Abstract: The invention discloses a method for three-dimensional human pose estimation, which can realize the real-time and high-precision 3D human pose estimation without high configuration hardware support and precise human body model. In this method for three-dimensional human pose estimation, including the following steps: (1) establishing a three-dimensional human body model matching the object, which is a cloud point human body model of visible spherical distribution constraint. (2) Matching and optimizing between human body model for human body pose tracking and depth point cloud. (3) Recovering for pose tracking error based on dynamic database retrieval.

Abstract: 3D reconstruction method based on deep learning includes the following steps: (1) The potential vector constrained in the input image is used to reconstruct the complete 3D shape of the target, and the mapping between the part and the complete 3D shape is learned, then the 3D reconstruction of a single depth image is realized. (2) Learn the intermediate feature representation between the 3D real object and the reconstructed object to obtain the target potential variables in step (1). (3) The voxel floating value predicted in step (1) is transformed into binary value by using the limit learning machine to complete high-precision reconstruction.

Abstract: A light homogenization method for multi-source large-scale surface exposure 3D printing, comprising the following steps: projecting pure-color images of a first color and a second color having identical attributes capturing an image of an overlapping portion and calculating height and width information of the overlapping portion; splitting a pre-processed slice and respectively recording width and height information of two slices resulting from the splitting and generating two grayscale images having identical attributes thereto; counting power values of identical positions of slices in different grayscale values, performing a further calculation to obtain a projection mapping function, using the projection mapping function as a basis for performing optimization on grayscale interpolation of the generated images; and fusing the processed grayscale images and the originally split two slices to obtain a surface exposure 3D printing slice having a uniform brightness in final shaping.

Abstract: The present invention relates to a visual efficacy measuring method for objects in different light environments, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) a driver visually recognizing a target object; (d) resetting the light environment, and repeating the step (c); (e) processing the visual recognition information data collected by the experiments so as to establish a relationship of the visual recognition time in relation with the light environmental parameters of color temperature, color rendering index and brightness; (f) performing visual efficacy analysis according to the processing results of the visual recognition information data.

Abstract: A processing method for image tensor data, which can greatly reduce the number of free parameters in the model, limit the weight layer flexibly, and can be applied to any order of image tensor data. In this processing method for image tensor data, TTRBM model of Restricted Boltzmann machine with tensor train format is introduced. The input and output data of this method are both represented by tensors, and the weight of the middle layer is also represented by tensors, and the restricted weight has the structure of tensor train. The number of free parameters in the middle layer is controlled by adjusting the rank of tensor train decomposition. The rank of TT decomposition is adjusted, and different feature representations with the same size are expressed.

Abstract: A processing method for high-order tensor data, which can avoid that the vectorization process of the image observation sample set damage the internal structure of the data, simplify the large amount of redundant information in the high-order tensor data in the image observation sample set, and improve the image processing speed. In this processing method for high-order tensor data, the high-order tensor data are divided into three parts: the shared subspace component, the personality subspace component and the noise part; the shared subspace component and the personality subspace component respectively represent the high-order tensor data as a group of linear combination of the tensor base and the vector coefficient; the variational EM method is used to solve the base tensor and the vector coefficient; design a classifier to classify the test samples by comparing the edge distribution of samples.

Abstract: An n-shape connected split column for underground structure comprises a prefabricated reinforced concrete column, n-shape connector, exterior packaged steel sheet, reserved connecting reinforcement and reserved high strength bolt. The subject of the prefabricated reinforced concrete column is an ordinary reinforced concrete column; the reserved connecting reinforcement is reserved on the top and bottom of the prefabricated reinforced concrete column; a high strength bolt is reserved on adjacent side faces. The n-shape connector connects with prefabricated reinforced concrete column through reserved high strength bolt; they are installed in underground structure through reserved connecting reinforcement. The exterior packaged steel sheet is pasted on the exterior of the prefabricated reinforced concrete column, and coadjacent prefabricated reinforced concrete column and connection gap between them is overall packaged to ensure the performance of split column under normal service condition.

