Abstract: A portable massager includes a housing, a first connecting shaft, a second connecting shaft, a supporting rod, a supporting arm, and a massage device. The housing includes an upper cover and a base. The upper cover and the base cooperatively define a receiving space. Two spaced apart massage grooves are recessed from the upper cover toward the base and are each in air communication with the receiving space. The first connecting shaft and the second connecting shaft are disposed on a bottom surface of the base. An end of the supporting rod is rotatably connected to the base through the first connecting shaft. An end of the supporting arm is rotatably connected to the base through the second connecting shaft. The massage device is arranged in the receiving space and a portion of the massage device protrudes from the receiving space toward the massage grooves.

Abstract: A method for monitoring a cell beating parameter, which includes adding excitable cells capable of beating to a system for monitoring cell-substrate impedance, the system having an electrode array electrically coupled to an impedance analyzer that measures cell-substrate impedance at millisecond time resolution, and a software program that determines a cell beating parameter from measured cell-substrate impedance; monitoring cell-substrate impedance of the excitable cells; and determining the cell beating parameter from the monitored cell-substrate impedance.

Abstract: The disclosure relates to a tracheal intubation positioning method and device based on deep learning, and a storage medium. The method includes: constructing a YOLOv3 network based on dilated convolution and feature map fusion, and extracting feature information of an image through the trained YOLOv3 network to acquire first target information; determining second target information by utilizing a vectorized positioning mode according to carbon dioxide concentration differences detected by sensors; and fusing the first target information and the second target information to acquire a final target position. According to the disclosure, the tracheal orifice and the esophageal orifice can be rapidly detected in real time.

Abstract: The disclosure relates to a photocatalytic structure. The photocatalytic structure includes a substrate, a photocatalytic active layer, and a metal layer. The substrate, the photocatalytic active layer, and the metal layer are arranged in succession. The substrate includes a base and a patterned bulge layer on a surface of the base. The patterned bulge layer is a net-like structure comprising a plurality of strip-shaped bulges intersected with each other and a plurality of indents defined by the plurality of strip-shaped bulges. The plurality of strip-shaped bulges is an integrated structure. The photocatalytic active layer is on the surface of the patterned bulge layer. The metal layer includes a plurality of nanoparticles located on the surface of the photocatalytic active layer away from the substrate.

Abstract: A system for monitoring cell-substrate impedance of excitable cells at millisecond time resolution and methods of assessing cell beating by monitoring cell-substrate impedance of beating cells at millisecond time resolution.

Abstract: A method for making a graphene nanoribbon composite structure includes providing a substrate including a plurality of protrusions spaced apart from each other. A graphene film is grown on a growth substrate, an adhesive layer is on a surface of the graphene film away from the growth substrate. After removing the growth substrate, the graphene film and the adhesive layer are cleaned with water or an organic solvent. The graphene film, the adhesive layer, and the substrate are combined and then are dried, so that a plurality of wrinkles are formed near the plurality of protrusions. The adhesive layer is removed, and after etching a surface of the graphene film away from the substrate, the graphene films except for the plurality of wrinkles are removed, to form a plurality of graphene nanoribbons.

Abstract: A method for making a field effect transistor includes providing a graphene nanoribbon composite structure. The graphene nanoribbon composite structure includes a substrate and a plurality of graphene nanoribbons spaced apart from each other. The plurality of graphene nanoribbons are located on the substrate and extend substantially along a same direction, and each of the plurality of graphene nanoribbons includes a first end and a second end opposite to the first end. A source electrode is formed on the first end, and a drain electrode is formed on the second end. The source electrode and the drain electrode are electrically connected to the plurality of graphene nanoribbons. An insulating layer is formed on the plurality of graphene nanoribbons, and the plurality of graphene nanoribbons are between the insulating layer and the substrate. A gate is formed on a surface of the insulating layer away from the substrate.

Abstract: A method for making a field effect transistor includes providing a graphene nanoribbon composite structure. The graphene nanoribbon composite structure includes a substrate and a plurality of graphene nanoribbons spaced apart from each other. The substrate includes a plurality of protrusions spaced apart from each other, and one of the plurality of graphene nanoribbons is on the substrate and between two adjacent protrusions. An interdigital electrode is placed on the graphene nanoribbon composite structure, and the interdigital electrode covers the plurality of protrusions and is electrically connected to the plurality of graphene nanoribbons.

Abstract: A model including a first co-simulation component and a second co-simulation component is analyzed. During execution of the model, the first co-simulation component outputs data to the second co-simulation component via a connection. The connection is declared as a continuous-time rate connection for input of the data into the second co-simulation component. Based on analyzing the model, the connection is identified as a discrete-continuous sample time connection based on data being communicated from the first co-simulation component to the second co-simulation component via the connection at a discrete-time rate when the model is executed in a co-simulation manner.

