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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 38. Отображено 38.
14-04-2023 дата публикации

Intelligent substation operation and maintenance-oriented cascading failure situation awareness method

Номер: CN115967173A
Принадлежит:

The invention discloses a cascading failure situation awareness method for operation and maintenance of an intelligent substation, and the method comprises the steps: employing an event chain technology to describe cascading failure path event chain templates after each piece of primary equipment breaks down in a classified manner based on the protection principle and the voltage class of the substation; constructing a cascading fault path event chain set after each primary equipment has a fault according to an actual power grid topological structure and a main wiring of a transformer substation; searching and early warning a cascading failure path event chain according to the current operation state of the secondary equipment of the transformer substation; and aiming at the operation and maintenance operation of the current protection equipment, the cascading failure path event chain set after each primary equipment failure is utilized to provide a cascading failure warning for the operation ...

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06-06-2023 дата публикации

Flywheel inclined hole machining equipment

Номер: CN116213790A
Принадлежит:

The invention discloses flywheel inclined hole machining equipment and relates to the field of flywheel machining, the flywheel inclined hole machining equipment comprises a workbench, a base, a rack, a rotating frame, a rotating assembly, a positioning assembly and a mounting frame assembly, the rotating frame is rotatably connected with the rack, a drilling machine is arranged in the mounting frame assembly, and a shielding spraying assembly is arranged on the outer side of a drill bit of the drilling machine. The machining surface is in contact with the shielding pipe, so that the shielding pipe can automatically retract to be completely attached to the machining surface, a complete protection space is formed, and splashing chippings are prevented from scratching workers; the shielding pipe is attached to the machining face, so that the spraying position is always located at the drill bit near the hole position along with the change of the machining depth and angle when the cutting fluid ...

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28-07-2023 дата публикации

Image processing method and device

Номер: CN116503357A
Принадлежит:

The embodiment of the invention provides an image processing method and device, and the method comprises the steps: carrying out the key image block detection of an application image based on a project after obtaining the application image which is transmitted by an upstream node of the project and is used for carrying out the project application, and a content classification result, image features are extracted from the key image blocks obtained through detection, the image definition of the application image is calculated according to the image features, if the content classification result is null, the image content classification of the key image blocks is determined, and under the condition that the image content classification is item adaptation classification, image quality parameters of the application image are determined based on the image definition; and sending to a downstream node of the project to perform project application processing of the project based on the image quality ...

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29-08-2023 дата публикации

Device for machining concentricity of motor base

Номер: CN116652654A
Принадлежит:

The invention discloses a motor base machining concentricity device, and relates to the technical field of motor base turning machining, the motor base machining concentricity device comprises a machining supporting frame, the outer side of the machining supporting frame is fixedly provided with a cutting assembly, and the cutting assembly comprises a cutting edge and a cutting edge support for fixing the cutting edge; and the cutting edge bracket is fixedly mounted on telescopic rods of the two cutting lifting electric cylinders which are arranged in parallel. According to the rotating assembly, the stress of a motor base is balanced by controlling the pressure in a hydraulic cylinder in the rotating process, and therefore the problem that the machining precision is affected due to small-amplitude deviation of the base in the cutting process is solved; machining of the inner bore and the two spigot planes can be completed through one-time clamping, and the machining precision is further ...

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30-05-2023 дата публикации

Image recognition method and device

Номер: CN116189201A
Принадлежит:

The embodiment of the invention provides an image recognition method and device. The image recognition method comprises the following steps: acquiring a target voucher image; inputting the target voucher image into a voucher identification model, encoding the target voucher image through an encoding unit of the voucher identification model to obtain an image layout feature and a character feature, fusing the image layout feature and the character feature through a decoding unit of the voucher identification model, and decoding a fusion result to obtain a target voucher image; obtaining a voucher row sequence output by the voucher identification model; and performing format conversion on the voucher row sequence to obtain a target table corresponding to the target voucher image. The image layout features and the character features in the target voucher image are fused and decoded through an algorithm framework of the coding unit and the decoding unit, the voucher recognition result is obtained ...

