Abstract: A foldable adjustable photovoltaic module, comprising angle adjusting device, comprising adjusting component and basic photovoltaic panel on the adjusting component; and folding device, comprising first and second folding components, is provided. One end of the basic photovoltaic panel is installed with protective photovoltaic panel, and the first folding component is between the basic and the protective photovoltaic panels. Both sides of the basic and the protective photovoltaic panels are provided with side photovoltaic panels, and the second folding component connects the side photovoltaic panels, the basic photovoltaic panel and the protective photovoltaic panel. The module can control multiple photovoltaic panels for angle adjustment, so as to conveniently obtain the optimal illumination angle.

Abstract: This application provides a display method, an electronic device. The display method applied to an electronic device, comprising: acquiring activity information of a user; and determining display parameters of an object within at least one three-dimensional space body in a three-dimensional space, based on the activity information, wherein the three-dimensional space includes multiple three-dimensional space bodies; and displaying the object within at least one three-dimensional space body, based on the display parameters of the object within at least one three-dimensional space body.

Abstract: An interface display method and an electronic device are disclosed. A call application obtains a first phone number of a peer end of a call; after a first data source application is authenticated successfully, the call application obtains first user description information corresponding to the first phone number from the first data source application, where the first user description information is used to record information of a user corresponding to the first phone number; and the call application displays the first user description information in a call-related interface of the first phone number. In this application, more information about a user on a peer end of a call can be displayed in a call-related interface, thereby improving user experience.

Abstract: The present disclosure provides a method for in-situ monitoring of a full cycle of spatter formation, ejection, and falling in laser additive manufacturing. In a spatter formation stage, a paraxial multiocular high-speed photographing apparatus is used to provide a high temporal-spatial resolution, accurately collect spatial positions of spatters at each sampling time, and reconstruct a motion trajectory of the spatters in three-dimensional (3D) space. In an ejection stage, a coaxial monocular high-speed photographing apparatus is used to provide a long-term high temporal-spatial resolution and accurately collect and count an ejection velocity and angle and a motion trajectory of the spatters, and a photodiode monitors a radiation intensity and changes of the spatters. In a falling stage, a multiocular photographing apparatus is used to provide a high spatial resolution covering an entire powder bed and collect a distribution state of falling spatters.

Abstract: A display method includes acquiring position information of a mouse; acquiring three-dimensional object display areas of a glasses-free three-dimensional screen; adjusting illumination information within a target area according to the three-dimensional object display areas and the position information, the target area being a preset range area centered on a position corresponding to the position information, and the illumination information including at least one of brightness information, contrast, and shadow sharpness of a three-dimensional object; and displaying the three-dimensional object in the three-dimensional object display areas according to the adjusted illumination information.

Abstract: This application provides a photographing method and an electronic device. In the photographing method, a virtual shutter button provided on a photographing preview interface can trigger a photographing or video recording function by when tapped by a user. The virtual shutter button has a same function as a shutter button of a camera application. When the user uses the photographing function of the electronic device, the virtual shutter button may move on the photographing preview interface based on a touch input of the user, thereby improving photographing experience of the user. In addition, the user may complete a photographing operation by touching and tapping the virtual shutter button, and therefore, shake caused by taking a photo by pressing a mechanical button (for example, a volume button) is avoided, and quality of a captured photo is ensured.

Abstract: An interface display method and an electronic device are disclosed. A call application obtains a first phone number of a peer end of a call; after a first data source application is authenticated successfully, the call application obtains first user description information corresponding to the first phone number from the first data source application, where the first user description information is used to record information of a user corresponding to the first phone number; and the call application displays the first user description information in a call-related interface of the first phone number. In this application, more information about a user on a peer end of a call can be displayed in a call-related interface, thereby improving user experience.

Abstract: A building roof photovoltaic power quality evaluation method based on AHP and CRITIC-Entropy is provided. The method includes: obtaining data values of evaluation indicators of a building roof photovoltaic power quality, and constructing a judgment matrix and a probability matrix according to the data values of the evaluation indicators; processing the judgment matrix to obtain a subjective corresponding weight of each of the evaluation indicators by using an improved AHP method, and solving the probability matrix to obtain an objective corresponding weight of each of the evaluation indicators based on the CRITIC-Entropy; and integrating the subjective corresponding weights and the objective corresponding weights to obtain comprehensive weight coefficients, and determining a final evaluation result by the comprehensive weight coefficients and the probability matrix.

