Abstract: The present disclosure provides a map information acquisition method and a map acquisition apparatus and a non-transitory computer-readable storage medium. The method comprises: acquiring and constructing, by a map acquisition apparatus, map data, and acquiring, by the map acquisition apparatus, shelf identity information of each of shelves, wherein the shelf identity information is in one-to-one correspondence with the shelves, wherein the map acquisition apparatus comprises: a shopping cart component provided with a map construction system and a radio frequency identification reader; and marking, by the map acquisition apparatus, the map data according to each of the shelf identity information, and generating, by the map acquisition apparatus, map information marked with multiple pieces of shelf identity information.

Abstract: Technology for identifying an object of interest includes obtaining object embeddings for a plurality of objects in an image, obtaining text embeddings for text associated with the image, determining, for each of the plurality of objects, a similarity score via a similarity model based on the text embeddings and the object embeddings, while bypassing use of bounding box coordinates, and selecting the object having the highest similarity score as the object of interest. In another example, technology for identifying an object of interest includes obtaining object embeddings for a plurality of objects in an image, obtaining text embeddings and text identifiers for text associated with the image, generating, via a single transformer encoder, a set of CLS embeddings based on the text embeddings and the object embeddings, and determining, via a neural network, the object of interest based on the CLS embeddings.

Abstract: A method for producing an aluminium alloy extrusion, consisting of an alloy with the composition ?0.30% by weight of silicon, ?0.40% by weight of iron, 0.01-1.1% by weight of manganese, ?0.30% by weight of magnesium, ?0.70% by weight of zinc, ?0.35% by weight of chromium, ?0.20% by weight of zirconium, ?0.25% by weight of titanium, ?0.20% by weight vanadium, ?0.10% by weight of copper, up to 0.15% by weight of other impurities, each not greater than 0.03% by weight and the balance aluminium, the method comprising the steps casting the molten metal into extrusion billet a) subjecting the billet to a homogenization treatment at a holding temperature of 550 to 620° C. for 6 to 10 hours b) heating the billet to a temperature of 400 to 550° C. c) extruding the billet to a tube.

Abstract: The present invention provides an electronic shelf label communication system, method and apparatus.

Abstract: A time-resolved fluorescence kit for synchronously detecting 4,15-diacetoxyscirpenol, aflatoxin B1 and sterigmatocystin includes an immunochromatography time-resolved fluorescence test strip and a sample reaction bottle containing europium-labeled anti-4,15-diacetoxyscirpenol, anti-aflatoxin B1 and anti-sterigmatocystin monoclonal antibodies, where a water absorption pad, a detection pad and a sample pad are sequentially disposed on one side of the immunochromatography time-resolved fluorescence test strip from top to bottom, adjacent pads are connected in an overlapping manner at a joint, the detection pad uses a nitrocellulose membrane as a base pad, a quality control line and detection lines are transversely arranged on the nitrocellulose membrane from top to bottom, the quality control line is coated with a rabbit antimouse polyclonal antibody, and the three detection lines each are coated with a toxin-protein conjugate.

Abstract: The invention discloses a digital slide scanner sample identification device, and relates to the digital slide scanner for solving the problem that a bar code scanner can normally read a bar code label through the light contact, and the samples cannot be read due to the shielding of the bar code since the samples are stored in the digital slide scanner or scanning samples are stacked. The device comprises a digital slide scanner, and scanning samples; a near-field communication NFC read-write module is arranged in the digital slide scanner, and a NFC label is arranged on each scanning sample. By using the NFC technology, the NFC label data in a large amount of scanning samples can be read within short time, a feedback indication can be provided, and the working efficiency is greatly improved. The invention further discloses a digital slide scanner sample identification method.

Abstract: The present disclosure provides systems and methods for image filtering. The method may include obtaining an initial image block from a reconstructed image; determining at least one candidate image block by performing a filtering operation on the initial image block using at least one trained machine learning model; and determining a target image block based on the at least one candidate image block.

