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

Abstract: The present invention relates to the field of coal mine concealed fire zone detection, in particular to a coal spontaneous combustion downhole detection system and method based on a self-potential method. The coal spontaneous combustion downhole detection system comprises a self-potential detection apparatus and a self-potential processing apparatus; the self-potential detection apparatus comprises measuring electrodes, a reference electrode and metal anchor rods; the measuring electrodes are arranged on a top plate of a goaf roadway, are fixed to the metal anchor rods, and are in wireless connection with the reference electrode through the metal anchor rods; the self-potential processing apparatus comprises a data processing sensor for processing potential data and an imaging sensor for converting data into images; and the measuring electrodes and the reference electrode are in wireless connection with the data processing sensor.

Abstract: An ultrasound system includes an ultrasound scanner configured to transmit ultrasound at a patient anatomy and receive reflections of the ultrasound from the patient anatomy. The ultrasound system includes an ultrasound machine configured to generate received data including ultrasound data based on the reflections of the ultrasound and artifact data based on an interferer. The ultrasound system includes a processor system that is implemented to determine an artifact signal that is based on the interferer, determine, based on the artifact signal, one or more artifact characteristics. In some embodiments, the artifact characteristics are selected from the group consisting of an amplitude, a phase, a center frequency, and a bandwidth. The processor system is implemented to generate, based on the artifact characteristics, filter coefficients, and filter, based on the filter coefficients, the received data to suppress the artifact data and recover the ultrasound data.

Abstract: A power-supply mode switching circuit and an aerosol generating device are provided. The power-supply mode switching circuit includes an external-power-source power-supply circuit, a protection circuit, and a battery power-supply circuit. A node where the external-power-source power-supply circuit is connected to the protection circuit serves as a power-source input end. A node where the external-power-source power-supply circuit is connected to the battery power-supply circuit serves as a power supply end. The protection circuit is configured to control the battery power-supply circuit to be cut off when the power-source input end is connected to the external power source, to make the external power source supply power to the power supply end. The protection circuit is further configured to control the battery power-supply circuit to be conducted when the power-source input end is not connected to the external power source, to make the battery supply power to the power supply end.

Abstract: Disclosed are heat pipes of the type having a condenser section in which gaseous refrigerant is condensed to produce liquid refrigerant comprising: (a) at least one closed pipe comprising: (i) a condenser section, (ii) a first evaporator section in fluid communication with said condenser section; and (iii) at least a second evaporator section in fluid communication with said condenser section; (b) refrigerant contained in said heat pipe; (c) at least a first liquid flow path leading a first portion of liquid refrigerant condensed in said condenser section to said first evaporator section; and (d) at least a second liquid flow path leading a second portion of liquid refrigerant condensed in said condenser section to said second evaporator section, wherein said second evaporator section comprises a reservoir holding liquid refrigerant at a location different than said first evaporator section.

Abstract: Provided is a device for maintaining an equipment configured to maintain a to-be-maintained equipment (1). The to-be-maintained equipment (1) includes a first side and a second side opposite to the first side, and the device includes: at least one guide rail (3) extending in a first direction, wherein the first direction is a direction pointing from the first side to the second side; a sliding mechanism (4) arranged on the guide rail (3) and configured to support the to-be-maintained equipment (1); and a driving mechanism (5) configured to drive the sliding mechanism (4) and the to-be-maintained equipment (1) to move along the guide rail (3), wherein the device is configured to allow the to-be-maintained equipment (1) to move along the guide rail (3) to change a maintenance space on the first side or the second side.

Abstract: An atomization device, a method for controlling the atomization device, and a non-transitory computer-readable storage medium are provided. The method is applicable to the atomization device. The atomization device includes a display module and an inhalation detection module. The display module has m operating modes, where m?2. The method for controlling the atomization device includes the following. Detect, by the inhalation detection module, an inhalation of a user, and determine a corresponding inhalation parameter according to the inhalation of the user, where the inhalation parameter includes at least one of a number of inhalations in a preset statistical period, a duration of each inhalation, or a total number of inhalations. Control, according to the inhalation parameter, the display module to perform display in a corresponding operating mode.

Abstract: An inspection system and method, the inspection system includes: a carrying device, at least one ray source and a detector assembly. The ray source and the detector assembly are lifted or lowered along a central axis of the carrying device relative to the carrying device. When viewed along the central axis, the ray source is translatable between scanning positions relative to the carrying device. When the ray source is at one of the scanning positions the ray source and the detector assembly are lifted or lowered relative to the carrying device along the central axis, and the ray source emits X-rays; and when the ray source and the detector assembly are lifted or lowered a predetermined distance the ray source translates to another scanning position. The inspection system further reconstructs a three-dimensional scanning image of the object to be inspected based on detection data of the detector assembly.

