272results about How to "High split efficiency" patented technology

The invention relates to the communication field data transmission, in particular to an Internet protocol security (IPSEC) tunnel data transmission method and an IPSEC tunnel data transmission device. The invention provides the IPSEC tunnel data transmission method and the IPSEC tunnel data transmission device. Due to the fact that IP messages of the same kind are combined and compressed through a coprocessor and the like, an IPSEC tunnel model data are packaged to send by an outer network card. Due to the fact that after fragmentation IP message data are rebuilt, the coprocessor is uncompressed and the like, the rebuilt IP message data are divided into each different original IP message and sent through an inner network card, and a data transmission performance of an IPSEC tunnel can be largely improved. Data processing is carried out through the networks, a network data receiver and a network data sending device. The IPSEC tunnel data transmission method and the IPSEC tunnel data transmission device are mainly used in the field of the IPSEC tunnel data transmission.

The invention relates to a solar cell with a small organic molecule mixture heterojunction, which comprises a transparent insulating layer, wherein a transparent electrode layer, a first buffer layer, a first photosensitive layer, a second photosensitive layer, a third photosensitive layer, a second buffer layer and a high-reflectivity electrode layer are sequentially laminated at one side of the transparent insulating layer; and a lower transition layer is formed at the other side of the transparent insulating layer. The mixture heterojunction and the lower transition layer are combined together, so that the solar spectrum utilization ratio of the organic solar cell and exciton dissociation efficiency can be improved; meanwhile, the high-reflectivity electrode is reasonable utilized, the optical field distribution in the device can be adjusted, therefore, the solar cell can work at an optimum state. The invention also relates to a preparation method of the solar cell.

The invention relates to a rolling bearing fault feature extraction method based on CEEMD and FastICA and belongs to the technical field of fault diagnosis and signal processing and analysis. The method comprises the following steps that: vibration signals are decomposed into IMF components with different frequencies through the CEEMD algorithm, corresponding IMF components are selected accordingto kurtosis criteria so as to be reconstructed into observation signals, and the residual IMF components are reconstructed into virtual noise channel signals; unmixing and denoising processing is performed on the observation signals and the virtual noise channel signals through the FastICA algorithm; demodulation processing is performed on the denoised signals through the Teager energy operator; and FFT (fast Fourier transformation) is performed on the demodulated signals, the frequency spectrum characteristics of the transformed signals are analyzed, the fault characteristic frequencies of the signals are extracted, and a fault diagnosis result is obtained. With the method adopted, the problem of fault information loss during a denoising process and the problem that noises cannot be completely removed due to modal aliasing can be solved; fault fundamental frequencies and frequency multiplication information can be extracted clearly and accurately; and the fault diagnosis result can beobtained.

The invention discloses a single-layer organic solar cell, which comprises a transparent insulating substrate, a transparent anode electrode layer, a metal nanoparticle layer, a photosensitive layer and a cathode electrode layer sequentially stacked on the transparent insulating substrate. The work function value of the metal nanoparticles in the particle layer is higher than that of the transparent anode electrode layer. The metal nanoparticle layer is set in the single-layer organic solar cell of the present invention, thereby further enhancing the built-in electric field of the single-layer organic solar cell device, thereby improving the exciton splitting efficiency of the pair, and finally improving the efficiency of the single-layer organic solar cell. Energy conversion efficiency; the preparation method of a single-layer organic solar cell device uses stable sputtering and vacuum evaporation to form each layer of the solar cell device in sequence, so that the connections between the layers are tight and firm, so that the solar cell device The performance is stable, the production efficiency is high, and it is suitable for industrial production.

Embodiments of the invention provide a video file splitting method and device, an electronic device and a storage medium. The method comprises the steps of determining a frame image segmentation pointof a to-be-split video file; according to the frame image segmentation point, obtaining a key frame of each video segment corresponding to the frame image segmentation point; inputting the key frameinto a pre-trained host identification model to obtain host category information; if the host category information meets a preset screening condition, determining a key frame corresponding to the hostcategory information as a video segmentation point set; according to the video segmentation point set, splitting the to-be-split video files. The video files can be automatically split in batches, manual intervention is not needed, the video splitting efficiency is improved, and meanwhile the production efficiency of short videos is improved.

