Abstract: Embodiments of this application provide a screenshot method, an electronic device, and a storage medium, and relate to the field of computers. The method includes: in response to a detected multi-finger swipe operation of a user, obtaining first touch data of the user; parsing the first touch data, and updating the first touch data based on a parsing result to obtain second touch data; parsing the second touch data, to determine whether a user gesture corresponding to the second touch data is a preset screenshot gesture; and if it is determined that the user gesture corresponding to the second touch data is the preset screenshot gesture, performing a screenshot operation. The method provided in embodiments of this application can avoid a page scrolling situation caused by a user in a screenshot process, thereby improving user experience.

Abstract: Provided are a battery cabinet including a cabinet body and a drain valve assembly. The bottom of the drain valve assembly is fixed, by an installation port at the bottom of the cabinet body, to the battery cabinet from bottom to top, and the top of the drain valve assembly is in butt joint with a drain outlet in the cabinet body. The drain valve assembly is provided with magnetic substances, which can realize automatic drainage. Compared with a method for installing a drain valve assembly from the inside of a battery cabinet in the prior art, the operation of fixing the drain valve assembly through the installation port in the present application is more convenient, the drain valve assembly can be disassembled without moving battery cells in the cabinet, and thus convenience of disassembly and assembly of the drain valve assembly is improved.

Abstract: Embodiments herein relate to a sampling phase-locked loop (PLL) with a compensation circuit for reducing ripples due to the use of a fractional N divider. The compensation circuit includes a ripple amplifier and a ripple divider. The ripple amplifier receives an output voltage, Vmain, of a main sampling circuit of the PLL and amplifies its alternating current (AC) components. The amplified output voltage is provided to a ripple integrator which samples the minimum and maximum values to provide inputs to an operational amplifier (op amp). An output of the op amp is fed back to a digital-to-analog converter (DAC), which provides a corresponding compensation voltage, Vcomp. Vcomp is added to Vmain to provide a final output control voltage, Vctrl, to control a voltage-controlled oscillator (VCO) of the PLL.

Abstract: A film manufacturing equipment includes a transporting device, a filtering device, a coating device, a baking device and a blowing device. Transporting device is configured to transport a substrate. The filtering device is configured to filter a solution. The coating device is configured to squeeze and coat the filtered solution on the substrate. The baking device is configured to bake the solution coated on the substrate. The blowing device is configured to blow an air to the baked solution.

Abstract: A coil module is provided, including a second coil mechanism. The second coil mechanism includes a third coil assembly and a second base corresponding to the third coil assembly. The second base has a positioning assembly corresponding to a first coil mechanism.

Abstract: Described herein are recombinant microbial host cells comprising biosynthetic pathways and their use in producing oxidation products and downstream products, e.g., melatonin and related compounds, as well as enzyme variants, nucleic acids, vectors and methods useful for preparing and using such cells. In specific aspects, the present invention relates to monooxygenases, e.g., amino acid hydroxylases, with a modified cofactor-dependency, and to enzyme variants and microbial cells providing for an improved supply of cofactors.

Abstract: An apparatus, system, and method for multi-frequency oscillator control are provided. A circuit can include a resonator circuit including an input and an output, the resonator circuit configured to resonate at a fundamental frequency and a different, non-fundamental frequency, a startup circuit electrically coupled to the input, the startup circuit configured to generate a signal at about the non-fundamental frequency and detect when the resonator circuit is resonating at the non-fundamental frequency, and an oscillator driver circuit electrically coupled to the output, the oscillator driver circuit configured to amplify and buffer the output of resonator circuit and drive a load.

