Abstract: A laser beam alignment system includes at least one mirror with a surface pattern configured to receive and reflect a laser beam, at least one detector configured to detect a deflected portion of a laser beam from the mirror, and at least one controller configured to communicate with the at least one mirror and the at least one detector and to control the mirror position on the basis of the deflected portion of the laser beam.

Abstract: An operation method of a terminal may comprise receiving, from a base station, information of target transmission points targeted for a report of first channel state information (CSI) among the plurality of transmission points; receiving a first CSI-reference signal (CSI-RS) from the target transmission points; transmitting the first CSI determined based on the first CSI-RS to the base station; receiving, from the base station, information on a first transmission point determined based on the first CSI; receiving, from the first transmission point indicated by the information on the first transmission point, a second CSI-RS; receiving, from the base station, information on a requirement; and transmitting, to the base station, a second CSI including a transmission parameter for achieving the requirement.

Abstract: An ultra-high molecular weight, ultra-fine particle size polyethylene has a viscosity average molecular weight (Mv) greater than 1×106. The polyethylene is spherical or are sphere-like particles having a mean particle size of 10-100 ?m, having a standard deviation of 2-15 ?m and a bulk density of 0.1-0.3 g/mL. Using the polyethylene as a basic polyethylene, a grafted polyethylene can be obtained by means of a solid-phase grafting method; and a glass fiber-reinforced polyethylene composition comprising the polyethylene and glass fibers, and a sheet or pipe prepared therefrom; a solubilized ultra-high molecular weight, ultra-fine particle size polyethylene; and a fiber and a film prepared from the solubilized ultra-high molecular weight, ultra-fine particle size polyethylene may also be obtained. The method has simple steps, is easy to control, has a relatively low cost and a high repeatability, and can realize industrialisation.

Abstract: The present disclosure provides a rotary motor, which includes: a clamping member having a gripping unit installed at an inner circumference of a rotor to grip the rotor during a predetermined time; and a driving member installed at the inner circumference of the rotor and having a rotation unit configured to make an elastic deformation to rotate by a predetermined angle and then return to an original state so that the rotor is rotated.

Abstract: A nanowire semiconductor device having a high-quality epitaxial layer and a method of manufacturing the same are provided. According to an embodiment, the semiconductor device may include: a substrate; one or more nanowires spaced apart from the substrate, wherein the nanowires each extend along a curved longitudinal extending direction; and one or more semiconductor layers formed around peripheries of the respective nanowires to at least partially surround the respective nanowires, wherein the respective semiconductor layers around the respective nanowires are spaced apart from each other.

Abstract: A clustering method includes configuring a network with clustering target objects; collecting significance of the clustering target objects; performing network embedding for outputting a set of vectors representing neighboring objects of the clustering target objects constituting the network using a neural network; and performing clustering on the clustering target objects using the set of vectors and information on each of the clustering target objects, wherein the neural network is trained so that neighboring objects having high significance are output with higher probability.

Abstract: Systems and methods for imaging may include: receiving a first point cloud from a first LiDAR sensor mounted at a first location behind a vehicle grille, the first point cloud representing the scene in front of the vehicle, wherein as a result of the grille the scene represented by the first point cloud data is partially occluded with a first pattern of occlusion; receiving a second point cloud from a second LiDAR sensor mounted at a second location behind the vehicle grille; combining the first and second point clouds to generate a composite point cloud data set, wherein the first LiDAR sensor is located relative to the second LiDAR sensor such that when a point cloud data for the first optical sensor and the second optical sensor are combined, the first pattern of occlusion is at least partially compensated; and processing the combined point cloud data set.

Abstract: Accordingly, the embodiments herein provide a hybrid modular multilevel converter. The hybrid modular multilevel converter includes one or more chain links, one or more high voltage switches and a plurality of inductors. The one or more chain links are formed by sub modules. The one or more high voltage switches are formed by semi-controlled devices or fully controlled or any other suitable semiconductor devices. The plurality of inductors are arranged in the one or more chain links to limit circulating current among the one or more chain links. The one or more chain links are configured to enhance a power handling capability of the hybrid modular multilevel converter.

Abstract: Disclosed herein are an image processing method and apparatus for machine vision. The image processing method for machine vision includes generating an image with machine-unrecognizable distortion based on an input image, and encoding the image with machine-unrecognizable distortion.

Abstract: A method of leak detection for oil and gas pipeline based on excitation response and system thereof includes: applying an active excitation signal (a pressure pulse directly input by human) or a passive excitation signal (a pressure fluctuation caused by opening and closing valves, etc.) to an oil and gas pipeline with existing leakage points, the excitation signal is reflected at the pipeline boundary and the leakage, and the reflected pressure wave continues to propagate to upstream and downstream, and finally is collected by the dynamic pressure transducer, then the existing leakage of the pipeline is detected and positioned by analyzing the transient response signal and the reflected pressure wave of leakage signal.

