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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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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 39. Отображено 39.
21-07-2023 дата публикации

Dressing table control method and control device

Номер: CN116466607A
Принадлежит:

The invention discloses a dresser control method and device and a computer readable storage medium. The control method comprises the following steps: acquiring a make-up demand of a user; detecting makeup steps executed by the user, and generating a new makeup step sequence; obtaining a makeup fixing effect picture of the user after makeup; and associating the makeup demand, the makeup setting effect picture and the new makeup step sequence to form a new makeup template. According to the technical scheme provided by the invention, the user can autonomously establish the new make-up template, so that on one hand, the interactive experience of the dresser is improved, and on the other hand, more diversified make-up templates are provided.

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30-05-2023 дата публикации

Ultra-thin flexible glass online conveying system

Номер: CN116177098A
Принадлежит:

The invention provides an ultra-thin flexible glass online conveying system which comprises a pair of bases (1) and supporting frames (2) connected with the bases (1), a power motor (3) and a control panel (8) are arranged on one supporting frame (2), a power roller (5) and an auxiliary roller (6) are further arranged on the two supporting frames respectively, a conveying belt (9) is arranged on the power roller and the auxiliary roller in a sleeving mode, an air pump (10) is arranged on the conveying belt, and the air pump (10) is arranged on the air pump (10). A supporting grid (12) is further arranged on the surface of the conveying belt, and an air channel (11) and air holes (13) are formed in the conveying belt. When ultra-thin flexible glass is conveyed on line, the operation method is simple, sliding of the glass on the conveying belt during cutting, cleaning and other procedures can be reduced by adopting the negative pressure adsorption principle, the scratch rate of the glass ...

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11-08-2023 дата публикации

Rehabilitation training device, training device using method and bearing bed

Номер: CN116570476A
Принадлежит:

The invention relates to a rehabilitation training device, a training device using method and a bearing bed, the rehabilitation training device comprises a sliding rail, the interior of the sliding rail is of a hollow structure, a groove-shaped through hole communicated with the interior of the sliding rail is formed in the side wall of the sliding rail, a sliding block is arranged in the sliding rail, and at least part of the sliding block extends to the exterior of the sliding rail through the through hole. According to the rehabilitation training device, the training device using method and the bearing bed, through cooperative use of the sliding rail, the through hole, the connecting plate, the protection assembly, the holding rod and the supporting assembly, when a gastric perforation patient is in a rehabilitation period, the patient can limit and clamp the waist and the surrounding body of the patient through the protection assembly, and then the patient holds the holding rod by hand ...

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18-07-2023 дата публикации

Electroplating factory polluted soil leaching treatment equipment and method capable of adjusting liquid-soil ratio

Номер: CN116441297A
Принадлежит:

The invention discloses electroplating factory polluted soil leaching treatment equipment and method capable of adjusting the liquid-soil ratio. The equipment comprises a leaching box, a hopper and a liquid storage box, a stirring device is arranged in the leaching box, a spraying system is arranged on the leaching box, and a transmission control mechanism is connected between the spraying system and the stirring device; the stirring device comprises a stirring shaft and a stirring motor, the spraying system comprises a liquid outlet pipe and a spraying head, the transmission control mechanism comprises a first belt wheel and lead screws located on the two sides of the hopper, a discharging groove is formed in the top face of the leaching box, and a liquid discharging opening is formed in the side wall of the leaching box. The leacheate can be released along with starting of the stirring motor, operation is more convenient and faster, the sliding block can drive the spraying head to slide ...

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04-07-2019 дата публикации

MULTI-BUS HYBRID NETWORKING TRAIN CONTROL AND MANAGEMENT SYSTEM FOR MEDIUM-LOW SPEED MAGLEV TRAINS

Номер: WO2019128478A1
Принадлежит:

Disclosed in the present invention is a multi-bus hybrid networking train control and management system for medium-low speed maglev trains, comprising two levels of networks and three subsystems. One level of network among the two levels of networks is a redundant backbone network consisting of a multifunction vehicle bus (MVB) and an ECN dual bus, and is mainly used for vehicle level monitoring and control and the management of the whole vehicle control network. ECU communication is preferably used, and the MVB serves as a redundant backup. The other level of network is a device level network consisting of RS-485 and CANopen buses, and is used for device level data communication. The three subsystems comprise a vehicle backup camera subsystem, a wireless uploading subsystem and a multifunction monitoring platform. Compared with the prior art, the present invention reduces seven MVB gateways, one power board and one RIOM chassis. Costs of about 146 thousand RMB are saved per train. As the ...

