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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.
01-08-2023 дата публикации

Top plate directional kerf blast hole plugging auxiliary device and plugging method

Номер: CN116518810A
Автор: WANG HAOSEN, XUE QIN, LI YANWEI, SONG GUANGHUI, HOU JIANDONG, WANG BOTAO, LI YAYUN
Принадлежит:

The invention belongs to the technical field of engineering blasting, and particularly relates to a top plate directional kerf blast hole plugging auxiliary device and a plugging method. The blocking auxiliary device is of a cylindrical structure formed by rolling the two ends of a flexible plate which are not connected, cylinder openings in the two sides of the cylindrical structure are communicated, protruding parts used for being combined with the hole wall of a blast hole are distributed on the outer wall of the cylindrical structure, and through holes communicating the interior and the exterior of a cylinder are distributed in the cylindrical structure. During hole sealing, the auxiliary device for blocking the blast hole with the directional kerf of the top plate is firstly inserted into the blast hole according to the designed hole sealing length, then a constructor plugs cylindrical stemming machined by a stemming machine into the auxiliary device for blocking the blast hole, and ...

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Номер записи: 1
09-06-2023 дата публикации

Data desensitization method, device and equipment and computer readable medium

Номер: CN116244327A
Автор: MENG XIANWEN, LI YANWEI, ZHANG QIANG, SUN YUHAN, ZHENG LONGFEI, GU FENGSHOU, DAI DONGZHE
Принадлежит:

The invention discloses a data desensitization method, device and equipment and a computer readable medium, and relates to the technical field of computers. A specific embodiment of the method comprises the following steps: acquiring description information of a database and description information of a data table from a Hive metadatabase according to a user identifier in an SQL abstract syntax tree so as to screen out a sensitive data column; analyzing desensitization configuration information corresponding to a user identifier obtained from the Hive metadatabase to obtain a desensitization algorithm, and integrating the desensitization algorithm into description information of a data column in the SQL abstract syntax tree; and for the sensitive data column, generating a desensitization clause according to a desensitization algorithm in the description information of the data column in the SQL abstract syntax tree, and embedding the desensitization clause into an execution plan tree of ...

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Номер записи: 2
14-04-2023 дата публикации

Low-consistency cement paste suitable for well cementation as well as preparation method and application of low-consistency cement paste

Номер: CN115960590A
Автор: LI ZUPING, LIU HUIBIN, LI YANWEI, LIAO KUN, XUE FEI, FAN CHAO, WANG YANQING, JIANG HAITAO, LIU HONGBIN, CAO YANGXIN, SHI HONGCHUAN, ZHANG YAN, ZHANG LIHUA
Принадлежит:

The invention discloses low-consistency cement paste suitable for well cementation and a preparation method and application of the low-consistency cement paste suitable for well cementation, and raw materials of the cement paste comprise the following components in parts by mass: 100 parts of cement; 0.5 to 1.5 parts of a drag reducer; 35 to 44 parts of water; wherein the drag reducer comprises sodium poly [(naphthaleneformaldehyde) sulfonate], a polycarboxylic acid water reducer and a sulfonated acetone formaldehyde polycondensate; wherein the mass ratio of the sodium poly [(naphthaleneformaldehyde) sulfonate] to the polycarboxylate superplasticizer to the sulfonated acetone formaldehyde polycondensate is 1: (2-4): (5-8). Through improvement of the drag reducer, the initial consistency of the cement paste is within 10 Bc, and the cement paste has good fluidity and is especially suitable for well cementation construction of slim holes with small annulus clearance, low casing centering degree ...

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Номер записи: 3
08-08-2023 дата публикации

Well annulus flowing pressure drop detection method, device and equipment and storage medium

Номер: CN116556861A
Автор: WU BO, LI YANWEI, LEI YONGGANG, LI ZUPING, CHENG XIAOMING, CHEN CHAO, ZHANG LI, TAN HUAXIN, ZHENG SHUANGJIN, MA XUELEI, MA HONGJIE, XUE YANBIAO, ZHANG WEI, LI RUILONG
Принадлежит:

The invention discloses a borehole annulus flow pressure drop detection method, device and equipment and a storage medium, and the method comprises the steps: carrying out the fitting of the obtained series data of the electrical logging diameter of a to-be-measured well, processing an irregular diameter-expanded well section into a to-be-measured arc-shaped concave surface borehole, and obtaining the maximum borehole diameter and concave surface height of the to-be-measured arc-shaped concave surface borehole; according to the maximum hole diameter of the to-be-measured arc-shaped concave surface well hole and the pre-obtained drill bit diameter of the to-be-measured well, the hole diameter expansion coefficient of the to-be-measured arc-shaped concave surface well hole is determined; inputting the well diameter expansion coefficient of the to-be-measured arc-shaped concave surface well, the concave surface height of the to-be-measured arc-shaped concave surface well and the well drilling ...