Abstract: The present disclosure provides a precursor solution of a semiconductor electrothermal film, which comprises component A, component B, and component C. The component A comprises the following components by weight: 2-10 parts of tin tetrachloride pentahydrate, 3-6 parts of stannous chloride and 0.3-1 part of glycerol, also comprises a pH regulator, the pH of the component A is 4.7-6.2; the component B comprises the following components by weight: 5-10 parts of conductivity regulator, the conductivity regulator is selected from a group consisting of antimony trichloride dihydrate, bismuth trioxide, aluminum oxide and thallium dioxide, 0.6-1 part chlorinated aluminum and a mixture thereof, also comprises a pH regulator, the pH of the component B is 4.7-5.0; the component C comprises the following components by weight: 0.5-0.7 parts of tin oxide, 0.8-1.5 parts of bismuth oxide and 15-25 parts of ethanol; also comprises 15-30 parts of distilled water.

Abstract: A porous film and a method for manufacturing the same are provided. The method includes: using a ternary mixed solvent to dissolve a structural material selected from the group consisting of nitrocellulose, polyvinylidene fluoride, polysulfone, and any combination thereof and an auxiliary structural material selected from the group consisting of cellulose acetate, polylactic acid, poly(lactic-co-glycolic acid), poly-(D)glucosamine, and any combination thereof, so as to obtain a mixed solution; adding water into the mixed solution to obtain a film-forming solution; coating the film-forming solution onto a carrier substrate to form a wet film; and vaporizing the ternary mixed solvent and the water to form the porous film on the carrier substrate. The ternary mixed solvent, based on a total weight thereof being 100 phr, includes 28 phr to 38 phr of ethanol, 25 phr to 42 phr of isopropanol, and 25 phr to 40 phr of acetone.

Abstract: An apparatus for improving the safety and efficiency of underground mining by issuing intelligent warnings of impending coal or rock dynamic disasters includes at least one coal or rock charge probe adaptable to a coal or rock face and configured to detect charge data generated by coal or rock cracking during a mining process, and a monitoring host electrically connected to the coal or rock charge probe and configured to receive the charge data and issue a warning of an impending coal or rock dynamic disaster when warranted by the charge data. In embodiments, the apparatus includes a plurality of channels, and is non-contacting and/or portable.

Abstract: A coil module is provided, including a second coil mechanism. The second coil mechanism includes a third coil assembly and a second base corresponding to the third coil assembly. The second base has a positioning assembly corresponding to a first coil mechanism.

Abstract: A process is described for forming taurine, which comprises reacting monoethanolamine with sulfuric acid to provide an 2-aminoethanol hydrogen sulfate ester product, combining the 2-aminoethanol hydrogen sulfate ester product with at least one of carbon dioxide, a carbonate or bicarbonate and with at least one of a sulfite or bisulfite to form a sulfonation reaction mixture, and heating the sulfonation reaction mixture for a sufficient time to form a taurine product therefrom. The efficiency of the sulfonation step is improved sufficiently to enable a continuous process for making taurine, particularly with at least some concurrent water removal in the first, esterification step to facilitate full conversion of the monoethanolamine to the desired 2-aminoethanol hydrogen sulfate ester intermediate.

Abstract: Embodiments are disclosed for a matrix coded stereo signal with periphonic elements. A mixing matrix, suitable for processing a multi-channel audio input signal, is constructed so that the resulting multi-channel output signal contains the same audio elements from the input signal, wherein the spatial relationships between audio elements, as defined by panning rules associated with the input signal format, are preserved in the output signal, as defined by matrix encoding rules associated with the output signal format. The choice of the coefficients of the mixing matrix is governed by a phase-preference rule that is used to determine the appropriate phase to apply to each input signal channel.

Abstract: The method includes: a first electronic device detects signal strength existing when the first electronic device communicates with a second electronic device, and determines whether the signal strength is less than a preset value; when the signal strength is less than the preset value, the first electronic device determines a current service state of the second electronic device, and determines, based on the current service state, working modes that respectively correspond to the first electronic device and the second electronic device and that are suitable for the current service state; and the first electronic device switches a working mode to the determined working mode that corresponds to the first electronic device and that is suitable for the current service state, and sends an instruction to indicate the second electronic device to switch a working mode to the determined working mode that corresponds to the second electronic device.

