Abstract: A stratum reinforcement modeling and analysis method for a shield tunnel crossing an existing structure is provided. Geological information and an engineering structure condition of the existing structure are acquired. Physical parameters of different soil mass layers are determined based on a laboratory test. A three-dimensional (3D) model is constructed. Mesh generation is performed on the 3D model defining a constraint for the 3D model. Model parameters are selected for the 3D model. A soil mass constitutive model is selected for the 3D model. Synchronous grouting simulation, construction load simulation and shield tunneling construction simulation are performed on the 3D model. Stratum parameters are changed to achieve stratum reinforcement modeling. Data analysis is performed by adopting different reinforcement schemes to achieve stratum reinforcement modeling and numerical analysis of the process of the shield tunnel crossing the existing structure.

Abstract: A method for calculating a cutterhead load during shield cutting of a diaphragm wall with a steel I-beam is provided. Numerical model parameters and operating state parameters of numerical simulation models are determined. The numerical simulation models are constructed. A disc cutter cutting linear velocity and a time interval between two adjacent disc cutter cutting actions are changed, and an interaction process between disc cutters varying in position on a cutterhead and the steel I-beam joint is simulated. Force-time mapping relationships of the disc cutters are outputted. Each disc cutter is numbered. A disc cutter database is constructed. The disc cutters are partitioned. Time parameters of each disc cutter are defined. A validity of the time parameters at a preset moment is evaluated. Valid time parameters are calculated. Vertical forces and rolling torques of the disc cutters with the valid time parameters are summed to calculate the cutterhead load.

Abstract: A shield cutterhead for cutting a diaphragm wall with steel I-beam comprises a cutterhead body, a plurality of main cutter beams, an auxiliary cutter beam, a central double-disc roller cutter, and a tool group. The central double-disc roller cutter is arranged at a center of a working face of the cutterhead body and connected to the plurality of main cutter beams. The plurality of main cutter beams are arranged radially along the cutterhead body. The auxiliary cutter beam is arranged between adjacent main cutter beams. The tool group is mounted on the plurality of main cutter beams and the auxiliary cutter beam. Each of the central double-disc roller cutter, the plurality of main cutter beams, and the auxiliary cutter beam are arranged in six different tiers from a center to an edge of the cutterhead body based on heights of the central double-disc roller cutter and the tool group.

Abstract: An X-ray detector includes a network chip, a power supply and a sensing circuit; the sensing circuit includes a power-supply managing chip, and the power-supply managing chip is electrically connected to the network chip and the power supply; the power supply is configured for supplying electric power to the network chip and the power-supply managing chip of the sensing circuit; the power-supply managing chip is configured for, when turned on, supplying electric power to the sensing circuit; the sensing circuit is configured for, when receiving a sleeping instruction sent by an external device or is not in an operating state, turning off the power-supply managing chip, to enter a sleeping state; and the network chip is configured for, when receiving an operation instruction sent by the external device, controlling the power-supply managing chip to be turned on, whereby the sensing circuit exits the sleeping state.

Abstract: A flat panel detector and an imaging system are disclosed. The flat panel detector includes: a main housing including a bottom wall and a side wall connected to the bottom wall, the bottom wall and the side wall defining an accommodating space; and a detection module in the accommodating space, the detection module including a support plate, a detection substrate, a driving circuit board, and a flexible circuit board, where the support plate includes a support surface and a bottom surface opposite to each other and a side surface connected therebetween, the detection substrate is fixed on the support surface, the driving circuit board is fixed on the support plate and is on a side of the support plate away from the detection substrate, and the flexible circuit board connects the detection substrate with the driving circuit board by passing the side surface of the support plate.

Abstract: Disclosed are a human-computer interaction method and system of a display device, which are used for providing a new interaction manner. A main control module is configured to receive an interactive instruction of a user and generate OSD data, and a data processing module is configured to superimpose and display a received video stream and the OSD data. The human-computer interaction system includes a data source generation module, a main control module and a data processing module. The data source generation module is configured to generate a video stream and send the video stream to the data processing module. The main control module is configured to receive an interactive instruction sent by a user, generate OSD data according to the interactive instruction, and transmit the OSD data to the data processing module.

Abstract: Disclosed in the present application are compounds having the activity of degrading GSPT1 and an application thereof. The compounds disclosed in the present application have the activity of degrading GSPT1, and can be used for preparing drugs for treating GSPT1 activity-related diseases.

Abstract: The present disclosure provides an eyesight protection device, an eyesight protection system and an detection method for the eyesight protection device, which belongs to the technical field of communication, and can solve some problems in the prior art. The present disclosure provides an eyesight protection device, which includes: a millimeter-wave radar detection circuit, a control circuit and an alarm circuit. The millimeter-wave radar detection circuit is configured to detect a distance between a user and a reading material read by the user. The control circuit is configured to generate a first control signal at least when it is determined that the distance detected by the millimeter-wave radar detection circuit is smaller than a first predetermined value. The alarm circuit is configured to send out an alarm signal in response to the first control signal.

