Abstract: The present disclosure belongs to the technical fields of nanoscience and fluorescence sensing, and specifically relates to a preparation method of a paper-based sensor for detecting an ammonia gas, and a use of the paper-based sensor. In the present disclosure, Zn(PA)(BPE) is first prepared, and a porous structure on a surface of the Zn(PA)(BPE) is used to adsorb an ammonia gas to improve a reaction sensitivity of the ammonia gas; then a Zn(PA)@CNQD ratiometric fluorescent substance is prepared from Zn(PA)(BPE) and CNQD through embedding, and finally dissolved in ultrapure water (UPW) to obtain a solution; and the solution is added dropwise on a filter paper, and the filter paper is purged with nitrogen, such that the solution is loaded on the filter paper to obtain a ratiometric fluorescent paper-based sensor.

Abstract: A method and system for advanced detection and optimization of tunnel resistivity based on depth resolution.

Abstract: The present disclosure discloses a minimally invasive fracture reduction and fixation system, including a retractable fixing bracket, a reduction device and a fixing device, wherein the retractable fixing bracket includes a connecting member, and a first fixing member and a second fixing member, the reduction device includes at least two reduction regulators, internal fixing needles and limit sleeves, each reduction regulator includes an outer sleeve and an inner sleeve, the inner sleeve has a center hole matching the internal fixing needle at its center, and the fixing device includes at least two external fixing needles. The present disclosure can realize longitudinal displacement and transverse displacement of the first bone segment and the second bone segment of the fracture with reference to the anteroposterior direction, and can realize minimally invasive reduction of the first bone segment and the second bone segment of the fracture.

Abstract: A method may include storing, at a network device, a user device identifier associated with a user device that has subscribed to access an edge service, an edge service identifier associated with the edge service, and an edge device identifier associated with an edge device at an edge network to provide the edge service; receiving, at the network device, a request to access the edge service, wherein the request includes the user device identifier and the edge service identifier; performing, by the network device, a lookup to determine the edge device identifier; and transmitting, by the network device and to the user device, the edge device identifier for accessing the edge service at the edge device.

Abstract: A factory mushroom picking robot includes a mobile platform, a chassis (100), a lifting device (200), a mushroom stick take-up device (300) and a mushroom picking device (400). The mushroom stick take-up device (300) is configured to take mushroom sticks out of a mushroom rack (4), and the mushroom sticks from different layers are taken through the lifting device (200). The mushroom picking device (400) includes a mechanical arm (402) and an execution end (403). The image data of the mushroom sticks are acquired through three depth cameras. Mushroom targets to be picked are identified through multi-view target matching and are divided in terms of the quality grade, so as to achieve graded picking. A vision-based graded picking method, a mushroom detection and grading method based on multi-view fusion and a non-transitory storage medium of executing corresponding method are further provided.

Abstract: A system includes a high density surface emitting laser array source, the high density surface emitting laser array source comprising a near infrared vertical cavity semiconductor laser (VCSEL) array that enables individual access to closely packed laser elements on a sub-microsecond timescale, a detector comprising a dynamic vision sensor having low latency, high dynamic range and ultralow power, and a chip scale neuromorphic computing platform configured to perform real-time target image reconstruction, the distinctly separate high density surface emitting laser array source, the detector and the chip scale neuromorphic computing platform integrated into a single functional whole.

Abstract: A resistance gene TaCAT to FCR of wheat and an application thereof are provided, which relates to the field of biological genetic engineering technologies. The nucleotide sequence of a genome where the TaCAT gene is located, the nucleotide sequence of a cDNA, the nucleotide sequence of a CDS and a coded protein sequence are respectively as shown in SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3 and SEQ ID NO: 4. An InDel marker is developed for identifying different allelotypes of the TaCAT gene. An application of the TaCAT gene for preparation of transgenic plant cells and plant breeding is provided. The molecular genetic basis of the resistance to FCR is disclosed, an important role is played in improving the resistance to FCR by utilizing a genetic engineering technology, and a new way is provided for breeding a new wheat variety with disease-resistance and safety.