The invention relates to a method and a system for fast semantic annotation of an e-book. The method is characterized by comprising the following steps that: (1) a directory structure file for describing a structure of the e-book in a way independent of the e-book is created, a chapter list of the e-book is extracted, and a tree hierarchy relationship is created, and simultaneously, each chapter element contains the property of page number information; (2) the semantic annotation of list elements is carried out based on the directory structure file; (3) the e-book is divided into multiple page files, and each page file is a page of the e-book; and (4) the directory structure file, book CIP (cataloging in publication) data, a copyright statement and the multiple page files are packaged to form a complete e-book file package.

The invention provides a design drawing splitting method. According to the world coordinate range of each preset drawing frame, in-block coordinates of each element in the drawing frame are transformed into world coordinates, so that elements required to be split in a single drawing frame are determined, other elements are rejected, all the elements in the single drawing frame are split into single DWG formatted files, the design drawing split work is realized on the basis that the drawing effect is not changed with a manner that a block is not exploded, and the splitting efficiency is also improved with the manner that the block is not exploded; and besides, the design drawing is repaired and cleared before the drawing is split, and accordingly, the condition that the design drawing cannot be normally opened in different CAD (computer aided design) versions is greatly reduced.

The invention provides an oil well production automatic splitting device and method. The oil well production automatic splitting method comprises the following steps of 1, loading well history data of an oil well; 2, loading production data of the oil well; 3, dividing a production stage of the oil well; 4, selecting a production splitting method; 5, performing batch oil well automatic production splitting according to the selected production splitting method; and 6, drawing an oil well production measure curve by using the production splitting result. The oil well production automatic splitting device and method have the characteristics that the oil well production stage is automatically divided; and the oil well production is automatically split by many methods, and the like. The device and the method have the advantages that the batch oil well production splitting efficiency is high; the oil well production splitting methods are many; the oil well production splitting result is precise; and the operation by a user is simple, and the like.

The invention provides a processing workbench and a processing system for PCBs (printed circuit boards). The processing workbench comprises a rotatable rotating disc, a fetching manipulator, a laser cutting machine, a splitting manipulator and a collecting manipulator are uniformly distributed above the rotating disc along the clockwise direction of the rotating disc, and a rotating device for rotating the PCBs to a specified processing position is arranged below the rotating disc. The rotatable rotating disc is adopted for various processes like fetching, cutting, spitting and collecting, sothat compared with conventional board splitting modes, the processing workbench has the advantage that board splitting efficiency can be improved by higher than 10 times.

The invention discloses an intelligent nanometer chiral selector material, as well as preparation and application thereof. The preparation comprises the steps of firstly preparing Fe3O4 magnetic nanoparticles; then modifying the obtained Fe3O4 magnetic nanoparticles through polydopamine; and the like. The material provided by the invention has thermosensitivity, temperature-response chiral selectivity, and magnetic responsiveness, and is capable of quickly and simply decomposing an enantiomer molecule and regenerating the material after splitting an amino acid enantiomer.

The invention discloses a splitting and fast taking device for soft magnetic ferrite cores, which comprises a base plate. A push plate parallel to the base plate is installed at the bottom of the baseplate. Ejector pins are welded in an array on one side of the push plate near the base plate. A bearing plate fixedly connected with the top of the base plate is installed at one end of the ejector pins extending out of the top of the base plate. The bearing plate is provided with through holes which sleeve the ejector pins in a sliding manner. A sintering plate is placed on the top of the base plate. A bracket is installed on the top of the base plate. A driving mechanism is installed along the length direction of the base plate on one side of the bracket near the base plate. A first cylinder is installed vertically on one side of the driving mechanism near the base plate. A rectangular cover is welded vertically to one end of the first cylinder near the base plate. The device of the invention is simple in structure and convenient to operate. By using the device, sintered soft magnetic ferrite cores can be conveniently split and taken, batch operation on soft magnetic ferrite cores is realized, the efficiency of soft magnetic ferrite core splitting and taking after sintering is improved, and the production efficiency of soft magnetic ferrite cores is improved.

