Abstract: A method and a device for acquiring a vehicle feature are provided. In the method, a to-be-processed image including a vehicle is acquired. A feature element of the vehicle is then recognized from the to-be-processed image, where the feature element may be a side element and an element of a vehicle end, and the vehicle-end may be a head of the vehicle or a rear of the vehicle. Based on a position of the side element in the to-be-processed image and a position of the element of the vehicle end in the to-be-processed image, a side region of the vehicle and an end region of the vehicle are determined.

Abstract: The disclosure relates to an aluminum alloy and a component part prepared therefrom. The aluminum alloy comprises: 7-9 wt% of silicon (Si), 0.15-0.45 wt% of chromium (Cr), 0.1-0.3 wt% of vanadium (V), at least 0.01 wt% of strontium (Sr), 0.1-0.2 wt% of titanium (Ti), 0-0.5 wt% of manganese (Mn), 0-0.8 wt% of iron (Fe) and the balance being aluminum and inevitable impurities. The aluminum alloy of the disclosure can be exempt from heat treatment process after casting in the processing process, so as to contribute to energy conservation and emission reduction, and the component part prepared therefrom can achieve desired mechanical properties.

Abstract: The disclosure relates to an aluminum alloy and a component part prepared therefrom. The aluminum alloy comprises: 7-9 wt % of silicon (Si), 0.2-0.7 wt % of manganese (Mn), 0.09-0.4 wt % of iron (Fe), 0.1-0.3 wt % of vanadium (V), 0.1-0.2 wt % of titanium (Ti), 0.01-0.03 wt % of strontium (Sr), and the balance being aluminum and inevitable impurities, wherein the weight ratio of the manganese (Mn) to the iron (Fe) is not less than 1. The aluminum alloy of the disclosure can be exempt from heat treatment process after casting in the processing process, so as to contribute to energy conservation and emission reduction, and the component part prepared therefrom can achieve desired mechanical properties.

Abstract: A control circuit for a switching regulator can include: a control signal generation circuit configured to generate a control signal for controlling switching states of power switches in the switching regulator; where, in a first state of the switching regulator, the control signal is generated in accordance with a loop feedback signal that is generated based on a difference between an output voltage and a desired output voltage; and where, in a second state of the switching regulator, the control signal is generated in accordance with a reference voltage by disabling the loop feedback signal.

Abstract: Fully automatic true triaxial tunnel and underground project model test system, including a triaxial loading device for loading model test piece, automatic data collection and analysis device, power system and control system; triaxial loading device includes test bench, vertical loading system, horizontal front and back, and left and right loading systems, and the vertical, horizontal front and back, and left and right loading systems apply three-way pressure to model test body; test bench functions for supporting, fixing, and providing counter-force; automatic data collection and analysis device includes micro optical fiber sensor embedded in model test piece, optical fiber monitoring system, micro pressure box and strain brick, and can collect multi-field information.

Abstract: An electrically operated valve capable of quickly achieving reliable switching between multiple flow paths. The electrically operated valve includes a driving mechanism, an executing mechanism and a valve body assembly, wherein the driving mechanism includes a bushing and an output shaft located in the bushing, the executing mechanism includes a valve stem connected to the output shaft and a valve core connected to the valve stem, and the valve core is provided with a first flow channel and a second flow channel; the valve body assembly includes a valve body and a valve seat, the bushing forms a space isolated from the outside, the output shaft and a connecting portion between the valve stem and the output shaft are located in this space, and the valve body has a cavity, four through holes and a plug port.

Abstract: A screen freezing processing method and a terminal are provided. The method includes: displaying a user interface of an application, and receiving an operation on the user interface, where the operation on the user interface is used to implement a first function; skipping responding to, by the terminal within first duration, the operation on the user interface, and skipping implementing the first function; and after the first duration, responding to, by the terminal, the operation on the user interface, and implementing the first function. This technical solution can automatically restore implementation of the first function, thereby improving user experience.

Abstract: A system and method for a computer system for the secure storage, transmittance and access of genetic data includes a coordinator server including a coordinator program arranged to update secure access information, the coordinator server being in communication with a genetic data sequencing server, a genetic data analysing server, and a genetic data storage server, whereby the coordinator server communicates the secure access information in a manner to allow the genetic data storage server to act as a proxy server between the genetic data sequencing server and the genetic data analysing server.

Abstract: A peridynamics method and system for tunnel rock mass failure water inrush catastrophe simulation. A calculation model is discretized into material points, and a virtual boundary layers is set on an outer side of a boundary of the calculation model as an object to which boundary conditions are applied; a size of a horizon of the material points is selected to form a neighborhood matrix; a crustal stress is made equivalent to a stress boundary condition of the calculation model, a karst cave water pressure is made equivalent to a normal pressure, and a displacement constraint and tunnel support are converted into a displacement boundary condition; a speed and a displacement of the material point are solved, and local damage situations are recorded; and a tunnel construction process is simulated by material point dormancy after initial balance calculation is stable.

Abstract: A method, computer program product, computer system, and the like that provide for the efficient reclamation of storage space in a deduplication system are disclosed. The method, for example, includes identifying one or more storage constructs of a number of storage constructs and generating an indication that a reclamation operation is to be performed with respect to the one or more storage constructs. In an embodiment, each of the plurality of storage constructs includes metadata and a number of units of data. The one or more storage constructs are identified, at least in part, by determining that a portion of the number of units of data of each of the one or more storage constructs is in a state, wherein the determining is based, at least in part, on at least a portion of the metadata.

