63results about How to "Shorten fusion time" patented technology

The invention discloses a multi-strategy image fusion method under a compressed sensing framework, mainly solving the problems of large calculated amount, high time complexity and large storage space of the traditional image fusion method. The multi-strategy image fusion method comprises the following implementation processes: inputting original images A and B and dividing the original images A and B into local images X1 and X2 of C*C in size; respectively carrying out Fourier transformation on X1 an X2 to obtain coefficient matrixes y1 and y2; observing y1 and y2 respectively by adopting a Fourier coefficient low-frequency full variable-density observing model to obtain observation vectors f1 and f2; calculating harmonic coefficients H1 and H2 and frequency-spectrum matching degree S according to f1 and f2; selecting a threshold T and calculating a weighting coefficient; comparing the weighting coefficient, the threshold and the frequency-spectrum matching degree to calculate a fused observation vector f; and iterating the observation vector f for twenty times by using a Split Bregman reconfiguration algorithm to finally obtain a required fused image. Compared with the traditional fusion method, the multi-strategy image fusion method provided by the invention has the advantages of low calculation complexity and good fusion effect, and can be used for video tracking, target recognition and computer vision.

The invention discloses a data fusion publishing mechanism based on differential privacy, which comprises the following steps: step 1, determining a plurality of data owners, and carrying out data fusion on a data set through a classification fusion algorithm; Step 2, performing personalized differential privacy processing on the fused data, and setting a corresponding privacy budget according toa differential condition; And step 3, adding Laplace noise corresponding to the fused and graded data set to obtain fused privacy data with different privacy protection levels. According to the algorithm, the defect that a current data fusion publishing algorithm cannot resist background knowledge attacks is overcome, hierarchical publishing of personalized services is provided, meanwhile, time spent on data fusion is shortened, and it is guaranteed that the fused and published data have good quality and value.

The invention provides an artificial tooth implant. The artificial tooth implant is composed of a body part, a neck part and an abutment, wherein the body part is a porous metal material; the porous metal material is a multi-grade-pore metal material; the multi-grade-pore metal material is composed of all grades of pore cavities which are graded according to the pore diameter size of the material and all grades of cavity walls for forming the pore cavities through surrounding; all grades of the pore cavities are mutually communicated respectively and all grades of the pore cavities are also mutually communicated respectively; the number of grades is two at least. Compared with the fusion time of a traditional artificial tooth implant with a body part which is a porous metal material with single pores, the fusion time between the artificial tooth implant and an adjacent bone tissue is remarkably shortened; the artificial tooth implant is firmly fixed on a gum so that the problems that an interface is not stable and loose are overcome.

The invention requests to a discrete orthogonal polynomial transformation-based multi-focus image fusion method. The method includes the following steps that: a plurality of images which need to be fused are divided into blocks, and m n*n blocks are obtained; discrete orthogonal polynomial transformation is performed on each block, so that corresponding transformation coefficients can be obtained, and the spatial frequency of each block is obtained based on relationships between the spatial frequency (SF) and the discrete orthogonal polynomial transformation coefficients; the spatial frequencies of the blocks corresponding to the plurality of images are compared with each other, and the plurality of images are fused according to a fusion rule of largest spatial frequencies; and consistency verification is performed on a fused image, and a final fused image can be obtained. Compared with a traditional multi-focus image fusion method, and according to the discrete orthogonal polynomial transformation-based multi-focus image fusion method of the invention, the discrete orthogonal polynomial transformation is adopted initiatively, and the relationships are built between the spatial frequencies of the image and the discrete polynomial transformation coefficients, and therefore, fusion time can be saved, and the fusion effect of the image can be effectively improved.

A chip fuse that not restricted in the degree of freedom of fusing characteristics, realizes prevention of shortening of fusing time at large magnification with respect to rated current and attainment of shortening of fusing time at small magnification with respect to rated current. A chip fuse (10) has a first heat storage layer (12) of film material with low thermal conductivity superimposed onan insulating substrate (11) and has a fuse film (13) superimposed on the first heat storage layer (12) so as to avoid contact with the insulating substrate (11). The fuse film (13) has a fuse element part (13b) interposed between surface electrode parts (13a) disposed at both edges thereof. A second heat storage layer (15) of film material with low thermal conductivity is superimposed on the fuse element part (13b). The first heat storage layer (12) is thicker than the second heat storage layer (15). The first heat storage layer (12) and second heat storage layer (15) are those produced froma sheet material of B-stage state containing a photosensitive group.