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30-06-2023 дата публикации

Highway multi-granularity mixture production process

Номер: CN116352880A
Принадлежит:

The invention discloses a road multi-granularity mixture production process, the road multi-granularity mixture production process is realized through a road multi-granularity mixture production device, the road multi-granularity mixture production device comprises a box body, the box body is internally provided with a crushing assembly used for crushing dressed stones, and the crushing assembly is internally provided with a crushing assembly used for crushing dressed stones. A screening assembly used for screening and heating dressed stones is arranged below the smashing assembly, a stirring assembly used for mixing the dressed stones is arranged below the screening assembly, a motor of the smashing assembly drives a belt wheel to rotate, a conveying belt rotates to drive smashing blades to smash the dressed stones, and the smashed dressed stones are conveyed through the conveying belt. A motor rotates to drive a first cam to push a sliding rod to slide in a sliding barrel, water in a ...

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30-05-2023 дата публикации

Athlete psychological consultation service system and method based on natural language processing

Номер: CN116189851A
Принадлежит:

The invention relates to an athlete psychological consultation service system and method based on natural language processing, and belongs to the technical field of sports psychology and artificial intelligence application. According to the method, a regular expression matching and replacing method in natural language processing is used for replacing the text, real-time emotional dialogue feedback of an athlete seeker is achieved, visitors can be guided to talk, and information collection in the initial stage of psychological counseling is completed. Through a probability-based text classification method and in combination with a psychological question corpus, information collected at the initial stage of consultation is classified, and psychological questions described by athletes who seek to be queried are professionally and reliably classified. According to different psychological problem categories, psychological intervention is implemented through a psychological standardized chat ...

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02-06-2023 дата публикации

OLED glass with excellent optical performance

Номер: CN116199421A
Принадлежит:

The invention discloses OLED (Organic Light Emitting Diode) glass with excellent optical performance, which belongs to the field of glass production and manufacturing and is prepared from the following raw materials in percentage by weight: 57 to 62 percent of SiO2, 20 to 24 percent of Al2O3, 0.5 to 2 percent of B2O3, 2 to 5 percent of BaF2, 8 to 11 percent of SrO, 0.5 to 1.5 percent of BeF2, 0.2 to 0.5 percent of SnO2, 0.3 to 1.0 percent of La2O3, 0.2 to 1.0 percent of P2O5, 0.2 to 0.8 percent of AlF3 and 0.1 to 0.3 percent of AgNO3. The preparation method comprises the following steps: screening silicon dioxide and aluminum oxide, uniformly stirring, uniformly mixing with other raw materials, melting, thinning and forming in a tin bath area, annealing, and cutting and breaking off to obtain a finished product. The glass provided by the invention not only meets the use performance of optical glass, but also has excellent mechanical properties and thermal properties, and has good application ...

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04-07-2023 дата публикации

Sample collection device for researching formation mechanism of iron manganese nodule in soil

Номер: CN116380526A
Принадлежит:

The invention discloses a sample collection device for researching the formation mechanism of iron manganese nodule in soil, which comprises a shell, a collection mechanism and a driving mechanism for providing kinetic energy for the collection mechanism are arranged in the shell, a base is arranged at the bottom of the shell, and the driving mechanism comprises a motor and a shaft lever. The collecting mechanism comprises a collecting cylinder arranged in the vertical direction and a collecting box arranged in the collecting cylinder in the horizontal direction; by arranging the driving mechanism, the collecting mechanism can penetrate into soil in the shell to perform sampling work, two threaded rods are driven by the motor to rotate, so that a moving block can drive a collecting barrel to move on the threaded rods, and by arranging a transmission assembly and a shifting plate matched with the transmission assembly, the sampling efficiency is improved. The collecting box can automatically ...

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06-06-2023 дата публикации

Low-warpage and high-strength flexible glass as well as surface treatment method and application thereof

Номер: CN116217074A
Принадлежит:

The invention relates to low-warpage and high-strength flexible glass as well as a surface treatment method and application thereof. The flexible glass is prepared from the following components in percentage by weight: 55 to 75.5 percent of SiO2, 4.5 to 24.5 percent of Al2O3, 0 to 5.5 percent of B2O3, 0 to 5 percent of Li2O, 0.5 to 15 percent of Na2O, 0.5 to 7 percent of K2O, 0 to 8 percent of MgO, 0 to 8 percent of CaO, 0 to 5.5 percent of ZrO2 and 0.1 to 6.5 percent of RE2O3. Wherein MgO + CaO is less than or equal to 12%; na2O/RO < = 1.2; k2O/RO < = 0.3; rO/Al2O3 is less than or equal to 1.5, and RO is alkaline earth metal oxide. The surface treatment method comprises the following steps: S1, coating the flexible glass prepared from the components; s2, uniformly coating the film material on the surface of flexible glass; and S3, carrying out chemical strengthening on the flexible glass by adopting a one-step method or a two-step method. According to the invention, the stress distribution ...