Abstract: Embodiments of the present invention disclose a vehicle feature acquisition method and a vehicle feature acquisition device. The vehicle feature acquisition method comprises: acquiring an image to be processed, the image to be processed comprising a vehicle; performing recognition on said image to obtain feature elements on the vehicle, wherein the feature elements can be vehicle side elements of a vehicle and elements of a vehicle end, and the vehicle end can be a vehicle front end or a vehicle rear end; determining, according to positions of the vehicle side elements of the vehicle and the elements of the vehicle end in said image, a side region of the vehicle and an end region of the vehicle, and accordingly acquiring regional features of the vehicle side according to the side region and acquiring regional features of the vehicle end according to the end region.

Abstract: A screen freezing processing method and a terminal are provided. The method includes: displaying a user interface of an application, and receiving an operation on the user interface, where the operation on the user interface is used to implement a first function; skipping responding to, by the terminal within first duration, the operation on the user interface, and skipping implementing the first function; and after the first duration, responding to, by the terminal, the operation on the user interface, and implementing the first function. This technical solution can automatically restore implementation of the first function, thereby improving user experience.

Abstract: Disclosed herein are methods, systems, and processes to optimize and manage fingerprint backward compatibility in deduplication backup computing systems. A new fingerprint is generated for a segment object stored in a data container based on a new fingerprinting process. A header file is modified by replacing an old fingerprint for the segment object based on an old fingerprinting process with the new fingerprint. An entry including information indicating an association between the old fingerprint and the new fingerprint is created in a fingerprint map file.

Abstract: A doctor health monitoring system based on a medical apparatus includes the medical apparatus (1), a detection system (2), a control system (3) and an artificial intelligence system (14). The detection system (2) is configured to detect health indicators of doctors and send the detected health indicators to the control system (3). The control system (3) and the artificial intelligence system (14) are integrated within the medical apparatus (1). The control system (3) is configured to send the detected health indicators from the detection system to a display device (11) for display. The artificial intelligence system (14) is configured to analyze the detected health indicators in the cloud server (12) for obtaining a diagnostic accuracy of the detected health indicators and a physical health status of the doctors. The detection system (2) capable of detecting the health indicators of the doctors is connected with the medical apparatus (1).

Abstract: A control circuit for a switching regulator can include: a control signal generation circuit configured to generate a control signal for controlling switching states of power switches in the switching regulator; where, in a first state of the switching regulator, the control signal is generated in accordance with a loop feedback signal that is generated based on a difference between an output voltage and a desired output voltage; and where, in a second state of the switching regulator, the control signal is generated in accordance with a reference voltage by disabling the loop feedback signal.

Abstract: Various methods, systems, and processes for mitigating fragmentation in synthetic full backups are disclosed. One or more storage units out of multiple storage units are identified. The multiple storage units include one or more new storage units or one or more existing storage units. The multiple storage units are accessed and a determination is made as to whether the one or more storage units out of the multiple storage units meet a threshold. The threshold is a measure of a characteristic of those one or more storage units. If one or more storage units meet the threshold, those one or more storage units are included in a backup stream, and the backup stream is sent to a backup server.

Abstract: An electrically operated valve capable of quickly achieving reliable switching between multiple flow paths. The electrically operated valve includes a driving mechanism, an executing mechanism and a valve body assembly, wherein the driving mechanism includes a bushing and an output shaft located in the bushing, the executing mechanism includes a valve stem connected to the output shaft and a valve core connected to the valve stem, and the valve core is provided with a first flow channel and a second flow channel; the valve body assembly includes a valve body and a valve seat, the bushing forms a space isolated from the outside, the output shaft and a connecting portion between the valve stem and the output shaft are located in this space, and the valve body has a cavity, four through holes and a plug port.

Abstract: An adaptive charger can include: a power converter configured to receive an input current from an external power supply, and to generate an output current as a charging current to a load; a current feedback loop configured to compare a first detection signal that represents the input current against a first current reference signal, and to generate a first error signal, where the power converter is configured to regulate the input current according to the first error signal; and the current feedback loop being configured to determine an overload state of the external power supply according to an input voltage of the power converter, where the charger is configured to enter a current limit state when the external power supply is determined to be in the overload state, and where the first current reference signal is gradually reduced until the external power supply recovers to a non-overloaded state.

Abstract: A method and an apparatus for detecting a road lane are provided. The method includes acquiring a current road image of a road around a vehicle and inputting the current road image into a deep learning model and detecting a road lane region in the current road image based on a result outputted from the deep learning model. The deep learning model includes a first model device and a second model device. The first model device includes at least one first model subdevice which includes a convolutional neural network and a first recurrent neural network, and the second model device includes at least one second model subdevice which includes a deconvolution neural network and a second recurrent neural network.

Abstract: Fully automatic true triaxial tunnel and underground project model test system, including a triaxial loading device for loading model test piece, automatic data collection and analysis device, power system and control system; triaxial loading device includes test bench, vertical loading system, horizontal front and back, and left and right loading systems, and the vertical, horizontal front and back, and left and right loading systems apply three-way pressure to model test body; test bench functions for supporting, fixing, and providing counter-force; automatic data collection and analysis device includes micro optical fiber sensor embedded in model test piece, optical fiber monitoring system, micro pressure box and strain brick, and can collect multi-field information.