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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 11. Отображено 11.
11-09-2015 дата публикации

DNA POLYMERASE WITH CONTINUOUS SYNTHESIS CAPABILITY AND SALT TOLERANCE

Номер: WO2015131302A1
Автор: CHENG, Qi, ZHAI, Bing, CHOW, Joseph, LI, Xianzhen, LIU, Guoxian
Принадлежит:

Provided is a novel DNA polymerase with a continuous synthesis capability and salt tolerance. The DNA polymerase is a hybrid DNA polymerase which is prepared by inserting a thioredoxin binding structural domain from a T7 bacteriophage DNA polymerase into staphylococcus aureus DNA polymerase I (Sau), the amino acid sequence of the DNA polymerase is as shown in SEQ ID No.2, or an amino acid sequence which is formed by substitution or deletion or addition of one or more amino acids of the amino acid sequence is as shown in SEQ ID No.2 and has the same functions. Further provided are a gene encoding the protein, as well as a preparation method and a use of the protein.

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Номер записи: 1
12-03-2020 дата публикации

METHOD FOR PURIFYING AND CRYSTALLIZING LPOR PROTEIN AND USE THEREOF

Номер: WO2020048412A1
Автор: CHENG, Qi, SUN, Wen Li
Принадлежит:

Provided are a method for purifying and crystallizing the LPOR protein, by means of which method a protein and crystal with complete structures can be obtained. Also provided are the three-dimensional spatial structure and binding site of the LPOR protein, and the use of the protein.

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Номер записи: 2
09-06-2023 дата публикации

Safety detection device of hydrocyanic acid oxidation reactor and use method of safety detection device

Номер: CN116242545A
Автор: WANG JIANQIANG, LIU ZHAOYUAN, LI ZIJIAN, CHENG QI, WANG CHAOQUN
Принадлежит:

The invention relates to the field of chemical detection, in particular to a safety detection device of a hydrocyanic acid oxidation reactor and a use method of the safety detection device. The three-way valve is connected with the air guide pipe; the guide channel is used for guiding a product to enter a next process and comprises a shut-off valve and a material guide pipe; the sealing cavity and the hydrocyanic acid gas sensor are arranged at the communication part of the connecting pipe and the material guide pipe; the air guide pipe is communicated with the other outlet of the three-way valve; one end of the upper guide pipe is communicated with the other end of the air guide pipe; the guide pipe is arranged on the storage tank; the lower guide pipe is communicated with the lower through hole; the opening and closing parts are used for opening and closing the upper conduit and the lower conduit respectively. According to the invention, in the hydrocyanic acid production process, the ...

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Номер записи: 3
10-01-2019 дата публикации

METHOD FOR EXPRESSING NITROGENASE GENE IN EUKARYOTIC CELL

Номер: WO2019007177A1
Автор: CHENG, Qi, SUN, Wenli
Принадлежит:

Provided is a method for expressing a nitrogenase gene in an eukaryotic cell, comprising the following steps: 1) amplifying a nitrogenase gene fragment; 2) connecting the nitrogenase gene fragment to a virus transformation vector to construct a recombinant vector; 3) transfecting the eukaryotic cell by the recombinant vector constructed in step 2); and 4) screening a plant cell for expressing the nitrogenase gene. According to the present invention, the expression of the nitrogenase gene in a plant is implemented, thereby laying a foundation for autonomous nitrogen fixation of the plant.

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Номер записи: 4
30-06-2023 дата публикации

Machining machine tool mechanical screw chip removal structure

Номер: CN116352492A
Автор: XIE ZHENTAO, ZHAO ZUXI, XIONG GUOQIANG, CHENG QI, WANG HAOYUAN, ZHANG JIANCHEN
Принадлежит:

The invention discloses a machining machine tool mechanical screw chip removal structure which comprises a machine tool and a chip removal structure arranged in an inner cavity of the machine tool, the chip removal structure comprises a separation box and a guide-out rail fixed to the right side of the separation box, and a screw rotationally connected with a machine tool body is arranged in an inner cavity of the guide-out rail. And one side of the separating box is fixedly connected with a partition plate, and an inner cavity of the partition plate is rotationally connected with a rotating plate. According to the mechanical screw chip removal structure of the machining machine tool, by changing the installation position of the screw, the working efficiency of the screw can be well improved, the strength and precision of a machine tool body are both higher than those of an outer protective cover, deformation and abrasion are not likely to happen in the installation process, the failure ...

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Номер записи: 5
14-07-2023 дата публикации

Disassembling and assembling structure of outdoor advertising machine

Номер: CN116428465A
Автор: CHENG QI, LIANG JIANXIN
Принадлежит:

The invention discloses an outdoor advertising machine dismounting structure which comprises a base and an advertising machine body, a fixing device is fixedly connected to the interior of the base, a two-way lead screw is rotatably connected to the interior of the fixing device, moving blocks are in threaded connection with the two ends of the two-way lead screw, connecting rods are rotatably connected to the upper surfaces of the moving blocks, and a moving plate is slidably connected to the interior of the fixing device; the lower surface of the moving plate is rotationally connected with the lower surface of the connecting rod, a limiting plate is slidably connected into the fixator, a limiting rod is fixedly connected to one end of the limiting plate, a fixing seat is fixedly connected to the lower surface of the advertising machine body, a limiting hole is formed in the fixing seat, and the size of the limiting hole is matched with the size of the limiting rod; according to the advertising ...

