Abstract: Disclosed are a variable capacity compressor operation mode determination method and device, a variable capacity compressor and an air conditioner. The variable capacity compressor operation mode determination method includes: detecting a current value of a compressor at present as A1 before switching an operation mode of the compressor; detecting the current value of the compressor at present as A2 after switching the operation mode of the compressor and reaching a preset time; comparing A1 and A2, determining that the switching of the operation mode of the compressor is successful when a ratio relationship between A1 and A2 satisfies a preset condition, and determining that switching of the operation mode of the compressor is failed when the ratio relationship between A1 and A2 dissatisfies a preset condition.

Abstract: Techniques are described for estimating pose of a camera located on a vehicle. An exemplary method of estimating camera pose includes obtaining, from a camera located on a vehicle, an image including a lane marker on a road on which the vehicle is driven, and estimating a pose of the camera such that the pose of the camera provides a best match according to a criterion between a first position of the lane marker determined from the image and a second position of the lane marker determined from a stored map of the road.

Abstract: According to some embodiments, a method includes: receiving, by a computing device, information about a task of application, the task associated with a project; receiving, by the computing device, information about other tasks of the application including other tasks that have been completed and other tasks that have not been completed; calculating, by the computing device, a start date and an expected effort for the task based on analysis of the information received for the task and the other tasks; and causing, by the computing device, an update within the application to apply the calculated start date and expected effort to the task.

Abstract: Systems and methods of controlling a state of electronic messaging applications are provided. A system detects a launch of a network application via an embedded browser. The network application is associated with a session identifier of a user. The system identifies one or more electronic messaging applications on a client device of the user. The system transmits, responsive to the launch of the network application associated with the session identifier, an instruction to one or more servers managing the one or more electronic messaging applications to control a state of the one or more electronic messaging applications.

Abstract: Methods, apparatuses, and systems for intention based search techniques are described herein. An example method comprises receiving data indicative of an intent of a user to perform an action via at least one application, the data comprising a description of the action that is input via a client device application on a client device, identifying, by the computing device, the at least one application based on a comparison of the description of the action and one or more records, the one or more records being indicative of prior intents of one or more users to perform actions and indicative of at least one selection by the one or more users to perform the actions with a selected application, and providing, by the computing device, output to the client device to enable performance of the action via the at least one application.

Abstract: In accordance with one disclosed method, a client device may be caused to present a user interface for an application, the user interface enabling selective access to a plurality of resources via the client device. A state of a peripheral device that is connectable to the client device may be determined and, based at least in part on the state of the peripheral device, at least a first resource, from among the plurality of resources, may be identified with which the peripheral device can interact. Based at least in part on the identifying of the first resource, the user interface may be caused to include at least a first selectable user interface element that, when selected, causes the client device to access to the first resource so as to enable the peripheral device to interact with the first resource.

Abstract: The present disclosure provides a gallium nitride substrate, where the gallium nitride substrate has a surface having a diameter not less than 50 mm; nine circular regions having a diameter not greater than 1 mm are taken on a surface of the gallium nitride substrate; threading dislocation densities and threading dislocation tilt angles are calculated at the nine circular regions using a multi-photon excitation photoluminescence spectrum; an average value of products of the threading dislocation densities in the nine circular regions and tangent values of the threading dislocation tilt angles is not greater than 1E6 cm?2; and a quotient of a difference between a maximum value and a minimum value of the products of the threading dislocation densities in the nine circular regions and the tangent values of the threading dislocation tilt angles divided by the average value is not greater than 50%.

Abstract: An ultrasonic stepping motor device for generating ultra-fine single droplet includes a valve housing, a valve core, and a spring. The valve core and the spring are installed inside the valve housing, and the valve core abuts against a liquid inlet of the valve housing under an elastic force of the spring. The valve housing is connected with a injector through a catheter, and the catheter is driven for linear operation by the inverse piezoelectric effect of piezoelectric ceramics through an ultrasonic linear motor. A right end of the catheter is equipped with a rubber piston, and the rubber piston is arranged in a cavity of the injector and matched with the injector. Since the piezoelectric vibrator driven catheter can produce nano feed length, and the volume of droplets overflowed each time can reach micron level, which can meet the requirements of producing micro droplets.

Abstract: A computer-implemented method comprises receiving an image captured by a camera on an unmanned aerial vehicle (UAV). The image depicts an environment below the UAV. A feature mask associated with the image is generated via a machine learning model that is trained to identify and semantically label pixels representing the environment depicted in the image. One or more reference tiles associated with the environment are retrieved. The reference tiles are associated with particular geographic locations and specify semantically labeled pixels representing the geographic locations. The semantically labeled pixels of the feature mask are correlated with the semantically labeled pixels of at least one of the one or more reference tiles to determine the geographic location of the UAV in the environment.

Abstract: The present disclosure discloses a method for removing chlorinated hydrocarbons in groundwater through step-by-step electrocatalytic dechlorination degradation. A double-chamber electrolyzer reactor is used to carry out step-by-step electrocatalytic dechlorination degradation to remove chlorinated hydrocarbons in groundwater. The double-chamber electrolyzer reactor comprises a cathode chamber, a proton exchange membrane, an anode chamber and an intermediate processing unit, wherein the cathode chamber is separated from the anode chamber through the proton exchange membrane, and the intermediate processing unit is connected between the cathode chamber and the anode chamber through a cathode chamber water outlet, an anode chamber water inlet and pipelines.

