Abstract: A cooling fan creating a more stable airflow for heat-removing purposes, with reduced noise of operation, comprises a rotor hub and preferably an odd number of blades mounted on periphery of the rotor hub in unequal intervals. Adjacent blades are configured with different shapes, reducing the noise generated during operation without affecting the cooling effect.

Abstract: The present disclosure provides a method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted method, a natural aluminosilicate clay mineral treated and activated by an alkali is used as a crystal seed for synthesis of the aluminosilicate molecular sieve, and the target molecular sieve product is synthesized by hydrothermal crystallization, wherein the synthesis process does not require addition of conventional crystal seeds of a molecular sieve or use of any organic template agent, thus the synthesized product does not require a calcination process to remove the template agent. The method of synthesizing an aluminosilicate molecular sieve by a crystal seed-assisted method can meet the requirements of both crystallinity and nucleation time, and greatly reduce costs of synthesizing the aluminosilicate molecular sieve, and reduce the environmental pollution caused by removal of the template agent by calcinating.

Abstract: The present disclosure relates to a bone conduction speaker and its compound vibration device. The compound vibration device comprises a vibration conductive plate and a vibration board, the vibration conductive plate is set to be the first torus, where at least two first rods inside it converge to its center; the vibration board is set as the second torus, where at least two second rods inside it converge to its center. The vibration conductive plate is fixed with the vibration board; the first torus is fixed on a magnetic system, and the second torus comprises a fixed voice coil, which is driven by the magnetic system. The bone conduction speaker in the present disclosure and its compound vibration device adopt the fixed vibration conductive plate and vibration board, making the technique simpler with a lower cost; because the two adjustable parts in the compound vibration device can adjust both low frequency and high frequency area, the frequency response obtained is flatter and the sound is broader.

Abstract: This disclosure describes one or more implementations of a digital image semantic layout manipulation system that generates refined digital images resembling the style of one or more input images while following the structure of an edited semantic layout. For example, in various implementations, the digital image semantic layout manipulation system builds and utilizes a sparse attention warped image neural network to generate high-resolution warped images and a digital image layout neural network to enhance and refine the high-resolution warped digital image into a realistic and accurate refined digital image.

Abstract: The present invention discloses a selenium-doped MXene composite nano-material and a preparation method thereof, comprising the following steps: (1) adding MXene and an organic selenium source into a dispersant, and stirring to prepare a dispersion with a concentration of 1 mg/ml to 100 mg/ml; (2) transferring the dispersion into a reaction kettle, then heating, reacting, and then naturally cooling to a room temperature; (3) washing the product obtained in the step (2) with a cleaning agent, then centrifuging to collect a precipitate, and drying the precipitate under vacuum; and (4) placing the sample obtained in the step (3) into a tubular furnace for calcination, introducing protective gas, heating, and then cooling to a room temperature to obtain the selenium-doped MXene composite nano-material. The material prepared by the present invention has high specific surface area, good electrical conductivity, cycle stability performance, rate performance and high theoretical specific capacity.

Abstract: Provided is a method for processing audio including: acquiring an accompaniment audio signal and a voice signal of a current to-be-processed musical composition; determining a target reverberation intensity parameter value of the acquired accompaniment audio signal, wherein the target reverberation intensity parameter value is configured to indicate a rhythm speed, an accompaniment type, and a performance score of a singer of the current to-be-processed musical composition; and reverberating the acquired vocal signal based on the target reverberation intensity parameter value.

Abstract: The invention generally relates to ion generation using modified wetted porous materials. In certain aspects, the invention generally relates to systems and methods for ion generation using a wetted porous substrate that substantially prevents diffusion of sample into the substrate. In other aspects, the invention generally relate to ion generation using a wetted porous material and a drying agent. In other aspects, the invention generally relates to ion generation using a modified wetted porous substrate in which at least a portion of the porous substrate includes a material that modifies an interaction between a sample and the substrate.

Abstract: A system enhances existing audio-visual content with audio describing the setting of the visual content. A scene annotation module classifies scene elements from an image frame received from a host system and generates a caption describing the scene elements.

Abstract: The present disclosure provides a method and a device in a communication node for wireless communications. The communication node in the present disclosure first receives first information, and then transmits a first radio signal; a length of a time interval between a start time for transmitting the first radio signal and a first reference time is equal to a sum of a first timing adjustment and a second timing adjustment, the first timing adjustment being one of X candidate timing adjustments, the X being a positive integer greater than 1; the second timing adjustment is used for determining a transmission timing of a radio signal transmitted before the first radio signal in time domain; a transmitter of the first radio signal determines the first timing adjustment out of the X candidate timing adjustments by itself. The present disclosure can improve uplink synchronization performance.

