Abstract: The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.

Abstract: A continuously variable transmission with both equal-difference output and equal-ratio output includes an input mechanism, a hydraulic transmission mechanism, a planetary-gear-set convergence mechanism, an equal-difference output mechanism, an equal-ratio output mechanism, a clutch assembly, and a brake. The clutch assembly connects an output end of the input mechanism to an input end of the hydraulic transmission mechanism and the planetary-gear-set convergence mechanism and connects an output end of the hydraulic transmission mechanism to the planetary-gear-set convergence mechanism. The clutch assembly connects the planetary-gear-set convergence mechanism to the equal-difference output mechanism and the equal-ratio output mechanism. The clutch assembly connects the equal-ratio output mechanism to the equal-difference output mechanism.

Abstract: A continuously variable transmission with both equal-difference output and equal-ratio output includes an input mechanism, a hydraulic transmission mechanism, a planetary-gear-set convergence mechanism, an equal-difference output mechanism, an equal-ratio output mechanism, a clutch assembly, and a brake. The clutch assembly connects an output end of the input mechanism to an input end of the hydraulic transmission mechanism and the planetary-gear-set convergence mechanism and connects an output end of the hydraulic transmission mechanism to the planetary-gear-set convergence mechanism. The clutch assembly connects the planetary-gear-set convergence mechanism to the equal-difference output mechanism and the equal-ratio output mechanism. The clutch assembly connects the equal-ratio output mechanism to the equal-difference output mechanism.

Abstract: The present disclosure provides systems and methods for controlling an X-ray imaging device. The method may include causing an X-ray source to emit X-rays to irradiate a subject. The method may also include generating an X-ray image of the subject. The X-ray image may be generated using a detector that is arranged to face the X-ray source to detect a portion of the X-rays that pass through the subject. And the method may further include causing to project, using an optical projection device, the X-ray image of the subject on a surface of the subject.

Abstract: A pixel processing circuit, a reading method thereof and an image sensor are provided. The pixel processing circuit includes a pixel array comprising a plurality of pixel units arranged in a Bayer array, an Analog-to-Digital Converter (ADC) module comprising a plurality of analog-to-digital converters and a plurality of switch selection modules. The analog-to-digital converters are respectively located on the opposite first side and second side of the pixel array. The switch selection modules are set between the pixel array and the analog-to-digital converters to switch the connectivity between the pixel units and the analog-to-digital converters on the opposite sides of the pixel array so that signals of green pixel units are read by first analog-to-digital converters located at the first side of the pixel array, and signals of remaining color pixel units are read by second analog-to-digital converters that are located at the second side of the pixel array.

Abstract: The present disclosure discloses a lamp body and a lamp cup. An installation ring platform is provided on a bottom of the lamp cup, and the installation ring platform is provided with a plurality of wire clamping grooves the plurality of wire clamping grooves are arranged along a circumferential direction of the installation ring platform; and a bayonet that is provided on a top of the wire clamping groove, and the bayonet is located on a top surface of the installation ring platform.

Abstract: Provided are amino acid sequences of engineered transaminase polynucleotide that are useful for asymmetrically synthesizing chiral amine compounds, and its preparation process and reaction process under industrial-relevant conditions. Also provided are polynucleotide sequences encoding engineered transaminase polypeptides, engineered host cells capable of expressing engineered transaminase polypeptides, and methods of producing chiral amine compounds using engineered transaminase polypeptides. Compared to other enzymes, the engineered transaminase polypeptides provided by this invention have better catalytic activity and stability, and are not inhibited by chiral amine products in the synthesis process. The use of the engineered polypeptides of the present invention for the preparation of chiral amine compound results in higher unit activity, and has good industrial application prospects.

Abstract: The present disclosure provides a vehicle positioning device for vehicle vision calibration, a positioning adjustment method, and a positioning adjustment system. The vehicle positioning device includes a base, a chassis, a translation mechanism and a rotation mechanism. A to-be-calibrated vehicle is placed onto the chassis, and the chassis is provided with a stopper. The translation mechanism is arranged between the chassis and the base, and configured to drive the chassis to move in an X-axis direction in a three-dimensional coordinate system relative to the base in accordance with a translation control instruction. The rotation mechanism is arranged between the chassis and the base, and configured to drive the chassis to rotate about a Z-axis in the three-dimensional coordinate system relative to the base in accordance with a rotation control instruction.