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26-05-2023 дата публикации

Coal rock impact tendency direct index evaluation method based on multilayer perceptron algorithm

Номер: CN116167147A
Принадлежит:

The invention provides a coal rock impact tendency direct index evaluation method based on a multilayer perceptron algorithm, and the method comprises the steps: carrying out the triaxial cyclic loading and unloading processing of an initial coal rock, so as to obtain a coal rock energy evolution data set, carrying out the uniaxial compression processing of a to-be-tested coal rock, so as to obtain the data of the to-be-tested coal rock, and carrying out the uniaxial compression processing of the to-be-tested coal rock; training the initial peak elastic energy determination model by adopting the coal rock energy evolution data set to obtain a target peak elastic energy determination model, training the initial post-peak failure strain energy determination model by adopting the coal rock energy evolution data set to obtain a target post-peak failure strain energy determination model, and determining the initial post-peak failure strain energy according to the target peak elastic energy determination ...

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16-05-2023 дата публикации

Sealing glass powder with high expansion coefficient as well as preparation method and application thereof

Номер: CN116119933A
Принадлежит:

The invention relates to high-expansion-coefficient sealing glass powder as well as a preparation method and application thereof. The sealing glass powder is prepared from a component I and a component II, the component I is prepared from the following oxides in molar percentage: 35 to 60 percent of P2O5, 5 to 20 percent of Al2O3, 10 to 20 percent of B2O3, 0.1 to 10 percent of Bi2O3, 5 to 25 percent of ZnO, 0.1 to 5 percent of TiO2, 0.1 to 10 percent of ZrO2, 0.1 to 5 percent of BaO, 0 to 5 percent of CaO, 0 to 5 percent of MgO, 0 to 5 percent of SrO, 0.1 to 5 percent of Nd2O3, 0 to 5 percent of Y2O3 and 0 to 5 percent of Er2O3; and the component II is a reinforcing filler. The preparation method comprises the following steps: S1, preparing a mixture; step S2, melting is carried out; step S3, crushing and grinding; and step S4, mixing and granulating. The formula of the sealing glass powder is free of alkali metal oxide, so that the water resistance of the sealing glass powder is improved ...

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09-05-2023 дата публикации

Assembled nanoparticle PM-HMSN/Arg as well as preparation method and application thereof

Номер: CN116077684A
Принадлежит:

The invention belongs to the technical field of biological materials, and particularly relates to an assembled nanoparticle PM-HMSN/Arg as well as a preparation method and application thereof. Hollow silicate nanoparticles (HSN), Mn element, L-Arg and a platelet membrane (PM) are used as raw materials, and the hollow manganese silicate nanoparticles PM-HMSN/Arg containing the L-Arg and wrapping the platelet membrane are prepared through an element in-situ growth method, a physical electrostatic adsorption method and a film extrusion method. After entering blood, the PM-HMSN/Arg nanoparticles prepared by the invention are actively accumulated to a tumor site through a natural platelet membrane surface protein-mediated binding effect. Under the activation of ultrasonic waves, a large amount of ROS is generated in the holes, and L-Arg is catalyzed to be converted into NO. NO molecules enter tumor tissues in a diffusion form, and serve as an ultrasonic contrast agent while inhibiting tumor ...

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25-04-2023 дата публикации

Preparation method of heat-conducting flexible glass substrate

Номер: CN116002960A
Принадлежит:

The invention relates to a preparation method of heat-conducting flexible glass. The preparation method is characterized by comprising two aspects of heat-conducting filler addition and chemical thinning, the preparation method comprises the following steps: melting a glass batch at a high temperature, pouring a certain amount of molten glass into a mold, rapidly and uniformly covering the surface of the molten glass with a layer of nano-scale heat-conducting filler, pouring the rest of the molten glass on the surface, and carrying out molding annealing; and preparing the flexible glass filled with the nano-scale heat-conducting filler by using a chemical thinning method. The high-thermal-conductivity flexible glass is prepared by adding the thermal conductive filler and a chemical thinning method, and the thermal conductivity of the flexible glass can be effectively improved.

