Abstract: A compound having a BCL-XL protein degradation function as shown in Formula I and a use thereof in preparation of a drug for diseases associated with BCL-XL activity.

Abstract: A time synchronization method is provided for a time synchronization device, wherein the time synchronization device runs a plurality of precision time protocol (PTP) instances to connect to a plurality of time synchronization domains respectively. The time synchronization method includes determining whether a frequency of a local PTP clock of the time synchronization device is changed; and updating a frequency of a local clock of the time synchronization device with the frequency of the local PTP clock in response to the frequency of the local PTP clock being changed.

Abstract: A time synchronization method used for a time synchronization device is provided. The time synchronization device runs a plurality of Precision Time Protocol (PTP) instances to connect to a plurality of time synchronization domains through a plurality of ports. The time synchronization method includes selecting a grandmaster (GM) clock from the plurality of time synchronization domains; updating clock information of the grandmaster clock; determining whether each of the plurality of ports is a time receiving port or a time transmitting port according to the grandmaster clock; modifying clock attributes of each of the plurality of PTP instances according to whether the corresponding port is the time receiving port or the time transmitting port; and synchronizing, by the plurality of PTP instances, timings of the plurality of time synchronization domains according to the grandmaster clock.

Abstract: The present application provides a method for battery charge management, which includes: acquiring current time and historical power supply data when a preset condition for switching a charge mode of a battery is met; determining a corresponding predicted charge mode according to the historical power supply data; and updating a current charge mode of the terminal according to the predicted charge mode. The method for battery charge management can reasonably predict the power supply situation of the terminal at the current time based on the historical power supply data that can characterize usage habits of a user.

Abstract: A non-pneumatic hollow tire includes a tire body, a spiral channel is defined in the tire body, the spiral channel is through from a head end to a tail end. The manufacturing method of the non-pneumatic hollow tire with this structure includes: winding a strip with through hole in a stacked manner in a plurality of layers to form a structure in the tire cavity, then curing it to complete the non-pneumatic hollow tire.

Abstract: A biochip includes a substrate, an insulating layer, a semiconductor layer, a dielectric layer, a metal layer, and a protective layer. The semiconductor layer is disposed on the insulating layer and has a reaction region. The dielectric layer is disposed on the semiconductor layer and has a first opening. The metal layer is disposed on the dielectric layer and includes a source, a drain, and a wall structure. The wall structure surrounds the first opening, the source, and the drain. The protective layer is disposed on the metal layer and has a flat part, a protruding part, a second opening, and a third opening. The flat part surrounds and defines the second opening. The protruding part is disposed corresponding to the wall structure, and the protruding part surrounds and defines the third opening. The second opening connects the third opening and the first opening to expose the reaction region.

Abstract: A ventilation system comprises a ventilation fan with a lamp for installing to a ceiling having an installation opening. The ventilation fan comprises a housing, a fan module, a power box, a junction box, a lamp module and a support. The housing has a first opening and an air outlet. The fan module comprises an inlet opening and an outlet opening. The outlet opening communicates with the air outlet. The power box has a first circuit board. The lamp module and the housing are located at opposite sides of the installation opening. The junction box is electrically connected to the first circuit board and the lamp module. The impeller comprises a hub, and a ratio of a height of the hub to a height of the housing is less than 0.5. A ratio of a height of the impeller to a height of the housing is greater than 0.65.

Abstract: A method for differentiable architecture search based on a hierarchical grouping mechanism includes: obtaining a target dataset; selecting a set number of normal cells and two reduction cells; enabling the reduction cells to be located at ? and ? of all cells, respectively, and then concatenating all cells to form an initial search network; training the initial search network to optimize a cost function to complete a one-level search or a two-level search, wherein in the one-level search, control weight parameters are shared by the inter-group operations and are shared by the intra-group operations among the cells; and in the two-level search, the control weight parameters are shared by the inter-group operations and are not shared by the intra-group operations, obtaining normal cells and reduction cells based on the one-level search or the two-level search; and constructing a target network using the normal cells and the reduction cells.

Abstract: A housing for an electronic device can include an exterior titanium portion, an interior metal joined to the exterior titanium portion, the interior metal being a different metal than the exterior titanium portion, and an intermetallic compound having a thickness of less than 1 ?m disposed between the interior metal and the exterior titanium portion.

Abstract: A computer-implemented method, system, and computer program product for identifying application programming interface relationships of a product. Entity information for the product is generated. The entity information identifies a plurality of entities of the product, attributes of the entities, and relationships between the entities. The plurality of entities include application programming interfaces of the product and other entities of the product. The entity information is processed by a graph attention network to identify degrees of relationships between the application programming interfaces and the entities of the product.

