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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 30. Отображено 30.
16-05-2023 дата публикации

免手扶穿戴式吸奶器

Номер: CN308043313S
Автор: 吕敏
Принадлежит: 深圳市沁泽通达科技有限公司

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29-08-2023 дата публикации

Rapid testing and cutting device for plastic package laser

Номер: CN116667127A
Принадлежит:

The invention discloses a rapid testing and cutting device for a plastic package laser. The rapid testing and cutting device comprises a pushing mechanism, a lifting type feeding mechanism, a laser fixing clamp, a telescopic contact pin, a lifting type power testing system and a cutting mechanism. Wherein the pushing mechanism is located on the left side of the lifting type feeding mechanism, and the lifting type feeding mechanism is provided with a plurality of objective tables which are vertically arranged. The laser fixing clamp is arranged on the right side of the lifting type feeding mechanism, and the laser fixing clamp and an objective table on the lifting type feeding mechanism are located in the same plane. The telescopic contact pins are distributed on the outer side of the laser fixing clamp at intervals, through holes corresponding to the telescopic contact pins are formed in the side wall of the laser fixing clamp, and the telescopic contact pins correspond to electrode leads ...

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23-05-2023 дата публикации

Clothes dryer door body and clothes dryer

Номер: CN116145399A
Принадлежит:

The invention relates to the technical field of clothes dryers, and discloses a clothes dryer door body and a clothes dryer. The clothes dryer door body comprises a main door, an auxiliary door and a barrel wall. The main door is hinged to the clothes dryer body. The auxiliary door comprises a first grid hole, and the first grid hole can be selectively opened or closed. One end of the cylinder wall is connected with the main door, and the other end of the cylinder wall is connected with the auxiliary door. The main door, the auxiliary door and the drum wall jointly define the second clothes drying drum, the second clothes drying drum is used for storing small clothes, large clothes and the small clothes are placed in a separated mode, and the situation that the small clothes are wrapped by the large clothes and cannot be dried is prevented. The second clothes drying cylinder is communicated with the first clothes drying cylinder through first grid holes in the auxiliary door. Meanwhile, ...

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27-06-2023 дата публикации

Movable bulk material stacker

Номер: CN116331775A
Принадлежит:

The movable bulk material stacker comprises a first crawler-type walking base, first connecting plates which are symmetrically arranged are installed at the top of the first crawler-type walking base, a feeding hopper is installed at the top of a supporting plate, a discharging pipe is installed at the bottom of the feeding hopper, and a first baffle is installed in the feeding hopper; a first storage groove is formed in the outer wall of one side of the first baffle, a first micro electric push rod is installed on the inner wall of one side of the first storage groove, a second baffle is installed at the output end of the first micro electric push rod, and a limiting block is installed on the outer wall of one side of the second baffle. A limiting hole is formed in the inner wall of one side of the feeding hopper. By arranging the first crawler-type walking base, the discharging pipe, the first micro electric push rod and the second baffle, firstly, bulk materials are loaded into the feeding ...

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04-08-2023 дата публикации

Method for purifying and treating waste gas generated by pulping wastewater by biological method

Номер: CN116531936A
Принадлежит:

The invention discloses a method for purifying and treating waste gas generated by pulping wastewater by a biological method, which comprises the following steps: collecting waste gas: sucking peculiar smell gas generated by pulping and papermaking wastewater through a centrifugal fan, and feeding the peculiar smell gas into a biological absorption tower along a gas conveying pipeline for deodorization treatment; and biological absorption: absorbing the waste gas into a biological absorption tower through a centrifugal fan. Microorganisms in the activated sludge are mainly composed of various bacteria and protozoa, fungi and metazoan mainly including rotifers also exist, the protozoa takes the bacteria as food, and the metazoan takes the bacteria and the protozoa as food. Organic matters, bacteria, protozoa and metazoan in the activated sludge form a relatively stable ecological system and food chain, and the sludge contains desulfurization bacteria, denitrification bacteria, thiamidine ...

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25-08-2023 дата публикации

Roller press capable of automatically adjusting original roller gap and original roller gap adjusting method thereof

Номер: CN116638810A
Принадлежит:

The invention relates to a roller press capable of automatically adjusting an original roller gap and an original roller gap adjusting method thereof. The roller press comprises an original roller gap adjusting device, a plurality of displacement sensors and a controller. The original roll gap adjusting device comprises a first step block, a second step block and a driving mechanism. The first step block is fixedly connected to the fixed roller bearing seat. The second step block is in sliding connection with the movable roller bearing seat in the vertical direction. The driving mechanism is fixedly connected to the movable roller bearing seat and used for driving the second step block to ascend and descend. The multiple displacement sensors are used for detecting the height and the roll gap of the second step block. The controller is used for inquiring and obtaining the ideal height of the second step block in a pre-stored conversion table according to a preset original roll gap and controlling ...

