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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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Форма поиска

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 12. Отображено 12.
04-08-2023 дата публикации

Efficient recovery method for superfine high-argillaceous iron oxide ore in complex occurrence state

Номер: CN116532231A
Принадлежит:

The invention relates to a high-efficiency recovery method for superfine high-argillaceous iron oxide ore in a complex occurrence state. The method comprises the following steps: (1) selectively dispersing raw materials; (2) magnetite series strong magnetic roughing; (3) magnetite series strong magnetic scavenging; (4) magnetite series strong magnetic concentration; (5) limonite system pulse high-gradient super-strong magnetic roughing; and (6) limonite system pulse high-gradient strong magnetic concentration. Segmented magnetic separation is conducted on a superfine particle magnetite system and a limonite system in a complex occurrence state, the magnetite system is efficiently and preferentially recycled through strong magnetism and a small working gap, then a pulse high-gradient magnetic separation unit is adopted for efficiently recycling the limonite system through super-strong magnetism, high pulse and high gradient, iron oxide ore is effectively recycled in a classified and efficient ...

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16-02-2011 дата публикации

Circuit breaker for ground burying

Номер: CN0101976624A
Принадлежит:

The invention discloses a circuit breaker for ground burying and relates to a structure of the circuit breaker, which comprises a housing, three phases of switch poles are arranged in the housing, a cable inlet wire plug is arranged at one end of each phase of the switch pole, and the middle of each pole is additionally connected with a sleeve as a cable outlet wire plug. Two plugs can be directly connected with inlet and outlet wire cables. An insulating pull rod is arranged in the other end of each phase of the pole, and each insulating pull rod extends to the outside and is connected with an operation and control device. An operating mechanism in the circuit breaker is used for operating a shift fork of a transmission device, thereby operating and controlling a main push rod and a single-phase crank among the insulating pull rods of the three phases of the poles to realize closing and tripping of the circuit breaker. The single-phase crank consists of a shaft and two movable pins, the ...

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04-04-2023 дата публикации

Train communication method, train communication device and electronic equipment

Номер: CN115892123A
Принадлежит:

The invention provides a train communication method, a train communication device and electronic equipment. The method comprises the steps that vehicle attribute information of a first marshalling train is determined, the first marshalling train is any short marshalling train in long marshalling trains, and the vehicle attribute information is used for indicating the relative position of the first marshalling train in the long marshalling trains; based on the vehicle attribute information, a first global IP corresponding to vehicle-mounted signal equipment of the first marshalling train and a second global IP corresponding to vehicle-mounted signal equipment of a second marshalling train are determined, and the second marshalling train is a short marshalling train coupled with the first marshalling train; and based on the first global IP and the second global IP, controlling communication between the marshalling trains in the long marshalling trains. According to the train communication ...

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30-04-2014 дата публикации

Mixed leaching assistant-based cyanidation gold-leaching method

Номер: CN103757437A
Принадлежит:

The invention discloses a mixed leaching assistant-based cyanidation gold-leaching method. The mixed leaching assistant-based cyanidation gold-leaching method comprises the following steps of crushing gold-containing ore to obtain powder containing 90-95% of particles having the sizes of 0.074mm, adding tap water into the powder according to a liquid-solid ratio of 2: 1, adding quicklime into the solution to adjust a pH value to 10-11, adding 0.2-0.3kg/t of barium peroxide, 0.05-0.10kg/t of sodium peroxide and 2-3kg/t of sodium cyanide into the solution, carrying out stirring leaching for 4h, adding 0.025-0.05kg/t of sodium peroxide into the leaching solution, sequentially carrying out stirring leaching for 8h, adding 0.025-0.05kg/t of sodium peroxide into the leaching solution, and carrying out leaching for 8-18h to obtain the cyanidation leaching solution of gold. The mixed leaching assistant-based cyanidation gold-leaching method solves the problem that in cyanidation leaching, an oxide ...

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04-05-2011 дата публикации

Low-voltage universal vacuum circuit breaker

Номер: CN0102044376A
Автор: Zheng Yiyang, Zhou Dongyun
Принадлежит:

The invention provides a low-voltage universal vacuum circuit breaker, and relates to the technical field of low-voltage switches, comprising an insulating shell as well as an operation mechanism and an intelligent controller which are arranged outside the insulating shell. The vacuum circuit breaker is characterized in that: a vacuum arc extinguish chamber, a conductive loop and a transmission mechanism are arranged inside the insulating shell; the vacuum arc extinguish chamber is connected with a push rod and the transmission mechanism, and the push rod is driven to move up and down by the transmission mechanism to switch the switching state of the vacuum circuit breaker; the upper end of the vacuum arc extinguish chamber is connected with an upper bus by a soft connection mode, and the lower end of the vacuum arc extinguish chamber is provided with a conductive board, and is connected with a lower bus through a conductive board; and the conductive loop is formed among the upper bus, ...

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17-08-2021 дата публикации

Dental implant healing and scanning multifunctional abutment and operation method and special carrier thereof

Номер: CN113262061A
Принадлежит:

The invention relates to the technical field of dental implants, in particular to a dental implant healing scanning multifunctional abutment and an operation method and a special carrier thereof, and aims to solve the problems that intraoral data is difficult to obtain and repeated installation is needed in the conventional abutment. The dental implant healing and scanning multifunctional abutment comprises an abutment body, and the abutment body comprises a Morse taper structure and a gum penetrating section; wherein the upper end of the gum penetrating section is provided with symmetrical groove bodies, each groove body comprises a measurable structural surface in the vertical direction and a scannable depth surface in the horizontal direction, the outer edge of the upper end surface of the gum penetrating section is of an annular inclined surface structure, and the measurable structural surfaces are beneficial for clinicians to cooperate to distinguish specific specifications and models ...

