Abstract: Disclosed is a method of predicting a holiday expressway travel traffic volume based on influence of weather factors.

Abstract: Disclosed are a coordinated control method for urban rail transit passenger flow, an electronic device, and a storage medium. The method includes: predicting passenger flow in peak hours of urban rail lines using a simulation deduction function in a rail simulation system, including station entry ID, station exit ID, station entry time period, and passenger number data; obtaining passenger flow of passengers arriving at stations s and preparing to board during time periods t by dividing according to the different time periods t and the stations s; counting passenger flow in each direction of historical passenger flow, and calculating a proportion of the passenger flow in each direction of the historical passenger flow; constructing a mixed integer programming model of multi-station passenger flow coordinated control; and obtaining an optimal station entry passenger flow scheme by solving the mixed integer programming model of multi-station passenger flow coordinated control.

Abstract: An automatic dropping lubricating device comprises a tank body, a stirring mechanism, a filter mechanism and an intermittent mechanism, a drive motor is fixedly connected to the middle of the right side wall of the tank body, the stirring mechanism is rotationally connected to the middle of an inner cavity of the tank body, the filter mechanism is fixedly connected to the middle of a charging pipe, and the intermittent mechanism is arranged on the right side of the bottom of the tank body. The invention drives a telescopic rod to rotate so that the telescopic rod props against a trigger slider for sliding and the trigger slider drives a movable plate to slide; when the movable plate slides, a connecting pipe slides in a second chute, and finally the connecting pipe is connected to a dropping port while a dropping pipe is connected to the connecting pipe.

Abstract: Example computer-implemented methods, media, and systems for identification and characterization of geologic features in carbonate reservoir are disclosed. One example computer-implemented method includes obtaining multiple core sample images of a carbonate reservoir. The multiple core sample images are labeled using multiple feature classes, where the multiple feature classes include at least one of a vug or fracture. Multiple image patches are generated using the labeled plurality of core sample images. A machine learning model is applied to the multiple image patches to identify one or more vugs or fractures in the multiple core sample images. At least one of porosity or permeability of the carbonate reservoir is predicted using the identified one or more vugs or fractures in the multiple core sample images.

Abstract: A lithium manganese iron phosphate substrate, cathode material, and their preparation method, as well as a lithium battery, belonging to the field of lithium-ion battery technology. The preparation of the lithium manganese iron phosphate substrate comprises the following steps: dissolving soluble ferrous salt, soluble manganese salt, phosphoric acid, and lithium hydroxide in deionized water to react, obtaining Material A; filtering Material A, taking the filter cake and drying it to obtain Material B; Heat treating Material B in an inert gas atmosphere to obtain the lithium manganese iron phosphate substrate. By coating the surface of the carbon-free nano lithium manganese iron phosphate substrate with metal oxides or metal salts and carbon, the coating layer formed on the surface of the composite lithium manganese iron phosphate material effectively prevents the reaction between the lithium battery and the electrolyte.

Abstract: This application provides a method for evaluating a running state of a bridge using a finite element pilot-based deep learning proxy model, belonging to the field of online simulation technologies of bridge structures. The method includes: S1:establishing a finite element simulation model; S2: obtaining vehicle load information according to vehicle positions, number plate information, and axle load-number plate information, obtaining environment load information according to temperature, humidity, and wind speed and direction information of the bridge, and obtaining vehicle-environment load information based on the vehicle load information and the environment load information; S3: adaptively training a finite element pilot-based deep learning neural network proxy model; and S4: inputting the vehicle-environment load information into a finite element pilot-based deep learning neural network proxy model, and outputting a real-time structural state of running of the bridge.

Abstract: A method may use a core sampling system for collecting a core sample with a reference log of a first property. The method may use a wellbore logging system for recording uncalibrated well logs with a target log of the first property. The method may use a computer processor for obtaining an uncalibrated geological model, determining a bulk-shift depth correction based on a first cost function, forming a bulk-shifted log by applying the bulk-shift depth correction to the target log, identifying a plurality of log event pairs, determining, for each of the log event pairs, a local-shift depth correction based on a second cost function, forming a local-shift depth correction table from the local-shift depth correction for the log event pairs, and forming a calibrated geological model based, at least in part, on the uncalibrated geological model and the local-shift depth correction table.

Abstract: A method for analyzing rock cores of a subterranean formation is disclosed. The method includes capturing low resolution core images of the rock cores, selecting, by a computer processor and based on a pre-determined quality threshold for qualifying the low resolution core images, a number of qualified rock cores, capturing high resolution core images of the qualified rock cores, generating, by the computer processor and based on a high resolution core image evaluation model, a ranking of the qualified rock cores, and analyzing, based at least on the ranking, the qualified rock cores to generate a core analysis result.

Abstract: Systems and methods for automatic well log normalization are disclosed. The methods include acquiring a target log in a target well and a reference log in a reference well; identifying a stratigraphic interval in the target well and in the reference well; projecting the target log from the target well onto a pseudo target log in a pseudo target well and projecting the reference log from the reference well onto a pseudo reference log in a pseudo reference well; identifying lithologies from a first histogram of the pseudo target log and a second histogram of the pseudo reference log; determining, using the first histogram and the second histogram a regression relationship between the pseudo target log and the pseudo reference log; applying the regression relationship to the pseudo target log to generate a normalized pseudo target log; and determining a reservoir quality of the reservoir that produces hydrocarbons.

