Abstract: A rapidly constructed three-dimensional model of a microbial film exposed at an air-liquid interface and a preparation method thereof, as well as a hydrogel bead containing microorganisms immobilized at an air-liquid interface in an exposed state and a preparation method thereof. The model includes a hydrogel material containing gradually releasable nutrients, as a core scaffold; a hydrogel film attached to a surface of core and wrapping microorganisms, as a biofilm-like film; and an antimicrobial polyelectrolyte layer between the biofilm-like film structure and the core structure which allows substances in the core to be released into the biofilm-like film structure while preventing the microorganisms on the film from migrating to the core material, ensuring uniform distribution of the microorganisms on the surface of the core and maintaining the microorganisms continuously exposed at the air-liquid interface.

Abstract: An exposure device for exposing microorganisms to gaseous pollutants and a corresponding in-situ multi-toxicity endpoint detection system are provided. The detection system based on the exposure device disclosed in the present application may perform controlled accumulation of pollutants in air, and implements in-situ, comprehensive, quick, and low-cost assessment of toxicity effects of pollutants in air of a target site. The exposure device and the detection system disclosed in the present application can effectively avoid toxicity distortion caused by complex collection and transfer process, complex chemical reactions in a liquid elution process in conventional toxicity detection methods for gaseous pollutants.

Abstract: A skin manufacturing post-treatment device for an automobile collision dummy device includes a post-treatment mechanism, where the post-treatment mechanism includes a rotary operation table that is provided with a cutting station, a grinding station, a skin patching station and a removal station in a circumferential direction; the cutting station is configured to cut an injection molding residual material on a surface of a dummy skin, and the grinding station is configured to grind a cut position to form a frustum-shaped patching recess; and the skin patching station is configured to fill the patching recess with a welding skin patching material, and the removal station is configured to clean a skin patching position.

Abstract: The invention provides a preparation method of a nickel-based wrought superalloy wheel disk forging used at high temperature, in which the alloy has high content of solution strengthening elements W, Mo and strengthening phase ?? phase forming elements Al, Ti, Nb and ?? phase content reaches 55-65%. In view of a series of technical problems caused by high ?? phase to alloy smelting and forging, the high-temperature stress relief annealing, low-temperature stress relief annealing process of steel ingot and high temperature homogenizing annealing of steel bar were proposed by optimizing the thermal process of wheel disk forging and controlling the precipitation and dissolution of ?? phase.

Abstract: An intelligent production line for turning tool bit cavities and an application method are provided, which solve the problem that a production line in the prior art has low working efficiency. The intelligent production line has the beneficial effects of a compact arrangement structure, higher safety and improved working efficiency. The intelligent production line for turning tool bit cavities includes a robot. Material tables and at least one machining center are arranged around the robot. A transfer station used for transferring materials is arranged between the machining center and the robot. A protective fence is arranged between a position above the material tables and the robot, and between the transfer station and the robot. The robot is provided with a mechanical arm including a base plate. The base plate is provided with at least one clamping jaw and fixed with a laser detecting unit for detecting the materials.

Abstract: An online system receives information describing an order placed by a user of the online system and a set of contextual features associated with servicing the order. The online system also retrieves a set of user features associated with the user. The online system accesses a machine learning model trained to predict a tip amount the user is likely to provide for servicing the order and applies the machine learning model to a set of inputs, in which the set of inputs includes the information describing the order, the set of user features, and the set of contextual features. The online system then determines a suggested tip amount for servicing the order based on the predicted tip amount.

Abstract: Disclosed in the present invention is a control method for water supply during loosening and conditioning based on a neural network model and a dual parameter correction. The method comprises: establishing a neural network-based model for predicting the amount of water supplied during loosening and conditioning; predicting and distributing the total water supplied; and correcting the model based on material balance calculation and deviation. In the present application, when there is a large deviation in outlet moisture, the dual correction control system combining the material balance calculation and the moisture deviation is used for correction to improve the stability and precise control of the outlet moisture during the loosening and conditioning process.

Abstract: A code review is automatically generated by a large language model given a prompt that includes code changes made to a source code program, an associated intent, and an extended context. The intent represents an issue with the code changes from a code reviewer's perspective and is predicted from a neural classifier given the code changes in a code diff format. The neural classifier is a neural encoder transformer model pre-trained on various code review datasets and fine-tuned on code diff hunks of code changes labeled with an intent.

Abstract: A terminal cover to cover a terminal to which an electric wire is to be connected, the terminal cover includes: an outer frame having an outer frame notch; and an inner frame provided within the outer frame notch in the outer frame, the inner frame having an inner frame notch smaller than the outer frame notch. Further, the outer frame and the inner frame are formed thinner than a peripheral portion and are connected to each other with cutoff portions that are bendable, twistable, or cuttable with a cutting tool, and the terminal is viewed through the inner frame notch.

Abstract: A method and device for storing information in a molecule. The method comprises: obtaining initial information to be stored, and representing the initial information using a first address code and a first content code (S100); recoding each first address code respectively, to represent one respective first address code using first recoding information with a first preset bit number and a first preset base (S210); determining respective molecular modules according to the first content code and the first recoding information (S310), and combining the determined molecular modules in order, such that a composition corresponds to the initial information (S400).

Abstract: An online system receives information describing an order placed by a user of the online system and a set of contextual features associated with servicing the order. The online system also retrieves a set of user features associated with the user. The online system accesses a machine learning model trained to predict a tip amount the user is likely to provide for servicing the order and applies the machine learning model to a set of inputs, in which the set of inputs includes the information describing the order, the set of user features, and the set of contextual features. The online system then determines a suggested tip amount for servicing the order based on the predicted tip amount.

