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

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Применить Всего найдено 8. Отображено 8.
28-04-2023 дата публикации

Preparation method of low-cost low-ablation double-base composite material

Номер: CN116023162A
Принадлежит:

The invention relates to a preparation method of a low-cost low-ablation double-base composite material, aiming at solving the problems of high ablation rate and poor ablation integrity of the existing mould pressing composite material and the problems of long preparation period, high cost and the like of the composite material. The invention relates to a preparation method of a low-cost low-ablation double-base composite material, which comprises the following steps: S1, carrying out densification treatment on a carbon fiber preform by adopting a conventional process to obtain a low-density C/C composite material; and S2, treating the low-density C/C composite material by adopting a dipping-curing process to obtain the composite material. And the double-base matrix is composed of a carbon matrix and phenolic resin. Compared with a C/C composite material preparation method, the carbon/carbon-phenolic aldehyde double-base composite material prepared by the method has the characteristics ...

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25-06-2014 дата публикации

Traditional Chinese medicine preparation for treating periostitis and preparation method thereof

Номер: CN103877348A
Принадлежит:

The invention discloses a traditional Chinese medicine preparation for treating periostitis and a preparation method thereof. The traditional Chinese medicine preparation is prepared from the following raw materials in parts by weight: 3g of the root of caesalpinia sepiaria, 12g of safflower carthamus, 6g of sanguis draconis, 3g of schizonepeta, 6g of root of common peony, 6g of eucommia ulmoides, 3g of spina gleditsiae, 12g of lycopodiastrum casuarinoides, 12g of rhizoma anemarrhenae, 6g of erigeron breviscapus, 3g of oldenlandia diffusa, 6g of echinops przewalskii, 12g of licorice root, 6g of euonymus fortunei, 12g of lycopodium clavatum, 6g of musk, 3g of pilea basicordata, 6g of ovate leaf holly bark, 6g of concha meretricis sea cyclinae and 12g of galium aparine. The traditional Chinese medicine preparation prepared from the purely natural traditional Chinese medicine materials is reasonable in medicine selection, safe, definite in efficacy and low in medicine cost and cannot generate ...

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04-04-2023 дата публикации

Low-cost carbon/graphite throat liner material and preparation method thereof

Номер: CN115894062A
Принадлежит:

The invention provides a low-cost carbon/graphite throat liner material and a preparation method thereof, and aims to solve the problems of long preparation period and high cost of an existing C/C composite material throat liner. The invention discloses a preparation method of a low-cost carbon/graphite throat liner material. The preparation method comprises the following steps: S1, preparing a carbon fiber skeleton; s2, graphite powder and asphalt mixture filling-carbonization: graphite powder and asphalt are uniformly mixed, a carbon fiber skeleton is filled with the mixture, vibration treatment is performed to enable the mixture to be compacted, and then the mixture is put into a carbonization furnace to be subjected to carbonization treatment; s3, asphalt impregnation-carbonization: impregnating the blank obtained in the S2 with asphalt, and performing carbonization treatment; s4, graphitization treatment is conducted, specifically, the blank obtained in the S3 is subjected to graphitization ...

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25-06-2014 дата публикации

Formula of ointment for treating scapulohumeral periarthritis and preparation method thereof

Номер: CN103877450A
Принадлежит:

The invention discloses a formula of ointment for treating scapulohumeral periarthritis and a preparation method thereof. The ointment is prepared from the following raw materials in parts by weight: 20g of radix aconiti agrestis, 25g of sargentgloryvine stem, 15g of scandent schefflera root, 25g of rhizoma smilacis glabrae, 15g of radix aconiti preparata, 15g of radix clematidis, 50g of saffron crocus, 10g of the root of red-rooted salvia, 10g of radix angelicae pubescentis, 15g of lumbricus, 20g of pseudo-ginseng, 500g of yellow lead, 15g of ligusticum wallichii, 20g of Chinese ephedra and 1000g of sesame oil. The ointment is low in cost, strong in permeability, rapid to take effect, safe, reliable and obvious in efficacy. After the ointment is applied for 30 days, the scapulohumeral periarthritis is thoroughly cured without relapse.