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13-06-2023 дата публикации

Multi-angle distance measurement anti-interference device for measuring distance between power transmission conductor and ground

Номер: CN116256766A
Принадлежит:

The invention discloses a multi-angle distance measurement anti-interference power transmission conductor-to-ground distance measurement device, and belongs to the technical field of distance measurement equipment. Comprising a laser ranging unit, a data acquisition card, a data storage and control device, a communication transmitting module, a communication transmitting antenna, a solar cell panel, a rechargeable battery pack, a transmitting lens, a receiving lens, an optical filter, an avalanche phototube, an electric amplifier, a filter, a laser, a pulse signal source and a microprocessor. The multiple laser ranging units are used at the same time, so that misjudgment of the distance to the ground caused by entering of ground moving objects can be prevented. And the data storage and controller is respectively connected with the data acquisition card and can receive and store the distance to the ground, and the data storage and controller is used for storing and processing the data, so ...

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12-05-2023 дата публикации

System and method for keeping ore pulp and water balance

Номер: CN116099242A
Принадлежит:

The invention discloses a system for keeping ore pulp and water balance, which is used for a tailing pulp concentration process and comprises a concentration device and a flow dividing device, re-selected tailing pulp is arranged in the concentration device, the concentration device is used for dividing the re-selected tailing pulp into underflow and circulating water, and the flow dividing device is arranged at the downstream of the concentration device. When in use, tailing pulp enters the concentration equipment and is divided into underflow and circulating water, the underflow is final tailings reaching the conveying concentration and is conveyed to downstream equipment by an underflow pump, the in-plant water in the circulating water is continuously used for production, and the circulating water in the circulating water is recycled. The water outside the plant in the circulating water is pumped to the water using point outside the plant or is discharged after being treated by the water ...

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14-07-2023 дата публикации

Text generation model training method and device, text generation method and device and storage medium

Номер: CN116431762A
Принадлежит:

The embodiment of the invention discloses a text generation model training method and device, a text generation method and device and a storage medium. The copy probability of each character in the sample input sequence is calculated at each output time step, and the generation probability of each character in the word list space is calculated at each output time step; determining a sample output character of each output time step based on the copy probability and the generation probability of each character in each output time step, and further obtaining a sample output sequence corresponding to the sample input sequence; and calculating output loss according to the standard output sequence and the sample output sequence, and training a text generation model. The text generation model learns that important characters in an input sequence are copied to output in the training process so as to obtain a high-credibility output sequence.

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28-07-2023 дата публикации

Training method and device of image recognition model and image recognition method and device

Номер: CN116503876A
Принадлежит:

The embodiment of the invention provides a training method and device of an image recognition model and an image recognition method and device. The training method of the image recognition model comprises the steps of obtaining a sample text image and a sample text label of the sample text image; determining a first global feature of a visual dimension corresponding to the sample text image through an image recognition model, and determining a second global feature of a language dimension corresponding to the sample text label through a text recognition model; performing iterative training on the image recognition model according to the first global feature and the second global feature until a target image recognition model meeting a model training ending condition is obtained; wherein the recognition result of the target image recognition model fuses semantic features corresponding to the visual dimension and the language dimension. In the training stage, iterative training is carried ...

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08-08-2023 дата публикации

Mongolian speech recognition method based on double-discriminator generative adversarial network

Номер: CN116564276A
Принадлежит:

The invention discloses a Mongolian speech recognition method based on a double-discriminator generative adversarial network, which is applied to the field of Mongolian speech recognition and comprises the following steps: a speech generator generates out-of-domain speaker Mongolian speech according to out-of-domain speaker characteristics and a Mongolian text sequence; the target feature discriminator outputs a first judgment result according to the out-of-domain speaker features and the speaker features of the out-of-domain speaker Mongolian speech; the auxiliary feature discriminator outputs a second judgment result according to the Mel spectrogram corresponding to the Mongolian text sequence and the Mel spectrogram of the Mongolian speech of the extraterritorial speaker; adjusting and optimizing parameters of the voice generator according to a judgment result to obtain a voice data augmentation model based on the double-discriminator generative adversarial network; and inputting a to-be-detected ...

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25-07-2023 дата публикации

Text processing method and device

Номер: CN116483965A
Принадлежит:

The embodiment of the invention provides a text processing method and device.The text processing method comprises the steps that a text fragment is generated according to a service text corresponding to a target event, the text fragment is input into a text processing model, and the text processing model comprises an initialization unit, an extraction unit, an exchange unit and a processing unit; adding identification information for the text fragment, and performing initialization processing on the text fragment added with the identification information through the initialization unit to obtain an intermediate fragment feature; extracting a target feature of the intermediate segment feature through the extraction unit, performing information exchange processing on target identification information in the target feature through the exchange unit, and determining a target segment feature according to a processing result; and processing the target fragment features through the processing ...

