27results about How to "Easy to remember" patented technology

The invention discloses a color image encryption method based on a finger vein secret key and off-axis digital holography. The color image encryption method comprises the encryption steps that firstly, red, green and blue channel data of a color plaintext image are separated; performing encryption based on DNA coding on each channel by using the finger vein data of the encrypted user; thirdly, embedding the DNA coding encryption result into the host image by using a discrete wavelet transform-based technology to generate an encrypted watermark image; and finally, performing encryption based on a Gyrator transform domain and off-axis digital holography on the encrypted watermark image by using the finger vein data and the digital key to generate a ciphertext hologram. And a decryption step: firstly, carrying out identity verification on a decryption user by using a finger vein authentication technology based on the convolutional neural network, decrypting the ciphertext hologram by using the finger vein data stored in the database after the authentication is successful, and recovering a plaintext image. The encryption method provided by the invention has the advantages of high security, finger vein key robustness, digital key sensitivity, large key space and high decryption quality.

The invention belongs to the field of biological materials, and particularly relates to a multifunctional DNA nanometer material, a preparation method and application of the multifunctional DNA nanometer material in treatment of traumatic brain injury secondary encephaledema. The multifunctional DNA nano material comprises a plurality of deoxyribozyme (DNAzyme) targeting C1q mRNA (messenger Ribonucleic Acid) and a repeating unit which is integrally connected with G-quadruplex / Hemin in series, wherein the G-quadruplex / Hemin is labeled by streptavidin SA and biotin and is used for scavenging free radicals. The DNAzyme for silencing the C1q gene of the mouse is designed on the basis of a bioinformatics method, and the C1q gene overexpressed in an inflammation model can be knocked down to an approximate normal level. The RCA technology mediated self-assembled nano material SA-B / H has excellent enzyme mimetic activity, can effectively remove free radicals such as H2O2 and O2 <.->, and has the potential of in-vivo oxidation resistance. In-vitro experiments prove that SA-B / H can effectively relieve high-level oxidative stress of cells caused by H2O2 stimulation.

The embodiment of the invention provides a generation method and device for a query statement of a model, a training method and device and electronic equipment. The method comprises the following steps: acquiring a query question input by a user; wherein the query questions are the current round of dialogue questions in the multiple rounds of dialogue questions; according to the query questions and historical rounds of dialogue questions in the multiple rounds of dialogue questions, determining query statement cues corresponding to the query questions; wherein the query statement prompt word is used for indicating discarding processing of historical data generated in the query statement generation process; and inputting the query statement prompt word into a pre-constructed query statement generation large model to obtain a query statement corresponding to the query question. The method is used for achieving the effect of improving the accuracy of query statement generation.

The present invention relates to the technical field of rotary transformers, and its implementation method provides a method, device and equipment for determining the wiring fault of a rotary transformer. The method for determining the wiring fault of a rotary transformer includes: determining that the rotary transformer operates in a DQ axis current closed loop mode, obtaining the correspondence between at least one set of current and position signals of the rotary transformer in the DQ axis current closed loop mode; mapping the theoretical position corresponding to the current and the solution position obtained by decoding the position signal to a plane rectangular coordinate system, obtaining the position relationship between the theoretical position and the solution position based on the coordinate axis, and determining the wiring fault in the primary winding connection, the first secondary winding connection and the second secondary winding connection according to the position relationship. The implementation method provided by the present invention can improve the efficiency of determining the wiring fault of a rotary transformer.