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23-06-2023 дата публикации

High-precision low-temperature gaseous heavy metal generating device and method

Номер: CN116298128A
Принадлежит:

The invention provides a high-precision low-temperature gaseous heavy metal generating device and method, and belongs to the field of pollutant control, the device comprises an atomization unit, a gasification unit and a dilution cooling unit, the atomization unit is connected with the gasification unit, and the gasification unit is connected with the dilution cooling unit; the diluting and cooling unit comprises a diluting assembly and a cooling assembly, and the diluting assembly is arranged between the gasifying unit and the cooling assembly; the cooling assembly is used for conducting heat exchange cooling on the gaseous heavy metal fed by the dilution assembly. The dilution cooling unit is additionally arranged behind the gasification unit, gaseous heavy metal can be subjected to dilution cooling and heat exchange cooling according to the target temperature, condensation of the heavy metal in the cooling process is effectively avoided, precise regulation and control of the temperature ...

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07-04-2023 дата публикации

Microbial agent for preventing and treating tobacco rhizome diseases and preparation method thereof

Номер: CN115918679A
Принадлежит:

The invention provides a microbial agent for preventing and treating tobacco rhizome diseases and a preparation method of the microbial agent. Active ingredients of the microbial agent are Zhongshengmycin and pseudomonas fluorescens. Zhongshengmycin and pseudomonas fluorescens are adopted for treatment, the plant height of flue-cured tobaccos after 30 days is remarkably higher than that of flue-cured tobaccos after other treatment, and the maximum leaf length is optimal; compared with other treatments, the root and stem disease morbidity and disease index of tobacco plants are reduced, and the relative control effect reaches 64.37%; the oil content, the organization structure, the identity and the development condition of the baked tobacco leaves can be improved; the reducing sugar content of the flue-cured tobacco can be obviously improved.

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04-04-2023 дата публикации

Automatic control system for abnormal vibration of roller press and roller press thereof

Номер: CN115888964A
Принадлежит:

The invention belongs to the field of mechanical equipment, and particularly relates to an automatic control system for abnormal vibration of a roller press and the roller press adopting the automatic control system. The system is used for regulating and controlling the rotating speed of a main shaft motor, the real-time feeding amount and the hydraulic pressure of equipment step by step when the roller press abnormally vibrates; and therefore, the over-limit vibration state of the roller press is recovered to be stable. The over-limit vibration control system comprises a vibration measuring mechanism, a roller speed adjusting mechanism, a feeding adjusting mechanism, a hydraulic pressure adjusting mechanism and a controller. The vibration measuring mechanism adopts an acceleration sensor to measure the vibration velocity of equipment. The controller is electrically connected with the vibration measuring mechanism, the roller speed adjusting mechanism, the feeding adjusting mechanism and ...

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08-08-2023 дата публикации

Microbial risk assessment method in marine product processing process

Номер: CN116562617A
Принадлежит:

The invention discloses a marine product processing microbiological risk assessment method, and particularly relates to the technical field of risk assessment, and the method comprises the steps: 1, processing marine product processing parameters, 2, building a dynamic module and a network model, 3, operating an sQMRA network structure model, 4, exporting a risk assessment number, and 5, carrying out risk grade division. According to the method, the problems that in the processing process of different marine products, due to the fact that the processing mode and the environment affect the growth of different microorganisms, the final data accuracy after detection is affected in the detection process, and the risk level of the microorganisms is difficult to further evaluate can be avoided; according to the method, risk assessment and risk division can be rapidly carried out on the microorganism content and the pathogenicity rate of different marine products in each processing step, consumers ...