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28-02-2013 дата публикации

METHOD AND SERVER FOR DISCRIMINATING MALICIOUS ATTRIBUTE OF PROGRAM

Номер: WO2013026304A1
Автор: WANG, Hongbin
Принадлежит:

Provided are a method and a server for discriminating a malicious attribute of a program. The method comprises: acquiring behavior data of a program at a client (101); acquiring a malicious behavior and a malicious behavior value of the program according to the behave data of the program and sample data stored locally (102), the sample data comprising a malicious program sample set and a non-malicious program sample set, and the malicious behavior value reflecting a malicious degree of the malicious behavior; determining a malicious attribute of the program according to the malicious behavior and/or the malicious behavior value of the program (103). The provided method and server can determine a malicious attribute of a report file that does not have the same sample at the background.

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27-06-2023 дата публикации

Laboratory flotation method for ilmenite

Номер: CN116328946A
Принадлежит:

The invention relates to the technical field of ilmenite separation, in particular to a laboratory flotation method for ilmenite. Comprising the steps that the weight of required flotation raw ore is calculated according to the flotation pulp concentration requirement and the volume of a flotation tank, the flotation raw ore is poured into the flotation tank, tap water after standing is added to enable the pulp liquid level to reach 2/5-2/3 of the scale of the flotation tank, flotation pulp with the required concentration is obtained, and the flotation tank is fixed to a flotation machine and stirred to achieve circulation; according to the TiO2 grade and the S grade of the flotation raw ore, a flotation reagent is added into flotation ore pulp, stirring continues, water is added to the volume scale of a flotation tank, air inflation and bubble scraping are conducted, water is supplemented, and sulfur coarse concentrate and sulfur flotation tailings are obtained; the sulfur flotation tailings ...

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27-06-2023 дата публикации

Dual-mass flywheel outer gear ring production detection device

Номер: CN116336906A
Принадлежит:

The invention discloses a dual-mass flywheel outer gear ring production detection device, which comprises a mounting frame, a clamping mechanism, a detection mechanism and an adjusting mechanism, and is characterized in that the clamping mechanism comprises a gear ring inner wall which is mounted on the mounting frame and is used for tensioning the dual-mass flywheel from the inside; the number of the detection mechanisms is two, each detection mechanism comprises a sliding block, a roller sliding along the tooth surface of the gear ring and a sliding rod arranged on the sliding block in a sliding and sleeving mode through a reset spring, the roller is installed at the far end of the sliding rod, and a distance sensor used for measuring the real-time moving distance of the sliding rod is installed on the sliding block; the adjusting mechanism comprises two inclined extending plates which are symmetrically arranged on the two sides of the vertical diameter direction of the gear ring, the ...

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21-07-2023 дата публикации

Method and device for determining action time sequence of direct-current power grid fault current limiting equipment

Номер: CN116470579A
Принадлежит:

The invention discloses a method and a device for determining an action time sequence of a direct-current power grid fault current limiting device, which are applied to the field of direct-current system faults and comprise the following steps of: determining the magnitude of fault current on a direct-current power transmission line; according to the fault current and the type of the current-limiting device, determining the voltage at the two ends of the current-limiting device during the current-limiting period of the current-limiting device; determining the contribution degree of the current limiting equipment to the DC power grid according to the voltage; and determining the time when the current limiting device accesses the DC power grid according to the contribution degree. As the current limiting device is connected to the direct-current power grid earlier after the fault occurs, the generated current limiting effect is better, the proper time for connecting to the power grid is determined ...

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06-06-2023 дата публикации

Efficient flotation method for ilmenite in vanadium titano-magnetite

Номер: CN116213120A
Принадлежит:

The invention relates to an efficient flotation method for ilmenite in vanadium titano-magnetite, and the granularity composition of flotation raw ore meets the following requirements: when the weight content of the flotation raw ore larger than one sieve pore size is 5%, the weight content of materials smaller than 1/4 of the sieve pore size in the flotation raw ore in the total flotation raw ore is 8%-20%. The problem that the ilmenite flotation difficulty of the vanadium titano-magnetite is large due to the fact that the flotation raw ore particle size range is wide is solved, technical support is provided for improving the flotation yield and the concentrate grade, low-cost production is facilitated, and the yield is increased.