A plurality of fuse circuits are layered with a space therebetween in a housing. A fusible portion of one of the layered fuse circuits is offset from a fusible portion of an adjacent one of the layered fuse circuits perpendicularly to a direction in which the fuse circuits are layered. A connection plate of one of the layered fuse circuits is offset from a connection plate of an adjacent one of the layered fuse circuits perpendicularly to a direction in which the fuse circuits are layered. The connection plate has a U-shaped extended portion.

The invention relates to a positive pole piece, a preparation method thereof and a lithium ion battery. The preparation method of the positive pole piece comprises the following steps: step 1, premixing a ternary material with lithium manganate to prepare a cathode active material; step 2, mixing the cathode active material with a binder, a conductive agent and an organic solvent, and pulping the mixture to obtain a stable slurry; step 3, adding a certain amount of lithium carbonate into the slurry; step 4, coating an aluminum foil tape with the slurry, drying, rolling, and slicing, so as to obtain the positive pole piece. The positive pole piece prepared by adopting the preparation method provided by the invention improves the high temperature performance and the cycling stability of lithium ion batteries, greatly reduces the cost of materials, shortens the fusion time of the cathode material, the binder and the conductive agent and improves the production efficiency; besides, as a defined amount of lithium carbonate is added into the slurry, electrolyte decomposition in the cyclic process of batteries is effectively inhibited, and at the same time the solid electrolyte interphase (SEI) film is endowed with better viscoelasticity, the intercalation of lithium ions is facilitated, and both the electrochemical performance and the safety performance of batteries are further improved.

The invention discloses a 3D printing porous interbody fusion cage. The3D printing porous interbody fusion cage comprises a solid frame, a porous structure, meshing teeth, a clamping opening and a bone grafting bin; the porous structure is uniformly filled in the solid frame, so that each side surface of the solid frame is hollowed out; the upper end face and the lower end face of the solid frame are each provided with the plurality of meshing teeth, and the meshing teeth arranged on the end face of the same side of the solid frame are symmetrically arranged; the solid frame is provided with at least one bone grafting bin, and the bone grafting bin penetrates through the upper end face and the lower end face of the solid frame; the clamping opening is formed in the side face of the solid frame. According to the interbody fusion cage, the problems that a traditional interbody fusion cage is too high in elasticity modulus and has a stress shielding effect can be solved, and the elasticity modulus of the interbody fusion cage is close to the elasticity modulus of a human body bone of a patient part as much as possible.

The invention aims to provide a double-impeller ventilating device with hose wind cylinders, which has the advantages of low windage resistance, low air leakage, low cost and high ventilating efficiency. The double-impeller ventilating device comprises a shell and a motor arranged in the shell, wherein both ends of a shaft of the motor are provided with isodromic fan impellers which can relatively rotate, and both ends of the shell are respectively provided with the hose wind cylinders. When the double-impeller ventilating device operates, the fan impellers are driven by the motor through a driving device to rotate in the shell; under the function of atmospheric pressure, outside air continuously flows into one fan impeller from a wind suction hole along a rotating shaft through the hose wind cylinders, the rotating impeller lead the flowed air to obtain energy to prompt the acceleration of the other fan impeller, and consequently, the air can be quickly exhausted into the atmosphere to increase the ventilating efficiency of a mine. The invention adopts a mechanical ventilating method with double impellers and double wind cylinders, the motor power of a fan is reduced under the condition that the wind pressure and the wind quantity of the mine are constantly maintained, and consequently, the invention can achieve the purpose of energy conservation.

The invention discloses a wound repair material for cell suspension transplantation and a preparation method of a wound repair material. The wound repair material comprises a collagen base layer prepared from 3D porous collagen sponge by tabletting treatment, the collagen sponge is prepared from a collagen-based compound solution by crosslinking treatment, the collagen-based compound solution comprises type I collagen protein and a composite, and the composite is elastin or anion mucopolysaccharide. The collagen base layer in the wound repair material for cell suspension transplantation can beused as a support stent for epidermal cell adhesion, proliferation and migration to provide a proper microenvironment for wound healing, the wound repair material can rapidly close donor sites, shallow burn wounds of large-area burn patients and shallow wounds caused by chronic skin ulcer by combining autologous epidermis cell suspension and has better application prospects in cell suspension transplantation.