Abstract: The present disclosure provides a display panel and a display device, pertains to the field of display technologies. The present disclosure provides a display panel at least including a display region. The display panel includes a base substrate and a plurality of sub-pixels disposed on the base substrate, a sub-pixel at least includes a light emitting device, and the light emitting device is located in the display region. The light emitting device includes a first electrode, a light emitting layer, and a second electrode provided in sequence in a direction facing away from a base substrate. The display panel further includes a heat conduction structure disposed on a side of the first electrode facing away from the light emitting layer, and orthographic projections of the heat conduction structure and the first electrode on the base substrate are at least partially overlapped with each other.

Abstract: An X-ray detector includes a network chip, a power supply and a sensing circuit; the sensing circuit includes a power-supply managing chip, and the power-supply managing chip is electrically connected to the network chip and the power supply; the power supply is configured for supplying electric power to the network chip and the power-supply managing chip of the sensing circuit; the power-supply managing chip is configured for, when turned on, supplying electric power to the sensing circuit; the sensing circuit is configured for, when receiving a sleeping instruction sent by an external device or is not in an operating state, turning off the power-supply managing chip, to enter a sleeping state; and the network chip is configured for, when receiving an operation instruction sent by the external device, controlling the power-supply managing chip to be turned on, whereby the sensing circuit exits the sleeping state.

Abstract: Embodiments provide a pressurizing apparatus, a battery, a battery cell, a processing method, and a production system. The pressurizing apparatus is configured to pressurize a flattened electrode assembly, and includes: a support member configured for placing the electrode assembly; and a pressurizing assembly configured to pressurize the electrode assembly, where the pressurizing assembly and the support member are disposed on two sides of a tab of the electrode assembly. The pressurizing apparatus in the embodiments can reduce the height of a flattened layer of the electrode assembly and the internal space of the battery cell occupied by the flattened layer of the electrode assembly, thus increasing the energy of the battery cell.

Abstract: A metal powder preparation system and method are provided. The metal powder preparation system includes a medium frequency smelting furnace, a homogeneous insulated quantitative pouring furnace, a precision-controlled liquid level temperature pouring ladle, and a plurality of groups of atomization mechanisms connected in sequence. The present application improves the preparation quality of the metal powder, so that the parameters such as the powder particle size, sphericity, fluidity, oxygen content, component distribution, and particle size distribution of the metal powder can all meet the requirements of high-quality metal additive manufacturing, achieving efficient and continuous preparation of the metal powder at the same time.

Abstract: A method for preparing a self-supporting composite nanofiltration membrane is provided. A porous graphene-based two-dimensional sheet material is prepared by taking amino graphene quantum dots as the main body and subjecting them to an interfacial polymerization reaction with polyacyl chloride, and then the porous graphene-based two-dimensional sheet material is encapsulated in-situ with polyamide by an in-situ encapsulating technology to prepare a self-supporting porous graphene/polyamide separation layer with excellent permeability and high selectivity.

Abstract: A flat panel detector and an imaging system are disclosed. The flat panel detector includes: a main housing including a bottom wall and a side wall connected to the bottom wall, the bottom wall and the side wall defining an accommodating space; and a detection module in the accommodating space, the detection module including a support plate, a detection substrate, a driving circuit board, and a flexible circuit board, where the support plate includes a support surface and a bottom surface opposite to each other and a side surface connected therebetween, the detection substrate is fixed on the support surface, the driving circuit board is fixed on the support plate and is on a side of the support plate away from the detection substrate, and the flexible circuit board connects the detection substrate with the driving circuit board by passing the side surface of the support plate.

Abstract: Provided are a group of 8-oxa-3-azabicyclo[3.2.1]octane compounds of formula (I) used as ATR inhibitors, and a preparation method thereof, a pharmaceutical compositions containing same, and the use thereof in the treatment or prevention of ATR-related diseases.

Abstract: Disclosed are a human-computer interaction method and system of a display device, which are used for providing a new interaction manner. A main control module is configured to receive an interactive instruction of a user and generate OSD data, and a data processing module is configured to superimpose and display a received video stream and the OSD data. The human-computer interaction system includes a data source generation module, a main control module and a data processing module. The data source generation module is configured to generate a video stream and send the video stream to the data processing module. The main control module is configured to receive an interactive instruction sent by a user, generate OSD data according to the interactive instruction, and transmit the OSD data to the data processing module.

Abstract: The present disclosure provides an eyesight protection device, an eyesight protection system and an detection method for the eyesight protection device, which belongs to the technical field of communication, and can solve some problems in the prior art. The present disclosure provides an eyesight protection device, which includes: a millimeter-wave radar detection circuit, a control circuit and an alarm circuit. The millimeter-wave radar detection circuit is configured to detect a distance between a user and a reading material read by the user. The control circuit is configured to generate a first control signal at least when it is determined that the distance detected by the millimeter-wave radar detection circuit is smaller than a first predetermined value. The alarm circuit is configured to send out an alarm signal in response to the first control signal.

Abstract: The present disclosure discloses an automatic trash bag sealing device for an automatic cat litter box and an automatic cat litter box. In the automatic trash bag sealing device, a drive motor drives a first rod and/or a second rod to rotate, thereby driving a pushing member to move towards a sealing member, and the trash bag is sealed when the sealing member is interfaced with the pushing member. The sealing device has fewer parts and is simple to assemble, effectively reducing the difficulty of process assembly and the overall cost of the automatic cat litter box.

Abstract: A method for controlling a self-service vending device to be safely opened, a server and a self-service vending system are provided.