Abstract: A system for disposing a high-moisture mixed waste composed of kitchen garbage and water-containing sludge is provided, including a mixed waste storage device, a mixed waste primary-drying device and a mixed waste incinerating device. The mixed waste primary-drying device includes a mixed waste primary-drying body, a primary-drying material inlet, a primary-dried material outlet, a drying gas inlet and a primary waste gas outlet. A discharging outlet of the mixed waste storage device is connected with the primary-drying material inlet through the first conveying belt. The mixed waste incinerating device includes an incinerator, an incineration material inlet, an incineration material outlet, a combustion-supporting gas inlet and a flue gas outlet. The incineration material inlet is connected with the primary-dried material outlet through the second conveying belt and the combustion-supporting gas inlet is connected with the primary waste gas outlet. The flue gas outlet is connected with the drying gas inlet.

Abstract: This application discloses a silicon carbide (SiC)-loaded graphene photocatalyst for hydrogen production under visible light irradiation and a preparation method thereof. Pure SiC and pure black carbon are respectively prepared and mixed to obtain a mixture with a resistance less than 100?. Then the mixture was vacuumized and processed with a current pulse with an increasing voltage until a breakdown occurs, and subjected to ultrasonic stirring, centrifugal washing and vacuum drying in turn to obtain the SiC-loaded graphene photocatalyst. By means of the current pulse, a heterojunction is formed between SiC and graphene to improve the catalytic activity of the photocatalyst; and the photocatalytic hydrogen production rate of SiC nanoparticles can be enhanced after loaded on the graphene.

Abstract: A method of fabricating a film vibration device, including: photoetching a surface of a silicon wafer to form a circular-hole array; etching an aluminum layer on the silicon wafer; etching the silicon wafer to form a through-hole array to obtain a porous silicon wafer; attaching a polyethylene terephthalate (PET) sheet to a side of the porous silicon wafer; ablating the PET sheet to obtain a porous PET film; attaching a polyvinylidene fluoride (PVDF) film to a lower side of the porous silicon wafer; performing vacuumization above the porous silicon wafer, while heating the PVDF film below the porous silicon wafer to create dome micro-structures on the PVDF film; and laminating the porous PET film on each of two sides of the PVDF film to obtain the film vibration device. This application also provides a cleaning device having the film vibration device.

Abstract: The present invention provides a device for enrichment culture and gravity-type isolation of marine microorganisms in a high-pressure environment. The device includes an enrichment and multistage purification unit and a gravity-type isolation and culture unit. Under a high-pressure and low-temperature environment constructed to be consistent with a marine environment, the enrichment and multistage purification unit is used for realizing a process of enrichment and multistage purification of the marine microorganisms, obtaining a marine microorganism enrichment bacteria liquid and injecting the marine microorganism enrichment bacteria liquid into the gravity-type isolation and culture unit. The gravity-type isolation and culture unit is used for carrying out automatic streaking by means of gravity in the high-pressure environment to achieve solid isolation and culture of the marine microorganisms, such that culturability of the marine microorganisms is effectively improved.

Abstract: A method for manufacturing a core-shell coaxial gallium nitride (GaN) piezoelectric nanogenerator is provided. A mask covering a center part of a gallium nitride wafer is removed. An electrodeless photoelectrochemical etching is performed on the gallium nitride wafer to form a primary GaN nanowire array on a surface of the gallium nitride wafer. A precious metal layer provided on the surface of the gallium nitride wafer is removed and an alumina layer is deposited on the surface of the gallium nitride wafer to cover the primary GaN nanowire array to obtain a core-shell coaxial GaN nanowire array. A first conductive layer is provided on a flexible substrate to which the core-shell coaxial GaN nanowire array is transferred. A second conductive layer is provided at a top end of the core-shell coaxial GaN nanowire array, and is connected to an external circuit to obtain the core-shell coaxial GaN piezoelectric nanogenerator.

Abstract: A dimensionless kinematics calibration method based on a virtual point and a related apparatus thereof. The method comprises: establishing a kinematics model of a motion mechanism, and arranging a plurality of virtual points at a tail end of the motion mechanism to establish a dimensionless kinematics model and a dimensionless error model; converting a measurement coordinate system into a motion mechanism coordinate system, acquiring a rotation matrix and a translation matrix of a target virtual point measured by the measurement device, and calculating actual coordinates of all virtual points to obtain a measured value of the dimensionless kinematics model; calculating a theoretical value of the dimensionless kinematics model according to a spatial relationship between a reflecting head and the tail end of the motion mechanism; and optimizing the dimensionless error model according to the measured value and the theoretical value to obtain a calibration result.

