Abstract: A method for determining a three-dimensional tortuosity of a loose and broken rock-soil mass, includes the following steps: a particle grading curve of the loose and broken rock-soil mass is obtained by utilizing a particle size analysis, and followed by calculating an equivalent particle size and an average particle size; a porosity of the loose and broken rock-soil mass is obtained by utilizing a moisture content test, a density test, and a specific gravity test; the three-dimensional tortuosity of the loose and broken rock-soil mass is obtained by utilizing the equivalent particle size, the average particle size and the porosity of the loose and broken rock-soil mass. The method has the advantages of simple logic, accuracy and reliability, simple and fast parameter determination, and has high practical value and promotion value in the field of environmental protection and ecological restoration technology.

Abstract: The present invention is directed to solid-state composite cathodes that comprise Na2S or Li2S, Na3PS4, or Li3PS4, and mesoporous carbon. The present invention is also directed to methods of making the solid-state composite cathodes and methods of using the solid-state composite cathodes in batteries and other electrochemical technologies.

Abstract: A self-powered wireless keyboard by modifying the structure of a traditional membrane keyboard having a volcanic crater structure. Not damaging the original membrane keyboard structure, a micro magnet core is installed inside a cylindrical protrusion block under the key cap as a mover of the induction power generation device, and an induction coil is wound in a key slot of the keyboard base as the stator of the induction power generation device. In this way, when each key is pressed, it will produce induction current. A layer of flexible solar cell can be laid on the upper surface of the key, which can generate electricity by collecting the light energy in the surrounding environment during the time of daily illumination.

Abstract: The field of high-speed data acquisition and network data processing, and particularly relates to an Ethernet data stream recording method, an Ethernet data stream recording system, and an Ethernet data stream recording device for a high-speed data acquisition system. It is intended to solve problems such as a low utilization rate of CPU, poor system compatibility, difficulty in packaging and deployment and low reliability of system transmission of the traditional high-speed data acquisition system.

Abstract: The present disclosure relates to an AC/DC closed-loop current sensor, including a magnetism gathering iron core, a TMR chip, a signal processing circuit, a signal generator, and a feedback coil. The TMR chip is arranged at an air gap of the magnetism gathering iron core and connected to the signal processing circuit. The signal processing circuit is connected to the signal generator. The feedback coil is wound around the magnetism gathering iron core and connected to the signal generator. The signal processing circuit is configured to select from the induced signal of the TMR chip and make an amplification to obtain a current signal component and send the current signal component to the signal generator. The signal generator is configured to adjust a current output to the feedback coil based on the current signal component, and output a measurement result of the selected current signal component.

Abstract: A light-emitting module and a light-emitting diode are provided. The light-emitting diode includes an epitaxial light-emitting structure to generate a light beam with a broadband blue spectrum. A spectrum waveform of the broadband blue spectrum has a full width at half maximum (FWHM) larger than or equal to 30 nm. The spectrum waveform has a plurality of peak inflection points, and a difference between two wavelength values to which any two adjacent ones of the peak inflection points respectively correspond is less than or equal to 18 nm.

Abstract: A modular valve system includes a modular valve body having an inlet, an outlet, a through-hole, and a fluid flow path between the inlet and the outlet. The modular valve body is used to assemble any one of a pressure regulating valve, a slam-shut valve, or a flow control valve, and the through-hole is configured to receive a component of any one of the pressure regulating valve, the slam-shut valve, and the flow control valve.

Abstract: The present disclosure describes multi-parameter dynamic sampling methods and systems. An example method includes: configuring two sampling rates for each parameter in a set of sampling parameters; selecting one of the sampling rates for each parameters to sample it; calculating a load for each parameter at the selected sampling rate, sorting the parameters according to the loads, and determining high-loaded parameters according to a sorting result; and determining whether each parameter has data loss, and if at least one of the sampling parameters has data loss, performing down-sampling on the high-loaded sampling parameters within a range of the configured at least two sampling rates.

Abstract: Disclosed are heteroaryl compounds and pharmaceutical compositions thereof, which are useful for inhibiting EGFR, as well as methods for using such compounds to treat cancer associated with an EGFR or HER2 exon 20 insertion mutation.

Abstract: This application relates to an application control method performed by an electronic device that runs a native application and a sub-application nested in the native application. The method includes: receiving, by the native application, an object creation instruction transmitted by the sub-application; in response to the object creation instruction, creating, by the native application, a native object, wherein the native object is configured for performing operation on target multimedia content in the sub-application; receiving, by the native application, an object calling instruction transmitted by the sub-application; and in response to the object calling instruction, executing, by the native application, the native object and returning an execution result of the native project to the sub-application, wherein the sub-application is configured for performing corresponding operation on target multimedia content according to the execution result.

