Abstract: An antenna device includes an insulating carrier and a first primary antenna having a first feeding-in section, a first auxiliary antenna having a second feeding-in section and a second grounding section, a second primary antenna having a third feeding-in section, a second auxiliary antenna having a fourth feeding-in section and a grounding face which are provided on a face of the carrier. The first primary and auxiliary antennas and the second primary and auxiliary antennas are positioned at two side edges of the carrier which are away from each other. The grounding face is positioned between both the first primary and auxiliary antennas and the second primary and auxiliary antennas. The grounding face is provided with a first grounding section adjacent to the first feeding-in section, a third grounding section adjacent to third feeding-in section and a fourth grounding section adjacent to the fourth feeding-in section.

Abstract: A method for impact test on a lower abdomen of a vehicle crash test dummy includes: controlling an arc-shaped hammer head to impact a lower abdomen of a preset dummy at a preset speed; obtaining displacements from a displacement sensor, wherein the displacements are generated by the lower abdomen of the preset dummy and the arc-shaped hammer head during the impact; obtaining a pressure from a pressure sensor, wherein the pressure is borne by the lower abdomen of the preset dummy during the impact; and determining, based on the displacements and the pressure, whether the preset dummy satisfies a biological simulation standard. The method is capable of testing whether the current dummy satisfies the biological simulation standard, so as to ensure the accuracy of test data in subsequent vehicle crash tests using the dummy.

Abstract: A display device is provided, including: a back plate; a plastic frame connected to the back plate; a backlight module; a privacy film on a light emitting side of the backlight module; and a dimming sheet on a side of privacy film away from the back plate, wherein the dimming sheet is configured to be capable of adjusting a viewing angle of the display device. The plastic frame includes a first surface and a side end face, the first surface is a surface of the plastic frame close to the dimming sheet, the side end face is a side face of the plastic frame close to the dimming sheet, the plastic frame further includes a chamfered portion at a transition position between the side end face and the first surface, and the chamfered portion has a rough surface that is configured for diffracting the light incident on the chamfered portion.

Abstract: The present invention discloses a polypeptide and application thereof. By modifying oxyntomodulin (OXM), hybridizing OXM with a peptide sequence of Exenatide, including enabling the polypeptide to be resistant to DPP-4 enzyme degradation through amino acid modification, and conjugating fatty acid chains at the same time, an OXM hybrid peptide having longer pharmacologic action time and better weight losing effects is obtained. Synthesis of a target polypeptide is fast realized by an orthogonal protection strategy solid-phase synthesis method, and a crude product is purified and freeze-dried to obtain the OXM hybrid peptide.

Abstract: A technique for improving wireless communication characteristics involving matching transmitter antenna patterns to receiver antenna patterns. In a specific implementation, the transmitter antenna pattern adapts to changing parameters, such as when a smartphone is initially held in a first orientation and is later held in a second orientation. Because the transmitter antenna pattern matches receiver antenna patterns, signal quality between stations improves. In some implementations, antennas are organized and mounted to maximize spatial diversity to cause peak gains in different directions.

Abstract: A generator control system capable of realizing series-parallel connection comprises a first generator, a second generator, a first inverter and a second inverter, wherein a power output terminal of the first generator is connected to a power input terminal of the first inverter, and a power output terminal of the second generator is connected to a power input terminal of the second inverter. The generator control system further comprises a series-parallel connection box, and the first inverter and the second inverter are connected to the series-parallel connection box. Various voltages and power can be provided through the change-over switch.

Abstract: A bionic robot is provided, which includes a body; a plurality of sets of wheeled leg devices arranged at intervals in a front-rear direction, each comprising two wheeled leg devices arranged symmetrically in a left-right direction, each comprising a leg assembly and a travel wheel, and a power output shaft connected to the travel wheel; and a suspension device disposed in the body and connected to at least two sets from the plurality of sets of wheeled leg devices. The at least two sets of wheeled leg devices are located at the foremost end and the backmost end respectively. The suspension device comprises a plurality of drive assemblies, each connected to a corresponding leg assembly, which each comprise: an electric cylinder being configured to drive a telescopic rod to extend or retract; a damper connected between the body and the leg assembly; and an elastic member fitted over the damper.