Abstract: The present invention relates to an energy flow scheduling method based on multi-agent reinforcement learning, and the method comprising: designing an energy flow transmission mode for clustered islands, so as to describe energy transmission processes in between the clustered islands; building an energy flow transmission model for the clustered islands based on the energy flow transmission mode; establishing an energy system energy management model for the clustered islands; and realizing energy flow scheduling for the clustered islands based on multi-agent reinforcement learning methods and solving an energy management strategy. In the present invention, based on multi-agent reinforcement learning methods, in consideration of location characteristics of the clustered islands, reserves of renewable resources and mobile energy storage of electric vessels, self-adaption to changes in load requirements of islands with human settlements is satisfied.

Abstract: The present application provides a method and a system for removing a surface insulating layer of a printed circuit board of a monolithic storage device, and relates to the field of electronic data forensics technologies. The method includes: receiving three-dimensional tomographic spectrum data of the printed circuit board sent by an optical coherence tomography device, and determining a circuit structure image of the printed circuit board according to the three-dimensional tomographic spectrum data; determining at least one key pin position according to the circuit structure image, the key pin position being a pin position corresponding to a memory chip in the printed circuit board; and controlling, in accordance with each key pin position, a laser etcher to ablate an insulating layer covering the key pin position.

Abstract: A method for preparing an antibacterial and fresh-keeping fruit-packaging material through three-dimensional (3D) printing includes the following steps: dissolving gum arabic and pullulan separately in deionized water to obtain a gum arabic solution and a pullulan solution; subjecting a probiotic to cultivation, centrifugation, and resuspension to obtain a bacterial suspension; mixing the bacterial suspension, the gum arabic solution, and the pullulan solution to obtain a core layer solution; mixing polyvinyl chloride, a modifier, and a plasticizer to obtain a shell layer solution; injecting the shell layer solution and the core layer solution into two syringes, respectively; conducting coaxial 3D printing to finally obtain a coaxial 3D printing product with a core-shell structure; and conducting uniaxial 3D printing with the shell layer solution alone to form an outer layer on the coaxial 3D printing product to obtain the antibacterial and fresh-keeping fruit-packaging material with inner and outer layers.

Abstract: The present disclosure discloses a minimally invasive fracture reduction and fixation system, including a retractable fixing bracket, a reduction device and a fixing device, wherein the retractable fixing bracket includes a connecting member, and a first fixing member and a second fixing member, the reduction device includes at least two reduction regulators, internal fixing needles and limit sleeves, each reduction regulator includes an outer sleeve and an inner sleeve, the inner sleeve has a center hole matching the internal fixing needle at its center, and the fixing device includes at least two external fixing needles. The present disclosure can realize longitudinal displacement and transverse displacement of the first bone segment and the second bone segment of the fracture with reference to the anteroposterior direction, and can realize minimally invasive reduction of the first bone segment and the second bone segment of the fracture.

Abstract: A method of predicting a classification of a disease of a subject based on fragmentomic signatures can include accessing sequence data of a biological sample of a subject. The method can also include generating, based on the sequence data, a set of sequence-size values. Each sequence-size value of the set can correspond to a size of a sequence of the sequence data. The method can also include determining fragmentomic signature amplitudes of the subject by projecting the set of sequence-size values onto latent variables of a fragmentomic signature. The latent variables can be generated by applying one or more signal-separation algorithms to other sequence-size values obtained from one or more reference biological samples. The method can also include generating a result by processing the fragmentomic signature amplitudes using a machine-learning model. The result can include a classification predictive of whether the subject has a particular disease.

Abstract: The present disclosure relates to the field of battery technology, and discloses battery test tooling, and a use method and a control method for battery test tooling. The battery test tooling can improve the versatility of the battery test tooling. The battery test tooling comprises: a bracket, at least two sets of driving assemblies, and pressing members, wherein the driving assemblies are mounted on the bracket; and each set of driving assembly is provided with the pressing member, a pressing face on the pressing member that is away from the bracket being used to abut against a battery to be tested; and each of the pressing members is movable in a direction away from or approaching the bracket under the drive of the driving assembly. The battery test tooling provided in the present application is used to test the battery to be tested.

