Abstract: The present invention provides 1,3,4,9-tetrahydro-2H-pyrido[3,4-b]indole derivative compounds and uses thereof.

Abstract: Disclosed are a wire-guided automatic pay-off device and method. The wire-guided automatic pay-off device is installed on a horizontal directional drilling rig and comprises a conductive ring assembly, a brush assembly, a winding device, a guide device and a guide wire. The conductive ring assembly fixed to a main shaft of a carriage assembly rotates together with the main shaft, the brush assembly fixed to a body of the carriage assembly does not rotate with the main shaft, and a conductive end of the brush assembly is in contact with the conductive ring assembly. The guide wire wound on the winding device has one end connected to the conductive ring assembly and the other end passing through the guide device, penetrating into a central hole in a drill pipe from a rear end of the drill pipe.

Abstract: Embodiments of the present disclosure relate to the field of energy storage and provide an energy storage system, including: a main body and a plurality of battery modules. The main body includes an equipment compartment and a battery compartment arranged in a first direction. The equipment compartment is configured to accommodate at least one of a fire protection device, an electrical integrated cabinet, and a liquid cooling unit, and the battery compartment is configured to accommodate the plurality of battery modules. The plurality of battery modules are arranged in the battery compartment and arranged at intervals along the first direction, and each battery module of the plurality of battery modules extends along a second direction. The first direction refers to a length direction of the energy storage system, and the second direction refers to a width direction of the energy storage system.

Abstract: The present invention belongs to the field of medicinal chemistry, and relates to a pharmaceutical combination containing a capsid protein inhibitor or a pharmaceutically acceptable salt thereof and a reverse transcriptase inhibitor or a pharmaceutically acceptable prodrug thereof, or a pharmaceutically acceptable salt or a solvate thereof. Specifically, the present invention relates to a pharmaceutical combination of a capsid protein inhibitor or a pharmaceutically acceptable salt thereof and entecavir or tenofovir, or a pharmaceutically acceptable prodrug thereof, or a pharmaceutically acceptable salt or a solvate thereof, or the use thereof in the treatment of hepatitis B virus infection. The pharmaceutical combination has a good anti-hepatitis B virus infection effect.

Abstract: In a method for displaying screen wallpapers on electronic devices, a first electronic device displays a first live wallpaper on a screen of the first electronic device based on first wallpaper description information. The first electronic device sends second wallpaper description information to a second electronic device for the second electronic device to display a second live wallpaper on a screen of the second device based on the second wallpaper description information. The second wallpaper description is generated based on the first wallpaper description information. A first animation effect of the first live wallpaper displayed by the first electronic device is different from a second animation effect of the second live wallpaper displayed by the second electronic device.

Abstract: Embodiments of this application disclose a method for generating a device fingerprint and a relevant apparatus. The method includes: obtaining a plurality of device features of a target device; obtaining, based on the plurality of device features, a target device feature group of the target device by combining different device features of the target device; querying an inventoried device fingerprint library to retrieve candidate device features of at least one candidate inventoried device mapped to the target device feature group; identifying a device similarity, to obtain a similarity between the target device and the at least one candidate inventoried device; and in response to the similarity between the target device and the at least one candidate inventoried device being greater than a similarity threshold, using a device fingerprint of the at least one candidate inventoried device as a device fingerprint of the target device.

Abstract: The application discloses a device and method for preparing aromatic hydrocarbons from naphtha, and the device comprises a fluidized bed reactor and a riser reactor; the fluidized bed reactor is used for introducing a naphtha raw material to make contact with a catalyst from the riser reactor and react to generate a BTX-containing product gas stream and a spent catalyst, the product gas stream is subjected to gas-solid separation, the product gas stream after separation is sent to a downstream working section, and unconverted naphtha after separation returns to the fluidized bed reactor as a raw material; and a part of low-carbon alkanes after separation return to the riser reactor as raw materials and are further converted into aromatic hydrocarbons and other components.

Abstract: Provided are an electrical cabinet and an energy storage container, relating to the field of energy storage. The electrical cabinet is used for an energy storage system, and includes a cabinet body, a first mounting plate and a second mounting plate. The first mounting plate includes a first fixed end and a first rotating end. The first fixed end has one end fixed to the cabinet body and another end fixed to the first mounting plate. The first rotating end can rotate around the first fixed end by 90°, and the first mounting plate is configured to mount alternating current devices and direct current device. The second mounting plate is located below the first mounting plate and includes a second fixed end and a second rotating end. The second fixed end has one end fixed to the cabinet body and another end fixed to the second mounting plate.

Abstract: The present disclosure relates to the technical field of medical devices, and in particular to catheter implant systems and included associated device, prosthetic heart valves and method. The interventional delivery system included includes a catheter assembly and a control handle connected to the catheter assembly, the catheter assembly has opposing distal and proximal ends and includes an inner sheath and an outer sheath slidably engaged with each other, the outer sheath includes a loading section and a sheath section in sequence from the distal end to the proximal end, the loading section is configured to enclose and keep the interventional device in a compressed state; the control handle includes a main handle and an auxiliary handle slidably fitted over the inner sheath, the proximal end of the inner sheath is connected to the main handle and the proximal end of the outer sheath is connected to the auxiliary handle.

Abstract: In various embodiments immunogenic nanoparticles are provided that are capable of raising an immune response directed against SARS-CoV-2. In certain embodiments the immunogenic nanoparticles comprise mRNA multi-epitope vaccines that can be used in combination with or independent of other covid-19 vaccines (e.g., the spike protein mRNA vaccine(s)) to invoke a strong CD8+ or CD4+ T-cell as well as neutralizing antibody producing B-cell responses. In certain embodiments this vaccine is based on the rational combination of well-conserved T- and B-cell epitopes identified COVID-19 and viral variants.