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Номер записи: 4
30-06-2023 дата публикации

Adjustable optical lens base

Номер: CN116360062A
Автор: YIN LONGHAI, LI JUNCHI, LI XIN, LI YANWEI, HUANG HE, XIE XINWANG, ZHOU YULE
Принадлежит:

The invention belongs to the technical field of optical systems, and discloses an adjustable optical lens base which comprises a support, a main lens base, a universal hinge piece, an elastic supporting rod and two adjusting screw rods. A reflecting mirror is arranged on the front surface of the primary mirror base, and the back surface is hinged with the support through a universal hinge piece; the two adjusting screw rods and the elastic supporting rod are arranged on the support in a triangular arrangement mode, and the universal hinge piece is arranged in the triangle; the tail end of the adjusting screw rod is connected with the back surface of the primary mirror base and is used for adjusting the angle of the primary mirror base; the tail end of the elastic supporting rod abuts against the back face of the primary mirror base and is used for providing elastic supporting reaction force for the primary mirror base. The universal hinge piece comprises a ball socket piece, a ball head ...

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Номер записи: 5
18-04-2023 дата публикации

Substitution doping modification method of lithium nickelate positive electrode material

Номер: CN115974176A
Автор: YANG JIANWEN, WU JINMEI, ZHENG JIAWEI, WANG MENGWEN, LI SHENGXIAN, HUANG BIN, CHEN QUANQI, LI YANWEI, XIAO SHUNHUA, JIANG JIQIONG
Принадлежит:

The invention discloses a chemical doping modification method of a lithium nickelate positive electrode material. A small amount of aluminum and titanium elements are used for replacing part of nickel elements in lithium nickelate at the same time, and the doped modified lithium nickelate-based positive electrode material LiNi0. 95AlxTiyO2 (wherein x is larger than or equal to 0 and smaller than or equal to 0.05, y is larger than or equal to 0 and smaller than or equal to 0.05, and x + y is equal to 0.05) with the characteristics of high phase purity of an alpha-NaFeO2 type layered structure, small Li < + >/Ni < 2 + > cation mixing degree, excellent electrochemical performance and the like is prepared. The initial discharge specific capacity of the material under the current rate of 0.1 C can reach 223 mAh/g, and the coulombic efficiency is greater than 81%; at 25 DEG C, the 1C current rate discharge specific capacity is greater than 207mAh/g, the specific capacity is greater than 150mAh ...

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Номер записи: 6
02-05-2023 дата публикации

Application of NSC228155 in preparation of medicine for preventing and treating sepsis-related acute heart injury

Номер: CN116036082A
Автор: YOU RAN, JIA ZHANJUN, ZHANG YUE, WU MENGQIU, LI YANWEI, JIANG YUTENG
Принадлежит:

The invention discloses application of NSC228155 to preparation of a medicine for preventing and treating sepsis-related acute heart injury, and particularly relates to application of NSC228155 to treatment of acute heart injury by protecting myocardial cells, improving cardiac insufficiency and inhibiting inflammation. The NSC228155 effectively recovers the left ventricular function of an LPS model mouse, improves the cardiac insufficiency of the mouse, reduces the myocardial zymogram serum level and inhibits inflammatory response; and dysfunction and myocardial injury are effectively prevented and treated in human myocardial organs. Therefore, the purpose of preventing and treating acute heart injury related to sepsis is achieved.

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Номер записи: 7
27-07-2016 дата публикации

Deep water negative pressure desilting system

Номер: CN0205399531U
Автор: CHEN JUNBIAN, LI YANWEI, WANG ZHONGYU, LIU KUIHUA, YAO YUNQI
Принадлежит:

... 本实用新型涉及种深水负压清淤系统，包括：清淤管，所述清淤管设置于水中，其顶端与输出管道连通，其底端设置于水中待清淤部位；供气管，所述供气管安装于清淤管侧，供气管的顶端通过风管与空压机连接，其底端设有与供气管连通的供气筒，且所述供气筒与清淤管连通。本实用新型的优越效果在于：通过所述深水负压清淤系统能达到水下清淤的目的，施工简单，不仅能够在环保无污染的要求下清理水库底部的悬移质和推移质，同时能够通过改变清淤管的管径和端头的过滤网的孔径达到不同粒径石料的清理作用，应用于不同粒径的水下砂石开采，克服了现有技术中清淤设备简陋、操作工艺繁琐的问题。 ...

