Abstract: The present disclosure relates to a method and apparatus for generating a video, an electronic device, and a computer program product. The method includes obtaining a visual token for generating an image frame in the video. The method further includes obtaining a control token for constraining position information of an object in the image frame. In addition, the method also includes generating the image frame in the video based on the visual token and the control token, where the object in the image frame satisfies the position information.

Abstract: The present disclosure relates to a method and apparatus for generating a video, a device, and a computer program product. The method includes obtaining content information related to content of the video to be generated, where the content information includes at least one of a text or an image. The method further includes obtaining position information indicating a position of an object in the video in a starting frame. The method also includes obtaining control information that constrains a position of the object in an ending frame. In addition, the method further includes generating the video based on the content information, the position information, and the control information.

Abstract: A method of controlling a robot manipulator for operating in a shared workspace with human(s) is provided. The method includes: determining a safety control set with respect to a safety condition between selected part(s) of the robot manipulator and selected part(s) of the human(s) using a safety control function: determining a hard constraint control set with respect to hard constraint(s) in trajectory tracking in DOF(s) of a component of the robot manipulator for a task using a hard constraint function: determining a soft constraint control set with respect to soft constraint(s) in trajectory tracking in DOF(s) of the component for the task using a soft constraint function: and performing control input optimization based on the safety control set. the hard constraint control set and the soft constraint control set to determine a control input for controlling the robot manipulator.

Abstract: The present disclosure describes a pipe assembly. The pipe assembly includes a power source and a pipe body selectively coupled to the power source. The pipe body includes a first piping layer for allowing a content to flow from a proximal end to a distal end of the pipe body, a second piping layer disposed outside of the first piping layer, and at least one heating element disposed between the first and second piping layers for providing heat to the pipe body.

Abstract: A quantization method for a neural network model is provided. The quantization method includes: determining sensitivities corresponding to one candidate max weight error (MWE) among candidate MWEs corresponding to the target layer, the sensitivities sensitivity of the neural network model to quantization; determining a target MWE corresponding to the target layer, based on the sensitivities; and based on the determined target MWE, quantizing weights included in the target layer from a first data format to a second data format.

Abstract: A method of manufacturing an optical fiber bundle cannula and a multi-channel fiber photometry system based on the optical fiber bundle cannula are provided. The method includes: manufacturing an optical fiber positioning mold and forming positioning holes on the mold; inserting first ends of optical fibers into the positioning holes respectively; fixing exposed portions of the optical fibers close to the mold to the mold using a curing material so that a relative position of ends of the optical fibers inserted into the mold remains unchanged; inserting second ends of the optical fibers into a tubular portion so that the optical fibers located between the tubular portion and the mold form an umbrella-shaped portion; fixing the umbrella-shaped portion and part of the tubular portion using a curing material, so as to form a fixing portion; and extracting the optical fibers from the mold.

Abstract: A method and a system for automatically collecting multiple information of a tunnel during construction period are provided. A detection point and a detection line are formed by projecting a light source on the inner wall of the tunnel, and then the pixel position changes of the areas where the detection point and the detection line are located in different time periods are recorded by a measuring camera, and the detection point and the detection line are integrated and corrected with tunnel point cloud data as a reference standard to form an accurate four-dimensional model of the tunnel.

Abstract: A coring and sampling integrated sub, including an integrally formed base body, a probe module, a coring module and a hydraulic module. The probe module, the coring module and the hydraulic module are all mounted on the base body. The hydraulic module, the probe module and the coring module are sequentially arranged from top to bottom. An output end of the hydraulic module is configured to be connected to the probe module and the coring module, respectively. The hydraulic module is configured to provide telescopic power for the probe module, and provide power for movement, flipping, and pushing of the coring module. Also disclosed is a downhole instrument including the coring and sampling integrated sub.

Abstract: Embodiments of the present disclosure provide an intermediate substrate, including: a first substrate; a black photoresist layer on a side of the first substrate; and a plurality of light emitting devices on a side of the black photoresist layer away from the first substrate. Each of the plurality of light emitting devices has a light-exiting side for emergence of light emitted by the light emitting device, the light-exiting side is in contact with the black photoresist layer, and the light emitting device includes a driving electrode for introducing a driving signal.

Abstract: The present disclosure relates to a vehicle-mounted woofer device and a design method therefor. The vehicle-mounted woofer device comprises a box body and a woofer disposed in the box body. The woofer comprises a cone. The cone has a front surface facing the interior of a cabin and a rear surface opposite to the front surface. A cavity is formed between the rear surface of the cone and the box body. A main waveguide for communicating the cavity with the outside is disposed in the box body. A secondary waveguide is further disposed in the box body. The main waveguide and the secondary waveguide are each provided with an inlet in communication with the cavity. The main waveguide is provided with an outlet for communicating with the outside of the cabin, and the secondary waveguide is provided with an outlet for communicating with the outside or inside of the cabin.

