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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 15. Отображено 15.
02-05-2019 дата публикации

CATALYTIC CRACKING METHOD FOR HIGH YIELD OF ISOBUTANE AND/OR LIGHT AROMATIC HYDROCARBONS

Номер: WO2019080791A1
Принадлежит:

A catalytic cracking method for a high yield of isobutane and/or light aromatic hydrocarbons, comprising the following steps: a) providing catalytic cracking feedstock oil, the amount of cycloalkanes being bicyclic or higher in the catalytic cracking feedstock oil being greater than 25% by weight; b) making the catalytic cracking feedstock oil sequentially undergo a first catalytic cracking reaction and a second catalytic cracking reaction in different reaction conditions to obtain a catalytic cracking reaction product; c) separating the catalytic cracking reaction product to obtain a liquefied gas fraction containing isobutane and a gasoline fraction containing light aromatic hydrocarbons; and d) recovering the isobutane from the liquefied gas fraction and/or the light aromatic hydrocarbons from the gasoline fraction.

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05-05-2023 дата публикации

Method for pre-hydrogenating coal tar raw material

Номер: CN116064149A
Принадлежит:

The invention relates to a coal tar raw material pre-hydrogenation method, which comprises: S1, mixing a coal tar raw material with a diluent, and carrying out solid-liquid separation to obtain a solid-phase material and a liquid-phase material; and S2, in the presence of hydrogen, contacting the liquid-phase material with a protection catalyst and an asphaltene hydro-conversion catalyst to carry out hydrogenation reaction, and carrying out gas-liquid separation on the obtained hydrogenation reaction product. The method disclosed by the invention can be used for effectively removing impurities such as metal, ash and asphaltene in the coal tar raw material.

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10-09-2020 дата публикации

METHOD AND SYSTEM FOR PRODUCING LIGHT OLEFIN FROM POOR OIL

Номер: WO2020177652A1
Принадлежит:

A method and system for producing a light olefin from a poor oil. The method comprises the following steps: performing thermal conversion reaction on a poor oil in the presence of hydrogen to obtain a conversion product; separating the obtained conversion product to obtain a first separation product; separating the first separation product to obtain a modified oil and residues; performing hydrogenation modification on the obtained modified oil to obtain a hydrogenation modified oil; separating the hydrogenation modified oil to obtain a hydrogenation modified heavy oil; and performing catalytic pyrolysis on the hydrogenation modified heavy oil to obtain a catalytic pyrolysis product containing a light olefin. The method and system not only can achieve efficient and green conversion of a poor oil, but also can achieve high-value utilization of the poor oil, i.e., producing a light olefin.

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28-04-2023 дата публикации

Hydrocracking method for producing diesel oil and tail oil from heavy distillate oil with low hydrogen consumption

Номер: CN116023991A
Принадлежит:

The invention relates to a hydrocracking method for producing diesel oil and tail oil from heavy distillate oil with low hydrogen consumption, which comprises the following steps of: under the hydrogenation condition, contacting the heavy distillate oil and hydrogen with a hydrogenation catalyst in a fixed bed hydrogenation reactor; the dry point of the heavy distillate oil is not lower than 650 DEG C, and the metal content of the heavy distillate oil is lower than 20 ppm; the hydrogenation catalyst comprises a carrier and an active metal component loaded on the carrier; on the basis of the total mass of the hydrogenation catalyst, the content of the carrier is 50-88 wt%; the carrier contains a non-amorphous mesoporous acidic material and a Y-type molecular sieve; the content of the Y-type molecular sieve in the carrier is 5-45 wt%; and the active metal component is a VIII group metal element and a VIB group metal element. The catalyst is suitable for low-hydrogen-consumption production ...

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05-05-2023 дата публикации

Coal tar raw material pretreatment method

Номер: CN116064160A
Принадлежит:

The invention relates to a coal tar raw material pretreatment method, which comprises: S1, mixing a coal tar raw material with a solvent, and carrying out centrifugal separation to obtain a first solid phase material and a first liquid phase material; s2, the first liquid-phase material is filtered, a second liquid-phase material and a third liquid-phase material are obtained, and the solid content of the second liquid-phase material is higher than that of the third liquid-phase material; s3, mixing the second liquid-phase material with the solvent, and returning to the step S1 for centrifugal separation; s4, in the presence of hydrogen, enabling the third liquid-phase material to be in contact with a pretreatment agent to perform pretreatment reaction, and performing gas-liquid separation on an obtained pretreatment reaction product; wherein the solvent is an organic compound solvent or solvent oil. The method disclosed by the invention can effectively reduce the contents of metals and ...