Abstract: An electrochemical device includes a negative electrode plate and an electrolyte, where the negative electrode plate includes a negative electrode active material layer, and the negative electrode active material layer includes a silicon-based material; and the electrolyte includes a compound of formula (I), where in formula (I), X is selected from an oxygen atom or N—R8.

Abstract: A computer-implemented method causes data processing hardware to perform operations for training a firewall utilization model. The operations include receiving firewall utilization data for firewall connection requests during a utilization period. The firewall utilization data includes hit counts for each sub-rule associated with at least one firewall rule. The operations also include generating training data based on the firewall utilization data. The training data includes unused sub-rules corresponding to sub-rules having no hits during the utilization period and hit sub-rules corresponding to sub-rules having more than zero hits during the utilization period. The operations also include training a firewall utilization model on the training data. The operations further include, for each sub-rule associated with the at least one firewall rule, determining a corresponding sub-rule utilization probability indicating a likelihood the sub-rule will be used for a future connection request.

Abstract: In a communication method, a first AP obtains a first serial number based on a serial number of a first data unit, where the first data unit is a data unit that has been sent by the first AP to a terminal, and an AP that communicates with the terminal is switched from the first AP to a second AP. The first AP sends the first serial number. The second AP obtains a serial number of a second data unit based on the first serial number, where the second data unit is a data unit to be sent by the second AP to the terminal.

Abstract: A method and apparatus for removing particles of an ion beam etching system. The ion beam etching system includes: a first grid configured to connect a positive voltage generated by a first DC power supply; a second grid configured to connect a negative voltage generated by a second DC power supply; a third grid configured to connect a positive voltage generated by a third DC power supply; a neutralizer located above the third grid and configured to generate electrons; and an air extraction hole located below the third grid and connected to a molecular pump. The first grid and the second grid are configured to accelerate plasma in a reaction chamber, and the third grid is located on a side of the second grid away from the first grid.

Abstract: The present invention is directed to novel resistance modifying agents (RMAs) compounds configured to potentiate antibiotic compounds, such as polymyxin antibiotics, including colistin, directed to multi-drug resistance (MDR) gram-negative bacteria.

Abstract: A portable oscillator of positive expiratory pressure having capability for oscillating indication, the portable oscillator of positive expiratory pressure comprises a shell, an oscillation element and an indicator element; the shell has a pressurized cavity, the oscillation element has a valve to close the pressurized cavity, the indicator element is used to respond an oscillating state of the oscillation element and a static state of the oscillation element; wherein the shell and the oscillation element are respectively provided with a first magnetic element and a second magnetic element; when an expiratory airflow through the pressurized cavity drives the oscillation element to rotate, the valve will separate from the pressurized cavity to release the pressure, a distance between the first magnetic element and the second magnetic element is simultaneously shortened to quickly respond to a repulsive force which is generated between the same poles, and therefore the oscillation element can be returned to an

Abstract: The present invention is a rainfall prediction method, system, device and medium based on machine learning, which relates to the field of meteorological prediction technology. It uses atmospheric precipitable water volume (PWV) data, rainfall data and related meteorological parameters to input into a trained rainfall prediction network, and realizes accurate prediction of rainfall through an improved Transformer model. The model includes an encoder, a decoder and a final output layer, wherein feature extraction is performed inside the encoder through a multi-head probabilistic sparse self-attention module and a distillation module, and the encoder output containing feature information is used as the input of the decoder.

Abstract: Energy storage apparatus is provided, which includes box, battery pack, and battery rack. Battery pack is mounted in box. Along first direction, two sides of battery pack are provided with guide groove. Battery rack is configured to place battery pack and includes rack body and support member, two sides of rack body are connected to support members. Support member includes side plate and bottom plate fixedly connected to each other, bottom plate is configured to support battery pack, side plate is provided with guide portion, and when battery pack moves along second direction on bottom plate, guide portion extends into guide groove to limit movement of battery pack in first direction. Second direction is perpendicular to first direction. Two guide portions located on two sides of battery pack cooperate to ensure battery pack is always at centered position and battery pack is mounted and placed accurately, stably, and efficiently.

Abstract: In some implementations, there is provided a process for personalized learning. In some aspects, there is provided receiving, by a user equipment, a configuration for a machine learning model, the configuration comprising a plurality of weights determined by a server during a first phase training of the machine learning model; initiating, by the user equipment, a second phase of training of the machine learning model using local training data at the user equipment to personalize the machine learning model without updating the plurality of weights of the machine learning model, and triggering, by the user equipment, a third phase of training of the machine learning model using at least the local training data at the user equipment to update the plurality of weights of the machine learning model and to further personalize the machine learning model to the user of the user equipment.

Abstract: An electrochemical device includes a positive electrode plate, a negative electrode plate and an electrolyte, where the positive electrode plate includes a positive electrode active material layer, and the negative electrode plate includes a negative electrode active material layer. Observed along a thickness direction of the electrochemical device, in a width direction of the negative electrode plate, the negative electrode active material layer includes two protruding regions not overlapping with the positive electrode active material layer on two sides, and a width M mm of the protruding region is 0.5 mm to 2 mm. The electrolyte includes a polynitrile compound, and the polynitrile compound includes a compound represented by formula I-A. Based on a mass of the electrolyte, a mass percentage N % of the polynitrile compound is 0.01% to 8%. 0.01?M×N<10.