Abstract: The present invention provides a coal feeding control method and system for a small pulverized coal silo, the method includes: acquiring a boiler load increase signal, and determining the target function F(t) for boiler load control obtaining the current coal mill output signal B(t), where B(t) is the fuel quantity signal at the outlet of the coal mill that changes over time from the start time; comparing B(t) with F(t): if B(t) cannot meet the fuel quantity requirements of F(t), activate the small pulverized coal silo connected to the boiler; otherwise, the small pulverized coal silo remains inactive; determining the coal feeding signal f(t) for the small pulverized coal silo, and further determining the coal feeding control signal f(t) for the small pulverized coal silo; controlling the small pulverized coal silo to feed coal to the boiler, quickly changing the combustion rate in the furnace, and increasing the boiler load.

Abstract: A vibration processing method and apparatus. The vibration processing method including obtaining a target play control from a multimedia interface, the target play control being a play control in the at least one play control with pieces of indication information, obtaining function indication information and control indication information of the target play control from the pieces of indication information, performing vibration encoding on the target play control based on the function indication information to obtain function encoding information of the target play control, and performing vibration encoding on the target play control based on the control indication information to obtain control encoding information of the target play control, setting the function encoding information and the control encoding information as vibration encoding information of the target play control, and outputting a corresponding vibration based on the vibration encoding information.

Abstract: A new motorized two-layer structure shade, includes a bottom beam (1); and a shell (2), a top of the shell (2) equipped with a first lifting component, a light-filtering fabric (3) installed on the first lifting component, and located between the bottom beam (1) and the shell (2), a first driving component is set on the shell (2), and a controller (27) electrically connected to the driving component also installed on the shell (2), the controller (27) configured to receive feedback data about position data of a distance between the bottom.

Abstract: A method for generating a road map for vehicle navigation comprises: receiving an original road map having a crossroad junction, an inward lane entering the crossroad junction, and an outward lane leaving the crossroad junction; generating a reference path capable of guiding a vehicle driving from the inward lane to the outward lane through the crossroad junction; generating a polygonal hub that encompasses the crossroad junction, wherein the reference path enters and leaves the hub by crossing a first binder and a second binder, respectively; and generating automatically a type of the reference path based on the geometrical relationship between the first binder and the second binder.

Abstract: An anionic-cationic-nonionic surfactant represented by the formula (I) exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present anionic-cationic-nonionic surfactant, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.

Abstract: A method for viewing angle adjustment according to one embodiment may include: displaying a first image in a virtual scene at a first viewing angle when the terminal is at a first position; detecting a terminal position change from the first position to a second position; determining a viewing angle adjustment sensitivity based on one of: whether there is a press operation on a region of a touchscreen of the terminal; or whether a displaying mode of the virtual scene is a panorama mode; determining an angle variation reflecting viewing angle change based on: a position variation from the first position to the second position, and the viewing angle adjustment sensitivity; determining a second view angle based on the angle variation and the first viewing angle; and displaying a second image in the virtual scene at the second viewing angle when the terminal is located at the second position.

Abstract: This application discloses a viewing angle adjustment method and device, a storage medium, and an electronic device. The method may include: detecting, by a terminal by using a sensor in the terminal, that the terminal changes from a first position to a second position, the terminal displaying a first image in a virtual scene at a first viewing angle when the terminal is located at the first position, and the first image displaying an object targeting identifier; determining a second viewing angle according to the first position, the second position, the first viewing angle, a second variation quantity from the first viewing angle to the second viewing angle corresponding to a first variation quantity from the first position to the second position; and displaying, by the terminal, a second image in the virtual scene at the second viewing angle when the terminal is located at the second position, the second image also displaying the object targeting identifier.

Abstract: An apparatus and a method for controlling a velocity of an autonomous driving vehicle is provided. The method includes steps of: obtaining information of an environment surrounding the vehicle when an obstacle is detected to be on a planning path of the vehicle; obtaining an initial reference velocity profile of the vehicle; determining a safety factor based on the initial reference velocity profile, the information of the environment and information of the vehicle, wherein the safety factor at least comprises a safety distance between the vehicle and the obstacle for the vehicle to follow the obstacle; determining an optimized reference velocity profile based on the information of the environment, the information of the vehicle and the safety factor; and performing the step of determining the safety factor by using the optimized reference velocity profile as the initial reference velocity profile and the step of determining the optimized reference velocity iteratively.

Abstract: This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic-nonionic surfactant and an anionic surfactant, and exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present surfactant composition, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.

Abstract: An anionic-cationic-nonionic surfactant as substantially represented by the formula (I) exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present anionic-cationic-nonionic surfactant, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced. In the formula (I), each group is as defined in the specification.

Abstract: This invention relates to a surfactant composition, production and use thereof in tertiary oil recovery. The present surfactant composition comprises a cationic-nonionic surfactant and an anionic surfactant, and exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present surfactant composition, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced.