Abstract: A device for realizing surface cleaning of an optical element by ion wind and electrostatic coupling, comprising a fixing support, an optical element, an ion wind system, an electrostatic adsorption system, and a particle contaminant storage box; the ion wind system comprises an air knife, an ion bar, an ion bar support, a connecting sheet, and a three-degree-of-freedom combined displacement stage; the electrostatic adsorption system comprises rod-shaped electrodes, electrode fixing supports and a manual displacement stage; the particle contaminant storage box is connected to a working surface by means of storage box supports, and an included angle between the particle contaminant storage box and the storage box supports is 135 degrees.

Abstract: The present invention discloses a hysteresis signal detection circuit, comprising: a first MOS transistor, a second MOS transistor, an inverter INV1, an inverter INV2 and an inverter INV3. A gate of the first MOS transistor is connected with an input end, and a drain of the first MOS transistor is connected with an output end through the inverter INV1, the inverter INV2 and the inverter INV3 successively; a source of the first MOS transistor is connected with a drain of the second MOS transistor, and a gate of the second MOS transistor is connected between the inverter INV1 and the inverter INV2; and a resistor R1 is connected between a source and the drain of the second MOS transistor. In the present invention, not only the hysteresis voltage can be adjusted through current and resistance values, which is flexible, but also the hysteresis voltage may not change with power voltage.

Abstract: A technique for physical interaction of nanocellulose, a method of separating nanocellulose from water in an aqueous solution using a physical interaction promoter, and a method for synthesis of a cellulose interaction promoter capable of increasing the dispersibility of nanocellulose in a polymer matrix and improving the physical properties of a polymer composite material are provided.

Abstract: Methods, systems, and techniques for kernel continuing learning. A dataset is obtained that corresponds to a classification task. Feature extraction is performed on the dataset using an artificial neural network. A kernel is constructed using features extracted during that feature extraction for use in performing the classification task. More particularly, during training, a coreset dataset corresponding to the classification task is saved; and during subsequent inference, the coreset dataset is retrieved and used to construct a task-specific kernel for classification.

Abstract: The disclosure provides compositions and methods for growing programmable enzyme-functionalized and sense-and-response bacterial cellulose living materials with engineered microbial co-cultures.

Abstract: The present invention relates to a bio electrochemical system for the treatment of organic liquid wastes. The bio electrochemical system comprises a container; at least one tube shaped separator vertically disposed such that it penetrates the container; at least one anode disposed in the external space of the tube shaped separator; at least one cathode disposed in the interior space of the tube shaped separator; and at least one partition plate horizontally disposed such that it forms multistage horizontal flow channels for organic liquid wastes in the container.

Abstract: Disclosed is a pumping method of a large-diameter horizontal pressurized long dewatering well for inexhaustible pumping strata. Clay layers and sand soil layers are determined according to construction positions of foundation pits, horizontal holes are drilled in the sand soil layers with a drill rig with simultaneous casing, and after the designed depth is reached, horizontal wells are placed, the horizontal wells are located above the junction of the clay layers and the sand soil layers, and the horizontal wells comprise drain pipes and air ducts, the drain pipes and the air ducts are located at the same elevation, each air duct is located between the two drain pipes, and the air duct is connected with the air pipe of the air compressor to deliver and pressurize, so as to facilitate water in the strata of aquifer to gather into the drain pipes.

Abstract: An object is to provide a cell product for treating and/or preventing vascular dementia. The present invention provides a cell product for treating or preventing vascular dementia, containing a SSEA-3-positive pluripotent stem cell (Muse cell) derived from a mesenchymal tissue in a living body or a SSEA-3-positive pluripotent stem cell derived from a cultured mesenchymal cell.

Abstract: Disclosed herein a device acquiring holography and system including the same. The device includes: a beam splitter module splitting a light emitted from an object into a first beam and a second beam which have polarizations in different states; and an optical control module equipped with a first reflective optical element, which is disposed at one side of the beam splitter module and receives and emits the first beam to the beam splitter module, and a second reflective optical element which is placed at the other side of the beam splitter module, receives the second beam and emits the second beam to the beam splitter module so as to have differences of optical path and wavefront from the first beam. The beam splitter module, the first reflective optical element and the second reflective optical element are monolithically installed by being fixed to each other.

Abstract: A key DNA sequence for regulating a maize leaf angle and a mutant thereof are provided, which have polynucleotide sequences shown in SEQ ID No. 1 and SEQ ID No. 2, respectively. The DNA sequence for regulating a maize leaf angle and the mutant thereof provided by present disclosure can regulate the expression of ZmNAC16 gene in a maize pulvinus, and thus can be used for the improvement of maize leaf angle and plant type and further for the cultivation of new maize varieties. The present disclosure further provides specific detection primers for detecting mutations of the DNA key sequence and the mutant, and detection primers for detecting an expression level of ZmNAC16 gene in maize. These detection primers can be used to directionally improve a maize leaf angle and also shows application potential for breeding of dense-planting-tolerant and high-yield maize.