Abstract: Heat pipes and low-pressure working fluids used for heat pipes are described, by charging the low pressure working fluids with a level of non-condensable gases of less than 1% by volume, and the heat pipes can provide better thermal performance than aluminum plates while little or no additional cost is introduced for degassing.

Abstract: Provided are an inspection method, and an inspection system including: at least one ray source; a detector assembly and a conveying device. At least one ray source and the detector assembly may move in a traveling direction relative to the conveying device, so that the to-be-inspected object may enter an inspection region. When viewed along a central axis of the inspection region, at least one ray source may translate between scanning positions, and a translation distance of at least one ray source between two adjacent scanning positions is greater than a spacing between adjacent target spots of each ray source. When at least one ray source is located at one scanning position, at least one ray source and the detector assembly move in the traveling direction and at least one ray source emits X-rays. After moving a predetermined distance, at least one ray source translates to another scanning position.

Abstract: A ray scanning apparatus, including: a conveying device for conveying an object under inspection to pass through a scanning area; a ray source assembly including a plurality of ray source modules arranged around the scanning area on an upper side of the conveying device and fixed in a plane perpendicular to a conveying direction of the object under inspection; and a detector assembly including a plurality of detector sets fixed in a plane perpendicular to the conveying direction of the object under inspection; the detector assembly is located between the ray source assembly and the scanning area in a direction perpendicular to the conveying direction of the object under inspection, the ray source assembly and the detector assembly are arranged to overlap at least partially in the conveying direction of the object under inspection, and the plurality of ray source modules are mounted and detached independently of each other.

Abstract: An inspection system, including: a carrying device; at least one ray source and a detector assembly. When the at least one ray source is located at one of scanning positions relative to the carrying device, the at least one ray source and the detector assembly are lifted or lowered along the rotation axis relative to the carrying device and the at least one ray source emits X-rays. After the at least one ray source and the detector assembly are lifted or lowered a predetermined distance relative to the carrying device, the at least one ray source rotates around the rotation axis relative to the carrying device to another one of scanning positions. The inspection system further reconstructs a three-dimensional scanning image of the object to be inspected based on detection data of the detector assembly.

Abstract: This application provides an example optical lens, an example camera module, and an example terminal. One example lens includes a first lens with a negative focal power, a second lens with a positive focal power, a third lens with a negative focal power, a fourth lens with a positive focal power, a fifth lens with a positive focal power, a sixth lens with a focal power, and a seventh lens with a focal power that are sequentially arranged along an optical axis from an object side to an image side. The first lens includes an object side surface that is concave near the optical axis and an image side surface that is convex near the optical axis. The seventh lens is an M-shaped lens and includes an object side surface that is convex near the optical axis and an image side surface that is concave near the optical axis.

Abstract: A lithium-containing material is white powder. The lithium-containing material contains components of lithium (Li), aluminum (Al), phosphorus (P), fluorine (F) and oxygen (O) elements. The contents of the elements in mass ratio are as follows: the content of the lithium element is greater than 0% and less than or equal to 12%, the content of the aluminum element is 5%-40%, the content of the phosphorus element is 1%-35%, the content of the fluorine element is 0.4%-22%, and the content of the oxygen element is 2%-34%. The lithium-containing material is used as an electrode additive material or diaphragm coating material of a lithium-ion battery.

Abstract: An inspection system and method, the inspection system includes: a carrying device, at least one ray source, where each ray source includes a separate housing to define a vacuum space and a plurality of target spots enclosed within the housing; and a detector assembly. The at least one ray source and the detector assembly are lifted or lowered along a central axis of the carrying device relative to the carrying device. When viewed along the central axis, the ray source is translatable between scanning positions relative to the carrying device. When the ray source is at one of the scanning positions, the ray source and the detector assembly are lifted or lowered along the central axis, and the ray source emits X-rays; and when the ray source and the detector assembly are lifted or lowered a predetermined distance, the ray source translates to another one of the scanning positions.

Abstract: A lens includes a first surface and a second surface that are opposite to each other. The first surface has a first optical structure. The first optical structure includes a plurality of first micro-lenses and a plurality of second micro-lenses. The first micro-lenses and the second micro-lenses are cylindrical lenses, and an axial meridian of the first micro-lenses is parallel to an axial meridian of the second micro-lenses. A curvature radius and/or a first clear aperture of the first micro-lenses is different from a second curvature radius and/or a clear aperture of the second micro-lenses. The second surface has a second optical structure.