Abstract: Provided is a carbon dioxide fluidity control device comprising, a sample preparation tank, a high-pressure stirring unit, a reciprocating plunger pump and a booster pump, wherein the stirring unit comprises one or more high-pressure stirring tanks, each provided with an atomizing spray probe and a piston, wherein a discharge port of the sample preparation tank is connected to the atomizing spray probe via a plunger pump, which is connected to the piston to push the piston to reciprocate; the booster pump is connected to the high-pressure stirring tanks to provide supercritical carbon dioxide to the high-pressure stirring tank; and a discharge port of the high-pressure stirring tanks is connected to an oilfield well group. Provided is a carbon dioxide fluidity control method using the device, comprising mixing surfactants and nanoparticles with heated carbon dioxide, and injecting a microemulsion of supercritical carbon dioxide and nano-silicon dioxide into an oilfield well group.

Abstract: A method for distributing an equity reward for federated learning based on an equity theory includes the following steps: applying Adams' equity theory to federated learning, analyzing, by a participant, all factors invested in a federated task comprehensively, then giving an expected reward for this task, calculating, by the task publisher, the reputation of the participant; participating, by the participant, in each round of a training task using a local data to evaluate data contribution, model contribution, and a waiting-time allowance of the participant, then combining contribution results of the three factors to evaluate the contribution of the participant; after a global model converges, dynamically adjusting weights of the three factors according to an objective function of the equity reward, with a goal that an actual reward of the participant is as close as possible to the expected reward, and obtaining and distributing the actual reward of the participant.

Abstract: The described implementations enable a seller to sell items through multiple e-commerce channels without having to maintain independent merchant accounts at each channel. For example, a seller may sell items directly and through a management service. When a user request to purchase an item from the seller through the management service is received, the management service sends the purchase information to the seller so that the seller can complete the purchase as if the purchase were being made directly with the seller. Upon completion of the purchase, the seller provides a confirmation back to the management service and provides the item directly to the user.

Abstract: A pixel circuit and a driving method thereof, and a display device are provided. The pixel circuit includes a driving sub-circuit, a data writing sub-circuit, a first light-emitting control sub-circuit, a second light-emitting control sub-circuit, a compensation sub-circuit, and a first reset sub-circuit, and is configured to generate a driving current to control a light-emitting element to emit light, the first reset sub-circuit comprises a first transistor, the compensation sub-circuit comprises a second transistor, the first transistor and the second transistor are both polysilicon oxide thin film transistors, and an active layer type of the first transistor and an active layer type of the second transistor are different from an active layer type of a transistor comprised in at least one selected from a group consisting of the driving sub-circuit, the data writing sub-circuit, the first light-emitting control sub-circuit, and the second light-emitting control sub-circuit.

Abstract: A method and apparatus for forming tungsten features in semiconductor devices is provided. The method includes exposing a top opening of a feature formed in a substrate to a physical vapor deposition (PVD) process to deposit a tungsten liner layer within the feature. The PVD process is performed in a first processing region of a first processing chamber and the tungsten liner layer forms an overhang portion, which partially obstructs the top opening of the feature. The substrate is transferred from the first processing region of the first processing chamber to a second processing region of a second processing chamber without breaking vacuum. The overhang portion is exposed to nitrogen-containing radicals in the second processing region to inhibit subsequent growth of tungsten along the overhang portion. The feature is exposed to a tungsten-containing precursor gas to form a tungsten fill layer over the tungsten liner layer within the feature.

Abstract: Provided are a content search method, apparatus, and device, and a storage medium. The present disclosure enables: receiving a search content; and displaying a plurality of answer viewpoints and first contents in a search result interface, wherein each answer viewpoint corresponds to one category of search results, the search results are results obtained by searching the search content, the first contents comprises keywords, the keywords are used for indicating reasons for displaying a target answer viewpoint among the plurality of answer viewpoints, and the keywords are extracted from a target category of search results corresponding to the target answer viewpoint.

Abstract: This application provides a task migration system and method. The system includes a first terminal and a second terminal. The second terminal runs a first application. The first terminal opens a recent task interface after receiving a user operation, where the recent task interface includes an identifier of the second terminal; after receiving a user operation performed on the identifier of the second terminal, displays, in the recent task interface, at least one task card corresponding to an application run by the second terminal in the background; and after receiving a user operation performed on a first task card corresponding to the first application, runs the first application, and displays a first user interface of the first application.