Abstract: A battery self-heating circuit, includes a first battery group, a second battery group, a first capacitor, a second capacitor, multiple phases of bridge arms, and multiple phase of windings, which correspond to the multiple phases of bridge arms on a one-to-one basis.

Abstract: An antimicrobial detergent composition includes the following components by mass percent: 0.1-10% of a polyester-polyether polymer, 0.01-2% of an antimicrobial agent with a halogenated phenol structure, 10-50% of a surfactant and a solvent. A 1% deionized water solution of the detergent composition has a pH value of 7.0-9.0. In the present invention, by introducing the polyester-polyether polymer into the composition, the deposition efficiency of the antimicrobial agent with the halogenated phenol structure on a fabric can be improved, a solubilization effect of the surfactant in a detergent can be reduced, and therefore, a antimicrobial effect is achieved.

Abstract: The invention discloses a micro-interface strengthening reaction system for preparing poly-?-olefin, which includes: a first polymerization reactor and a second polymerization reactor that are connected with each other in sequence, wherein a first micro-interface generator is disposed outside the first polymerization reactor, and a second micro-interface generator is disposed inside the second polymerization reactor. A bottom of the second polymerization reactor is provided with a discharge port, and the discharge port is connected with a hydrogen halide removal tower. By disposing the first micro-interface generator in the first polymerization reactor while disposing the second micro-interface generator in the second polymerization reactor, on the one hand it increases the mass transfer area between the gas phase and the liquid phase material, improves reaction efficiency and reduces energy consumption, and on the other hand it results in a higher evenness of the poly-?-olefin and improved product quality.

Abstract: In one aspect, a preparation method for a solar cell includes: providing a silicon wafer substrate having a first surface and a second surface opposite to the first surface; forming a silicon-containing film on the first surface of the silicon wafer substrate; patterning the silicon-containing film on the first surface by laser to form a patterned region; placing the silicon wafer substrate having the silicon-containing film and the patterned region into an alkaline solution containing a strong monobasic base to obtain a pre-treated silicon wafer substrate, and placing the pre-treated silicon wafer substrate into a texturing liquid containing a strong monobasic base for texturing treatment, wherein a concentration of the strong monobasic base in the alkaline solution is greater than a concentration of the strong monobasic base in the texturing liquid.

Abstract: A short-offset transient electromagnetic transmission system, including: an electromagnetic transmitter with transmission power supplies P1, P2, P3, P4, grounding electrodes A, B, C, D, F, and transmission wires LA, LB1, LB2, LC1, LC2, LD1, LD2, LE. The electrodes A and B are connected to the transmission power supply P1 via the wires LA and LB1. The electrodes B and C are connected to the transmission power supply P2 via the wires LB2 and LC1. The electrodes C and D are connected to the transmission power supply P3 via the wires LC2 and LD1. The electrodes D and E are connected to the transmission power supply P4 via the wires LD2 and LE. The wires LA and LB1 are pulled from the electromagnetic transmitter to the electrode B and the wires LD2 and LE are pulled from the electromagnetic transmitter to the electrode D in a twisted-pair manner.

Abstract: Disclosed herein is a method for aramid polymerization using carbon dioxide as a solvent, comprising reacting phenylenediamine with benzenedicarbonyl dichloride, wherein an acid-binding agent is added to the reaction system, and liquid carbon dioxide and/or a supercritical carbon dioxide fluid is used as a reaction solvent. The method of the present application is environmentally friendly, saves resources, has low cost, and is safe for production and suitable for industrial production. The polycondensate obtained in the present application has a controllable molecular weight, a good product quality, and an intrinsic viscosity ?inh of 8-9 dl/g. The yield in the aramid condensation stage can reach 98%, and the recovery rate of the aramid condensation solvent is higher than 90%.

Abstract: A network device role self-adaptive method and apparatus are provided. Specifically, a first network device and a neighbor network device both determine their respective priority according to information including a connection result between the corresponding network device itself and a server; the first network device receives a second start frame which is sent by the neighbor network device and comprises the priority of the neighbor network device, and then determines whether its own priority and the priority of the neighbor network device meet preset conditions; and if yes, when the priority of the first network device is higher than the priority of the neighbor network device, the first network device determines its own role as an authentication access controller, and when the priority of the first network device is lower than the priority of the neighbor network device, the first network device determines its own role as a request device.

Abstract: A material handling system includes: a frame defining a first axis; a plurality of suction units coupled to the frame and distributed in rotational symmetry about the first axis; and at least one stopper. The plurality of suction units collectively defines a distal plane normal to the first axis, with each of the plurality of suction units being operable to provide a suction force in a suction direction parallel to the first axis. The at least one stopper is fixedly coupled to the frame and extends beyond the distal plane to provide one or more abutment ends disposed stationary relative to the frame. The one or more abutment ends define a transverse offset axis extending through all of the one or more abutment ends. The transverse offset axis is a straight line spaced apart from the first axis and parallel to the distal plane.