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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 10. Отображено 10.
08-10-2008 дата публикации

Horizontal control system of earth leveler and control method thereof

Номер: CN0101280570A
Принадлежит:

The invention discloses a horizontal control system for a grader, which comprises a leveling shovel, a hydraulic system controlling the horizontal position of the leveling shovel, and a horizontal control system controlling the working of the hydraulic system. The leveling shovel is provided with a sensor system used for detecting signals of the horizontal inclination and the inclination change rate of the leveling shovel, and transmitting the signals to the horizontal control system to be processed; the sensor system comprises an acceleration sensor applied to detect the signals of the horizontal inclination and an angular velocity sensor applied to detect the signals of the change rate of the inclination. Moreover, the invention also discloses a horizontal control method for a grader. The horizontal control system and the horizontal control method of the invention can accurately calculate the horizontal inclination of a grader.

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02-09-2009 дата публикации

Water level sensor for farmland water based on wireless sensor network

Номер: CN0101520427A
Принадлежит:

The invention discloses a water level sensor for farmland water based on a wireless sensor network. The sensor comprises a pair of probes and a sensor circuit for receiving probe detection signals andusing the signals to measure the farmland water content and the water layer level; and the sensor circuit is connected with a group of ports of a processor module, and the other group of ports of theprocessor module are connected with a communication module which can realize the single-hop or multi-hop wireless communication between nodes, self-organized wireless sensor networks are formed between the nodes, and the self-organized wireless sensor networks are communicated with a remote computer terminal by a wireless network protocol. The sensor can remotely operate and control farmland information, and has the advantages of low cost and low energy consumption.

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30-05-2012 дата публикации

Paddy field laser flatting machine

Номер: CN0101223841B
Принадлежит:

The invention discloses a laser land scraper of paddy fields and comprises a power device, a land scraping blade that is connected with the power device, a height adjusting hydraulic system that is used for controlling the height position of the land scraping blade, and a height control system that is used for controlling the working of the height adjusting hydraulic system. The height control system determines the height of the land scraping blade according to the contraposition of a laser signal and adjusts the height of the land scraping blade by controlling the height adjusting hydraulic system; furthermore, the invention also comprises a horizontal adjusting hydraulic system that is used for controlling the horizontal position of the land scraping blade and a horizontal control system that is used for controlling the working of the horizontal adjusting hydraulic system; the horizontal control system induces the horizontal position of the land scraping blade through a sensing signal ...

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08-10-2008 дата публикации

Soil moisture sensor

Номер: CN0101281152A
Принадлежит:

The invention discloses a soil moisture content sensor, which includes a shell (3), a probe (1) of soil moisture content rate arranged in the bottom of the shell (3), a detection circuit (4) arranged inside the shell (3), the detection circuit (4) sends a square wave pulse stimulus signal to the probe (1) of the soil moisture content rate, and receives peak signals of charging voltage in two ends; the detection circuit (4) includes a processor (5), a capacitance (C1) and a detection circuit, the processor (5) is respectively connected to the trigger end of the probe (1) of the soil moisture content rate through the capacitance (C1) and the detection circuit, and is connected to a communication interface and an external communication device through the interface of the processor (5), the ground terminal of the probe (1) of the soil moisture content rate is put to earth. The invention has advantages of accurate measurement, a simple structure, low cost.

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18-05-2011 дата публикации

Synchronous ditching ridging fertilizing seeder for paddy field

Номер: CN0101622923B
Принадлежит:

The invention discloses a synchronous ditching ridging fertilizing seeder for paddy field, comprising a power machine, a fertilizing power driving system installed on the power machine, a fertilizer ejecting system, a hanging device, a sowing system, a sowing power driving system and a ditching device. The hanging device is installed at the back part of the power machine and is connected with thesowing system to control the sowing system and the ditching device installed below a sliding plate in the sowing device to be lifted up or to be lifted down; the power machine is respectively drives the sowing system and the fertilizer ejecting system by the sowing power driving system and the fertilizing power driving system. The ditching device is synchronously ditched with water storing ditches, sowing ditches and fertilizing ditches, wherein ridges are formed between each two water storing ditches, and the sowing ditches and the fertilizing ditches are positioned on the ridges. The invention ...