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23-06-2023 дата публикации

Deamination device suitable for ammonia-process carbon capture and application of deamination device

Номер: CN116272329A
Принадлежит:

The invention provides a deamination device suitable for ammonia-process carbon capture and application thereof, and belongs to the field of pollutant control, the deamination device comprises a first bubbling unit, a deamination slurry tank and a second bubbling unit, the first bubbling unit and the second bubbling unit each comprise a plurality of absorption assemblies arranged in parallel, the first bubbling unit comprises a snakelike flue gas channel as well as a flow guide component and a liquid-holding bubbling pool which are arranged in the snakelike flue gas channel, and the first bubbling unit is arranged at the top end of the desulfurization device and is internally provided with a deamination absorbent; the deamination slurry tank is respectively connected with the first bubbling unit and the second bubbling unit, and a forced oxidation fan is arranged in the deamination slurry tank; the second bubbling unit is arranged at the top end of the organic amine decarbonization device ...

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13-06-2023 дата публикации

Wet flue gas desulfurization and dust removal device based on bubbling unit

Номер: CN116251428A
Принадлежит:

The invention provides a wet flue gas desulfurization and dust removal device based on a bubbling unit, and belongs to the field of pollutant control, the wet flue gas desulfurization and dust removal device comprises a tower body as well as a slurry tank, a spraying layer, the bubbling unit and a demister which are arranged in the tower body from bottom to top, a flue gas inlet is formed in the side surface of the tower body, and a flue gas outlet is formed in the top surface of the tower body; limestone slurry for desulfurization is arranged in the slurry tank; the spraying layer is used for spraying limestone slurry; the bubbling unit comprises a plurality of dust removal assemblies which are arranged in parallel, a flow guide pipe in each dust removal assembly is arranged above a liquid-holding bubbling pool and extends into the liquid-holding bubbling pool, and cooling water is arranged in the liquid-holding bubbling pool; and the demister is arranged below the flue gas outlet. The ...

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27-06-2023 дата публикации

Internet consumption loan anti-fraud risk identification method and system

Номер: CN116342255A
Принадлежит:

The invention discloses an internet consumption loan anti-fraud risk identification method and system. The method comprises the following steps: collecting operator specific data and financial data related to consumption loan business of a large number of users; extracting feature data through the specific data of the operator and the financial data, and generating a modeling sample; establishing a risk prediction model by using the modeling sample; acquiring loan related information of the to-be-identified user; inputting the loan related information into the risk prediction model, and calculating the score of the to-be-identified user; and determining whether the to-be-identified user has a consumption loan cheating behavior or not according to the score. By using the scheme of the invention, the internet consumption loan anti-fraud risk can be evaluated more accurately.

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30-05-2023 дата публикации

Full-automatic intelligent production line flow detection system for plastic hollow plate

Номер: CN116184926A
Принадлежит:

The invention belongs to the technical field of production line supervision, and particularly relates to a full-automatic intelligent production line flow detection system for plastic hollow plates, which comprises a server, and the server is in communication connection with a production line splitting monitoring module, a production line intelligent decision module and a production line performance analysis module; according to the invention, comprehensive analysis of each process of the plastic hollow plate production line is realized through the production line splitting monitoring module, and the production line intelligent decision-making module generates a high-intensity supervision signal, a medium-intensity supervision signal or a low-intensity supervision signal based on an offside decision value and a loop decision value of a corresponding target process. Corresponding supervisors can conveniently know the condition of each process in time, the workload of the supervisors is reduced ...

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25-04-2023 дата публикации

Graph sampling training method, system and equipment for optimizing data loading and storage medium

Номер: CN116011551A
Принадлежит:

The invention discloses a graph sampling training method, system and device for optimizing data loading and a storage medium, the method, system and device and the storage medium are in one-to-one correspondence, in the scheme, by compressing feature data before training, the data volume is reduced, the overhead of data loading is greatly reduced, and the training efficiency is improved. The method has the advantages that the method is simple and easy to implement, constant effects can be maintained on graph data sets of different scales, memory occupation in the training process is reduced, data transmission quantity can be reduced to relieve PCI-e bandwidth bottleneck, GPU resource utilization rate is increased, and training of large-scale graphs becomes possible; moreover, the format is recovered through decompression on the GPU, a data loading method is decoupled from the model, and acceleration and compatibility of various graph neural network models are provided under the condition ...

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06-06-2023 дата публикации

Graph data storage method, reading method and system

Номер: CN116226425A
Автор: LYU MIN, LU MINGXIANG, XU LONG
Принадлежит:

The invention relates to the technical field of data storage, and provides a graph data storage method, a graph data reading method and a graph data system.The graph data storage method comprises the steps that a primary key is established for each vertex and each edge of graph data, the primary keys can be ranked, and the primary keys of each vertex and the adjacent edge of the vertex are ranked continuously; the data values of the vertexes and the edges of the graph data are stored in a persistent memory, a storage address is obtained, and each storage address corresponds to one primary key; a specific data structure is used for forming an index to record the relation between the primary key and the corresponding storage address, the specific data structure is a data structure supporting range query, and the data structure is sorted through the primary key; and storing the specific data structure in a dynamic random access memory. The graph topology access performance and the property ...