The invention provides a teaching quality continuous improvement system and method, and belongs to the technical field of data driving, and the system comprises a teaching data access module which is used for achieving the breaking of a data island, and achieving the unified integration of multi-source heterogeneous data; the data development treatment module is used for constructing a data warehouse, constructing a comprehensive, scientific and systematic teaching evaluation system and comprehensively evaluating the teaching effect; the teaching data sharing module is used for supporting unified management and publishing of data services; the teaching replay evaluation module is used for identifying problems and improvement points through a four-force model; and the enabling teaching improvement module formulates targeted improvement measures and continuously optimizes teaching strategies. According to the invention, the learning output is intelligently and repeatedly evaluated through a four-force model, the teaching quality is enabled to be continuously improved, and the learning efficiency and effect are improved; by correctly understanding and applying data, it can be ensured that teaching reform proceeds along a correct track, and a practical and effective method is adopted to systematically plan courses and execute teaching management.

The invention provides a method and device for evaluating a coal underground gasification selected area, and belongs to the technical field of coal underground gasification. The method comprises the steps that the thickness value and coal volatile components of an underground coal seam in the coal underground gasification selected area to be evaluated are obtained; calculating the product of the thickness value and the coal volatile component to obtain an evaluation index; under the condition that the evaluation index is greater than or equal to a third threshold value, the evaluation result of the to-be-evaluated coal underground gasification selection area is suitable for carrying out coal underground gasification; under the condition that the evaluation index is smaller than a third threshold value, the evaluation result of the to-be-evaluated coal underground gasification selected area is not suitable for coal underground gasification. The device comprises a data acquisition module, a product calculation module and an evaluation result output module. The method is simple and convenient to use, small in calculation amount and easy to understand and memorize.

The invention relates to a medicinal and edible composition for synergistically improving AD cognitive and affective disorders through three pathways, and belongs to the technical field of medicines. The composition comprises the following raw materials: 6-8 parts of ginseng, 4-6 parts of hovenia dulcis thunb, 4-6 parts of folium cortex eucommiae, 3-7 parts of lucid ganoderma, 1-3 parts of longan aril and 1-3 parts of liquorice. Ginseng and lucid ganoderma are used as monarch drugs to mainly tonify the kidney and nourish the heart; hovenia dulcis thunb or ampelopsis grossedentata leaves and folium cortex eucommiae are used as ministerial drugs and are mainly used for removing internal heat and tranquilizing mind and strongly inhibiting neuroinflammation and oxidative stress; the longan aril and the liquorice are used as assistant and conductant drugs to fix and protect the spleen and stomach and regulate the drug property. The preparation method comprises the following steps: compounding powder prepared by adopting a bacterium-enzyme combination technology and a phospholipid / beta-cyclodextrin embedding technology according to a ratio, and adding ergothioneine as required. According to the application disclosed by the invention, three pathways of beta amyloid protein deposition, Tau protein excessive phosphorylation and neuroinflammation are synergistically regulated and controlled, so that learning memory and cognitive dysfunction and related emotion and sleep disorder symptoms caused by AD and vascular dementia can be effectively intervened.

The invention discloses a photovoltaic power prediction method and system of an improved RFNN-QLSTM based on VECM, and relates to the field of photovoltaic power prediction, and the method comprises the steps: carrying out the preprocessing of original photovoltaic data; constructing a vector error correction model, capturing an equilibrium regression relationship between the photovoltaic data and the meteorological factors and between the meteorological factors, introducing an error correction term on a vector autoregression model to identify a co-integration relationship and short-term deviation between variables in the photovoltaic data, and screening and constructing a new photovoltaic data set through the vector error correction model; and constructing a photovoltaic power short-term prediction model, training the photovoltaic power short-term prediction model by adopting the new photovoltaic data, and predicting and outputting a photovoltaic output prediction result. According to the method, the problem that the balance relation and the co-integration relation between the photovoltaic data and the meteorological factors are not considered is effectively solved, and a new research thought is provided for photovoltaic power prediction.

