Abstract: The present application discloses a coal consumption online measuring system, which belongs to the field of analysis and measurement technology. The system includes an equivalent atomic number measuring device, a flow rate measuring device, an ash content measuring device, a volatile content measuring device, a moisture content measuring device and a data acquisition and processing device. The data acquisition and processing device iteratively corrects the measured real-time density, real-time ash content, real-time moisture content and/or real-time volatile content; and the data acquisition and processing device performs online calculation of the coal consumption according to a real-time volume flow rate and the iteratively-corrected real-time density, real-time ash content, real-time moisture content and real-time volatile content.

Abstract: Infrared reflectors are described. In particular, infrared reflectors with reduced off-axis color are described. Such infrared reflectors may be useful in laminated glass constructions, particularly for applications where the glass may be exposed to water.

Abstract: Infrared reflectors are described. In particular, infrared reflectors with reduced off-axis color are described. Such infrared reflectors may be useful in laminated glass constructions, particularly for applications where the glass may be exposed to water.

Abstract: The present invention provides a method for preparation of an enzyme-modified stevia sugar. The method includes the steps of adding a ?-fructosidase to a solution in which a stevia sugar raw material and sucrose are dissolved to obtain a reaction solution, adjusting the pH of the reaction solution to be 5.0-8.0, maintaining a reaction temperature at 20-45° C., and after a reaction with stirring, collecting the enzyme-modified stevia sugar. The stevia sugar raw material includes one or more of stevioside and rebaudioside A, and the ?-fructosidase is derived from Microbacterium saccharophilum or Aspergillus japonicus. The preparation method takes a short time, is efficient and convenient to operate, low in cost, high in conversion rate, green and environmentally friendly, and can be widely applied to industrial scale production. The present invention further provides an enzyme for preparation of the enzyme-modified stevia sugar and application thereof.

Abstract: An image acquisition apparatus based on a miniature camera matrix, comprising an image generation circuit board and a miniature lens matrix, wherein the image generation circuit board comprises an image generation circuit matrix, various image generation circuits in the image generation circuit matrix all comprise a miniature photosensitive element, and various miniature photosensitive elements constitute a miniature photosensitive element matrix; and various miniature lenses in the miniature lens matrix are fixedly arranged on the image generation circuit board and correspond to the various miniature photosensitive elements on a one-to-one basis, and the axes of the various miniature lenses are respectively perpendicular to a plane where the image generation circuit board is located.

Abstract: A high-voltage generator may be provided. The high-voltage generator may include a rectifying unit, a grid-controlled unit, and a shielding device. The rectifying unit may be configured to rectify an electric current generated in the high-voltage generator. The grid-controlled unit may be configured to generate a high voltage and electrically connected to the rectifying unit. The grid-controlled unit may have a conductive surface that opposes the rectifying unit. The shielding device may be located between the rectifying unit and the conductive surface of the grid-controlled unit. The shielding device may be spaced apart from the rectifying unit and the conductive surface of the grid-controlled unit. The shielding device may be electrically connected to the rectifying unit.

Abstract: Infrared reflectors are described. In particular, infrared reflectors with reduced off-axis color are described. Such infrared reflectors may be useful in laminated glass constructions, particularly for applications where the glass may be exposed to water.

Abstract: Disclosed is a double enzyme tandem preparation method of L-2-aminobutyric acid, and belongs to the field of bioengineering. In the disclosure, recombinant Escherichia coli expressing L-glutamate mutase and recombinant Escherichia coli expressing L-aspartate-?-decarboxylase are separately cultured to obtain L-glutamate mutase and L-aspartate-?-decarboxylase. The two enzymes are added to a reaction system at a certain mass ratio, and L-glutamate is used as a substrate to carry out an enzyme reaction to prepare the L-2-aminobutyric acid. When the dosage of the L-aspartate-?-decarboxylase is 2 mg/mL, and the reaction time is 24 h, 8.5 mmol/L L-2-aminobutyric acid is produced by conversion, with a molar conversion rate of 85.00%. Compared with a chemical production method, the method disclosed by the disclosure has a safe production process and no environmental pollution. Compared with a multi-enzyme synthesis system with threonine as a substrate, the substrate is cheaper and the process is simpler.

Abstract: Hot melt processable adhesive compositions to mask electronic components include at least one block copolymer, at least one tackifying resin, at least one semi-crystalline polyolefin polymer, at least one plasticizer, and at least one anti-oxidant. The adhesive composition is a hot melt processable pressure sensitive adhesive composition that is thermally stable, such that the composition when disposed on a surface withstands heating to 260° C. without degradation or flowing, remains optically transparent, and after heating to 260° C. remains cleanly removable.

