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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 25. Отображено 25.
21-04-2023 дата публикации

TOMM6 mutant gene as well as primer, kit and method for detecting TOMM6 mutant gene and application of TOMM6 mutant gene

Номер: CN115992219A
Автор: WANG KAIYU, ZHENG FANG
Принадлежит:

The invention relates to a TOMM6 mutant gene, a primer, a kit and a method for detecting the TOMM6 mutant gene and application of the TOMM6 mutant gene. Compared with a human genome reference sequence GRCh37, the TOMM6 mutant gene has at least one of the following mutations: a basic group with a physical position of 41755531 of a chromosome 6 mutates from C to G, and a basic group with a physical position of 41755565 of the chromosome 6 mutates from T to C; compared with the sequence of SEQ ID NO.1, the cDNA (complementary deoxyribonucleic acid) sequence of the mutant TOMM6 gene has at least one of the following mutations: c.96Cgt; g, c.128 + 2Tgt; c; according to the TOMM6 mutant gene, the reagent for detecting the TOMM6 mutant gene and the like provided by the invention, an LIMD pathogenic gene TOMM6 is excavated, and a TOMM6 mutant gene locus is provided, so that an important basis is provided for early molecular screening, family genetic research and the like of LIMD.

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Номер записи: 1
07-04-2023 дата публикации

Method and device for determining number of stall clusters of centrifugal compressor and storage medium

Номер: CN115929669A
Автор: WANG RUI, YANG SHUHUA, XIAO ZHONGHUI, LIU CHANGSHENG, SUN YUYING, MENG JIGANG, WANG KAIYU
Принадлежит:

The invention discloses a method and device for determining the number of stall clusters of a centrifugal compressor, a storage medium and computer equipment, and the method comprises the steps: obtaining a first pressure wave image corresponding to any target pressure monitoring section, the first pressure wave image is obtained on the basis of at least three pressure sensors of any target pressure monitoring section under the normal working condition of the centrifugal compressor; a second pressure wave image corresponding to any target pressure monitoring section is obtained, wherein the second pressure wave image is obtained based on the at least three pressure sensors of any target pressure monitoring section under the stall working condition of the centrifugal compressor; determining a first pressure wave period based on the first pressure wave image, and determining a second pressure wave period based on the second pressure wave image; and according to the first pressure wave period ...

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Номер записи: 2
11-08-2023 дата публикации

Attack path prediction model generation method and device based on network attack graph

Номер: CN116582349A
Автор: JI ZHENZHOU, MA RUILIN, WANG HERU, XIE WEIXUN, ZHANG LIZHAO, WANG KAIYU, KONG SHENGSONG, LIU HUAZAN, LI KAIKAI
Принадлежит:

The invention discloses an attack path prediction model generation method and device based on a network attack graph, and relates to the technical field of industrial control security. Network vulnerability information of a whole industrial control network is generated by obtaining industrial control network data and vulnerability data of a national vulnerability database; generating a network attack graph of each area of the industrial control network according to the network vulnerability information, extracting information required by attack and defense party game adversarial training from the network attack graph, carrying out adversarial training to obtain an attack path selection probability, quantifying a weight of a directed edge of the network attack graph according to the attack path selection probability, and obtaining an attack path selection probability; the vulnerability availability is calculated according to the network attack graph and the network vulnerability information ...

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Номер записи: 3
15-06-2016 дата публикации

Device is examined to hollow fiber membrane membrane silk gas

Номер: CN0205308153U
Автор: HE TIEFENG, LI YI, WANG KAIYU, YANG QIAN, HU WENHAN, ZHANG CHANG'AN
Принадлежит:

... 本实用新型公开了一种中空纤维膜膜丝气检装置，包括：支撑架，上端夹具，测位器，下端夹具，定位支杆，两根所述定位支杆平行固定在支撑架上，所述上端夹具位于支撑架上端且和定位支杆垂直，所述测位器安装在定位支杆上且和上端夹具平行，所述下端夹具安装在定位支杆上且和上端夹具平行。 ...

