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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 22. Отображено 22.
28-04-2023 дата публикации

Three-dimensional ultrasonic array signal positioning detection method and device

Номер: CN116027271A
Принадлежит:

The invention discloses a three-dimensional ultrasonic array signal positioning detection method and device, and the method comprises the steps: employing two array element groups which are fixed in position, the distance between the two array element groups is 2d, each array element group is internally provided with three equally-arranged array elements, the bottom parts of the array elements share an original point, and the included angle between each array element group and the normal line of the array element group is beta; the relation f between the amplitude characteristic of each array element in each array element group and the incident angle of the array element is determined in advance; determining an amplitude difference dA12 between the first array element and the second array element, and determining an amplitude difference dA23 between the second array element and the third array element; determining an incident angle of each array element and reference points x, y and z on ...

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18-07-2023 дата публикации

On-line positioning device and method for multi-point grounding fault of transformer core

Номер: CN116449252A
Принадлежит:

The invention provides a transformer core multipoint grounding fault online positioning device and method, and belongs to the technical field of transformer core multipoint grounding fault diagnosis. The problem that the multi-point grounding fault of the transformer core cannot be positioned on line is solved; comprising a transformer iron core, a single-chip microcomputer, a detection unit, a compensation unit, a signal processing unit, a pulse output unit and an overcurrent protection unit, an iron core single-point grounding point is led out from the upper portion of the transformer iron core, and the iron core single-point grounding point is connected with the detection unit and the compensation unit in parallel through wires, then connected with the pulse output unit and the overcurrent protection unit in series and then grounded. The compensation unit compensates the original suspension potential of the multi-point grounding loop of the transformer core through a phase tracking algorithm ...

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28-04-2023 дата публикации

Digital nitrous oxide gas detection system

Номер: CN116026788A
Принадлежит:

The invention discloses a digital nitrous oxide gas detection system, and belongs to the technical field of gas detection.The digital nitrous oxide gas detection system comprises a signal generation module, an optical multi-pass pool module, a second laser and a signal receiving module.The signal generation module comprises a signal controller and an ICL laser. According to the utility model, devices such as a signal generator and a digital lock phase which are high in commercial cost are replaced, so that the device has the characteristics of simple and compact structure, the size and production cost of the device are greatly reduced, full digitalization can be realized from signal sending to receiving demodulation, the cost is reduced, absolute concentration information is obtained by processing a falling edge, and the detection accuracy is improved. The linear concentration fitting relation established by the rising edge can be well calibrated and checked, and the software signal generator ...

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11-08-2023 дата публикации

Composition reinforced bio-based PA56/PA66 composite material and preparation method thereof

Номер: CN116574373A
Принадлежит:

The invention provides a composition reinforced bio-based PA56/PA66 composite material and a preparation method thereof. The composite material comprises the following components in parts by mass: 15-70 parts of bio-based PA56 resin; 15 to 70 parts of PA66 resin; 10 to 30 parts of hollow glass beads; 5 to 15 parts of glass fiber; 1 to 10 parts of a compatilizer; and 0.1-5 parts of a processing aid. According to the glass fiber and hollow glass bead reinforced bio-based PA56/PA66 composite material, the strength and heat resistance of the material can be improved, the density and water absorption of the material are reduced, the service life of the material is prolonged, and the material is endowed with the advantage of light weight; meanwhile, the composition reinforced bio-based PA56/PA66 composite material can improve the mechanical strength of bio-based polyamide PA56, also improves the crystallization property, stabilizes the size, and is simple in processing technology and easy to ...

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03-07-2014 дата публикации

STATIC ELECTRICITY ENERGY STORAGE DEVICE AND PREPARATION METHOD THEREOF

Номер: WO2014101330A1
Автор: BAI, Jin
Принадлежит:

A static electricity energy storage device and a preparation method thereof. The device comprises at least one electrostatic energy storage unit. Each of electrostatic energy storage units is provided with a five-layer structure and comprises two metal thin film electrodes which form a capacitor, composite nano insulating thin film layers arranged on insides of the two metal thin film electrodes and a ceramic nano-crystalline thin film layer arranged between the composite nano insulating thin film layers.

