Abstract: The present invention provides a non-porous, breathable and waterproof transparent plastic film on a plastic substrate and methods for fabricating the same. The film includes a thermoplastic polyester resin, an amphiphilic modifier having a hydrophilic segment that acts as a channel for water vapor transmission through the film connected to a hydrophobic segment that anchors the amphiphilic modifier to a portion of the polyurethane base resin and a compatibilizer. The resultant non-porous, breathable and waterproof transparent plastic film has a water vapor transmission rate (WVTR) or breathability of not less than 250 g/m2/24 hr according to ASTM E96B, and having at least 90% of the transmittance. They are also resistant to liquid penetration and micro-contaminants such as bacteria and virus, making them suitable for broad applications in medical, healthcare and food packaging industries.

Abstract: The present invention provides a non-porous, breathable and waterproof transparent elastomer film and methods for fabricating the same. The film includes a polyurethane (PU) and an amphiphilic modifier having a hydrophilic segment that acts as a channel for water vapor transmission through the film connected to a hydrophobic segment that anchors the amphiphilic modifier to a portion of the polyurethane base resin. The resultant non-porous, breathable and waterproof transparent elastomer film has a water vapor transmission rate (WVTR) or breathability of not less than 300 g/m2/24 hr according to ASTM E96B, and having at least 90% of the transmittance. The film is also resistant to liquid penetration and micro-contaminants such as bacteria and virus, making it suitable for broad applications in medical, healthcare and food packaging industries.

Abstract: A hydraulic apparatus is disclosed, which includes a hydraulic cylinder body, a piston, a push assembly, and a first sealing component; the hydraulic cylinder body is of a hollow cylinder shape, provided with a first opening and a second opening respectively at two ends; the piston is disposed in the hydraulic cylinder body and is located at the first opening; the first sealing component covers the second opening; the hydraulic cylinder body, the piston, and the first sealing component are configured to form a hydraulic chamber; the hydraulic cylinder body is provided with a liquid flow opening which is located between the first sealing component and the piston; and the piston is configured to be enabled to move in the hydraulic cylinder body, driven by the push assembly.

Abstract: A method for preparing a bisphenol phosphate hydroxyl aluminum salt nucleating agent is provided, which adopts organic aluminum alcoholate as raw materials to prepare bisphenol phosphate hydroxyl aluminum salt. In prior art, a neutralization reaction of bisphenol phosphate and sodium hydroxide is firstly performed, so as to prepare bisphenol phosphate sodium salt; then a double decomposition reaction of sodium salt and inorganic aluminum salt is performed to prepare the bisphenol phosphate hydroxyl aluminum salt. The present invention combines the two-step reaction in prior art into the one-step reaction of phosphate and organic aluminum alcoholate for synthesizing the bisphenol phosphate hydroxyl aluminum salt, thereby simplifying the production process, improving the production efficiency, shortening the reaction time, and improving the product quality.

Abstract: A drive apparatus includes a first variable speed drive mechanism, a second variable speed drive mechanism, a first output half shaft, and a second output half shaft. The first variable speed drive mechanism includes a first reduction gear, a first planetary gear system, and a first brake mechanism. The second variable speed drive mechanism includes a second reduction gear, a second planetary gear system, and a second brake mechanism. The first planetary gear system includes a first sun gear, a first gear ring, a first planetary gear, and a first planet carrier. The first reduction gear is engaged with the first sun gear.

Abstract: Example control methods and apparatus are described. One example control method includes obtaining, by a first controller, a first operating status of the first controller before a control function of the first controller and/or a control function of a second controller are/is activated. The first controller receives first indication information sent by the second controller, where the first indication information indicates a controller status of the second controller. The first controller sets a first controller mode of the first controller based on the first operating status and the first indication information. Second indication information is sent by the first controller to the second controller, so that a first controller mode of the second controller that is set by the second controller does not conflict with the first controller mode of the first controller.

Abstract: An electric power steering apparatus and a control method thereof are disclosed. One example electric power steering apparatus includes: a first motor, configured to provide steering assistance corresponding to rotation of a steering wheel, wherein the first motor is powered by two power supplies, and each of the two power supplies drives the first motor to generate part of the steering assistance; and a second motor, configured to provide additional steering assistance corresponding to the rotation of the steering wheel when the first motor loses part or all of the steering assistance, wherein the additional steering assistance comprises at least part of the steering assistance lost by the first motor, and the second motor is driven by one power supply coupled from the two power supplies, to generate the additional steering assistance.

Abstract: Embodiments of this application provide a speed shifting apparatus, a control method thereof, a steering system, and a control method thereof, and relate to the field of mechanical transmission technologies. The speed shifting apparatus includes: an outer rotating wheel; an inner rotating wheel, where a rotation axis of the inner rotating wheel is parallel to and different from a rotation axis of the outer rotating wheel; and a plurality of meshing members, arranged along a circumferential direction of the inner rotating wheel or the outer rotating wheel. Either the outer rotating wheel or the inner rotating wheel is provided with a plurality of sliding grooves, and the plurality of sliding grooves are in a one-to-one correspondence with the plurality of meshing members.

Abstract: A powertrain includes a drive motor, a gear mechanism, a left half shaft, a right half shaft, a differential, a clutch, and a clutch control component, where an output shaft of the drive motor is connected to the gear mechanism, and the gear mechanism is mounted on the differential by using a bearing.