Abstract: A method, system, electronic device and storage medium for constructing locally convex feasible space are provided. The method includes acquiring a plurality of initial motion trajectory points, size information and surrounding obstacle information of a target vehicle; generating a quadtree map according to the above information; determining a target distance corresponding to each initial motion trajectory point according to the quadtree map; allocating locally convex feasible space to a first-type initial motion trajectory point by using the quadtree map, and allocating locally convex feasible space to a second-type initial motion trajectory point by using an improved convex feasible set algorithm. The first-type initial motion trajectory point is an initial motion trajectory point with the target distance greater than or equal to a set threshold; and the second-type initial motion trajectory point is an initial motion trajectory point with the target distance less than the set threshold.

Abstract: A method for contrastive learning by selecting dropout ratios and locations based on reinforcement learning includes receiving training data having a positive sample corresponding to a target and negative samples not corresponding to the target. A dropout policy for a neural network is produced based on the training data, where the dropout policy identifies at least one connection between neurons in the neural network to dropout. The training data is encoded, based on the dropout policy, to form embeddings, where the embeddings include multiple positive sample embeddings corresponding to the positive sample and multiple negative sample embedding corresponding to the negative samples.

Abstract: The disclosure discloses a sample analyzer and a sample analysis system. The sample analyzer includes a first specimen supply device, a chromatographic separation device and a first controller. The chromatographic separation device is controlled by the first controller to elute and chromatograph a first specimen in a first operation mode and to elute and chromatograph a second specimen in a second operation mode. The first controller is configured to: analyze feedback information from the chromatographic separation device in the first operation mode to obtain a parameter of glycosylated hemoglobin in the first specimen and a conclusion as to whether an interfering substance exists in the first specimen, and to analyze feedback information from the chromatographic separation device in the second operation mode to obtain a parameter of glycosylated hemoglobin in the second specimen and a parameter of an interfering substance in the second specimen.

Abstract: The present invention discloses a recombinant collagen protein and its use in the cartilage repair matrix. The present invention discloses a recombinant collagen protein which contains the sequence shown in SEQ ID No. 1; the amino acid sequence of the stated recombinant collagen protein comprises N basic repetitive units; the basic repetitive unit contains n1 amino acid sequences with the following characteristic: G-Xaa1-Xaa2-G-E-Xaa3; the 3? end and the 5? end of the basic repetitive unit are connected to form the amino acid sequence with the above characteristic. The recombinant collagen protein claimed by the present invention has significant integrin binding activity, has the effect of promoting cell adhesion, proliferation, differentiation, and repairing cartilage tissue defects, etc, and it has promising prospects for application.

Abstract: Disclosed a method for predicting permeability of a multi-mineral phase digital core based on deep learning. In the present disclosure, a three-dimensional digital core is constructed and a pore structure is randomly generated; after a plurality of multi-mineral digital core images is acquired by performing image segmentation on the three-dimensional digital core, permeability corresponding to each of the multi-mineral digital core images is acquired by simulation using multi-physics field simulation software and a multi-mineral digital core data set is constructed based on the plurality of multi-mineral digital core images and the permeability corresponding to each of the multi-mineral digital core images; an SE-ResNet18 convolutional neural network is constructed and trained with the multi-mineral digital core data set; and an image of a multi-mineral core to be predicted is input into the trained SE-ResNet18 convolutional neural network to determine the permeability of the multi-mineral core.

Abstract: The present invention relates to the technical field of acetonitrile refining, and in particular, to an improved acetonitrile purification process for an ultrahigh performance liquid chromatography-mass spectrometer. The present invention provides an acetonitrile purification process. A high-purity finished product may be obtained by performing operations of oxidation, rectification adsorption, drying, reflux rectification and filtration on industrial acetonitrile and controlling related parameters such as temperature, flow and the like, continuous production is ensured, a light transmittance of the finished product in ultraviolet rays of 200 to 260 nm is greater than or equal to 95%, water and impurities in the industrial acetonitrile are removed, and the requirements of the ultrahigh performance liquid chromatography-mass spectrometer are met; moreover, by controlling process parameters and equipment.

