Abstract: Provided are a series of 5,6-dihydrothieno[3,4-h]quinazoline compounds as represented by formula (P) and pharmaceutically acceptable salts thereof, and the use of the compounds or pharmaceutically acceptable salts thereof in the preparation of solid tumor drugs, such as solid tumor drugs associated with selective PLK1 inhibitors.

Abstract: A power-saving signal monitoring method includes receiving, by a UE, indication information transmitted by a network-side device; and monitoring, by the UE, a power-saving signal in a case that the UE determines that a last serving cell is a first cell based on the indication information. The network-side device is a network-side device corresponding to the first cell, and the first cell is a current camping cell.

Abstract: A device for detecting whether a wafer is present on a clamping jaw and detecting whether the wafer is parallel to a bottom of the clamping jaw. The device for detecting a wafer comprises: a wafer parallel measuring unit arranged in a CMP cleaning and drying device, and used for emitting a parallel measuring laser beam parallel to the bottom of the clamping jaw and receiving the parallel measuring laser beam; a wafer detection unit used for emitting a wafer detecting laser beam to the wafer and receiving the wafer detecting laser beam; and a detection processing unit electrically connected to the wafer parallel measuring unit and the wafer detection unit, and used for determining whether the wafer is present on the clamping jaw and whether the wafer is parallel to the bottom of the clamping jaw according to the received wafer detecting laser beam and parallel measuring laser beam.

Abstract: A class of pyrimidoheterocyclic compounds, and specifically disclosed is a compound represented by formula (III) or a pharmaceutically acceptable salt thereof.

Abstract: Disclosed is a composition for inhibiting nitrate decomposition and its preparation method, which belongs to a field of photocatalytic technology, comprising: weighing titanium dioxide and pure phase metal carbonate or pure phase metal bicarbonate proportionally; adding the weighed pure phase metal carbonate or the pure phase metal bicarbonate to titanium dioxide for grinding to obtain a metal carbonate/bicarbonate-containing mixture. The method of inhibiting nitrate decomposition using the metal carbonate/bicarbonate of the present disclosure has a significant ability to inhibit nitrate decomposition, and the experimental results show that the method of inhibiting nitrate decomposition using the metal carbonate/bicarbonate can effectively inhibit the decomposition of the nitrate under irradiation for a long time.

Abstract: An architecture of radio frequency front-end includes a power amplifier module integrated duplexer (PAMiD), an antenna and at least one tunable matching network; herein, the PAMiD includes a power amplifier, and the at least one tunable matching network is located between the power amplifier and the antenna, and is configured to adjust the impedance of the output end of the power amplifier and/or the impedance of the input end of the antenna.

Abstract: Circuit packages with a polymer layer around the bump interconnects have a reduced number of shorts between the bump interconnects and have reduced underfill delamination. The circuit package includes a first component coupled to a second component through a plurality of bump interconnects employed for passing logic signals, data signals, and/or power. The bump interconnects extend from a surface of the first component and are coupled to contact pads on an opposing surface of the second component. The side surfaces of the bump interconnects extend in a direction from the second component to the first. The circuit package includes the polymer layer disposed on the surface of the first component around the bump interconnects and on the side surfaces of the bump interconnects. The polymer layer reduces shorts between the side surfaces of adjacent bump interconnects and reduces delamination of an underfill disposed between the first and second components.

Abstract: A reinforcement learning algorithm-based predictive control method for lateral and longitudinal coupled vehicle formation includes S1, combining a 3-DOF vehicle dynamics model that takes into account a nonlinear magic formula tire model with a lane keeping model and establishing a vehicle formation model; S2, constructing a distributed control framework and designing a local predictive controller for each following vehicle based on the vehicle formation model under the control framework; S3, using a reinforcement learning algorithm to solve the optimal control strategy of the local predictive controller, and applying the optimal control strategy to the target following vehicle. The present application completes the lateral and longitudinal coupled modeling of vehicle formation and considers the nonlinear characteristics of tires. In addition, the present application also transforms the global optimization problem of vehicle formation into a local optimization problem of each following vehicle.

Abstract: Embodiments of this application provide a composite structure including a substrate layer and a functional layer disposed on a surface of at least one side of the substrate layer. The substrate layer includes a first support member and a second support member that are disposed side by side and a bendable connecting member connected to and disposed between the first support member and the second support member. A material of the first support member and the second support member includes a hard rubber fiber composite material, and the functional layer includes one or more of an electrically conductive layer, a thermally conductive layer, or an impact-resistant layer.

Abstract: Embodiments are associated with user behavior simulation. A user behavior simulation apparatus may retrieve, from a unit data store, relevant unit data. The simulation apparatus may also retrieve, from a user behavior data store, user behavior data (and train a user interest decay model based on the retrieved user behavior data) along with a unit bundle generation strategy model from a unit bundle generation strategy data store (and initialize control parameters of the unit bundle generation strategy model). The system may then initialize control parameters of an A/B treatment generation strategy model and repeatedly simulate user interest in unit bundles using the relevant unit data, the user interest decay model, the unit bundle generation strategy model, and the A/B treatment generation strategy model. Based on the simulated user interest in unit bundles, statistics associated with bandit strategy results are collected and transmitted when at least one evaluation condition is satisfied.

