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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 10. Отображено 10.
05-01-2011 дата публикации

Process for preparing alkyl alcohol ether sulphonate or alkyl phenol ether sulphonate

Номер: CN0101302175B
Принадлежит:

The invention provides a process for making alkyl alcohol ether sulfonate or alkyl phenol ether sulfonate, comprising the steps of: reacting alkyl alcohol ether or alkyl phenol ether with equal molar ratio with strong alkali or alkali metal to generate sodium salt or potassium salt of the alkyl alcohol ether or the alkyl phenol ether; adding hydroxyalkyl sulfonate and an alkaline catalyst to the sodium salt or the potassium salt of the alkyl alcohol ether or the alkyl phenol ether at a room temperature; adding solvent at the same time; reacting for 0.5 to 5 hours between 100 and 220 DEG C by means of azeotropy refluxing or evacuation, removing water which is generated by reaction, and obtaining alkyl alcohol ether sulfonate or alkyl phenol ether sulfonate. The invention has the advantagesof convenient operation, simple process, easy control and low cost and so on.

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25-08-2010 дата публикации

Method for preparing sulfonates of components of different groups of petroleum distillate

Номер: CN0101811999A
Принадлежит:

The invention discloses a method for preparing sulfonates of the components of different groups of a petroleum fraction, which comprises: filling an activated adsorbent in a chromatographic column, dampening the column by using petroleum ether, adding a petroleum distillate into the chromatographic column by using a subtraction method; eluting a sample by using eluting solution A, B, C, D and E in turn according a sequence from low polarity to high polarity, wherein the eluting solution A is petroleum ether or cyclohexane, the eluting solution B is mixed solvent of petroleum ether and toluene, the toluene volume content of the mixed solvent is 5 to 10 percent, the eluting solution C is a mixed solvent of petroleum ether and toluene, the toluene volume content of the mixed solvent is 20 to 30 percent, the eluting solution D is mixed solvent of petroleum ether and ethyl acetate, and the eluting solution is absolute ethanol or absolute methanol; collecting different elutriants in turn, evaporating ...

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12-11-2008 дата публикации

Process for preparing alkyl alcohol ether sulphonate or alkyl phenol ether sulphonate

Номер: CN0101302175A
Принадлежит:

The invention provides a process for making alkyl alcohol ether sulfonate or alkyl phenol ether sulfonate, comprising the steps of: reacting alkyl alcohol ether or alkyl phenol ether with equal molar ratio with strong alkali or alkali metal to generate sodium salt or potassium salt of the alkyl alcohol ether or the alkyl phenol ether; adding hydroxyalkyl sulfonate and an alkaline catalyst to the sodium salt or the potassium salt of the alkyl alcohol ether or the alkyl phenol ether at a room temperature; adding solvent at the same time; reacting for 0.5 to 5 hours between 100 and 220 DEG C by means of azeotropy refluxing or evacuation, removing water which is generated by reaction, and obtaining alkyl alcohol ether sulfonate or alkyl phenol ether sulfonate. The invention has the advantages of convenient operation, simple process, easy control and low cost and so on.

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21-07-2023 дата публикации

Carbon-coated lithium ferrite lithium supplement agent as well as preparation method and application thereof

Номер: CN116470040A
Принадлежит:

The invention relates to the technical field of lithium ion batteries, and discloses a carbon-coated lithium ferrite lithium supplement agent and a preparation method and application thereof.The carbon of the carbon-coated lithium ferrite lithium supplement agent is generated through organic acid pyrolysis, and a carbon coating layer is formed on the surface of lithium ferrite; the general formula of the carbon-coated lithium ferrite lithium supplementing agent is LixFeO4 (at) C, x is more than or equal to 4.5 and less than or equal to 5.5, and the carbon content is 2-6wt% based on the total weight of the carbon-coated lithium ferrite lithium supplementing agent. The carbon-coated lithium ferrite lithium supplement agent has the advantages of easily available raw materials, simple synthesis method, small particles of the carbon-coated material, stable structure, low requirements on subsequent industrial production, stable and good lithium supplement effect, and effective improvement of ...

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18-04-2023 дата публикации

Placement device beneficial to analysis of vital signs of mice

Номер: CN115969565A
Принадлежит:

The invention relates to the technical field of pharmacological experiment equipment, and discloses a placement device beneficial to analysis of vital signs of a mouse. The first friction plate is fixedly arranged at the end part of one horizontal rotating shaft and rotates along with the glass cage body; the gas type rotating structure is arranged above the bottom fixed base plate; the friction surface of the gas type rotating structure is propped against the plate surface of the first friction plate; the driving motor is mounted above the bottom fixing base plate and can drive the gas type rotating structure to rotate. According to the arrangement device beneficial to analysis of the vital signs of the mice, the friction force between the driving motor and the glass cage body during rotation is controlled through gas pressure, and the rotation trend of the friction force on the glass cage body is consistent with the movement direction of the mice; therefore, rolling friction resistance ...

