Abstract: A method of updating map data, an electronic device, and a storage medium, which relate to a field of computer technology, and in particular to intelligent transportation technology. The method of updating map data includes: acquiring a traffic event text, where the traffic event text includes location data and reference direction data; determining candidate road data in the map data based on the location data; determining target road data from the candidate road data based on the reference direction data; updating the target road data based on the traffic event text.

Abstract: Virtual account use in an online marketplace is described. Listings published to a multitude of client devices by the online marketplace include a first listing for a first item and a second listing for a second item. The first item is listed by a first user account and the second item is listed by a second user account. In connection with a third user account purchasing the first item, the online marketplace provides a first monetary compensation to the first user account from the third user account by updating a balance of a virtual account of the first user account to include the first monetary compensation. In connection with the first user account purchasing the second item via the second listing, the online marketplace provides at least a portion of the balance to the second user account directly from the virtual account as second monetary compensation.

Abstract: A performance test bench device for a centrifugal compressor under a variable working condition of an engine is composed of: a turbine back disk temperature simulator and the centrifugal compressor being coaxially arranged, and being sequentially connected with a speed regulator and a driver. Meanwhile, a thermocouple array is arranged on a surface of a simulator back plate. A temperature measurement probe is arranged at an inlet and an outlet of the centrifugal compressor, and a thermocouple array is also arranged on a surface of a cover plate of the centrifugal compressor and a surface of a rotating blade. An airflow passes through the inlet pipeline, the flow meter and the air inlet rectification system, is pressurized by the centrifugal compressor, and is then discharged by the outlet pipeline.

Abstract: A cylinder gas recirculation system device of an internal combustion engine based on pressure differential driving is provided, the overall device includes a recirculation intake and exhaust system and a gas storage system. An intake control valve on a cylinder block, a surge tank, and an exhaust control valve on the cylinder block are sequentially connected to form a gas recirculation subsystem of the cylinder block of the internal combustion engine. Two adjacent subsystems are in communication through an intake pipe. Positions of intake and exhaust pipelines may be anywhere between the top and bottom dead centers of a piston in a cylinder, and intake and exhaust valves of the gas recirculation may share the same valve. Different valves may also be used, and the intake and exhaust pipelines of the gas recirculation are arranged on the same side of the cylinder in double layers.

Abstract: A heat dissipation apparatus is provided. The heat dissipation apparatus includes a thermally conductive housing. The heat dissipation apparatus is connectable to a chip so that the chip is arrangeable on a chip placement region of the thermally conductive housing. A capillary structure is disposed on the thermally conductive housing and a working medium is placed in the capillary structure. The capillary structure includes a first capillary structure and a second capillary structure that are connected, and a maximum thickness of the first capillary structure is less than a minimum thickness of the second capillary structure.

Abstract: Disclosed are two system devices for stratified injecting the recirculated exhaust gas and high-specific-heat-capacity or inert gas for clean combustion of an internal combustion engine. The former is composed of an exhaust gas recirculation system, an injection system, and a power system. The latter is composed of four parts, and a high-specific-heat-capacity gas or inert gas channel is added. Injectors can be arranged at any position in the cylinder between a top dead center and a bottom dead center of a piston in a cylinder; 1-3 layers of injectors can be arranged; and 2-6 injectors can be arranged on each layer. Gas participating in combustion enters the cylinder from two intake channels, namely, a scavenging port of the internal combustion engine and the injectors; an in-cylinder swirl ratio can be remarkably increased through kinetic energy carried by the gas; and fuel-gas mixing is promoted, and the combustion rate is increased.

Abstract: Disclosed are a Lactobacillus rhamnosus strain having accession number CCTCC NO: M 2021185, a ferment lysate prepared thereby for regulating skin microecology, and a preparation method for the ferment lysate. The ferment lysate comprises the following components in mass percentages of same in the ferment lysate: 0.2-1% of proteins, 0.3-0.8% of polysaccharides, and 0.2-1% of amino acids. The ferment lysate obtained by using the above bacterial strain for fermentation can strongly inhibit the reproduction and growth of pathogenic bacteria, has a promotion effect on some of probiotics, has a strong inhibition effect on pathogenic hyphae of Candida albicans, can not only generate antimicrobial peptides during fermentation, but also increase the expression level of antimicrobial peptides in skin cells at the genetic level and the protein level, thereby improving skin immunity.

Abstract: The present invention relates to chimeric and fusion proteins and their compositions, and the use of such proteins and compositions in the prevention and/or treatment diseases or conditions requiring plasminogen supplementation. In one aspect, the invention provides a chimeric or fusion protein comprising plasminogen and an Fc region of an antibody.

Abstract: A heparin skeleton synthase originates from Neisseria animaloris, with an amino acid sequence as shown in SEQ ID NO.2 and a nucleotide sequence of the coding gene as shown in SEQ ID NO.1. Its recombinant expression level is 6.8 times that of the existing heparin skeleton synthase KfiA from Escherichia coli K5, and total enzyme activity per fermentation liquor is 5.22 times that of the heparin skeleton synthase KfiA. The heparin skeleton synthase mutants obtained through site-directed mutagenesis of the sites No. 16, No. 25, No. 30, No. 111, No. 165, and No. 172 in the amino acid sequence of the said heparin skeleton synthase all have high expression levels.

Abstract: Provided are methods of treating cancer comprising administering to a patient in need thereof a poly (ADP-ribose) polymerase (PARP) inhibitor and a salt-induced kinase 2 (SIK2) inhibitor. Also provided are methods for increasing the duration of remission for cancer, and for enhancing the sensitivity of PARP inhibitors for cancer.