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18-07-2023 дата публикации

Method for detecting biogenic amine level in oyster product preservation

Номер: CN116448917A
Принадлежит:

The invention provides a method for detecting the biogenic amine level in oyster product preservation, and belongs to the technical field of marine product detection.The method comprises the steps that firstly, preserved oysters are taken, viscera of the oysters are removed, and the oysters are washed clean and then cut up; then taking 1-3g of the chopped oysters, adding 8-12mL of a perchloric acid solution, uniformly mashing by using a homogenizer, then putting the mixture into a centrifugal machine for centrifuging, taking supernate, adding 8-12mL of the perchloric acid solution into a precipitation solution, uniformly stirring, repeating centrifuging once, taking the supernate, mixing the supernate twice, adding the perchloric acid solution, and fixing the volume to 20-30mL to obtain an extracting solution; measuring 1mL of the extracting solution, putting the extracting solution into a 15mL plastic centrifugal tube, sequentially adding 50-150mu L of a sodium hydroxide solution, 250- ...

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22-06-2016 дата публикации

That takes binding clip shirks formula earth connection action bars

Номер: CN0205335457U
Принадлежит:

... 带接线夹的脱卸式接地线操作杆,涉及一种接地线操作夹持工具。目前变电采用的接地线主要是脱卸式接地线,存在结构复杂的问题。本实用新型包括夹持头及操作杆,夹持头包括夹持座、夹紧头,操作杆设有用于调节操作杆弯曲方向及固定弯曲角度的操作杆弯曲固定装置,操作杆弯曲固定装置包括操作杆后基座,操作杆后基座设有基座套筒,基座套筒内套接有用于手动旋转顶紧夹持头的旋转手柄,旋转手柄为旋转体,旋转体通过基座套筒的通孔向后伸出,位于基座套筒内的旋转手柄外周面设有环绕凹槽,基座套筒设有径向的与环绕凹槽相对的销钉,销钉的头部插入环绕凹槽,销钉与环绕凹槽间隙配合。本技术方案结构简单,装配方便,降低成本,提高工作的可靠性。 ...

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09-05-2023 дата публикации

Numerical calculation method for simulating thermochemical conversion of solid fuel

Номер: CN116089772A
Принадлежит:

The invention provides a numerical calculation method for simulating thermochemical conversion of a solid fuel, belongs to the field of thermochemistry, and more specifically, the method comprises the following steps: constructing a geometric model containing the solid fuel and a gas environment; establishing a control equation for the constructed geometric model; defining a chemical reaction kinetic model of the solid fuel, and determining a source item of a control equation according to the chemical reaction kinetic model so as to obtain an actual control equation; on the basis of the Knudsen diffusion mechanism, the diffusion fluxes of different gases in the actual control equation are corrected, so that a corrected actual control equation is obtained; and calculating the thermochemical conversion process according to the constructed geometric model and the corrected actual control equation. According to the method, serious over-temperature collapse of a part of the calculation model ...

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30-06-2023 дата публикации

Method for harmlessly treating pyrite cinder

Номер: CN116356156A
Принадлежит:

The invention relates to the technical field of metallurgy, in particular to a harmless treatment method for pyrite cinder. The method comprises the following steps: (1) mixing and proportioning: proportioning the pyrite cinder, blast furnace gas ash, sintering electric field ash and coking fly ash to form a mixture; (2) feeding and roasting in a rotary kiln: feeding the mixture obtained in the step (1) to a feeding chamber of the rotary kiln for feeding, and then rolling, moving and roasting the mixture in the rotary kiln; (3) cooling and collecting, namely cooling flue gas generated by roasting, feeding the flue gas into a dust collecting system, and collecting secondary zinc oxide, lead oxide and the like; the roasted furnace burden is iron slag. According to the invention, through the technical processes of extracting zinc, lead and the like through pyrogenic process reduction of the rotary kiln, harmful impurities are reduced, harmful elements are effectively reduced, the purpose of ...