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30-05-2023 дата публикации

Method and system for predicting stress layer depth after glass tempering based on machine learning

Номер: CN116187167A
Принадлежит:

The invention discloses a method and system for predicting the depth of a stress layer after glass tempering based on machine learning, and the method comprises the steps: fitting a relation between a plurality of preset stress layer depth key feature parameters extracted based on glass components and tempering process parameters and the depth of the stress layer after glass tempering through a pre-constructed machine learning model, obtaining a trained depth prediction model; and inputting the plurality of preset stress layer depth key characteristic parameters after glass to be predicted is tempered into the trained depth prediction model, and obtaining a stress layer depth prediction result after the glass to be predicted is tempered. According to the method, for stress layer depth analysis after glass tempering, the pre-constructed machine learning model is used for fitting the relationship between the multiple preset stress layer depth key characteristic parameters extracted based ...

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27-06-2023 дата публикации

Method for measuring heat shrinkage rate of flexible glass

Номер: CN116337926A
Принадлежит:

The invention discloses a method for measuring the thermal shrinkage rate of flexible glass, which comprises the following steps of: vertically placing a flexible glass sample in a furnace body to enable the initial state of the flexible glass sample to be stable, and performing exposure imaging on a dry plate to obtain an image of the end part of the sample; heating the glass sample to 400-600 DEG C at a heating rate of 2.5 DEG C/min, keeping the temperature at the temperature until the glass sample is stably heated, cooling to 150 DEG C at a cooling rate of 2.5 DEG C/min, naturally cooling to room temperature, and performing exposure imaging again to obtain a position image of the lower end part of the glass sample; and measuring the length variation of the two images obtained before and after by using an optical microscope, and further calculating the thermal shrinkage of the glass as C = L/L0. According to the invention, a method of combining an imaging method and an optical microscope ...

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21-07-2023 дата публикации

Dressing table control method and control device

Номер: CN116466606A
Принадлежит:

The invention provides a dresser control method and device, a dresser and a computer readable storage medium. The dressing table is provided with a plurality of containing areas used for containing cosmetics. The dresser control method comprises the steps that a recommended makeup template is obtained, the recommended makeup template comprises a makeup step sequence with at least one makeup step, and each makeup step is associated with relevant information of recommended cosmetics; determining an optimal matching cosmetic corresponding to each makeup step from the cosmetics stored in the plurality of accommodating areas based on the related information of the recommended cosmetics; and controlling the dresser to output prompt information based on the makeup step sequence in the recommended makeup template, wherein the prompt information at least comprises the position information of the accommodating area where the best matching cosmetics are located. According to the technical scheme provided ...

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16-05-2023 дата публикации

Intelligent prediction method for earth surface damage of directional topping crushing and expanding filling mining working face

Номер: CN116127788A
Принадлежит:

The invention relates to the technical field of coal mining, in particular to an intelligent prediction method for earth surface damage of a directional topping crushing and expanding filling mining working face. The method comprises the steps that a training data set is constructed, the training data set comprises working face parameters and earth surface damage indexes, the working face parameters are model input data, the earth surface damage indexes are labels, and the earth surface damage indexes are the sum of the crack depth, the crack width, the crack step displacement amount, the negative value of the crack spacing and the crack length under the corresponding working face parameters; constructing a surface damage prediction model; training a surface damage prediction model by using the training data set to obtain a target surface damage prediction model; and acquiring preset working face parameters before actual directional top-cutting breaking and expanding mining, and inputting ...

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15-08-2023 дата публикации

Gastric perforation rehabilitation device, rehabilitation device using method, transportation method and bearing bed

Номер: CN116585121A
Принадлежит:

The invention relates to a gastric perforation rehabilitation device, a rehabilitation device using method, a rehabilitation device transporting method and a bearing bed, the gastric perforation rehabilitation device comprises an assembling assembly used for assembling the rehabilitation device on a bed body, a semi-reclining position assembly installed on the assembling assembly and a fructus evodiae blending and external application assembly used for conducting external application on the Zusanli acupoint of a patient, and the assembling assembly comprises a mounting plate; the mounting plate is located above the bed body, and a mounting mechanism is arranged below the mounting plate. In short, the patient can select a semi-reclining position for resting and rehabilitation or use evodia rutaecarpa to externally apply the Zusanli acupoint according to the illness condition, so that the problem that in the prior art, the patient can still achieve effective semi-reclining position resting ...