Abstract: A building photovoltaic data interpolation method based on WGAN and whale optimization algorithm is provided, which includes: obtaining historical building roof photovoltaic output data, perform preprocessing on the historical building roof photovoltaic output data, and uses CNN to build a GAN; describing missing value position of preprocessed data by using a binary mask matrix, and setting Wasserstein distance to define a loss function of a GAN generator and a discriminator; taking the loss function as a fitness function, optimizing an input to the GAN generator through a whale optimization algorithm and obtaining optimized candidate samples; fusing the optimized candidate samples and a photovoltaic data processed by the binary mask matrix to obtain completed reconstructed samples, so as to improve the complementary accuracy, optimize the random noise, remove the unfavorable influencing components, and provide services for building rooftop PV data interpolation more accurately.

Abstract: The present disclosure provides a method and apparatus for building a database for retrieval. An implementation of the method comprises: acquiring a data set, and dividing the data set into a first data set and a second data set; clustering the data in the first data set, to obtain at least one first-level cluster center; clustering the data in the first data set based on the first-level cluster center, to obtain corresponding at least one second-level cluster center; obtaining a codebook corresponding to the first data set based on residuals between the data in the first data set and the first-level cluster center and residuals between the data in the first data set and the second-level cluster center; and training the second data set based on the codebook corresponding to the first data set, to obtain a codebook corresponding to the data set.

Abstract: The present disclosure provides a traditional Chinese medicine (TCM) syndrome classification method based on multi-graph attention, which comprehensively considers the contribution of symptoms and syndrome elements in syndrome classification by constructing a graph structure, integrates a symptom-symptom graph and a symptom-syndrome element graph into classification, uses a multi-graph attention network to aggregate the features of symptoms and syndrome elements, and finally realizes syndrome classification through a multi-layer perceptron. At the same time, extensive experiments are carried out on real data sets, the effectiveness of the multi-graph attention network is verified, more accurate classification is realized, and better classification results have been achieved.

Abstract: Embodiments of the disclosure provide a method, device, and system for detecting liquid contacting a robotic garden tool. The robotic garden tool may include a housing, and a user interface forming part of an outer surface of the housing. The robotic garden tool may also include a sensor coupled to the user interface. The sensor may be configured to sense a capacitance level associated with at least a portion of the user interface. The robotic garden tool may also include an electronic processor coupled to the sensor and configured to control an operation of the robotic garden tool based on an output of the sensor.

Abstract: An over-current protection circuit for composite transistor devices is provided, connected between an input terminal and a load, and including: a control-terminal voltage-generation module whose output voltage varies with its input voltage when driven by a first voltage, wherein the output voltage of the control-terminal voltage-generation module serves as a control-terminal voltage; a composite transistor device, connected between the control-terminal voltage-generation module and the load, configured to conduct in response to the control-terminal voltage and a second voltage to generate an output current flowing through the load; and an over-current protection module, connected between the composite transistor device and the load, wherein when the output current of the composite transistor device exceeds a preset limit, a clamping voltage is applied to the composite transistor device by the over-current protection module to limit a current flowing through the composite transistor device, thereby limiting th

Abstract: A foldable adjustable photovoltaic module, comprising angle adjusting device, comprising adjusting component and basic photovoltaic panel on the adjusting component; and folding device, comprising first and second folding components, is provided. One end of the basic photovoltaic panel is installed with protective photovoltaic panel, and the first folding component is between the basic and the protective photovoltaic panels. Both sides of the basic and the protective photovoltaic panels are provided with side photovoltaic panels, and the second folding component connects the side photovoltaic panels, the basic photovoltaic panel and the protective photovoltaic panel. The module can control multiple photovoltaic panels for angle adjustment, so as to conveniently obtain the optimal illumination angle.

Abstract: The disclosure provides for compositions and methods for the preservation of meat substitutes containing plant heme protein. In particular, small molecules that can fit in the unique heme pocket of plant heme proteins are provided to stabilize and preserve meat substitutes the products.