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13-06-2023 дата публикации

Vertical structure power electronic device for growing GaN on n-type SiC substrate and preparation method of vertical structure power electronic device

Номер: CN116259532A
Принадлежит:

The invention provides a vertical structure power electronic device for growing GaN on an n-type SiC substrate and a preparation method of the vertical structure power electronic device. The power electronic device with the vertical structure sequentially comprises an n-type SiC substrate, a Ga point layer, an N-type AlGaN cover layer, an N-type AlGaN transition layer, a GaN thick film layer and a P-type GaN thin layer from bottom to top. A Ga point layer/N-type AlGaN cover layer structure is adopted to perform epitaxial growth on an n-type SiC substrate, the Ga point layer/N-type AlGaN cover layer is adopted to solve the interface problem of the substrate and a growth layer, and then a GaN thick film is prepared on the n-type SiC substrate through an AlGaN transition layer. The Ga point layer/N-type AlGaN cover layer can effectively reduce dislocation density and relaxation stress, and finally a high-quality crack-free GaN epitaxial film with a large thickness is obtained. On the basis ...

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23-06-2023 дата публикации

Operation and maintenance management system and method for mechanical equipment

Номер: CN116307346A
Принадлежит:

The invention discloses an operation and maintenance management system and method for mechanical equipment, and particularly relates to the field of operation and maintenance management. Comprising an equipment area division module, an equipment data acquisition module, an equipment data preprocessing module, an equipment resource monitoring module, an equipment point inspection management module, an equipment data processing module, an equipment early warning monitoring module, an equipment scheduling distribution module and an equipment maintenance cost calculation module. And comparing and judging with a predefined equipment health parameter threshold value K threshold, screening out equipment of which the equipment health parameter is smaller than the threshold value and carrying out early warning information reminding, and meanwhile, carrying out timely processing and reducing economic loss through an inspection task process of the equipment point inspection management module.

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14-04-2023 дата публикации

Photoelectric bracelet and system facilitating outdoor activities of old people and management and control method

Номер: CN115956743A
Принадлежит:

The invention discloses a photoelectric bracelet and system facilitating outdoor activities of old people and a management and control method, and belongs to the field of smart cities, the bracelet comprises a rubber bracelet belt, a solar panel, an NFC sensor and an indicator light which are arranged on the outer side of the rubber bracelet belt, and a central processing unit and a body sensor which are arranged on the inner side of the rubber bracelet belt; the NFC sensor is arranged on the rubber bracelet belt, and the entrance guard lock information of an old people living area, the riding card information of old people and the health code information of old people are stored in the NFC sensor; the number of the indicating lamps is four, and the indicating lamps are blue, grey, yellow and red. The body sensor comprises a heart rate sensor, a temperature sensor, an oxyhemoglobin saturation sensor and a positioning module and is used for detecting the heart rate, the body temperature ...

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04-07-2023 дата публикации

Efficient synergistic resourceful treatment method for organic waste in iron and steel industry

Номер: CN116371877A
Принадлежит:

The invention relates to the technical field of iron and steel industry waste treatment, in particular to an iron and steel industry organic waste efficient synergistic resourceful treatment method which comprises the steps that organic waste generated in the iron and steel industry is subjected to thermal cracking to obtain cracking residues, non-condensable gas, cracking oil and cracking water for resource utilization; wherein the organic waste comprises waste resin plastic, a waste cloth bag, a waste oil barrel, waste oil, sludge and tar residue. When the thermal cracking agent is used for carrying out thermal cracking treatment on various steel industry organic wastes, all the material components have a synergistic effect, and efficient resource utilization is realized.

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14-04-2023 дата публикации

High-low medicine pillow for treating cervical spondylosis

Номер: CN115956789A
Автор: LYU ZHISHENG, LYU MIN
Принадлежит:

According to the technical scheme, the high-low medicine pillow is characterized by comprising a high-low medicine pillow body, the high-low medicine pillow body comprises a high-low pillow shell, a pillow medicine core and an air bag cushion, the pillow medicine core and the air bag cushion are arranged in the high-low pillow shell, and the high-low pillow shell is divided into three sections including the high section, the middle section, the low section, the near-shoulder side and the far-shoulder side; the air bag cushion is located below the pillow medicine core, the left-right height of the high-low medicine pillow is adjusted through the air bag cushion, the position, close to the shoulder, of the high-low medicine pillow is slightly higher, and the position, away from the shoulder, of the high-low medicine pillow is slightly lower; herbal medicine can be loaded in the pillow medicine core, the herbal medicine is formed by smashing traditional Chinese herbal medicines, and the medicine ...