Abstract: A power decentralized electric locomotive apparatus includes an electric locomotive and a plurality of muck trucks. The electric locomotive and the plurality of muck trucks are connected in sequence, and a mater drive motor is fixedly mounted on the electric locomotive. A slave drive motor is fixedly mounted on at least one of the muck trucks; a torque of the slave drive motor is smaller than a torque of the mater drive motor; and the slave drive motor cooperates with the mater drive motor, to enable the muck truck to travel on rails and reduce drive power and self-weight of the electric locomotive.

Abstract: A method of wireless communication by a user equipment (UE) supporting multiple subscriptions, includes camping on a first cell of a first radio access technology (RAT) with a first data subscription, and camping on a second cell of a second RAT with a second data subscription. The method also includes triggering a transition to the first cell of the first RAT for the second data subscription. The method further includes performing, with the first data subscription, activities on behalf of the second data subscription.

Abstract: The present disclosure provides a commodity positioning method and apparatus, a device and a storage medium. The method comprises: acquiring map information marked with multiple pieces of shelf identity information, wherein the multiple pieces of shelf identity information are in one-to-one correspondence with shelves; acquiring shelf image information corresponding to the shelf identity information; identifying, according to the shelf image information, a commodity corresponding to each of electronic price label apparatuses on a corresponding shelf and a first positional relationship between each of the electronic price label apparatuses and the corresponding shelf; generating location information of each of the commodities according to the first positional relationship and the map information.

Abstract: The present disclosure may relate to systems and methods for inter frame prediction of a video. A method may include setting, based on a block to be predicted of an image frame, a search template. The method may also include searching for, based on a search strategy, an optimal search block of the search template in a reference frame of the image frame. The method may further include determining, based on the optimal search block, prediction information of the block to be predicted.

Abstract: A rapid cleaning system of milking cups in milking hall is provided. The rapid cleaning system includes a bottom plate, a supporting pipe fixed on the top of the bottom plate, a supporting positioning component fixed on the top of the supporting pipe, a lifting mechanism sliding sleeved with the supporting pipe, and a clamping and fixing mechanism connected to the outer ring of the supporting pipe and the supporting positioning component. A placing platform for the milking cup group is provided, in the process of placing the milking cup group, the milking cup group is cleaned and disinfected.

Abstract: This invention discloses digitally printed plate, the manufacturing method and applications thereof, is characterized in that the digitally printed plate is of respectively from top to bottom surface lacquer layer, texture layer, second wear layer, first wear layer, pattern layer, bottom lacquer layer, base layer. The digitally printed plated has various patterns, with sufficient materials, printing unrepeatable stereoscopic pattern is possible, so it can satisfy customers' personalized customization requirements, without wasting abundant time or cost, and with process reduced, production efficiency is improved, enabling order manufacturing order insert and sample making at any time.

Abstract: Disclosed is a microwave chemical method for totally extracting fluorine and rare earth from bastnaesite concentrate, including: alkaline conversion defluorination of bastnaesite through microwave irradiation, microwave-assisted leaching of fluorine, solid-liquid separation of leaching solution and microwave-assisted leaching of rare earth. The rare earth hydrochloric acid solution for leaching contains no fluorine ion, so that the fluorine interference of subsequent processes such as impurity removal can be completely avoided; the fluorine and the rare earth are leached with microwaves, which does not need the stirring, so that the automatic control is easy to implement; the fluorine and rare earth leaching speed is high, the leaching time is short and the complete leaching of fluorine and little residual alkali in the slag can be realized by two-time leaching; and no fluorine-containing waste water is discharged, and the total extraction of the rare earth can be realized by one-time leaching.

