Abstract: Disclosed are a power device and a photovoltaic power generation device. The power device comprises a case, a first power board, and a second power board, the first power board is arranged in the case, and a first boosting module and an inverter module are arranged on the first power board; the second power board is arranged in the case, the second power board is electrically connected to the first power board, and a second boosting module is arranged on the second power board. According to the technical solution of the present invention, the rated power generation power of the photovoltaic power generation device can be increased, and the flexibility for clients is improved.

Abstract: A method for extracting a black-odorous water body based on a CART classification model includes: selecting a research region, designing sampling points within the region; monitoring relevant chemical indicators of the water body at various sampling points, extracting remote sensing reflectance data of the water body, determining a type of the water body according to a classification standard of relevant chemical indicators for an urban black-odorous water body; comparing and analyzing the remote sensing reflectance data to obtain spectral change features of the black-odorous water body and a general water body; constructing each node of a decision tree according to the spectral change features and based on Gini index, constructing a decision tree classification model to obtain classification results of the black-odorous water body and the general water body, calculating a classification accuracy; analyzing the classification results to obtain spatiotemporal distribution changes of black-odorous water bodies

Abstract: A ketoamide compound and a preparation method, a pharmaceutical composition, and a use thereof. Specifically, the ketoamide compound shown in formula (A), a racemate, an enantiomer, or a diastereoisomer thereof, or any mixture of same, or a pharmaceutically active metabolite thereof, or a pharmaceutically acceptable salt, solvate, or prodrug thereof. The ketoamide compound can effectively inhibit coronavirus or Ebola virus, and thereby implement the prevention or treatment of diseases related to coronavirus or diseases related to Ebola virus.

Abstract: Provided are a printing device and a method for an LED retaining wall of a display panel. The device includes a motion control system, an adsorption apparatus, a measuring system, a Z-axis controller, a target multi-needle module and a target station. The motion control system is configured to control printing of a target LED retaining wall on an upper surface of a target substrate on the target station. The adsorption apparatus is configured to make a lower surface of the target substrate adsorbed onto a sucker by a vacuum pump. The measuring system includes a sensor and a sensor controller, and the sensor is configured to measure flatness data of the target substrate. The Z-axis controller is configured to control a printing receiving distance between the target multi-needle module and the upper surface of the target substrate.

Abstract: An eye movement tracking device includes: a light source located at the light-emitting side of the display module and configured for providing a first light ray for irradiating an eye; a plurality of photoelectric sensing elements arranged in a non-display region of the display module and configured for receiving a second light ray to determine a position of a pupil of the eye; an optical structure located between the optical lens and the display module, including a plurality of optical transparent areas in one-to-one correspondence to the plurality of photoelectric sensing elements, each of the optical transparent areas being configured for transmitting the second light ray to a corresponding photoelectric sensing element; the second light ray being a light ray which passes through a center point of the optical lens after the first light ray is reflected back by the eye. An eye movement tracking method is also disclosed.

Abstract: Systems and techniques are provided for processing image data. For example, a process can include generating one or more object detection outputs based on an input image. A plurality of image patches can be determined for the input image. Based on the object detection outputs, a first subset of the image patches can be determined as associated with a first inference precision level and a second subset of the image patches can be determined as associated with a second inference precision level different from the first inference precision level. A processed image patch can be generated for each image patch of the first subset using an image processing machine learning model quantized to the first inference precision level. A processed image patch can be generated for each image patch of the second subset using an image processing machine learning model quantized to the second inference precision level.

Abstract: In some embodiments, after receiving a first set of video segments of a video, a method starts a first computing instance and receives a video segment of the video using the first computing instance. A measurement is calculated based on receiving the video segment. The method uses the measurement to determine whether the first computing instance should continue to be used to receive video segments in the video or should be terminated to not receive video segments in the video.

Abstract: The present invention relates to a flavor nanoemulsion comprising a surfactant system comprising a polyoxyethylene sorbitan fatty acid ester and a polyglycerol ester of fatty acids (PGE), a non-polar phase comprising a flavor oil, and a polar phase. The invention further relates to a flavored beverage comprising the flavor nanoemulsion according to the invention.

Abstract: A substrate support assembly includes a shaft with a platen extending perpendicularly from the shaft at an upper end of the shaft. The shaft includes an electric line and a plurality of coolant conduits. A cooling plate including a coolant channel fluidically coupled to the coolant conduits is mounted to the platen, and extends beyond an outer rim of the platen. A puck assembly including a heater is mounted to the cooling plate. A simultaneous operation of the heater and a flow of coolant through the coolant channel regulates a temperature gradient across the puck assembly during a substrate processing operation.

Abstract: The present invention provides a JAK inhibitor having high oral bioavailability, characterized in that the JAK inhibitor includes: a Formula I compound, or a stereoisomer, geometric isomer, tautomer, hydrate, solvate, or pharmaceutically acceptable salt thereof as an active ingredient. The JAK inhibitor with high oral bioavailability provided by the present invention can overcome the problem that existing JAK inhibitors have low oral bioavailability, and involves further modifying a chemical compound so as to change the physicochemical characteristics of one or several small molecule compounds, thus increasing the in-vivo cell absorption performance of said compound(s), greatly improving the bioavailability of the medication and providing new possibilities for drug delivery and utilization for said compound medication.

