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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 7. Отображено 7.
25-04-2023 дата публикации

Column type inspection pit structure for core grouting after full assembly and construction method

Номер: CN116006005A
Принадлежит:

The column type inspection pit structure comprises a foundation structure and a plurality of inspection pit assemblies, the multiple inspection pit assemblies are sequentially connected and fixed to the foundation structure, and each inspection pit assembly comprises a prefabricated bottom plate, a prefabricated hollow column and a plurality of prefabricated retaining walls; a plurality of column bottom connecting grooves are formed in the prefabricated bottom plate, one ends of the prefabricated hollow columns are inserted into the column bottom connecting grooves in a one-to-one correspondence mode and connected with the prefabricated bottom plate through concrete pouring, and the prefabricated retaining walls are all fixedly installed on the side walls of the prefabricated hollow columns. The prefabricated column type inspection pit has the beneficial effects that construction is conducted in a formwork-free mode that prefabrication is conducted firstly and then pouring is conducted, ...

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27-03-2018 дата публикации

Novel underground high -speed railway station suspend steel construction ducting system in midair

Номер: CN0207146784U

The utility model discloses a novel underground high -speed railway station suspend steel construction ducting system in midair, include double channel, pull rod, sleeve and air pipe, double channel assembles a gallows, and a gallows passes through the connecting piece to be fixed on the reinforced concrete structure board, and pull rod one end is fixed on the reinforced concrete structure board,and the other end of pull rod is connected with double channel, the sleeve pass between pull rod and the air pipe through firm sleeve pipe tip mantle fiber, fire prevention sealedly fill up, screw thread steel pressure pad is connected, welds sealedly through sealed gluey and argon arc all around, air pipe installs on a gallows bottom double channel. The beneficial effects are that: owing to adoptassembling the structure and can effectively reducing the building layer height of steel to reduce the foundation ditch degree of depth, reduce the windage, reach saving investment, reduce the purpose of ...

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05-11-2014 дата публикации

X-shaped node plate for box-shaped cross section curve surface reticulated shell

Номер: CN104131621A
Принадлежит:

The invention discloses an X-shaped node plate for a box-shaped cross section curve surface reticulated shell. The X-shaped node plate comprises box-shaped cross section rod elements, a hexagonal node plate and two quadrangular node plates, wherein the hexagonal node plate and the quadrangular node plates are respectively welded into a whole for forming the X-shaped node plate; cutting angles matched with space angles of the X-shaped node plate are formed at the end part of each rod element; and the cutting angles and the X-shaped node plates are welded into a whole. The X-shaped node plate has the beneficial effects that the center line direction in a crossing part of the X-shaped node plates is identical to the normal line direction in a position of a curve surface formed by the adjacent rod elements; the node plates are respectively arranged in the angular bisector directions of four box-shaped cross section beams; an X-shaped steel plate is obtained through welding; the welding seam ...

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19-05-2023 дата публикации

Rock wool composite board and preparation method thereof

Номер: CN116136114A
Автор: GAO XIUJIAN
Принадлежит:

The invention relates to the field of thermal insulation materials, and particularly discloses a rock wool composite board and a preparation method thereof.The rock wool composite board comprises a rock wool core material and cement mortar arranged on the two sides of the rock wool core material, and the space between the cement mortar and the rock wool core material is filled with alkali-resistant glass fiber gridding cloth and polyurethane polystyrene foam; organosilicon waterproof glue is sprayed on four sides of the rock wool core material; the organosilicon waterproof glue is prepared from the following raw materials: glycidyl tertiary carboxylic ester, sodium methyl silicate, simethicone, an initiator, a defoaming agent, a filler, water, an acrylic emulsion, polyurethane, a cross-linking agent, hydroxyl-terminated fluorine-containing polysiloxane, hydroxyethyl acrylate and sodium dodecyl benzene sulfonate. The preparation method comprises the following steps: spraying the organosilicon ...

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01-07-2015 дата публикации

Connecting method for newly added steel beam and existing steel reinforced concrete beam

Номер: CN104746893A
Принадлежит:

The invention discloses a connecting method for a newly added steel beam and an existing steel reinforced concrete beam. The method includes the steps that three externally attached steel plates and a vertical connecting plate are welded into an open type steel framework in a constant strength mode, and the shape of the steel framework is matched with that of the existing steel reinforced concrete beam; the vertical connecting beam and the newly added steel beam are connected into a whole; stiffening splicing steel is welded to the steel framework in a constant strength mode; the lower ends of through-plate anchor bolts are connected with the lower end of the steel framework through double nuts, the upper ends of the through-plate anchor bolts are in plug welding connection with perforated plug welding steel plates, and the existing steel reinforced concrete beam is tightened up. The connecting method has the advantages that the through-plate anchor bolts keep away from the steel reinforced ...

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11-07-2023 дата публикации

Reinforced thermal insulation rock wool board and preparation process thereof

Номер: CN116409027A
Автор: GAO XIUJIAN
Принадлежит:

The invention relates to the field of rock wool boards, and particularly discloses a reinforced thermal insulation rock wool board and a preparation method thereof. The reinforced thermal insulation rock wool board comprises the following components in parts by weight: 80-100 parts of basalt, 20-25 parts of dolomite, 40-60 parts of blast furnace slag and an adhesive, and further comprises glass fiber pre-impregnated cement cloth, the preparation method comprises the following steps: uniformly mixing basalt, dolomite and blast furnace slag, putting the mixture into a high-temperature electric furnace to form molten liquid, drawing the molten liquid into filaments by using centrifugal force to form rock wool fibers, cooling the rock wool fibers to prepare rock wool strips, putting the rock wool board subjected to compression molding into a drying chamber, and drying at high temperature to obtain the rock wool board. A polyurethane foaming agent is used for sealing the periphery of the rock ...

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14-07-2023 дата публикации

Rock wool board production line

Номер: CN116423573A
Автор: GAO XIUJIAN
Принадлежит:

The invention relates to a rock wool board production line, and relates to the technical field of rock wool board production, the rock wool board production line comprises a rack, a conveying device, a cutting device and a dust removal device, the conveying device, the cutting device and the dust removal device are located on the rack, the conveying device is used for conveying rock wool boards formed through extrusion, and the cutting device is used for cutting the rock wool boards; the dust removal device comprises a dust removal cover, an air blowing mechanism and a deslagging mechanism, the dust removal cover covers the cutting device, the air blowing mechanism is arranged at the top of the dust removal cover, the bottom deslagging mechanism is arranged in the dust removal cover, the air blowing mechanism is used for blowing residues to the deslagging mechanism, and the deslagging mechanism is used for collecting waste residues in a centralized mode. According to the rock wool board ...

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