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25-06-2014 дата публикации

Traditional Chinese medicine preparation for treating osteoporosis and preparation method thereof

Номер: CN103877451A
Принадлежит:

The invention discloses a traditional Chinese medicine preparation for treating osteoporosis and a preparation method thereof. The preparation is prepared from the following raw materials by weight: 5g of frankincense, 5g of myrrh, 5g of ginseng, 10g of schisandra chinensis, 10g of cinnamon, 15g of radix aconiti, 15g of angelica sinensis, 10g of jasminum lanceolarium, 10g of notopterygium roots, 5g of saposhnikovia flowers, 15g of herba epimedii, 10g of dogwood, 5g of acer monoes roots, 10g of plant ash, 5g of garden balsam herb roots, 5g of rhizoma smilacis glabrae, 10g of lindera glauca roots and 5g of mountain peach barks. The traditional Chinese medicine preparation for treating osteoporosis has the functions of promoting blood circulation to arrest pain and dredging tendons and strengthening bones, and is reasonable in match of medicinal materials, remarkable in effect, convenient to use, low in price and free from side effect and does not cause potential dangers after being taken ...

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02-07-2014 дата публикации

Traditional Chinese medicine medicament for treating rheumatic arthritis and preparation method thereof

Номер: CN103893442A
Принадлежит:

The invention discloses traditional Chinese medicine medicament for treating rheumatic arthritis and a preparation method thereof. The traditional Chinese medicine medicament is prepared from the following materials by weight: 5g of lindenleaf torricellia bark or leaf, 10g of firmiana root, 5g of common adenostema herb, 15g of glaucescent fissistigma root, 10g of calamus, 5g of marsdenia longipes, 10g of cimicifugae foetidae, 5g of hypoglaucum schizophragma, 10g of microsorium hymenodes, 5g of sinomenium acutum, 10g of ainsliaea pertyoides franch, 5g of astilbe chinensis, 15g of Chinese starjasmine stem, 5g of cankerroot, 10g of symplocos glauca and 5g of craterellus tubaeformis, wherein the hypoglaucum schizophragma is hypoglaucum schizophragma root. The traditional Chinese medicine medicament for treating rheumatic arthritis is convenient to use, free of side effect, low in price and remarkable in pesticide effect, and does not cause potential risk after being taken.

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06-06-2023 дата публикации

Method for reducing ablation rate and surface hole sealing of C/C throat liner

Номер: CN116219390A
Принадлежит:

The invention provides a method for reducing the ablation rate of a C/C throat liner and surface hole sealing. The problems that a C/C composite material prepared by an existing preparation method is high in surface density, low in core density and the like are solved. The invention discloses a method for reducing the ablation rate of a C/C throat liner and sealing holes in the surface. The method comprises the following steps: S1, cleaning the surface of the C/C throat liner of which an inner molded surface is machined; and S2, preparing a pyrolytic carbon coating from the C/C throat liner prepared in the step S1 by adopting an isothermal chemical vapor deposition process. In the step S2, the deposition temperature is 915 DEG C, the deposition pressure is 1.5 Kpa, and the deposition time is 50 hours. According to the method for reducing the ablation rate and surface hole sealing of the C/C throat liner, the ablation rate of the throat liner is reduced by more than 30% by preparing the ...

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25-06-2014 дата публикации

Formula of traditional Chinese medicine formula for treating bone fracture and preparation method thereof

Номер: CN103877341A
Принадлежит:

The invention discloses a formula of a traditional Chinese medicine for treating bone fracture and a preparation method thereof. The traditional Chinese medicine is prepared from the following raw materials in parts by weight: 9g of buddleja asiatica, 5g of iris confusa, 10g of diplopterygium laevissimum, 15g of glabrous sarcandra glabrous herb, 12g of three-leaf tea, 10g of chicken blood, 10g of allium prattii, 15g of fordia cauliflora, 10g of maesa perlarius, 12g of lodestone, 25g of munronia delavayi, 10g of araliaceae acanthopanax trifoliatus, 12g of trachelospermum jasminoides, 5g of rhizoma coptidis and 10g of pentapanax yunnanensis. The traditional Chinese medicine is convenient to use, low in cost and obvious in efficacy, and cannot generate side effects. After the traditional Chinese medicine is used for 15 days, a patient can move normally; and the potential danger is not generated when the traditional Chinese medicine is taken by the patient.

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