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Номер записи: 4
27-07-2016 дата публикации

Chitin health care underwear pants

Номер: CN0205390310U
Автор: WANG KAIYU, WANG LINMAO, GU CHUNYAN
Принадлежит:

... 本实用新型公开了甲壳素保健内衣内裤，内衣和内裤均采用甲壳素纤维制备而成，内裤的腰带内层的吸汗层为甲壳素纤维和棉纤维交织而成，内裤的腰带外层的透气层为表面设置有“S”形网眼的弹性织带，在“S”形网眼之间的织带上固定设置气垫凸起，裤子本体的裤腿的外缝边线两侧间歇开设透气网和弹性筋，裤腿的脚踝处设置有尼龙搭扣，由内外两层弹性纤维包覆磁珠的紧固层通过尼龙搭扣可拆卸式安装在裤腿外表面。本实用新型的吸汗层可以迅速吸收身体分泌的汗液；透气网使皮肤保持干爽状态；褶皱状的布有较好的拉伸性和弹性，在运动时，腰部的肌肉和气垫凸起相互接触，起到按摩效果，磁珠的旋转促进脚踝处的血液循环，有益身心健康。 ...

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Номер записи: 5
28-07-2023 дата публикации

Millimeter wave radar data acquisition card and data acquisition control method thereof

Номер: CN116506524A
Автор: ZHOU LE, ZHANG LIFEI, WANG KAIYU, GU CHAO, YANG KEJIAN
Принадлежит:

The invention discloses a millimeter wave radar data acquisition card and a data acquisition control method thereof. The data acquisition card comprises a network port data receiving module, a network port data asynchronous cache FIFO module, a first protocol conversion module, a first MIGip module, a first DDR cache module 7, a data control module, a USB sending fifo module, a USB sending module, an LVDS protocol data receiving module, an LVDS protocol data asynchronous cache FIFO module, a second protocol conversion module, a second MIGip module and a second DDR cache module. According to the invention, an FPGA internal data AXI protocol, a parallel data processing mode and an iddr primitive module are flexibly used, data of LVDS and a network port are recombined in real time and transmitted to an upper computer through a usb, the time delay of data acquisition is greatly reduced, and in addition, a self-defined serial state machine design is adopted, so that the actual demand on resource ...

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Номер записи: 6
15-08-2023 дата публикации

Industrial control security event identification response method and system based on vulnerability utilization network

Номер: CN116599726A
Автор: JI ZHENZHOU, WANG HERU, XIE WEIXUN, MA RUILIN, LI KAIKAI, LIU HUAZAN, ZHANG LIZHAO, WANG KAIYU, KONG SHENGSONG, HE SHUFAN
Принадлежит:

The invention provides an industrial control security event identification response method and system based on a vulnerability utilization network, the system comprises a knowledge graph construction part and a security event identification response part, and the method comprises the following steps: extracting knowledge base data and converting the knowledge base data into nodes in a knowledge graph; establishing connection between the nodes by using a mode based on a pre-training machine learning model; matching the state of the industrial control system by using the key identification features of the equipment and the attack mode node and mapping the state to the vulnerability node; connecting the matched vulnerability nodes to form a vulnerability utilization network; and corresponding response information is given according to different forms of the vulnerability utilization network. Compared with a traditional industrial control security detection and response method, the method has ...

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Номер записи: 7
01-08-2023 дата публикации

Underwater cutting equipment and underwater cutting method

Номер: CN116511646A
Автор: YANG HONGYUE, LI GUANGYU, CHANG QING, WANG KAIYU, LIU XIAOKUN, WU HUA, GE YAO, HAO FANG, LIU YU, ZANG SHAOFENG, LIU JILIAN
Принадлежит:

The underwater cutting equipment comprises a water tank, a driving device and a cutting device, the cutting device comprises a cutter, the driving device is connected to the water tank, the driving end of the driving device is connected with the cutter, and the blade part of the cutter extends into the water tank and is suspended above a workpiece to be cut; a gap between the cutter and the to-be-cut workpiece is positioned below the liquid level of water in the water tank; the driving device is used for driving the cutter to move and feed; the cutter and the to-be-cut workpiece are connected with the two electrodes of the power source correspondingly, and electric arcs are generated in the gap between the cutter and the to-be-cut workpiece to melt the to-be-cut workpiece through the electric arcs to achieve cutting. According to the underwater cutting equipment, electric arc is used for cutting, limitation of workpiece materials and hardness is avoided, and the underwater cutting equipment ...

