Abstract: A method for predicting an evolution law of a rock mechanical stratum of a fractured reservoir is provided. A three-dimensional heterogeneous model of mechanical parameters of an intact rock is built by means of a core experiment, logging calculation and seismic inversion; a three-dimensional discrete fracture network geomechanical model is built by means of field observation; effects of fracture parameters on magnitudes and anisotropy of mechanical parameters of a fractured rock mass are analyzed by means of numerical simulation; and a paleo-stress field, and a fracture density and occurrence at different periods are simulated in successive cycles in combination with a relation between the fracture parameters of a reservoir and rock mechanical parameters as well as a stress field, and a migration law of the rock mechanical stratum under the control of a tectonic factor is interpreted.

Abstract: Described herein are compounds having the following structure: or a stereoisomer, pharmaceutically acceptable salt, oxide, or solvate thereof. Also disclosed are compositions containing the compounds, methods of inhibiting activity of DYRK1A in a cell, methods of increasing cell proliferation in a population of pancreatic beta cells, methods of treating a subject for a condition associated with insufficient insulin secretion, and methods of treating a subject for a neurological disorder.

Abstract: The present disclosure provides a pixel driving circuit and a display panel. The pixel drive circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit and a storage sub-circuit, the data writing sub-circuit includes a fourth transistor, which includes a first electrode connected with a data line, a second electrode connected with a first terminal of the driving sub-circuit, and a control electrode connected with a first scan signal line, and the fourth transistor is an oxide thin film transistor; the threshold compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit in response to a second scan signal; the storage sub-circuit is configured to store a data voltage signal; the driving sub-circuit is configured to provide a driving current for a light emitting device to be driven according to voltages of the first terminal and a control terminal thereof.

Abstract: A method for preparing a shell-bionic ceramic tool and a shell-bionic ceramic tool, wherein the shell-bionic ceramic tool includes alternating stacks of ceramic powders with different components, pressing a ceramic green body using a cold briquetting method, carrying out pre-pressing once using a graphite indenter on a working surface thereof after each layer of the ceramic powder being loaded, and pressing a last layer using a graphite rod, and then pressing a whole ceramic green body with a certain pressure to promote a bonding of the layers of ceramic powder, which in turn gives a complex shape to an interface between the layers, increases a bonding area between the layers, and plays the role of hindering crack expansion, extending the crack expansion path, and improving the bonding strength of the interface; after then, hot-pressed sintering is used to densify the ceramic green body to obtain the shell-bionic ceramic tool.

Abstract: A method includes depositing a dielectric cap over a gate structure. A source/drain contact is formed over a source/drain region adjacent to the gate structure. A top of the dielectric cap is oxidized. After oxidizing the top of the dielectric cap, an etch stop layer is deposited over the dielectric cap and an interlayer dielectric (ILD) layer over the etch stop layer. The ILD layer and the etch stop layer are etched to form a via opening extending though the ILD layer and the etch stop layer. A source/drain via is filled in the via opening.

Abstract: The present disclosure discloses a sighting device with a quick-release accessory, includes a sighting module housing and an accessory housing. The sighting module housing wherein a first connector is arranged on one side of the sighting module housing, and a first electrical connection portion is arranged on one side of the first connector facing away from the sighting module housing; and an accessory housing, wherein a second connector is arranged on one side of the accessory housing; the second connector is detachably connected to the first connector, so that the accessory housing is connected to the sighting module housing; a second electrical connection portion is arranged on one side of the second connector facing away from the accessory housing; and the second electrical connection portion is electrically connected to the first electrical connection portion.

Abstract: Various embodiments of the teachings herein include a method for deploying power quality monitoring (PQM) devices. The method may include: determining a maximum number of PQM devices and historical power data of candidate deployment points, wherein the number of the candidate deployment points is greater than the maximum number of the PQM devices; clustering the historical power data of the candidate deployment points, wherein a target number of categories is determined on the basis of a silhouette coefficient of each candidate number of categories and the maximum number of the PQM devices; and determining PQM device deployment points based on the center of each category in the target number of categories.

Abstract: Disclosed is a pyridazinone compound represented by Formula (I), or a pharmaceutically acceptable salt, prodrug, hydrate, solvate, polymorph, stereoisomer, or isotopic variant thereof. The compound can be used for preparation of medicinal products for treatment and/or prophylaxis of a disease or condition associated with thyroid hormone abnormalities. The compound has higher selectivity to TH?, better pharmacokinetic parameters, desired stability, and higher agonistic activity toward TH?.

Abstract: A puller includes a first claw and a second claw arranged opposite to each other. The first claw includes a first pulling part, a first limiting part and a first connecting part. The first limiting part includes a first body part, a first notch part and a second notch part. The second claw includes a second pulling part, a second limiting part and a second connecting part. The second limiting part includes a second body part, a third notch part and a fourth notch part. A size of the second pulling part is smaller than or equal to a size of the second notch part.

Abstract: Embodiments of the present application provide a case of a battery, a battery, a power consumption device, and a method and device for preparing a battery. The case includes: an electrical chamber configured to accommodate a plurality of battery cells and a bus component, where at least one battery cell of the plurality of battery cells includes a pressure relief mechanism; a thermal management component configured to accommodate a fluid to adjust temperatures of the plurality of battery cells; and a collection chamber configured to collect, when the pressure relief mechanism is actuated, emissions from the battery cell provided with the pressure relief mechanism; where the thermal management component is configured to isolate the electrical chamber from the collection chamber. According to the technical solutions of the embodiments of the present application, the safety of the battery can be enhanced.