Abstract: The present disclosure discloses a preparation method of pressed Scandia-doped dispenser cathode using microwave sintering. Embodiments of the present disclosure include dissolving some nitrates and ammonium metatungstate with deionized water to prepare a homogeneous solution. Precursor powder with uniform size is obtained by spray drying, the precursor powder is decomposed, and two-step reduction may be proceeded to form doped tungsten powder with uniform element distribution. The cathode is prepared by one-time microwave sintering. One-time forming of cathode sintering is realized, and sintering shrinkage and sintering time are reduced significantly. The method has excellent repeatability, and the cathode has a homogeneous structure and excellent emission performance at 950° C.

Abstract: A method for recovering valuable metals and simultaneously preparing ceramsite by roasting cyanide tailing belongs to the area of comprehensive recovery and high value utilization of metallurgical waste residue. In this method, cyanide tailings, bentonite, calcium chloride, coal powder and albite are mixed by ball milling according to certain weight ratio to get a mixture. After drying and roasting twice, dust is collected from the roasted ash, the obtained polymetallic ash is collected and treated. The secondary calcined material is cooled to obtain ceramsite. The invention volatilizes and recovers the valuable metal in the roasting and sintering process of cyanide tailings and directly prepares the ceramsite through reasonable batching, which achieves the effect of recycling cyanide tailings and high-value utilization, can create good economic and environmental benefits, and has significant effect of energy saving and consumption reduction.

Abstract: A method for separating nickel and cobalt from a solution includes the steps of: obtaining a solution containing nickel and cobalt by acid leaching of a cathode material of a waste lithium-ion battery, adjusting the pH of the solution containing nickel and cobalt to 3.5 to 4.5, adding extractants for extraction to separate the nickel and the cobalt. The cobalt enters the organic phase, the nickel remains in the aqueous phase, and the extractants contain an acidic extractant and an alkaline extractant. The method for efficiently separating nickel and cobalt through extraction adopts a non-saponification extraction method without using NaOH as a saponifier, thereby avoiding the discharge of saponification wastewater. Under acidic conditions, the cobalt in an acidic leaching solution is effectively extracted and separated into the organic phase through synergistic action of the acidic extractant and the alkaline extractant, thereby realizing the separation of nickel from cobalt.

Abstract: The present disclosure relates to a method for high precision laser processing of sapphire with submicron-order section plane using a picosecond-order pulse laser which has high transmittance wavelength to sapphire. The laser triggers ultrafine phase transformation points or electronic state removal points from a lower surface of sapphire. After elevating focal points, a trace which is parallel to laser incident direction is formed. Under a chemical corrosion environment, points of the laser trace are arranged to intersect with other another according to the cutting route to form the corresponding phase transformation region and electronic state removal region. At the same time, by utilizing the catalysis effect of microthermal effect of picosecond laser on chemical corrosion, separation of the sapphire sample along the processing path is obtained.

Abstract: In this present disclosure, a computing implemented method is designed for predicting the effluent total nitrogen concentration (TN) in an urban wastewater treatment process (WWTP). The technology of this present disclosure is part of advanced manufacturing technology and belongs to both the field of control engineer and environment engineer. To improve the predicting efficiency, a recurrent self-organizing radial basis function (RBF) neural network (RSORBFNN) can adjust the structure and parameters simultaneously. This RSORBFNN is developed to implement this method, and then the proposed RSORBFNN-based method can predict the effluent TN concentration with acceptable accuracy. Moreover, online information of effluent TN concentration may be predicted by this computing implemented method to enhance the quality monitoring level to alleviate the current situation of wastewater and to strengthen the management of WWTP.

Abstract: The present invention provides a process for recycling waste carbide, wherein the waste carbide is directly used as anode and electrolyzed in the molten salt, comprising the following steps: 1) the vacuum dehydrating of the molten salt electrolyte; 2) electrolyzing the waste carbide, which is used as anode, and an inert electrode, which is used as cathode in the molten salt electrolyte with the electrolysis temperature of 350˜1000° C.; 3) separating and collecting the metal powder obtained by electrolysis from molten salt medium. According to the technical solutions of the present invention, tungsten and cobalt ions can be dissolved from the anode material-waste carbide directly into the molten salt medium and deposited on the cathode plate with being driven by the electrolysis voltage, to obtain the metal powder particles. The tungsten, cobalt and other products obtained by electrolysis can be used as carbide materials, high temperature structural materials, weapons materials, photocatalytic materials, etc.

