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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 24. Отображено 24.
16-12-2015 дата публикации

From area filling electrolyte device battery

Номер: CN0204885279U
Автор: HAN FENG, SHI ZIQIANG, DU JIWEI, CHENG YUNLONG, GUO JIANYING
Принадлежит:

The utility model discloses a from area filling electrolyte device battery belongs to the battery field, and its structure includes: battery body, container, piston, straw, electrolyte, the battery body top surface evenly is equipped with the container, the container is the cylindrical shape structure, and the container bottom links firmly with the battery body top surface, the vessel bottom end position is in the inside electrolyte filler top of battery body, and the container top is equipped with the binding off structure, the inside piston that is equipped with of binding off structure, container side bottom is equipped with the straw. The utility model discloses simple structure is practical, can set up the electrolyte storage configuration on traditional battery, as reserve, perhaps transport for long -distance in the field and satisfies the demand when electrolyte need be annotated to the in -process.

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Номер записи: 1
29-08-2023 дата публикации

Oil fume pumping and discharging equipment

Номер: CN116658956A
Автор: REN FUJIA, CHENG YUNLONG, KUANG WENXIN, CHEN ZHITAO, CHANG YING
Принадлежит:

The invention relates to the technical field of oil fume pumping and discharging equipment, and discloses oil fume pumping and discharging equipment which is additionally provided with a grille heating device for heating an air inlet grille, and the air inlet grille is arranged to be a heat conduction structural part. When the oil fume pumping and discharging equipment is started, air containing high-temperature oil fume and water vapor enters the shell through the air inlet grille, meanwhile, the grille heating device is started to heat the air inlet grille, the air inlet grille is a heat conduction structural part, and the temperature of the air inlet grille can be rapidly increased; therefore, the difference between the temperature of the air inlet grille and the temperature of the air containing high-temperature oil smoke and water vapor is small, and the air containing the high-temperature oil smoke and water vapor is prevented from being in contact with the air inlet grille to cause ...

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Номер записи: 2
23-06-2023 дата публикации

Draining board assembly and integrated water tank

Номер: CN116268997A
Автор: REN FUJIA, CHENG YUNLONG, FU ANRONG, CHENG RONGQIANG, YU GUOCHENG
Принадлежит:

The invention relates to the technical field of integrated water tanks, in particular to a draining board assembly and an integrated water tank. A draining board main body; the unfreezing plate is arranged on the surface of the draining plate main body and is fixedly connected with the draining plate main body; a cavity is formed between the draining board main body and the unfreezing board, and fluid exists in the cavity; the thermal conductivity of the unfreezing plate is higher than that of the draining plate main body; the thermal conductivity of the fluid is higher than that of the thawing plate. According to the scheme, the draining board assembly is formed by combining the draining board main body and the unfreezing board, two use forms can be achieved at the same time, a user does not need to prepare two boards, and the heat conductivity of the unfreezing board is higher than that of the draining board main body, so that when the user uses the draining board assembly, the unfreezing ...

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Номер записи: 3
02-09-2015 дата публикации

Hyper-chaotic system-based secret key dynamic selection image encryption algorithm

Номер: CN104881837A
Автор: CHAI XIULI, YANG KANG, WANG JUN, GAN ZHIHUA, GAO YULIN, CHENG YUNLONG
Принадлежит:

The invention relates to a hyper-chaotic system-based secret key dynamic selection image encryption algorithm. The algorithm mainly comprises the following steps of arranging original plaintext images into an image array P, using a hyper-chaotic system to generate a chaotic sequence, and performing grouping; generating a forward scrambling secret key K1 with the combination of a KSSG and KS dynamic selection mechanism based on a plaintext and performing forward scrambling of the P to obtained P1; generating a forward diffusion secret key K2 with the combination the KSSG and KS dynamic selection mechanism and performing forward diffusion of the P1 to obtain a P2; generating a backward scrambling secret key K3 with the combination of the KSSG and KS dynamic selection mechanism and performing backward scrambling of the P2 to obtain a P3; and generating a backward diffusion secret key K4 with the combination the KSSG and KS dynamic selection mechanism, performing forward diffusion of the P3 ...