Abstract: A reduction gearbox includes a motor input shaft, an engine input shaft, an intermediate shaft, a first output shaft, a second output shaft, and a differential gear. The first output shaft and the second output shaft are in transmission connection with the differential gear. The reduction gearbox further includes: a first transmission assembly configured to connect power transmission between the motor input shaft and the intermediate shaft; a second transmission assembly configured to connect or disconnect the power transmission between the engine input shaft and the intermediate shaft; and a third transmission assembly configured to connect or disconnect the power transmission between the intermediate shaft and the differential gear.

Abstract: A brake assistance system comprising a brake pedal, a booster motor, a simulation motor, a planetary row coupling node, and a brake master cylinder, where the brake master cylinder is configured to provide a braking force for the vehicle. The brake pedal, the booster motor, and the simulation motor are separately coupled to the planetary row coupling node. The planetary row coupling node is configured to convert a torque of the brake pedal, a torque output by the booster motor, and a torque output by the simulation motor into an acting force acting on a piston rod in the brake master cylinder.

Abstract: A brake assistance system comprising a brake pedal, a booster motor, a simulation motor, a planetary row coupling node, and a brake master cylinder, where the brake master cylinder is configured to provide a braking force for the vehicle. The brake pedal, the booster motor, and the simulation motor are separately coupled to the planetary row coupling node. The planetary row coupling node is configured to convert a torque of the brake pedal, a torque output by the booster motor, and a torque output by the simulation motor into an acting force acting on a piston rod in the brake master cylinder.

Abstract: The present disclosure discloses a radio frequency test socket, a radio frequency test cable and relates to RF test. The RF test method includes: connecting a first test apparatus to a second test apparatus via a first and second elastic apparatuses in a radio frequency test socket, the first and second elastic apparatuses are connected to the first and second test apparatuses; disconnecting the radio frequency test socket from the second test apparatus by urging an insulated push pin apparatus against the second elastic apparatus, so that the first test apparatus is tested via a radio frequency test plug and the first elastic apparatus; disconnecting the radio frequency test socket from the first test apparatus by urging the insulated push pin apparatus against the first elastic apparatus, so that the second test apparatus is tested via the radio frequency test plug and the second elastic apparatus.

Abstract: Disclosed are a method and an electronic device for transmitting live broadcast data. The technical solution of the method includes: acquiring location information of a client sending a request for playing live broadcast data; determining whether requested live broadcast data exist in a source server, wherein a distance between the location information and the source server is less than a preset threshold; and instructing the source server to feed back the live broadcast data to the client if the live broadcast data exist.

Abstract: Disclosed are a method, an electronic device and a system for slicing a streaming media file. At a control center, the method includes: scheduling a slicing task onto a master server to execute the slicing task; and scheduling the slicing task being executed by the master server onto a backup server to continue executing if the master server stops slicing. At a backup server, the method includes: receiving a scheduling instruction sent by a control center, wherein the scheduling instruction is used for instructing the backup server to continue executing a slicing task being executed on a master server; and continuing executing the slicing task scheduled from the master server in response to the scheduling instruction.

Abstract: Disclosed are a method and a device for processing live video. The method for processing live video includes: receiving, by a CDN server, a request for playing video sent from a player, wherein a video format supported by the player and identification information of the requested video are carried in the request; obtaining an access path of the requested video according to the identification information of the requested video; obtaining the requested video from a resource server corresponding to the access path; converting a format of the requested video to the video format supported by the player; and sending the player the requested video which can be played on the player.

Abstract: Disclosed are a method and an electronic device for transcoding a live video. The method includes: receiving a streaming media data uploading request sent by a main playback user, wherein the streaming media data uploading request carries streaming media data and attribute information of the main playback user; selecting a real-time transcoding server according to the attribute information of the main playback user; and sending the streaming media data to the real-time transcoding server so that the real-time transcoding server converts in real time the streaming media data into multi-rate streaming media data, and sending the multi-rate streaming media data to a source server, wherein the real-time transcoding server and the source server are in the same distributed deployment.

Abstract: Disclosed are a method, an electronic device and a system for controlling a pull stream. The method includes: receiving a user request forwarded by a content delivery network (CDN) server, wherein the user request is used for requesting to watch a live video; detecting whether a stream state of the live video at a source server is on live, wherein the stream state is a stream state of a live video of the user request; instructing the source server to pull a video stream of the live video to a third-party server if the stream state at the source server is not on live; receiving a stream state returned by the source server, wherein the stream state returned by the source server is on live; and sending a back-to-source path of the video stream to the CDN server so that the CDN server sends the back-to-source path to a client.

Abstract: Disclosed are a method, a device and a system for obtaining live video. The method for obtaining live video includes: receiving an uploading request for uploading live video from a host user; selecting a resource server for processing the uploading request among multiple distributed resource servers; and sending the uploading request to the resource server so that the resource server receives the live video uploaded by the host user.

Abstract: Disclosed are a method, an electronic device and a system for acquiring video data. The method includes: first of all, receiving, by a content distribution network (CDN) server, an acquisition request of a video source server access path sent by a client; then sending the acquisition request to a scheduling server so that the scheduling server acquires access path information corresponding to the acquisition request; then receiving the access path information sent by the scheduling server; and at last acquiring and sending video data in the video source server to the client according to the access path information.