Abstract: Provided are a lane line recognition method, an electronic device and a storage medium, relating to a technical field of artificial intelligence, in particular to technical fields of intelligent transportation, automatic driving and deep learning. The lane line recognition method includes: extracting a basic feature of an original image; recognizing at least one lane line node in the original image by using the basic feature of the original image; extracting a local feature from the basic feature of the original image by using the at least one lane line node; fusing the basic feature and the local feature; and recognizing a lane line in the original image based on a fused result.

Abstract: An electronic device including a substrate, a first electrode layer, a photodiode, an insulating layer, a second electrode layer, and a first transparent conductive layer is provided. The first electrode layer is disposed on the substrate. The photodiode is disposed on the first electrode layer and is electrically connected to the first electrode layer. The insulating layer is disposed on the photodiode. The second electrode layer is disposed on the insulating layer and is electrically connected to the photodiode. The first transparent conductive layer is disposed on the insulating layer and contacts the second electrode layer. A manufacturing method of an electronic device is also provided.

Abstract: The present application discloses a map data updating method, an apparatus, a device and a readable storage medium. The specific implementation solution is: after receiving road information reported by an electronic device, a server obtains multiple sequences according to the road information, and each road information belonging to the same sequence has the same type and location. After that, the server inputs each road information contained in the sequences to a pre-trained neural network model, so that the neural network model outputs a recognition result according to the sequences. The server updates map data according to the recognition result. With such solution, valid road information is recognized by combining context of each road information in the sequences and the neural network technology, and the map data is updated, which achieves the purpose of accurately updating the map data.

Abstract: The present application provides a use of a hyaluronic acid or a salt thereof and/or trehalose in stabilizing ergothioneine, an additive for stabilizing ergothioneine, the additive containing the hyaluronic acid or the salt thereof and/or trehalose, and a composition, the composition containing ergothioneine, the hyaluronic acid or the salt thereof, and trehalose. Compared with other auxiliary materials, the hyaluronic acid or the salt thereof and trehalose provided by the present invention can obviously mitigate the damage of a high temperature to ergothioneine, thereby increasing the yield of an ergothioneine powder product. The composition obtained by the present invention has good antioxidant and anti-apoptotic effects.

Abstract: A hydroponic cultivation system includes a plurality of hydroponic cultivation units vertically stacked one over another, each configured to provide a cultivation bed for the plants and including: a tank with an integrated structure; separation bars on a bed of the tank; a planting board; a plurality of removable dispensers, and a plurality of removable dam members. Every two neighboring hydroponic cultivation units are hydrologically coupled to one another such that the culture solution flows top-to-bottom through each of the plurality of hydroponic cultivation units on each level. The removable dam members and the separation bars are configured to facilitate flexible control of depths and passageways of a culture solution flowing in the tank, thereby allowing for convenient switching between a deep cultivation mode and a shallow cultivation mode to support different growth stages of plants being cultivated in the tank of the hydroponic cultivation unit.

Abstract: A method of updating a road information, an electronic device, and a storage medium, which relate to an artificial intelligence technology field, in particular to fields of computer vision, deep learning, big data, high-definition map, intelligent transportation, automatic driving and autonomous parking, cloud service, Internet of Vehicles and intelligent cabin technologies. The method includes: processing image data corresponding to a target road region to obtain a set of first road lines; obtaining a set of second road lines according to a trajectory map corresponding to the target road region; calibrating the set of first road lines by using the set of second road lines to obtain a set of third road lines; combining the set of third road lines and a set of historical road lines corresponding to the target road region to obtain a combination result; and updating the set of historical road lines according to the combination result.

Abstract: A method for processing a map, an electronic device, and a storage medium, which relate to a technical field of computer technology, in particular to computer vision technology and high-definition map technology. The method includes: segmenting a first road line to obtain a plurality of first sub-road lines, wherein the first road line is obtained according to a segmentation mask for an image, and the image corresponds to a target region; segmenting a second road line to obtain a plurality of second sub-road lines, wherein the second road line is obtained according to a trajectory information corresponding to the target region; and determining a target road line according to first similarities between the plurality of first sub-road lines and the plurality of second sub-road lines.

Abstract: Disclosed are two system devices for stratified injecting the recirculated exhaust gas and high-specific-heat-capacity or inert gas for clean combustion of an internal combustion engine. The former is composed of an exhaust gas recirculation system, an injection system, and a power system. The latter is composed of four parts, and a high-specific-heat-capacity gas or inert gas channel is added. Injectors can be arranged at any position in the cylinder between a top dead center and a bottom dead center of a piston in a cylinder; 1-3 layers of injectors can be arranged; and 2-6 injectors can be arranged on each layer. Gas participating in combustion enters the cylinder from two intake channels, namely, a scavenging port of the internal combustion engine and the injectors; an in-cylinder swirl ratio can be remarkably increased through kinetic energy carried by the gas; and fuel-gas mixing is promoted, and the combustion rate is increased.

Abstract: A method of updating map data, an electronic device, and a storage medium, which relate to a field of computer technology, and in particular to intelligent transportation technology. The method of updating map data includes: acquiring a traffic event text, where the traffic event text includes location data and reference direction data; determining candidate road data in the map data based on the location data; determining target road data from the candidate road data based on the reference direction data; updating the target road data based on the traffic event text.

Abstract: Provided are a high-precision map construction method, an electronic device, and a storage medium, relating to the field of high-precision map technology and, in particular, to autonomous driving technology. The implementation solution includes: calculating a pose of a camera at each position point according to a pre-acquired video; calculating an absolute depth of each keypoint in the pre-acquired video according to the pose of the camera at each position point; constructing, according to the absolute depth of each keypoint in the video, a corresponding three-dimensional point cloud of each pixel point in the pre-acquired video; and constructing, according to the corresponding three-dimensional point cloud of each pixel point in the pre-acquired video, a high-precision map corresponding to the pre-acquired video.