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23-07-2008 дата публикации

Paddy field laser flatting machine

Номер: CN0101223841A
Принадлежит:

The invention discloses a laser land scraper of paddy fields and comprises a power device, a land scraping blade that is connected with the power device, a height adjusting hydraulic system that is used for controlling the height position of the land scraping blade, and a height control system that is used for controlling the working of the height adjusting hydraulic system. The height control system determines the height of the land scraping blade according to the contraposition of a laser signal and adjusts the height of the land scraping blade by controlling the height adjusting hydraulic system; furthermore, the invention also comprises a horizontal adjusting hydraulic system that is used for controlling the horizontal position of the land scraping blade and a horizontal control system that is used for controlling the working of the horizontal adjusting hydraulic system; the horizontal control system induces the horizontal position of the land scraping blade through a sensing signal ...

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10-11-2010 дата публикации

Horizontal control system of earth leveler and control method thereof

Номер: CN0101280570B
Принадлежит:

The invention discloses a horizontal control system for a grader, which comprises a leveling shovel, a hydraulic system controlling the horizontal position of the leveling shovel, and a horizontal control system controlling the working of the hydraulic system. The leveling shovel is provided with a sensor system used for detecting signals of the horizontal inclination and the inclination change rate of the leveling shovel, and transmitting the signals to the horizontal control system to be processed; the sensor system comprises an acceleration sensor applied to detect the signals of the horizontal inclination and an angular velocity sensor applied to detect the signals of the change rate of the inclination. Moreover, the invention also discloses a horizontal control method for a grader. The horizontal control system and the horizontal control method of the invention can accurately calculate the horizontal inclination of a grader.

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25-03-2009 дата публикации

Ditching ridge-forming sowing method suitable for rice precision direct hole sowing

Номер: CN0101390485A
Принадлежит:

The invention belongs to the agricultural sowing methods, particularly relating to a ditching and ridging sowing method which adapts to rice precision hole direct sowing and comprises the following steps: a, furrows are arranged on the leveled wet sludge surface alternately; b, a ridge stage higher than the furrow is formed between two furrows; and c, a sowing ditch is arranged on the ridge stage, and the seeds are dibbled in the sowing ditch based on a certain distance. The invention enables the rice roots to grow in a relatively dry environment and is conducive to root development and growth, which also reduces water in rice growth.

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30-05-2012 дата публикации

Soil moisture sensor

Номер: CN0101281152B
Принадлежит:

The invention discloses a soil moisture content sensor, which includes a shell (3), a probe (1) of soil moisture content rate arranged in the bottom of the shell (3), a detection circuit (4) arranged inside the shell (3), the detection circuit (4) sends a square wave pulse stimulus signal to the probe (1) of the soil moisture content rate, and receives peak signals of charging voltage in two ends; the detection circuit (4) includes a processor (5), a capacitance (C1) and a detection circuit, the processor (5) is respectively connected to the trigger end of the probe (1) of the soil moisture content rate through the capacitance (C1) and the detection circuit, and is connected to a communication interface and an external communication device through the interface of the processor (5), the ground terminal of the probe (1) of the soil moisture content rate is put to earth. The invention has advantages of accurate measurement, a simple structure, low cost.

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13-01-2010 дата публикации

Synchronous ditching ridging fertilizing seeder for paddy field

Номер: CN0101622923A
Принадлежит:

The invention discloses a synchronous ditching ridging fertilizing seeder for paddy field, comprising a power machine, a fertilizing power driving system installed on the power machine, a fertilizer ejecting system, a hanging device, a sowing system, a sowing power driving system and a ditching device. The hanging device is installed at the back part of the power machine and is connected with the sowing system to control the sowing system and the ditching device installed below a sliding plate in the sowing device to be lifted up or to be lifted down; the power machine is respectively drives the sowing system and the fertilizer ejecting system by the sowing power driving system and the fertilizing power driving system. The ditching device is synchronously ditched with water storing ditches, sowing ditches and fertilizing ditches, wherein ridges are formed between each two water storing ditches, and the sowing ditches and the fertilizing ditches are positioned on the ridges. The invention ...

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