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Номер записи: 4
13-06-2023 дата публикации

Draining device and integrated water tank

Номер: CN116250747A
Автор: REN FUJIA, CHENG YUNLONG, FU ANRONG, CHENG RONGQIANG, YU GUOCHENG
Принадлежит:

The invention relates to the technical field of cleaning tools, and provides a draining device and an integrated sink, the draining device comprises a draining groove formed in the sink and a draining plate assembly which is installed in the draining groove and can enter and exit from the draining groove in a non-deformation state; the draining board assembly comprises a draining board main body and a rotating shaft part, the draining board main body is rotationally connected with the rotating shaft part, and when the draining board main body moves relative to the draining groove till all the draining board main body leaves the draining groove, at least part of the rotating shaft part is located in the draining groove; and the draining groove limits the rotating shaft piece to rotate along with the draining board main body. According to the scheme, it can be guaranteed that the draining plate of the integrated water tank is convenient to use and convenient and rapid to store, a user can ...

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Номер записи: 5
04-04-2023 дата публикации

Planting fixing cylinder capable of improving survival rate of nursery stocks

Номер: CN115885760A
Автор: CHENG YUQI, CHENG YUNLONG, DU MIN
Принадлежит:

The invention discloses a planting fixing cylinder capable of improving the survival rate of nursery stocks, which comprises two open-type transverse fixing cylinders, and open-type vertical fixing cylinders are fixedly connected to the upper ends, close to opposite side walls, of the two open-type transverse fixing cylinders. A rotating disc is rotated through a handle to drive a threaded rod to rotate, so that the threaded rod drives a movable block to drive two strip-shaped blocks to horizontally move along the threaded rod under the limiting action of a sliding groove and a sliding block, the two strip-shaped blocks drive an arc-shaped clamping block to position a seedling main rod in an open type vertical fixing cylinder, and normal growth of seedlings is ensured; the two open-type transverse fixing cylinders and the open-type vertical fixing cylinders are fixed in a butt joint mode, the roots of nursery stocks penetrate through the open-type vertical fixing cylinders and then are ...

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Номер записи: 6
23-06-2023 дата публикации

Draining board cleaning device and integrated water tank

Номер: CN116269008A
Автор: REN FUJIA, CHENG YUNLONG, FU ANRONG, CHENG RONGQIANG, YU GUOCHENG
Принадлежит:

The invention discloses a draining board cleaning device and an integrated water tank. The draining board cleaning device comprises a draining tank for containing a draining board and a cleaning mechanism arranged on the draining tank and used for cleaning the draining board, and the draining tank is formed in the integrated water tank; and the cleaning mechanism supplies water to the inner cavity of the draining plate. According to the scheme, according to the draining board cleaning device, the used draining board can be cleaned through the cleaning mechanism arranged on the draining groove after being inserted into the draining groove, the cleaning process is convenient and fast, and the space of the integrated water tank where the draining groove is located is reasonably utilized.

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Номер записи: 7
21-07-2023 дата публикации

Fresh-keeping device and fresh-keeping method

Номер: CN116458592A
Автор: REN FUJIA, CHENG YUNLONG, THE INVENTOR HAS WAIVED THE RIGHT TO BE MENTIONED, SANG LEI, ZHANG YINFENG, YU MINGYUE
Принадлежит:

The invention relates to the technical field of kitchen utensils, and discloses a fresh-keeping device and a fresh-keeping method. The fresh-keeping device comprises a water tank body, a mixing assembly, an air supply assembly and a water supply assembly, and a fresh-keeping groove is formed in the water tank body and used for containing food materials to be kept fresh; the mixing assembly is used for mixing water and oxygen-containing gas to form a water-gas mixture and introducing the water-gas mixture into the fresh-keeping tank to keep fresh of fresh food materials to be kept fresh; the gas supply assembly is used for introducing oxygen-containing gas into the mixing assembly; the water supply assembly is used for introducing water into the mixing assembly. According to the fresh-keeping refrigerator, fresh fish and shrimp food materials can be kept fresh, freshness of the fresh food materials is guaranteed, and the defect that the fresh food materials cannot be stored in the refrigerator ...