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01-05-2014 дата публикации

METHOD FOR ON-LINE DIAGNOSING GRADUALLY-CHANGING FAULT OF ELECTRONIC CURRENT TRANSFORMERS

Номер: WO2014063570A1
Принадлежит:

A method for on-line diagnosing gradually-changing fault of electronic current transformers comprises the following steps: collecting output signals of electronic transformers of a whole transformer substation, calculating theoretical instantaneous values of the current at the tail ends of power transmission lines and on secondary sides of transformers at every moment, comparing the theoretical instantaneous values with the corresponding collected values, calculating residual errors of the electronic current transformers at the head and tail ends of each power transmission line and the primary and the secondary sides of each transformer respectively, judging whether gradually-changing fault occurs with the electronic current transformers by comparing the residual errors with preset threshold values, and simultaneously performing Kirchhoff detection by injecting current into a busbar to position a fault transformer. The present invention is easy and convenient to operate, high in calculation ...

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09-05-2023 дата публикации

Determination method for monomer dissociation degree of ilmenite

Номер: CN116078543A
Принадлежит:

The invention discloses a method for measuring the dissociation degree of ilmenite monomers. The method comprises the following steps: a, detecting the total ilmenite content in vanadium titano-magnetite by using a microscope and/or an electron microscope; b, performing low-intensity magnetic separation on the vanadium titano-magnetite to obtain titano-magnetite and a first mixed mineral, performing flotation on the first mixed mineral to obtain sulfide and a second mixed mineral, and performing electric separation on the second mixed mineral to obtain monomer ilmenite; and c, calculating the mass percentage of the monomer ilmenite in the total ilmenite to obtain the monomer dissociation degree of the ilmenite. According to the separation method, on the basis of remarkable substance difference of minerals, titanomagnetite is removed through low intensity magnetic separation, sulfide is removed through flotation, the monomer ilmenite is separated through electric separation, the inclusion ...

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07-07-2023 дата публикации

Unmanned aerial vehicle intelligent inspection method for power transmission line

Номер: CN116400724A
Принадлежит:

The invention relates to a power transmission line unmanned aerial vehicle intelligent inspection method, which is characterized by comprising specific power transmission line optimal inspection path planning based on adaptive control of an improved RBF neural network, offline hyperspectral reference sample rapid sparse representation and a fault point multi-dimensional intelligent identification strategy based on adaptive band switching. According to the method, an optimal routing inspection path is determined in combination with manual routing inspection experience and GPS positioning, and automatic routing inspection of the optimal path of the unmanned aerial vehicle is realized through adaptive control of an improved RBF neural network; power transmission line reference signal basic data are acquired through full-spectrum acquisition of a hyperspectral camera, off-line data analysis is carried out according to various fault type features, an optimal fault identification wave band is ...

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29-08-2023 дата публикации

Security project processing method and device

Номер: CN116664315A
Принадлежит:

The embodiment of the invention provides a guarantee project processing method and device, and the method comprises the steps: starting from user feature data and project data of guarantee projects in all guarantee project combinations after a guarantee configuration request submitted by a user through a guarantee service is obtained, and calculating an asset evaluation parameter of each guarantee project combination, calculating an asset fluctuation index of each guarantee project combination according to the asset evaluation parameter, and carrying out guarantee configuration processing on the user according to a target guarantee project combination selected from each guarantee project combination based on the asset fluctuation index.

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18-07-2023 дата публикации

Beneficiation method for fine-grained pyroxene peridotite type ilmenite

Номер: CN116441035A
Принадлежит:

The invention discloses a beneficiation method of fine-grained pyroxene peridotite type ilmenite, which can realize efficient recovery of the fine-grained pyroxene peridotite type ilmenite so as to obtain three types of flotation ilmenite concentrates with TiO2 grade of about 47%, including coarse-grained ilmenite concentrate, fine-grained ilmenite concentrate and ultrafine-grained ilmenite concentrate. And meanwhile, the total recovery rate of the three kinds of titanium concentrates relative to fine-grain tailing ilmenite is 50% or above. Titanium separation is conducted on the fine-grain pyroxene peridotite type ilmenite through the process, the flotation grade of the ilmenite can be improved, the tailing grade can be reduced, the ilmenite separation cost can be reduced, reselection, magnetic separation and flotation are combined through the cross effect and the combined effect of multiple mineral separation methods in the mineral separation process, the recycling efficiency of the ilmenite ...

