Power requirements for the monorail hoist under various operating conditions are satisfied, and the excess energy is recovered during the process of travelling.

Abstract: A multi-die package on package includes a bottom package having a first device die and a second device die. A top package including a memory die is stacked on the bottom package.

Abstract: ETA (estimated time of arrival) calculation for a mobile machine is disclosed. The ETA of the mobile machine to a destination is calculated by obtaining a current pose of the mobile machine, obtaining a global path from the current pose of the mobile machine to the destination, obtaining a local path, calculating a dynamic ETA for each pair of the consecutive poses in the local path and summing the calculated dynamic ETAs, calculating a baseline ETA for each pair of consecutive poses from a pose in the global path that is closest to the last pose in the local path to the last pose in the global path and summing the calculated baseline ETAs, and obtaining a total ETA to the destination based on the dynamic ETA and the baseline ETA.

Abstract: A power converter includes a primary-side rectifying/filtering circuit, an AC-DC converter, a DC/DC converter, a primary-side controller, a secondary-side rectifying controller, and a secondary-side feedback controller. The primary-side rectifying/filtering circuit receives an input voltage, and rectifies and filters the input voltage into an adjusted input voltage. The AC-DC converter receives the adjusted input voltage. The primary-side controller provides a first control signal to control the AC-DC converter to convert the adjusted input voltage into a DC input voltage, and provides a second control signal to control the DC-DC converter. The secondary-side rectifying controller provides a third control signal to control the DC-DC converter to convert the DC input voltage into a conversion voltage to supply power to a load according to a gain condition.

Abstract: Provided are antibodies that specifically bind to T-cell immunoglobulin domain and mucin domain 3 (Tim-3). The anti-Tim-3 antibodies can be used to treat, prevent or diagnose immune, cancerous, infectious diseases or other pathological disorders that may be modulated by Tim-3-mediated functions.

Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a base substrate, a first active layer, a first gate insulating layer, a first gate layer, and a second gate insulating layer stacked in sequence on the base substrate, and a metal layer, a first interlayer dielectric layer, a first source, and a first drain. A first metal portion and a second metal portion of the metal layer are respectively filled in a first through hole and a second through hole of the second gate insulating layer and are electrically connected to the first active layer.

Abstract: Disclosed are some implementations of systems, apparatus, methods and computer program products for executing process flows. A request to initiate execution of a flow is processed, where the request is received from a first user. The flow includes a plurality of flow elements, where each of the flow elements represents a corresponding set of computer-readable instructions. Execution of the flow is initiated and an operation mode assigned to one of the flow elements is determined. A set of computer-readable instructions corresponding to the flow element is executed according to the operation mode such that an identity of the first user is recorded in association with an operation on a database record, wherein permissions allocated in a user profile to the first user do not provide the first user permission to cause the operation on the database record.

Abstract: The present invention provides a liquid-cooled integrated cabinet, which belongs to the technical field of servers, and comprises a main body. A power distribution module is provided at the upper end of the main body, and multiple computing power modules which constitute a computing power center are parallelly provided on one side of the lower end of the main body; cooling fans stacked on top and bottom in multiple layers are arranged on the other side thereof; the computing power module is cooled by a liquid-cooled module, and the liquid-cooled module is a front and rear drawing structure relative to the main body. The cooling fan bears 8%-12% of the heat dissipation capacity. A cold plate shell in the liquid-cooled module contacts and conducts heat with a chip in the computing power module.

Abstract: A semiconductor device includes a first layer structure, a second layer structure, a bridge die, a first SoC and a second SoC. The bridge die is disposed between the first layer structure and the second layer structure. The first SoC and the second SoC are disposed on the second layer structure. The first SoC and the second SoC are electrically connected through the bridge die.

Abstract: Collision avoidance for a mobile machine having a plurality of sensors is disclosed. The mobile machine is avoided from colliding with a collision object by fusing sensor data received from the plurality of sensors to obtain a plurality of data points corresponding to the collision object, calculating a closed-form solution of a distance between the mobile machine and each of the plurality of data points, calculating a maximum allowed velocity of the mobile machine based on the shortest distance between the mobile machine and the plurality of data points and a current velocity of the mobile machine, and controlling the mobile machine to move according to the maximum allowed velocity.

Abstract: Provided are antibodies that specifically bind to Programmed Death-1 (PD1, Pdcd-1, or CD279) and inhibit PD1-mediated cellular signaling and activities in immune cells, antibodies binding to a set of amino acid residues required for its ligand binding, and uses of these antibodies to treat or diagnose cancer, infectious diseases or other pathological disorders modulated by PD1-mediated functions.