Abstract: Aspects of the present disclosure provide techniques, including devices and systems implementing the techniques, for audio signal processing in a device. In some aspects, the audio signal processing may involve providing source separation based speech enhancement in a device. One example technique for providing source separation based speech enhancement generally includes receiving, at the device, an input audio signal, extracting a speech component from the input audio signal, modifying the speech component to generate a modified speech component, and mixing the modified speech component with at least a portion of the input audio signal to generate a synchronized playback audio signal. Providing source separation based speech enhancement may allow for a user consuming the playback audio to be able to fully enjoy any speech component in the playback audio without excessive and undesirable interference from other portions of the playback audio (e.g.

Abstract: A vector search method includes: obtaining a to-be-queried vector; searching an index library for a first index corresponding to the to-be-queried vector, where the index library includes a plurality of indexes, each index corresponds to one first cluster, the first cluster includes a plurality of second clusters, each index records a first cluster center vector and a plurality of second cluster center vectors, feature vectors corresponding to the first cluster are clustered using the first cluster center vector, and feature vectors corresponding to each second cluster are clustered using each second cluster center vector; searching the first index for a second cluster center vector corresponding to the to-be-queried vector; finding a second cluster corresponding to the second cluster center vector based on the second cluster center vector; and searching a plurality of feature vectors included in the second cluster for a target feature vector related to the to-be-queried vector.

Abstract: Provided is a compound of formula I or II, a stereoisomer, a tautomer, a geometrical isomer, a solvate, an active metabolite, a hydrate, a prodrug or a pharmaceutically acceptable salt thereof, a pharmaceutical composition thereof, and the medical uses thereof in treating diseases benefiting from the capsid protein assembly inhibitor, particularly diseases caused by hepatitis B virus infection.

Abstract: The disclosure provides a security analysis method and system based on protocol state, which relates to the technical field of protocol security protection. The method includes the following: a node traversal table is built, the node traversal table is scanned and analyzed according to the protocol trigger sequence rule, a first security evaluation factor of a protocol stack is determined, and a second security evaluation factor of each protocol is determined based on protocol normal application rule, and the trustworthiness degree of the second security factor is determined based on the first security factor, and the second security factor is revised based on the trustworthiness degree, and the security state of the protocol is determined according to the revised second security factor, thus the analysis of the protocol state is realized, and the security of the protocol can be accurately determined.

Abstract: The present invention provides a novel groove cutter with chip breaker, including: a cutter body; a cutter head arranged at the end part of the cutter body, a cutting edge being arranged at a bordering position of the cutter head; and a chip breaker arranged on the cutter head, wherein the chip breaker comprises a breaker bottom and a breaker wall, the breaker bottom being connected to the cutting edge, the breaker wall being arranged on one side of the breaker bottom away from the cutting edge, the breaker bottom being non-coplanar with the breaker wall, an intersecting line of the breaker bottom and the breaker wall including multiple connecting sections, and one curved transition section being arranged between two adjacent connecting sections. By means of the technical solutions provided in the present application, the problem that breaking chips in a groove machining process is difficult in the prior art can be solved.

Abstract: Aspects of the present disclosure provide techniques, including devices and system implementing the techniques, to provide feedback to a user of an event when the user is wearing a wearable device. For example, the wearable device may provide high quality noise canceling audio playback to the user, lowering the user's situation awareness. The techniques include measuring ambient sound using two or more microphones on the wearable device. The measured ambient sound is used to determine a related event worth relaying to the user. Based on the location attribute and sound properties, the nature and/or classification of the event may be ascertained using pattern recognition algorithms according to user threshold settings. Insignificant events that the user prefers to ignore will be ruled out by the algorithm. Upon determining the event that merits the user's attention, the wearable device provides feedback to the user indicating the nature and location of the event.

Abstract: The present disclosure provides a virtual viewpoint synthesis method, including: pre-processing a depth image with zero parallax corresponding to an original image to obtain a processed depth image; generating virtual viewpoint images corresponding to a plurality of virtual viewpoints respectively according to the processed depth image and the original image; and filling holes in the virtual viewpoint image to generate a plurality of filled virtual viewpoint images. The present disclosure further provides an electronic apparatus and a computer-readable medium.

Abstract: An Artificial Intelligence (AI) driven pull request summarization system utilizes a large language model to classify the code changes of a pull request and to generate a summary of the changes contained in the pull request. The large language model predicts the pull request classification and summarization given a prompt that includes the top-k code changes in the pull request of a repository. The code changes are prioritized based on the most impact that a code change has on the files, methods and classes in the repository. Each of the top-k code changes is linked to a related open issue of the repository, if any. A suggested code reviewer for a code change is then selected from an author or commentator associated with the linked open issue.

Abstract: The disclosure provides a security analysis method and system based on protocol state, which relates to the technical field of protocol security protection. The method includes the following: a node traversal table is built, the node traversal table is scanned and analyzed according to the protocol trigger sequence rule, a first security evaluation factor of a protocol stack is determined, and a second security evaluation factor of each protocol is determined based on protocol normal application rule, and the trustworthiness degree of the second security factor is determined based on the first security factor, and the second security factor is revised based on the trustworthiness degree, and the security state of the protocol is determined according to the revised second security factor, thus the analysis of the protocol state is realized, and the security of the protocol can be accurately determined.