Abstract: According to an aspect, there is provided a method performed by a network function consumer, NFC. The method comprises sending (701) a request (401) to a network function producer, NFP, wherein the request (401) is for context information for a first wireless device, and wherein the request (401) comprises one or more filter values identifying a subset of context information for the first wireless device required by the NFC. The subset of context information for the first wireless device required by the NF consumer is related to specific Protocol Data Unit, PDU, sessions.

Abstract: A method for accessing blocks of a solid state drive is described. A starting position is received, where the starting position identifies a first block of a contiguous block region within a namespace of the solid state drive. The contiguous block region is to be accessed according to a single input/output operation and the namespace comprises two dimensions of logical address space with respective indices for indexing blocks within a corresponding dimension of the logical address space. A first dimensional identifier that identifies a size of the contiguous block region in a first dimension of the namespace is received. A second dimensional identifier that identifies a size of the contiguous block region in a second dimension of the namespace is received. Blocks of the contiguous block region are accessed in response to the single input/output operation according to the starting position, the first dimensional identifier, and the second dimensional identifier.

Abstract: A process for producing propylene involves dehydration of isopropanol. The dehydration process includes a step of subjecting a starting material containing isopropanol to a dehydration reaction in the presence of a dehydration catalyst comprising alumina to produce a product containing propylene. The starting material has a water content of 0.1 to 10.0 wt % (relative to 100 wt % of the total mass of the starting material), and the product has a total content of C2 unsaturated impurities and C3-C4 unsaturated impurities of 80 ppm or less (relative to 100 wt % of the total mass of the product).

Abstract: A fixture and a construction method suitable for installation and uninstallation of large steel structures are provided. The fixture has a limit adapter component used to support and fix steel structures, a spherical sliding device connected with the limit adapter component, a locking device provided with an arc-shaped groove, an inclined strut whose two ends are hinged with the locking device and the spherical sliding device respectively, a jacking mechanism installed at the bottom of the locking device, and a gasket adjustment unit located outside the jacking mechanism and abutted with the bottom of the locking device.

Abstract: An in-situ stress measurement device for ultra-deep non-vertical drilling adopts a technical route of single channel and bidirectional rolling of in-hole equipment, and its related functions are mainly realized by a bidirectional rolling device and a split-type axial-force-free circuit switching valve. The bidirectional rolling device can drive the in-hole equipment to move freely in a circumferential direction and back and forth, which changes sliding friction between the in-hole equipment and a hole wall into rolling friction during an in-situ stress measurement of non-vertical drilling. The split-type axial-force-free circuit switching valve provides a technical solution for a single-pipe test in the non-vertical drilling.

Abstract: A Lactiplantibacillus plantarum strain ZFM518 deposited under CCTCC NO: M 2022442 is provided. Also provided is a composition including the strain ZFM518. Further provided is a method of treating a subject infected by Klebsiella pneumoniae ZFM4 deposited under CCTCC NO: M 20221900, including administrating to the subject a composition comprising a therapeutically effective amount of a fermentation supernatant of the Lactiplantibacillus plantarum strain ZFM518.

Abstract: Disclosed are a display panel and a preparation method thereof. The display panel includes an array substrate and a plurality of pixel unit groups. Each of the pixel unit groups includes a first pixel unit and a second pixel unit. The first pixel unit includes a first light-emitting unit layer. The second pixel unit includes a second light-emitting unit layer and a third light-emitting unit layer, and the second light-emitting unit layer and the third light-emitting unit layer are sequentially stacked in a direction facing away from the array substrate.

Abstract: The invention relates to a traffic flow machine-learning modeling system and method applied to vehicles. The system includes: a target fusion module configured to perform target fusion on radar measurement data and camera measurement data, and output target attribute information; a lane line model module configured to output an original lane line model based on the camera measurement data; a target selection module configured to determine a position of a lane where each target is located based on the target attribute information output by the target fusion module and the original lane line model output by the lane line model module, and output the target; and a traffic flow calculation module configured to model the vehicle position by using a clustering algorithm based on the output of the target fusion module, the output of the target selection module, and the output of the lane line model module, and output a traffic flow-based lane line model.

