Abstract: Methods and apparatuses of encoding a video stream using video point cloud coding include obtaining a source point cloud; generating a geometry map and a texture map based on the source point cloud; generating a reconstructed geometry map and a reconstructed texture map using lossy coding without using recoloring, wherein a resolution of the reconstructed geometry map is same as a resolution of the reconstructed texture map; obtaining a point of the source point cloud corresponding to a geometry pixel of the geometry map and a texture pixel of the texture map; selecting a color of the texture pixel based on a color of the obtained point; and generating an encoded video stream based on the selected color, the geometry map, and the texture map.

Abstract: A method, computer system, and a computer program product for projecting a 3D model defined by x, y, z coordinates onto the surface of a 2D image defined by u, v coordinates is provided. The present invention may include receiving a 3D model having a plurality of polygons, wherein certain edges are marked as seams. The present invention may include receiving input from a user, wherein the input comprises painting one or more parts of the 3D model in different colors, wherein the colors correspond with a weight of the area painted. The present invention may include unwrapping, by a processor, a 2D texture from the 3D model using a projection algorithm. The present invention may include generating a rectangular boundary around each island. The present invention may include scaling each island according to a gradient score.

Abstract: Provided are a method and device for sending information, and a method and device for receiving information. The method includes: a base station sends first information to a terminal over a downlink channel, wherein the first information include one of the following: information for triggering a random access procedure, and Msg4 in a random access process.

Abstract: The present disclosure relates to a backhoe loader for efficient digging. The backhoe loader includes: a vehicle body, including a first vehicle body and a second vehicle body which are connected sequentially; a loading device, arranged on the first vehicle body; a control platform, arranged on the second vehicle body and configured to rotate by 360° relative to the second vehicle body; a cab, arranged on a first side of the control platform; and an excavating device, arranged on a second side of the control platform opposite to the first side, the excavating device being configured to rotate by 180° relative to the cab. The backhoe loader can realize functions of 360° excavating and bidirectional driving. When the excavating device works, the backhoe loader can be directly moved by folding stabilizers and without changing the position of a seat back and forth, so that the excavating efficiency is improved.

Abstract: A full-electric drive cementing control system is disclosed.

Abstract: An optical lens has an optical axis. The optical lens includes a lens barrel, a first lens element, a lens element group, and an optical element. The lens barrel has a first opening and a second opening opposite to each other, and the first opening is smaller than the second opening. The first lens element abuts against the lens barrel. The lens element group is fitted with the first lens element. The optical element includes a fixing portion and a bearing portion connected to each other. The fixing portion abuts against the lens barrel, the bearing portion abuts against the lens element group, and the fixing portion has a protrusion extending toward a direction of the first lens element. The protrusion is positioned between the lens barrel and the lens element group in a radial direction.

Abstract: The present disclosure discloses a method for extracting pectin rich in RG-I, in particular to an ultrasound and pressure assisted method for extracting pectin rich in RG-I. The main process includes: dispersing sieved citrus peel powers in alkaline solution containing sodium borohydride (20 to 50 mM); performing an ultrasound and pressure combined treatment on the above solution at 25 to 40° C., the treatment conditions include: static pressure of 0.2 to 0.4 MPa, ultrasonic intensity of 0.5 to 3.5 W/mL, and treatment time of 20 to 40 min; centrifuging the ultrasonically processed solution to remove residues, and sequentially carrying out precipitation with ethanol (50% to 80% v/v), precipitant dialysis (3000 to 3500 Da), and vacuum freeze drying on the extracted solution to obtain pectic polysaccharide.

Abstract: In one aspect, compositions and therapeutic use thereof are provided that can inhibit ?-synuclein cell-to-cell transmission. In embodiment, methods are provided to treat a mammal such as a human that is suffering from or susceptible to an ?-synucleinopathy that include administering to the mammal an effective amount of one or more metal nanozymes.

Abstract: A non-invasive time domain reflection probe calibration method includes: using different volume ratio of ethanol and deionized water mixed solution to calculate a test target's medium weight coefficient and waveguide length of the non-invasive time domain reflection probes; using different concentrations of NaCl solutions to calibrate a waveguide geometric dimensioning of the non-invasive time domain reflection probes; preparing compacted soil samples with known different moisture contents and densities, and calibrating a correlation parameter of compacted soil samples' dielectric constant and conductivity with moisture content and density. The method not only determines the sensitivity of the test target medium of the non-invasive time domain reflection probes, but also obtains the waveguide length and geometric dimensioning of the probe, and realizes an accurate test of moisture content and density of the soil.

Abstract: A resource processing method and apparatus. The method is achieved by a computer configured to execute the following steps: generating a resource allocation chart based on a resource allocation request; processing the resource allocation chart and generating an access entrance of the resource allocation chart; opening the access entrance to enable at least one third party resource supplier to respond to the resource allocation request via the access entrance. The method further comprises: when the resources are not available or not suitable for allocation, receiving a resource allocation chart, wherein the resource allocation chart is based on the resource allocation request; generating an access entrance of the resource allocation chart; opening the access entrance to at least one third party resource supplier; and receiving the allocated resources from the at least one third party resource supplier by responding to the resource allocation request through the access entrance.