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29-08-2023 дата публикации

Dry transfer method of graphene film with uniform conductivity

Номер: CN116654916A
Принадлежит:

The invention discloses a dry transfer method for a graphene film with uniform conductivity. The dry transfer method comprises the following steps: step 1, preparing a PMMA/graphene film; step 2, placing the PMMA/graphene film obtained in the step 1 on a target substrate to form a laminate, applying a pressure of 5-8 MPa to the laminate, maintaining the pressure for a period of time, and then drying; and step 3, removing PMMA in the laminated object so as to complete transfer of graphene to the target substrate and obtain the graphene film fixedly attached to the target substrate. According to the method, the pressure is applied to the PMMA/graphene film transferred to the target substrate and then the PMMA/graphene film is baked, so that bubbles and bubbles between graphene and the target substrate can be removed, the bubbles and the bubbles at the interface of the graphene film and the substrate can be completely avoided, and lossless transfer of the graphene film is realized.

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11-07-2023 дата публикации

Edge node optimization method and related equipment

Номер: CN116418685A
Принадлежит:

The invention provides an edge node optimization method and related equipment. The method comprises the following steps: acquiring network detection data of a plurality of edge nodes distributed in a to-be-detected area; the to-be-detected area comprises a plurality of sub-areas; based on the network detection data, respectively performing network topology analysis on the plurality of sub-regions included in the to-be-detected region to obtain a network topology structure of the to-be-detected region; and based on the network topology structure, determining at least one to-be-optimized target sub-region in the plurality of sub-regions included in the to-be-detected region, and optimizing the layout of edge nodes in the at least one target sub-region.

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29-06-2016 дата публикации

Wrist strap formula pulse heart rate measurement appearance

Номер: CN0205338936U
Автор: ZHAO XIAOYING, BAI JIN, LIU RUI
Принадлежит:

... 本实用新型公开了一种腕带式脉搏心率测量仪,包括有腕带式心率表,所述心率表的外表面设置有显示屏,所述心率表由脉搏测量硬件部分、主控部分和供电部分组成,所述脉搏测量硬件部分由LED发光二极管、光学传感器和低功率运算放大器构成,所述LED发光二极管和光学传感器安装在心率表的内表面贴于手腕的血管,所述低功率运算放大器安装在心率表的内部,所述主控部分由安装在心率表内部的单片机组成,所述供电部分采用法拉电容,由脉搏测量硬件部分采集数据运输并由主控部分进行数据处理,最终得出的数据显示在显示屏上。 ...

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26-05-2023 дата публикации

Odor transmission control system and method

Номер: CN116164232A
Принадлежит:

The invention discloses an odor transmission control system and method.The system comprises a transmission pipeline, a parameter detection component, an opening adjusting component and an exhaust power component are sequentially arranged on the transmission pipeline in the direction from upstream to downstream, and the parameter detection component comprises a gas flow rate sensor, a gas concentration sensor and a gas pressure sensor; the control unit is electrically connected with the parameter detection component, the opening degree adjusting component and the air exhaust power component, and the control unit is used for controlling the opening degree adjusting component and the air exhaust power component according to the detection result of the parameter detection component; the odor conveying system solves the problems that in the prior art, an odor conveying system lacks regulation and control over the concentration, the air pressure and the like of gas in the odor conveying process ...

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25-07-2023 дата публикации

Converter transformer fault diagnosis method and device based on grey correlation method

Номер: CN116482578A
Принадлежит:

The invention discloses a converter transformer fault diagnosis method and device based on a grey correlation method, and the method comprises the steps: obtaining historical chromatographic data, and collecting converter transformer oil; performing gas chromatographic analysis on the converter transformer oil to obtain current chromatographic data; and based on the historical chromatographic data and the current chromatographic data, adopting a grey correlation method to obtain grey correlation degrees, and sorting the grey correlation degrees to obtain the fault type of the converter transformer. The converter transformer fault diagnosis device comprises a CPU, a miniature bridge detector, a man-machine interface, a gas source system, a gas circuit control system and a lithium battery. According to the invention, the fault point can be found quickly, so that the converter transformer is protected to operate under the safe working margin, and the insulating property and the service life ...

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30-06-2023 дата публикации

Network analysis system and network analysis method

Номер: CN116366483A
Принадлежит:

The embodiment of the invention provides a network analysis system and a network analysis method. The network analysis system comprises a server and a network card, a network card configured to transmit a data stream; the server side is configured to obtain a data packet in the data stream from the network card; according to a hierarchical network protocol, obtaining contents corresponding to a plurality of network hierarchies of the data packet; analyzing the characteristics of the data flow on each network layer by using the contents corresponding to the plurality of network layers of the data packet; and generating a performance index of the data stream by using the characteristics of the data stream on each network hierarchy. The server obtains the content corresponding to the plurality of network layers of the data packet according to the layered network protocol, and further determines the characteristics of the data flow on each network layer by using the content corresponding to ...

