Настройки

Укажите год
-

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 8. Отображено 8.
23-06-2023 дата публикации

Temporary guardrail for constructional engineering and using method thereof

Номер: CN116291012A
Автор: CUI JUAN, DING JIAN
Принадлежит:

The invention discloses a temporary guardrail for constructional engineering and a using method thereof.The temporary guardrail comprises a handrail seat, a fixing hole is formed in the left end of the handrail seat, an intercepting rope capable of being stretched is arranged at the right end of the handrail seat, the intercepting rope is fixedly connected with a clamping ring, and the clamping ring can be clamped into the fixing hole to complete erection between two handrails; by arranging the intercepting rope, the clamping ring and the fixing hole matched with the clamping ring, the handrails can be arranged at the positions with different widths, the flexibility is better, and more convenience is achieved; the two kinds of handrail seats are arranged, the handrail seat provided with the power mechanism is used for the bottommost part and can provide power for the handrail seat provided with the lifting mechanism on the upper side, then the distance between any two handrail seats from ...

Подробнее
27-08-2021 дата публикации

Single combustion chamber

Номер: CN214067050U

The utility model relates to a single combustion chamber, which belongs to the field of combustion test detection equipment, and comprises a fixed combustion chamber, one end of the fixed combustion chamber is provided with an opening, the bottom surface of the fixed combustion chamber and the ground are provided with slide rails, the slide rails are slidably connected with a cart, the cart comprises a bottom plate, and the bottom plate is fixedly connected with a vertical plate. The longitudinal sectional area of the vertical plate is equal to the longitudinal sectional area of the opening, the cross sectional area of the bottom plate is equal to the cross sectional area of the inner side wall of the fixed combustion chamber, a smoke exhaust device is arranged at the upper end of the fixed combustion chamber, and a cleaning device used for cleaning solid waste and smoke dust is arranged on the bottom plate. When the combustion device is used, a single body needing to be combusted is placed ...

Подробнее
30-04-2020 дата публикации

PROCESS FOR EXTRACTING SAPONIN FROM PLANT

Номер: WO2020082527A1
Принадлежит:

Disclosed is a process for extracting saponin from a plant. The preparation step thereof comprises: 1) adding an acid or a petroleum ether solvent and an acid to saponin for hydrolysis while extracting saponin, wherein directly carrying out solid-liquid separation after completing step 1), and subjecting the resulting acid and the petroleum ether solvent in which saponin is dissolved to liquid separation; the acid obtained by liquid separation is returned to step 1) for reuse; and the petroleum ether solvent in which saponin is dissolved and which is obtained by liquid separation is neutralized, then concentrated and crystallized to obtain saponin, and the petroleum ether solvent, which has been concentrated and subjected to separation, is returned, after condensation and recovery, to step 1) for the extraction of saponin. The preparation method omits an alcohol extraction step of a traditional process, integrates the sequence of several steps, realizes the production of saponin without ...

Подробнее
13-06-2023 дата публикации

Intelligent checking method and system for current situation of drainage pipe network and storage medium

Номер: CN116255577A
Автор: CUI JUAN, ZHANG JIE, YU XINGKAI
Принадлежит:

The invention discloses a drainage pipe network current situation intelligent troubleshooting method and system and a storage medium. The method comprises the steps of obtaining drainage pipe network basic information of a target area; and according to the basic information of the drainage pipe network of the target area, setting at least one troubleshooting point on the drainage pipe network of the target area. According to the embodiment of the invention, at least one troubleshooting point location is installed in the target area, analysis is carried out according to the data fed back by the troubleshooting point location, and the abnormal area position in the target area is judged, so that better troubleshooting is facilitated, and the accuracy of the troubleshooting result is ensured. And meanwhile, according to the inspection point location and the layout information of the drainage pipeline, the area needing to be inspected is subjected to area division inspection, so that the reliability ...

Подробнее
27-06-2023 дата публикации

Floor heating coil laying and fixing structure

Номер: CN116336533A
Принадлежит:

The invention discloses a floor heating coil laying and fixing structure, and relates to the technical field of floor heating laying, the floor heating coil laying and fixing structure comprises a base layer, a reflecting film, an iron gauze, a fixing mechanism, a heating coil, a concrete layer and a floor, the reflecting film, the iron gauze, the heating coil, the concrete layer and the floor are sequentially arranged on the base layer in a covering mode, and the fixing mechanism is arranged on the iron gauze. The fixing device is used for fixing an iron wire net above a base layer and limiting displacement. The fixing mechanism comprises a plurality of positioning rings, interval adjusting assemblies and binding belts, the positioning rings are arranged at the ends, corresponding to the periphery of the wire mesh, of the iron wires, the interval adjusting assemblies are arranged between every two positioning rings, and the binding belts are used for fixing the heating coil pipe to the ...

Подробнее
04-04-2023 дата публикации

Electromagnetic piezoelectric composite frequency-broadening vibration energy collector and system

Номер: CN115912991A
Принадлежит:

The invention discloses an electromagnetic piezoelectric composite frequency-broadening vibration energy collector and system. The vibration energy collector comprises a fixed frame, a magnetic suspension structure, two piezoelectric patches, two coil groups and a stainless steel outer cylinder, the two piezoelectric patches are fixed at the top and the bottom of the fixing frame, and the two coil groups are respectively arranged on two coil mounting walls of the fixing frame; the two coil mounting walls are oppositely arranged; the central magnet of the magnetic suspension structure is arranged on the two fixed walls of the fixed frame in a sliding manner; the two fixed walls are oppositely arranged; during vibration, the central magnet slides along the two fixed walls, so that the two coil groups cut magnetic induction lines of the central magnet, and electromagnetic induction electric energy is generated; the two piezoelectric patches generate first piezoelectric effect electric energy ...

Подробнее
07-07-2023 дата публикации

Water guide type water stop belt

Номер: CN116398184A
Автор: CUI JUAN, CUI KAIHUI
Принадлежит:

The invention discloses a water guide type water stop belt, and relates to the technical field of water prevention. The water stop belt comprises a tunnel ground, the surface of the tunnel ground is fixedly connected with a water stop belt body, the top face of the water stop belt body is fixedly connected with a water swelling rubber strip, the surface of the water stop belt body is fixedly connected with a reinforcing bolt, the reinforcing bolt is fixedly connected with the tunnel ground, and the surface of the water stop belt body is fixedly connected with a water guide part. The top face of the water stop belt body is fixedly connected with a connecting strip, the surface of the connecting strip is fixedly connected with a filter screen, the effect of effectively stopping and guiding water at the joint of the tunnel working face is achieved in the using process, when the tunnel joint is dislocated, the water stopping and guiding effects can still be achieved, and the service life of ...

Подробнее
30-05-2023 дата публикации

Dry quenching burn-out rate optimization method based on prediction and variable constraint optimization

Номер: CN116184956A
Принадлежит:

The invention relates to a dry quenching burn-out rate optimization method based on prediction and variable constraint optimization, and the method comprises the following steps: S1, screening variables affecting the dry quenching burn-out rate according to technological requirements, and collecting corresponding historical distributed control system (DCS) data; s2, performing data distribution visualization, abnormal value processing, filtering, correlation analysis and training sample construction processing on the data; s3, establishing an XGBoost prediction model, searching a parameter grid, and performing cross validation training on a training sample to obtain a trained burn-out rate prediction model; and S4, transmitting real-time DCS data of each raw material to the model to realize soft measurement of the burn-out rate. S5, one path of DCS data uploaded in real time is transmitted to the model, real-time prediction of the burn-out rate is achieved, and the other path of DCS data ...

Подробнее