Abstract: Disclosed is a detection device for a working surface. The detection device (100) comprises: a plurality of hydraulic supports (101), a laser ranging set (102), a displacement sensor (103), a hydroelectric signal conversion module (104), and a support controller (105) which are disposed on a working surface. The laser ranging set (102) is disposed below a top beam of a first target hydraulic support among the plurality of hydraulic supports and parallel to a post of the first target hydraulic support, and is configured to determine error length and send the error length to the hydroelectric signal conversion module (104). The displacement sensor (103) is configured to at least obtain the degrees of inclination of the hydraulic supports (101) and send the degrees of inclination to the hydroelectric signal conversion module (104).

Abstract: Disclosed are methods, systems, and computer-readable medium to perform operations including: determining that a user equipment (UE) is connected to a cell of a network using a connection in a standalone (SA) mode; based on determining a bandwidth part (BWP) of the connection, accessing a physical cell identifier (PCI) list associated with the UE for a time period; based on the number of PCI values in the list and a duration of the time period, assigning, to a BWP switch timer, a timeout value; initiating the BWP switch timer; and in response to determining that the handover of the UE to the different cell of the network occurs prior to the BWP switch timer reaching the timeout value, causing the UE to switch to a LTE mode.

Abstract: A low-voltage power supply system includes: a storage battery; an electric control circuit board, the electric control circuit board being connected with the storage battery, a battery management controller (BMC) and a motor controller being integrated on the electric control circuit board, and the motor controller being configured to control a power module; a control circuit being connected with the BMC and being configured to receive a control command of the BMC; a metal-oxide-semiconductor field-effect transistor (MOSFET) connected with the control circuit; and a battery management system. A contactor is arranged in the battery management system. The MOSFET is connected with the contactor and mounted to the electric control circuit board or the battery management system. The BMC is configured to control on/off of the MOSFET through the control circuit, to implement connection/disconnection between the storage battery and the contactor.

Abstract: An integrated controller includes: a box; a controller and a charging/discharging converter disposed in the box; and a high-voltage interface assembly including a high-voltage interface disposed on the box and a high-voltage connector disposed in the box. The high-voltage connector is connected with the high-voltage interface, the controller, and the charging/discharging converter to receive and distribute a high-voltage battery signal.

Abstract: This application discloses an electronic device, a control method and control apparatus therefor, and a readable storage medium. The electronic device includes a first housing, a second housing, a flexible display, a sound emitter, a first sound receiver, a second sound receiver, and a third sound receiver. The sound emitter is disposed inside the first housing, and the sound emitter is in communication with the outside via a first sound outlet hole. The first sound receiver is disposed inside the second housing, and the first sound receiver is in communication with the outside via a first sound receiving hole. The second sound receiver and the third sound receiver are both disposed inside the first housing, the second sound receiver is in communication with the outside via a second sound receiving hole, and the third sound receiver is in communication with the outside through a third sound receiving hole.

Abstract: A device for separating and recovering flat-plate catalyst powder and a method for determining a wear ratio are provided. The device includes a powder separation unit and a powder recovery unit, a powder accumulation bin is respectively connected with a shell and a catalyst powder outlet, a cyclone outlet is configured on an inner side of a recovery shell, and a primary filter and a secondary filter are configured on an inner side wall of the recovery shell.

Abstract: An electronic device including a device housing and a sound generating module. The device housing includes a first housing portion and a second housing portion. The first housing portion is movably disposed on the second housing portion to enable the electronic device to switch between a first state and a second state. The sound generating module is located on either the first housing portion or the second housing portion. The sound generating module is provided with a first rear cavity and a first connecting hole communicating with the first rear cavity. The electronic device is able to form a second rear cavity. In the first state, the first rear cavity communicates with the second rear cavity via the first connecting hole. In the second state, the first connecting hole is blocked.

Abstract: Provided is a method for producing an antibody-drug conjugate intermediate by addition of acid. An acid additive is used to convert the monomethyl auristatin derivative into a salt thereof to participate in the reaction. The addition of the acid additive can significantly improve the yield of the final product. In addition, the low price of the acid additive greatly reduces the production cost of the final ADC product. Moreover, the method of the present invention adopts a one-step preparation process, in addition to a higher yield of the final product, not only reducing the cost of the consumables, labor, equipment, site, raw materials and the like in the production, but also greatly reducing the production of the waste liquid, and thus reducing production costs and improving production efficiency, and making the method suitable for industrial large-scale production.

Abstract: An electronic device includes a display module, a middle frame, a sound-emitting assembly, a first circuit board, a first structural member, and a back shell. The middle frame is provided with an accommodating groove. The display module is disposed in the accommodating groove. The sound-emitting assembly, the first circuit board, the first structural member, and the back shell are disposed on a side, away from the display module, of the middle frame. The sound-emitting assembly, the first circuit board, and the first structural member are located in an installation cavity formed by the back shell and the middle frame. The sound-emitting assembly includes a housing and a sound-emitting component. The housing is provided with a first cavity, and the sound-emitting component is located in the first cavity. The first structural member and the first circuit board form first space by enclosure.