Abstract: The present invention provides a method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, comprising the following steps: a) mixing acryloyl chloride, a first solvent, a polymerization inhibitor, a catalyst and potassium ferrocyanide, performing a substitution reaction, and performing distillation under reduced pressure to obtain an acryloyl cyanide intermediate; b) mixing the acryloyl cyanide intermediate obtained in step a) with hydrochloric acid and a polymerization inhibitor, performing a hydrolysis reaction, and then performing purification treatment to obtain crude 2-carbonyl-3-butenoic acid; c) mixing the crude 2-carbonyl-3-butenoic acid obtained in step b) with a second solvent and methyldichlorophosphine, and performing an addition reaction to obtain a solution containing diacyl chloride; d) mixing the solution containing diacyl chloride obtained in step c) with water, performing a hydrolysis reaction, and performing purification to obtain 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid.

Abstract: A method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, comprising the following steps: a) mixing 3-chloropropionyl chloride, a first solvent, trimethylsilyl cyanide and cyanide salt, performing a substitution reaction to obtain a material solution containing 4-chloro-2-oxobutyronitrile, then performing distillation under reduced pressure, and performing separation to obtain 4-chloro-2-oxobutyronitrile intermediate; b) subjecting the 4-chloro-2-oxobutyronitrile intermediate obtained in step a) and methyl phosphonite diester to Arbuzov reaction in a second solvent in the presence of cuprous iodide to obtain a material solution of (3-cyano-3-oxopropyl) methyl phosphinate, and performing purification to obtain crude (3-cyano-3-oxopropyl) methyl phosphinate; c) mixing the obtained crude (3-cyano-3-oxopropyl)methyl phosphinate with hydrochloric acid, performing hydrolysis reaction, and then performing purification treatment to obtain 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid.

Abstract: Provided is a method for preparing 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid, comprising the following steps: a) mixing methylphosphonite diester, carboxylic acid and acryloyl cyanide, performing addition reaction, and performing distillation under reduced pressure to obtain a material solution of (3-cyano-3-carbonylpropyl)methylphosphonate; b) mixing the material solution of (3-cyano-3-carbonylpropyl)methylphosphonate obtained in step a) with water uniformity, cooling to 10° C.-40° C., then adding hydrochloric acid dropwise for acidification, and after the dropwise addition being completed, continuing stirring for 0.1 h-1 h, then performing hydrolysis reaction, and finally performing purification treatment to obtain 4-(hydroxymethylphosphinyl)-2-oxobutanoic acid. In the provided preparation method, cyanation reaction is not required, which avoids the use of cyclic phosphonic anhydride that is high in cost and difficult to obtain and the highly toxic sodium cyanide.

Abstract: Provided are a display substrate and a display device. In the display substrate, the first separation structure includes a first separation part and a second separation part which are stacked, the second separation structure includes a third separation part and a fourth separation part which are stacked, the second separation part has a first protruding part, the first protruding part protrudes relative to the first separation part, and at least one sub-functional layer of the light-emitting functional layer is disconnected at the first protruding part; the fourth separation part has a second protruding part, the second protruding part protrudes relative to the third separation part, and at least one sub-functional layer of the light-emitting functional layer is disconnected at the second protruding part; the first separation structure surrounds the light-emitting region; and the second separation structure is ring-shaped so as to surround the hole region.

Abstract: A solar photovoltaic module comprises a generator body and a support body, and can be repaired in place after installation on a roof by removing and replacing the solar panel laminate from the generator body of the solar module. The support body of the solar module comprises an elongated rail defining an upper tabletop onto which a fastener may be affixed and a lower tabletop to receive the generator body. The solar panel laminate of the generator body is retained by a frame comprising a horizontal front frame element having a hook to engage a support body of another solar module.