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25-08-2023 дата публикации

Fish skin gelatin extraction method

Номер: CN116640519A
Принадлежит:

The invention discloses a fish skin gelatin extraction method which comprises the following steps: cleaning fresh fish skin, draining water, soaking the fish skin in a NaOH solution for 10-15 hours, and expanding the fish skin with glacial acetic acid for 3 hours; soaking the fish skin in a tannin solution for 3-5 hours; placing the fish skin in a microwave digestion instrument for treatment; adding the fish skin, saline water and citric acid into an enzymolysis tank, heating to 40-45 DEG C, adjusting the pH value of the solution to 2.0-3.0, adding pepsase, stirring for 1-1.5 hours, and homogenizing; adding the fish skin into distilled water, and homogenizing in a water bath at 50-55 DEG C for 5-6 hours And pouring the slurry into a container, decocting for 30-60 minutes, and placing at the temperature of 0-4 DEG C for 8-10 hours to obtain a gelatin product. The fish skin gelatin extracted by the extraction method disclosed by the invention is subjected to microwave digestion, enzymolysis ...

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20-07-2016 дата публикации

A data acquisition device that is used for multichannel vibration wire formula sensor

Номер: CN0205388480U
Принадлежит:

... 本实用新型公开了种用于多通道振弦式传感器的数据采集装置,其特征在于,包括设置于外部的主板和通道扩展板,所述主板与所述通道扩展板之间采用插针相连接,所述主板、所述通道扩展板均设置有16通道4线传感器接口;所述主板上设置有MCU、RS485驱动电路、激振电路、拾振电路、激振/拾振继电器切换矩阵电路,所述MCU分别与所述RS485驱动电路、所述激振电路、所述拾振电路、激振/拾振继电器切换矩阵电路相连接,所述激振电路、所述拾振电路分别与所述激振/拾振继电器切换矩阵电路相连接,所述激振/拾振继电器切换矩阵电路外接若干个振弦式传感器,所述RS485驱动电路外接通讯接口,所述MCU外接上位机。本实用新型保证了激振强度,有效抑制了干扰信号。 ...

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25-08-2023 дата публикации

Multiband projection system

Номер: CN116643376A
Принадлежит:

The invention discloses a multiband projection system, which comprises an optical lens group and a diaphragm, and is characterized in that the optical lens group comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens which are sequentially arranged from an object plane to an image plane along an optical axis. The first lens, the second lens, the fourth lens, the fifth lens, the eighth lens and the ninth lens all have positive focal power, and the third lens, the sixth lens and the seventh lens all have negative focal power. The working wavelength of the multiband projection system meets the following conditions: lambda is greater than or equal to 350 nm and less than or equal to 450 nm, NA is greater than or equal to 0.09 and less than or equal to 0.12, and Y is greater than or equal to 20 mm and less than or equal to 30 mm. According to the multiband projection system provided by the invention, the ...

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25-07-2023 дата публикации

Method for detecting biogenic amines in marine products

Номер: CN116482251A
Принадлежит:

The invention discloses a method for detecting biogenic amines in marine products, which comprises the following steps: drawing biogenic amine standard curves of various concentrations and biogenic amine extracting solutions for treating the marine products, carrying out derivative reaction, carrying out cooling low-temperature water bath nitrogen blowing on derivative products to remove organic solvents, and detecting by adopting a high performance liquid chromatograph, the marine product biogenic amine content is obtained. The method is easy and convenient to operate, low in detection limit, short in detection time, good in reproducibility and suitable for conventional detection of marine product biogenic amine.

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07-04-2023 дата публикации

Register-friendly efficient XOR erasure code coding method

Номер: CN115934409A
Принадлежит:

The invention relates to the technical field of erasure codes in a computer distributed storage system, and discloses a register-friendly efficient XOR erasure code encoding method, which comprises the steps of splitting a data block and a check block, calculating a check sub-block and combining the check sub-block. Compared with an existing coding method, the method has the advantages that the storage frequency of the data from the register to the memory or the cache is reduced to the minimum, that is, all the data only needs to be stored from the register to the memory once, and the data storage delay is reduced; and the number of times of reading the data from the memory or the cache to the register is reduced by nearly half, so that the data loading efficiency is improved. According to the invention, the coding speed is improved by reducing the reading and storage times of the data between the register and the memory or between the register and the cache in the coding process.

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