Abstract: This application discloses a video encoding method, a video playback method, a related device, and a medium.

Abstract: A method for classifying an image of a displaying base plate includes: acquiring an image to be checked; from a first predetermined-type set, determining a type of the image to be checked. The first predetermined-type set includes: a first image type, a second image type and a third image type. An image of the first image type is a no-defect image, an image of the second image type is a blurred image, and an image of the third image type is a defect image. When the type of the image to be checked is the third image type, by using a first convolutional neural network, determining a defect data of the image to be checked, wherein the defect image refers to an image of a displaying base plate having a defect, and the defect data contains a defect type of the displaying base plate in the image to be checked.

Abstract: The invention discloses a system for producing hydrogen by ammonia decomposition reaction and a hydrogen production method.

Abstract: A computational device detects an emotion of a reader while reading a printed version of a book via a virtual reality device. A determination is made of notes made by other readers of the book with a similar emotion to the reader, where the notes have been stored in association with an electronic version of the book. The notes are displayed on a virtual reality interface of the virtual reality device to the reader.

Abstract: A head-mounted display apparatus includes a display, a strap and a head-turning assisting device; two ends of the strap are fixedly connected to the display; the head-turning assisting device is positioned in the strap; when the head-mounted display apparatus is worn on the head of the human body, the display is positioned in the position of the eyes of the human body, and the strap is wrapped around the head of the human body; the display includes a master controller and a display module, the master controller is electrically connected to both the head-turning assisting device and the display module. The master controller is configured to acquire a display image from the display module, and to control the head-turning assisting device to assist the head of the human body to turn according to the display image.

Abstract: The embodiments of the present invention relate to a battery pack, detachably connected to an external device for charging or discharging. The battery pack includes a control module, and a communication terminal. The communication terminal is connected to the control module and the external device, and the control module detects the signal from the communication terminal to decide the pattern to determine the type of the external device. The battery pack further includes a state indication terminal, which is connected to the control module and the external device, and the control module detects at least one operating parameter of the battery, and generates a state parameter related to the operating parameter according to the operating parameter. The control module sends the state parameter to the outside by using the communication terminal, and the control module sends an abnormality signal to the outside by using both of the communication terminal and the state indication terminal.

Abstract: A method for calibrating an electromagnetic measurement tool includes deploying a test loop about a first antenna in the electromagnetic measurement tool and electromagnetically coupling the test loop and the first antenna and measuring a first voltage. The test loop is then deploying about a second antenna in the electromagnetic measurement tool and electromagnetic ally coupling the test loop and the second antenna and measuring a second voltage. A ratio of the first voltage to the second voltages is computed that can be used to calibrate the first antenna with respect to the second antenna.

Abstract: A suspension apparatus for a superconducting magnet, comprising a support tray and at least two suspension assemblies. The support tray has at least one through-hole and comprises at least two mounting parts. The at least two suspension assemblies pass through the support tray via the through-hole. Each of the suspension assemblies is connected to one of the mounting parts. The suspension apparatus is easy to install. Furthermore, a superconducting magnet comprising the suspension apparatus, and a magnetic resonance imaging device, are also provided.

Abstract: Methods and systems for provisioning resources includes classifying a request for a virtual server instance (VSI) according to resources specified in the request. Dependent resources that the VSI will use are predicted based on the specified resources. A provisioning plan is generated, including timing and configuration information, based on the specified resources and the dependent resources. Resources for the VSI are provisioned according to the provisioning plan, including allocating hardware resources on a computing system.

Abstract: Methods and systems for provisioning resources includes classifying a request for a virtual server instance (VSI) according to resources specified in the request. Dependent resources that the VSI will use are predicted based on the specified resources. A provisioning plan is generated, including timing and configuration information, based on the specified resources and the dependent resources. Resources for the VSI are provisioned according to the provisioning plan, including allocating hardware resources on a computing system.

Abstract: The present disclosure relates to a cooling device for a power battery system, a power battery system for a vehicle comprising the cooling device, and a vehicle. The cooling device is disposed at a bottom of the power battery system and includes a chamber defined by a casing. The chamber includes: a first region where a liquid cooling plate assembly is disposed; and a second region sealingly separated from the first region and accommodating a piping system for coolant communication. The liquid cooling plate assembly extends from a bottom of the first region to a bottom of the second region, and the piping system is in fluid communication with a flow passage of the liquid cooling plate assembly. In the cooling device of the present disclosure, the piping system is all disposed outside the battery system. Thus, battery cells or high-voltage devices inside the battery system would not be affected even if the coolant leaks at the piping system, which greatly improves safety of the battery system.

Abstract: The present disclosure relates to a nozzle fixing assembly and a water pick. The nozzle fixing assembly is configured to mount a nozzle having a limiting groove. The nozzle fixing assembly includes: a locking assembly including a housing provided with a first through hole and an elastic element connected to the housing; a support base including an elastic piece and a locking sleeve provided with a second through hole. An outer periphery of the locking sleeve is provided with a latching groove in communication with the second through hole. The nozzle extends through the first through hole and the second through hole and biases the elastic element, such that the limiting groove is aligned with the latching groove, the elastic piece is engaged in the limiting groove and the latching groove.