Abstract: The present application provides a device power supply method and apparatus, a terminal device and a storage medium, and relates to the technical field of device power supply. The device power supply method comprises: obtaining historical power supply data of a target device, wherein the historical power supply data comprises at least two power supply data sets, and sampling times of power supply data contained in any two power supply data sets are not exactly the same; selecting a target power supply data set from the at least two power supply data sets on the basis of data statistical parameters respectively corresponding to the at least two power supply data sets; determining a power supply mode of the target device according to the target power supply data set; and using the power supply mode to power the target device. The device of the present application can be safely powered.

Abstract: Provided is a method and an apparatus for evaluating welding arc stability, a device and a medium, and belongs to the technical field of welding. The method includes: determining a plurality of indexes for evaluating arc stability, reference index values of each index and a number of evaluation levels according to sample acoustic emission signals; determining reference membership degrees of different indexes to different evaluation levels according to the reference index values of each index; determining an index value to be measured of each index according to the acquired acoustic emission signals to be measured; determining the membership degree to be measured of each index according to the index value to be measured of each index; and evaluating a level of the arc stability according to the membership degrees to be measured and the reference membership degrees.

Abstract: Electric vehicle charging management methods and systems for community users are provided. A server receives a charging request via a network from a charging station or a mobile device, wherein the charging request includes at least a user identification code and a charging station identification code. A specific household in a community is retrieved from a database according to the user identification code. The server instructs the charging station to perform a charging operation through the network, and continuously obtains charging status information from the charging station, wherein the charging status information includes at least a charging time or a charging power. When the server receives a charging end signal from the charging station, a charging fee is calculated based on the charging status information, and generates bill information for the specific household information in the community based on the charging fee.

Abstract: The present disclosure provides a connection mechanism having a shield, an electric energy transmission apparatus and a motor vehicle, in which the connection mechanism includes a functional cable, a plug-in terminal, a protective conductor, a grounding terminal, an inner shell integrally formed with the functional cable and the plug-in terminal, and a protective shielding shell disposed on at least part of an outer periphery of the inner shell; the functional cable is provided having a shielding layer, one end of the protective shielding shell is at least partially electrically connected to the shielding layer, and the other end thereof is at least partially electrically connected to the protective conductor or the grounding terminal; the connection mechanism having a shield is provided with the inner shell which is integrally injection-molded with the functional cable and the plug-in terminal.

Abstract: A connecting mechanism, an electrical energy transmission device and a motor vehicle, in which the connecting mechanism includes a male-end connecting mechanism and a female-end connecting mechanism, in which a male-end shell connected to the busbar and the flat terminal; the female-end connecting mechanism includes a plug-in terminal and a female-end shell connected to the plug-in terminal; the male-end connecting mechanism is electrically connected to the plug-in terminal in the female-end connecting mechanism through the flat terminal, and the male-end shell is connected to the female-end shell to form the connecting mechanism. The busbars are stacked at a proper interval to effectively reduce the electromagnetic interference to other parts after the busbars are energized, thereby achieving the goal of canceling a shielding layer structure of high-voltage charging harnesses and reducing the cost and weight.

Abstract: The present disclosure provides a high-voltage connecting mechanism, an electrical energy transmission apparatus and a motor vehicle. The high-voltage connecting mechanism includes: a male-end connecting mechanism and a female-end connecting mechanism, in which the male-end connecting mechanism comprises a first cable, a plug-in terminal, a male-end housing integrally formed with the first cable and the plug-in terminal, and a male-end shielding shell disposed outside the male-end housing; the female-end connecting mechanism includes a mating terminal, a second cable, a mating terminal, a female-end housing integrally formed with the second cable and the mating terminal. By means of plugging cooperation of the male-end shielding shell and the female-end shielding shell, and an electrical connection with a cable shielding layer, an electromagnetic interference in the high-voltage connecting mechanism can be effectively shielded, and an electromagnetic interference with other devices can be reduced.

Abstract: A flat-belt type connecting mechanism, an electric energy transmission device and a motor vehicle. The flat-belt type connecting mechanism includes a male-end connecting mechanism and a female-end connecting mechanism. The male-end connecting mechanism includes a busbar, a flat terminal, and a male-end housing connected to the busbar and the flat terminal. The female-end connecting mechanism includes a double-busbar, a clamping terminal, and a female-end housing connected to the double-busbar and the clamping terminal. The male-end connecting mechanism and the female-end connecting mechanism are electrically connected to each other through the clamping terminal and the flat terminal, and the male-end housing and the female-end housing are assembled and connected to each other, to form the flat-belt type connecting mechanism.