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22-06-2016 дата публикации

Cast steel filled type coke oven tedge waste heat recovery device

Номер: CN0205328928U
Автор: BAI JIN
Принадлежит:

... 本实用新型涉及一种铸钢填充式焦炉上升管余热回收装置,上升管内筒和上升管上法兰、上升管下法兰组成焦炉上升管主体结构;螺旋胆管盘绕在上升管内筒外侧,上、下端分别设换热水进水管和换热水出水管;铸钢填充结构填充在上升管内筒和螺旋胆管之间,并将螺旋胆管包覆在其中形成一个整体的空心圆柱体结构;铸钢填充结构外侧设有保温层和上升管外罩,铸钢填充结构与上升管内筒之间设铸钉。本实用新型通过整体浇铸成型的热传导结构实现将上升管荒煤气热量以金属热传导的方式传递给螺旋胆管内的水,其传热效率高,安全性强;上升管内筒和铸钢填充结构之间通过铸钉固定,保证其紧密贴合。 ...

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04-04-2023 дата публикации

Audio switching method and device, electronic equipment and storage medium

Номер: CN115904302A
Принадлежит:

The embodiment of the invention relates to an audio switching method and device, electronic equipment and a storage medium, and relates to the technical field of audio processing, and the audio switching method comprises the following steps: when audio data of a current audio application is played, responding to an audio switching operation; switching the audio data of each sound channel of the target audio application from the initial position to the position of the virtual loudspeaker; and initializing the audio data of each sound channel of the current audio application to the position of the virtual loudspeaker, and updating the position information of each sound channel until the end position is reached, so as to switch the current audio application to the target audio application. According to the technical scheme provided by the embodiment of the invention, the immersion in the audio switching process can be improved.

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22-06-2016 дата публикации

Domestic simple and easy chopsticks stoving cage

Номер: CN0205332700U
Автор: BAI JIN
Принадлежит:

... 本实用新型提供一种家用简易筷子烘干笼,结构简单和造价低,适用于家庭厨房的筷子消毒笼。其方案是,包括筷子盛放笼体和烘干底座,所述筷子盛放笼体包括挂环、通风口、筷子盛放笼体的底部通风口和筷子盛放笼体的底部带有旋转外螺纹,烘干底座包括底座旋转内螺纹、底座进风口、出风口和烘干电路,筷子盛放笼体的底面经旋转外螺纹和旋转内螺纹与烘干底座活动连接。本实用新型体积小,造价低,操作简单,使用者只需将筷子笼旋转于烘干底座上,插上电源,开启烘干开关,可迅速烘干筷子,及时阻止细菌的繁衍。 ...

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23-06-2023 дата публикации

Novel converter transformer electromagnetic shielding structure and local overheating solving method

Номер: CN116313444A
Принадлежит:

The novel electromagnetic shielding structure comprises an oil tank, an iron core is arranged in the oil tank, a winding mechanism is arranged in the iron core, the winding mechanism comprises a voltage regulating winding arranged in the iron core, low-voltage windings are symmetrically arranged in the voltage regulating winding, and high-voltage windings are arranged on the two sides of the low-voltage windings respectively. The bottom of the voltage regulating winding is provided with a novel electromagnetic shield. According to the invention, leakage magnetic fields of different frequency bands can be effectively controlled, so that the leakage magnetic field generated by the iron core effectively enters novel electromagnetic shielding, the loss of an oil tank of the converter transformer is reduced, the operation efficiency of the converter transformer is improved, and a local overheating fault is prevented.

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23-06-2023 дата публикации

Device and method for detecting content of sulfate radicals in wet extraction phosphoric acid

Номер: CN116297672A
Принадлежит:

The invention provides a device and a method for detecting the content of sulfate radicals in wet extraction phosphoric acid. The device comprises a constant temperature unit, a detection unit, a conversion unit, a cleaning unit, a standard liquid unit, an air conditioning unit, a PLC (Programmable Logic Controller) control unit and a control cabinet, therefore, on-line automatic detection of sulfate radicals in industrial production is realized, manual operation errors are avoided, and accuracy and efficiency are improved.

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21-07-2023 дата публикации

Two-dimensional ultrasonic array signal positioning detection method and device

Номер: CN116466294A
Принадлежит:

The invention discloses a two-dimensional ultrasonic array signal positioning detection method and device, and the method comprises the steps: employing two array element groups with fixed positions, and enabling the distance between the two array element groups to be 2d; two array elements are arranged in each array element group, the normal lines of all the array elements in each array element group are in the same plane, and an included angle theta is formed between the normal line of each array element and the normal line of the array element group; the included angle of the first array element is theta, and the included angle of the second array element is-theta; determining an amplitude characteristic relation curve f of the array elements in each array element group in advance, and determining an amplitude difference dA, an included angle theta of the first array element and an included angle-theta of the second array element according to signal amplitudes detected by the two array ...