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Номер записи: 8
28-06-2018 дата публикации

MECHANICAL CONNECTION DEVICE FOR REINFORCING STEEL BAR COMPONENT CONSTRUCTION, AND REINFORCING STEEL BAR CONNECTION METHOD

Номер: WO2018113473A1
Автор: WANG, Kaiyu
Принадлежит:

Disclosed are a mechanical connection device and a connection method for reinforcing steel bar component construction. The mechanical connection device comprises a first inner threaded sleeve (1), a second inner threaded sleeve (2) and an outer threaded sleeve (3), with a lock nut (4) being arranged outside the outer threaded sleeve (3), and the lock nut (4) being connected to the first inner threaded sleeve (1), wherein the pitch of connecting threads (6) in the end where the outer threaded sleeve (3) is connected to the first inner threaded sleeve (1) and the second inner threaded sleeve (2) is different from the pitch of connecting threads (5) in the first inner threaded sleeve (1) and the second inner threaded sleeve (2). The mechanical connection device can prevent the exposure of the remaining threaded head of the reinforcing steel bar and improve the connection strength thereof.

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Номер записи: 9
16-05-2023 дата публикации

Database data cleaning method and device, electronic equipment and readable medium

Номер: CN116126842A
Автор: WANG KAIYU
Принадлежит:

The invention relates to a data cleaning method and device for a database, electronic equipment and a readable medium, and the method comprises the steps: obtaining message queue data in a message queue cluster; analyzing the message queue data to determine the data type of the message queue data; generating a target configuration file matched with the message queue data according to the data type and a service requirement of a service to which the message queue data belongs; and calling a cleaning thread to load the target configuration file, so that the cleaning thread performs data cleaning on the message queue data to obtain cleaned data. By customizing the target configuration file matched with the message queue data and the service requirements and then cleaning the data according to the target configuration file, the problem that the index combination cannot be quickly customized for the requirement types of different scenes is solved.

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Номер записи: 10
11-04-2023 дата публикации

TIMM9 mutant gene as well as primer, kit and method for detecting TIMM9 mutant gene and application of TIMM9 mutant gene

Номер: CN115948429A
Автор: WANG KAIYU, ZHENG FANG
Принадлежит:

The invention relates to a TIMM9 mutant gene as well as a primer, a kit and a method for detecting the TIMM9 mutant gene and application of the TIMM9 mutant gene. Compared with a human genome reference sequence GRCh37, the mutant TIMM9 gene has at least one of the following mutations: a basic group with the physical position of No.14 chromosome being 58878627 mutates from G to A, and a basic group with the physical position of No.14 chromosome being 58875812 mutates from A to C; compared with the sequence of SEQ ID NO.1, the cDNA (complementary deoxyribonucleic acid) sequence of the mutant TIMM9 gene has at least one of the following mutations: c.37Cgt; t, c.210 Tgt; g; according to the TIMM9 mutant gene, a reagent for detecting the TIMM9 mutant gene and the like provided by the invention, an LIMD pathogenic gene TIMM9 is excavated, and a TIMM9 mutant gene locus is provided, so that an important basis is provided for early molecular screening, family genetic research and the like of LIMD ...

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Номер записи: 11
22-02-2018 дата публикации

STEEL BAR TRANSVERSE STEPPING CONVEYING EQUIPMENT AND CONTROL METHOD

Номер: WO2018032932A1
Автор: WANG, Kaiyu
Принадлежит:

Provided is steel bar transverse stepping conveying equipment, comprising a base (1), and a front movable clamp area (2) and a rear fixed clamp area (3) arranged on the base. The front movable clamp area (2) and the rear fixed clamp area (3) are connected by a rear fixed clamp area connecting rail mechanism (4) for relative translation. Also disclosed is a method for controlling the steel bar transverse stepping conveying equipment. The steel bar transverse stepping conveying equipment is provided with a plurality of clamp mechanisms. A front movable clamp area clamp (5) clamps the steel bar and shifts to a next position step by step; then the steel bar is clamped by a rear fixed clamp area clamp (10); the front movable clamp area clamp (5) is released and returned to an original position; and the previous action is repeated until the stepping conveying of the steel bar is completed. The equipment is simple in structure, easy to operate, with accurate and efficient transport of a steel ...

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Номер записи: 12
22-06-2016 дата публикации

Column type membrane module casting device

Номер: CN0205326030U
Автор: HE TIEFENG, LI YI, WANG KAIYU, YANG QIAN, HU WENHAN, ZHANG CHANG'AN
Принадлежит:

... 本实用新型公开了一种柱式膜组件浇铸装置，该装置由加热板，拌胶罐，搅拌器，灌胶罐，膜组件固定架，膜组件托盘，工作台组成，其特征是：加热板安装在工作台上，搅拌器设置在加热板上方，灌胶罐安装在工作台上方，膜组件固定架设置在灌胶罐侧面工作台上方，膜组件托盘设置在膜组件固定架正下方工作台上。本实用新型的优点在于实现了自动加热和自动搅拌，在灌胶时也避免了胶水与人的接触。 ...