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28-04-2023 дата публикации

Hydrocracking method for producing low aromatic wax oil from heavy distillate oil

Номер: CN116023994A
Принадлежит:

The invention relates to a hydrocracking method for producing low-aromatic wax oil from heavy distillate oil, which comprises the following steps: contacting the heavy distillate oil and hydrogen with a hydrogenation catalyst under hydrogenation conditions, the dry point of the heavy distillate oil is not lower than 650 DEG C, the metal content is lower than 20ppm, and the high aromatic hydrocarbon content is greater than 60wt%; the hydrogenation catalyst comprises a carrier and an active metal component loaded on the carrier; on the basis of the total mass of the hydrogenation catalyst, the content of the carrier is 50-88 wt%; the carrier contains a non-amorphous mesoporous acidic material and a Y-type molecular sieve; the content of the Y-type molecular sieve in the carrier is 1-50% by mass; and the active metal component is a VIII group metal element and a VIB group metal element. The hydrogenation catalyst is applied to production of low-aromatic wax oil from heavy distillate oil, the ...

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05-05-2023 дата публикации

Coal tar raw material pretreatment method

Номер: CN116064162A
Принадлежит:

The invention relates to a coal tar raw material pretreatment method, which comprises: S1, mixing a coal tar raw material with an organic compound solvent, and carrying out centrifugal separation to obtain a first solid phase material and a first liquid phase material; s2, in the presence of hydrogen, enabling the second liquid-phase material to be in contact with a pretreatment catalyst for a pretreatment reaction, and performing gas-liquid separation on an obtained pretreatment reaction product to obtain gas and a second liquid-phase material; s3, the second liquid-phase material is filtered, a third liquid-phase material and pretreated coal tar are obtained, and the solid content of the third liquid-phase material is higher than that of the pretreated coal tar; and S4, mixing the third liquid-phase material with the solvent oil, and returning to the step S1 for centrifugal separation. The method is simple, convenient to operate, low in investment cost, high in efficiency and capable ...

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02-05-2023 дата публикации

Concave obstacle identification method and device, processor and electronic equipment

Номер: CN116051822A
Принадлежит:

The invention discloses a concave obstacle recognition method and device, a processor and electronic equipment, and relates to the technical field of target recognition and detection, and the method comprises the steps: segmenting an original gray image, and obtaining a shadow region image and a highlight region image; clustering pixel points in the shadow area image and the highlight area image according to the distance between the pixel points to obtain a plurality of different types of shadow areas, a first center point coordinate of each type of shadow area, a plurality of different types of highlight areas and a second center point coordinate of each type of highlight area; matching each type of shadow area with each type of highlight area; and determining a target sub-image containing a single concave obstacle from the original grayscale image, carrying out edge extraction on the target sub-image to obtain target edge information, and determining the information of the concave obstacle ...

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05-05-2023 дата публикации

Method for low-pressure pretreatment of coal tar raw material

Номер: CN116064157A
Принадлежит:

The invention relates to a coal tar raw material pretreatment method, which comprises: S1, mixing a coal tar raw material with an organic compound solvent, and carrying out centrifugal separation to obtain a first solid phase material and a second liquid phase material; s2, the second liquid-phase material is filtered, the second liquid-phase material and a third liquid-phase material are obtained, and the solid content of the second liquid-phase material is higher than that of the third liquid-phase material; s3, mixing the second liquid-phase material with solvent oil, and returning to the step S1 for centrifugal separation; and S4, in the presence of hydrogen, enabling the third liquid-phase material to be in contact with a pretreatment agent for a pretreatment reaction, and performing gas-liquid separation on an obtained pretreatment reaction product. The method disclosed by the invention is simple, convenient to operate and low in investment cost, and the contents of metals and ash ...

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05-05-2023 дата публикации

Hydrogenation catalyst as well as preparation method and application thereof

Номер: CN116060048A
Принадлежит:

The invention discloses a hydrogenation catalyst and a preparation method and application thereof, the hydrogenation catalyst comprises a carrier, a hydrogenation active metal component and a carbon component, the hydrogenation active metal component and the carbon component are loaded on the carrier, based on the total amount of the hydrogenation catalyst, the content of the carbon component is 0.03-0.8% by weight, the content of the carrier is 40-85% by weight, and the content of the hydrogenation active metal component and the content of the carbon component are 0.03-0.8% by weight. The hydrogenation active metal component meets the following relation: 0.25 < = n (VIB)/n (VIB + VIII) < = 0.35, n (VIB) represents the amount of substance of the VIB group metal element, and n (VIB + VIII) represents the sum of the amount of substance of the VIB group metal element and the amount of substance of the VIII group metal element; the carrier is phosphorus-containing aluminum oxide, and in an ...