Abstract: A heat-pipe membrane module belongs to a heat recycle device. The heat-pipe membrane module is composed of a membrane module and heat pipes. The whole heat pipe is placed in the membrane module where there is heat can be recycled; or one end of heat pipe is placed in the membrane module where there is heat can be recycled and the other end of heat pipe is outside the membrane module. Here, the heat pipe comprises a metal tube, wick and the working fluid, wherein, both ends of the metal tube have covers; the wick is evenly distributed in the inner surface of metal tube, which has a capillary effect; the working fluid fills the wick. The heat-pipe membrane module mentioned above is simple, cheap, and heat efficiency.

Abstract: A heat-pipe membrane module belongs to a heat recycle device. The heat-pipe membrane module is composed of a membrane module and heat pipes. The whole heat pipe is placed in the membrane module where there is heat can be recycled; or one end of heat pipe is placed in the membrane module where there is heat can be recycled and the other end of heat pipe is outside the membrane module. Here, the heat pipe comprises a metal tube, wick and the working fluid, wherein, both ends of the metal tube have covers; the wick is evenly distributed in the inner surface of metal tube, which has a capillary effect; the working fluid fills the wick. The heat-pipe membrane module mentioned above is simple, cheap, and heat efficiency.

Abstract: The present disclosure involves a preparation method of bio-based silica/poly (itaconate-ter-isoprene-ter-glycidyl methacrylate) nanocomposite. Bio-based silica/poly (itaconate-ter-isoprene-ter-glycidyl methacrylate) nanocomposite is environment-friendly, and silica and poly (itaconate-ter-isoprene-ter-glycidyl methacrylate) are derived from non-petroleum base materials, which do not rely on fossil fuel. Compared with nanocomposite without nanocomposite, nanocomposites with glycidyl methacrylate have better silica diffusion, mechanical properties and wet-skid resistance of rubber product are improved while consuming the same time. Further, rolling resistance is decreased so that using silane coupling agent is avoided. Therefore, the processing technology is simplified, and VOC emission is avoided. It is a kind of “green tire” rubber product.

Abstract: The invention relates to an illumination standard calculation method for a tunnel entrance section in daytime based on safe visual recognition.

Abstract: A multi-degree-of-freedom (Multi-DOF) 3D printing device includes a printer mechanism, a rotatable platform, a visual inspection system, and a control system. The printing mechanism includes a print head. The printing mechanism and the rotatable platform are combined to have three degrees of freedom of translation, and the rotatable platform has two degrees of freedom of rotation. The visual inspection system includes a camera mounted to nearby the print head and the relative position of camera and print head remains constant. The control system is configured to implement the printing process. The model is decomposed into several components, each of which could be printed in a single direction. After one component is printed out, the platform is then rotated so that the cutting plane for the component will be printed is horizontal.

Abstract: The present disclosure discloses a porous structure Si/Cu composite electrode of a lithium ion battery and a preparation method thereof. The composite electrode comprises an active substance, a bulk porous Cu and a current collector, wherein the active substance Si is embedded into the bulk porous Cu, and the bulk porous Cu is in metallurgical bonding with the current collector and plays a dual role of “binder” and “conductive agent”, which not only relieves the pulverization and the shedding of the active substance Si particles but also improves electron transmission efficiency; and meanwhile, the porous structure increases the contact area between the active substance Si and electrolyte and increases the reaction efficiency of lithium insertion combination.

Abstract: A double-tilt in-situ nanoindentation platform for TEM (transmission electron microscope) belongs to the field of in-situ characterization of the mechanical property-microstructure relationship of materials at the nano- and atomic scale. The platform is consisted of adhesive area, support beams, bearing beams, sample loading stage and mini indenter. The overall structure of the platform is prepared by semiconductor microfabrication technology. The in-situ nanoindentation experiment can be driven by bimetallic strip, V-shaped electro-thermal beam, piezoelectric ceramics, electrostatic comb or shape memory alloys et. al. The sample is obtained by focused ion beam cutting. The integrated platform can be placed in the narrow space on the front end of the TEM sample holder, giving rise to the condition of double-axis tilt. The driving device drives the mini indenter to carry out in-situ nanoindentation, in-situ compression and in-situ bending and the like of the materials in TEM.