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Номер записи: 13
20-06-2023 дата публикации

Foam system for clastic rock oil reservoir and preparation method thereof

Номер: CN116265564A
Автор: ZHOU DAIYU, FAN JIAWEI, FAN KUN, GUO HONGBIN, GE JIJIANG, ZHANG TIANCI, ZHANG LIANG, ZHANG CHAO, WANG KAIYU, LIU ZIMING
Принадлежит:

The invention discloses a foam system for a clastic rock oil reservoir and a preparation method of the foam system. The foam system comprises the following components in percentage by mass: 0.4-0.8 wt% of a foaming agent, 0.2-1.0 wt% of a foam stabilizer and the balance of water, the foaming agent is formed by compounding short carbon chain hydroxysulfobetaine and long carbon chain hydroxysulfobetaine; the foam stabilizer is cross-linked polyvinyl alcohol particles. A compound of short/long carbon chain hydroxysulfobetaine is used as a foaming agent, and short carbon chain hydroxysulfobetaine in a compound system can be quickly adsorbed on a gas-liquid interface, is easy to foam and has a large foaming volume; the long-carbon-chain hydroxysulfobetaine has a long oleophylic group, so that the long-carbon-chain hydroxysulfobetaine has better foam stabilizing capability when adsorbed on a gas-liquid interface, and the long-carbon-chain hydroxysulfobetaine and the long-carbon-chain hydroxysulfobetaine ...

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Номер записи: 14
05-05-2023 дата публикации

TOMM7 mutant gene as well as primer, kit and method for detecting TOMM7 mutant gene and application of TOMM7 mutant gene

Номер: CN116064601A
Автор: WANG KAIYU, ZHENG FANG
Принадлежит:

The invention relates to a TOMM7 mutant gene as well as a primer, a kit and a method for detecting the TOMM7 mutant gene and application of the TOMM7 mutant gene. Compared with a human genome reference sequence GRCh37, the TOMM7 mutant gene has at least one of the following mutations: a basic group with the physical position 22862359 of a chromosome 7 mutates from G to A, and a basic group with the physical position 22857618 of the chromosome 7 mutates from C to T; compared with the sequence of SEQ ID NO.1, the cDNA (complementary deoxyribonucleic acid) sequence of the mutant TOMM7 gene has at least one of the following mutations: c.40Cgt; t, c.152 + 1Ggt; a; according to the TOMM7 mutant gene, the reagent for detecting the TOMM7 mutant gene and the like provided by the invention, an LIMD pathogenic gene TOMM7 is excavated, and a TOMM7 mutant gene locus is provided, so that an important basis is provided for early molecular screening, family genetic research and the like of LIMD.

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Номер записи: 15
27-07-2016 дата публикации

Chitin health care socks

Номер: CN0205390322U
Автор: WANG KAIYU, WANG LINMAO, GU CHUNYAN
Принадлежит:

... 本实用新型公开了甲壳素保健袜，袜口、袜筒、袜跟、袜面和袜底均采用甲壳素纤维和棉纤维编织而成，袜面的两侧边设置为网状结构，中间设置为弹性透气层，袜筒四周环形设置有内折叠且相互契合的凹陷和凸起，袜底是由两层甲壳素纤维铺设而成的中空夹层结构，中空夹层设置为可拆卸加厚垫，两层甲壳素纤维的侧边通过拉链连接，所述袜底的脚掌位置设置有哑铃型按摩垫。采用甲壳素纤维材料，具有环保、抗菌、防臭等功能，可以两用，夏天通过拉链在袜底位置取出加厚垫，起到散热性；冬天通过拉链在袜底位置安装加厚垫，起到保暖性；具有良好的按摩足底的健身效果，舒适与保健能同时兼顾，适用性广泛。 ...