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28-04-2023 дата публикации

Device for measuring axial force of motor

Номер: CN116026505A
Принадлежит:

The invention provides a device for measuring the axial force of a motor, and belongs to the field of motor axial force measurement. The right end of a sleeve is closed and is rigidly connected with a flange at one end of a weighing sensor through a bolt, and a bearing sleeve is rigidly connected with a flange at the other end of the weighing sensor through a bolt; the bearing sleeve is internally provided with the tapered roller bearing, the tapered roller bearing is installed at one end of the device rotating shaft and is fastened through the second locking nut, the outer cover penetrates through the device bearing, is installed at the right side of the bearing sleeve and is fixed with the bearing sleeve through a bolt, and the other end of the device rotating shaft is installed on a center hole of a tested motor rotating shaft and is fastened through the third locking nut. The device is wide in application range, and is suitable for measuring the axial force of motors with different ...

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09-05-2023 дата публикации

Preparation method of fat emulsion

Номер: CN116077438A
Принадлежит:

The invention provides the preparation method of the fat emulsion, the emulsion prepared according to the method is good in emulsion particle uniformity and high in stability, and the product quality is improved. The preparation method provided by the invention is simple to operate, stable and controllable in process and suitable for industrial mass production.

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30-05-2023 дата публикации

Device and method for extracting ethanol from fermentation tail gas

Номер: CN116173686A
Принадлежит:

The invention relates to a device and a method for extracting ethanol from fermentation tail gas, and belongs to the technical field of renewable energy source preparation. According to the device, the number of the multiple membrane assemblies can be selected according to requirements, in the process of preparing ethanol through biomass fermentation, the pressure of generated fermentation tail gas is controlled through the gas booster pump, the fermentation tail gas enters the device, and the fermentation tail gas is treated through the membrane assemblies, treated through gas on the interception side of the membrane assemblies and discharged after reaching the standard or directly supplied to downstream processes or users for use; the condensable gas is condensed into liquid by a condenser at the permeation side for collection, and the non-condensable gas is pressurized by a gas booster pump and then continues to circulate in a pipeline at the permeation side or is discharged in proportion ...

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11-07-2023 дата публикации

Prestressed supporting steel structure based on large-span foundation pit engineering

Номер: CN116411578A
Принадлежит:

The invention discloses a prestress type supporting steel structure based on large-span foundation pit engineering. The prestress type supporting steel structure comprises a first supporting plate, a first supporting block, a first movable seat, a first jacking screw, a first fixed seat, a second fixed seat, a second jacking screw, a second movable seat, a second adjustable supporting arm, a second supporting plate, a second supporting block and the like. An internal hexagonal wrench is inserted into an internal hexagonal groove in the upper side of an adjusting head, so that a movable column can push a locking gear to move downwards to be separated from a first driven gear and a second driven gear; the adjusting head can be conveniently driven by the internal hexagonal wrench to rotate to drive the supporting block I to abut against the center of the inner side of the supporting plate I and enable the supporting block II to abut against the center of the inner side of the supporting plate ...

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29-08-2023 дата публикации

Current-limiting contribution degree analysis method of flexible direct-current power grid current-limiting element and related assembly

Номер: CN116667299A
Принадлежит:

The invention discloses a current-limiting contribution degree analysis method for current-limiting elements of a flexible direct-current power grid and related components, and relates to the field of flexible direct-current system faults, and the method comprises the steps: determining the fault current of the direct-current power grid and the voltage at the two ends of each current-limiting element in the direct-current power grid; determining a change value of the fault current under the inhibition of a single current limiting element according to the voltage and the fault current; according to the voltage and the current, determining a change value of energy released by a current converter in the DC power grid under the inhibition of a single current limiting element; and determining the current limiting capability of the current limiting element according to the change value of the fault current and the change value of the released energy. The current-limiting contribution degree of ...

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04-07-2023 дата публикации

Text classification method and device, storage medium and terminal

Номер: CN116383378A
Принадлежит:

The embodiment of the invention discloses a text classification method and device, a storage medium and a terminal, a standard graph structure can be determined in advance based on a large number of sample texts, character node features of sample characters are used as corresponding graph nodes in the standard graph structure, and edges in the standard graph structure are relationships among the sample character node features; the method comprises the steps of firstly obtaining a target text, then obtaining target characters in the target text, determining target character node features corresponding to the target characters in the target text based on a standard graph structure and a target graph structure containing the relation between the target character node features, and finally conducting neural network calculation on the target graph structure, and then determining the category of the target text based on a calculation result. In this way, the target text can be classified.