The utility model discloses an English teaching vocabulary display device which is characterized in that a telescopic rod is arranged on the upper end face of a bottom plate and comprises a fixed rod and a movable rod, the movable rod is slidably connected with the fixed rod and is exposed out of the upper end of the fixed rod, an adjusting part is arranged in the fixed rod, a mounting plate is arranged above the bottom plate, and the lower end of the fixed rod is connected with the bottom plate; the upper end of the movable rod is connected with the mounting plate; supporting plates are symmetrically arranged on the upper end face of the mounting plate, a connecting rod is arranged between the upper ends of the supporting plates, mounting blocks are evenly and rotationally connected to the connecting rod and are in a polygon prism shape, and each side face of each mounting block is provided with a positioning component and a card positioning groove. The vocabulary card has the advantages that roots, prefixes and suffixes forming vocabularies can be displayed, new vocabularies can be formed according to the word forming rule, students can understand and memorize the vocabularies conveniently, and meanwhile the fixing effect of the vocabulary card is better.

The utility model relates to the technical field of insulin injection, and discloses an abdominal insulin injection positioning card alternating device which comprises a main card body, the left side of the main card body is fixedly connected with a periodic plate block, and the right side of the main card body is fixedly connected with a four-periodic plate block. The first-period plate and the fourth-period plate are connected with a contact layer through a fixing assembly, the bottom of the first-period plate is fixedly connected with a second-period plate, and the bottom of the fourth-period plate is fixedly connected with a third-period plate. According to the novel intravenous injection device, the injection range can be distinguished according to the injection stage, injection can be carried out along with the corresponding date on the date card I, memorization is facilitated, injection positions are prevented from being mixed, disassembly can be conveniently carried out, fixed injection is carried out on other parts of the thigh or the shank of a patient through the auxiliary card body, and more convenience is achieved; and the contact layer with good comfort is arranged, so that the contact feeling of the patient is better during use.

The invention discloses a common error question image generation method based on education. Relates to the technical field of image processing. The education-based common wrong question image generation method comprises the following steps: screening common wrong questions for educating students from a wrong question set according to a question selection requirement of a teacher, the common wrong questions being used for indicating wrong questions commonly selected for a plurality of students; generating a text image from the common error questions; carrying out fusion processing on the text image and an identification image used for identifying wrong questions to generate a common wrong question image; and displaying the common error question image to an expected arrangement object of the teacher.

The present invention provides a precise service recommendation method based on the analysis of economic operation uncertainty factors, comprising the following steps: Step 1: raw data processing. The data is preprocessed, including missing value processing, outlier processing and standardization, and then effective features are extracted from the raw data and feature embedding is performed. Step 2: Initialize the model. According to the data features, the recommendation system model is initialized. Step 3: Train the model. The processed samples in step 1 are input into the model in step 2, and a suitable loss function is selected to train the model. Step 4: Collect difficult negative samples. Use the LIME algorithm to obtain the attribution value of each feature, and collect difficult negative samples according to the attribution value. Step 5: Train the model again and output the final model. Add difficult negative samples to the negative samples, train the model again, and improve the robustness of the model.

The invention provides a target code comparison method and device. The method comprises the following steps: generating a feature code of a file; the feature code is an N-bit M-ary numerical value; the N-bit feature codes are divided into n groups to be mapped in a preset word bank, and n words are obtained and used for target code comparison; wherein N is the power number of times of 2, the value of N is larger than 4, the value of n is the power number of times of 2, and the value of n is larger than or equal to 2. The problem that the readability is poor when complex hash values are directly compared in a traditional method is solved.

The present invention discloses an automatic wire drawing film compounding machine for clothing packaging bags, comprising a frame, a wire drawing film feeding and gluing device, a glue activation device, a mobile unwinding device for unwinding film materials for bag making, and a compounding device for compounding wire drawing film with film materials for bag making. The frame comprises a left bracket and a right bracket which are vertically arranged and arranged in opposition, and a transverse bracket between the left bracket and the right bracket, the left bracket is on the left side of the right bracket, and the left and right ends of the transverse bracket are respectively fixedly connected to the upper ends of the left bracket and the right bracket; the wire drawing film feeding and gluing device is installed on the left bracket, the glue activation device is installed on the transverse bracket, and the compounding device is installed on the right bracket. The automatic wire drawing film compounding machine for clothing packaging bags of the present invention has a simple structure, an ingenious and reasonable layout, occupies less space, and is easy to clean; at the same time, it can not only make the clothing packaging bag have a three-dimensional effect, but also have a three-dimensional sense of touch, and has excellent visual and tactile effects.

