Abstract: Disclosed is a chat initiating method, comprising: determining a first user account that accesses a shared document; obtaining a first identifier of a chat group inserted into the shared document; displaying, according to a state of whether the first user account has joint into the chat group, a group chat control corresponding to the state in the shared document, wherein the group chat control is used for joining the chat group or for displaying an interface of the chat group; and sending, in response to an operation on the group chat control, a corresponding group chat request.

Abstract: A method for characterizing complexity of rock fracture based on fractal dimension and a device thereof are provided. The method includes steps of: collecting rock fracture samples of a rock, and collecting basic parameters of the rock; determining a fractal dimension of a rock fracture morphology of the rock; calculating the fractal dimension of the rock; calculating a complexity coefficient Fc of rock fracture of the rock; and characterizing a complexity of rock fracture of the rock based on the complexity coefficient Fc of rock fracture of the rock. In the present invention, combined with the fractal geometry theory, fracture complexity coefficient of shale rocks is redefined and calculated to accurately characterize rock fracture morphology, so that characteristics of rock fracture morphology is correctly understood and affecting factors of fracture morphology is analyzed.

Abstract: The present disclosure provides a diffusive gradients in thin films (DGT) probe test device for a sediment core in a lake, including: a sampling tube, where, a settlement limit device is disposed on an outer wall of the sampling tube and a DGT probe and a multi-parameter water-quality detection electrode are installed within the sampling tube; a movable mudguard device comprising a connecting rod and a mudguard, where, the connecting rod rotates around a rotating shaft to drive the mudguard to move from a position where an opening at the lower end of the sampling tube is sealed to a side of the sampling tube; a position-limit mechanism removably installed outside the sampling tube; a hammering device located above the sampling tube and fixedly connected to the sampling tube; and a floating ball located above the hammering device and connected to the hammering device via a first pull rope.

Abstract: A radio frequency (RF) transistor amplifier package includes a submount, and first and second leads extending from a first side of the submount. The first and second leads are configured to provide RF signal connections to one or more transistor dies on a surface of the submount. At least one rivet is attached to the surface of the submount between the first and second leads on the first side. One or more corners of the first side of the submount may be free of rivets. Related devices and associated RF leads and non-RF leads are also discussed.

Abstract: A monitoring method and device for a magnetic resonance imaging system comprises: acquiring a whole body specific absorption rate of a subject under examination; acquiring a ratio between a local region specific absorption rate and the whole body specific absorption rate of the subject under examination on the basis of current parameter information of a local coupling coil in the magnetic resonance imaging system; and calculating the local region specific absorption rate of the subject under examination on the basis of the ratio between the local region specific absorption rate and the whole body specific absorption rate, and the whole body specific absorption rate.

Abstract: An electrochromic aperture, which comprises a first transparent substrate (11), a first transparent conductive layer (12), an ion storage layer (13), an ion transfer layer (14), an electrochromic layer (15), a second transparent conductive layer (16), and a second transparent substrate (17). The ion transfer layer (14) is a solid electrolyte layer. Also provided is a method for manufacturing the electrochromic aperture, relating to an etching operation after coating on the ion storage layer (13) and the electrochromic layer (15) is finished. Also provided is a lens modules having the electrochromic aperture.

Abstract: This application provides an electronic device, to reduce a probability that a screen stalling phenomenon. A timing control unit sends one first pulse of a tearing effect signal every a first preset time T1. The timing control unit sends S second pulses of the tearing effect signal when a transceiver unit does not receive an Nth frame of display data within a preset time. The processing unit receives the Nth frame of display data in the (N+1)th frame, and controls, based on the Nth frame of display data, the display to display an Nth frame of image.

