Abstract: Disclosed is a reactive organosilicon thixotropic agent, an organosilicon encapsulation adhesive containing the reactive organosilicon thixotropic agent, and an LED element encapsulated by using the organosilicon encapsulation adhesive. In the present disclosure, the reactive organosilicon thixotropic agent is prepared by a hydrosilylation reaction of cyclic hydrogen-containing polysiloxane or branched hydrogen-containing polysiloxane that contains phenyl with unsaturated polyether under the condition that the ratio of the total quantity of SiH bonds in the cyclic hydrogen-containing polysiloxane or the branched hydrogen-containing polysiloxane to the total quantity of olefinic bonds in the unsaturated polyether is greater than 1, can provides the organosilicon encapsulation adhesive with stable thixotropic property, high transparency, and excellent mechanical property and adhesion property at the same time, and thus an LED element having great encapsulation property is manufactured.

Abstract: Aspects of the present disclosure are directed to an avatar reaction system in which messaging can be initiated via an avatar. Aspects are also directed to automated controls for connecting an artificial reality trigger to an action. Aspects are further directed to adding a like to a gesture target based on interpreting a gesture. Aspects are yet further directed to administering a conversation thread, for a game, over a messaging platform. Additional aspects are directed to connecting a game with a conversation thread to coordinate game challenges. Further aspects are directed to establishing a shared space for a 3D call with participants' hologram representations mirrored as compared to how images of the participants are captured. Yet further aspects of the present disclosure are directed to scanning a physical space to onboard it as a messaging inbox and providing the scanned space for delivery point selection to a message sender.

Abstract: The application relates to a method and device for locating equipment-level oscillation sources of DFIG grid-connected system, which belongs to the technical field of wind generation, and solves the problem of stable operation of the wind power grid-connected system at the current stage. The method comprises: constructing the energy correlation topology network of the components in DFIG; analyzing the dynamic energy flows between the components during the oscillation process; calculating magnitudes of the causality between the dynamic energy flows; building a causality diagram of oscillation transmission in the DFIG; analyzing the distribution of the magnitude of the causality in the diagram, determining the oscillation transmission routes and locating the oscillation sources.

Abstract: The present embodiments relate to display of glints associated with real-world objects in an environment displayed on an extra reality (XR) device. The glint can include a virtual object associated with a real-world object, such as an indication of a social interaction associated with a real-world object, a content item tagged to an object, etc. The system as described herein can present glints on a display of an XR device based on a distance between the XR device and a location associated with the glint. Responsive to selection of a glint in the environment, additional information can be presented relating to the glint or another action can be taken, such as to open an application. In some instances, a glint can include a series of search results relating to a corresponding real-world object to provide additional information relating to the real-world object.

Abstract: Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high activity and a long term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution.

Abstract: A display panel includes a plurality of source driving chips, a power management circuit, and a plurality of switching units. The power management circuit includes a first output terminal, and the first output terminal is configured to provide a digital power signal to the source driving chips; and the plurality of switching units are respectively arranged corresponding to at least one of the source driving chips, the switching units are connected to the first output terminal and the corresponding source driving chips, and at least part of the switching units are configured to turn on the corresponding source driving chips and the first output terminal in different time periods in response to different control signals.

Abstract: The disclosure discloses a commutation failure prediction method, device and storage medium based on energy accumulation features of inverter. The method includes the following steps: collecting instantaneous values of three-phase valve side current and calculating the derivatives of the three-phase valve side current according to the instantaneous values of three-phase valve side current; the derivative includes positive, negative and zero states; according to the derivatives of the three-phase valve side current, determining the locations of incoming valve and ongoing valve; based on the valve side current of the incoming valve and ongoing valve, calculating energy accumulation features of the 12-pulse inverter; predicting whether the commutation failure from the incoming valve to the ongoing valve will happen according to the states of the derivatives of the three-phase valve side current and the energy accumulation features of the 12-pulse inverter.

Abstract: Provided is a multi-center synergetic cancer prognosis prediction system based on multi-source migration learning. The system includes a model parameter setting module, a data screening module, and a multi-source migration learning module, wherein the model parameter setting module is responsible for setting cancer prognosis prediction model parameters; the data screening module is arranged at a clinical center, and a management center transmits the set model parameter to each clinical center, such that each clinical center inquires a sample feature and prognosis index data from a local database according to the model parameter, so as to preprocess the data; and the multi-source migration learning module includes a source model training unit, a migration weight calculation unit, and a target model calculation unit.

Abstract: The present application proposes a method of locating oscillation sources of wind power integrated system based on energy spectrums. The method include: collecting information of voltage and current at the terminal of each generator and obtaining a dynamic energy curve of each generator over time; choosing the generators whose curve shows an upward trend in the dynamic energy over time curve into alternative generators; obtaining and processing energy spectrums of synchronous generator, DFIG with PLL, and/or an analogical energy spectrum of DFIG with virtual inertia among the alternative generators; selecting generator with maximum proportion of dominant oscillation mode as an oscillation source reference generator; and calculating the similarity coefficients between energy spectrums of each remaining candidate generator and the oscillation source reference generator, determining the oscillation source generators.