Abstract: An on-chip adaptive optical receiver system, an optical chip, and a communication device are disclosed, which are applied to optical communication. The on-chip adaptive optical receiver system includes an antenna array configured for separating received spatial light to obtain a plurality of sub-light spots; an optical phased array configured for performing phase-shifting processing and beam combining processing on the sub-light spots to obtain combined light; and an optical receiving module configured for demultiplexing the combined light to obtain beacon light. The optical receiving module is further configured for detecting intensity information of the beacon light and generating a feedback signal according to the intensity information.

Abstract: A nuclear emergency multifunctional operation robot includes a base, a mechanical arm, a tool change-over device, and motion supporting devices. The base includes a pedestal, a mounting seat A, a mounting seat B, a mounting seat C, a rotation driving mechanism A, and a rotation driving mechanism B. The front end of the mechanical arm is connected to the mounting seat B; the tool change-over device includes a male connector and a female connector which are abutted with or separated from each other; and the motion supporting devices are used to drive the nuclear emergency multifunctional operation robot to move. The present disclosure has the advantages that the base can be integrated with various end tools, so that the operation robot conveniently changes over tools according to operation needs to conduct various types of operations.

Abstract: Disclosed are a signal transmitting method, device and system, and a storage medium. The method includes: transmitting a first signal, the first signal includes at least one of: at least one first structure or at least one second structure. Each first structure includes at least one symbol group, each symbol group in the each first structure includes a cyclic prefix and at least one symbol, or a cyclic prefix, at least one symbol and guard time, and symbols of each symbol group occupy a same subcarrier or a same frequency resource in frequency domain. Each second structure includes at least one symbol group, each symbol group includes a cyclic prefix and at least one symbol, or a cyclic prefix, at least one symbol and guard time, and symbols of each symbol group in the each second structure occupy a same subcarrier or a same frequency resource in frequency domain.

Abstract: An on-chip wavefront sensor, an optical chip, and a communication device are disclosed. The on-chip wavefront sensor includes an antenna array configured for separating received spatial light to obtain a plurality of sub-light spots; a reference light source module configured for generating a plurality of intrinsic light beams; a phase shifter array configured for performing phase shifting processing on the intrinsic light beams to obtain reference light; and an optical detection module configured for performing coherent balanced detection according to the reference light and the sub-light spots to obtain a photocurrent corresponding to each of the sub-light spots.

Abstract: The present invention provides a mRNA composition for microneedle administration and its application. The composition includes an aqueous phase solution and a lipid solution, wherein the lipid solution encapsulates the substance in the aqueous phase solution to form lipid nanoparticles (LNPs), and the aqueous phase solution includes mRNA encoding the corresponding protein and a buffer. It was found that an improved buffer pH could substantially increase the drug loading capacity of LNPs, and reduce the use level of composition and excipients and the dose for microneedle administration with less toxic side effects and better therapeutic effects, and the microneedle administration technology could achieve increased effective expression, decreased expression in the liver, and prolonged in vivo expression of mRNA composition, and increased antibody titer in response to low-dose mRNA in vivo. The present invention really realizes microneedle intradermal administration of mRNA composition.

Abstract: An evaluation method and an evaluation device for evaluating a health state of well site equipment, and a storage medium are provided. The evaluation method for evaluating the health state of the well site equipment includes: obtaining operating parameters of a component to be tested of equipment to be tested in at least one dimension, the at least one dimension including an operating data dimension, an environmental data dimension, and a maintenance data dimension; obtaining evaluation values of a health state of the component to be tested in various dimensions based on the operating parameters of the various dimensions; obtaining a comprehensive evaluation value of the health state of the component to be tested based on the evaluation values of the health state of the component to be tested in the various dimensions.

Abstract: A method for controlling an application instance to be online or offline includes: acquiring target indication information, the target indication information including an identification of a target application instance; according to the target indication information and stored target instances, determining an online or offline control instruction of the target application instance, wherein the target instances including application instances that are started and are in an offline state; and according to the online or offline control instruction of the target application instance, controlling the target application instance to be online or offline.

Abstract: A control system includes: a fracturing control device configured to acquire a target fracturing pressure of a fracturing unit, perform loop control on the fracturing unit by taking the target fracturing pressure as a control target, and set a target sand blending pressure for the sand blending unit; a sand blending control device configured to perform loop control on the sand blending unit by taking the target sand blending pressure as a control target.

Abstract: A composition containing a fluorine-containing polymer having a curable functional group and a pentamethylene diisocyanate-based curing agent. Also disclosed is a coating film obtained from the composition; a laminate including a substrate and a layer obtained from the composition; a back sheet for a solar cell module having a water-impermeable sheet and a coating film obtained from the composition, the coating film being formed on at least one side of the water-impermeable sheet; and a solar cell module having a water-impermeable sheet and a coating film obtained from the composition, the coating film being formed on at least one side of the water-impermeable sheet, and a sealant layer formed above the coating film.

Abstract: A control system includes: a fracturing control device configured to acquire a target fracturing pressure of a fracturing unit, perform closed-loop control on the fracturing unit by taking the target fracturing pressure as a control target, and set a target sand blending pressure for the sand blending unit; a sand blending control device configured to perform closed-loop control on the sand blending unit by taking the target sand blending pressure as a control target.