35results about How to "Split implementation" patented technology

The invention provides a segmentation determination method and device for teaching videos, and the method comprises the steps: extracting frame images of the teaching videos according to a first period, and forming an ordered image set; comparing the adjacent frame images in the ordered image set, and determining a temporary segmentation point; determining a first frame image and a second frame image according to the temporary segmentation points; comparing the blackboard writing areas of the first frame image and the second frame image, and determining a first similarity, wherein the first frame of image is a frame of image before the temporary segmentation point, and the second frame of image is a frame of image after the temporary segmentation point; deleting the corresponding temporary segmentation points according to the first similarity; and taking the remaining temporary segmentation points as actual segmentation points of the teaching video. The content of the blackboard-writing area has a direct relationship with the teaching theme, so that the temporary segmentation points can be screened more accurately by utilizing the content of the blackboard-writing area, and then the teaching videos can be segmented according to the content characteristics of the teaching videos.

The present application provides a method and device for determining the segmentation of teaching videos. The foregoing method includes: extracting frame images of teaching videos according to the first cycle to form an ordered image set; comparing the adjacent images in the ordered image set. frame image, determine a temporary segmentation point; determine the first frame image and the second frame image according to the temporary segmentation point; compare the first frame image and the blackboard area of ​​the second frame image, and determine the first similarity ; The first frame image is a frame image before the temporary segmentation point, and the second frame image is a frame image after the temporary segmentation point; according to the first similarity, the corresponding Temporary segmentation point: use the remaining temporary segmentation point as the actual segmentation point of the teaching video. The content of the blackboard writing area is directly related to the teaching theme, so the content of the blackboard writing area can be used to more accurately screen the temporary segmentation points, and then realize the segmentation of teaching videos according to the content characteristics of teaching videos.

The invention discloses a hinge and an automobile, and relates to the technical field of hinges. It includes: a first connecting piece; a slot; a second connecting piece, one end of which is provided with a connecting hole that is sleeved and matched with the dismantling part, a locking hole is formed on the hole wall of the connecting hole, a locking pin is slidably arranged in the locking hole, and one end of the locking pin is A first clamping block matched with the first clamping slot is provided, the other end of the locking pin is provided with a spring, and the end of the locking hole away from the connecting hole is provided with an end cover, which can block the spring and the locking pin In the locking hole; the hinge has an automatic locking function, and the pin shaft and the second connecting piece do not need to be screwed when assembling and disassembling.

The invention relates to a method for splitting a Web application, comprising: the step of interpreting and executing a certain code fragment of the source code of the Web application, the step comprising: establishing a control point label, an independent work space and an independent work space for the code fragment cache; and a step of generating a split result, the step comprising: using the obtained control point label and the data stored in the independent cache as the result obtained by splitting the code fragment from the Web application; wherein, The control point label is used to describe the operation to be completed by the control point corresponding to the code fragment in the interpretation execution process; the independent workspace is used to complete the interpretation execution process; the independent cache is used to save the interpretation execution process. Intermediate state, intermediate parameter, intermediate result.

The invention discloses a temperature-sensitive microgel containing a chiral side group and a preparation method thereof. The microgel contains the following components in percentage by weight: 1-18 percent of amide monomer M1 with a chiral side group, 2-15 percent of chemical cross-linking agent and 97-80 percent of alkyl acrylamide M3 with temperature sensitivity. In the preparation method, thechiral monomer M1 is prepared; then, the M1, the M2 and the M3 are dissolved into an organic solvent to carry out free-radical copolymerization reaction under the anaerobic condition; after the product is deposited and rotatably evaporated by using diethyl ether, the microgel with temperature sensitivity and chiral molecule recognition capability is obtained. The preparation method is simple, is easy for control, can be recycled and is environmental-friendly; and the temperature sensitivity and the chiral separating efficiency of the microgel can be adjusted by changing temperature, a material charge ratio, cross-linking agent dosage and raw materials, and the microgel can be used for the fields of biological separation, and the like.

The invention discloses a drug splitting device. The drug splitting device comprises an upper cover and a lower cover. One end of the upper cover is hinged to the lower cover, a blade is arranged on the lower surface of the upper cover, a drug containing table matched with the blade is arranged on the lower cover, a flexible baffle is arranged between the upper cover and the lower cover, and a baffle sliding chute is formed in the lower surface of the upper cover. The blade is arranged at the bottom of the baffle sliding chute, the flexible baffle is an elastic L-shaped plate, the horizontal end and the vertical end of the L-shaped plate are connected through an arc, the horizontal end of the flexible baffle is fixed to the lower cover, and the vertical end of the flexible baffle is sleeved with the baffle sliding chute in a slideable mode. According to the drug splitting device, the flexible baffle can restore elasticity and move forwards along the baffle sliding chute when the upper cover is opened, the blade is hidden behind the flexible baffle, and therefore operating safety is guaranteed.