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Номер записи: 16
06-07-2016 дата публикации

Blood cell separation bag leak hunting device

Номер: CN0205373974U
Автор: XU PENG, LI FEI, HU BO, WANG KAIYU
Принадлежит:

... 本实用新型提供一种血细胞分离袋检漏装置，包括夹具外壁(8)、夹具内壁(9)和底板(11)，所述夹具外壁(8)、夹具内壁(9)均固定连接在底板(11)同一侧，且由夹具外壁(8)与夹具内壁(9)之间的夹层空间形成环形容纳槽(10)，在夹具内壁(9)上开设第一卡口(16)、第二卡口(17)。在进行血细胞分离袋检漏时，直接将血细胞分离袋袋体安置在容纳槽中，血细胞分离袋两端的软管分别卡入第一卡口、第二卡口中，将检漏装置整体放入水槽中，通过血细胞分离袋上预留的、不封闭的软管引出口通入压缩空气，观察水槽中有无气泡溢出即可快速判定血细胞分离袋是否为合格品，不仅使用方便、安全，而且检漏效率高、检漏结果可靠。 ...

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Номер записи: 17
04-08-2023 дата публикации

Water flow experiment outlet water buffering method

Номер: CN116539125A
Автор: WU PENG, LI JUTAO, LIU YIZHI, FU CHAOBIN, LU YANG, ZHANG ZIKANG, LIU BIN, BAI HUI, WANG KAIYU, WEI LI
Принадлежит:

The invention discloses an outlet water buffering method for a water flow experiment. The method comprises the following steps: 1, constructing a water inlet bin; 2, constructing a primary surge bin; 3, constructing a final surge bin; 4, constructing a partition wall; 5, arranging a water inlet pipe and a water outlet pipe; 6, injecting the initial water amount; and 7, continuously discharging water from the pool. Water media are intervened through the water inlet bin, the primary buffering bin and the final buffering bin, the water inlet pipe directly faces the middle of the first partition wall, water flow is prevented from directly flowing to the final buffering bin, and the sum of the width of the partition wall and the width of the second partition wall is equal to the width between the initial side wall of the final buffering bin and the second side wall of the final buffering bin. When entering the final buffering bin through a channel between the second partition wall and the second ...

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Номер записи: 18
28-04-2023 дата публикации

Portable communication equipment

Номер: CN116033292A
Автор: ZHU ZONGZHI, GUO LIANYOU, WANG KAIYU
Принадлежит:

A portable communication device disclosed by the present invention comprises a communication device body and a box body, one side of the communication device body is provided with a dustproof mechanism, the bottom of the box body is provided with a mobile auxiliary mechanism, the dustproof mechanism comprises a dustproof net, and the front and back of one side of the communication device body are both provided with fixing grooves. And spring steel wires are fixedly connected between the two sides of the top of the inner wall of the fixing groove and the two sides of the bottom of the inner wall of the fixing groove, and springs are fixedly connected to the sides, away from each other, of the two spring steel wires. According to the portable communication equipment, the fixing rod is pulled out of the dustproof net to drive the protruding block to extrude the two spring steel wires, the spring steel wires are bent to extrude the spring, the protruding block penetrates through the two spring ...

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Номер записи: 19
02-05-2023 дата публикации

FFT multiplexing method, system and device based on ZYNQ-FPGA

Номер: CN116049612A
Автор: YANG KEJIAN, WANG KAIYU, ZHOU LE, ZHANG LIFEI
Принадлежит:

The invention relates to the technical field of chip calculation processing, and discloses a ZYNQ-FPGA-based FFT multiplexing method, system and device, and the key point of the technical scheme is that the method comprises the steps: obtaining original data and a channel selection sign signal; if the channel selection mark signal is a default signal, selecting the original data, and performing FFT calculation by using the first calculation configuration data to obtain first calculation result data; if the channel selection mark signal is a non-default signal, selecting multiplexing calculation input data, and performing FFT calculation by using multiplexing calculation configuration data to obtain multiplexing calculation result data; if the channel selection mark signal is a default signal, performing first storage processing on the first calculation result data; if the channel selection mark signal is a non-default signal, second storage processing is conducted on the multiplexing calculation ...

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Номер записи: 20
08-09-2017 дата публикации

A high-efficiency thread rolling device

Номер: CN0105537699B
Автор: 王开宇
Принадлежит:

... 种加工简单便捷、能够提高工作效率工作可靠性高以及滚丝长度控制精准的高效螺纹滚压装置。技术方案是：包括前端盖(2)、滑动套(3)、滚压头(4)、后端盖(5)、滚丝装置(18)和动力输入轴(9)，其特征是在所述滚丝装置(18)的滚轮架(19)下方的滑动套(3)的内侧面上设置有斜面凹槽(17)，在斜面凹槽(17)内设置有调整垫片(16)，在后端盖(5)的外侧设置有调整锁母(6)。 ...

