Abstract: In a method for designing a high-rigidity blade based on stochastic isogeometric analysis, the models of stochastic fields of the material property and the external load of the blade are established based on manufacturing conditions and service environment of the blade; an optimization model of the blade is established according to high-rigidity design requirements of the blade and a constraint condition of lift-drag ratio, which is then solved. In the solution procedure, a stochastic isogeometric analysis method is used to calculate the stochastic displacement of the blade under the influence of the randomness of the material property and the external load, and the maximum lift-drag ratio of the blade airfoil is also calculated, based on which the fitness values of individuals in the current population are calculated, so that the high-rigidity design of the blade is realized in the premise of ensuring the lift-drag ratio.

Abstract: The present application provides a method for detecting a broken fanout wire of a display substrate, and a display substrate, and belongs to the field of display technology. In the method for detecting a broken fanout wire, the display substrate includes a base substrate having first and second surfaces opposite to each other, and a plurality of connection structures disposed at intervals on the first surface; and each connection structure includes first and second pads and a fanout wire electrically connecting the first pad to the second pad. The method for detecting a broken fanout wire includes: forming at least one detection unit, which includes: connecting at least two connection structures in series through a connecting part; and measuring a head and an end of the detection unit to obtain resistance of the detection unit, and determining whether there is a broken fanout wire in the detection unit.

Abstract: Provided is a fusion protein dimer using an antibody Fc region as the backbone, comprising a first and a second polypeptide chain. The first polypeptide chain comprises a first antibody Fc region and one or more single-domain antibodies fused to the first antibody Fc region. The second polypeptide chain comprises a second antibody Fc region and one or more single domain antibodies fused to the second antibody Fc region. The first polypeptide chain and/or the second polypeptide chain further comprise a cytokine fused to the Fc region of the respective antibody. Further provided is use of the fusion protein dimer in preparing an immunotherapeutic drug for treating tumors. The Fc fusion protein heterodimer not only increases the activity of a single domain antibody, but also significantly improves the biological activity of a cytokine.

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: Methods and structures of a three-dimensional memory device are disclosed. In an example, the disclosed method comprises forming a plurality of dielectric stacks stacked on one another over a substrate to create a multiple-stack staircase structure. Each one of the plurality of dielectric stacks comprises a plurality of dielectric pairs arranged along a direction perpendicular to a top surface of the substrate. The method further comprises forming a filling structure that surrounds the multiple-stack staircase structure, forming a semiconductor channel extending through the multiple-staircase structure, wherein the semiconductor channel comprises unaligned sidewall surfaces, and forming a supporting pillar extending through at least one of the multiple-staircase structure and the filling structure, wherein the supporting pillar comprises aligned sidewall surfaces.

Abstract: A dynamic facial expression recognition (FER) method based on a Dempster-Shafer (DS) theory improves a feature extraction effect of an expression video through multi-feature fusion, and deeply learns an imbalanced dynamic expression feature by using the DS theory, multi-branch convolution, and an attention mechanism. Compared with other methods, the dynamic FER method scientifically and effectively reduces an impact of sample imbalance on expression recognition, fully utilizes a spatio-temporal feature to mine potential semantic information of the video expression to perform expression classification, thereby improving reliability and accuracy and meeting a demand for the expression recognition.

Abstract: A live flaw detection system for a multi-bundled conductor splicing sleeve and an application method thereof are disclosed. The system includes an upper apparatus and a lower apparatus, where the upper apparatus includes an unmanned aerial vehicle and an industrial X-ray machine, and a laser sensor, and the lower apparatus includes a press plate frame apparatus, vertical screw slide table modules, a horizontal screw slide table module, a projection imager, and a linear retractable apparatus. The unmanned aerial vehicle functions as a power apparatus that controls the system to be online or offline, the industrial X-ray machine is configured to perform ray flaw detection on each splicing sleeve, the laser sensor is configured to guide the unmanned aerial vehicle to land the lower apparatus on splicing sleeves accurately, and the press plate frame apparatus is configured to fixedly clamp the splicing sleeves.

Abstract: A semiconductor structure includes a substrate including a base and a plurality of fins discretely formed over the base. Each fin is made of a material including a first atom and contains openings therein. The semiconductor structure also includes a source-drain doped layer located in each opening and including a seed layer on a surface of an inner wall of the opening and a body layer on a surface of the seed layer. A material of the seed layer includes the first atom, a second atom, and a third atom. A material of the body layer includes the first atom and the second atom.

Abstract: A hydrogel for cell-laden bioprinting, bioink, and a preparation method and an application thereof, relates to the technical field of biomedical polymer hydrogels. The hydrogel for cell-laden bioprinting is polymer gel formed by adding a cell-specific material into a matrix of alginate and gelatin and crosslinking and curing, wherein the cell-specific material is polypeptide selected according to different laden cells. The structures printed using the hydrogel may have the advantages such as adjustable mechanical properties, adjustable porosity, high biocompatibility, high printing accuracy, and high customizability, which may widely support the printing of human tissues and organs such as spinal cord, cartilage, and heart, and has good prospects for applications in tissue repair, organ transplantation and so on.

