Abstract: A system and method of a tilt-column electron beam imaging system is disclosed. The system may include an imaging sub-system. The imaging sub-system may include a plurality of electron beam sources configured to generate a plurality of beamlets. The imaging sub-system may further include a plurality of tilt-illumination columns, where a respective tilt-illumination column is configured to receive a respective beamlet from a respective electron beam source. For the system and method, a first tilt axis of a first tilt-illumination column may be orientated along a first angle and at least one additional tilt axis of at least one additional tilt-illumination column may be orientated along at least one additional angle different from the first angle, where each of the plurality of beam lets pass through a first common crossover volume.

Abstract: A mobile video and audio box control system includes a television (TV) stick, a video splitter, a converter of High Definition Multimedia Interface (HDMI) to DisplayPort (DP), an interface of HDMI to red, green, and blue (RGB), a sub screen, a Micro Control Unit (MCU) circuit, a power management circuit, and a power circuit. The TV stick transmits the video and audio signals to the converter of HDMI to DP and the interface of HDMI to RGB by the video splitter, and the interface of HDMI to RGB transmits the video and audio signals to the sub screen; the MCU circuit is configured to control the interface of HDMI to RGB; the power management circuit is configured to supply power. The system is integrated and stable, and users can watch video and audio contents anytime and anywhere. The system has easy operation, good practicability, and strong battery life.

Abstract: A multi-electron beam system that forms hundreds of beamlets can focus the beamlets, reduce Coulomb interaction effects, and improve resolutions of the beamlets. A Wien filter with electrostatic and magnetic deflection fields can separate the secondary electron beams from the 5 primary electron beams and can correct the astigmatism and source energy dispersion blurs for all the beamlets simultaneously.

Abstract: Provided is a stable formulation of a human papillomavirus virus-like particle vaccine. The stable formulation is composed of a human papillomavirus virus-like particle, a buffer solution, an osmotic pressure regulator, a surfactant and an aluminum adjuvant, wherein the components of the vaccine comprise HPV virus-like particles assembled by L1 proteins of HPV types 6, 11, 16, 18, 31, 33, 45, 52 and 58, and one or more HPV virus-like particles assembled by L1 proteins of other pathogenic HPV types. The formulation can enhance the stability of the vaccine and prolong the validity period of the vaccine in an aqueous formulation.

Abstract: An antenna structure includes a middle frame body. The middle frame body includes a main board and an embedded metal, the embedded metal includes a metal body part and a metal extension part, the metal main body part and the metal extension part are an integral structure, the main board includes a first main board and a second main board, the first main board is electrically connected to the metal extension part, the first main board is configured to introduce a radio frequency signal into the metal extension part, the second main board is electrically connected to the metal extension part, and the second main board is configured to ground the metal extension part.

Abstract: Multiple electron beamlets are split from a single electron beam. The electron beam passes through an acceleration tube, a beam-limiting aperture, an anode disposed between an electron beam source and the acceleration tube, a focusing lens downstream from the beam-limiting aperture, and a micro aperture array downstream from the acceleration tube. The micro aperture array generates beamlets from the electron beam. The electron beam can be focused from a divergent illumination beam into a telecentric illumination beam.

Abstract: Disclosed are an antenna assembly and a mobile terminal. The antenna assembly comprises a metal frame, a matching circuit, an antenna wiring and a tuning module. The metal frame is provided with a feed point, and the matching circuit is connected to the feed point on the metal frame. One end of the antenna wiring is connected to the feed point, and the other end of the antenna wiring is connected to the tuning module. The connection of the antenna wiring and the tuning module is equivalent to addition of an impedance-adjustable parallel circuit at the feed point.

Abstract: An antenna apparatus includes an antenna, a first matching circuit and a second matching circuit, which are connected to the antenna, and an antenna switching apparatus, which is connected to the first matching circuit and the second matching circuit. Within the same time, only one of the first matching circuit and the second matching circuit is in operation. Operating frequency-band signals of the first matching circuit and the second matching circuit on the antenna are switched by the antenna switching apparatus, so as to be used at staggered times, thereby ensuring that operating frequency-band signals of the first matching circuit and the second matching circuit can be normally used in different scenarios, and effectively improving a performance of the antenna.

Abstract: A polishing device for a metal conveyor belt suitable for an automatic conveyor line includes a holding pillar with one end fixedly provided with a bearing head, a supporting carriage fixedly connected to the bearing head, assembly supporting frames, an assembly sliding column, a polishing supporting shaft and locking mechanism. A bottom end of the holding pillar is provided with a barrier protection assembly. Both ends of the supporting carriage are respectively provided with a reciprocating assembly and two assembly supporting frames. Opposite side surfaces of the two assembly supporting frames are respectively rotatably connected with a rotating seats. Both ends of the assembly sliding column are respectively fixedly installed and in transmission connection with two rotating seats. Both ends of the assembly sliding column are respectively in transmission connection with the reciprocating assembly. The polishing supporting shaft is in transmission connection with the assembly sliding column.

Abstract: An electron-beam device includes a laser and a photocathode film. The photocathode film has a front side and a back side and emits a plurality of electron beamlets when illuminated from the back side using the laser. The electron-beam device also includes electrodes to extract the plurality of electron beamlets from the front side of the photocathode film and to control shapes of the plurality of electron beamlets.

