Abstract: This application describes provisioning a secondary electronic subscriber identity module (eSIM) to a wireless device to access a cellular wireless network of a mobile virtual network operator (MVNO) to supplement and offload from a cellular wireless network of a mobile network operator (MNO) that provides cellular wireless services to users of the MVNO. Provisioning of the secondary eSIM can be triggered after i) boot up of the wireless device or ii) insertion of a primary SIM/eSIM that provides MVNO cellular service access via the MNO cellular wireless network. Provisioning can be anchored by an MVNO entitlement server or by a manufacturer device services server. Provisioning can also be triggered by the MNO cellular wireless network after attachment of the wireless device. Authentication and authorization of the wireless device to obtain the secondary eSIM can be based on the primary SIM/eSIM or on secure communication with the manufacturer device services server.

Abstract: Disclosed are a method for adjusting a signal of a display panel, a time controller integrated circuit, a display panel, and a storage medium. The method includes: converting first data into a first data voltage signal using a first data voltage, in response to a set condition being reached, sending the first data voltage signal to a chip on film integrated circuit, the chip on film integrated circuit identifies the first data voltage signal to obtain a second data; acquiring the second data from the chip on film integrated circuit, determining that the chip on film integrated circuit fails to identify the first data in response to the second data being different from the first data; and adjusting the first data voltage until a second data voltage signal converted from the first data using a second data voltage after adjustment being successfully identified by the chip on film integrated circuit.

Abstract: The invention discloses a high impermeability and low thermal conductivity inorganic lightweight foam concrete and its preparation method, including the following mass fraction of raw materials: 1260˜1540 parts of ordinary silicate cement, 20˜60 parts of nano-silica, 460˜740 parts of fly ash, 360˜440 parts of aggregate, 9˜11 parts of redispersible latex powder, 7.2˜8.8 parts of polypropylene fiber, 27˜33 parts of quick-setting agent, 500 parts of fluorine-free foam, 900˜1100 parts of water. 33 parts, 500 parts of fluorine-free foam, 900˜1100 parts of water. The high impermeability and low thermal conductivity inorganic lightweight foam concrete prepared by the present invention has a simple formulation, good workability, light weight and low thermal conductivity, and is suitable for the construction of thermal insulation system for building exterior walls.

Abstract: A delignified wood material is formed by removing substantially all of the lignin from natural wood. The resulting delignified wood retains cellulose-based lumina of the natural wood, with nanofibers of the cellulose microfibrils being substantially aligned along a common direction. The unique microstructure and composition of the delignified wood can provide advantageous thermal insulation and mechanical properties, among other advantages described herein. The thermal and mechanical properties of the delignified wood material can be tailored by pressing or densifying the delignified wood, with increased densification yielding improved strength and thermal conductivity. The chemical composition of the delignified wood also offers unique optical properties that enable passive cooling under solar illumination.

Abstract: Embodiments of the disclosure provide a method and a device for processing a portrait image, the method includes: acquiring a to-be-processed portrait image; inputting the to-be-processed portrait image into an image processing model, and acquiring a head smear image output by the image processing model, where the image processing model is configured to smear a hair area of a portrait located above a preset boundary in the portrait image, and the image processing model is generated by training a sample data set of a sample portrait image and a sample head smear image corresponding to the sample portrait image; rendering the head smear image with a head effect material to obtain a portrait image added with an effect; and displaying the portrait image added with the effect.

Abstract: Among other things, embodiments of the present disclosure improve the functionality of electronic messaging software and systems by allowing senders to transmit messages and content using a messaging system, and recipients to access such messages and content, even if the recipients do not have access to the messaging system.

Abstract: A device and method for enhancing nitrogen and phosphorus removal based on a multistage AO partial denitrification coupled with Anammox process in combination with a sludge hydrolytic acidification mixture belong to the technical field of active sludge method wastewater treatment. A system includes a water tank, a water pump, a biochemical reaction zone, a hydrolytic acidification tank and other devices.

