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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 18. Отображено 18.
06-06-2023 дата публикации

Method for improving microstructure of aluminum oxide, aluminum oxide prepared by method and application of aluminum oxide

Номер: CN116216754A
Принадлежит:

The embodiment of the invention provides a method for improving the microstructure of aluminum oxide, the prepared aluminum oxide and application. The method comprises the following steps: obtaining high-purity aluminum oxide; carrying out fine grinding treatment on the high-purity aluminum oxide so as to obtain a fine material with the particle size D50 of 0.2-1 [mu] m; roasting the fine material, and cooling to room temperature to obtain aluminum oxide with good microstructure; wherein the roasting temperature ranges from 1050 DEG C to 1350 DEG C, and the roasting time ranges from 1 h to 6 h. According to the preparation method, high-purity aluminum oxide is ground and roasted, and the microstructure of the prepared aluminum oxide powder is as follows: the aluminum oxide powder is in an original crystal similar sphere shape, and original crystal particles are high in sphericity degree, uniform in size and narrow in macroscopic particle size distribution; the raw crystal spheroidic alumina ...

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30-06-2023 дата публикации

Electric vehicle sand mode control method and control system and electric vehicle

Номер: CN116353600A
Автор: SHAO JUN, YUE WEI, WANG XINNIAN
Принадлежит:

The invention discloses an electric vehicle sand mode control method and system and an electric vehicle. The control method comprises the following steps: identifying a current driving road section through collected real-time road condition information; when the driving road section is a desert and the real-time vehicle speed is larger than a set speed threshold value, the automobile starts a sand mode and enters a four-wheel drive mode, the tire pressure of tires is reduced to a set pressure value, corresponding control strategies are selected according to different slopes, and corresponding control strategies can also be selected according to the temperature of a battery cell. According to the method, the sand land mode is started, and the corresponding control strategies are selected according to different gradients and the temperatures of the battery cells, so that the electric automobile can smoothly run in the desert environment, the performance of the automobile is guaranteed, the ...

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04-08-2023 дата публикации

Multifunctional physical training apparatus and assembly

Номер: CN116531716A
Автор: CHEN SHU, YUE WEI, GUO SIYU
Принадлежит:

The invention discloses a multifunctional physical training instrument and an assembly, and belongs to the technical field of physical training instruments. The multifunctional physical training apparatus and assembly comprises a support, a wheel disc, a pedal and a transmission shaft, and further comprises an electromagnetic damping mechanism, the electromagnetic damping mechanism comprises a machine box, a rotating disc and a fixed disc, the rotating disc is fixedly connected to the transmission shaft, a plurality of permanent magnets are arranged on the rotating disc in the circumferential direction, a circle of circumferential tooth blocks are arranged on the outer ring of the rotating disc, and a plurality of electromagnetic coils are arranged on the fixed disc in the circumferential direction; the partition plate divides the support into a left stretching training area and a right riding training area, and a case of the electromagnetic damping mechanism is arranged in the riding training ...

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18-04-2023 дата публикации

Quick change device

Номер: CN115971909A
Принадлежит:

The invention relates to a quick changing device which is used for simultaneously changing a plurality of workpieces on a machine tool workbench and comprises an auxiliary table and a plurality of quick changing bodies, the auxiliary table is arranged above the machine tool workbench in the first direction and used for bearing the workpieces, and the quick changing bodies are located between the machine tool workbench and the auxiliary table. Each quick-change body comprises a quick-change base arranged on the machine tool workbench and a quick-change auxiliary seat arranged on the side, facing the machine tool workbench, of the auxiliary table, the quick-change base comprises a first connecting part, and the quick-change auxiliary seat comprises a second connecting part detachably connected to the first connecting part; the first connecting part and the second connecting part are configured to be connected to form a quick connector when being connected with each other. According to the ...

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27-06-2023 дата публикации

Method and device for contrast agent injection

Номер: CN116328079A
Принадлежит:

The embodiment of the invention discloses a contrast agent injection method and device. The method comprises the following steps: determining an energy level related to scanning; determining one or more contrast agent injection parameters based on the energy level; a desired contrast agent injection regimen is determined based on the one or more contrast agent injection parameters. According to the embodiment of the invention, the applicable contrast agent injection parameters can be adaptively determined according to the current scanning scheme, so that the dosage of the contrast agent is reduced under the condition of ensuring the imaging effect.