This invention relates to the field of password generation technology, and particularly to a password generation method, system, apparatus, and storage medium. The password generation method includes: acquiring input feature keywords, whereby the feature keywords represent user characteristic information; acquiring input key characters; combining the feature keywords and key characters according to preset combination rules and a preset length to generate multiple random passwords, each random password having a length greater than the preset length; generating a password dictionary based on all the random passwords, and outputting the password dictionary. Therefore, the technical solution of this invention can improve the efficiency and flexibility of password generation, making it easier for users to remember.

The invention provides an intelligent input method for improving typing efficiency through initial and final consonants, and belongs to the technical field of computers. The user original input module is used for receiving letter information input by a user through an original pinyin 9-key or 26-key keyboard; the initial and final recommendation engine is connected with the user original input module and used for recommending a corresponding initial and final list according to the received letter information, the input habit of the user and a recommendation algorithm; the user interface management module is connected with the initial and final recommendation engine and is used for displaying a recommended initial and final list and processing initial and final selection of a user; by intelligently recommending the initial and final consonants, on the basis of almost not changing the original pinyin typing habit of the user, the manual operation frequency of the user in the input process is reduced, and particularly, fast and accurate input can be achieved for characters with long pinyin, words and sentences composed of the characters with long pinyin and high-frequency common words and sentences.

The present invention provides a method, device and storage medium for operating a surface design modeling application. The method comprises: receiving an operation instruction input by a user; judging whether a fixed key or a region instruction is included in the operation instruction; when a fixed key or a region instruction is not included, determining that the operation instruction corresponds to a surface modeling command category, and determining a command window associated with a character in the operation instruction in the surface modeling command category; when a fixed key is included, determining that the operation instruction corresponds to a line modeling command category, and determining a command window associated with a character in the operation instruction in the line modeling command category; when a region instruction is included in the operation instruction, determining that the operation instruction corresponds to an auxiliary command category, and determining a command window associated with the indicated region and the character in the operation instruction in the auxiliary command category; and opening the determined command window. The present invention can realize simple and quick operation and improve efficiency.

The embodiment of the invention relates to the technical field of computers and block chains, and discloses a block chain-based resource transaction processing method and related equipment, resources stored on a block chain are associated with a distributed identity identifier, and the distributed identity identifier is composed of a chain identifier of the block chain where the resources are located and an account identifier of a resource owner. The method comprises the following steps: receiving a resource transaction initiated by a resource sender, wherein the resource transaction contains a first distributed identity identifier of a resource receiver; identifying a target chain identifier contained in the first distributed identity identifier; and comparing the target chain identifier with a chain identifier corresponding to the resource sender, and processing the resource transaction according to a comparison result. According to the technical scheme of the embodiment of the invention, the resource transaction processing efficiency of the block chain can be improved.

The invention discloses an automatic sand table recording instrument, and relates to the technical field of automatic sand table recording instruments, the automatic sand table recording instrument comprises a bottom plate, the upper part of the bottom plate is fixedly connected with a protective shell, one side, away from the bottom plate, of the protective shell is provided with a third sliding groove, one side, close to the protective shell, of the bottom plate is fixedly connected with a T-shaped column, and one side, away from the bottom plate, of the T-shaped column is symmetrically and fixedly connected with bearing columns; the bearing column is provided with a video recording assembly, a first sliding groove is formed in the side, close to the T-shaped column, of the bottom plate, the side, away from the camera, of the T-shaped column is fixedly connected with a second bearing plate, and the side, away from the bottom plate, of the second bearing plate is movably connected with a sliding column. And the sand table can uniformly rotate in the horizontal direction by starting a second servo motor, and the sand table can cooperate with a camera to carry out all-dimensional automatic video recording while rotating.