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28-07-2023 дата публикации

Hu sheep breeding bed convenient to clean and cleaning method thereof

Номер: CN116491426A
Принадлежит:

The invention discloses a convenient-to-clean Hu sheep breeding bed and a cleaning method thereof, and belongs to the technical field of Hu sheep breeding beds. A Hu sheep breeding bed convenient to clean comprises a breeding shed body, a fixed base is installed below the breeding shed body, a breeding bed plate is arranged above the fixed base, and a cleaning device is installed on the breeding bed plate. The problems that the cleaning efficiency is poor, water after cleaning cannot be discharged, corners cannot be washed in the cleaning process, and cleaning dead corners are likely to appear due to the fact that the breeding bed plate cannot be well cleaned in the prior art are solved, through cooperation of cleaning liquid and a brush, the washing efficiency is improved, the inclined cleaning degree of the breeding bed plate is guaranteed, and the cleaning efficiency is improved. The flushing plate rotates to be perpendicular to the sweeping piece, sweeping and flushing dead corners ...

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21-07-2023 дата публикации

Dressing table control method and control device

Номер: CN116466604A
Принадлежит:

The invention provides a dresser control method and device, a dresser and a computer readable storage medium. The dressing table is provided with a plurality of containing areas used for containing cosmetics. The dresser control method comprises the steps that relevant information of cosmetics stored in a plurality of containing areas is obtained; matching with an existing makeup template based on the related information of the stored cosmetics to obtain a recommended makeup template; and controlling the dresser to output prompt information based on the makeup step sequence in the recommended makeup template. According to the technical scheme provided by the invention, invalid makeup template recommendation can be avoided, and the makeup template recommendation efficiency is improved.

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28-04-2023 дата публикации

Measurement and regulation and control method for breaking and swelling coefficient of rock

Номер: CN116027014A
Принадлежит:

The invention provides a method for measuring, regulating and controlling the breaking coefficient of rock, and relates to the field of coal mining, and the method comprises the steps: determining the number and width of concrete blocks built in a rock stratum of a simulated working face according to a preset similarity ratio and the number of hydraulic supports; the method comprises the following steps: constructing a working face rock stratum by adopting a rock stratum simulation material, differently coloring the rock stratum simulation material according to lithology difference, arranging a plurality of measuring points at the boundary of each rock stratum, and recording the height of each measuring point; setting different mining conditions according to different mining factors, mining a working face rock stratum according to the different mining conditions, and recording the height of each measuring point after mining after the rock stratum collapses; based on the height of each measuring ...

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30-06-2023 дата публикации

Detection depth adjustable soil detection device for heavy metal soil remediation

Номер: CN116359473A
Принадлежит:

The invention discloses a detection-depth-adjustable soil detection device for heavy metal soil remediation. The detection-depth-adjustable soil detection device comprises a bracket, a lifting assembly, a sampling assembly and a soil detector, the lifting assembly comprises a lifting table clamped to the inner side of the support and a reset component used for driving the lifting moving position. The sampling assembly comprises a soil drilling pipe rotationally clamped with the lifting table, a sampling pipe sleeved with the soil drilling pipe, a sampling motor arranged on the upper end face of the lifting table and used for driving the soil drilling pipe and the sampling pipe to rotate and a lifting motor used for driving the sampling pipe to move, and the soil detector is arranged at the top end of the support; the device is reasonable in structural design, flexible and reliable in heavy metal contaminated soil detection depth adjustment and suitable for popularization and application ...

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21-07-2023 дата публикации

Dressing table

Номер: CN116466602A
Принадлежит:

The invention discloses a dressing table, and relates to the field of intelligent furniture. The dressing table comprises a main table body and an information output system, wherein the main table body is provided with a plurality of accommodating areas for storing cosmetics; the information output system comprises a display panel and a semi-transparent and semi-reflecting mirror covering the display surface of the display panel, the semi-transparent and semi-reflecting mirror is used for reflecting external environment light so that a user can observe the makeup through the semi-transparent and semi-reflecting mirror, and the semi-transparent and semi-reflecting mirror is further used for transmitting light generated by the display panel so that the makeup of the user can be observed. Therefore, a user can observe a display image of the display panel. By means of the mode, the information output system of the dresser can be used as a full mirror and can output the display image, and therefore ...