Abstract: A method for measuring deformation of dummy rib, includes: controlling a plurality of laser device groups to slide along corresponding curve segments respectively, and executing the following steps when the laser device groups slide to each sampling point, to obtain a degree of deformation at a position, corresponding to the sampling point, on to-be-measured dummy rib, the following steps including: controlling a laser range finder to emit a laser beam in a normal vector direction of a tangent corresponding to a position on a slide rail; determining whether the laser range finder receives corresponding reflected laser. This embodiment can have advantages of simple operation, low cost, and high accuracy.

Abstract: A system may include a memory and a processor in communication with the memory. The processor may be configured to perform operations. The operations may include registering a custom resource definition for a tenant with a host and scaling a controller for the customer resource definition. The operations may include generating a replication using the customer resource definition, injecting information into the replication, and syncing a status of the custom resource definition between the host and the tenant.

Abstract: The present disclosure provides a method and system for constructing a digital rock, and relates to the technical field of digital rocks. According to the method, a three-dimensional (3D) digital rock image that can reflect real rock information is obtained using an image scanning technology, and the image is preprocessed to obtain a digital rock training image for training a generative adversarial network (GAN). The trained GAN is stored to obtain a digital rock construction model. The stored digital rock construction model can be directly used to quickly construct a target digital rock image. This not only greatly reduces computational costs, but also reduces costs and time consumption for obtaining high-resolution sample images. In addition, the constructed target digital rock image can also reflect real rock information.

Abstract: A resource processing method and apparatus. The method is achieved by a computer configured to execute the following steps: generating a resource allocation chart based on a resource allocation request; processing the resource allocation chart and generating an access entrance of the resource allocation chart; opening the access entrance to enable at least one third party resource supplier to respond to the resource allocation request via the access entrance. The method further comprises: when the resources are not available or not suitable for allocation, receiving a resource allocation chart, wherein the resource allocation chart is based on the resource allocation request; generating an access entrance of the resource allocation chart; opening the access entrance to at least one third party resource supplier; and receiving the allocated resources from the at least one third party resource supplier by responding to the resource allocation request through the access entrance.

Abstract: The present invention relates to a knowledge-graph extrapolating method and system based on multi-layer perception, the method comprising: using relational graph convolutional network encoders to learn embedding representations, and capturing dynamic evolution of a fact; designing emerging task processing units to construct multiple layers of entity sets, and assigning a matching historical relevance; classifying prediction tasks into different reasoning scenes, and connecting them to the corresponding processing unit for partition of entity sets; and using a multi-class task solving method to acquire predicted probability distributions of target entities, and taking the highest one as a prediction answer, so as to accomplish extrapolation of a temporal knowledge graph, wherein the prediction tasks are classified into different reasoning scenes according to whether it contains any entity or relation that has never appeared historically.

Abstract: Machine learning model training is provided. A model training result of a machine learning model is predicted utilizing a classification model based on a plurality of different combinations of input data set properties, settings of the machine learning model, and machine learning model training environment properties. Model training duration of the machine learning model is predicted utilizing a regression model based on those combinations that had a predicted successful model training result. Capacity unit hours is determined for each respective combination having the predicted successful model training result based on a corresponding predicted model training duration of the machine learning model. A particular combination of input data set properties, settings of the machine learning model, and machine learning model training environment properties that has minimum capacity unit hours is selected. The machine learning model is trained using the particular combination.

Abstract: An example operation may include one or more of receiving a message from an agent installed at a data replication server, the message comprising a status identifier of a checksum validation of a data replication operation, identifying a latency value associated with the data replication server, determining whether a data loss has occurred based on the status identifier of the checksum validation and the latency value, and in response to a determination that the data loss has occurred, transmitting a notification of the data loss to a computing system associated with the data replication server.