Abstract: Disclosed are an electromagnet current control method and a related assembly, which relate to the field of maglev train control. First, a current difference between a preset current and an actual current of an electromagnet is determined, the sum of the preset current and the current difference is used as a current increment, and the sum of the preset current, the current difference, and a preset current offset is used as a current negative increment, wherein the preset current offset is a negative value. Finally, a manner of adjusting a current on the electromagnet and a rate of adjusting the current is determined by combining a result of comparing the current increment with the actual current and a result of comparing the current negative increment with the actual current.

Abstract: An integrated vehicle rack may include a plastic wheel support for supporting the bicycle wheels, a flip locking device for flipping the plastic wheel support, and a square-mouth connecting device for connecting an external vehicle, wherein the plastic wheel support and the square-mouth connecting device are both connected to the bottom of the flip locking device; the flip locking device comprises a lower bracket, an upper bracket, a flip structure, and a locking structure. The square-mouth connecting device comprises a square-mouth tube and a connecting device. The flip locking device allows the user to easily lock or unlock the upper bracket and the lower bracket without tools, which facilitates the opening of the trunk door and greatly improves the flexibility of use and user experience.

Abstract: Some embodiments include a solar module assembly with a solar module, short edges, long edges, and corner tabs, where at least one of the short edges and the long edges include the corner tabs. Some embodiments include a solar module assembly with a solar module, short edges including a first plurality of protrusions, long edges including a second plurality of protrusions, and corner joints including a plurality of openings, where the plurality of openings lock with the first plurality of protrusions and the second plurality of protrusions. Some embodiments include a method of forming a solar module assembly, the method including preparing joining components of a solar module frame, positioning the edges and solar module for assembly, applying sealant to one or more of the edges, and assembling the edges and the solar module into the solar module assembly.

Abstract: This patent application relates to a feeding device for tubular component, which includes: a first driver and a first wheel set; and, a second driver and a second wheel set; wherein, the tubular component can be clamped between the first and second wheel sets, and be driven to move under the friction action of the first and second wheel sets; the first wheel set has a plurality of first driving wheels, travelling directions of which are parallel to each other, and form an angle with an extension direction of a clamped portion of the tubular component, the angle being an acute angle; the second wheel set has a plurality of second driving wheels, travelling directions of which are parallel to each other. The technical solution of the present application involves a simple structure, low cost, and ingenious principle, and has applicability to both rigid and flexible tubular components.

Abstract: A consumable extrusion control system, a consumable extrusion control method and a consumable extrusion control device are provided. The consumable extrusion control system includes: a main body; a plurality consumable chambers coupled to the main body through respective pipelines; a plurality of first driving assemblies arranged on the respective pipelines for the consumable chambers, and configured to provide a driving force for consumables in the consumable chambers; and a control unit arranged at the main body, and configured to control and switch a corresponding first driving assembly to operate, to deliver the consumable from a corresponding one of the consumable chambers to the main body.

Abstract: Various embodiments include a testing apparatus capable of testing gas flowing in a duct. The apparatus may include: a housing; a sampling tube extending from the housing to be inserted into the duct, the sampling tube including a gas entry channel and a gas exit channel isolated from each other, with a gas inlet of the gas entry channel and a gas outlet of the gas exit channel disposed in a part of the sampling tube leading into the duct and disposed at the same side of the sampling tube, wherein the gas inlet and the gas outlet have matching gas through-flow areas; and a sensor module disposed in the housing and in gas communication with the gas entry channel to test gas sampled from the gas entry channel.

Abstract: Disclosed is a mutant of a wild-type RSV F protein. The binding experiment of a pre-fusion conformation trimer-specific monoclonal antibody AM14 shows that the mutant provided in embodiments can have strong activity of binding to the AM14 monoclonal antibody, while the wild-type RSV F protein before artificial mutation has no activity of binding to the AM14 monoclonal antibody. The accelerated stability test result shows that the activity of binding of the mutant provided in the embodiments when placed in a 37° C. environment for four weeks to the AM14 monoclonal antibody does not change obviously. The animal immune experiment result shows that compared with the wild-type RSV F protein before artificial mutation, the mutant provided in the embodiments can induce production of a neutralizing antibody having a higher titer.

Abstract: A method for determining a size of a cell terminal post is provided in the disclosure. The method includes the following. A cell structural model of a cell is established, where the cell structural model includes a terminal-post model of the terminal post, and the terminal-post model has multiple pre-determined initial terminal-post sizes. The cell structural model and each of the multiple pre-determined initial terminal-post sizes are input into a pre-built thermal simulation model for thermal simulation processing, to obtain temperature data for each of the multiple pre-determined initial terminal-post sizes. All target terminal-post sizes of the terminal post are determined.