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14-04-2023 дата публикации

Method and device for processing collaborative association event of multi-target spacecraft

Номер: CN115964390A
Принадлежит:

The invention discloses a processing method and device for a multi-target spacecraft collaborative association event. The method comprises the following steps: acquiring a multi-target spacecraft collaborative association event criterion table and acquiring a plurality of telemetering result data frames of a plurality of target spacecrafts; according to a criterion condition in the first frame frequency criterion table and the first telemetering result data frame, a global segment flag bit of the first target event is obtained, and the global segment flag bit is used for representing whether the first target event occurs or not; determining whether a second target event occurs or not according to criterion conditions in a second frame frequency criterion table, a second telemetering result data frame and a global segment flag bit of the first target event; and if the second target event occurs, representing that the multi-target spacecraft collaborative association event occurs. According ...

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14-07-2023 дата публикации

Spacecraft injection data processing method and device

Номер: CN116436507A
Принадлежит:

The invention provides a spacecraft injection data processing method and device, and relates to the technical field of spacecraft measurement and control. The method comprises the following steps: acquiring injection data content information, injection data input information and injection data framing sending information; if it is determined that a preset injection data generation condition is met according to the injection data configuration, the injection data input information and the spacecraft real-time telemetry information, generating injection data; if the injection data subjected to correctness check meets a preset injection data sending condition jointly formed by injection data input information and the spacecraft real-time telemetry information, injection data framing is carried out according to the injection data framing sending information and the spacecraft real-time telemetry information; and carrying out sending link selection on the framed injection data, and sending the ...

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28-04-2023 дата публикации

Hydrocracking method for producing diesel oil with low aromatic content and high paraffin content from heavy distillate oil

Номер: CN116023992A
Принадлежит:

The invention relates to a hydrocracking method for producing diesel oil with low aromatic content and high paraffin content from heavy distillate oil, which comprises the following steps: under hydrogenation conditions, contacting the heavy distillate oil with hydrogen and a hydrogenation catalyst in a fixed bed hydrogenation reactor; the dry point of the heavy distillate oil is not lower than 650 DEG C, and the metal content is not higher than 20 ppm; wherein the hydrogenation catalyst comprises a carrier and an active metal component loaded on the carrier; the active metal components comprise a nickel element and a tungsten element; on the basis of the total amount of the catalyst and in terms of oxide, the content of the nickel element is 0.5-10 wt%, and the content of the tungsten element is 15-35 wt%; on the basis of the total mass of the hydrogenation catalyst, the content of the carrier is 40-80 wt%; the carrier contains a non-amorphous mesoporous acidic material and a Y-type molecular ...

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27-08-2021 дата публикации

Automatic box pasting machine

Номер: CN214056627U

The utility model relates to the technical field of packaging box processing, in particular to an automatic box pasting machine which comprises a box pasting machine body, a conveying belt, a discharging table and a stacking device, the discharging table is connected with the box pasting machine body, the conveying belt is located on the discharging table, and the conveying belt is located on the right side of the box pasting machine body; the stacking device is located on the side, away from the box pasting machine body, of the conveying belt, a guide plate is arranged at the joint of the stacking device and the conveying belt and detachably connected with the discharging table, the stacking device comprises a stacking basket, and the end, away from the conveying belt, of the guide plate is attached to the interior of the stacking basket. The paper box stacking device has the effect that paper boxes can enter the stacking basket more easily.

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05-05-2023 дата публикации

Method for pre-hydrogenating coal tar raw material

Номер: CN116064161A
Принадлежит:

The invention relates to a coal tar raw material pre-hydrogenation method, which comprises: S1, carrying out centrifugal separation on a coal tar raw material to obtain a first solid phase material and a first liquid phase material; s2, the first liquid-phase material is filtered, a second liquid-phase material and a third liquid-phase material are obtained, and the solid content of the second liquid-phase material is higher than that of the third liquid-phase material; s3, mixing the second liquid-phase material with diluent oil, and returning to the step S1 for centrifugal separation; and S4, in the presence of hydrogen, contacting the third liquid-phase material with a protection catalyst and an asphaltene hydro-conversion catalyst to carry out hydrogenation reaction, and carrying out gas-liquid separation on the obtained hydrogenation reaction product. According to the method disclosed by the invention, metal and asphaltene in the coal tar raw material can be removed, the liquid yield ...

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