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18-08-2023 дата публикации

Soil leaching equipment and leaching method for repairing heavy metal contaminated site

Номер: CN116603850A
Принадлежит:

The invention discloses soil leaching equipment for heavy metal contaminated site remediation and a leaching method, and belongs to the technical field of soil leaching, the soil leaching equipment comprises a soil shoveling device, a leaching device and a vehicle body, the soil shoveling device is rotatably connected to the left side of the vehicle body, and the leaching device is fixedly connected to the interior of the vehicle body; the drip washing device comprises a drip washing belt I, a drip washing belt II, a drip washing belt III, a drip washing belt IV, a drip washing belt V, a mud-water separator and a water filtering tank, the bottom of the water filtering tank is fixedly connected with the vehicle body, and the drip washing belt I, the drip washing belt II, the drip washing belt III, the drip washing belt IV and the drip washing belt V are all mounted at the top of the water filtering tank; compared with stirring after soil and water are mixed, the drip washing mode can achieve ...

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13-06-2023 дата публикации

Preparation method of flexible antibacterial glass

Номер: CN116253527A
Принадлежит:

The invention discloses a preparation method of novel flexible antibacterial glass, which comprises the following steps: cleaning a flexible glass substrate, soaking the flexible glass substrate in an absolute ethyl alcohol-containing alkaline solution for 24 hours, soaking the flexible glass substrate in H2SO4: H2O2 washing liquor with the volume ratio of 7: 3 for 40 minutes, and carrying out water bath for 20 minutes at 60 DEG C in a NH3.H2O: H2O2: H2O mixed solution with the volume ratio of 1: 1: 5; and immersing the glass substrate in the graphene oxide solution for 5 minutes, immersing the glass substrate in the silver sol, and taking out the substrate at a pulling speed of 5-10 mm/s to obtain the flexible glass substrate with the surface plated with nano-silver. The antibacterial activity grade of the flexible antibacterial glass is grade II, the antibacterial R is larger than or equal to 3, the thickness is 30-70 microns, the surface of the flexible glass is covered with a layer ...

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12-05-2023 дата публикации

OLED glass substrate composition and preparation method thereof

Номер: CN116102254A
Принадлежит:

The invention relates to an OLED (Organic Light Emitting Diode) glass substrate composition and a preparation method thereof, and is characterized in that the OLED glass substrate composition is prepared from the following raw materials in percentage by mass: 61 to 63 percent of SiO2, 17 to 20 percent of Al2O3, 4 to 8 percent of CaO, 0.5 to 2 percent of B2O3, 3 to 6 percent of MgO, 0 to 4 percent of SrO, 2 to 8 percent of BaO, 0.15 to 0.3 percent of SnO2 and 0.07 to 0.8 percent of Sr (NO3) 2, the glass batch is melted for 7-12 hours at the temperature of 1660-1700 DEG C, the melted glass liquid is melted in a platinum crucible and is stirred, clarified and homogenized, the strain point of the prepared OLED glass substrate is up to 720 DEG C or above, the elastic modulus can reach 80 GPa or above, bubbles are few, and the homogeneity is good.

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16-05-2023 дата публикации

Metal organic framework compound, preparation method and application

Номер: CN116120584A
Принадлежит:

The invention provides a metal organic framework compound as well as a preparation method and application thereof. The chemical formula of the compound is [Cu3 (fbptc) 2]. 3H2O, the invention also relates to a preparation method of the compound, which comprises the following steps: dissolving copper nitrate trihydrate and 4-fluoro-[1, 1 '-biphenyl]-3, 4', 5-tricarboxylic acid in a certain proportion in an organic solvent, and reacting at 115-125 DEG C for 65-75 hours. The compound prepared by the invention is used for adsorbing and separating a mixture of C2H2 and CO2. The method is mild in reaction condition, the used 4-fluoro-[1, 1 '-biphenyl]-3, 4', 5-tricarboxylic acid ligand shows the directional coordination advantage of polycarboxylic acid ligands, and the constructed metal organic framework compound can be used as a potential adsorption separation material to be applied to the field of adsorption separation of C2H2 and CO2 mixtures.

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06-06-2023 дата публикации

Flexible antibacterial glass capable of effectively inhibiting reduction of silver ions

Номер: CN116217072A
Принадлежит:

The invention relates to flexible antibacterial glass capable of effectively inhibiting reduction of silver ions. The flexible antibacterial glass comprises the following components in percentage by mass: 55-65% of SiO2, 16-25% of Al2O3, 5-12% of Na2O, 0.5-4% of K2O, 2-8% of MgO, 0-1% of CaO, 20-2% of ZrO, 0.1-1% of Ag2O, 0.2-3.55% of CoO and 0-0.5% of Na2S. The raw materials form a batch, and the batch is melted and molded. The flexible antibacterial glass has the advantages that the flexible antibacterial glass can well inhibit silver ions from being reduced into silver simple substances, and glass yellowing is effectively controlled; the flexible glass has antibacterial performance, and compared with an ion exchange method which enables the flexible glass to have an antibacterial effect, the flexible glass is thin, so that the strength and toughness of the flexible glass cannot be damaged, the antibacterial activity grade is grade II, the antibacterial R is greater than or equal to 3 ...