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14-07-2023 дата публикации

Intelligent insert cutter, control method and control device thereof and storage medium

Номер: CN116423560A
Принадлежит:

The invention relates to an intelligent insert cutter, a control method and device thereof and a storage medium. The intelligent insert cutter comprises a cutter body and a blade detachably mounted on the cutter body. The control method of the intelligent insert cutter comprises the steps that vibration parameters of the cutter body are obtained; judging whether the intelligent insert cutter is in a preset working state or not according to the vibration parameters of the cutter main body; when the intelligent insert cutter is in the preset working state, the temperature parameter of the blade is obtained; and when the temperature parameter of the blade is greater than or equal to the preset temperature, sending a reminding signal for replacing the blade. In the application, the vibration parameter of the cutter main body can be sensed through the vibration sensor, so that whether the current working state of the intelligent insert cutter is normal or not is judged firstly, and the situation ...

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15-06-2016 дата публикации

Novel combination of degritting removing scum is sized mixing device

Номер: CN0205313535U
Принадлежит:

... 一种新型除砂除浮渣组合调浆装置,属于沼气工程设备技术领域。本实用新型设计合理、结构新颖、能够去除原料中大部分泥沙与浮渣。调浆池为三面斜坡式结构,调浆池池底处开设有凹槽,砂水分离器进料端设置在调浆池的凹槽内,砂水分离器出料端设置在出料收集斗一上方,进料池包括进料池一和进料池二,进料池一与进料池二通过高位过水口连通,进料池一与调浆池通过低位过水口连通,高位过水口相对于进料池一池底的高度高于低位过水口相对于进料池一池底的高度,出料收集斗二设置在进料池一顶部外侧,机械格栅底端设置在进料池一内低位过水口处,机械格栅顶端设置在出料收集斗二的上方。本实用新型能够去除原料中大部分泥沙与浮渣。 ...

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25-04-2023 дата публикации

Top coal position tracker placing device and placing method thereof

Номер: CN116006877A
Принадлежит:

The invention discloses a top coal position tracker placing device and a placing method thereof, and belongs to the technical field of top coal transportation. The top coal position tracker placing device comprises a guide sleeve and a jacking push rod in threaded connection with the guide sleeve; the guide sleeve comprises a stretching section for stretching into a drill hole and a retention section which is retained outside the drill hole and is used for holding, one end of the stretching section is provided with a placing opening for filling of a top coal position tracker, the diameter of the placing opening is smaller than that of a circumcircle of a naturally-opened anchor fluke, and one end of the retention section is provided with an extending opening; the jacking push rod comprises a jacking section and a rotating section used for driving the jacking section to rotate, and the rotating section stretches out of the stretching-out opening. The placing method comprises the steps that ...

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23-06-2023 дата публикации

Method for measuring shrub coverage based on unmanned aerial vehicle

Номер: CN116309670A
Принадлежит:

The invention provides a shrub coverage measuring method based on an unmanned aerial vehicle, and belongs to the field of vegetation remote sensing measurement. According to the measurement method, multispectral data of shrub grassland are obtained through remote sensing of an unmanned aerial vehicle, DOM, NDVI and DSM of a shrub distribution area are obtained through data preprocessing, then NDVI data are segmented based on an LSMS algorithm, an NDVI mean value and a relative height difference in each segmented object range are extracted, a first NDVI threshold value and a relative height difference threshold value are set, and the measurement precision of the shrub grassland is improved. Identifying a shrub coverage segmentation object, extracting NDVI values of pixels in the shrub coverage segmentation object based on DOM, and distinguishing vegetation coverage pixels from vegetation coverage-free pixels through setting of a second NDVI threshold value; and finally, calculating the proportion ...