Abstract: A light modulator includes a beam homogenizer having microstructure, and a curved light transmitting substrate having at least one curving surface, wherein the beam homogenizer is arranged on the curving surface of the curved light transmitting substrate to configure the microstructure of the beam homogenizer on the curving surface of the curved light transmitting substrate.

Abstract: A method for manufacturing a component carrier. The method includes (a) supplying a semifinished or finished component carrier to an automatic or semi-automatic optical inspection device and (b) performing an automatic or semi-automatic optical inspection by capturing a first image with a first illumination; capturing a second image with a second illumination; comparing a data set indicative of the first image and/or the second image with a reference data set; and identifying potential defects; (c) performing a quality classification of the semifinished or finished component carrier by generating a virtual third image indicative of the component carrier under a virtual different third illumination having a third spectral composition different from both the first spectral composition and from the second spectral composition; processing the three images; classifying the potential defects in true defects and false defects; and (d) taking action based on the quality classification.

Abstract: A method for analyzing rock cores of a subterranean formation is disclosed. The method includes capturing core images of the rock cores that are collected from geographical locations in the subterranean formation, generating, by a computer processor and from the core images, sub-images by sub-dividing each of the core images, classifying, using a secondary machine learning model that automatically identifies artifacts induced from preparation of the rock cores, the sub-images into artifact-free sub-images and artifact-containing sub-images, and analyzing, using a primary machine learning model, the artifact-free sub-images to generate a core analysis result.

Abstract: A driving assembly and a swimming pool cleaner. The driving assembly includes: wheels, comprising first wheel and second wheel, each of the first wheel and the second wheel including a wheel body and internal teeth, and the internal teeth arranged on an inner wall of the wheel body; a driving gear, arranged in the wheel body of the first wheel and matching the internal teeth of the first wheel; a first rolling brush gear, arranged in the wheel body of the first wheel and matching the internal teeth of the first wheel; a second rolling brush gear, arranged in the wheel body of the second wheel and matching the internal teeth of the second wheel; and a driving belt with an end tightly attached to the first wheel and another end tightly attached to the second wheel. The driving assembly is simple in structure and low in manufacturing cost.

Abstract: A tiller including a walking element configured to move the tiller, a tine rotatable about a rotational axis; a first motor configured to drive the walking clement to move the tiller, and a counterweight, wherein the tine is disposed on a first side of the tiller and wherein the counterweight is disposed on a second side of the tiller opposite the first side.

Abstract: A system and method for changing a circuit design are described. The method includes generating a propagation graph for the circuit design and estimating slack values for some of the paths in the propagation graph. The method also includes making a virtual change to the circuit design and determining whether to accept or reject the change based on how the change affects the estimated slack values.

Abstract: Embodiments of this application disclose a synchronization method and a device. A device marks, based on a preset period, a periodic code block in a data bitstream to be sent from a MAC layer to a PHY layer. The device sends the data bitstream to a peer device through the PHY layer, records a sending time of each periodic code block as a first timestamp during sending, and returns the first timestamp to the MAC layer. By marking a timestamp for the periodic code block received from the MAC layer, the device sets a PHY-layer-based time reference scale (namely, the first timestamp) at the PHY layer.

Abstract: A transaction card is provided for communicating with a computing device. The transaction card may comprise a computer interface device, at least one memory, at least one processor, and a card reader module. The card reader module configured to receive, from the computing device through the computer interface device, a first data packet comprising a request associated with a transaction, the first data packet being compatible with an interface protocol. The card reader module may process the first data packet to generate a second data packet compatible with the payment authentication protocol; provide the second data packet to the processor; receive, from the processor, a third data packet comprising a response to the request; process the third data packet to generate a fourth data packet based on the response, the fourth data packet compatible with the interface protocol; and transmit, to the computer interface device, the fourth data packet.

Abstract: Provided are a backplane and a display device. The backplane comprises an active area, a first binding area and a second binding area. The first binding area is detachably disposed on a side of the second binding area away from the active area, and both the first binding area and the second binding area are capable of being bonded to an external electronic assembly. By arranging two binding areas, if there is a defective product in a module process, the first binding area is detached, and the second binding area is attached to the external electronic assembly, such that the display device is repaired in the module process, thereby reducing a scrapping cost of the product.

Abstract: Aspiration thrombectomy devices and methods wherein an aspiration cycle includes a positive displacement segment to facilitate clot removal, a pump cartridge to facilitate tube management and an aspiration device for providing a vacuum surge. Disclosed herein is an aspiration thrombectomy system which relies on air or inert gas, rather than liquid, to provide both static and dynamic suction level profiles for safely and efficiently retrieving and removing from the body a thrombus. In one example embodiment, two or more pressure sources may be configured to apply two or more suction levels to an aspiration catheter. Valves may connect conduits between the pressure sources and the aspiration catheter, with the valves being selectively opened or closed to control which pressure level is applied to the catheter.