Abstract: A method for processing a plurality of queries is provided according to embodiments of the present disclosure. In this method, based on a plurality of queries and an execution plan for the plurality of quires, a plurality of record identification (ID) numbers can be stored into a pool in a numerical order. Each of the plurality of record ID numbers can identify a data record in a database. Then, the execution plan can be performed to batch a plurality of data records corresponding to the plurality of record ID numbers in the database based on a distribution of the plurality of record ID numbers in the pool.

Abstract: Embodiments of a channel hole plug structure of 3D memory devices and fabricating methods thereof are disclosed. The memory device includes an alternating layer stack disposed on a substrate, an insulating layer disposed on the alternating dielectric stack, a channel hole extending vertically through the alternating dielectric stack and the insulating layer, a channel structure including a channel layer in the channel hole, and a channel hole plug in the insulating layer and above the channel structure. The channel hole plug is electrically connected with the channel layer. A projection of the channel hole plug in a lateral plane covers a projection of the channel hole in the lateral plane.

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may establish one or more wireless connections for different subscriptions with a base station. The UE may receive an indication of a temporary mobile subscription identifier (TMSI) from the base station during a registration procedure. The UE may calculate a paging occasion (PO) based on the TMSI and may determine the PO fails to satisfy a threshold timing value. The UE may transmit one or more registration request to trigger additional registration procedures in which base station may transmit a new TMSI. The UE may calculate an updated PO based on the new TMSI. The UE may periodically receive one or more paging messages from the base station in a set of POs based on calculating the updated PO.

Abstract: A control display method includes: starting a first APP, and determining a first control of the first APP based on a first display parameter of the first APP; displaying a first display interface of the first APP, and displaying the first control in a first floating window on the first display interface; determining, based on a second display parameter of the first APP, a third control corresponding to the first APP; and displaying the third control in a second floating window on the first display interface of the first APP.

Abstract: Techniques for performing centralized unsuperivised learning in a multi-domain system are described. A user may request labeled data for an ML task, where the request includes a prompt for obtaining relevant explicit user feedback. The system may use the prompt to collect explicit user feedback for relevant runtime user inputs. After a duration of time (in the user's request for labeled data) has elapsed, the system determines whether collected user feedback indicates processing of the user input was defective and, if so, determines a cause of the defective processing. The system then uses one or more label generators to generate labeled data using the collected user feedback, whether the processing was defective, and the determined defect cause.

Abstract: A reliability-based topology optimization design method for a part structure considering bounded hybrid uncertainties, includes the following steps: considering the uncertainties in the manufacture and service of the part structure, describing an external load with insufficient samples and a material property with sufficient samples as an interval variable and a bounded probabilistic variable respectively; discretizing a design domain of the part structure, setting the physical and geometric constraints, and establishing a reliability-based topology optimization design model; solving by a moving asymptote algorithm: decoupling the probabilistic and interval uncertainties, and determining the worst working condition by using gradients of constraint performance functions; defining a performance fluctuation under the worst working condition and calculating reliability of constraint performance; and finally, calculating the gradients of objective and constraint functions with respect to the design variables for i

Abstract: An alumina-based ceramic tool material with low thermal expansion and a preparation process thereof, accordingly, the ceramic tool material may have both the high hardness of alumina ceramics after the hot pressing sintering, and reduces the thermal expansion coefficient of the overall ceramic material by adding the Sc2W3O12 as the negative thermal expansion phase, which improves the thermal shock resistance of ceramic tools in high-speed cutting engineering and meets the requirements of large temperature range during the machining of nickel-based superalloys. Moreover, the composite material does not use metal binder and has strong thermal stability even in the high-speed machining under extreme heat-force-chemistry coupling, so it has a high machining compatibility for nickel-based superalloys.

Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: Some embodiments of the disclosure disclose a space assembly system based on fusion of on-orbit additive manufacturing and ground-based launch. In some examples, an operator establishes a space manufacturing center to achieve on-orbit manufacturing of spacecraft structural components and assembles the components manufactured on orbit with spacecraft enabling modules launched from the ground to form a target spacecraft. The system includes a physical subsystem, a digital twin subsystem, and a communication subsystem. The physical subsystem includes a control unit, a communication unit, a sensor unit, an imaging and positioning device, a data storage unit, a data processing unit, an additive manufacturing unit, a space robot unit, and a raw material bin. The digital twin subsystem remotely monitors the physical subsystem. The communication subsystem establishes a connection between the physical subsystem and the digital twin subsystem and a connection between all units and devices of the physical subsystem.

Abstract: The present invention discloses a microcrystalline glass, a microcrystalline glass product, and a manufacturing method therefor. The main crystal phase of the microcrystalline glass comprises lithium silicate and a quartz crystal phase. The haze of the microcrystalline glass of the thickness of 0.55 mm is below 0.6%. The microcrystalline glass comprises the following components in percentage by weight: SiO2: 65-85%; Al2O3: 1-15%; Li2O: 5-15%; ZrO2: 0.1-10%; P2O5: 0.1-10%; K2O: 0-10%; MgO: 0-10%; ZnO: 0-10%. A four-point bending strength of the microcrystalline glass product is more than 600 Mpa.

Abstract: A topology and material collaborative robust optimization design method for a composite material support structure.