The invention discloses an object ranking method, device and equipment and a computer storage medium, and relates to the technical field of networks, in particular to the technical field of network ranking lists. According to the specific implementation scheme, the method comprises the steps: determining a first ranking list and intervention information of the first ranking list, wherein the firstranking list comprises a plurality of objects; according to the first ranking list and the intervention information, determining a second ranking list, wherein objects needing intervention do not exist in the second ranking list; determining the positions of the starting rank and the ending rank in the second ranking list; and determining an object to be displayed and the rank of the object according to the object between the position of the starting rank in the second ranking list and the position of the ending rank in the second ranking list and the intervention information. According to the method, the time for responding to the intervention information of the ranking list can be shortened, and the effect of real-time intervention is achieved.

The invention discloses an agricultural water conservancy irrigation device, which comprises a bottom plate, wherein the top of the bottom plate is sequentially and fixedly connected with a water storage tank, a water pump and an irrigation post from left to right; a water inlet pipe and a water outlet pipe of the water pump are communicated with the water storage tank and the irrigation post; thefront side and the back side of the irrigation post are communicated with a first spray head and a second spray head; the first spray head is positioned at the top of the second spray head; a mixingdevice is arranged inside the water storage tank; the mixing device comprises a vertical rod movably arranged inside the water storage tank; two sides of the vertical rod are fixedly connected with stirring rods; the top end of the vertical rod extends to the outside of the water storage tank and is fixedly connected with a turntable. The mixing device is arranged inside the water storage tank; after fertilizers enter the water storage tank, the fertilizers and the water can be fast mixed, so that the fusion time of the fertilizers and the irrigation liquid is shortened; the irrigation time isindirectly shortened; the irrigation efficiency is improved; the use by people is convenient.

The invention discloses a self-locking integrated anterior cervical board, and belongs to the technical field of medical apparatuses. The self-locking integrated anterior cervical board comprises an anterior cervical board body, a clasp and a universal screw. The anterior cervical board body is provided with a locking hole, the hole wall of the locking hole is a spherical surface provided with first sawteeth. The clasp has an opening, the outer wall of the clasp is a second spherical surface provided with sawteeth, the clasp is mounted in the locking hole via elastic deformation, and the first spherical surface and the second spherical surface are mutually embedded via the first sawteeth and the second sawteeth. The inner wall of the clasp is provided with a fist thread. The side wall of the head of the universal screw is a conical surface, the side wall of the head is provided with a second thread matching the first thread, the head of the universal screw is screwed into the clasp through cooperation of the first thread and the second thread. The self-locking integrated anterior cervical board is good in integration, the anterior cervical board will not loosen and fall off, the anterior cervical board can be locked twice through retreating a nail. The self-locking integrated anterior cervical board is easy to operate and safe in operation, and by adopting the self-locking integrated anterior cervical board, an operation is short in time, stimulation to esophagus and foreign body sensation can be reduced after the operation.

The invention discloses an interbody fusion fixator for lateral anterior-approach vertebral reconstruction, which relates to the field of medical instruments, and aims to solve the technical problem of providing a fusion fixator used in cooperation with a cervical lateral anterior approach operation. The technical scheme adopted by the invention is as follows: the interbody fusion fixator for lateral anterior-approach vertebral reconstruction comprises a fusion fixing body and screws, the fusion fixing body comprises a vertebral body fusion part and an intervertebral fusion part; the vertebralbody fusion part is of a columnar structure in the vertical direction; the vertebral body fusion part comprises front, back, left and right side faces as well as top and bottom faces, a first bone grafting cavity is formed between the top and bottom faces, a second bone grafting cavity is formed between the left and right side faces, the upper portion of the left side face, the lower portion of the left side face, the upper portion of the right side face or the lower portion of the right side face of the vertebral body fusion part is connected with an interbody fusion part; the fusion fixingbody is further provided with at least two screws which are used for being fixed to a relatively large residual vertebral body and adjacent vertebral bodies on the upper side and the lower side respectively. The interbody fusion fixator is suitable for cervical lateral anterior approach surgery.

The invention discloses a high-voltage current-limiting fusing protection device. The device comprises a fuse and a zinc oxide nonlinear element connected with the fuse in parallel, and further comprises a high-voltage isolation switch and a vacuum circuit breaker which are connected to the two ends of the fuse respectively in series, wherein the fuse comprises a plurality of fuse pieces which arestacked and connected in parallel, a plurality of fuse holes are evenly distributed in the fuse pieces, and the fuse holes are in a semi-elliptical arc shape and are symmetrically formed in the two sides of the fuse pieces. According to the high-voltage current-limiting fusing protection device, the fusing time is short, and the load is prevented from being damaged.