Abstract: The disclosure provides sulfonamides based compounds and pharmaceutical compositions thereof, which are useful for inhibiting one or more mutations of EGFR, as well as methods for using such compounds to treat cancer associated with EGFR mutations.

Abstract: A circuit of wireless charging and a method of charging a battery. The circuit includes: a wireless receiver, configured to receive a charging power transmitted by a wireless transmitter of a wireless charging apparatus through electromagnetic induction; a charge pump circuit configured to receive a boosted input voltage from the voltage output end, and step down the input voltage to an output voltage of the charge pump circuit, to charge a battery; a step-down converter circuit configured to perform the step-down charging on the battery at least in a case that a charging mode is in a constant voltage mode; and a controller configured to select one between the charge pump circuit and the step-down converter circuit as a charging path to charge the battery based on a voltage difference between the input voltage from the voltage output end of the wireless receiver and a charging voltage of the battery.

Abstract: A charging system includes: a first battery, a second battery, a switch device, a charging component, and a control component. A capacity of the second battery is smaller than that of the first battery. The switch device is disposed outside the second battery and connected to the second battery. The charging component is connected to the first battery and connected to the second battery via the switch device, and configured to output a charging current to the first battery and the second battery. The control component is connected with the first battery and the second battery, and configured to detect remaining capacity of the first battery and the second battery during a charging process and control the switch device to turn on or turn off based on the remaining capacity.

Abstract: A charging circuit is provided. The charging circuit includes a protection circuit and a charging control switch connected in series, and a transfer switch. The transfer switch is configured to switch to a first charging circuit by connecting to the protection circuit, and switch to a second charging circuit by connecting to the charging control switch. A maximum charging voltage of the first charging circuit is lower than a maximum charging voltage of the second charging circuit.

Abstract: A light-emitting device is provided. The light-emitting device generates a white light and includes at least one light-emitting diode. The at least one light-emitting diode generates a light beam with a broadband blue spectrum and includes a first semiconductor layer, a second semiconductor layer and a multiple quantum well structure. The multiple quantum well structure is located between the first semiconductor layer and the second semiconductor layer, and includes well layers and barrier layers. The well layers include a first well layer, a second well layer and third well layers different in indium concentrations. The first well layer has the largest indium concentration, and the third well layers have the smallest indium concentration.

Abstract: An electronic apparatus includes: a display; a processor configured to, when a battery of the electronic apparatus is to be charged, obtain a display state of the display and generate a mode-selection signal according to the display state; and a battery management circuit connected to the processor and configured to, upon receiving the mode-selection signal, switch to one of a charge pump charging mode or a direct charging mode based on the mode-selection signal to charge the battery.

Abstract: There is provided an information generation method and apparatus, which relates to a technical field of augmented reality. The method includes acquiring relative position information on a user relative to a target object in a virtual environment, determining sensory information corresponding to the target object based on the relative position information and the attribute information on the target object, and converting the sensory information into electrical signals to stimulate the user through the brain-machine interface device. Accordingly, the method helps the user experience the attributes of the object in the virtual environment and improves the authenticity of the interaction.

Abstract: A multi-type industrial robot control system may include: an automation controller; and a programmable logic controller (PLC)-robot bridge. The controller stores a general-purpose robot control function block generated using a unified design standard, calls a corresponding robot control function block for a robot and using robot state data and puts out corresponding first command data to the PLC-robot bridge. The PLC-robot bridge virtualizes robot interfaces of corresponding offline programming functions of different types of robot as a unified virtual interface, calls a corresponding offline programming function via the unified virtual interface according to the first command data, and generates second command data for output to a corresponding robot controller. The corresponding robot controller controls a corresponding robot. At the same time, robot state data from a corresponding type of robot is received via the unified virtual interface and the robot state data is fed back to the automation controller.

Abstract: This application relates to an application control method performed by an electronic device that runs a native application and a sub-application nested in the native application. The method includes: receiving, by the native application, an object creation instruction transmitted by the sub-application; in response to the object creation instruction, creating, by the native application, a native object, wherein the native object is configured for performing operation on target multimedia content in the sub-application; receiving, by the native application, an object calling instruction transmitted by the sub-application; and in response to the object calling instruction, executing, by the native application, the native object and returning an execution result of the native project to the sub-application, wherein the sub-application is configured for performing corresponding operation on target multimedia content according to the execution result.

Abstract: Examples of the present disclosure include methods and/or systems for fault diagnosis and solution recommendation. A method may include: obtaining original data including fault problem of a target device; analyzing the original data including fault problem to obtain problem description information; analyzing the problem description information to obtain a diagnosis report; and, according to the diagnosis report, obtaining a video and/or document solution for the fault based on a cloud knowledge map, and recommending the solution to a user. The knowledge map comprises: nodes representing the fault, video solution and/or document solution, and multiple edges representing the relationship between nodes.