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21-07-2023 дата публикации

Gas density relay and anti-vibration device thereof

Номер: CN116469727A
Принадлежит:

The invention discloses a gas density relay and an anti-vibration device thereof. The anti-vibration device comprises a supporting frame, a counterweight assembly, a conduction assembly and an ejector rod. The conduction assembly sleeves the rotating shaft of the supporting frame, one end of the conduction assembly is elastically connected with the counterweight assembly, and the other end of the conduction assembly is fixedly connected with the ejector rod; the conduction assembly is connected with the supporting frame through the torsion spring, and the ejector rod fixedly connected with the conduction assembly is driven by the torsion spring to be in the initial position. When the electrical switch equipment is switched on or switched off or vibrates, the counterweight assembly moves downwards in the gravity direction, and the ejector rod is driven by the conduction assembly to move from the initial position to the anti-vibration position, so that misoperation of the output contact of ...

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11-07-2023 дата публикации

Semi-automatic transfer device for nuclear fuel rod bundles

Номер: CN116409699A
Принадлежит:

The invention belongs to the technical field of nuclear fuel element manufacturing, and particularly relates to a semi-automatic transfer device for nuclear fuel rod bundles. The guide rail I is responsible for transferring the rod bundle A from the rod bundle transfer trolley to the rod bundle packaging table, the running trolley is arranged on the guide rail I and is connected with the hanging hoist I through a hinge, so that the hanging hoist I can be manually dragged to move and can be controlled to move up and down through a control handle of the hanging hoist I, and the hanging hoist I is connected with the mechanical clamp; the guide rail II is responsible for transferring and placing the enveloped rod bundle A from the rod bundle packaging table into a packaging box, the running trolley is arranged on the guide rail II and is connected with the hoist II through a hinge, so that the hoist II can be dragged by manpower to move and can be controlled to move up and down through a control ...

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29-08-2023 дата публикации

Method for preparing silver nanowire transparent conductive film by using electrophoresis technology

Номер: CN116657221A
Принадлежит:

The invention discloses a method for preparing a silver nanowire transparent conductive film by using an electrophoresis technology. The method comprises the following steps: step 1, preparing a silver nanowire suspension; 2, treating the silver nanowire suspension obtained in the step 1 by adopting an electrophoresis method, so that the silver nanowires are uniformly deposited on an anode to form a silver nanowire film; and step 3, placing the anode obtained in the step 2 on a transparent substrate for hot rolling, and stripping the anode after hot rolling to obtain the silver nanowire transparent conductive film. According to the method, the surface resistance and the light transmittance of the silver nanowire transparent conductive film can be regulated and controlled through an electrophoresis method, the adhesive force of the silver nanowire film can be obviously enhanced through hot rolling, and the surface roughness of the silver nanowire film can be reduced.

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22-06-2016 дата публикации

Official working seat with regularly massage function

Номер: CN0205322713U
Автор: BAI JIN
Принадлежит:

... 本实用新型提供一种具有定时按摩功能的办公座椅,有效解决了办公久坐引起的亚健康和现有按摩座椅价格高的问题。其解决的技术方案是,包括带有按摩器的靠背、带有按摩控制电路的扶手、带有压力检测装置的支撑板和带万向轮的支撑腿,本实用新型所有元器件少,价格低,在久坐一段时间后,自动提醒中途休息,并进行按摩,对办公一族的健康起到了良好的调节作用。 ...

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01-08-2023 дата публикации

Gas density relay and self-testing method thereof

Номер: CN116525353A
Принадлежит:

The invention discloses a gas density relay and a self-inspection method thereof. The gas density relay comprises a mechanical assembly; the mechanical assembly comprises a mechanical shell, a base, a bourdon tube, an end base, a signal generator, a signal adjusting element, a temperature compensation element and a connecting rod. The base is fixedly connected with the inner wall of the mechanical shell, one end of the bourdon tube is fixedly connected with the base, the other end of the bourdon tube is connected with one end of the temperature compensation element through the end seat, the other end of the temperature compensation element is connected with the signal adjusting element, and the signal adjusting element drives the signal generator to act. The connecting end of the bourdon tube and the end seat generates elastic deformation along with the change of the gas density in the electrical switch equipment, and drives the signal adjusting element to move through the temperature compensation ...

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