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Номер записи: 8
02-05-2023 дата публикации

Chemical safety training platform and method based on digital cloud platform

Номер: CN116048257A
Автор: CHENG YUNLONG, CAO ZIYING, WANG ZHONGFU
Принадлежит:

The invention discloses a chemical safety training platform and method based on a digital cloud platform, and relates to the technical field of chemical safety training, and the platform comprises a login module, a chemical safety training module, a chemical safety data cloud, and a training detection module. Through the arrangement of a virtual three-dimensional model establishment unit, an accident key point establishment unit and a virtual reality module, a student wears a virtual reality helmet and virtual reality gloves, and a data loading unit loads a virtual chemical safety accident model into the virtual reality helmet; a real chemical safety accident scene can be created by personally experiencing a virtual chemical safety accident process from the perspective of a first person, the simulation recording unit records behavior performance of students in the virtual chemical safety accident process, and teachers evaluate and record practical training results of the students, so that ...

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Номер записи: 9
04-08-2023 дата публикации

FUBP and application thereof

Номер: CN116535480A
Автор: DU ERXIA, CHENG YUNLONG, CHEN JINXIN, LI SHENG
Принадлежит:

The invention belongs to the technical field of biology, and discloses FUBP and application thereof. The FUBP and the biological material related to the FUBP are disclosed for the first time, the FUBP and the biological material related to the FUBP are remarkably related to cockroach insect wing development, the cockroach insect wing development can be hindered by reducing the expression quantity and/or activity of the FUBP in cockroaches, so that reproduction processes such as cockroach insect adult ovum development cannot be normally carried out, and the cockroach insect adult ovum development cannot be normally carried out. In the prevention and treatment process, drug resistance is not generated, harm to people and livestock is avoided, and pollution to the environment is avoided.

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Номер записи: 10
07-01-2015 дата публикации

In-situ combustion electric ignition device

Номер: CN104265256A
Автор: YANG XIANZHI, YANG ZHIXIANG, LI GUANGFU, ZHANG FUXING, CHENG YUNLONG, SUN GUANGXIONG, WANG HONG, WANG JIANXIAO, YUAN TIANYU, WANG YING
Принадлежит:

The invention discloses an in-situ combustion electric ignition device, which comprises a protection pipe, a temperature measuring device, a heating device and a pressure measuring pipe, wherein the protection pipe extends in the lengthwise direction; the inside of the protection pipe is filled with high-temperature insulation filling materials; the temperature measuring device is arranged in the protection pipe; the heating device is arranged in the protection pipe; the pressure measuring pipe is arranged in the protection pipe; an end opening of the lower end of the pressure measuring pipe is used for being communicated with a borehole environment in an ignition position; an end opening of the upper end of the pressure measuring pipe is a pressure measuring outlet; and the heating device is separated from the temperature measuring device, the pressure measuring pipe and the protection pipe by the high-temperature insulation filling materials. When the in-situ combustion electric ignition ...

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Номер записи: 11
28-04-2023 дата публикации

Bed core and frame assembling device

Номер: CN116021484A
Автор: SUN WENDE, ZHANG JIUGANG, YAO LILI, CHENG YUNLONG
Принадлежит:

The invention discloses a seedbed core and frame assembling device which comprises a bottom layer frame and further comprises an assembling table mechanism, the assembling table mechanism comprises movable supports, the movable supports comprise the first movable support and the second movable support, and the first movable support and the second movable support are arranged on the bottom layer frame in a left-right translation mode; the first movable support and the second movable support are each provided with a row of evenly-distributed supporting transverse rods, and the supporting transverse rods located on the first movable support and the supporting transverse rods located on the second movable support are arranged in a staggered mode. The first movable support and the second movable support are arranged on the bottom layer frame in a left-right translation mode, the supporting cross rods located on the first movable support and the second movable support are arranged in a staggered ...

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Номер записи: 12
09-09-2015 дата публикации

Portable layering electric ignition of fireflood and monitoring technology tubular column

Номер: CN0204627576U
Автор: WANG JIANXIAO, LI SHUQUAN, YANG XIANZHI, CHENG YUNLONG, WU DONGKUI, YUAN TIANYU, SUN GUANGXIONG, MO XIAOLEI, JIANG GUOQING, WU HAO, WANG YING
Принадлежит:

The utility model provides a portable layering electric ignition of fireflood and monitoring technology tubular column, include: the tubular column includes: oil pipe and at least two oil jacket annular space packer, oil pipe is taking the oil pipe of sieve mesh, oil jacket annular space packer sets up on the oil pipe outer wall according to each oil reservoir depth of seam division and thickness, the hole groove set up inside oil pipe on temperature measurement cable passed through oil jacket annular space packer, the thermocouple links to each other with temperature measurement cable, manage the cable in succession, portable electric igniter, packer in the oil pipe installs additional in the lower extreme of portable electric igniter, and the packer contains expansion chamber and sealing member in the oil pipe, drive arrangement, drive arrangement place the outside of straight well well head in, manage the cable in succession and provide on drive arrangement, and interior packer the lifting ...