Abstract: A downhole throttling device based on wireless control includes an inlet nozzle, a throttling assembly, an electrical sealing cylinder, a gas guide cylinder, a lower adapter sleeve, an end socket, a female sleeve, and electrical components. The inlet nozzle is connected to the throttling assembly, the throttling assembly is connected to the electrical sealing cylinder and the gas guide cylinder, the electrical sealing cylinder and the gas guide cylinder are both connected to the lower adapter sleeve, the lower adapter sleeve is respectively connected to the end socket and the female sleeve, and the electrical components are arranged in the electrical sealing cylinder. A throttling effect is achieved by detecting the temperature and pressure in a tube by a temperature/pressure sensor in the electrical components and controlling a motor to rotate a movable valve in the throttling assembly by a circuit control assembly, thereby achieving wireless control over downhole throttling.

Abstract: Embodiments of this application provide a peer-to-peer network scheduling method. The method includes: obtaining a fragment file list, where the fragment file list includes information about a plurality of fragment files, each fragment file includes one or more segments, and each segment corresponds to one segment number; downloading a missing segment in a target fragment file from another client device based on a downloading progress of downloading each segment of the target fragment file by each client device; and when a player requests the target fragment file, stopping downloading the missing segment in the target fragment file from the another client device, and downloading the missing segment in the target fragment file from a CDN server. According to the embodiments of this application, a computation amount and resource consumption of a Tracker server can be reduced, and data transmission efficiency of a P2P network can be improved.

Abstract: Embodiments of this application provides a peer-to-peer network scheduling method. The method includes: obtaining a fragment file list, where the fragment file list includes information about a plurality of fragment files, each fragment file includes one or more segments, and each segment corresponds to one segment number; downloading one or more target segments corresponding to one or more target segment numbers from a CDN server based on the fragment file list and the one or more target segment numbers, where the one or more target segment numbers are located in a target segment list; adjusting the target segment list based on information about data obtained from and/or sent to another client device, to obtain an adjusted target segment list; and downloading one or more target segments corresponding to one or more target segment numbers in the adjusted target segment list from the CDN server.

Abstract: A method for producing a corrosion resistant aluminum alloy extrusion. The method includes providing molten alloy with a composition comprising ?0.30, % by weight of silicon, ?0.40, % by weight of iron, 0.01-0.6% manganese, ?0.30, % magnesium, ?0.70, % zinc, 0.05-0.35% chromium, 0.02-0.20% zirconium, ?0.25% titanium, ?0.20% vanadium, ?0.10% copper, up to 0.15% by weight of other impurities, each not greater than 0.03% by weight, and the balance aluminum. The method includes casting the alloy into an extrusion billet, subjecting the billet to a homogenization treatment at a holding temperature of 550 to 620 deg.C for 6 to 10 hours, heating the billet to a temperature of 400 to 550 deg.C, and extruding the billet to a tube.

Abstract: A method for preparing a supported Ru and/or Ni catalyst includes mixing a magnesium precursor, a zinc precursor, or a nickel precursor with an aluminum precursor in solid phase to form a first mixture; adding an auxiliary agent to the first mixture to form a second mixture, wherein the auxiliary agent is to increase a specific surface area; calcining the second mixture at a first temperature to obtain a spinel carrier; placing the spinel carrier in a solution of a Ru and/or Ni metal salt to impregnate the spinel carrier with the Ru and/or Ni metal salt to obtain an impregnated carrier; and after drying, calcining the impregnated carrier at a second temperature to obtain the supported Ru and/or Ni catalyst.

Abstract: A computer readable storage medium is provided. When contents of the computer readable storage medium are executed by a processor, multi-photon imaging may be performed on a histopathological section containing tumor environment information, and pathological partitioning of a tumor microenvironment may be further performed through image processing. A value of each collagen feature parameters, such as a morphological feature parameter, an energy feature parameter and a texture feature parameter, may be extracted from a tumor tissue region, an invasive margin (IM) region and a normal tissue (N) region. An inter-region difference and a variation may be calculated according to feature parameters of regions. A collagen feature scoring model may be established. A collagen feature score may be calculated with the collagen feature parameters input to the model.