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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 6. Отображено 6.
02-06-2023 дата публикации

Spiro-ring-containing polymer as well as preparation method and application thereof

Номер: CN116199864A
Принадлежит:

The invention discloses a spiro-containing polymer as well as a preparation method and application thereof. The structure of the polymer is shown as a formula (I). Wherein x is 0.05-0.5, and n is a natural number greater than or equal to 5; r1 and R2 are respectively and independently selected from C1-C8 alkyl, phenyl, phenyl substituted by C1-C6 alkyl, naphthyl or naphthyl substituted by C1-C6 alkyl; r < 3 >, R < 4 >, R < 5 >, R < 6 >, R < 8 >, R < 9 >, R < 10 > and R < 11 > respectively represent substituent groups at any position on a benzene ring; r3 is selected from hydrogen or C1-C6 alkyl; r < 4 > and R < 5 > are respectively and independently selected from hydrogen, C1-C6 alkyl, diphenylamino or dibenzopyrrolyl; r6 is selected from hydrogen or C1-C3 alkyl groups; r7 is selected from alkyl groups with 1 to 15 carbon atoms; r8 and R9 are respectively and independently selected from hydrogen or C1-C6 alkyl; r10 is selected from hydrogen or C1-C5 alkyl; and R11 is selected from hydrogen ...

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26-02-2014 дата публикации

Scorpion raising device capable of simulating natural environment

Номер: CN103598152A
Автор: XIE ZHENGBO, XIE YANCHAO
Принадлежит:

The invention discloses a scorpion raising device capable of simulating natural environment. The device comprises vertical plates defining a scorpion nest, wherein ventilating holes are formed in the vertical plates, the scorpion nest is filled with filler, the filler is provided with a plurality of scorpion holes, and each scorpion hole is communicated with a ventilating hole. A moisture absorption drainage top cover is installed above the scorpion nest. The scorpion holes are communicated with the ventilating holes, so that humidity in the scorpion holes can be better dissipated, and humidity in the filler of the scorpion nest can be further dissipated through the ventilating holes in the vertical plate so as to realize the propose of ventilating and discharging humidity, so that the humidity of the whole scorpion nest meets the ecdysis and growth demands of scorpions and scorpions can stay in the ventilating holes or crawl in and out of the filler such as soil in the ventilating holes ...

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26-05-2023 дата публикации

Knowledge graph for network security risk assessment and construction method

Номер: CN116167441A
Принадлежит:

The invention relates to the field of knowledge maps, in particular to a knowledge map for network security risk assessment, which comprises a first object, a second object and a knowledge map association relationship which are displayed on a visual interface, and the knowledge map association relationship displays an association direction between the first object and the second object. The knowledge graph association relationship comprises a forward association relationship and a reverse association relationship, the forward association relationship and the reverse association relationship are displayed in opposite directions, and the forward association relationship and the reverse association relationship can be switched. The method has the effect of switching the direction of the association relationship according to the search requirement of the user.

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12-01-2011 дата публикации

Novel aseismatic energy-saving external wall body and construction method thereof

Номер: CN0101942872A
Принадлежит:

The invention discloses a novel aseismatic energy-saving external wall body and a construction method thereof. The invention is characterised in that the novel aseismatic energy-saving external wall body comprises a poured wall body, and an insulation board is arranged in the wall body; the insulation board divides the wall body into an internal wall body and an external wall body; the two sides of the insulation board are provided with enhanced nets; the two sides of the insulation board are in a spaced concave-convex structure; the convex part is an inverse trapezoid structure which is tapered from outside to inside; and during construction, the insulation board is hung, is fixed in the template and is poured. Compared with the prior art, the invention has the advantages of good aseismatic and heat-insulation effects, convenient construction and the like.

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04-05-2018 дата публикации

Seeder for agricultural

Номер: CN0207305371U

The utility model provides a seeder for agricultural relates to the agricultural machine field. This seeder for agricultural, including the fixed plate, the four corners of fixed plate bottom all is provided with the gyro wheel, the top of fixed plate is provided with broadcasts seed case, the four corners of broadcasting seed case bottom all with the top fixed connection of depression bar, the bottom of depression bar is run through the N shaped plate and is extended to the inside of N shaped plate and the top fixed connection of backup pad, the four corners of backup pad bottom all is equipped with the spring, the inside of broadcasting seed case is provided with solids leakage bucket, solids leakage bucket's bottom is run through in proper order and is broadcast seed case and leak the workbin and extend to the lou inside of workbin. This seeder for agricultural drives the bent axle when the motor and rotates, makes the bent axle move to the connecting seat through the movable rod tothe ...

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25-07-2023 дата публикации

Chain type self-noise measuring circuit and method based on noise self-excitation

Номер: CN116482451A
Принадлежит:

The invention relates to the technical field of noise measurement, and particularly discloses a chained self-noise measurement circuit based on noise self-excitation, which comprises a plurality of pre-amplifiers, a power supply and measurement equipment, the plurality of pre-amplifiers are connected in sequence, the plurality of pre-amplifiers are respectively connected with the power supply, and the measurement equipment is connected with the power supply. And the preamplifier at the rearmost end is connected with measuring equipment. The invention further discloses a chained self-noise measurement method based on noise self-excitation. Compared with a traditional measurement mode, a high-power amplifier is not introduced, the structure is simple, operation is easy and convenient, and the noise influence caused by a complex circuit is avoided; a chain-type measurement structure is adopted, and a proper amplification stage number is selected according to the noise magnitude, so that the ...

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