The invention discloses a hinge and an automobile, and relates to the technical field of hinges. The hinge comprises a first connecting piece, a pin shaft and a second connecting piece, wherein the pin shaft comprises a rotating part and a dismounting part, the rotating part is rotationally connected with the first connecting piece, and a first clamping groove is formed in the periphery of the dismounting part; and a connecting hole which is matched with the dismounting part in a sleeving mode is formed in one end of the second connecting piece, a locking hole is formed in the hole wall of theconnecting hole, a locking pin is arranged in the locking hole in a sliding mode, a first clamping block matched with the first clamping groove is arranged at one end of the locking pin, a spring isarranged at the other end of the locking pin, an end cover is arranged at the end, far away from the connecting hole, in the locking hole, and the end cover can block the spring and the locking pin inthe locking hole. The hinge has an automatic locking function, and a screw does not need to be screwed when the pin shaft and the second connecting piece are assembled and disassembled.

The present application discloses a depth map compression method, device, system and storage medium, which are used to enable the depth map to be directly compressed by a two-dimensional encoding device, and further facilitate network distribution of the compressed depth map. The method includes: obtaining a depth map to be compressed; obtaining all pixels in the depth map; determining a concentrated area of ​​information entropy of all pixels; splitting the depth map according to the concentrated area, wherein all the pixels contained in the concentrated area are The pixels are split into the main image, and all pixels contained outside the concentrated area are split into sub-images; the information corresponding to the main image and the sub-image is input into the two-dimensional encoding device for encoding, so that the output of the two-dimensional encoding device is consistent with the depth The video code stream corresponding to the figure. Using the solution provided in this application, the depth map can be split based on the condition of the concentrated area of ​​information entropy, so that multiple depth maps after splitting can be directly compressed by a two-dimensional encoding device, which is convenient for network distribution.

The invention provides a document splitting method. The method comprises the steps of determining each to-be-split file needing to be split in a current splitting period in a to-be-split file library,wherein the to-be-split file includes a plurality of documents; respectively extracting a plurality of sealless files which one-to-one correspond to the plurality of included documents from each to-be-split file; performing an electronic seal on each sealless file according to corresponding seal information so as to realize splitting for the documents in each to-be-split file. According to the splitting method provided by the invention, each to-be-split file which currently needs to be split is inquired from the to-be-split file library at set intervals by use of a periodically timing splitting manner, the contents of the documents in the to-be-split file are extracted to form the sealless files, then the sealless files are signed to form the document, thus the splitting for each documentin the to-be-split file is realized, the splitting process is rapid and the document splitting efficiency is improved.

The invention discloses a high polymer grouting directional cleaving drilling tool and a pore forming method. The high polymer grouting directional cleaving drilling tool is a double wing drilling tool, namely a triangle wing is respectively welded at the two sides of a round drill rod at certain angles, wherein the end parts of the round drill rod are conical. When the high polymer grouting directional cleaving drilling tool is used, the static sounding principle is adopted, and the high polymer grouting directional cleaving drilling tool is pressed into a dam body by virtue of a hydraulic device, thus a directional cleaving grouting hole is formed. The high polymer grouting directional cleaving drilling tool and the pore forming method disclosed by the invention have the characteristicsof rapid construction, good directional guide effect and less disturbance to a dam, a drilling tool and a process which are matched are provided for a dam seepage control high polymer cleaving grouting technology, and the drilling tool and the method are successfully applied to multiple reservoir dams and dam danger-removing reinforcement projects, thus the drilling tool and the method have greateconomic benefit and social benefit and a wide development and application prospect.

The invention discloses a chiral resolution method for four isomers in racemic anisodamine. The present invention uses D or L-p-methyldibenzoyl tartaric acid as a resolving agent, and adopts a preparative HPLC combined chemical resolution method to resolve racemic anisodamine. The method is reasonable in design, practical, high in product yield and high in purity, and the obtained anisodamine four optical isomers 6R, 2'R, 6R, 2'S, 6S, 2'S, 6S, and 2'R have the same purity. It is more than 95%, which is a relatively effective method for the industrial production of the four optical isomers of anisodamine. The method successfully realizes the resolution of four optical isomers, can effectively reduce the cost of resolution of the four optical isomers of anisodamine, and produces extensive social benefits, huge economic benefits, and broad application prospects.

The invention discloses glass wool splitting equipment. The glass wool splitting equipment comprises a first roll gang, a servo lifting conveying mechanism, a second roll gang, a servo belt conveying mechanism and a rotary roll gang which are sequentially arranged. The servo lifting conveying mechanism is provided with a blocking mechanism, the second roll gang is provided with a first pushing mechanism, and a second pushing mechanism is arranged between the servo lifting conveying mechanism and the second roll gang; meanwhile, the second roll gang is connected with the servo belt conveying mechanism through a pneumatic transferring mechanism, and the servo belt conveying mechanism is connected with the rotary roll gang through a servo transferring mechanism; in addition, the servo belt conveying mechanism is provided with a grabbing mechanism. According to the glass wool splitting equipment, the servo lifting conveying mechanism is used for accurately positioning glass wool of different types in to-be-pushed positions, and therefore the equipment can be adaptive to the glass wool of different types; the glass wool can be split at any intervals according to production requirements, and the glass wool splitting equipment has the advantages that using is flexible, labor cost is reduced, and occupational diseases are prevented.