Abstract: Methods and systems are provided for predictive thermal models for determining current and power capabilities of battery components of a battery-powered system. In one example, a method may include measuring a reference temperature of a first component of the battery-powered system, correlating a target temperature of a second component of the battery-powered system to the reference temperature, determining a maximum current manageable by the second component over a predetermined duration based on the target temperature, and responsive to an actual current at the second component being requested greater than the maximum current during the predetermined duration, adjusting one or more operating conditions of the battery-powered system to maintain the actual current below the maximum current. In some examples, the first component may be different from the second component.

Abstract: A ground collision avoidance method in an ownship vehicle is disclosed. The method includes: retrieving position measurements for the ownship vehicle and for a dynamic obstacle; retrieving mapping data from an airport map database that includes coordinate data for airport travel pathways; adjusting a position measurement for the ownship vehicle and a position measurement for the dynamic obstacle based on coordinate data retrieved from the airport map database and historical aircraft movement data; predicting a series of future positions for the ownship vehicle that are constrained by airport surface operation rules; predicting a series of future positions for the dynamic obstacle that are constrained by airport surface operation rules; calculating whether a potential collision is imminent; and causing a collision alert to be displayed when the processor has determined that a potential collision between the ownship vehicle and the dynamic obstacle is imminent.

Abstract: Disclosed are a method, an electronic device, and a storage medium of gesture recognition.

Abstract: A method for detecting a posture, including: acquiring an image to be detected; and inputting the image to be detected into a pre-trained detection model, and detecting a posture category in the image to be detected. The detection model is acquired by training based on a positive sample image and a negative sample image, a basic posture categorization model is acquired by training based on the positive sample image with a marked preset posture category, and the negative sample image is determined based on the basic posture categorization model, and the negative sample image contains no posture of the preset posture category and the positive sample image is an image inputted by an user or an image stored at a preset storage location.

Abstract: An image acquisition apparatus based on a miniature camera matrix, comprising an image generation circuit board (200) and a miniature lens matrix, wherein the image generation circuit board (200) comprises an image generation circuit matrix, various image generation circuits (200) in the image generation circuit matrix all comprise a miniature photosensitive element (201), and various miniature photosensitive elements (201) constitute a miniature photosensitive element matrix; and various miniature lenses (203) in the miniature lens matrix are fixedly arranged on the image generation circuit board (200) and correspond to the various miniature photosensitive elements (201) on a one-to-one basis, and the axes of the various miniature lenses (203) are respectively perpendicular to a plane where the image generation circuit board (200) is located.

Abstract: A method for detecting a posture, including: acquiring an image to be detected; and inputting the image to be detected into a pre-trained detection model, and detecting a posture category in the image to be detected. The detection model is acquired by training based on a positive sample image and a negative sample image, a basic posture categorization model is acquired by training based on the positive sample image with a marked preset posture category, and the negative sample image is determined based on the basic posture categorization model, and the negative sample image contains no posture of the preset posture category and the positive sample image is an image inputted by an user or an image stored at a preset storage location.

Abstract: The present application discloses a coal consumption online measuring system, which belongs to the field of analysis and measurement technology. The system includes an equivalent atomic number measuring device, a flow rate measuring device, an ash content measuring device, a volatile content measuring device, a moisture content measuring device and a data acquisition and processing device. The data acquisition and processing device iteratively corrects the measured real-time density, real-time ash content, real-time moisture content and/or real-time volatile content; and the data acquisition and processing device performs online calculation of the coal consumption according to a real-time volume flow rate and the iteratively-corrected real-time density, real-time ash content, real-time moisture content and real-time volatile content.

Abstract: Disclosed are a method, an electronic device, and a storage medium of gesture recognition.

Abstract: A method for detecting gesture key points can include: acquiring a target image to be detected; determining a gesture category according to the target image, the gesture category being a category of a gesture contained in the target image; determining a target key point detection model corresponding to the gesture category from a plurality of key point detection models; and performing a key point detection on the target image by the target key point detection model.

Abstract: Provided are a method for detecting a pressure of an active pen, a device and an active pen, where a pen body of the active pen is provided with a touch sensor. The method includes: obtaining a sensing change amount of the touch sensor, where the sensing change amount indicates a capacitance change amount of the touch sensor; and determining, according to the sensing change amount, a pressure value on the pen body. The technical solution provided by the disclosure can reduce the cost of the active pen while realizing the pressure detection for the active pen.

Abstract: Disclosed is a method for accessing a code Static Random Access Memory (SRAM) and an electronic device. The method is applied to an electronic device including a first controller, a code SRAM and an in circuit emulator (ICE); and the method includes: receiving, by the ICE, a first address at which the first controller accesses the code SRAM; transmitting, by the ICE, a first code to the first controller if the first address is the same as a second address, where the second address is an address corresponding to an abnormal address cell in the code SRAM, and the first code is a correct code of the abnormal address cell; or obtaining, by the ICE, a second code corresponding to the first address from the code SRAM, and transmitting the second code to the first controller, if the first address is different from the second address.