Abstract: The present disclosure relates to a risk early warning method and system for hydrogen leakage, and relates to the field of hydrogen leakage. The method includes: obtaining ventilation information of a hydrogen-related area; carrying out grid division on a pipeline system of the hydrogen-related area to obtain a gridded pipeline system; determining a risk coefficient corresponding to each grid of the gridded pipeline system according to leakage sources of the pipeline system; determining a high-risk region by means of a jet cone model according to the risk coefficients; determining a medium-risk region, a low-risk region and a safe region according to the risk coefficients and the ventilation information; and carrying out risk early warning according to the high-risk region, the medium-risk region, the low-risk region and the safe region.

Abstract: A temperature control system for fuel cell includes a fuel cell under test, having two end plates, and the end plates having an area. At least two temperature regulating modules, respectively on a surface of one side of the two end plates facing outside of the fuel cell under test, and an area of a heat radiation surface of the temperature regulating module opposite the end plates is greater than or equal to a first preset proportion of the first preset value. At least two temperature detection modules, mounted to the cathode and anode of the fuel cell under test, for obtaining a measured temperature. A control module, connected to the temperature detection module and connected to the temperature regulating module, for controlling of the two temperature regulating modules to regulate the measured temperature of the cathode and anode to tend to a target temperature.

Abstract: The present disclosure relates to a risk early warning method and system for hydrogen leakage, and relates to the field of hydrogen leakage. The method includes: obtaining ventilation information of a hydrogen-related area; carrying out grid division on a pipeline system of the hydrogen-related area to obtain a gridded pipeline system; determining a risk coefficient corresponding to each grid of the gridded pipeline system according to leakage sources of the pipeline system; determining a high-risk region by means of a jet cone model according to the risk coefficients; determining a medium-risk region, a low-risk region and a safe region according to the risk coefficients and the ventilation information; and carrying out risk early warning according to the high-risk region, the medium-risk region, the low-risk region and the safe region.

Abstract: An apparatus for battery state of charge (SOC) estimation, including: a pre-processing unit (200), configured for detecting operating parameters of a batters, and filtering at least part of the parameters to generate filtered parameters; an SOC estimating unit (300), configured for calculating nominal SOC by using a first neural network based on the operating parameters and the filtered parameters; a validity estimating unit (400), configured for estimating a validity value based on the operating parameters and the filtered parameters, the validity value indicating validity of the nominal SOC outputted by the SOC estimating unit (300); an SOC Kalman filter (500), configured for performing a Kalman filtering algorithm based on the operating parameters, the nominal SOC transmitted and the validity value, thereby outputting an estimated SOC of the battery.

Abstract: The present application provides a system and method for realizing partial anammox advanced nitrogen and phosphorus removal through mainstream and sidestream biofilm cyclic alternating for a municipal wastewater treatment plant. The system includes three main component units: a mainstream zone (a), an advanced treatment zone (b) and a side stream zone (c). Advanced nitrogen and phosphorus removal of the entire system is realized through cyclic alternating of biofilms. In the mainstream zone (a), the main function of an anaerobic/anoxic zone is to perform heterotrophic denitrification nitrogen removal, and partial denitrification/anammox autotrophic nitrogen removal, and the main function of an oxic zone is to remove organic matter, perform aerobic phosphorus uptake, and complete a nitrification reaction.

Abstract: The present disclosure provides a multifunctional high-voltage connector and a battery product, the multifunctional high-voltage connector comprises: an upper cover; a pedestal; a conductive connection structure; two mating terminals; and a harness assembly. The conductive connection structure is used to make the two mating terminals be connected in series, and the harness assembly is directly connected to one of the mating terminals. When the upper cover and the pedestal are assembled, the conductive connection structure is simultaneously in contact with the two mating terminals, thereby turning on the high-voltage circuit. When the battery product requires maintenance, the upper cover is directly detached from the base, thereby turning off the high-voltage circuit. The battery product can be electrically connected to an external device via the harness assembly.