Abstract: The photovoltaic cell includes a silicon substrate, a first passivation layer, a second passivation layer, at least one silicon oxynitride layer, and at least one silicon nitride layer. The second passivation layer includes a first silicon oxide layer and at least one aluminum oxide layer, and a thickness of the at least one aluminum oxide layer is in a range of 4 nm to 20 nm. The number of silicon atoms is greater than the number of oxygen atoms in the at least one silicon oxynitride layer and the number of oxygen atoms is greater than the number of nitride atoms in the at least one silicon oxynitride layer. The first silicon oxide layer is disposed between the substrate and the at least one aluminum oxide layer, and a thickness of the first silicon oxide layer is in a range of 0.1 nm to 5 nm.

Abstract: The invention provides a carbon dioxide-based polyurethane elastomer with damping and anti-fatigue aging properties and its preparation method. It is obtained from Component A and Component B; Component A includes: PTMG-1000 45˜60 parts, carbon dioxide-based polyol 25˜30 parts, poly-DOPO-ITA-pentanediol ester 10˜20 parts, BDO 3˜5 parts, water 0.3˜0.5 parts, N-methylimidazole 0.5˜0.8 parts, bis(2-dimethylaminoethyl) ether 0.1˜0.2 parts, needle-shaped nano-titanium dioxide 0.5 parts, hindered phenol 0.2˜0.5 parts, dibutyltin dilaurate 0.1˜0.3 parts, strontium chloride 0.005˜0.01 parts, rhodium chloride 0.02˜0.03 parts, foaming agent 0.2˜0.5 parts; Component B includes: carbon dioxide-based polyol 50˜55 parts, MDI-50 45˜50 parts, organic zinc 0.01˜0.02 parts, organic bismuth 0.01˜0.02 parts.

Abstract: The application describes method of modifying an image. The method may include a step of receiving, via an user interface of a service, a reference image and an input including text associated with the reference image. The method may also include a step of determining, via a trained machine learning (ML) model, one or more features of the reference image. The method may further include a step of modifying, via one or more trained latent diffusion models (LDMs), the reference image based upon the determined features and the received input. Any one or more of a background of the reference image, an area of the reference image or a style of the reference image may be modified. The method may even further include a step of causing to display, via the user interface of the service, the modified image.

Abstract: A system includes a high density surface emitting laser array source, the high density surface emitting laser array source comprising a near infrared vertical cavity semiconductor laser (VCSEL) array that enables individual access to closely packed laser elements on a sub-microsecond timescale, a detector comprising a dynamic vision sensor having low latency, high dynamic range and ultralow power, and a chip scale neuromorphic computing platform configured to perform real-time target image reconstruction, the distinctly separate high density surface emitting laser array source, the detector and the chip scale neuromorphic computing platform integrated into a single functional whole.

Abstract: This application provides a method for box leak detection and a leak detection system, and relates to the field of leak detection technologies. The method for box leak detection may include: filling a box under test with a tracer gas, where the box under test has a plurality of positions under test; and measuring a leak rate at each position under test. Leak detection may be performed on each position under test of the box under test. In this way, not only a specific leak position can be determined, so that leak-proof treatment may be subsequently performed on the leak position in a targeted manner, but also the leak rate at each position under test can be measured, providing a basis for a level of to-be-taken leak-proof measures and whether to take leak-proof measures, thereby improving accuracy of box leak detection.

Abstract: The present disclosure relates to a data processing method and apparatus, a device and a medium. In the present disclosure, by obtaining the attribute data of the operation object corresponding to the node displayed on the target node in the program code and associating the obtained attribute data with the corresponding node, the attribute data associated with the node can be modified directly based on the operation data corresponding to the drag-and-drop operation when dragging and dropping the node on the target node, without the need to search for the operation object, such that through a simple operation process, dragging and dropping the node can be displayed, enabling the node to be displayed at the position where the drag-and-drop operation ends based on the modified attribute data.

Abstract: The present disclosure relates to a method and a system for data synchronization, and a computer-readable storage medium. In the method, multiple data sources are connected in response to the operation of configuring data sources in the first interactive interface. Then, in response to the operation of creating a task in the second interactive interface, a task configuration file can be generated. Afterwards, in response to the operation of starting the data synchronization task in the third interactive interface, the to-be-synchronized data is synchronized from the source data source to the target data source. In this way, in the embodiments, data transmission between different data sources can be achieved through visual configuration operations, without the need for repeated development, and the configuration process is simple, which can reduce learning costs.