The invention provides a twelve-hole bamboo flute capable of being converted into six holes, ten holes, a horizontal flute and a vertical flute, and relates to the field of hole flute instruments. The novel twelve-hole flute capable of freely switching between six holes and ten holes comprises a flute body, and a first sound hole, a second sound hole, a third sound hole, a fourth sound hole, a fifth sound hole, a sixth sound hole, a seventh sound hole and an eighth sound hole are formed in the middle of the front face of the flute body. According to the characteristics of pronunciation, holes with different effects are formed in corresponding parts, so that the hole sealing mode is changed on the original basis, the conversion between a six-hole flute and a ten-hole flute is realized, and the conversion between a horizontal flute and a clarinet can be realized by switching different flute heads. Therefore, the flute not only can be used as a traditional six-hole clarinet, but also can be used as a six-hole horizontal flute, meanwhile, the flute can be converted into a novel ten-hole bamboo flute, each half scale in the flute sound area can be completely played, the whole flute can be suitable for different types of music, and the requirements of different types of bamboo flute players are met.

The utility model belongs to the field of teaching appliances, and discloses an electromagnetic wave polarization characteristic demonstration device for teaching, which comprises a support device used for supporting and displaying, and a translation device arranged in the middle of the support device and used for simulating electromagnetic wave motion, and the translation device is in sliding connection with the support device; the translation device comprises a sliding rod, a handle is installed at one end of the sliding rod, a plurality of fixing holes are evenly distributed in the sliding rod, and simulation rods are installed in the fixing holes. According to the electromagnetic wave polarization characteristic demonstration device for teaching, electromagnetic wave polarization is concrete into the arrangement of the simulation rod, so that the intuition of electromagnetic wave polarization is enhanced; when the simulation rods move and pass through the fixing plate, the arrangement of the position pointed by each simulation rod is recorded one by one, whether the polarization characteristic of electromagnetic waves is linear polarization or circular polarization and the space-time rotation direction relation of the circular polarization electromagnetic waves are visually displayed, and students can conveniently observe, understand and memorize.

The invention discloses an intelligent data annotation method and system, and relates to the technical field of text processing, and the system comprises a data collection module which obtains a to-be-annotated text document set; and a data preprocessing module. A distributed cluster module, an intelligent engine processing module and an intelligent engine analysis module are arranged, a computer system is used for processing a to-be-labeled text document set, the processing speed is increased, manpower is reduced, meanwhile, a data analysis package and a to-be-labeled text sign are established, a text is analyzed according to the data analysis package, and the annotation efficiency is improved. The method comprises the following steps of: firstly, matching a text label, judging information needing to be labeled of the text, matching the text label with the information needing to be labeled of the text, performing high-precision extension explanation on the uncommon words, the terminologies, the idiom vocabularies and the like, and in addition, visually presenting the text label by a visualization module so as to be convenient for a reader to memorize.

The invention discloses a continuous image recognition method based on model fusion and multi-level distillation, and the method comprises the steps: firstly pre-training an image recognition model, and obtaining an initialized task adapter in a multi-task image data training image recognition model; secondly, constructing a teacher model and a student model based on an image recognition model, and performing incremental learning to obtain feature representation and soft labels of the teacher model and the student model; then feature representation and soft labeling are carried out, a loss function is constructed, adaptive parameters of a student model and a classification head are subjected to back propagation gradient updating, a verification set is input into the student model, and a prototype classifier is obtained; and finally, after incremental task training is completed, the Adapter trained in the student model is used for prediction, and image categories are classified. According to the method, a unified reasoning space for all tasks is constructed, the expandability of continuous learning tasks is improved, and accurate and efficient image recognition is carried out.