Abstract: This invention relates to an anionic-cationic-nonionic surfactant as substantially represented by the formula (I), production and use thereof in tertiary oil recovery. The anionic-cationic-nonionic surfactant of this invention exhibits significantly improved interfacial activity and stability as compared with the prior art. With the present anionic-cationic-nonionic surfactant, a flooding fluid composition for tertiary oil recovery with improved oil displacement efficiency and oil washing capability as compared with the prior art could be produced. In the formula (I), each group is as defined in the specification.

Abstract: The present disclosure discloses an item display method performed at a terminal. The method includes: controlling, by the terminal in response to a first target operation instruction generated by a user of the terminal, a virtual control object in a virtual scene displayed by a client running at the terminal to acquire a plurality of virtual items, each virtual item configured to increase an attribute value of the virtual control object; adjusting, by the terminal, the attribute value of the virtual control object according to current behavior of the virtual control object; and displaying, by the terminal in the virtual scene of the client, an identifier of a first virtual item matching a target condition in the plurality of virtual items in a case that the adjusted attribute value meets the target condition, the identifier of the first virtual item being configured for use in the virtual scene.

Abstract: A method for generating a road map for vehicle navigation comprises: providing original road image data having an image of a road; identifying boundary lines defining respective lane segments of the road from the original road image data; associating traffic properties with the lane segments defined by the boundary lines, respectively; grouping the lane segments to generate road segments; and combining the road segments with traffic control objects corresponding thereto so as to generate the road map for vehicle navigation.

Abstract: A method for generating a road map for vehicle navigation comprises: receiving an original road map having a crossroad junction, an inward lane entering the crossroad junction, and an outward lane leaving the crossroad junction; generating a reference path capable of guiding a vehicle driving from the inward lane to the outward lane through the crossroad junction; generating a polygonal hub that encompasses the crossroad junction, wherein the reference path enters and leaves the hub by crossing a first binder and a second binder, respectively; and generating automatically a type of the reference path based on the geometrical relationship between the first binder and the second binder.

Abstract: A method for controlling a vehicle using a model predictive controller generating consecutive sets of reference states at a calculation frequency. In one embodiment, the method comprises: receiving a trajectory reference for guiding movement of the vehicle; generating, in a calculation cycle repeated at the calculation frequency, a set of reference states based on an initial state of the vehicle at a start time of the calculation cycle and the trajectory reference; sending the set of reference states to a second controller; detecting, by the second controller at a detection frequency equal to or higher than the calculation frequency, an updated state of the vehicle; generating a vehicle control parameter value based on the updated state of the vehicle and a reference state of the set of reference states; and controlling the vehicle using the vehicle control parameter value.

Abstract: An apparatus and a method for controlling a velocity of an autonomous driving vehicle is provided. The method includes steps of: obtaining information of an environment surrounding the vehicle when an obstacle is detected to be on a planning path of the vehicle; obtaining an initial reference velocity profile of the vehicle; determining a safety factor based on the initial reference velocity profile, the information of the environment and information of the vehicle, wherein the safety factor at least comprises a safety distance between the vehicle and the obstacle for the vehicle to follow the obstacle; determining an optimized reference velocity profile based on the information of the environment, the information of the vehicle and the safety factor; and performing the step of determining the safety factor by using the optimized reference velocity profile as the initial reference velocity profile and the step of determining the optimized reference velocity iteratively.

Abstract: This application discloses a viewing angle adjustment method and device, a storage medium, and an electronic device. The method may include: detecting, by a terminal by using a sensor in the terminal, that the terminal changes from a first position to a second position, the terminal displaying a first image in a virtual scene at a first viewing angle when the terminal is located at the first position, and the first image displaying an object targeting identifier; determining a second viewing angle according to the first position, the second position, the first viewing angle, a second variation quantity from the first viewing angle to the second viewing angle corresponding to a first variation quantity from the first position to the second position; and displaying, by the terminal, a second image in the virtual scene at the second viewing angle when the terminal is located at the second position, the second image also displaying the object targeting identifier.

Abstract: The present disclosure discloses an item display method performed at a terminal. The method includes: controlling, by the terminal in response to a first target operation instruction generated by a user of the terminal, a virtual control object in a virtual scene displayed by a client running at the terminal to acquire a plurality of virtual items, each virtual item configured to increase an attribute value of the virtual control object; adjusting, by the terminal, the attribute value of the virtual control object according to current behavior of the virtual control object; and displaying, by the terminal in the virtual scene of the client, an identifier of a first virtual item matching a target condition in the plurality of virtual items in a case that the adjusted attribute value meets the target condition, the identifier of the first virtual item being configured for use in the virtual scene.

Abstract: An autonomous driving system includes a number of sensors and a number of autonomous driving modules. The autonomous driving system further includes a global store to store data generated and used by processing modules such as sensors and/or autonomous driving modules. The autonomous driving system further includes a task scheduler coupled to the sensors, the autonomous driving modules, and the global store. In response to output data generated by any one or more of processing modules, the task scheduler stores the output data in the global store. In response to a request from any of the processing modules for processing data, the task scheduler provides input data stored in the global store to the processing module. The task scheduler is executed in a single thread that is responsible for managing data stored in the global store and dispatching tasks to be performed by the processing modules.