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30-05-2023 дата публикации

Method for reducing hydroxyl content of lithium aluminum silicate glass

Номер: CN116177876A
Принадлежит:

The invention discloses a method for reducing the hydroxyl content of lithium aluminosilicate glass, and belongs to the technical field of lithium aluminosilicate glass preparation, a low-medium-temperature three-step combined hydroxyl reduction method is adopted, treatment is carried out in different temperature ranges, and the method comprises the following steps: chemical pretreatment of raw materials; drying the raw materials; carrying out middle-temperature and high-temperature hydroxyl removal treatment; in the middle-temperature and high-temperature treatment process, the interior of the melting furnace is subjected to dehydroxylation under a vacuum condition (the vacuum degree is 99.5) or in a specific atmosphere; therefore, the purposes of reducing the hydroxyl content of the lithium aluminosilicate glass and improving the strength of the lithium aluminosilicate glass are achieved.

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11-04-2023 дата публикации

Wireless sensor node positioning method, device and equipment and storage medium

Номер: CN115955647A
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The invention provides a wireless sensor node positioning method and device, equipment and a storage medium, and the method comprises the steps: determining the minimum hop count from a beacon node to each other sensor node according to the distance between the sensor nodes for each beacon node; calculating the average hop distance of the beacon node according to the minimum hop count and the distance from the beacon node to other beacon nodes; correcting the average hop distance of each beacon node based on an improved grey wolf algorithm; and calculating the position of the node to be positioned based on a three-dimensional hyperbolic curve improved least square method by using the corrected average hop distance and the minimum hop count from the beacon node to the node to be positioned. According to the scheme, the more accurate average hop distance is obtained according to the actual distance between the nodes and the grey wolf algorithm, and the accuracy of finally calculating the ...

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21-07-2023 дата публикации

DGT device for gradient thin film diffusion method and use method

Номер: CN116465793A
Принадлежит:

The invention relates to the technical field of gradient thin film diffusion, and discloses a DGT device for a gradient thin film diffusion method and a using method, and the device comprises a gradient thin film detection device and a soil positioning device which is arranged below the gradient thin film detection device and can be inserted into soil; the gradient film detection device comprises a detector mounting structure, a gradient film detector arranged on the detector mounting structure, and an elastic expansion device which is arranged in the detector mounting structure and can be in contact with the gradient film detector; the use method comprises the following steps: S1, placing the DGT detection device in soil; s2, the gradient detection module is in close contact with the soil; s3, gradient diffusion detection; according to the device, soil can make close contact with the gradient detection module, the soil detection range is wider, and accurate detection of the heavy metal ...

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23-06-2023 дата публикации

Internet of Things equipment stack overflow vulnerability mining and utilizing method based on reverse analysis

Номер: CN116305152A
Принадлежит:

The invention provides an Internet of Things equipment stack overflow vulnerability mining and utilizing method based on reverse analysis. The method comprises the following steps: acquiring a Web service back-end code and a code structure of Internet of Things equipment; carrying out reverse analysis on the danger function; analyzing by taking a relation chain jointly formed by a function call chain and a variable transfer chain as a basic unit so as to locate a vulnerability point and determine a stack overflow vulnerability; and constructing a malicious POST to utilize the vulnerabilities. The method has high pertinence, the vulnerability detection range can be effectively narrowed, the manpower cost consumed in detection is reduced, and the vulnerability detection rate is increased. The method is not limited by the automation degree of a detection device, and the stack overflow vulnerability in the Internet of Things equipment can be effectively detected, so that the security of the ...

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06-06-2023 дата публикации

Large-size flexible glass production line

Номер: CN116217056A
Принадлежит:

The invention discloses a large-size flexible glass production line, which relates to the technical field of flexible glass and specifically comprises a kiln, a tin bath, a heating furnace, a secondary thinning system, an annealing furnace and a laser cutting device which are communicated in sequence. The secondary thinning system is sequentially provided with an E area, an F area and a G area along the inlet direction, the E area and the F area are used for gradually thinning glass entering the secondary thinning system in sequence, the G area is used for shaping a flexible glass plate, the thickness of a glass tape after primary thinning is 120-150 microns, and the width of the glass tape is greater than 1200 mm. According to the present invention, the horizontal float process is adopted to carry out the primary thinning, the glass subjected to the secondary thinning has a certain toughness, the later secondary thinning is convenient, the plate width after the secondary thinning is greater ...