Abstract: The disclosure relates to an active damping control method and system for sub-synchronous oscillation of DFIG, and storage medium. The method comprises the following steps: collecting oscillation components of stator current and/or stator voltage; determining each energy branch in DFIG converter according to the flow path of the oscillation component(s) of the stator current and/or the stator voltage in DFIG converter; determining the corresponding function of each energy branch according to oscillation component(s) the stator current and/or the stator voltage; determining the energy compensation branch and its corresponding energy compensation function in DFIG converter according to the corresponding function of each energy branch and converter parameters; controlling the sub-synchronous oscillation of DFIG by controlling the energy compensation branch according to the energy compensation function.

Abstract: The disclosure relates to a method and system for evaluating the stability of HVDC receiving end system and storage medium, which relates to the technical field of high voltage direct current transmission. The method includes: collecting voltage at a generator port, current at the generator port and rotational speed of the generator after eliminating fault; determining a corresponding relationship between the generator dynamic energy and the time according to the voltage at the generator port, the current at the generator port and the rotational speed of the generator; determining the attenuation intensity of the generator dynamic energy according to the corresponding relationship between the generator dynamic energy and the time; determining stability of the HVDC receiving end system according to the attenuation intensity of the generator dynamic energy.

Abstract: The disclosure relates to a method and system for AC line distance protection in AC/DC hybrid power grid, and storage medium.

Abstract: The disclosure discloses a commutation failure prediction method, device and storage medium based on energy accumulation features of inverter. The method includes the following steps: collecting instantaneous values of three-phase valve side current and calculating the derivatives of the three-phase valve side current according to the instantaneous values of three-phase valve side current; the derivative includes positive, negative and zero states; according to the derivatives of the three-phase valve side current, determining the locations of incoming valve and ongoing valve; based on the valve side current of the incoming valve and ongoing valve, calculating energy accumulation features of the 12-pulse inverter; predicting whether the commutation failure from the incoming valve to the ongoing valve will happen according to the states of the derivatives of the three-phase valve side current and the energy accumulation features of the 12-pulse inverter.

Abstract: The disclosure relates to a method, system and storage medium for suppressing sub/super-synchronous oscillation for direct-drive wind turbine based on energy compensation.

Abstract: The present disclosure is directed to a single-phase reclosing method, device and storage medium for AC/DC system. The method comprises: acquiring three-phase voltages at inverter-side AC bus close to the transformer, three-phase currents measured at the outlet of inverter-side AC line and three-phase voltages at inverter-side AC bus far from the transformer; calculating the energy calculation value and energy operation value of the fault line; identifying the fault nature of fault line within the maximum time delay, according to the energy calculation value and energy operation value of fault line and an energy criterion of transient/permanent fault; issuing a reclosing control signal based on the fault nature of fault line to realize effective reclosing of the fault line.

Abstract: An image capturing method and a terminal device are provided. The method includes entering a camera application to start a lens and display a viewfinder interface, converting an original image captured by the lens into a red-green-blue (RGB) image, and decreasing luminance of the RGB image to be less than first luminance or increasing the luminance of the RGB image to be greater than second luminance, to obtain a first image; converting the RGB image into N frames of high-dynamic-range (HDR) images, and fusing color information of pixels in any same location on the first image and the N frames of HDR images to obtain a final image.

Abstract: An accent lighting system is configured to provide accented light onto a desired location. The accent lighting system includes an accent adapter assembly that is configured to securely couple to a light source. The accent adapter assembly includes an accenting plate that is configured to accent light that is emitted from the light source. A method of securing an accent lighting system within an internal cabin of a vehicle includes removing an existing light source from an aperture of a composite panel, securing an accent adapter assembly to the existing light source to form the accent lighting system, and securing the accent lighting system in the aperture of the composite panel.

Abstract: The embodiments of the present disclosure propose a booster circuit and a method for driving the same, a shutdown circuit and a method for driving the same, and a display apparatus.

Abstract: A method for driving a display panel, a device for driving a display panel and a display device are provided. The method for driving a display panel includes: acquiring a GOA signal corresponding to a current frame of image, where the GOA signal includes a plurality of clock signals; determining a transmission channel corresponding to each of the plurality of clock signals, and generating a correspondence relationship between the clock signals and respective transmission channels, where the transmission channels are used to deliver the clock signals from a GOA control signal generator to a GOA circuit of the display panel, the current frame of image is different from at least one frame of image previous to the current frame of image with respect to the correspondence relationship between the clock signals and respective transmission channels; and transmitting the clock signals by using the determined transmission channels.

Abstract: The present embodiments relate to display of glints associated with real-world objects in an environment displayed on an extra reality (XR) device. The glint can include a virtual object associated with a real-world object, such as an indication of a social interaction associated with a real-world object, a content item tagged to an object, etc. The system as described herein can present glints on a display of an XR device based on a distance between the XR device and a location associated with the glint. Responsive to selection of a glint in the environment, additional information can be presented relating to the glint or another action can be taken, such as to open an application. In some instances, a glint can include a series of search results relating to a corresponding real-world object to provide additional information relating to the real-world object.