Abstract: There is a provided a pointing device, for example a remote pen which includes a multimode switch or button for transitioning the pointing device between three or more modes of operation. The mode of operation can include a first mode, an annotation mode and an air mouse mode. The remote point device further includes an inertial measurement unit configured for determination orientation information associated with the pointing device, which provides a means for determination of changes in x and y with respect to a cursor associated with a screen of a display device being controlled by the pointing device. The pointing device is further configured to provide different control/display (C/D) gains depending on the action being performed by the pointing device.

Abstract: An electronic device includes a first body, a second body, a middle cover, and a flexible printed circuit. The flexible printed circuit includes a through-shaft section, a reinforcing plate is provided on a surface of the through-shaft section, the reinforcing plate includes a support sheet and a flexible region, and the support sheet is stacked on and fastened to a surface of the through-shaft section. The flexible region is provided on the support sheet or divides the support sheet into a plurality of sheet bodies. The first body and the second body are rotatably connected to two opposite sides of the middle cover, respectively. The flexible printed circuit extends from the first body to the second body, to connect the first body and the second body, and the reinforcing plate is located in the middle cover and is fastened to the middle cover.

Abstract: A waterproof electronic device includes a shell, a first electronic module, a second electronic module, and a flexible printed circuit FPC. A first compartment and a second compartment which are in communication with each other through a through hole are formed in the shell. The through hole is used for the FPC to pass through. The first and second electronic module are arranged in the first and second compartment respectively. The first electronic module is coupled to the second electronic module by the FPC which passes through the through hole. An opening in communication with the through hole is provided on the shell. A magnetic colloidal structure is arranged in the through hole, where the magnetic colloidal structure seals the through hole.

Abstract: Exemplary substrate processing systems may include a chamber body defining a transfer region. The systems may include a lid plate seated on the chamber body. The lid plate may define a plurality of apertures. The systems may include a plurality of lid stacks equal to a number of the plurality of apertures. The systems may include a plurality of substrate support assemblies equal to the number of apertures defined through the lid plate. Each assembly may be disposed in one of the processing regions and may include an electrostatic chuck body defining a substrate support surface that defines a substrate seat. Each assembly may include a heater embedded within the chuck body. Each assembly may include bipolar electrodes between the heater and the substrate support surface. Each assembly may include a conductive mesh embedded within the body between the heater and bipolar electrodes.

Abstract: The present disclosure provides a summary generation model training method and apparatus, a device and a storage medium, and relates to the field of computer technologies, and in particular, to the field of artificial intelligence such as natural language processing and deep learning. The summary generation model training method includes: acquiring a document representation corresponding to a document sample; constructing, based on the document representation, a summary representation corresponding to the document representation, the summary representation including a positive summary representation and a negative summary representation; and constructing a total contrastive loss function based on the document representation, the positive summary representation and the negative summary representation, and training a summary generation model based on the total contrastive loss function. The present disclosure may improve accuracy of the summary generation model.

Abstract: A threading sealing box includes a box body and a threading assembly, and an opening is formed in the box body, a mounting groove is formed in a side wall of the box body, the threading assembly comprises a threading plate assembly and a threading body, the threading plate assembly is slidably arranged in the mounting groove so as to slide into or slide out of the mounting groove, a penetrating hole is formed in the threading plate assembly, the threading body is arranged on the threading plate assembly, and the threading body communicates with the penetrating hole. A cable penetrating through the threading body can be circumferentially sealed by the threading body, thereby effectively reducing the water leakage risk; the cable does not need to be locked by using accessories such as a waterproof terminal, such that the operation is simple.

Abstract: A light emitting device includes an epitaxial structure and first and second electrodes on a side of the epitaxial structure. The epitaxial structure includes a first-type semiconductor layer, an active layer, and a second-type semiconductor layer. The active layer is disposed between the first-type semiconductor layer and the second-type semiconductor layer. The first electrode is disposed on the epitaxial structure to be electrically connected with the first-type semiconductor layer. The second electrode is disposed on the epitaxial structure to be electrically connected with the second-type semiconductor layer. The second electrode is in ohmic contact with a second-type window sublayer of the second-type semiconductor layer.

Abstract: The present disclose provides a wearable display device and a method of determining a gaze position, relating to the field of virtual reality technology. Because the wearable display device has a high efficiency in processing electric signals transmitted by each of photoelectric sensor assemblies, the wearable display device may quickly determine the gaze position of eyes of a user on the display panel based on an electric signal transmitted by each of photoelectric sensor assemblies. In this way, the efficiency of displaying images by the display panel, and thus a higher refresh rate of the display panel is achieved.

Abstract: A data stream transmission method includes: sending a first target signal; obtaining a first moment, where the first moment is obtained based on a time point at which a first receiving device on a second device receives the first target signal; obtaining a second moment, where the second moment is obtained based on a time point at which a second receiving device on the second device receives the first target signal, where the first receiving device and the second receiving device are located at different positions of the second device, and the second device is a head-mounted device; and when determining, based on the first moment and the second moment, that a data transmission condition is met, transmitting a target data stream to the second device.

Abstract: A lithium metal battery includes a positive electrode plate, a negative electrode plate, and an electrolyte. The electrolyte includes a lithium salt and a solvent. A molar concentration of the lithium salt is A mol/L, where 2?A?4. The solvent includes a first solvent. Based on a total mass of the solvent in the electrolyte, a mass percentage of the first solvent is B %, satisfying 10?B?50. The lithium metal battery satisfies a relation: 40?A×B?100. In the lithium metal battery and the electronic apparatus provided in this application, cycling performance and safety performance of the lithium metal battery are improved through the adjustment of components of a fluorine-containing solvent in the electrolyte and components and structure of an SEI film at a negative electrode side.