The utility model relates to a teaching tool, and discloses a teaching aid for the five-element theory of traditional Chinese medicine, which comprises at least two bayonet sockets (1) and a plurality of plug-in objects (2), each bayonet socket (1) is provided with at least one plug-in port (11), each plug-in object (2) is internally provided with an identification unit, and the plug-in objects (2) can be inserted into the plug-in ports (11); each bayonet socket (1) is provided with a longitudinal classification character identifier of the traditional Chinese medicine five-element theory, and each plug object (2) is provided with a transverse classification character identifier of the traditional Chinese medicine five-element theory; and the identification unit is configured to be capable of judging whether the transverse classification character identification on the plug-in object (2) is matched with the longitudinal classification character identification on the bayonet socket (1) after the plug-in object (2) is inserted into the plug-in port (11). The teaching aid for the traditional Chinese medicine five-element theory is convenient for demonstration in a classroom, and students can conveniently memorize the knowledge of the traditional Chinese medicine five-element theory.

The present invention provides a demonstration nuclear magnetic combination model, including a regular tetrahedron model and a positron ball located inside the regular tetrahedron, wherein the regular tetrahedron model is composed of six identical cylindrical magnetic rods, and four magnetic balls are arranged at the four vertices of the regular tetrahedron model; the positron ball is provided with four support shafts, and the other ends of the support shafts are respectively fixed at the four vertex slots of the regular tetrahedron model; the positron ball is also provided with a socket, the closed end of the socket points to a vertex of the regular tetrahedron, and the open end points to the center of the triangular face corresponding to the vertex; a connecting shaft is inserted in the socket, and the other end of the connecting shaft is connected to a negative electron ball. The present invention can reasonably deduce the phenomenon of most nuclear decay reactions to a certain extent, so as to improve people's understanding and memory of nuclear decay reactions and decay laws.

The utility model provides an electronic cigarette with a cigarette cartridge having encrypted memory connection, which relates to the technical field of electronic cigarettes and comprises a smoking set component and a cigarette cartridge component, the smoking set component comprises a main body, a connecting shell and a first electric contact connecting part, the connecting shell is detachably connected to one side of the main body, and the first electric contact connecting part is electrically connected with the main body. The first electric contact connecting part is located at the bottom of the connecting shell, a second electric contact connecting part is arranged at one end of the smoke cartridge assembly and electrically connected with the smoke cartridge assembly, a part of the smoke cartridge assembly is contained in the connecting shell, the first electric contact connecting part and the second electric contact connecting part are detachably connected, and the second electric contact connecting part comprises an encryption memory circuit board. The encrypted memory circuit board is electrically connected with the second electric contact connecting part, and the encrypted memory circuit board is electrically connected with the first electric contact connecting part in a contact manner; the electronic cigarette with the cigarette cartridge having the encrypted memory connection can accurately memorize the amount of tobacco tar in the currently used cigarette cartridge, and meanwhile it is ensured that the cigarette cartridge is not stolen.

The utility model relates to the technical field of English teaching aids, in particular to an English tense teaching aid, which comprises a display board, a table area is arranged on one side of the display board, and a plurality of display blocks are adsorbed on one side of the display board. The English tense teaching aid has the advantages that the English tense teaching aid can be adjusted in the vertical direction and the horizontal direction through the arranged display board, so that the display board can conveniently display the English tense in different directions in a classroom, and the English tense teaching aid is convenient for teaching; tenses, subjects, assistant verbs and the like can be written into the table in the table area, so that the tense teaching aid is more intuitive and better in teaching effect, the display blocks can be divided into tense display blocks, subject display blocks, assistant verb display blocks and the like, and the display blocks can be randomly combined, so that the display is convenient, and the teaching efficiency is improved. And the writing time of a teacher can be saved, and a plurality of combinations can enable a learner to learn more comprehensively, so that the teaching efficiency is improved.