Abstract: A manufacturing method is provided. The method includes steps below. Forming bottom electrodes. Blanketly forming a resistance switching layer on the bottom electrodes. Forming a first insulating material layer on the resistance switching layer. Patterning the first insulating material layer to form insulating patterns. Conformally forming a channel layer having a plurality of channel regions on the resistance switching layer and the insulating patterns, wherein the plurality of channel regions are located on the resistance switching layer and cover opposite sides of the insulating patterns. Forming a second electrode material layer on the channel layer. Patterning the second electrode material layer to form top electrodes, each of the top electrodes is located in corresponding to one of the insulating patterns and covers at least two of the plurality of channel regions.

Abstract: The present invention discloses a Fe—Al-based metal porous membrane and a preparation method thereof, which relate to the technical field of industrial gas-solid and liquid-solid separation and purification, and mainly address problems in the prior art, such as cracking-prone and peeling of a membrane layer of an existing Fe—Al-based metal porous membrane during its preparation and use. The preparation method of the present invention comprises the steps of: adding a Fe—Al-based metal powder and a metal fiber powder into an organic-additive-added water-based solvent, and mixing them into a slurry; tape casting the slurry, through a tape casting machine, to form a membrane green body on a metal substrate layer, and letting it dry; and placing the dried membrane green body in a sintering furnace, to remove organic substances and perform high-temperature sintering and predetermined-temperature reaction synthesis.

Abstract: The electrochromic device includes a first transparent substrate, a first transparent conductive layer, an ion storage layer, an ion transfer layer, an electrochromic layer, a second transparent conductive layer, and a second transparent substrate which are sequentially stacked, where the first transparent conductive layer includes at least two first conductive portions, the second transparent conductive layer includes at least two second conductive portions, and an extension direction of the at least two first conductive portions and an extension direction of the at least two second conductive portions are configured to intersect with each other.

Abstract: The present invention discloses a Fe—Al-based metal porous membrane and a preparation method thereof, which relate to the technical field of industrial gas-solid and liquid-solid separation and purification, and mainly address problems in the prior art, such as cracking-prone and peeling of a membrane layer of an existing Fe—Al-based metal porous membrane during its preparation and use. The preparation method of the present invention comprises the steps of: adding a Fe—Al-based metal powder and a metal fiber powder into an organic-additive-added water-based solvent, and mixing them into a slurry; casting the slurry, through a casting machine, to form a membrane green body on a metal substrate layer, and letting it dry; and placing the dried membrane green body in a sintering furnace, to remove organic substances and perform high-temperature sintering and predetermined-temperature reaction synthesis.

Abstract: Provided in the present invention are a magnetic resonance imaging system and method, and a computer-readable storage medium. The method comprises: performing a medical scan of a subject and acquiring a first medical image having a first noise interference artifact, and performing an additional scan of the subject to acquire a second medical image, wherein the second medical image has a second noise interference artifact, and the location mapping of the second noise interference artifact in the first medical image is symmetrical to the location of the first noise interference artifact relative to a pixel center of the first medical image; and performing synthesis-related processing on the first medical image and the second medical image to acquire a post-processed image with reduced noise interference artifacts.

Abstract: A method of estimating employee turnover rates obtains original employee data from a preset data source. First data processing is applied to the original employee data to obtain first processed employee data. A training set and a first verification set are selected from the first processed employee data. The training set is used to train a machine learning model to obtain a turnover estimation model. The first verification set is used to verify the turnover estimation model to obtain a first estimation result. The turnover estimation model is optimized according to the first estimation result to obtain an optimized turnover estimation model. Updated employee data and a corresponding employee turnover rate of a second time period are obtained. The method helps to replenish manpower in time and avoids over-recruitment.