Abstract: A process comprises continuously adding a first stream and a second stream to a sulfonation vessel, wherein the first stream comprises aminoethanol sulfate ester (AES) and the second stream comprises an aqueous solution of sodium sulfite (Na2SO3). The process comprises continuously mixing the AES and the aqueous solution of Na2SO3 in the sulfonation vessel, thus producing a mixture. The process comprises continuously subjecting the mixture to heat in the presence of an inert gas, thus converting the AES to the taurine via sulfonation. In an aspect, the AES has a residence time of no more than four hours in the sulfonation vessel. In an aspect the heating step is conducted at a temperature of at least 115° C. and a pressure of at least 200 psi.

Abstract: A movable platform includes one or more propulsion units configured to provide a driving force to the movable platform and a control unit operatively coupled to the one or more propulsion units. The control unit is configured to: communicate with a plurality of batteries adapted to supply current to the one or more propulsion units; obtain one or more electrical characteristics of each of the plurality of batteries; and determine, based on the electrical characteristics, a controlling signal to set a power supply state for at least one of the plurality of batteries.

Abstract: An Inode number distribution management method and apparatus for a distributed storage system, and a device and a readable storage medium. The method includes: performing recycling monitoring on a client distributed with an Inode number; if the client connection is abnormal or after metadata is deleted, performing node number recycling processing on the Inode number without the corresponding metadata; re-putting the recycled Inode number into an available Inode number resource; and when the client requests to distribute the Inode number, distributing Inode numbers according to the available Inode number resources, to recycle the Inode number. It is guaranteed that each Inode number is fully utilized under limited Inode number resources, the use amount of the whole Ino is saved, and the number of files stored by the distributed file system under the limited Inode number resources is increased.

Abstract: The present application relates to the technical field of circuit boards. In particular, disclosed are an optical fiber circuit board assembly and an electro-optical circuit board. The optical fiber circuit board assembly comprises a substrate, which comprises a substrate body, the substrate body at least being provided with a first window; and a plurality of optical fiber units, which are arranged on the substrate, wherein one end of each of the plurality of optical fiber units extends to the first window and is used for being coupled to a plurality of optical devices, and the other end of each of the plurality of optical fiber units extends to the outside of the substrate. By the means, according to the present application, the assembly of optical interconnection and electrical interconnection can be simplified, thereby greatly improving efficiency.

Abstract: Provided is an electronic paper. The electronic paper includes: an array substrate and a cover plate that are arranged oppositely, and an electrophoretic layer disposed between the array substrate and the cover plate. The array substrate includes: a substrate, a pixel electrode disposed on the substrate, a first auxiliary electrode disposed on the substrate and electrically connected to the pixel electrode, and a second auxiliary electrode disposed between the pixel electrode and the first auxiliary electrode, wherein the second auxiliary electrode is insulated from the pixel electrode and the first auxiliary electrode. An orthographic projection of the second auxiliary electrode on the substrate is at least partly overlapped with an orthographic projection of the pixel electrode on the substrate, and is at least partly overlapped with an orthographic projection of the first auxiliary electrode on the substrate.

Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display apparatus, and relates to the field of display technology. The manufacturing method of a display substrate includes providing a base substrate, and forming pixels on the base substrate, wherein the forming pixels includes: forming a first auxiliary electrode on the base substrate; forming a first interlayer insulating layer on a side of the first auxiliary electrode away from the base substrate; sequentially forming a second conductive film and a first photoresist layer, exposing the first photoresist layer with a mask plate having regions of different light transmittances by controlling exposure time based on requirements on an operating frequency band of the pixels, to form a source electrode and a drain electrode of the thin film transistor and a second auxiliary electrode, forming a second interlayer insulating layer; and forming a pixel electrode.