Abstract: In an electronic device, a first sound generating module is disposed in a first accommodating cavity; and a second sound generating module is disposed in an accommodating space; when the first sound generating module is in a first operating state, the second sound generating module is in a second operating state, the first sound generating module outputs a first vibration signal to a housing, and the second sound generating module outputs a second vibration signal to the housing; or sound waves emitted by the first sound generating module form first sound waves in the first accommodating cavity, and sound waves emitted by the second sound generating module form second sound waves in the first accommodating cavity; or the first sound generating module outputs a first vibration signal to a housing, and sound waves emitted by the second sound generating module form second sound waves in the first accommodating cavity.

Abstract: The invention provides a new oligopeptide linker intermediate and a preparation method thereof. The preparation method of the oligopeptide intermediate is easily carried out under mild reaction conditions, and since almost no side reactions occur in the reaction, the method produces a high-purity product with fewer impurities and easy to be purified, achieving unexpected technical effects.

Abstract: An earphone includes a loudspeaker, a rear housing and a front housing. The loudspeaker is disposed in the rear housing, a sound output hole is disposed at a first end of the front housing, a second end of the front housing is rotatably connected to the rear housing, and the front housing is rotatable relative to the rear housing and between a first position and a second position. In a case that the front housing is rotated to the first position relative to the rear housing, the sound output hole faces a first direction, and the loudspeaker is configured to output a first channel audio signal. In a case that the front housing is rotated to the second position relative to the rear housing, the sound output hole faces a second direction, and the loudspeaker is configured to output a second channel audio signal.

Abstract: Provided is an antibody-drug conjugate (ADC) using one or more cysteine or derivatives thereof as linkers to couple one or more drugs at the limited binding sites of an antibody, making it possible to produce an ADC product with high drug payload, or to choose a drug with less toxicity, thereby obtaining an ADC product with wide therapeutic window. In addition, since a plurality of drugs may be coupled to one binding site, the ADC products obtained by the method of the present disclosure have better uniformity in the case of same DAR value. Moreover, the amount of antibody required for production may be greatly reduced, thereby lowering the cost. Compared with the antibody-drug conjugates coupled only one drug, the antibody-drug conjugates produced by the method of the present disclosure have the same inhibition or killing effect on tumor cells while using fewer drugs for coupling to the same site.

Abstract: Smart glasses are disclosed, including a glasses body (100) and temples (200), where the glasses body (100) and the temples (200) are rotatably connected, at least one of the glasses body (100) and the temples (200) is provided with a first electrical connector (300), and the smart glasses include a folded state and an unfolded state; in a case that the smart glasses are in the folded state, the first electrical connector (300) is exposed on the smart glasses; and in a case that the smart glasses are in the unfolded state, the first electrical connector (300) is covered by at least one of the glasses body (100) and the temples (200).

Abstract: The present application relates to a metal-nucleic acid nanoparticle which is a nanoparticle having a spherical structure formed by assembly of metal ions with nucleic acids via coordination. The preparation thereof is mixing a metal ion solution with a nucleic acid solution to obtain a mixture followed by vortex, heating, centrifugation, washing with water and resuspension to obtain the metal-nucleic acid nanoparticles.

Abstract: The application provides a task scheduling simulation system, comprising a data preprocessing subsystem and a task scheduling subsystem. The data preprocessing subsystem filters the input cloud computing log information for abnormal data and extracts the running time of each task. The task scheduling subsystem enqueues or dequeues tasks from the batch task and real-time task running queues of each node, and keeps the tasks currently running in the cluster consistent with the actual production environment, and updates the number of CPU cores and the used and available memory capacity of each node according to resource requirement of each task. The mixed scheduling simulation of batch tasks and online tasks can be realized, and the resource simulation of the heterogeneous CPU core number and memory capacity of the cluster nodes can be simulated.

Abstract: A hinge, an electronic device, and an electronic device control method are provided. The electronic device control method includes: when detecting that an electrical signal changes, obtaining a first electrical signal between a first metal plate and a second metal plate; and determining a first folding angle of a hinge according to the first electrical signal; and controlling the electronic device according to the first folding angle.

Abstract: Disclosed are a display substrate, a display device, a manufacturing method and a repairing method. A capacitor structure in the display substrate includes a first electrode and a second electrode. The first electrode includes a first main body portion extending in a first direction, first branch portions extending in a second direction, and a first connection portion connecting the first branch portions to the first main body portion. The second electrode includes a second main body portion extending in the first direction, second branch portions extending in the second direction, and a second connection portion connecting the second branch portions to the second main body portion. One side of the first electrode having the first branch portions faces one side of the second electrode having the second branch portions, and each first branch portion and a corresponding second branch portion form a capacitor.

Abstract: The present disclosure provides an electronic device, including: a first shell, a driven component, and a first control component, where the first control component is disposed in the first shell or on the driven component, an accommodation hole is formed on the first shell, and the driven component may be retracted into the first shell or may be at least partially protruded from the shell through the accommodation hole.

Abstract: Provided is a method for producing an antibody-drug conjugate intermediate by addition of acid. An acid additive is used to convert the monomethyl auristatin derivative into a salt thereof to participate in the reaction. The addition of the acid additive can significantly improve the yield of the final product. In addition, the low price of the acid additive greatly reduces the production cost of the final ADC product. Moreover, the method of the present invention adopts a one-step preparation process, in addition to a higher yield of the final product, not only reducing the cost of the consumables, labor, equipment, site, raw materials and the like in the production, but also greatly reducing the production of the waste liquid, and thus reducing production costs and improving production efficiency, and making the method suitable for industrial large-scale production.