Abstract: Embodiments of the present disclosure provide a method for identifying those entities within a network that have the most influence on other entities within the network. A multi-relational network comprising links among a plurality of physicians is generated based on peer network data, wherein each link indicates a first physician that influences a second physician, and a weight of the influence. A decision by a treating physician of the plurality of physicians is decomposed, using a deep learning engine, into a magnitude of peer influence and a magnitude of control factor influence based on the multi-relational network and a plurality of control factors respectively. The magnitude of peer influence among one or more physicians in the multi-relational network is distributed among physicians in the multi-relational network based on the links each physician maintains with other physicians.

Abstract: The present disclosure discloses a preparation method of a ternary precursor, including: S1: mixing a first metal salt solution with a soluble nickel salt, a soluble cobalt salt, and a soluble manganese salt, ammonia water, and a sodium hydroxide solution, adjusting a pH, and heating and stirring a resulting mixture to allow a reaction; and aging and filtering a resulting slurry to obtain a precursor seed crystal; S2: adding the precursor seed crystal to a dilute acid solution, and stirring and filtering a resulting mixture to obtain an acidified seed crystal; and S3: mixing a second metal salt solution with a soluble nickel salt, a soluble cobalt salt, and a soluble manganese salt, a sodium hydroxide solution, and the acidified seed crystal, adjusting a pH, and heating and stirring a resulting mixture to allow a reaction; and aging, filtering, and drying a resulting slurry to obtain the ternary precursor.

Abstract: The present disclosure belongs to the technical field of metal oxide materials, and discloses a synthesis method of cobalt hydroxide and cobalt hydroxide. The synthesis method includes: (1) stirring and heating ammonium citrate, introducing a protective gas, adding a cobalt salt and a mixed alkali liquor to allow a reaction, and adjusting a pH to obtain a cobalt hydroxide slurry; and (2) subjecting the cobalt hydroxide slurry to alkali-leaching, filtering, and slurrying a resulting filter residue; and washing a resulting slurry with a detergent, and drying the resulting slurry to obtain the cobalt hydroxide. In the present disclosure, ammonium citrate is used as a base solution, and a cobalt solution and a mixed alkali liquor are added to synthesize a cobalt hydroxide slurry in one step under a protective atmosphere.

Abstract: The present disclosure belongs to the technical field of battery materials, and discloses a silicon/carbon composite anode material, and a preparation method and use thereof. The preparation method includes the following steps: S1. dissolving a graphite anode powder in an acid solution, and conducting solid-liquid separation (SLS) to obtain a precipitate; and washing and drying the precipitate, adding a reducing agent, and subjecting a resulting mixture to heat treatment to obtain a purified graphite material; and S2. mixing a modified silicon powder with the graphite material, adding a resulting mixture to a polyimide (PI)-containing N,N-dimethylformamide (DMF) solution, and stirring; and subjecting a resulting mixture to distillation and then to carbonization to obtain the silicon/carbon composite anode material.

Abstract: The disclosure discloses a precursor with a transformed crystal form and a preparation method thereof. The preparation method includes: (1) heating a carbonate solution, a cobalt salt to allow a reaction, and spray adding a carbonate solution to allow a reaction to obtain a cobalt carbonate slurry; (2) allowing the slurry to stand, spray adding a cobalt salt and a carbonate solution, and spray adding a cobalt salt using a single spray head at a flow rate of 1 m3/h to 3 m3/h and a carbonate solution using no less than three spray heads each at a flow rate of 0.2 m3/h to 5 m3/h to obtain cobalt carbonate with a transformed crystal form; and (3) further spray adding a cobalt salt and a carbonate solution to the cobalt carbonate with a transformed crystal form, heating to allow a constant-temperature reaction, and washing and calcining a product.

Abstract: The present invention discloses a radially-structured nickel-based precursor and a preparation method thereof. An overall shape of the precursor is a secondary sphere formed by agglomeration of primary crystal grains; and the secondary sphere has a loose and porous network core inside and uniform and regular strip primary crystal grains outside, and the strip primary crystal grains grow outward perpendicularly to a surface of the core and are arranged radially and closely. The precursor structure of the present invention is more suitable for high-power battery cathode materials. The internal loose structure is more likely to form a void in the center during a preparation process of a cathode material, which helps to expand a contact area between an active material and an electrolyte.

