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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 8. Отображено 8.
30-04-2014 дата публикации

Mechanical machining method of automobile rear axle driving gear

Номер: CN103753158A
Принадлежит:

The invention discloses a mechanical machining method of an automobile rear axle driving gear. The method comprises milling the small end surface of a forged blank; punching a central hole at both ends of the forged blank; machining the rod portion of the forged blank through a special floating clamp; machining the hear portion and the large end surface of the forged blank by clamping the rod portion through a three-jaw chuck. The mechanical machining method of the automobile rear axle driving gear has the advantages of being short in process; overcoming the defects of the forged blank and meanwhile improving the precision and the quality rate of product through the special floating clamp; being low in equipment investment and high in machine efficiency; omitting machining positioning reference and achieving direct clamping of the rod portion of the forged blank.

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23-04-2014 дата публикации

Milling device used in machining of automobile rear axle driving gear

Номер: CN103737083A
Принадлежит:

The invention discloses a milling device used in machining of an automobile rear axle driving gear. The milling device comprises a machine tool, wherein a machine tool main shaft is arranged on the machine tool, one end of the machine tool main shaft is provided with a main shaft motor, a first milling part and a second milling part are arranged on the main shaft motor; and a first rotating disk, a second rotating disk and a compacting part are connected to the machine tool main shaft sequentially. The milling device has the beneficial effects that the machining process is realized automatically, the consistency of quality of products can be guaranteed; the equipment production efficiency is high, the machining time of single equipment is only 8 seconds, the charging and discharging time is saved; furthermore, the equipment is provided with double milling knife handles, two products can be machined out within 10 seconds, namely the yield is 720 per hour.

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04-08-2023 дата публикации

Waste material treatment process

Номер: CN116535249A
Принадлежит:

The invention relates to the technical field of organic bio-fertilizers, in particular to a waste material treatment process. According to the application, bacillus subtilis and micromonospora aculeata are prepared into a first microorganism bacterium solution, protease, glucanase, pectinase and cellulase are prepared into a compound enzyme preparation, and enterobacter agglomerans, saccharomycetes, bacillus megaterium, lactobacillus acidophilus and acinetobacter are prepared into a second microorganism bacterium solution; mixing solid waste, livestock manure and lime powder to prepare an organic fertilizer raw material, diluting a first microbial bacterial liquid and a compound enzyme preparation, mixing with the organic fertilizer raw material, and performing a round of fermentation; diluting a second microbial bacterial liquid, uniformly mixing the diluted second microbial bacterial liquid into the organic fertilizer raw material subjected to primary fermentation, and carrying out secondary ...

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11-04-2023 дата публикации

Data-driven power system safety assessment method and system

Номер: CN115952902A
Принадлежит:

The invention discloses a data-driven power system safety assessment method and system. The method comprises the steps of obtaining spatio-temporal data of a power system and a meteorological system; inputting the spatio-temporal data into a spatio-temporal data driving model obtained by pre-training to obtain predicted power system safety margins of different power transmission interfaces; and determining the safety weak point of the power system based on the predicted safety margin of the power system. Wherein the spatio-temporal data driving model comprises a depth automatic encoder and a task layer, the depth automatic encoder is formed by stacking a plurality of automatic encoders layer by layer, an input layer and other hidden layers except the last hidden layer are divided into a plurality of mutually independent sub-blocks, and the output of the last hidden layer is connected with the task layer. The method can predict and detect the safety weak points of the power system in the ...

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18-07-2023 дата публикации

Dibenzylidene acetone modified hydrophobic butyl rubber damping composite material and preparation method thereof

Номер: CN116444906A
Принадлежит:

The invention belongs to the field of polymer-based damping materials, and discloses a dibenzylidene acetone modified hydrophobic butyl rubber damping composite material and a preparation method thereof. The preparation method comprises the following steps: reacting butyl rubber, sodium hydride and dibenzylidene acetone in torque rheology for a period of time, then mixing a rubber material on a double-roller mixing mill, sequentially adding stearic acid, zinc oxide, tetramethylthiuram disulfide, dibenzothiazyl disulfide, powdered sulfur, lignin modified phenolic resin and filler montmorillonite until rollers are wrapped and uniformly mixed, and finally, carrying out extrusion molding, so as to obtain a finished product. Taking out and placing for 24-36 hours to remove bubbles to obtain raw rubber; and vulcanizing the raw rubber on a plate vulcanizing machine to obtain the hydrophobic butyl rubber damping composite material. The lignin modified phenolic resin is added and combined with the ...

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18-04-2023 дата публикации

CRISPR/Cas12a (clustered regularly interspaced short palindromic repeats/CRISPR/Cas12a) system based nosema bombycis visual detection method and kit

Номер: CN115976027A
Принадлежит:

The invention discloses a silkworm microsporidia visual detection method based on a CRISPR (clustered regularly interspaced short palindromic repeats)/Cas12a system and a kit of the silkworm microsporidia visual detection method. The kit comprises an RPA (recombinase polymerase amplification) primer, crRNA (crRNA), AsCas12a protein and ssDNA (single-stranded deoxyribonucleic acid) reporter molecules, wherein the RPA primer can be used for identifying rRNA (ribosomal Ribonucleic Acid) genes of small subunits of silkworm microsporidia; meanwhile, according to the invention, in a CRISPR/Cas12a fluorescence detection system, the detection capability of AsCas12a on a target sequence can be remarkably improved through the compound addition of L-proline and glycerol. According to the method, the detection sensitivity can reach 2 copies/mu L, the lower detection limit of a nosema bombycis genome standard substance is 2 fg/mu L, the lower detection limit of a simulated virus-carrying silkworm egg ...

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23-04-2014 дата публикации

Special machining fixture for driving gear of rear axle of automobile

Номер: CN103737406A
Принадлежит:

The invention discloses a special machining fixture for a driving gear of a rear axle of an automobile. The special machining fixture for the driving gear of the rear axle of the automobile comprises a fixture body, wherein a centering top is formed at the middle of the fixture body; a claw box is connected with each of the upside, downside, front and back of the centering top through movable components; a claw is mounted in the claw box; the movable component comprises a floating sliding seat which is provided with a floating slide block; the floating slide block is movably connected with an L back; the L back is connected with the claw box; a fixing shaft is mounted at the middle of the L back; the end of the L back connected with the claw box is provided with a spring; the L back is connected with the fixture shell through the spring. The special machining fixture for the driving gear of the rear axle of the automobile overcomes the disadvantages of the prior art that die misplacement ...

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14-04-2023 дата публикации

Information-driven fusion feature X-ray modulation and demodulation system and method

Номер: CN115967449A
Принадлежит:

The invention discloses a high-speed X-ray communication signal modulation device and method for information-driven characteristic X-rays, and the method comprises the steps: finally modulating information needing to be transmitted into multiple paths of level signals through an information driving device, controlling a plurality of lasers to drive a photoelectric X-ray tube to generate fused characteristic X-rays, carrying out the focusing at a receiving end after collimation and long-distance transmission, and transmitting the fused characteristic X-rays to a signal receiving end; detection and time are synchronized, then an intelligent demodulator is used for demodulating the fused feature X-rays, and finally initial information is decoded and restored. According to the invention, the plurality of lasers simultaneously drive the plurality of photoelectric cathodes to output the fused feature X-rays, and the feature X-rays with various energies in the fused feature X-rays are distinguished ...

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