Abstract: A computer-implemented method, a system, and a computer program product for service delivery are disclosed. In the method, a static analysis can be performed on a plurality of services to be deployed in an environment comprising a plurality of nodes, to determine dependency relationships among the plurality of services. The plurality of services can be deployed in the environment based on the dependency relationships, a predefined priority for each of the plurality of services, and deployment time for each of the plurality of services. Also, the plurality of services can be scheduled into corresponding nodes in the environment.

Abstract: The present invention discloses a free-cut warp-knitted fabric and use thereof. The warp-knitted fabric is at least knitted using a yarn of a front guide bar and a yarn of a back guide bar, wherein the yarn of the front guide bar and/or the yarn of the back guide bar is a crimped fiber having a stretch elongation of 30% to 120% and a stretch recovery not less than 15%, and an underlap formed by the yarn of the front guide bar and an underlap formed by the yarn of the back guide bar have opposite directions in the same course. The warp-knitted fabric of the present invention has proper elongation and stretchability, and has good washing durability; and the fabric after cutting has raveled edges, is not easy to curl in the horizontal direction, has good wearing comfort, and can be widely used to fabricate various garments.

Abstract: A correction method for a scatter signal caused by a wedge filter includes: S10: performing an air scan by using CT equipment, and calculating a relative intensity Wair of a scatter signal caused by a wedge filter in the air scan according to an air scan result, S20: performing an object scan on a plurality of experimental objects by using the CT equipment, and calculating theoretical scatter signal intensities Wtheo of the experimental objects in the object scan in combination with the result of S10, S30: fitting Wtheo of the experimental objects in the object scan and scatter signal intensity estimations Wact of the experimental objects in the object scan, and S40: correcting the scan results according to a difference between a scatter signal intensity estimation Wact of an actual object in the object scan and a theoretical scatter signal intensity Wtheo of the actual object in the object scan.

Abstract: A porous heating body includes a porous body having a first porous portion, a second porous portion and a third porous portion successively disposed in the porous body along a lengthwise direction of the porous body. A cross-sectional area of the first porous portion and a cross-sectional area of the third porous portion are both larger than a cross-sectional area of the second porous portion along a widthwise direction of the porous body. A heating element extends along the lengthwise direction of the porous body is disposed on the porous body. The heating element includes a heating portion. At least one portion of an extension length of the heating portion is overlapped with an extension length of the second porous portion. The porous body is shaped to enhance conductivity of liquid tobacco in a middle thereof, and storing liquid tobacco for replenishing at two bulge ends thereof.

Abstract: The present disclosure relates to a water pumping device for a water flosser, which includes a mounting base, a transmission assembly, a connecting member, and a piston. The transmission assembly includes a first transmission member. The connecting member is disposed in the mounting base in a reciprocally movable manner in a first direction. The first transmission member is rotatable about a first rotation axis perpendicular to the first direction, and in mating connection with the connecting member. The first transmission member is eccentrically disposed with respect to the first rotation axis. During a rotation of the first transmission member about the first rotation axis, the first transmission member reciprocates in the first direction, so as to drive the connecting member to reciprocate in the first direction. The reciprocation of the connecting member in the first direction can drive the piston to reciprocate in the first direction.

Abstract: The invention discloses a bifunctional additive for increasing low-carbon olefins and reducing slurry in cracking product, wherein the dry-basis components of said additive is as follows: 40˜55 wt % of phosphorus-containing MFI zeolite, 0˜10 wt % of large pore type Y and Beta zeolites, 3˜20 wt % of inorganic binder, 8˜22 wt % of inorganic matrix composed of alumina and amorphous silica-alumina and 15˜40 wt % of clay. The bifunctional additive is mainly used to facilitate production rate of cracked LPG and increase concentration of propylene in LPG and octane number of produced the gasoline, and at the same time reduce the yield of slurry in the cracking products. The invention also discloses its preparation method and application of said additive.

Abstract: An asymmetric GPR84 antagonist and a use thereof, the GPR84 antagonist having a structure as shown in formula I. The compound represented by formula I has GPR84 antagonistic activity, can competitively inhibit GPR84 agonist-induced receptor activation, and can be used to treat various diseases associated with the high expression or hyperexcitability of GPR84, such as multiple sclerosis, inflammatory bowel disease, organ fibrosis, arthritis, etc.

Abstract: The Invention discloses a method for improving the quality of oil products and increasing the yield of low-carbon olefins by catalytic cracking of bio-oil, which takes bio-oil or mixed oil of bio-oil and hydrocarbon oil as raw oil for catalytic cracking reaction. With this method, the octane number of the gasoline in product is obviously increased, simultaneously, the content of propylene and other low-carbon olefins in product is also improved.