Abstract: The present disclosure pertains to parsing addresses using a deep learning model. The deep learning model may be trained using a plurality of reference address records and a plurality of modifications to the plurality of reference address records. In some implementations, the model can be a multi-layer bi-directional long short-term memory recurrent neural network model. The output of the model may include indications of an address component type for each character of the address. The output can be parsed based on the indications of the address component type to obtain a plurality of labeled address components for the address. The labeled address components can be compared to reference address records to determine a matched address record identifying a geographic location.

Abstract: Disclosed in embodiments of the present application is a power adjustment method, comprising: determining variation values of a plurality of sample movement parameters during operation of a terminal; if a maximum variation value among the variation values of the plurality of sample movement parameters is greater than a preset threshold, obtaining a foreground application running currently; determining from a preset power set a target power value corresponding to the foreground application; and adjusting a current signal transmission power of the terminal based on the target power value.

Abstract: An e-liquid filling structure, including a drip tip with an e-liquid cartridge, an air duct provided in the drip tip, a base mounted to the drip tip, an atomizing core on the base, and a connecting seal hermetically connecting the atomizing core to the air duct. Embodiments of the present invention further disclose an assembly and e-liquid injection method of an e-liquid filling structure, including installing an atomizing core, pre-installing a connecting seal, injecting e-liquid, and installing a base. An e-liquid injection hole in the embodiments of the present invention not only allows injection of e-liquid but also functions to fasten the atomizing core while another e-liquid filling hole is spared, so that the atomizing core is reliably sealed.

Abstract: A predicting method of cell deconvolution based on a convolutional neural network is provided. The convolutional neural network technology is used to speculate the cell type composition proportion of a tissue from single-cell RNA sequencing data. Compared with a traditional cell deconvolution algorithm, the predicting method of cell deconvolution based on a convolutional neural network overcomes the defects that the traditional cell deconvolution algorithm needs to carry out complex data preprocessing and needs to design a mathematical algorithm to standardize the single-cell sequencing data. According to the convolutional neural network designed by the present disclosure, hidden features can be extracted from the single-cell RNA sequencing data, network nodes have very high robustness to noise and errors of the data, and internal relations among various genes are fully mined, so that the cell deconvolution performance is improved.

Abstract: The application provides a die-bonding machine, including: a transferring unit used to support and transfer a substrate to a bonding position; a feeding unit used to position and supply the substrate to the transferring unit; a die supply unit used to support a die ring and supply dies to a die supply position; a die ring supply unit used to supply full die rings to the die supply unit and recover empty die rings in the die supply unit; a turret mechanism for transferring the dies in the die supply position to a die extraction position; a piercing mechanism for downwardly piercing a blue film of a die on the die supply position to push the die to the turret mechanism; and, and a die-bonding mechanism.

Abstract: The present invention relates to a supported catalyst used for synthesizing polyether amine, a preparation method, and an application. The supported catalyst introduces Mo and CeO2 into Ni and Cu active components. By means of the cooperation of Ni, Cu and Mo, CeO2 and Ni form more active sites, such that the supported catalyst can have high reaction activity and selectivity. By using the supported catalyst to synthesize polyether amine, the amination efficiency and selectivity of polyether polyol can be greatly enhanced, thereby preparing the polyether amine with light color and narrow molecular weight distribution. In addition, the cost of the catalyst can be reduced, a process condition is relatively mild, and the disadvantage of low reaction activity of a nickel-based catalyst in synthesizing small molecule polyether amine can be overcome, such that the supported catalyst has a desirable industrial application prospect.

Abstract: Provided are a system and a method for preparing a polyether amine by catalytic amination of a polyether diol. The preparation method includes: filling a catalyst into the fixed bed reactor; pressurizing the internal pressure of the fixed bed reactor to 10˜13 MPa by a hydrogen gas, and raising the temperature of the fixed bed reactor to 150˜185° C.; adjusting the temperature of the multi-stage preheater so that the feeding temperature of a raw material reaches 125˜135° C.; and simultaneously feeding a polyether diol, liquid ammonia and the hydrogen gas into the multi-stage preheater, and after mixing and preheating, introducing into the fixed bed reactor from the feed inlet of the fixed bed reactor for a continuous catalytic amination reaction. The total amine value of the polyether amine finally obtained by the present invention reaches 28˜32 mgKOH/g, the color reaches 10˜20, and it is colorless transparent liquid.

Abstract: An electron-beam device includes upper-column electron optics and lower-column electron optics. The upper-column electron optics include an aperture array to divide an electron beam into a plurality of electron beamlets. The upper-column electron optics also include a lens array with a plurality of lenses to adjust the focus of the plurality of electron beamlets. Respective lenses of the plurality of lenses are to adjust the focus of respective electron beamlets of the plurality of electron beamlets. The upper-column electron optics further include a first global lens to adjust the focus of the plurality of electron beamlets in a manner opposite to the lens array.

Abstract: Disclosed in the present application are an antenna apparatus and a terminal device. The present application, by means of adding a power attenuator to each antenna unit of an array antenna, and the power attenuators being used to load a Dolph-Chebyshev algorithm and/or a Taylor algorithm so as to attenuate power of an input signal, can effectively inhibit side lobe gain of the array antenna and ensure identical main lobe gain and width.