Abstract: The present disclosure provides a bimetallic coordination metal-organic framework material, a preparing method thereof, and an application thereof. In the bimetallic coordination metal-organic framework material, carboxyl groups and soft groups of ligands are coordinated with coordination metal ions to assemble a structure having space and functions divided into covalent charge carrier layers and charge storage ion layers. Further, through the conjugation effect, the bimetallic coordination metal-organic framework material has unique electromagnetic properties, good electrical conductivity, and magnetic coupling performance. Thus, the bimetallic coordination metal-organic framework material is used as superconducting materials, conductive materials, semiconductor materials, or electromagnetic materials.

Abstract: Disclosed are a dry ice cleaning and recycling device and a method a connecting rod. The device includes a dry ice ejector module, a clamping module, and a box, and the dry ice ejector module and the clamp module are both arranged in the box; the dry ice ejector module includes a spray gun guide rail and a cleaning nozzle vertically and slidably connected to the spray gun guide rail; and the clamp module includes a clamp guide rail and a clamp horizontally and slidably connected to the clamp guide rail. The device further includes a dry ice recycling device, the dry ice recycling device includes a dry ice recycling collector and a condenser pipe, and two ends of the condenser pipe are communicated with the box and the dry ice recycling collector respectively.

Abstract: The present disclosure belongs to the technical field of power batteries, and in particular relates to a phase change composite and a preparation method and use thereof. The phase change composite includes the following components in parts by weight: 50 parts to 70 parts of a phase change material (PCM), 10 parts to 20 parts of a maleic anhydride graft, 1 part to 5 parts of a thermal conductivity enhancer, and 15 parts to 30 parts of a flame retardant; where the flame retardant includes melamine and triphenyl phosphate. The phase change composite has flame retardancy, high latent heat, and great thermal conductivity.

Abstract: A tracking measurement method, apparatus and device for a pose of a tail end of a manipulator. The method comprises: shooting a first calibration board mounted at the tail end of the manipulator by a monocular measurement camera, acquiring multiple sets of first transformation matrices, and mounting the monocular measurement camera on a pitch axis of a pan-tilt; shooting a second calibration board by a global camera, and acquiring multiple sets of second transformation matrices; when a calibration center of the first calibration board is in a center of a field of view of the monocular measurement camera, calculating a measured pose of the tail end of the manipulator; and when the calibration center of the first calibration board deviates from the center of the field of view of the monocular measurement camera, calculating a direction deviation angle, and adjusting the pitch axis and a horizontal axis of the pan-tilt.

Abstract: The present invention provides a method for extracting a neuroimaging biomarker based on an interpretable ensemble three-dimensional convolutional neural network (3DCNN) to address limitations in the prior art. The present invention derives a novel neuroimaging biomarker P-score from prediction results obtained by an ensemble three-dimensional convolutional neural network model. The solution can help researchers to conduct studies on longitudinal trajectory changes of structural magnetic resonance imaging (sMRI) during the progression of Alzheimer's disease, and analyze an association of the longitudinal trajectory changes with neurodegenerative changes of Alzheimer's disease subjects. The extracted neuroimaging biomarker can provide a basis for predicting a sequence of intervention of brain regions in the neurodegenerative changes of Alzheimer's disease patients and upcoming clinical symptoms.

Abstract: The present invention provides a device for single-cell high-throughput sorting in a marine in-situ environment. The device includes a pressure-resistant visual sorting cabin, an optical identification system and an automatic sorting system; a microorganism-containing bacteria liquid is injected into the pressure-resistant visual sorting cabin; the enriched microorganisms is dispersed and pass through a channel via a carrier chip disposed in the pressure-resistant visual sorting cabin; when the enriched microorganisms pass through the carrier chip, the microorganisms are observed and identified via the optical identification system; and the automatic sorting system automatically sorts the microorganisms according to a microorganism identification result. The present invention further provides a method for single-cell high-throughput sorting in the marine in-situ environment.

Abstract: A method is disclosed that divide a total frequency band of a communication system into several equally spaced non-overlapping information channels, which are allocated to different users; the information channels are in one-to-one correspondence with the users; user signals from different addresses are distinguished based on frequency, thereby completing the multiple access connection; and duplex communication between two users uses a fundamental frequency and harmonics for information transmission. A process of the information transmission is as follows: different information is first modulated and then is separately loaded on different harmonic components, different information is transmitted through different harmonic components or component combinations so that each pair of information channels can transmit N groups of different information at the same time, and finally the fundamental frequency and harmonic information received by a receiving end is demodulated to obtain all the transmitted information.