Abstract: A cooling system performance early warning method based on dictionary learning is disclosed. A sensor and an oil pump frequency converter are arranged on a cooler of the cooling system to measure operation data of the cooling system. A PLC controller is installed on the cooler to collect the measured operation data and connected with a cloud server, and the cloud server first performs offline dictionary learning on the data, so as to establish a performance cads warning model for each group of coolers respectively. After the offline dictionary learning stage is completed, an online early warning stage is entered, and the established performance early warning model is used to carry out a real-time performance early warning of the cooling system. The early warning method can use the established performance early warning model to carry out real-time performance early warning, which has the advantages of real-time, realizability and strong pertinence.

Abstract: Consolidated, porous core layers that are lightweight while retaining the mechanical properties of heavier core layers are described. The consolidated, porous core layer can include a porous web formed from reinforcing materials held in place by a thermoplastic material. The consolidated, porous core layer can also include a lofting agent or other additives to provide for a desired thickness or properties.

Abstract: Embodiments of this application provide an electronic device display method and an electronic device. The electronic device includes a foldable body, an outer screen, and an inner screen, and the method includes: when the foldable body is in a folded state, detecting whether a protective cover approaches the outer screen and reaches a preset position with respect to the outer screen; if the protective cover reaches the preset position with respect to the outer screen, when the preset condition is met, determining whether the foldable body is switched to a non-folded state; and if the foldable body is switched to the non-folded state, controlling the electronic device to be in a screen non-locked state. That the preset condition is met includes at least being within a preset time after the protective cover reaches the preset position.

Abstract: The present invention relates to the technical field of mine fire prevention and extinguishing, in particular to a liquid nitrogen direct injection and low-temperature foaming intelligent filling system based on mine fire area characteristics and an application method, comprising a liquid nitrogen storage tank, a liquid nitrogen direct injection system and a low-temperature foaming system, wherein the liquid nitrogen storage tank communicates with a liquid nitrogen pressurizing device through a main pipeline; a temperature control unit is arranged on the main pipeline; and the liquid nitrogen pressurizing device is connected with the liquid nitrogen direct injection system and the low-temperature foaming system, respectively, liquid nitrogen is directly injected into a foam liquid, to prepare a low-temperature foam type fire preventing and extinguishing material by means of forced convection, membrane boiling, explosion boiling and nucleate boiling between the liquid nitrogen and water.

Abstract: Embodiments of this application provide an authentication method and apparatus, and a storage system. The method includes: receiving a service request sent by a host, where the service request includes a first account, and the first account is an account complying with a first protocol; determining a second account corresponding to the first account, where the second account is an account complying with a target protocol; and authenticating the second account. An account complying with a non-target protocol is mapped to an account complying with the target protocol for unified user permission authentication.

Abstract: A client device may transmit a data stream including an object (such as a data file or record) to a storage system for storing the object in a storage device. In response to receiving the data stream, the storage system may store or write data of the object into a plurality of logical blocks of the storage device with an end-to-end data protection based at least in part on a comparison of a combination of check codes of a header of the object, the object and padding data with a combination of a plurality of check codes that are generated separately for metadata associated with the object and corresponding parts of the object stored in the plurality of logical blocks. The storage system may further provide an end-to-end data protection for reading data of an object stored in multiple logical blocks of a storage device.

Abstract: A positioning method and apparatus are provided, and a related device, and pertains to the field of communications technologies. The method includes: receiving, by a terminal, first positioning assistance data, where the first positioning assistance data is used to indicate configuration information for an on-demand PRS; and/or sending, by the terminal, positioning assistance data request information, where the positioning assistance data request information is used to indicate related request information for an on-demand PRS.

Abstract: A method of forming a semiconductor structure is provided, and includes trimming a first substrate to form a recess on a sidewall of the first substrate. A conductive structure is formed in the first substrate. The method includes bonding the first substrate to a carrier. The method includes thinning down the first substrate. The method also includes forming a dielectric material in the recess and over a top surface of the thinned first substrate. The method further includes performing a planarization process to remove the dielectric material and expose the conductive structure over the top surface. In addition, the method includes removing the carrier from the first substrate.

Abstract: The invention provides 3D-knitted spacer fabrics of high breathability and moisture management and methods of making the 3D-knitted spacer fabrics. The middle layer of the fabric is made of hydrophilic material, comprising two yarns, a blended thermo-fuse wicking yarn comprising hydrophilic fiber and thermo-fuse fiber, and a non-supportive hydrophilic functional wicking yarn. The top layer of the fabric comprises a hydrophilic yarn, and the third layer of the fabric comprises a hydrophobic yarn. The 3D-knitted spacer fabrics are useful in clothing and equipment for wear in high temperature environments.

Abstract: The application provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes a display region and a binding region located at a periphery of the display region. The binding region is provided with a drive circuit pin and a flexible circuit board pin, and a connecting trace for connecting the drive circuit pin and the flexible circuit board pin. The connecting trace includes a first connecting line and a second connecting line connected in parallel, the first connecting line and the second connecting line are in different layers, the first connecting line is between an interlayer insulating layer and a base substrate of the display substrate, the first connecting line and the interlayer insulating layer are separated by a first insulating layer, and the second connecting line is on a side of the interlayer insulating layer away from the base substrate.