Abstract: A thin film transistor includes a gate electrode, a insulating medium layer and at least one Schottky diode unit. The at least one Schottky diode unit is located on a surface of the insulating medium layer. The at least one Schottky diode unit includes a first electrode, a semiconductor structure and a second electrode. The semiconductor structure comprising a first end and a second end. The first end is laid on the first electrode, the second end is located on the surface of the insulating medium layer. The semiconducting structure includes a nano-scale semiconductor structure. The second electrode is located on the second end.

Abstract: A model including a first co-simulation component and a second co-simulation component is analyzed. During execution of the model, the first co-simulation component outputs data to the second co-simulation component via a connection. The connection is declared as a continuous-time rate connection for input of the data into the second co-simulation component. Based on analyzing the model, the connection is identified as a discrete-continuous sample time connection based on data being communicated from the first co-simulation component to the second co-simulation component via the connection at a discrete-time rate when the model is executed in a co-simulation manner.

Abstract: The disclosure relates to a method for making a photocatalytic structure, the method comprising: providing a carbon nanotube structure comprising a plurality of carbon nanotubes intersected with each other; a plurality of openings being defined by the plurality of carbon nanotubes; forming a photocatalytic active layer on the surface of the carbon nanotube structure; applying a metal layer pre-form on the surface of the photocatalytic active layer; and annealing the metal layer pre-form.

Abstract: The disclosure relates to a photocatalytic structure. The photocatalytic structure includes a carbon nanotube structure, a photocatalytic active layer coated on the carbon nanotube structure, and a metal layer including a plurality of nanoparticles located on the surface of the photocatalytic active layer. The carbon nanotube structure comprises a plurality of intersected carbon nanotubes and defines a plurality of openings, and the photocatalytic active layer is coated on the surface of the plurality of carbon nanotubes. The metal layer includes a plurality of nanoparticles located on the surface of the photocatalytic active layer.

Abstract: A three-dimensional data point encoding method includes determining maximum values of range values of an initial block of target three-dimensional data points in a radial distance direction, a zenith angle direction, and an azimuth angle direction according to position coordinates of the target three-dimensional data points in a spherical coordinate system, performing partitioning processes on the initial block, and encoding the target three-dimensional data points according to partitioning results of the initial block. Performing the partitioning processes on the initial block includes performing at least one octree partitioning process on the initial block to obtain a plurality of first-type sub-blocks and performing at least one of a quadtree partitioning process or a binary tree partitioning process on at least one of the plurality of first-type sub-blocks.

Abstract: The present disclosure provides a three-dimensional (3D) data point set processing method, the 3D data point set being divided by a multi-tree method. The 3D) data point set processing method includes encoding or decoding a Nth layer of the multi-tree in by using a breadth-first approach; and encoding or decoding a first node by using a depth-first approach when all 3D data points in the first node of the Nth layer fall into a same node of a Mth layer under the first node, wherein N and M are integers greater than or equal to one.

Abstract: The present disclosure provides a distance measuring device. The distance measuring device is configured to detect a target scene to generate point cloud data, the point cloud data including a distance and/or an orientation of a detection object relative to the distance measuring device. An accumulation time of the point cloud data of one or more frames is greater than a time interval between outputting the point cloud data of adjacent frames.

Abstract: A three-dimensional data point encoding method, decoding method, and encoding device. The encoding method includes: determining maximum values of side lengths of a cuboid of three-dimensional data points to be encoded in three directions according to position coordinates of the three-dimensional data points to be encoded; performing at least one octree partition process on the cuboid, to obtain a plurality of first-type sub-blocks; performing at least one quadtree partition process or binary tree partition process on at least one first-type sub-block of the plurality of first-type sub-blocks; and encoding the three-dimensional data points to be encoded according to partition results of the cuboid.

Abstract: Systems and methods automatically construct a realization of a model from an available set of alternative co-simulation components, where the realization meets one or more objectives, such as fidelity, execution speed, or memory usage, among others. The systems and methods may construct the realization model by setting up and solving a constrained optimization problem, which may select particular ones of the alternative co-simulation components to meet the objectives. The systems and methods may configure the realization, and execute the realized model through co-simulation. The systems and methods may employ and manage different execution engines and/or different solvers to run the realization of the model.

Abstract: A ranging system includes a plurality of ranging apparatuses. Each of the plurality of ranging apparatuses is configured to emit a laser pulse sequence, receive a laser pulse sequence reflected by an object, and detect the object according to the laser pulse sequence emitted and the laser pulse sequence received. The two or more ranging apparatuses of the plurality of ranging apparatuses are configured to emit laser pulse sequence with different time sequences and/or to emit different laser pulse sequences.

Abstract: Disclosed herein are techniques for implementing a distributed sensor (LIDAR) system with a management system (e.g., a controller) that controls and interfaces with multiple sensors in the distributed sensor system. A representative management system can control an operational state (e.g., power on, reset, over-current protection, etc.), an operating mode (e.g., modes corresponding to varying levels of performance), etc. The management system can combine separate outputs from the individual sensors into a combined output (e.g., point cloud). The management system can assist installation of the sensors, manage a self-test and/or a self-calibration of the sensors, or a combination thereof.