Abstract: Systems and methods are disclosed herein that relate to Time Sensitive Communication (TSC) to Fifth Generation (5G) Quality of Service (QoS) mapping and associated QoS binding. In one embodiment, a method for QoS mapping in a 5G System (5GS) for a virtual Time Sensitive Networking (TSN) bridge comprises, at a first network function, obtaining information from a TSN Application Function (AF) comprising baseline TSC QoS parameters and one or more additional parameters comprising either or both of: (a) one or more additional TSC QoS attributes and (b) one or more additional traffic attributes. The method further comprises, at the first network function, generating one or more Policy and Charging Control (PCC) rules based on the obtained information and providing the one or more PCC rules to a second network function. The method further comprises, at the second network function, performing QoS binding based on the one or more PCC rules.

Abstract: Techniques for optimizing a remote call are provided. For example, a method includes obtaining a command for calling a remote dedicated processing resource and determining whether the command satisfies an optimization condition based on a type of the command. The method further comprises in response to determining that the command satisfies the optimization condition, ceasing to transmit the command to the remote dedicated processing resource. Accordingly, in the case that the remote dedicated processing resource needs to be called, the number of remote call commands transmitted to the remote dedicated processing resource can be reduced by optimizing the remote call commands, thereby improving the execution efficiency effectively.

Abstract: An integrated microfluidic chip and a single-cell culture, screening, and export method applying the same are disclosed; the chip includes a base, an inlet flow channel, an outlet flow channel, a plurality of common flow channels and a plurality of functional units, wherein two ends of the common flow channel are connected to the inlet flow channel and the outlet flow channel, respectively, wherein each of the functional units includes a single-cell introduction port, a cell culturing-screening chamber, a cell export chamber, a cell export port, and a drive element, wherein the drive element is used to provide power to liquid to introduce single cells entering the common flow channels into the cell culturing-screening chamber, and after culturing and screening, to export target cell population in the cell culturing-screening chamber through the cell export port.

Abstract: Embodiments of the present invention provide a method for identifying a body position of a detection object in medical imaging, a medical imaging system, and a computer-readable storage medium. The method comprises: receiving an image group by a trained deep learning network, the image group comprising a plurality of pre-scan images in a plurality of directions obtained by pre-scanning a detection object; and outputting body position information of the detection object by the deep learning network.

Abstract: Systems and methods for Quality of Service (QoS) mapping based on latency and throughput are provided. A method performed by a first node for mapping Time-Sensitive Networking (TSN) streams includes: receiving traffic class specific information for one or more TSN streams; and determining a set of one or more 5G QoS flows to support the traffic class. This provides solutions where 5QI table entries configured by a 5GS can result in underproviding or overproviding the payload capacity made available to support the traffic class. If less payload space is provided, then TSN stream payload corresponding to the traffic class will be lost. If more space is provided, then radio interface resources will be used inefficiently. As such, the solutions identified herein allow for more efficient use of radio interface resources associated with a 5G QoS flow used to support a set of TSN streams corresponding to a TSN traffic class.

Abstract: Provided is a resetting method of a resistive random access memory (RRAM) including the following steps. A first resetting operation and a first verifying operation on the at least one resistive memory cell are performed. Whether to perform a second resetting operation according to a verifying result of the first verifying operation is determined. A second verifying operation is performed after the second resetting operation is determined to be performed and is finished. To determine whether to perform a healing resetting operation according to a verifying result of the second verifying operation, which comprises: performing the healing resetting operation when a verifying current of the second verifying operation is greater than a predetermined current, wherein a resetting voltage of the healing resetting operation is greater than a resetting voltage of the second resetting operation.

Abstract: Methods are disclosed to restore the halide ions lost in the purification (ligand removal) of photoluminescent cesium lead halide or FA lead halide perovskite quantum dots. Quantum dots thus prepared can be used to deposit solid films with high packing density featuring dots with <0.4 nm gaps therebetween, low trap density 1/40 of previously reported, high mobility 100× previously reported, high photoluminescent quantum yield exceeding 90%, high external quantum yield exceeding 20%, and increased stability under electrical current. The quantum dots are used to formulate inks suitable for ink jet printing, drop casting, spin coating, and other solution-based methods for forming emissive layers used in light producing semiconductor devices.