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Номер записи: 21
08-06-2016 дата публикации

Be applied to protection device on high frequency heat -sealing machine

Номер: CN0205291567U
Автор: WANG KAIYU
Принадлежит:

... 本实用新型公开了种应用于高周波热合机上的保护装置，所述保护装置包括设置在热合机顶部沿热合口方向向外伸出的水平板，水平板面向操作人员的侧边设置有向内延伸的上曲面，热合机底部沿热合口方向设置有固定板，固定板上设置有向内延伸的下曲面。本实用新型的有益效果为：能够有效地保护工作人员远离热合口，避免了安全事故，对待热合膜袋进出热合口能起到定位辅助作用，方便操作，整个装置结构简单，安装方便。 ...

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Номер записи: 22
27-07-2016 дата публикации

Chitin health care adjustment type underwear

Номер: CN0205390343U
Автор: WANG KAIYU, WANG LINMAO, GU CHUNYAN
Принадлежит:

... 本实用新型公开了甲壳素保健调整型内衣，束身带、衣袖和衣身均采用甲壳素纤维和棉纤维交织而成，衣身的肩膀处设置有肩垫，肩垫从上到下依次为腈纶防皱层、弹性按摩层和甲壳素吸湿层，弹性按摩层为下表面镶嵌磁珠的氨纶，所述衣袖的腋窝处从内到外设置有除臭层和网状棉层，束身带和衣身的腰围处均设置有弹性拉伸带，拉伸带的内表面设置有层可拆卸的由凸起和凹陷交错而成的内衬，拉伸带的外表面通过单排甲壳素纤维压合弹性筋缝制而成。具有束身效果，对身体进行全面的调整和纠正，起到防皱、按摩、吸湿作用，能够促进腰部的血液循环，便于调节内衣的松紧和长度，甲壳素纤维制备的衣物具有抗菌、防臭等功能，可有效抗击静电，有益身心健康。 ...

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Номер записи: 23
08-08-2023 дата публикации

5G base station power supply system based on shared battery charging and replacing cabinet

Номер: CN116552315A
Автор: TIAN YE, WANG KAIYU, WANG HONGBO, HAN SHUWEN
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According to the 5G base station power supply system based on the shared charging and battery replacing cabinet, through cooperation between a distribution mechanism and a power supply bin, when a battery to be charged is put into a battery replacing sliding table, the battery replacing sliding table drives the battery to move to one side of the vacant power supply bin, at the moment, a distribution bag body on a corresponding left guide table is expanded, and the battery to be charged is charged; the battery is jacked by the distribution capsule on the left guide table, the linear module drives the left guide table to be far away from the right guide table, the flexible sliding strip sequentially moves in the second sliding groove and the first sliding groove, the battery is transmitted into the power supply bin, contact power supply of the power supply interface is kept, and at the moment, the distribution capsule on the left guide table is depressurized and contracted; according to the ...

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Номер записи: 24
23-05-2023 дата публикации

Surfactant, preparation method thereof and method for reducing minimum miscible pressure of natural gas

Номер: CN116144378A
Автор: CHANG LUNJIE, ZHOU DAIYU, WU CANGYUAN, LI YANG, FAN KUN, SHAO GUANGQIANG, KUANG XIYU, WU LIN, ZHANG LIANG, ZHANG CHAO, WANG KAIYU, FAN JIN
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The invention relates to a surfactant, a preparation method thereof and a method for reducing the minimum miscible pressure of natural gas, the surfactant is a solution formed by dissolving hesperiene in an organic solvent, and the method for reducing the minimum miscible pressure of the natural gas by using the surfactant comprises the following steps: injecting the surfactant into crude oil; carrying out a gas-oil interface tension test; the component proportion of the surfactant is adjusted according to a gas-oil interfacial tension test result, the interfacial tension of crude oil and natural gas is reduced, and finally the miscible pressure of a natural gas and crude oil system is reduced. The organic solvent in the surfactant is mainly used for dissolving hesperiene, polar components and macromolecular groups in crude oil can be extracted into a gas phase (methane or natural gas) through rich functional groups (-OH) and higher molecular weight (610g/mol) on the surface of the hesperiene ...

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Номер записи: 25