Abstract: A method for detecting hidden malicious traffic based on a traffic interaction map and a device are provided. The method includes monitoring traffic passing through a gateway by a detection system operating in the gateway; obtaining a data packet granularity feature by performing feature extraction of granularity of a data packet on the traffic monitored; constructing a traffic interaction map according to the data packet granularity feature to represent a long-term interaction mode of the traffic by a graph structure of the traffic interaction map; and detecting an abnormal local structure on the traffic interaction map by a detection algorithm of graph learning based on the traffic interaction map, and marking the abnormal local structure as the corresponding hidden malicious traffic.

Abstract: An airspace network optimization method based on a flight normality target is capable of comprehensively considering spatial and temporal distribution of national air traffic demands, a service capability of an airspace network and a capacity increase limit of each airspace unit according to the flight normality optimization target on the basis of carrying out pre-analysis on a flight operation efficiency under a current airspace service capability, to position a key problem airspace and generate a capacity expansion suggestion of the related airspace; and aims at improving the flight operation efficiency by expanding the airspace service capability, and providing technical support for a user to carry out analysis and optimization work of national airspace network problems at a strategic level.

Abstract: The present disclosure relates compartmental administration of modified extracellular vesicles, e.g., exosomes. In some aspects, the extracellular vesicle, e.g., exosome, comprises a biologically active molecule and a targeting moiety.

Abstract: The present application provides a video processing method, a device, and a storage medium. The method includes: coding and decoding an original video to obtain a mixed resolution video, where the mixed resolution video includes a first resolution frame and a second resolution frame each corresponding to a key frame, and a third resolution frame corresponding to a non-key frame, where the first resolution frame has a resolution higher than a resolution of the second resolution frame or a resolution of the third resolution frame; and amplifying, according to the first resolution frame and the second resolution frame, the third resolution frame corresponding to the non-key frame to output an amplified video, where the amplified video includes the first resolution frame corresponding to the key frame, and an amplified target frame corresponding to the non-key frame.

Abstract: The present disclosure relates to extracellular vesicles (EVs), e.g., exosomes, comprising a payload (e.g., an antigen, adjuvant, and/or immune modulator) and/or a targeting moiety. Also provided herein are methods for producing the EVs (e.g., exosomes) and methods for using the EVs (e.g., exosomes) to treat and/or prevent diseases or disorders, e.g., cancer, graft-versus-host disease (GvHD), autoimmune disease, infectious diseases, or fibrotic diseases.

Abstract: One disclosed method involves a computing system determining a keyword of interest for an online meeting being presented via a user interface, determining that content of the online meeting corresponds to the keyword of interest, and causing, in response to the content of the online meeting corresponding to the keyword of interest, the user interface to output an indication that the content of the online meeting being presented is potentially of interest. Another disclosed method involves a computing system determining data indicative of a number of client devices, from a plurality of client devices participating in an online meeting, for which a user interface for the online meeting is presented in an active window, and causing, based at least in part on the data, a first client device, from the plurality of client devices, to output an indication that content of the online meeting being presented is potentially of interest.

Abstract: Systems and methods are provided for a battery management system (BMS) having a protection circuit. In one example, a vehicle battery system may include the BMS, the BMS including a cutoff circuit coupled to a short-circuit protection circuit, and a battery pack, wherein the short-circuit protection circuit may include a diode array, cathodes of the diode array being coupled to a positive terminal post of the battery pack and anodes of the diode array being coupled to a negative terminal post of the battery pack. In some examples, the cutoff circuit may further be coupled to a reverse bias protection circuit including a switchable current path arranged between a control input of the cutoff circuit and an output of the cutoff circuit. In this way, the vehicle battery system may be protected from unexpected voltage conditions via the BMS redirecting and dissipating excess current away from the cutoff circuit.

Abstract: Systems and methods are provided for a battery management system (BMS) having a protection circuit. In one example, a vehicle battery system may include the BMS, the BMS including a cutoff circuit coupled to a short-circuit protection circuit, and a battery pack, wherein the short-circuit protection circuit may include a diode array, cathodes of the diode array being coupled to a positive terminal post of the battery pack and anodes of the diode array being coupled to a negative terminal post of the battery pack. In some examples, the cutoff circuit may further be coupled to a reverse bias protection circuit including a switchable current path arranged between a control input of the cutoff circuit and an output of the cutoff circuit. In this way, the vehicle battery system may be protected from unexpected voltage conditions via the BMS redirecting and dissipating excess current away from the cutoff circuit.

Abstract: The present application relates to the field of image processing, and provides an image denoising method and apparatus, an electronic device and a storage medium. The image denoising method includes: acquiring an image to be processed, and inputting the image to be processed into an image denoising model to acquire a denoised image, wherein the image denoising model is a model formed by combining a U-shaped network, a residual network and a dense network.

Abstract: In one disclosed method, a computing system receives a first request to download a first file to a client device. The computing system further sends, based at least in part on the first request, a first digest of the first file to the client device to enable the client device to compare the first digest with at least a second digest of a second file stored locally at the client device. The computing system further receives, after sending the first digest to the client device, a second request to refrain from downloading the first file to the client device.