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Номер записи: 13
07-10-1998 дата публикации

Warmer

Номер: CN0001194819A
Автор: CHENG YUNLONG, YUNLONG CHENG
Принадлежит:

A warming device for treating prostatic diseases by patient itself is structurally composed of main body and vibration unit. Said main body is a case in which there are water tank, temp and speed regulator, temp indicator and air pump. An air bag in water tank is connected to airpump. Said water tank is communicated via tube to probe which has many small holes and is wrapped by water bag made of rubber. It also has heater, electrothermal material and vibration unit. The water is circulated and has adjustable temp. Before using, the water bag is inserted into anus. Its advantages include simple structure, easy application and high curative effect.

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Номер записи: 14
30-05-2023 дата публикации

Automatic spring bed core production line

Номер: CN116174623A
Автор: SUN WENDE, ZHANG JIUGANG, YAO LILI, CHENG YUNLONG
Принадлежит:

The invention discloses an automatic production line of a spring bed core. The automatic production line comprises a spring generating device, a guiding and bending device, a cutting device and a cutting device, the guide bending equipment is used for continuously bending the springs conveyed in the first direction on the conveying equipment at equal intervals; the forming equipment is used for shaping the bent part of the spring so as to keep the state of the bent spring; the heat treatment equipment is used for carrying out heat treatment on the bent spring; the cutting equipment is used for selectively cutting off the continuously bent spring; a conveying rack; the conveying equipment can keep conveying the spring when the spring is subjected to bending, forming, heat treatment and cutting off; the net stringing equipment can integrally connect the cut springs arranged in the first direction in series to form a partial spring bed core, and can continuously connect partial spring bed ...

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Номер записи: 15
22-08-2023 дата публикации

Power wheel assembly, carrying tool and control method of carrying tool

Номер: CN116620376A
Автор: CHENG YUNLONG
Принадлежит:

The embodiment of the invention relates to a power wheel assembly, a carrying tool and a control method of the carrying tool. Wherein the power wheel assembly can comprise a wheel; the power assembly comprises an overrun clutch, a motor for providing a first rotating speed and a speed reducer which is in transmission connection with the motor and the wheels at the same time; wherein the speed reducer is used for reducing a first rotating speed of the motor and outputting a second rotating speed to the wheels so as to drive the wheels to rotate; the overrun clutch is configured to automatically disconnect transmission connection between the speed reducer and the wheels when the rotating speed of the wheels is larger than the second rotating speed. The power wheel assembly with the configuration can conveniently help consumers to switch use modes, and does not bring extra resistance during manual pushing.

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Номер записи: 16
30-09-2015 дата публикации

Star carries embedded software reliability testing verification system

Номер: CN0204680004U
Автор: YAN YUNHONG, XIONG SIJUN, QIN JINBIAO, DONG CHENHUI, XING SHEN, XU YUANYUAN, CHENG YUNLONG, GUO DI, PENG LIZHANG, CHEN YUAN, LIU BO, REN XINPING, WANG KUI
Принадлежит:

The utility model provides a star carries embedded software reliability testing verification system, a serial communication port, show accuse operation panel, star year computer simulation ware, outside measuring junction actinal surface board and measurement documentation appearance including the PC who connects gradually, PC show the accuse operation panel with the measurement documentation appearance is connected, wherein, PC shows the parallel circuit that the accuse operation panel contains CPU, display circuit, memory, a bus communication circuit, ethernet communication circuit and is used for producing drive signal, CPU respectively with display circuit, memory and ethernet communication circuit connect, ethernet communication circuit and ethernet input ports are connected, a parallel circuit includes mutual parallel connection's digifax analog to digital conversion circuit and digital quantity IO circuit, a parallel circuit's input with CPU connects, an output and a bus communication ...