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22-08-2023 дата публикации

Motion track planning method and device for hydraulic turntable of injection molding machine and storage medium

Номер: CN116619710A
Принадлежит:

The invention discloses a motion trail planning method and device for a hydraulic turntable of an injection molding machine and a storage medium, and relates to the technical field of injection molding machines, and the method comprises the following steps: obtaining a target angle, a target speed and corresponding acceleration and deceleration related information of the hydraulic turntable; obtaining a turntable speed change curve and a turntable motion angle of a variable acceleration stage and a variable deceleration stage according to the acceleration and deceleration change rate; according to the difference between the target angle and the variable acceleration stage turntable motion angle and the variable deceleration stage turntable motion angle, the turntable motion angle of the turntable at the constant speed motion stage is obtained; acquiring a turntable speed change curve of the turntable at the uniform motion stage according to the turntable motion angle and the target speed ...

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09-04-2021 дата публикации

Environment monitoring equipment for building construction

Номер: CN212932309U

The utility model discloses environment monitoring equipment for building construction, which comprises a base, a connecting mechanism, a driving mechanism, a monitoring mechanism and an adjusting mechanism, the connecting mechanism is arranged at the top of the base, the driving mechanism is arranged on the connecting mechanism, the monitoring mechanism is arranged on the driving mechanism, the adjusting mechanism is arranged at the bottom of the base, and the adjusting mechanism is arranged at the bottom of the base. And the connecting mechanism comprises a vertical plate. Through the mutual cooperation of the servo motor, the threaded rod, the threaded shell, the movable plate, the movable block and the fixed rod, the height of the monitoring equipment can be conveniently adjusted, so that the environments with different heights can be conveniently monitored, and through the mutual cooperation of the fixed groove, the electric push rod, the sliding plate and the universal wheels, the ...

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29-06-2016 дата публикации

Special high voltage potential transformer disconnect -type check -up platform

Номер: CN0205353336U
Принадлежит:

... 本实用新型公开了特高压电压互感器分离式校验平台,在实验室通过行吊把整个车载平台吊装上车,如果实验室行吊载重量小,也可分体式吊装,车载平台到达试验现场后,通过车载平台自身机构将主设备上级平台升起,达到试验状态,整个平台在试验现场无需下车,也无需专门的固定试验车,只需普通设备运输车,接线简单,提高了车辆的使用效率和现场的工作效率和安全性。本实用新型集成度高,便于移动运输,采用远程有线控制,安全高效,非常适合于1000kV特高压电压互感器的现场误差校验。 ...

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04-04-2023 дата публикации

Water meter verification equipment and verification method

Номер: CN115900895A
Принадлежит:

The invention relates to the technical field of water meter verification equipment, and provides water meter verification equipment and a verification method.The water meter verification equipment comprises a workbench and a water tank, the workbench is provided with a plurality of meter clamping and locking assemblies, the meter clamping and locking assemblies are linearly installed and laid, and gaps for water meters to be installed are reserved between the meter clamping and locking assemblies to be connected in series; the lower end of the water tank is communicated with a water conveying pipe, one end of the water conveying pipe is connected with one end of a meter clamping locking assembly, the meter clamping locking assembly far away from one end of the water conveying pipe is connected with a communicating pipe, the other end of the communicating pipe is connected with a metering container, the side of the communicating pipe is connected with an exhaust pipe, and the exhaust pipe ...

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11-08-2023 дата публикации

Construction method of damp-proof hollow ardealite block partition wall

Номер: CN116575609A
Принадлежит:

A construction method of a damp-proof hollow ardealite block partition wall comprises the following steps that firstly, the wall face, the top face and the ground of a structure are cleaned and leveled, surveying and setting out are conducted, the position of a constructional column is determined, and a guide wall is arranged; secondly, small standard brick reverse ridges (3) are arranged above the cast-in-place floor slab (1) and between the structural columns or walls (2); thirdly, gypsum blocks (4) are arranged above the small standard brick reverse ridges (3), two pulling pieces (6) are arranged in each horizontal mortar joint in the height direction of the masonry of the gypsum blocks (4) and the structural column or wall (2), and one sides of the pulling pieces (6) are nailed into the structural column or wall (2) through expansion bolts (7); fourthly, after the space between the gypsum blocks (4) and the main body structural beam or the horizontal straining beam (10) is sealed through ...