Abstract: A memory circuit includes a first driver circuit, a first column of memory cells coupled to the first driver circuit, a first current source, a tracking circuit configured to track a leakage current of the first column of memory cells, and a footer circuit coupled to the first column of memory cells, the first current source and the tracking circuit.

Abstract: A video generating method, an apparatus, an electronic device, and a computer-readable medium are provided. The method includes: acquiring a first video set and an audio material; determining a first music point of the audio material according to an amount of the video materials in the first video set; generating, according to a sorting order of the video materials in the first video set, one video clip for each first music clip in the audio material by respectively using one video material, so as to obtain a first video sequence; adjusting, in response to detecting an editing operation on the video clip in the first video sequence, the video clip in the first video sequence, so as to obtain a second video sequence; and splicing together video clips in the second video sequence, and adding the audio material as a video audio track to obtain a composite video.

Abstract: The present disclosure provides an epoxidized natural rubber composite and a preparation process thereof, and relates to the technical field of rubber materials. The epoxidized natural rubber composite provided by the present disclosure comprises the following preparation raw materials in parts by weight: 100 parts of epoxidized natural rubber, 1˜30 parts of peanut meal, 0.05˜0.8 parts of surfactants, 0.1˜4 parts of coagulant and 0.2˜12 parts of vulcanization processing aids. The present disclosure utilizes essential amino acids and non-essential amino acids contained in peanut meal to improve the aging resistance of the epoxidized natural rubber. After hot air aging, ozone aging and ultraviolet aging treatments, both the tensile strength retention rate and the elongation at break retention rate of the epoxidized natural rubber composites of the present disclosure can be kept above 83%.

Abstract: A fingerprint signal processing system for a fingerprint sensor includes a calibration control circuit, a register circuit, a decode circuit and a normalization circuit. The calibration control circuit is configured to receive a background calibration control signal and an image signal from the fingerprint sensor, and convert the image signal into a plurality of digital signals according to a plurality of offsets. When the background calibration control signal is at a high level, the calibration control circuit is configured to read a plurality of calibration parameters from the register circuit.

Abstract: Techniques and systems are described that leverage computer vision as part of search to expand functionality of a computing device available to a user and increase operational computational efficiency as well as efficiency in user interaction. In a first example, user interaction with items of digital content is monitored. Computer vision techniques are used to identify digital images in the digital content, objects within the digital images, and characteristics of those objects. This information is used to assign a user to a user segment of a user population which is then used to control output of subsequent digital content to the user, e.g., recommendations, digital marketing content, and so forth.

Abstract: Techniques for using traceroute with tunnels and cloud-based systems for determining measures of network performance are presented. Systems and methods include requesting a trace to a destination with a signature inserted into a trace packet; receiving a response to the trace packet; when the response does not include tunnel info, providing details in the response to a service where the details include parameters associated with a service path between the client and the destination; and, when the response includes tunnel info, segmenting the service path into a plurality of legs, causing a trace for each of the plurality of legs, and aggregating details for each of the plurality of legs based on the causing.

Abstract: The present disclosure relates to a method and device for generating a finite state automata for recognizing a chemical name in a text, and a recognition method. According to an embodiment of the present disclosure, the method comprises substituting representation constants of categories of character segments appearing in an organic compound name set into the organic compound name set to obtain a conversion name set; updating the conversion name set based on a conversion name segment which repeatedly appears in the conversion name set; and generating the finite state automata based on the updated conversion name set.

Abstract: In an embodiment, the present disclosure pertains to a method of sensing an analyte in a sample by: (1) exposing the sample to an electrode that includes a covalent-organic framework with a plurality of metal-coordinated aromatic units that are linked to one another by aromatic linkers; (2) detecting a change in a property of the electrode; and (3) correlating the change in the property to the presence or absence of the analyte. In an additional embodiment, the present disclosure pertains to said covalent-organic frameworks. Additional embodiments of the present disclosure pertain to methods of making the covalent-organic frameworks.

Abstract: The present disclosure provides a semiconductor device and a fabrication method thereof. The semiconductor device includes a first III-nitride layer, a second III-nitride layer, a first contact layer, a second contact layer, a structure, and a gate layer. The second III-nitride layer is in direct contact with the first III-nitride layer. The first contact layer and the second contact layer are disposed over the second III-nitride layer. The structure is adjacent to an interface of the first III-nitride layer and the second III-nitride layer, and a material of the structure is different from a material of the first III-nitride layer or a material of the second III-nitride layer. The gate layer is disposed between the first contact layer and the second contact layer.