Abstract: One or more aspects of the present disclosure provide methods for discharging spent batteries. The methods may include coating anode electrodes and cathode electrodes of the spent batteries with at least one catalyst layer. The catalyst layer may facilitate consistent and rapid discharge of the spent batteries. The spent batteries may be processed using an electrolyte solution to discharge the spent batteries. The electrolyte solution may include one or more suitable electrolytes that do not cause electrode corrosion during the discharge of the spent batteries. For example, the electrolytes may include a mixture of Na3PO4, water, co-solvent (e.g., ethylene glycol), and at least one surfactant, such as polyoxymethylene glycol octylphenol ethers, dioctyl sodium sulfosuccinate, perfluorooctanesulfonate, etc.

Abstract: The present application provides a method of preparing lithium-friendly colloid paint. The method comprises functionalizing a carbon nanotube material to obtain a plurality of carbon nanotubes with functional groups; dispersing the of carbon nanotube material with functional groups in a solution containing nitrogen molecules to from the dispersion liquid to obtain a carbon nanotube precursor; heat-treating the carbon nanotube precursors to obtain a plurality of nitrogen-doped carbon nanotubes; dispersing the plurality of nitrogen-doped carbon nanotubes in an organic solvent, and adding a dispersant obtain a nitrogen-doped carbon nanotube solution precursor; and providing a polymer material colloid and a lithium salt, and uniformly mixing the nitrogen-doped carbon nanotube solution precursor, the lithium salt and the polymer material colloid.

Abstract: Disclosed are a method and an apparatus for path optimization, a robot and a storage medium. The method includes: acquiring an initial path of a robot, and iteratively optimizing the initial path until a preset iteration termination condition is met to obtain obstacle avoidance path of the robot: acquiring an iteration path corresponding to a current iteration process, determining a smoothness cost and a smoothness optimal gradient; determining a robot's footprint contour corresponding to the iteration path point, and searching for a first nearest obstacle distance; determining an obstacle cost corresponding to the iteration path and an obstacle optimal gradient corresponding to the iteration path point based on the first nearest obstacle distance; adjusting the iteration path point to acquire an iteration path corresponding to a next iteration process; inputting the smoothness cost and the obstacle cost to a preset objective function.

Abstract: The present disclosure provides a composition comprising a compound of formula (I) or a physiologically acceptable salt thereof, in which the compound of formula (I) or a physiologically acceptable salt thereof has a HPLC purity of ?90%; wherein R1, R2, X and n are as defined herein. The present disclosure further provides use of the composition according to the present disclosure for preparing and/or purifying a composition comprising a salt of the compound of formula (I), and a method for treating a disease caused by a Coronavirus which comprises administering the composition of the present disclosure to a subject. The composition of the present disclosure comprises the compound of formula (I) with high purity, and has good fluidity and anti-caking property; moreover, the claimed composition comprising the compound of formula (I)) with high purity is more suitable for preparing a composition comprising a salt of the compound of formula (I) with higher purity.

Abstract: A photosensitive assembly includes a circuit board. The circuit board has a first surface, a second surface opposite to the first surface, and a first through hole extending through the first surface and the second surface. A photosensitive chip is disposed on the second surface. The photosensitive chip has a photosensitive area and a non-photosensitive area connected to the photosensitive area, the non-photosensitive area is electrically connected to one side of the second surface, and the photosensitive area is exposed from the first through hole. A reinforcing plate is disposed on the first surface. A thermal conductive layer is disposed on the photosensitive chip, and the thermal conductive layer includes a silica gel or a metal.

Abstract: A continuous operation method is employed for the microwave high-temperature pyrolysis of a solid material containing an organic matter. The method includes the steps of mixing a solid material containing an organic matter with a liquid organic medium; transferring the obtained mixture to a microwave field; and in the microwave field, continuously contacting the mixture with a strong wave absorption material in an inert atmosphere or in vacuum. The strong wave absorption material continuously generates a high temperature under a microwave such that the solid material containing an organic matter and the liquid organic medium are continuously pyrolyzed to implement a continuous operation.