Abstract: Embodiments of the present disclosure disclose a method and apparatus for a scenario of editing multimedia resources, a device and a storage medium. The method includes: in response to an editing instruction triggered for a target editing template, displaying an import page of a material segment to be edited corresponding to the target editing template, wherein a setting entry for the material segment to be edited and a prompt entry for the material segment to be edited are presented on the import page; in response to a trigger for the prompt entry, displaying an original material segment corresponding to the material segment to be edited; in response to a trigger operation for the setting entry, determining the material segment to be edited; and editing the material segment to be edited into a target multimedia resource in a target editing mode indicated by the target editing template.

Abstract: The invention relates to a method for lane-changing prediction of a target vehicle, the method including: receiving a velocity and a position of the target vehicle; respectively obtaining, based on the velocity and the position of the target vehicle, a first lane-changing probability and a second lane-changing probability of the target vehicle by using a first machine learning model and a second machine learning model; and determining a possibility of lane changing of the target vehicle based on the first lane-changing probability and the second lane-changing probability, the first machine learning model and the second machine learning model being pre-trained and being different from each other. The invention further relates to a device for lane-changing prediction of a target vehicle, a computer storage medium, and a vehicle.

Abstract: Present disclosure provides a test method and system for a seismic isolation structure, the method comprising: loading driving displacement time history signal into a substructure of the structure, recording restoring force time history feedback signal of the substructure; applying restoring force time history feedback signal to numerical substructure of seismic isolation structure, solving dynamic response of numerical substructure, recording structural displacement response time of the numerical substructure; calculating root-mean-square error (RMSE) of driving displacement time history signal and structural displacement response time signal; judging whether the RMSE is less than a threshold; if the RMSE is less than the threshold, ending the experiment; if the RMSE is not less than the threshold: correcting the time history signals according to a model identification algorithm, obtaining a corrected driving displacement time history signal of the next iteration, loading the corrected driving displacement t

Abstract: A display panel, including an active area and a peripheral area, which is located outside of the active area, wherein the active area comprises a base substrate, and a display structure layer and a touch structure layer sequentially arranged on the base substrate; the peripheral area includes an isolation dam, a first ground trace and a second ground trace arranged on the base substrate; and the first ground trace is located at a side of the isolation dam close to the active area, and the second ground trace is located at a side of the isolation dam away from the active area.

Abstract: The present application provides a display panel and a display device, including a first planarization layer, a second planarization layer, a first pixel definition layer, a second pixel definition layer, a first support column, a second support column, a first dam structure, and a second dam structure. The first dam structure is located in the first dam area, including a first planarization layer, a second planarization layer, a first pixel definition layer and a first support column. The second dam structure is located in the second dam area, including a second planarization layer, the second pixel definition layer and the second support column.

Abstract: An inner and outer tank connection device for a cryogenic storage tank includes a suspension belt; a first connection assembly for connecting the outer tank, wherein the first connection assembly includes a first connection seat and a first connection member, and the first connection seat is configured for connecting the outer tank and the first connection seat is provided with a first limiting seat, the first connection member is rotatably connected to one end of the suspension belt, and the first connection member is provided with a first limiting portion, and the first limiting portion fits with the first limiting seat to limit the first connection member from twisting on the first connection seat with the suspension belt as a rotation axis; and a second connection assembly for connecting the inner tank, wherein the second connection assembly is rotatably connected to another end of the suspension belt.

Abstract: The present disclosure relates to the field of artificial honeycombs, in particular to an artificial nest for solitary bees and an application method of the artificial nest. The artificial nest comprises a main enclosure tube, hanging rings, a plurality of trapping hollow tubes and tightening mechanisms used for clamping the trapping hollow tubes. The hanging rings are arranged at an outer sidewall of the main enclosure tube. The tightening mechanisms are annularly arranged at an inner sidewall of the main enclosure tube, and the trapping hollow tubes are fixed in a ring of each tightening mechanism in an axis direction of the main enclosure tube. Each tightening mechanism comprises a connecting steel wire and fastening springs. The sidewall of the main enclosure tube is provided with fixing holes for fixing the tightening mechanisms.