Abstract: The present disclosure involves a calculation method and device for intelligent cutting squid white slices, the calculation method being implemented on the device for intelligent cutting squid white slices. The calculation method may be implemented on a calculation device, the calculation device may have at least one processor and at least one storage medium including an instruction set used for intelligent cutting the squid white slices, the calculation method including: reading a laser point cloud data of a three-dimensional (3D) topography of the squid white slices; optimizing the laser point cloud data; extracting an effective area of the squid white slices; determining a cutting zero point; determining a cutting process area; and determining optimization of a cutting point position and a cutting angle. The one or more embodiments provided by the present disclosure may satisfy the needs of large-scale continuous production in factories, reduce labor costs, and improve production efficiency.

Abstract: The present disclosure discloses a preparation method of platy aluminum-doped cobalt carbonate and use thereof. The preparation method includes the following steps: S1: mixing a cobalt salt, an aluminum salt, and a polyhydroxy compound to prepare a mixed solution; S2: mixing the mixed solution with an ammonium bicarbonate solution, adjusting a pH, and heating and stirring to allow a reaction to obtain a seed crystal solution; and S3: adding the mixed solution and an ammonium bicarbonate solution to the seed crystal solution, adjusting a pH, and heating and stirring to allow a reaction, during which a solid content in a slurry is controlled at 20% to 40% until a particle size in the slurry grows to a target value; and separating out, washing, and drying a solid phase to obtain the platy aluminum-doped cobalt carbonate.

Abstract: The present disclosure involves a calculation method and device for intelligent cutting squid white slices, the calculation method being implemented on the device for intelligent cutting squid white slices. The calculation method may be implemented on a calculation device, the calculation device may have at least one processor and at least one storage medium including an instruction set used for intelligent cutting the squid white slices, the calculation method including: reading a laser point cloud data of a three-dimensional (3D) topography of the squid white slices; optimizing the laser point cloud data; extracting an effective area of the squid white slices; determining a cutting zero point; determining a cutting process area; and determining optimization of a cutting point position and a cutting angle. The one or more embodiments provided by the present disclosure may satisfy the needs of large-scale continuous production in factories, reduce labor costs, and improve production efficiency.

Abstract: The present disclosure discloses a recycling method for a mixed waste material of lithium nickel manganese cobalt oxide (LNMCO) and lithium iron phosphate (LFP), including: conducting acid-leaching to obtain an acid-leaching liquor with nickel, cobalt, manganese, phosphorus, iron, and lithium; conducting adsorption separation with a resin, washing the resin with sulfuric acid to obtain a mixed solution of nickel sulfate, cobalt sulfate, and manganese sulfate, and subjecting the mixed solution to precipitation to obtain an LNMCO cathode material precursor; and subjecting an obtained solution with phosphorus, iron, and lithium to lithium precipitation to obtain a lithium salt precipitate, and subjecting a post-precipitation solution to concentration and electrospinning to obtain a ferric phosphate/carbon material. The process of the present disclosure can achieve comprehensive recycling of a mixed waste material of LNMCO and LFP and the directed circulation of waste LNMCO and LFP materials.

Abstract: A large-flux in-situ filtration device for marine microorganism based on a multi-channel circulation distributor is provided, comprising an energy and control module, a circulation distribution module, a filtration module, a pump module, a filtration volume measurement module, a pipeline connection, and a main body support frame. The circulation distribution module may include a multi-channel circulation distributor, a deep-sea servo motor, etc. The filtration module may include a plurality of filter film holders. The pump module may include a stainless steel gear pump, a deep-sea drive motor, etc. The filtration volume measurement module may include a water meter, a camera, and an LED light.

Abstract: A computer-assisted method to timely provide notifications of treatments, the method including receiving de-identified longitudinal medical records, receiving notification data, identifying anonymized patients that received the treatment, identifying notifications for the treatment that were received by the recipients, determining, for each of the identified notifications, whether the recipient is an anonymized patient identified as having received the treatment, determining, for each of the identified notifications for the treatment determined to be received by a recipient that is an anonymized patient identified as having received the treatment, a time relationship between the time when the treatment was received by the anonymized patient and the time that the notification was received by the recipient that is the anonymized patient, and determining, for each of the anonymized patients that received the treatment, associations between one or more time relationships for notifications received by the anonymiz