The invention discloses a bag folding machine and a bag folding method. A left folding mechanism and a right folding mechanism of the bag folding machine repeatedly use a feeding mechanism and a discharging mechanism, so that the occupied space of the bag folding machine is not multiplied while the number of passes of the folding mechanisms is increased and the production efficiency is improved. In the bag folding process, when one folding mechanism is folding a bag while the other folding mechanism has already folded a bag and is idle, a bag on the feeding mechanism can be conveyed to the idle folding mechanism through a bag distribution mechanism, and the cycle is repeated. According to the scheme, when the feeding mechanism feeds materials to the folding mechanisms, the feeding mechanism needs to wait until the folding mechanisms fold the bags well, and the production efficiency is improved.

The invention provides a plate snapping machine and an aerated concrete blank manufacturing device and relates to the technical field of aerated concrete blank manufacturing equipment. The plate snapping machine comprises a plate snapping assembly, a driving assembly and an installation structure. The plate snapping assembly comprises a first plate snapping piece and a second plate snapping piecewhich are oppositely arranged, and the first plate snapping piece and the second plate snapping piece are movably connected with the installation structure. The driving assembly is connected with theplate snapping assembly and is used for driving the first plate snapping piece and the second plate snapping piece to tilt in the same direction, so that the first plate snapping piece and the secondplate snapping piece are matched to snap a plurality of blanks in the direction of the blank cutting surface. According to the plate snapping machine, a plurality of adhered blanks can be snapped apart by one-time operation, so that the snapping efficiency is improved; and a small amount of oil cylinders are required in the driving assembly, so that the structural complexity and cost of the platesnapping machine can be reduced, and the difficulty in maintenance and repair can be reduced.

The invention discloses an automatic segmenting device and method for orange fruits. The device includes orange fruit positioning equipment, orange fruit segmenting equipment and a frame; the orange fruits are positioned by the orange fruit positioning equipment, image data information of orange fruit segmenting lines are collected, stored and analyzed by using an image data acquisition system toobtain the orange fruit segmenting lines, and the orange fruits are segmented by using the orange fruit segmenting equipment. According to the device and method, after the orange fruits are put into the segmenting equipment, the automatic orange segmenting operation can be realized, and multiple sets of orange fruit positioning equipment and orange fruit segmenting equipment can be arranged in parallel on the device frame, so that the labor cost investment can be reduced, and the orange segmentation is more efficient; by using the image data acquisition system to control the position of orangefruit segmentation, the device can improve the accuracy of the orange segmentation; and by using a combination of a segmentation bow and support knife equipment to segment the orange fruits, the device can automatically segment the orange fruit according to the segmenting lines, so that automatic segmentation and complete cutting of the orange fruits with different specifications can be realized,and the device does not have the phenomenon of orange segment adhesion.

The invention relates to a preparation method for a compound represented by a formula (I) shown in the description, i.e., a key intermediate sulfonated saccharide of Gemcitabine. The final product is prepared through subjecting a compound represented by a formula (II) shown in the description to sodium borohydride reduction, hydroxyl protection and resolution. The method is simple in process, high in yield and high in product purity and has no need of harsh reaction conditions, thereby being very suitable for industrial production.

The invention discloses a plate splitting device, which is provided with a bracket, wherein a moving part which can move up and down is respectively arranged at two opposite sides of the bracket, a guide rod is transversely arranged on each moving part, two guide grooves through which two free ends of the guide rods are inserted respectively are vertically arranged on a stander, each moving part is provided with a through groove, an adjusting part is movably inserted into each through groove, the inner free end of each adjusting part is a support head, the outer free end of each adjusting part extends out of the corresponding through groove, the bracket is vertically provided with an adjusting groove, the inner side wall and the outer side wall of the adjusting groove respectively comprise an upper groove section, an oblique section and a lower groove section which correspond to each other, wherein the two oblique sections are oblique from top to bottom and from inside to outsides, the two oblique sections are staggered to each other up and down, and the oblique section at the outer side is higher than the oblique section at the inner side. The plate splitting device disclosed by the invention is simple in integral structure, easy to operate, continuous and reliable in plate splitting action, high in plate splitting efficiency, extremely little in damage to bricks in the plate splitting manner and flexible and adjustable for splitting plates and provides a brand-new operation mode for plate splitting operation of the plates with the bricks.