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Номер записи: 8
22-08-2023 дата публикации

Water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating as well as preparation method and application of water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating

Номер: CN116622289A
Автор: DU KENAN, LI BINGRU, LI YANYANG, LUO YINGYING, REN TAOZHE, WU JING, LI YUNLONG, WANG SHUAICHAO, WANG WEI, SONG KUNLUN, LYU FENGYING, LIU ZHENGJIE, ZHENG XUEQIN, XING YUBO, WANG YU, WANG XIHUA, LI YANWEI, CHENG LONGTAO, ZHENG TIANMIN
Принадлежит:

The invention provides a water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating and a preparation method and application thereof, and particularly relates to the technical field of chemical materials, the water-resistant bonding type spraying quick-setting liquid rubber waterproof composite coating is composed of a first coating and a second coating; wherein the first coating is prepared by mixing 30 to 60 parts by weight of modified emulsified asphalt, 30 to 60 parts by weight of polymer emulsion, 3 to 10 parts by weight of tackifying resin, 5 to 30 parts by weight of filler, 0.5 to 2.0 parts by weight of a defoaming agent and 0.5 to 3.0 parts by weight of a thickening agent; the second coating is prepared by mixing 20 to 70 parts of modified emulsified asphalt, 30 to 70 parts of latex, 10 to 50 parts of slurry, 0.5 to 2.0 parts of a defoaming agent, 0.5 to 3.0 parts of a stabilizer, 0.5 to 2.0 parts of an ultraviolet-resistant auxiliary agent, 1 ...

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Номер записи: 9
07-07-2023 дата публикации

Method for improving abrasion resistance of surface of aluminum material

Номер: CN116397296A
Автор: ZHOU HAIFEI, LI FENGRUI, ZHOU ZHENGQIANG, LU WEI, MAO XINGUO, MIAO YAOJUN, CHI YIMING, WANG SHUAIXING, ZHANG XINFANG, ZHOU QIONG, ZHOU YUTONG, XIE HUIFEN, TANG HANBO, LI YANWEI, WEN XIAOHAN
Принадлежит:

The invention discloses a method for improving the abrasion resistance of the surface of an aluminum material. According to the technical scheme, the method comprises the steps that a solution system containing first particles is prepared, the solution system containing the first particles is used for conducting micro-arc oxidation treatment on the surface of a sample, the composite micro-arc oxidation film is formed, and the composite micro-arc oxidation film comprises the micro-arc oxidation film formed on the surface of the sample and the first particles dispersed in the micro-arc oxidation film; the particle size of the first particles is slightly larger than the diameter of holes of the micro-arc oxidation film, and the first particles have the same components as the micro-arc oxidation film; and laser treatment: presetting second particles on the surface of the composite micro-arc oxidation film of the obtained sample to form a ceramic powder film, and carrying out laser treatment ...

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Номер записи: 10
11-08-2023 дата публикации

Reflector processing analysis method and device, electronic equipment and storage medium

Номер: CN116579183A
Автор: LI JUNCHI, YIN LONGHAI, HUANG HE, XIE XINWANG, ZHENG ZHONG, LI YANWEI, ZHANG BINZHI
Принадлежит:

The invention belongs to the technical field of reflector machining, and discloses a reflector machining analysis method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining the first structure data of a reflector and the second structure data of an auxiliary support ring, constructing a corresponding reflector model and a support ring model, and according to a preset ultimate compression resistance threshold value, obtaining a corresponding support ring model; adjusting the tool machining torque of the reflector model, determining the machining stress of the reflector, and calculating the mirror surface frequency of the reflector and the thickness of the corresponding auxiliary support ring through an auxiliary support method based on the reflector model and the support ring model in combination with a preset resonant frequency range. The processing stress of the reflecting mirror, the mirror surface frequency of the reflecting mirror and ...