Abstract: A reconstruction method for DCSK signals is provided. An information bit sequence to be transmitted is acquired, which is processed by serial-to-parallel conversion. A processed information bit sequence is input into a modulator for modulation to obtain a modulated signal matrix. Cross multiplication is performed between the modulated signal matrix and a chaotic signal to obtain an original information-bearing matrix, which is reconstructed according to a predetermined reconstruction matrix to obtain an information-bearing reconstruction matrix. A transmission symbol is generated according to the information-bearing reconstruction matrix and a reference signal matrix in combination with frame structure information of the transmission symbol, and is sent to a receiving end via a wireless network to demodulate a received signal according to a reconstruction matrix. A reconstruction device for DCSK signals is also provided.

Abstract: The present invention provides a pose estimation method for an unmanned aerial vehicle based on point, line and plane feature fusion, the method comprises the following steps: S1 extracting an RGB image and a depth map by using an RGB-D camera; S2 constructing a plane parameter space (PPS) according to the depth map, and mapping the depth map from a Cartesian space to the plane parameter space (PPS); S3 constructing an inverse octree structure, comprising: reversely constructing cell nodes for the plane parameter space (PPS) according to an octree rule, and for each cell node, performing fitting by using Gaussian distribution; S4 extracting a plane feature, comprising: extracting the plane feature on the basis of degree of feature extraction algorithm of the inverse octree; S5 extracting a linear feature, comprising: extracting a linear feature on the RGB image by using LSD algorithm detection.

Abstract: A cutting stock method for a rectangular sheet with defects includes: acquiring information of the rectangular defective sheet, including dimension information of the rectangular sheet and target blocks, and location information of the defects; acquiring a cutting position discrete set of the rectangular sheet; cutting the rectangular sheet according to the cutting position discrete set into a plurality of target blocks; calculating a sum of values of the target blocks, and selecting an optimal cutting solution with the largest sum of values; and cutting the rectangular sheet according to the optimal cutting solution.

Abstract: A method for constructing a porous micro-nano structure, includes: thoroughly mixing glass powders and metal powders to obtain a mixture; coating the mixture on a surface of a substrate, and forming a coating on the surface, wherein a temperature of forming the coating and a melting point of the glass powders comply with the following formula: Tforming?Tglass?50° C.; and constructing a surface structure of the coating to obtain a porous micro-nano structure coating on the surface, such that a material with a porous micro-nano structure is obtained. The method is simple and has a low cost. The porous micro-nano structure coating prepared has excellent mechanical stability.

Abstract: A method for constructing a porous micro-nano structure, includes: thoroughly mixing glass powders and metal powders to obtain a mixture; coating the mixture on a surface of a substrate, and forming a coating on the surface, wherein a temperature of forming the coating and a melting point of the glass powders comply with the following formula: Tforming?Tglass?50° C.; and constructing a surface structure of the coating to obtain a porous micro-nano structure coating on the surface, such that a material with a porous micro-nano structure is obtained. The method is simple and has a low cost. The porous micro-nano structure coating prepared has excellent mechanical stability.

Abstract: A method for integrally forming a graphene film (GF) of a high specific surface area (SSA) by ultrafast ultraviolet (UV) laser processing, includes: selecting a carbon precursor material, where the carbon precursor material is one selected from the group consisting of a biomass/hydrogel composite and a heavy hydrocarbon compound; adding an activator solution to an inside of the carbon precursor material to obtain a composite with an activator uniformly loaded, and spreading the composite on a flexible substrate to form a carbon precursor material layer; heating and drying the carbon precursor material layer; in-situ processing with an ultrafast UV laser to obtain an activated GF of a high SSA; and cleaning and drying the activated GF. With the method of the present disclosure, a microporous activated GF of a high SSA can be directly processed in-situ on a flexible substrate.

Abstract: The present disclosure discloses a terahertz detector based on a Schottky contact grating structure. THz response frequency points are adjusted by adjusting parameters (a grating width, a grating length, a grating region area, a grating period, and a grating pattern form) of the Schottky contact grating structure (in the detector design stage, the grating structure parameters can be adjusted according to the actually required detection frequency points (single frequency point or multiple frequency points)), thereby realizing single-frequency detection or realizing that one detector supports the detection of multiple frequency points. The grating is introduced into the Schottky Barrier Diode, so that the grated Schottky contact resonates with the terahertz waves, the plasma resonance effect is enhanced, and the detection sensitivity is further improved.