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15-06-2016 дата публикации

Novel dry zymotechnique of straw marsh gas device

Номер: CN0205313534U
Принадлежит:

... 一种新型秸秆沼气干发酵工艺装置,属于沼气工程设备技术领域。它提供一种进出料无堵塞、传热传质均匀、发酵工艺能够连续进行的新型秸秆沼气干发酵工艺装置。发酵罐底部的出料口为漏斗形,发酵罐底部的出料口设置在出料器的进料口上方,出料器的出料口穿出发酵罐侧壁设置在出料收集斗上方,搅拌器竖直设置,搅拌器的搅拌轴设置在发酵罐内,搅拌器的搅拌轴下部固定有搅拌叶,两个T字形桨叶相对于搅拌器的搅拌轴的轴线对称设置,两个T字形桨叶的横桨叶的倾斜角度均与发酵罐底部的倾斜角度相同,两个T字形桨叶竖直桨叶均与搅拌器的搅拌轴下端固定连接。本实用新型进出料无堵塞、传热传质均匀,实现秸秆沼气干发酵工艺的连续运行。 ...

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26-05-2023 дата публикации

Steel structure building curtain wall connecting method

Номер: CN116163449A
Принадлежит:

The invention discloses a connection method of a steel structure building curtain wall, which comprises the following steps of: firstly, confirming the position and the size of a steel platform and the position of a process hanging hole; then the steel table code and the steel structure I-shaped steel beam are connected in a full-length welding mode through welding seams; then auxiliary supports are arranged to reinforce the connection stability of the steel supports and the I-shaped steel beams, one ends of the auxiliary supports are connected with the steel supports through welding seams, and the other ends of the auxiliary supports are connected with the steel structure I-shaped steel beams through welding seams; and finally, the curtain wall framework hanging pieces are connected with the process hanging holes in the steel table weights in an embedded mode and are fastened through adjusting bolts. The connecting method solves the technical problems that the structural strength is not ...

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23-06-2023 дата публикации

Submicron original crystal size high-purity aluminum oxide as well as preparation method and application thereof

Номер: CN116282098A
Принадлежит:

The invention relates to submicron primary crystal size high-purity aluminum oxide and a preparation method and application thereof, and belongs to the technical field of inorganic non-metallic materials, and the preparation method comprises the following steps: obtaining a sodium aluminate solution; aluminum hydroxide seed crystals are obtained; adding the aluminum hydroxide seed crystal into the sodium aluminate solution for seed crystal decomposition to obtain aluminum hydroxide; carrying out first calcination on the aluminum hydroxide, and then carrying out first washing to obtain gamma-Al2O3; and carrying out secondary calcination on the gamma-Al2O3, and then carrying out secondary washing, so as to obtain the submicron original crystal size high-purity aluminum oxide, the final product alpha-Al2O3 obtained through the method is good in sphericity degree, particles are easy to disperse, the original crystal size is uniform, accurate regulation and control of the original crystal size ...

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27-06-2023 дата публикации

Roof ultrahigh decorative structure hanging basket mounting structure and mounting method thereof

Номер: CN116335382A
Принадлежит:

A hanging basket mounting structure for a roof ultrahigh decorative structure comprises a front support and a double-balance steel wire rope rear support (3). The front support comprises an L-shaped base (1) and a stand column (2). The L-shaped base (1) is made of a steel plate and is L-shaped, and the lengths of two sides of the L-shaped base are equal; the L-shaped base (1) comprises a horizontal plane (11) and a vertical plane (12) which are both provided with long holes (14); two wing plates (13) are welded and fixed on the vertical surface (12); open holes (15) are formed in each wing plate (13) at certain intervals. The stand columns (2) are square pipes, and opposite-penetrating holes (21) are formed in the square pipes at certain intervals. The stand column (2) is connected with a wing plate (13) of the L-shaped base through a high-strength bolt (7), and the height of the stand column (2) can be adjusted vertically. According to the roof ultrahigh decorative structure hanging basket ...

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