Abstract: Described herein are systems and methods for reducing damage to solar tracker systems during severe weather, such as hailstorms. In one example, a solar module assembly, with edge protection against hail damage, includes a solar module that holds a plurality of photovoltaic cells, the solar module having a front surface and a sidewall extending from the front surface. A frame having a frame wall, which includes a first wall, is disposed about a perimeter of the solar module sidewall and supports the solar module. Further, a hail absorption wall extends along and is spaced from the first wall. The hail absorption wall is attached to the frame and resilient and deflectable towards the first wall. The hail absorption wall absorbs impact energy from hail falling in a direction towards the first wall.

Abstract: In aspects, techniques for detecting and discriminating foreign objects near an inductive wireless power transfer system is disclosed. The method is based on hybrid inductive and capacitive sensing. The apparatus includes a sensing system, a measurement circuit, and a controller. The sensing system senses the object based on at least one of an inductive or a capacitive effect. The sensing system includes an inductive sense element, which has an electrical characteristic that changes in a presence of the object based on the inductive effect. The sensing system further includes a capacitive sense element, which has an electrical characteristic that changes in the presence of the object based on the capacitive effect. The measurement circuit measures the electrical characteristics in the inductive and capacitive sense circuits. The controller determines the presence of the object, and discriminates between metallic and non-metallic objects based on the change in the measured electrical characteristics.

Abstract: Provided are a check-in button display method, an apparatus, an electronic device, and a readable storage medium, which is applied to a mobile terminal device. At least part of a virtual interaction scene is displayed in a graphical user interface of the mobile terminal device, the virtual interaction scene includes a first virtual character module controlled by a first user and a second virtual character module controlled by another user, and a check-in button is further displayed in the graphical user interface. The method includes: real-time acquiring current external data, wherein the external data comprises one or more of following: position data, environment data, and motion data; determining a display manner of the virtual doll according to the external data; and updating the display manner of the virtual doll in the graphical user interface according to the display manner, to prompt the state where the first user currently is.

Abstract: The present disclosure provides an information interaction method, an apparatus, an electronic device, and a computer-readable storage medium, wherein the method includes: performing a real-time collection of voice information to generate voice collection data in response to a first touch operation on a check-in button; performing semantic recognition on the voice collection data to determine a semantic recognition result of the voice collection data; determining an update strategy for a first virtual character module according to the semantic recognition result; and updating the first virtual character module according to the determined update strategy, so that an update result can be displayed in graphical user interfaces of a first user and other users. Through the method, accuracy, convenience, and diversity of check-in information are enhanced.

Abstract: Provided is a display panel, including: a substrate; an auxiliary electrode on a side of the substrate; an insulating layer on a side, distal from the substrate, of the auxiliary electrode and a first via running through the insulating layer, the first via exposing the auxiliary electrode and being in an undercut shape; an anode layer on a side, distal from the substrate, of the insulating layer; a light emitting layer on a side, distal from the substrate, of the anode layer, the light emitting layer being broken at an opening in a side, distal from the substrate, of the first via into a first part and a second part; and a cathode layer on a side, distal from the substrate, of the light emitting layer, the cathode layer being coupled with the auxiliary electrode along a side wall of the first part of the light emitting layer.

Abstract: A light-emitting substrate includes: a substrate; and at least one coupling portion and at least one auxiliary cathode pattern disposed on the substrate. Each auxiliary cathode region is provided with a coupling portion and an auxiliary cathode pattern coupled to the coupling portion. The auxiliary cathode pattern includes at least one disconnection portion, and each disconnection portion includes first, second and third conductive pattern layers. An orthographic projection of an edge of the second conductive pattern layer on the substrate is located within orthographic projections of edges of the third and first conductive pattern layers on the substrate. A total perimeter of at least one orthographic projection, on the substrate, of at least one edge of at least one third conductive pattern layer in the at least one disconnection portion is greater than a perimeter of an orthographic projection of an edge of the auxiliary cathode region on the substrate.

Abstract: A battery cell includes a packaging bag, a first electrode plate, and a second electrode plate. A second portion of the packaging bag is recessed with respect to a first portion to form a first concave portion on an outer surface of the packaging bag. A second zone of the second electrode plate is recessed with respect to a first zone to form a second concave portion on the second electrode plate. In an extending direction of a first tab, a dimension by which the first zone extends beyond the first electrode plate is denoted as a1, a dimension by which the second zone extends beyond the first electrode plate is denoted as a2, and 0.2 mm?a1?a2?4 mm.