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09-02-2011 дата публикации

Protective coating for inhibiting platinum bushing from being oxidized and volatilized, and manufacturing method and application thereof

Номер: CN0101967313A
Принадлежит:

The invention discloses a protective coating for inhibiting a platinum bushing from being oxidized and volatilized and reducing the loss of noble metals, a preparation process and application. The protective coating mainly comprises the following components in percentage by weight: 20 to 50 percent of silicon oxide, 20 to 45 percent of aluminum oxide, 5 to 15 percent of sodium silicate and 10 to 25 percent of sodium tetraborate. The protective coating can prevent platinum and rhodium alloys from being oxidized and volatilized at high temperature effectively, and compared with the bushings which are not processed, the bushing which is processed by a coating process can reduce the loss amount by over 30 percent.

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09-05-2023 дата публикации

Local inerting airflow device and system for glass fiber forming and control method

Номер: CN116081940A
Принадлежит:

The invention relates to a local inerting airflow device and system for glass fiber forming and a control method. The local inerting airflow device comprises a forming chamber with the bottom face of a bushing as the top wall, and the forming chamber is provided with an opening for a pulled glass melt to move; the first gas spraying assembly is used for inputting protective gas into the forming chamber so as to exhaust oxygen in the forming chamber, and the first gas spraying assembly is further connected with a first gas source used for conveying the protective gas to the first gas spraying assembly; the first oxygen concentration monitoring unit is used for monitoring the oxygen concentration in the forming chamber and recording the oxygen concentration as first oxygen concentration data; and the control unit is used for adjusting the speed of outputting the protective gas by the first gas injection assembly according to the first oxygen concentration data, so that the oxygen concentration ...

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22-10-2014 дата публикации

Method for recycling valuable metals from cyanidation slag containing gold

Номер: CN104107761A
Принадлежит:

The invention discloses a method for recycling valuable metals from cyanidation slag containing gold. The method comprises the following steps of (1) adding water in the cyanidation slag containing gold, and performing size mixing treatment on the cyanidation slag containing gold so as to obtain ore pulp; (2) adding powdered carbon and sodium sulphide in the ore pulp; (3) adding collecting agents and foaming agents in the ore pulp obtained from the step (2), and performing roughing treatment on the ore pulp so as to obtain roughing concentrate and tailings; (4) stirring and inflating the roughing concentrate, and performing first cleaning treatment on the roughing concentrate so as to obtain first cleaner tailings and first cleaner concentrate; (5) adding lime and collecting agents in the first cleaner concentrate, and performing second cleaning treatment on the first cleaner concentrate so as to obtain sulfur concentrate and second cleaner concentrate; and (6) adding lime in the second ...

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29-08-2023 дата публикации

Train control method and system in wet rail mode and train

Номер: CN116654047A
Принадлежит:

The invention provides a control method and system for a train in a wet rail mode and the train, and belongs to the field of train control, the train comprises a speed and distance measuring module and a data acquisition module, the speed and distance measuring module comprises a plurality of sensors and is used for acquiring operation data of the train, and the data acquisition module is used for acquiring rail information; the method comprises the steps of determining the slippery degree of a rail in front of train operation according to rail information; determining a slippery grade corresponding to the slippery degree according to a preset corresponding relation between the slippery degree and the slippery grade; when the slippery grade is a first set threshold value or when the slippery grade is a second set threshold value and any sensor in the speed and distance measuring module works abnormally, a vehicle control strategy of limiting the maximum traction and limiting the maximum ...

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07-04-2023 дата публикации

Method for recovering gold, silver and copper from sulfur concentrate calcine washing waste liquid

Номер: CN115927852A
Принадлежит:

The invention relates to a method for recovering gold, silver and copper from sulfur concentrate calcine washing waste liquid. The method comprises the following steps: (1) detecting the content of gold, silver and copper in the sulfur concentrate calcine washing waste liquid; (2) adding a lime milk solution to enrich and precipitate gold, silver and copper in the washing waste liquid, and then carrying out solid-liquid separation until the pH value is 7-8; (3) recycling gold and silver; the filter residues obtained in the step (2) are subjected to size mixing, a lime milk solution is added for a reaction, the PH ranges from 10 to 11, and the reacted ore pulp is subjected to cyanidation to leach activated carbon to adsorb gold and silver; wherein the stirring rotating speed is 300-500 revolutions per minute; (4) a copper recovery process: carrying out solid-liquid separation on the ore pulp treated in the step (3), controlling the ore grinding concentration of filter residues to be 50-60% ...

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18-08-2023 дата публикации

Vehicle-mounted display system

Номер: CN116605260A
Принадлежит:

The invention provides a vehicle-mounted display system which comprises an automatic train protection system of an automatic train control system based on communication, a train control and management system and a display device, and the automatic train protection system, the train control and management system and the display device are connected into the same communication network. The automatic train protection system sends first information to display equipment through a communication network; the train control and management system sends second information to the display device through the communication network; and the display equipment is used for displaying the first information, the second information and third information interacted between the ATP and the TCMS. The ATP, the TCMS and the vehicle-mounted display system adopt a unified communication network to carry out information interaction, only one set of vehicle-mounted display system is used, information sent by the CBTC ...

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