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Номер записи: 17
11-08-2023 дата публикации

Distribution assembly and integrated water tank

Номер: CN116575542A
Автор: REN FUJIA, CHENG YUNLONG, FU ANRONG, CHENG RONGQIANG, YU GUOCHENG, SANG LEI
Принадлежит:

The invention discloses a distribution assembly and an integrated water tank, and belongs to the technical field of kitchen equipment. Comprising a water tank with a distribution assembly, the distribution assembly communicates with all functional modules of the integrated water tank through a plurality of connecting pipes correspondingly, the connecting pipes communicate with first through holes of the distribution assembly correspondingly, and the distribution assembly can selectively open or plug any connecting pipe; therefore, the distribution assembly can be communicated with the function module of any integrated water tank, can also be communicated with the function modules of a plurality of integrated water tanks at the same time, and can be communicated with the function modules of a plurality of integrated water tanks in any combination at the same time. The integrated water tank solves the problem that an existing integrated water tank cannot be switched at will to introduce fluid ...

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Номер записи: 18
25-08-2023 дата публикации

Field plot dividing and soil sample taking tool

Номер: CN116642726A
Автор: ZHANG GANG, ZHU LIN, ZHANG YANG, NIE HAOJIE, BAO YUGUO, LI LIN'AO, JING QINGFANG, CHENG YUNLONG
Принадлежит:

The invention belongs to the technical field of field measurement and sampling, and relates to a field plot dividing and soil sample taking tool. The tool comprises a main rod assembly, at least one auxiliary rod assembly and at least one flexible wire, and the two ends of the flexible wire are detachably connected to the main rod assembly and the auxiliary rod assembly respectively. The main rod assembly comprises a camera obscura, a laser range finder, an infrared receiver and a fixing rod, wherein the laser range finder and the infrared receiver are arranged in the camera obscura. The auxiliary rod assembly comprises a reflecting plate, an infrared transmitter and a sampling supporting tube; an annular mark is arranged on the flexible wire; the laser range finder and the reflecting plate are used for measuring the distance between the main rod assembly and the auxiliary rod assembly, the infrared transmitter and the infrared receiver are used for aligning the main rod assembly and the ...

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Номер записи: 19
04-02-2015 дата публикации

In-situ combustion electric ignition device

Номер: CN104329068A
Автор: YANG XIANZHI, ZHANG HONGJUN, ZHANG SHOUJUN, ZHANG FUXING, LI GUANGFU, XU DAN, CHENG YUNLONG, WANG JIANXIAO, LUO ENYONG, WANG YING
Принадлежит:

The invention discloses an in-situ combustion electric ignition device. The in-situ combustion electric ignition device comprises a continuous pipe extending longitudinally, a heating element and a thermocouple, wherein the continuous pipe is filled with a high-temperature-resistant insulating filler, and is provided with a tail end for extending into an ignition position and a starting end for extending out of a well; the heating element is arranged in the continuous pipe; the thermocouple is arranged in the continuous pipe, and comprises a first thermocouple wire and a second thermocouple wire which extend along the longitudinal extending direction of the continuous pipe and are made of different metal materials; the first thermocouple wire is isolated from the second thermocouple wire through the high-temperature-resistant insulating filler; one end of the first thermocouple wire and one end of the second thermocouple wire which are close to the tail end are electrically connected into ...

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Номер записи: 20
27-08-2014 дата публикации

Color image encryption method based on SHA-384 function, spatiotemporal chaotic system, quantum chaotic system and neural network

Номер: CN104008520A
Автор: CHAI XIULI, SHI CHUNXIAO, DING WENKE, GAN ZHIHUA, WANG JUN, CHENG YUNLONG
Принадлежит:

The invention relates to a color image encryption method based on an SHA-384 function, a spatiotemporal chaotic system, a quantum chaotic system and a neural network. The method includes the steps that an original color image I0 is calculated through the SHA-384 function, a Hash value is obtained as a secret key, the Hash value, a CML and one-dimension Logistic chaotic mapping are utilized for generating a chaos sequence, bit-level line-column scrambling is carried out on high four-digit images of components of three primary colors of the I0 through the chaos sequence, and a scrambled image I1 is obtained; the Logistic quantum chaotic system is utilized for generating a chaos sequence for encrypting the scrambled image, and is combined with the neural network to carry out parallel diffusion processing on all pixel values of components of three primary colors of the I1, and a final encrypted image I2 is obtained. By the method, the space of the secret key is greatly enlarged, the safety, ...