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09-06-2023 дата публикации

Deep recovery method and device for low-grade strong magnetic tailing ilmenite

Номер: CN116237150A
Принадлежит:

The invention discloses a deep recovery method and device for low-grade strong magnetic tailings ilmenite. The method comprises the following steps: respectively carrying out combined grading operation on first-section strong magnetic tailings and second-section strong magnetic tailings which are divided according to the grade of TiO2; respectively performing concentration and desliming operation on the fine materials obtained by the combined grading operation; respectively carrying out combined enrichment operation on settled sand obtained by the concentration and desliming operation; and the rough concentrate obtained through the combined enrichment operation is subjected to flotation, and the titanium concentrate is obtained. By means of the mode, efficient and deep recovery of the ilmenite with the ultrafine particle size smaller than 0.038 mm in the low-grade strong magnetic tailings with the TiO2 grade being 2.5%-7% can be achieved, and the ilmenite concentrate with the TiO2 grade ...

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25-08-2023 дата публикации

Data decision-making method and device, electronic equipment, medium and program product

Номер: CN116645223A
Принадлежит:

The embodiment of the invention discloses a data decision method and device, electronic equipment, a medium and a program product. The method comprises the following steps: acquiring target to-be-decided data corresponding to a target user; effective information in the target to-be-decided data is extracted, wherein the effective information is information representing influence data decision; a target event set corresponding to the target to-be-decided data is determined based on the effective information, the target event set comprises at least one target event, and the target event comprises event type information and time information; the target event set is input into a decision model, a target decision result corresponding to the target user is output, the decision model is obtained by training a plurality of event sets with known decision results, and each event set comprises at least one event.

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22-08-2023 дата публикации

Security project processing method and device

Номер: CN116630061A
Принадлежит:

The embodiment of the invention provides a guarantee project processing method and device, and the method comprises the steps: screening at least one candidate project combination from a guarantee project combination pool according to the combination data of each guarantee project combination in the guarantee project combination pool and an association factor of an asset fluctuation index, and calculating a utility evaluation index of the at least one candidate item combination in the asset dimension, determining a target item combination in the at least one candidate item combination by means of the utility evaluation index, and recommending the target item combination to the user.

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15-08-2023 дата публикации

Efficient flotation method for fine-fraction ilmenite of vanadium titano-magnetite

Номер: CN116586186A
Принадлежит:

The invention relates to an efficient flotation method for fine-fraction ilmenite of vanadium titano-magnetite, which comprises the following steps of: 1) carrying out flotation on fine-fraction ilmenite flotation raw ore by adopting a flotation process consisting of flotation columns to obtain flotation column titanium concentrate, flotation column tailings and sulphide ore; (2) grading the flotation column tailings through grading equipment, and removing a part of fine-grained tailings products to obtain high-grade coarse-grained tailings; (3) scavenging the high-grade coarse grain tailings through a mechanical flotation machine to obtain scavenged concentrate; and (4) the scavenged concentrate is subjected to ilmenite flotation through a mechanical flotation machine, and titanium concentrate is obtained. The problems that a flotation line composed of fine-fraction ilmenite flotation columns is high in tailing grade and low in ilmenite concentrate yield are solved.

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08-09-2017 дата публикации

The dressing equipment and dressing method

Номер: CN0105665126B
Принадлежит:

... 本发明涉及选矿领域,公开了种选矿设备和方法,其中,该选矿设备具有选矿区域,所述选矿设备包括能够进入或离开所述选矿区域的介质部(10),所述介质部(10)包括由导磁材料制成的基体(11)和设置在所述基体(11)表面的介电层(12),所述选矿设备包括强磁部和介电部,所述强磁部用于在所述选矿区域内对所述介质部(10)施加磁场,所述介电部用于在所述选矿区域内对所述介质部(10)施加电场,所述电场和所述磁场的方向致并在所述介质部(10)形成相同方向的梯度变化。通过本发明的设备和方法能够分选均具有磁性但介电常数与流体介质相近和相差很多的两种矿物的分选。 ...