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21-07-2023 дата публикации

Dressing table control method and control device

Номер: CN116466603A
Принадлежит:

The invention provides a dresser control method and device, a dresser and a computer readable storage medium. The dressing table is provided with a plurality of containing areas used for containing cosmetics. The control method comprises the steps of obtaining related information of cosmetics to be managed; determining the storage temperature of the to-be-managed cosmetics based on the related information; and based on the storage temperature, recommending the accommodating area in which the to-be-managed cosmetics need to be placed or controlling the temperature in the accommodating area for accommodating the to-be-managed cosmetics. According to the technical scheme provided by the invention, conditions suitable for storage are provided for the to-be-managed cosmetics, and deterioration of the to-be-managed cosmetics due to improper storage is avoided.

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28-04-2023 дата публикации

Multifunctional variable-temperature automatic flushing device for water conservancy and hydropower engineering construction

Номер: CN116024927A
Принадлежит:

The invention relates to a multifunctional variable-temperature automatic flushing device for water conservancy and hydropower engineering construction, and belongs to the technical field of water conservancy and hydropower engineering. In order to solve the problems that when water is heated in the prior art, water in a heating box is integrally heated, so that when only a certain amount of hot water is needed during water conservancy and hydropower construction, electricity waste is caused by heating all the water, and then energy waste is caused, the following technical scheme is provided: the water heater comprises a vehicle body and a water tank, the water tank is installed on the vehicle body, a cold water chamber and a heating chamber are arranged in the water tank, a water inlet is formed in the upper portion of the cold water chamber, an interlayer is arranged between the cold water chamber and the heating chamber in a sealed mode, a connecting pipe penetrating through the interlayer ...

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21-07-2023 дата публикации

Dressing table

Номер: CN116458736A
Принадлежит:

The invention provides a dressing table. The dressing table comprises a main table body and a temperature control system, the main table body is provided with a plurality of containing areas and at least one objective table, and the containing areas are used for containing cosmetics; the temperature control system is arranged to refrigerate at least part of the containing area and selectively heat the objective table. According to the dressing table, at least part of the containing area can be refrigerated through the temperature control system, and therefore the storage requirement of special cosmetics can be met; in addition, the objective table can be heated, so that the temperature of the objective table is increased, and then the objective table can heat daily necessities needing to be heated.

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09-05-2023 дата публикации

Flexible glass warping rate testing device

Номер: CN116086345A
Принадлежит:

The invention discloses a flexible glass warping rate testing device which comprises a box body, a support is arranged in the box body, a first linear reciprocating mechanism and a second linear reciprocating mechanism are sequentially arranged on the support from bottom to top, the moving planes of the first linear reciprocating mechanism and the second linear reciprocating mechanism are parallel to each other, and a testing platform parallel to the moving plane of the first linear reciprocating mechanism is arranged on the moving part of the first linear reciprocating mechanism. A distance measuring sensor with a downward detection direction and perpendicular to the motion plane is arranged on a moving part of the second linear reciprocating motion mechanism, the distance measuring sensor is a dispersion confocal displacement sensor, the moving direction of the test platform and the moving direction of the distance measuring sensor are intersected in the vertical projection direction, ...

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12-05-2023 дата публикации

Flexible glass with high elastic modulus

Номер: CN116102258A
Принадлежит:

The invention discloses flexible glass with a high elastic modulus. The flexible glass is prepared from the following raw materials in percentage by weight: 55.0 to 60.0 percent of SiO2, 16.0 to 21.0 percent of Al2O3, 13.3 to 19.0 percent of B2O3, 2.8 to 13.0 percent of CaCO3, 2.2 to 3.4 percent of MgO, 0.3 to 1.8 percent of SrCO3, 0.1 to 0.4 percent of Ba (NO3) 2 and 0.8 to 2.0 percent of BeCO3. The preparation method comprises the following steps: uniformly mixing the raw materials, pouring into a platinum crucible, melting and clarifying at 1580-1700 DEG C, pouring into a stainless steel mold for molding, annealing at 550-650 DEG C, cooling, and carrying out conventional thinning and strengthening. The elastic modulus of the flexible glass is improved, the high-temperature characteristic viscosity point of the glass is reduced, the surface tension of molten glass is reduced, the float forming process of the glass is easy to control, and the density uniformity of a glass product is greatly ...

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