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Номер записи: 21
06-01-2016 дата публикации

Be used for radiating radiator of LED lamp

Номер: CN0204943409U
Автор: CHENG YUNLONG
Принадлежит:

The utility model relates to a be used for radiating radiator of LED lamp, radiator are cylindrical radiator, including the heat conduction post, the forward rotation fin, reverse rotation fin and strengthening rib, a plurality of forward rotation fin of installation and a plurality of reverse rotation fin on the lateral wall of heat conduction post, the forward rotation fin is the same with the quantity of reverse rotation fin, and forward rotation fin and reverse rotation fin are the arc fin, a plurality of forward rotation fin and a plurality of reverse rotation fin intercrossing, form a plurality of louvres, and forward rotation fin and reverse rotation fin one -to -one, dock each other one side of keeping away from the heat conduction post of forward rotation fin and the reverse rotation fin that corresponds, butt joint department is equipped with the strengthening rib, extend the below of the outer fringe guide plume of forward rotation fin and reverse rotation fin, formation is used ...

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Номер записи: 22
10-08-2011 дата публикации

Temperature and pressure monitoring cable with protection tube and manufacturing method thereof

Номер: CN0102146792A
Автор: SHOUGUO SUN, ZHIXIANG YANG, FUXING ZHANG, MEI HONG, QIANG LI, HONGCHI ZHANG, LI LI, YUNLONG CHENG, DONGCHENG WANG, WEI LIANG, XIANSHU FAN, BIN ZHU, WEN FANG, HONG ZHANG, CHEN JUN, SUN SHOUGUO, YANG ZHIXIANG, ZHANG FUXING, HONG MEI, LI QIANG, ZHANG HONGCHI, CHENG YUNLONG, WANG DONGCHENG, LIANG WEI, FAN XIANSHU, ZHU BIN, FANG WEN, ZHANG HONG
Принадлежит:

The invention relates to a temperature and pressure monitoring cable with a protection tube. The manufacturing technology of the test and protection tube has the key points that low-carbon alloy steel is selected as long steel materials to improve the twisting strength of a tubular product, the tensile performance and the weldability of the tubular product; underwater low-temperature welding outer protection tubes are adopted in the welding process and are formed and welded into a whole at one time in a manner of being directly embedded into an internal cable, the cable prefabrication is not required so as to prevent the internal cable from being distorted, extruded and collided, therefore the site construction workload is reduced, and the test construction success rate is improved; and the treatment to the positions of all pressure measurement ports is finished under the non-cutting-off condition so as not to affect the strength of the cable and the test and protection tube. The manufacturing ...

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Номер записи: 23
10-12-2014 дата публикации

Fireflooding moving type high-temperature electric ignition process pipe

Номер: CN104196509A
Автор: ZHANG FUXING, YANG XIANZHI, LIU LI, YANG ZHIXIANG, CHENG YUNLONG, ZHAO SHUJIE, YU XIAOCONG, WANG JIANXIAO, XU DAN, ZHANG CHENGBO, WANG YING, LUO ENYONG
Принадлежит:

The invention provides a fireflooding moving type high-temperature electric ignition process pipe. The pipe specifically comprises a casing pipe, an oil pipe, a heat insulation pipe and a packer, wherein the hot end of an igniter for fireflooding moving type high-temperature electric ignition is arranged in the heat insulation pipe, the oil pipe is connected with the top of the heat insulation pipe, a pipe body formed by the oil pipe and the heat insulation pipe in a combined mode is arranged in the casing pipe, and the packer is connected with the bottom of the heat insulation pipe and used for separating the pipe body formed by the oil pipe and the heat insulation pipe in the combined mode from the casing pipe. Due to the process pipe, the heat insulation effect can be effectively achieved, heat consumption is reduced and the casing pipe is protected; the process pipe plays a gas separation effect in a normal gas injection stage, and oxidation corrosion of oxygen to the pipe is also prevented ...

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Номер записи: 24