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06-06-2023 дата публикации

Text processing method, text processing device, text processing method, text processing device, text processing method, text processing device, text processing

Номер: CN116227432A
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The embodiment of the invention discloses a text processing method, device and equipment and a homomorphic different code word determination method, device and equipment, and the text processing method can determine whether a target character set contains a first character for the first character in a to-be-processed text after the to-be-processed text is acquired, the first character is any character in the to-be-processed text, and the characters in the target character set can be correctly processed by a subsequent text processing task; under the condition that the target character set does not contain the first character, whether a second character exists in the target character set or not is determined, and the second character is a homomorphic different-code word of the first character in the target character set; and under the condition that the second character exists in the target character set, replacing the first character in the to-be-processed text with the second character ...

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28-04-2023 дата публикации

Intelligent monitoring method for risk of personnel at coal discharge port

Номер: CN116030391A
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The invention discloses a coal discharge port personnel risk intelligent monitoring method, and the main design conception of the method is that a warning lamp for auxiliary illumination and a plurality of monitoring cameras are arranged at a coal discharge port, and mechanisms such as object contour recognition, human body detection and personnel behavior determination are applied. According to the technical scheme, the dangerous behavior that people appear in the area nearby the discharge port and approach the discharge port is analyzed and processed, and scene change shooting is achieved in combination with flickering of the warning lamp, so that the complexity of personnel detection and behavior recognition at the discharge port in a monitoring video is reduced, early warning and shutdown signals are sent out in time, and safety accidents are avoided. The defect that conventional laser and infrared sensing modes are easily affected by dust and other environments is overcome, an artificial ...

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09-05-2023 дата публикации

Olivine-containing vanadium titano-magnetite beneficiation method

Номер: CN116078538A
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The invention discloses a beneficiation method of olivine-containing vanadium titano-magnetite. The beneficiation method comprises the steps of beneficiation of vanadium-titanium-iron concentrate, beneficiation of coarse and fine mixed titanium concentrate and beneficiation of ultrafine fraction titanium concentrate. According to iron separation, three or more stages of stage grinding and stage separation are carried out, weak magnetic scavenging is arranged in each stage of iron separation, the quality of vanadium-titanium-iron concentrate is guaranteed, meanwhile, ilmenite over-grinding is reduced, the iron separation cost is reduced, and meanwhile, follow-up titanium separation strong magnetic equipment is protected; coarse-grain gravity concentrate and fine-grain gravity concentrate are mixed for titanium separation and ore grinding classification, sufficient dissociation of useful mineral ilmenite is ensured, and conditions are created for subsequent further enrichment; the fine-grain ...

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30-05-2023 дата публикации

Fault device positioning method and device, equipment and storage medium

Номер: CN116184122A
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The invention discloses a fault device positioning method and device, equipment and a storage medium, and relates to the technical field of online monitoring, and the method comprises the steps: obtaining a fault sample and a sample label; training a fault sample and a sample label at each node device by using an artificial neural network based on information forward propagation and error back propagation, and establishing a mapping relationship between a device number and feature information of each node device to obtain a distributed deep network model; and judging whether a fault node device is detected, and if yes, inputting feature information of the fault node device into the distributed deep network model so as to position the fault node device based on output of the distributed deep network model. Therefore, an artificial neural network model can be constructed at each node by using a distributed deep learning algorithm and is trained, and when a fault occurs, fault feature information ...

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07-07-2023 дата публикации

Insurance product object evaluation method and device, storage medium and electronic equipment

Номер: CN116402623A
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The invention discloses an insurance product object evaluation method and device, a storage medium and electronic equipment, and the method comprises the steps: determining a project reaction theoretical model for an insurance product object, carrying out the model calculation of the project reaction theoretical model based on at least one product feature evaluation index corresponding to the insurance product object, and obtaining an evaluation result of the insurance product object; and obtaining potential special quality and model parameters of the project reaction theoretical model, and determining the object evaluation quantity of the insurance product object based on the project reaction theoretical model after model calculation processing.

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08-08-2023 дата публикации

Training method and device of image detection model

Номер: CN116563581A
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The embodiment of the invention provides a training method and device for an image detection model, and the method comprises the steps: inputting a first sample image set and a second sample image set into a to-be-trained teacher network for class matching, and obtaining a class matching probability; inputting the first sample image set and the second sample image set into a student network to be trained so as to perform multivariate feature generation and feature fusion on each sample image according to a similarity matrix corresponding to the first sample image set and the second sample image set to obtain a multivariate feature set and a fused feature set, and calculating training loss based on the category matching probability, the multivariate feature set and the fused feature set, and performing parameter adjustment on the student network to be trained and the teacher network to be trained based on the training loss to realize cooperative training of the student network and the teacher ...

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