Abstract: A three-dimensional isolator for vibration-seismic dual control. The three-dimensional isolator comprises an isolator body and isolator components, wherein the isolator body comprises a plurality of middle-layer connecting plates and a plurality of rubber module units, the middle-layer connecting plates are vertically arranged at intervals, and the rubber module units are arranged on the upper surfaces and the lower surfaces of the middle-layer connecting plates in parallel and connect the middle-layer connecting plates into a whole; and the isolator components comprise cover plate components and pre-tightening pieces, the cover plate components comprise an upper cover plate, a lower cover plate and side walls which define an isolator cavity, a flange plate is arranged on the top of the side wall, a gap is reserved between the upper cover plate and the flange plate.

Abstract: Disclosed is a method for tuning stiffness of a servo system, including: reconstructing a characteristic signal of a servo system; calculating a vibration characteristic covariance coefficient of the servo system according to the characteristic signal; and tuning the stiffness of the servo system according to the calculated vibration characteristic covariance coefficient. By reconstructing the characteristic signal of the servo system, relationships between parameters of the system and the characteristic signal of the system are determined, and then, system stiffness tuning is carried out by calculating the vibration characteristic covariance coefficient of the system. In the process of tuning the stiffness of the servo system, a tuning judgment is made according to the system's own parameters without relying on a special locus, thus increasing the compatibility and intelligence degree of an algorithm.

Abstract: An elastic wave cloaking lattice-based metamaterial for cloaking an object within a void includes a lattice of connected unit cells arranged to form a void, each unit cell comprising a mass and a plurality of connecting springs, the mass coupled by the plurality of connecting springs to masses in adjacent unit cells, the plurality of connecting springs comprising at least two large springs of a first length and at least two short springs of a second length, the first length greater than the second length, the springs and masses having relational and mechanical characteristics to facilitate elastic wave cloaking in the totality of the lattice. The lattice as a whole has metamaterial properties resulting from the positional relationship and mechanical properties of masses and connecting springs of the unit cells such that the lattice at least partially cloaks an object or material portioned within the void from elastic waves.

Abstract: A device for detecting whether a wafer is present on a clamping jaw and detecting whether the wafer is parallel to a bottom of the clamping jaw. The device for detecting a wafer comprises: a wafer parallel measuring unit arranged in a CMP cleaning and drying device, and used for emitting a parallel measuring laser beam parallel to the bottom of the clamping jaw and receiving the parallel measuring laser beam; a wafer detection unit used for emitting a wafer detecting laser beam to the wafer and receiving the wafer detecting laser beam; and a detection processing unit electrically connected to the wafer parallel measuring unit and the wafer detection unit, and used for determining whether the wafer is present on the clamping jaw and whether the wafer is parallel to the bottom of the clamping jaw according to the received wafer detecting laser beam and parallel measuring laser beam.

Abstract: Provided is a pressure regulating method in a vehicle, comprising the following steps: S1, detecting a pressure value P in a vehicle compartment; and S2, regulating and correcting the angle of a waste exhaust valve by a control apparatus according to a starting command until target requirements are met. A pressure regulating apparatus in a vehicle for realizing the pressure regulating method is further comprised. The pressure in a vehicle compartment is regulated by regulating the angle of an exhaust valve, so that the pressure in the vehicle compartment is always controlled within a reasonable range, and the problem of pressure change in a vehicle during the operation of the vehicle is solved; meanwhile, comfort of sitting in the vehicle is achieved, and the cost of testing is lowered.

Abstract: A programmable metasurface and method is described having a plurality of parallel slits in an elastic substrate plate defining a plurality of unit cells, each having an actuator beam and a sensing beam with a slit therebetween. Each sensing beam has a pair of sensors for sensing flexural waves in the substrate. The actuator beam has a piezoelectric actuator that is controlled by a control circuit where the control circuit generates an actuator signal and where the control circuit compares the preceding actuator signal to the difference between the sensors and an electrical transfer function to result in the metasurface being able to perform a desired function.

Abstract: Disclosed are a separator for an electrochemical device, comprising a porous base membrane, a coating layer disposed on at least one side of the porous base membrane and at least one channel for ionic flow, wherein the coating layer comprises at least one organic material with, for example, a core-shell structure that melts when the electrochemical device is overheated to a temperature that is higher than the melting point of the at least one organic material to block the at least one channel for ionic flow; as well as an electrochemical device comprising the separator and a method for making the separator.

Abstract: An approach is provided for providing quality assurance for training a feature prediction model. The approach involves training the feature prediction model to label one or more features by using a training data set comprising a plurality of data items with manually marked feature labels. The approach also involves processing the training data set using the trained feature prediction model to generate automatically marked feature labels for the plurality of data items. The approach further involves computing precision data indicating a respective precision between the manually marked feature labels and the automatically marked feature labels for each of the plurality of data items in the training data set. The approach further involves initiating a quality assurance procedure on said each of the plurality of data items based on a determination that the precision data does not satisfy a quality assurance criterion.

Abstract: The present invention relates to the field of shape memory materials. Specifically, a shape memory polymer, a preparation method therefor, and use thereof are provided. The shape memory polymer is formed by polymerizing methyl ally polyethenoxy ether and 2-(dimethylamino)ethyl methacrylate. The synthesis steps of the shape memory polymer are simplified, the preparation method is simple, and the production cost is low. In addition, the shape memory polymer prepared in the present invention has excellent shape memory performance and high hydrophilicity and biocompatibility, and is suitable for preparing biomedical materials in the field of biomedical science.