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09-06-2023 дата публикации

Traditional Chinese medicine composition for treating spleen deficiency and excessive dampness syndrome type spleen and stomach diseases and preparation method of traditional Chinese medicine composition

Номер: CN116236551A
Принадлежит:

The invention relates to a traditional Chinese medicine composition for treating spleen deficiency and excessive dampness syndrome type spleen and stomach diseases and a preparation method thereof, and relates to the technical field of traditional Chinese medicine, the traditional Chinese medicine composition comprises the following raw materials by weight: 30-45 parts of Radix Astragali, 30-45 parts of Radix Aucklandiae, 15-20 parts of Agastache rugosus, 10-15 parts of Rhizoma Atractylodis Macrocephalae, 12-18 parts of rhizoma anemones altaicae, 2-6 parts of ginseng, 6-12 parts of Fructus Amomi and 2-10 parts of raw licorice. The traditional Chinese medicine composition provided by the invention is reasonable in compatibility and synergistic, can treat both symptoms and root causes of spleen and stomach diseases with the syndrome of excessive dampness due to spleen deficiency, and has a good conditioning effect on the body. Meanwhile, the traditional Chinese medicine composition has the ...

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07-09-2005 дата публикации

Dipolytrisiloxane surfactant containing glucose amide and its preparation method

Номер: CN0001663672A
Принадлежит:

The invention discloses surface active agent of dextrose amido dimeric trisiloxane. It is to make ammonia-base trisiloxane under the alkali catalyzing function of HMDS and ammonia-base silane, and react with dextrose acid lactone in methanol solution to create trisiloxane containing dextrose amido, and then use tetranitro-glyceride to connect it the surface active agent containing dextrose amido dimeric trisiloxane. The surface active agent of the invention can effectively reduce the external strain of water, and the contacting angle of its hydrotropic solution is small on quartz surface. It can be used as pesticide adjuvant.

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25-08-2010 дата публикации

Process for preparing fatty acid ester sulfonate

Номер: CN0101811993A
Принадлежит:

The invention discloses a process for preparing fatty acid ester sulfonate, which comprises: introducing a mixed gas of SO3 and air into a SO3 gas jet-type sulfonation reactor, wherein the molar ratio of the fatty acid to the SO3 is kept at 1:1.0-2.0; reacting the fatty acid with the SO3/air mixed gas in the SO3 gas jet-type sulfonation reactor, the product of sulfonation reaction and unreacted SO3/air mixed gas are exhaust from product outlet of the SO3 gas jet-type sulfonation reactor, performing gas-liquid separation, cooling a liquid phase and continuing to react the liquid phase to obtain alpha-sulfo fatty acid; adding the alpha-sulfo fatty acid and an fatty alcohol which has an alkyl chain with 5 or more carbon atoms into an esterification kettle with a water distributor to perform esterification under a solvent or non-solvent condition to obtain an esterified product; and adding solution of alkaline alcohol and water in a neutralization kettle, adding the esterified product into ...

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04-04-2023 дата публикации

C-reactive protein monoclonal antibody as well as preparation method and application thereof

Номер: CN115894680A
Принадлежит:

The invention discloses a C-reactive protein monoclonal antibody as well as a preparation method and application thereof. The amino acid sequence of the heavy chain CDR3 of the antibody is as shown in SEQ ID NO. 3 or SEQ ID NO. 9; the amino acid sequence of the light chain CDR3 of the antibody is as shown in SEQ ID NO. 6 or SEQ ID NO. 12. The C-reactive protein monoclonal antibody has good specificity and high affinity, meets the whole-course CRP detection requirements, does not have cross reaction with other proteins, can be used as a capture antibody, can be effectively applied to an ELISA method, has good detection linearity, precision, stability and accuracy, and has important application value in clinical detection.

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06-06-2023 дата публикации

Traditional Chinese medicine composition for treating diabetic sudden deafness

Номер: CN116211990A
Принадлежит:

The invention discloses a traditional Chinese medicine composition for treating sudden deafness of diabetes mellitus, and mainly solves the problems that in the prior art, existing hyperbaric oxygen is only a method for treating symptoms, existing medicine treatment can only improve the symptom of sudden deafness, and the cure effect is poor. The traditional Chinese medicine composition for treating diabetic sudden deafness is prepared from the following components: safflower, cassia twig, rhizoma zingiberis, coptis chinensis, hedyotis diffusa, polygonum multiflorum, semen cassiae, dandelion, salvia miltiorrhiza, semen cuscutae, fructus broussonetiae, rhizoma acori graminei, rhizoma cyperi, lumbricus, caulis spatholobi, pseudo-ginseng, schisandra chinensis, rhizoma anemarrhenae and ziziphora clinopodioides. According to the scheme, the traditional Chinese medicine composition has the advantages that the sudden deafness is treated through mutual cooperation, other symptoms are prevented ...

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