Abstract: Disclosed is a personal vaping device provided with an electrical heating module as an atomizer or heater. The personal vaping device at least includes a power control circuit, which includes a current input terminal, a current input terminal, and a current control module. The power control circuit further includes a power supply control module, a current control module, a voltage modulation module, and a forward and reverse connection current generation module. The microprocessor is configured to control the voltage modulation module and the forward and reverse connection current generation module. The voltage modulation module is configured to regulate a voltage of the DC power supply to a first target voltage and a second target voltage. The forward and reverse connection current generation module is configured to generate a forward connection current and a reverse connection current according to the second target voltage to drive the atomizer or heater for heating.

Abstract: A peelable tobacco includes: an aroma volatilizing area (11), which is configured to volatilize aroma when being heated, wherein the aroma volatilizing area (11) is wrapped with a first packaging paper (1); a filter area (21), which is disposed at an upper portion of the aroma volatilizing area (11), wherein the filter area (21) is wrapped with a second packaging paper (2); and a connecting pre-breakable paper (3), which is connected to an upper portion of the first packaging paper (1) and to a lower portion of the second packaging paper (2), wherein the connecting pre-breakable paper (3) is able to be broken when suffering an external force.

Abstract: A method for processing an image includes: obtaining a face image to be processed, and dividing the face image to be processed into image patches; determining respective importance information of the image patches of the face image to be processed; obtaining a pruning rate of a preset vision transformer (ViT) model; inputting the image patches into the ViT model, and pruning inputs of network layers of the ViT model according to the pruning rate and the respective importance information of the image patches, to obtain a result outputted by the ViT model; and determining feature vectors of the face image to be processed according to the result outputted by the ViT model.

Abstract: The present disclosure provides a battery product and an assembling method of the battery product, the battery product comprises a box and a heating connector. The box comprises a mounting panel. The mounting panel has a first receptacle portion and a second receptacle portion, and the second receptacle portion and the first receptacle portion are provided opposite to each other and communicating with each other. The heating connector comprises: a first plug assembly being mounted on the first receptacle portion; and a second plug assembly being mounted on the second receptacle portion. Compared with the technology related to the background, the battery product is equivalent to directly integrating the receptacle of the heating connector on the mounting panel, which not only eliminates the manner of fixing by the bolt, but also improves the integration of the battery product, thereby improving the space utilization and energy density.

Abstract: The present disclosure provides a multifunctional high-voltage connector and a battery product, the multifunctional high-voltage connector comprises: an upper cover; a pedestal; a conductive connection structure; two mating terminals; and a harness assembly. The conductive connection structure is used to make the two mating terminals be connected in series, and the harness assembly is directly connected to one of the mating terminals. When the upper cover and the pedestal are assembled, the conductive connection structure is simultaneously in contact with the two mating terminals, thereby turning on the high-voltage circuit. When the battery product requires maintenance, the upper cover is directly detached from the base, thereby turning off the high-voltage circuit. The battery product can be electrically connected to an external device via the harness assembly.

Abstract: Disclosed is a triple harmonic speed reducer, which enables a flexible inner gear to generate three tooth misalignment motions after a wave generator rotates for one circle, so that the harmonic speed reducer has higher position precision and rotation precision, more stable transmission, and more stable operation. The triple harmonic speed reducer includes a wave generator, a flexspline and a rigid circular spline, wherein the flexspline includes a flexible inner gear and an output part, the wave generator is arranged in an inner installation cavity of the flexible inner gear, the wave generator includes an input shaft end and a cam, wherein a flexible bearing is annularly arranged between an outer ring peripheral surface of the cam and an inner ring peripheral surface of the flexible inner gear, the cam of the wave generator is specifically of a three-convex structure.