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Номер записи: 11
23-06-2023 дата публикации

Database communication method and device, equipment and storage medium

Номер: CN116303365A
Автор: SUN YUHAN, LI YANWEI, ZHANG QIANG, MENG XIANWEN, ZHENG LONGFEI, DAI DONGZHE, GU FENGSHOU
Принадлежит:

The invention discloses a database communication method and device, equipment and a storage medium. The method comprises the steps of intercepting a to-be-received processing statement of a target component, wherein the processing statement is output by an output component; setting keywords in the processing statement are determined, a processing strategy corresponding to the setting keywords is determined in a target configuration file, and the target configuration file comprises the setting keywords and the processing strategy corresponding to the setting keywords; under the condition that the processing strategy comprises a database modification strategy, modifying corresponding configuration information in a database corresponding to the target component according to the database modification strategy; and releasing the processing statement, so that the processing statement is sent to the target component, and the target component executes the processing statement based on the modified ...

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Номер записи: 12
08-08-2023 дата публикации

Method and device for determining rheological parameters of cement paste, electronic equipment and storage medium

Номер: CN116561950A
Автор: CHEN CHAO, LI YANWEI, LIU HUIBIN, XU JUNHAO, YANG YAXIN, HAN YE, ZHANG LIHUA, WANG TING, REN LIHUA, JIANG HAITAO, WANG YANQING, CHEN YONGDI, SONG LINING, XIAO SHUWANG
Принадлежит:

According to the cement slurry rheological parameter determination method and device, the electronic equipment and the storage medium provided by the invention, the measurement data of the cement slurry is acquired, and the linear function and the correlation coefficient corresponding to the Bingham mode are determined by performing regression analysis based on the shear rate and the shear stress; performing regression analysis based on the shear rate after logarithm taking and the shear stress after logarithm taking to determine a linear function and a correlation coefficient corresponding to the power law mode; according to the method, the target mode of the cement paste is determined on the basis of the correlation coefficient corresponding to the Bingham mode and the correlation coefficient corresponding to the power law mode, rapid judgment based on the Bingham mode and the power law mode is achieved, then the rheological parameters of the cement paste are determined on the basis of ...

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Номер записи: 13
18-07-2023 дата публикации

Rectangular-section slide-resistant pile rotary excavating mechanical hole-forming construction method

Номер: CN116446784A
Автор: SU SHIFU, WU HEQING, LI XUKUN, AO TINGPENG, HU JIANQUAN, LI YANWEI, ZHOU PISHAN, YANG CHUNRONG, ZHANG TIANRONG, GUO SIHAI, LI XUJIANG, YANG MINGCHUAN
Принадлежит:

The invention discloses a rotary excavating mechanical hole-forming construction method for a slide-resistant pile with a rectangular section, and relates to the field of slide-resistant pile construction. The method comprises the steps of site leveling, surveying and setting out, fore shaft construction, pile hole drilling and pile hole acceptance inspection. Compared with the traditional hole-forming sequence of digging the peripheral holes and then digging the right center holes, the hole-forming sequence of digging the side center holes and then digging the peripheral holes has the advantages that the digging section is more regular, and the residual to-be-cleaned soil body after drilling is greatly reduced; meanwhile, the formed section is regular and not prone to collapse, and a protection wall does not need to be constructed.

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Номер записи: 14
13-04-2021 дата публикации

Foldable glass transportation frame

Номер: CN212953055U
Автор: AN HUAFENG, ZHAO YUNKE, LI YANWEI, HUANG CHENGUANG, YANG GUOQIANG, ZHANG HONG, ZONG DINGJIANG, XU JUNHUI, YU GUOXIA, 安华峰, 赵运轲, 李延伟, 黄晨光, 杨国强, 张红, 宗定江, 徐军辉, 余国霞
Принадлежит: HENAN PENGXI GLASS CO LTD, HENAN PENGXI GLASS CO., LTD., 河南鹏熙玻璃有限公司

A foldable glass transportation frame relates to the field of glass transportation and comprises a base, a vertical plate is fixed to one end of the base, a groove is formed in the upper end face of the base, a rectangular cavity is hinged into the groove, a screw is rotatably connected into the rectangular cavity, the end of the screw penetrates through the rectangular cavity and is connected with a rotating handle, and a moving block is connected to the screw through threads. The left side face and the right side face of the moving block are both connected with moving rods, the moving rods penetrate through long-strip-shaped holes in the side wall of the rectangular cavity and are connected with vertical rods, the top ends of the two vertical rods are connected with a moving clamping plate, and an L-shaped jacking plate is hinged to the top of the side face, close to the rectangular cavity, of the vertical plate. The movable clamping plate can fix the glass, so that the glass is not easy ...

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Номер записи: 15