Abstract: A display panel and a fabricating method thereof, and a displaying device. The display panel includes a substrate, a resistance reducing trace, an inter-layer-medium layer and a signal line. The substrate is divided into a plurality of sub-pixel regions and a pixel separating region. The resistance reducing trace is provided on the pixel separating region of the substrate. The inter-layer-medium layer is provided on the substrate, and the inter-layer-medium layer has an opening exposing the resistance reducing trace. The signal line is provided within the opening, the signal line is connected to the resistance reducing trace, the signal line is distributed in a column direction along the display panel, and in a row direction along the display panel, a width of the opening is greater than or equal to a width of the signal line.

Abstract: A pixel circuit, a method of driving the same, and a display device are provided. An input end of an anode reset transistor is connected to an output end of a driving transistor, and an output end of the anode reset transistor is connected to an anode of an organic light emitting diode to collect a leakage current from the anode of the organic light emitting diode through the anode reset transistor to the output end of the driving transistor in an light emitting state. Part of the collected current at the output end of the driving transistor enters the anode of the organic light emitting diode.

Abstract: Disclosed is a circulating kneading pulping system, including a pulping machine and a kneading tank; the pulping machine is provided with a powder feed port, a pulping chamber connected to the powder feeding port, and a slurry outlet communicated with the pulping chamber, and the screw rod of the pulping machine is provided in the pulping chamber; the slurry outlet of the pulping machine is connected with the kneading inlet of the kneading tank through a first pipeline, and the kneading tank is equipped with a liquid solvent inlet, and the kneading outlet of the kneading tank is connected with the circulation pulping inlet of the pulping machine through a second pipeline.

Abstract: For the problem of difficult roof anchor withdrawal at the end of a working face, a static crushing directional anchor withdrawal method at the end of a large-mining-height working face is provided. The method includes the following steps: designing key parameters of boreholes for static crushing, including a borehole position, a spacing between boreholes, a borehole depth, and a borehole diameter at the end of a working face; then determining parameters of a static crushing agent grouting technology device for the construction of a static crushing process; and carrying out an anchor withdrawal operation at the end.

Abstract: Disclosed is a multifunctional kneading-type slurry producing machine, which includes a base frame and a screw. The base frame is provided with a kneading tube and a dispersing cavity. The kneading tube is provided with a kneading cavity, a powder inlet, a slurry inlet, and a slurry outlet, and the powder inlet, the slurry inlet and the slurry outlet are all communicated with the kneading cavity. The screw is threaded through the kneading cavity and pivotally connected to the base frame. The dispersing cavity is provided with a dispersing zone inlet and a dispersing zone outlet, and is configured to accommodate a dispersing stator and a dispersing rotor interacting with the dispersing stator. A shank portion of the screw is threaded through and drivingly connected to the dispersing rotor.

Abstract: A device and method for preparing a fully granular cigarette/filter rod, and a prepared fully granular cigarette/filter rod are disclosed. In certain embodiments, negative pressure is used to adhere granular material onto a mesh-type conveyor belt. The granular material is preliminarily formed into fully granular cigarette/filter rod material by means of a pre-forming apparatus; the fully granular cigarette/filter rod material, traveling with the mesh-type conveyor belt, enters into a forming cavity, and undergoes heating and humidifying treatment, and a continuous solid porous substance is formed; the continuous solid porous substance is moved into the cooling/drying cavity, drying and cooling treatment are performed under the action of negative pressure, and a fully granular cigarette/filter rod with strong adhesion, porosity, permeability, and appropriate moisture is obtained.

Abstract: A pose tracking method, a pose tracking device and an electronic device. The method comprises: acquiring continuous multiple images of a scanned object and an initial pose of an image capturing unit (S10); by taking the initial pose as an initial value, acquiring, on the basis of a previous frame image and a current frame image in the continuous multiple-frame images, a first calculated pose of the current frame image by using a first algorithm (S12); by taking the first calculated pose as an initial value, acquiring, on the basis of the current frame image and a current frame image reconstruction model, a second calculated pose of the current frame image by using a second algorithm (S14); and updating the initial pose of the image capturing unit according to the second calculated pose, and repeating the described steps to achieve pose tracking of the image capturing unit (S16).