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Номер записи: 6
07-07-2016 дата публикации

ANALOG-TO-DIGITAL CONVERTER PROTECTION CIRCUIT AND CONTROL METHOD THEREOF, AND CONTROLLER

Номер: WO2016106544A1
Автор: WEI, Qiwen, CHENG, Qi, LI, Weiguo
Принадлежит:

An analog-to-digital converter protection circuit and a control method thereof, and a controller. The analog-to-digital converter protection circuit comprises an analog switch, an analog-to-digital converter, a controller and a series circuit that is formed by connecting at least two resistors in series. The series circuit is used for converting a photocurrent into an analog voltage. The analog switch is used for outputting to the analog-to-digital converter an analog voltage obtained through sampling by a conduction sampling end, wherein a first sampling end is connected, as the conduction sampling end, to the output end of the analog switch. The analog-to-digital converter is used for generating a digital voltage. The controller is used for: outputting a control signal to the analog switch when the digital voltage is larger than or equal to a preset voltage threshold, so as to trigger the analog switch to control a second sampling end to be connected, as the conduction sampling end, to ...

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Номер записи: 7
23-06-2023 дата публикации

Rotary table machine

Номер: CN116276144A
Автор: WU XIAODONG, GONG DEHAI, XIE ZHENTAO, CHENG QI
Принадлежит:

The invention discloses a rotary table machine which comprises a base and a working table, a rotating shaft positioning cylinder and an orthogonal vertical driving structure are arranged on the base, a rotating shaft assembly is arranged in the rotating shaft positioning cylinder and provided with a rotatable main rotating shaft, and the main rotating shaft is connected with the working table and the orthogonal vertical driving structure. The orthogonal vertical driving structure can drive the workbench to rotate, and the rotation angle of the workbench can be accurately controlled by adopting the orthogonal vertical driving structure to drive the workbench to rotate. A lower mouse fluted disc is fixedly arranged at the top of the rotating shaft positioning cylinder, an upper mouse fluted disc is fixedly arranged at the bottom of the workbench, the workbench can be accurately positioned through mutual meshing of the upper mouse fluted disc and the lower mouse fluted disc, and the rotary ...

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Номер записи: 8
18-07-2023 дата публикации

Rapid virus nucleic acid detection kit prepared from novel RecA enzyme and detection method of rapid virus nucleic acid detection kit

Номер: CN116445452A
Автор: CHENG QI, WANG JINHUI, HU DONGJIE, CHEN JUN, DENG ZIXIN
Принадлежит:

The invention provides a rapid virus nucleic acid detection kit prepared by using a novel RecA enzyme and a detection method thereof, and by editing a recombinase RecA gene, the expressed RecA protein has better solubility and recombinase activity. The RecA protein is used for preparing recombinase dry powder, a formula and a proportional relation of the recombinase dry powder are further optimized, a specific primer is designed aiming at the ASFV P72 gene and is used for rapid nucleic acid detection of the African swine fever virus, the detection sensitivity is remarkably improved, the detection time is shorter, and therefore missing detection and error detection are effectively avoided, and epidemic situation diffusion is helped to be prevented.

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Номер записи: 9
27-06-2023 дата публикации

Integrated construction and installation structure and method for shaft concrete reinforcing plate and well seat

Номер: CN116335196A
Автор: NAN FEI, SHEN WEI, KWAK BO-SUNG, YANG JUNHONG, CHEN YANYUN, WANG HUI, ZOU YIBIAO, FENG ZEPU, CHENG QI
Принадлежит:

The invention discloses a shaft concrete reinforcing plate and well seat integrated construction and installation structure and method.The shaft concrete reinforcing plate and well seat integrated construction and installation structure comprises a reinforcing plate formwork and a shaft formwork arranged on the reinforcing plate formwork, and the reinforcing plate formwork is used for forming a first pouring cavity with the shaft formwork; the well seat template is used for forming a second pouring cavity with the shaft template; the first pouring cavity is communicated with the second pouring cavity to form a concrete integrated structure, and the concrete integrated structure comprises a reinforcing plate and a well seat arranged on the reinforcing plate. According to the installation structure, the multiple formworks are spliced and fixed to form the installation structure, the pouring material is poured in the preset positions of the formworks, an integrated structure of the reinforcing ...

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Номер записи: 10
25-04-2023 дата публикации

Method for quickly repairing penetrating cracks of large-section georain water tank culvert

Номер: CN116005704A
Автор: KWAK BO-SUNG, SHEN WEI, CHEN YANYUN, WANG HUI, DUAN WEIXU, YANG JUNHONG, ZOU YIBIAO, FENG ZEPU, CHENG QI, LI XIAOFEI
Принадлежит:

The invention relates to a large-section georain water tank culvert penetrating crack rapid repairing method which comprises the steps that firstly, a cctv detection robot is adopted to find a crack part on a box culvert, and then the corresponding ground position above the crack part of the box culvert is determined; three grouting pipes are welded to the inner wall of a Larsen steel sheet pile in the longitudinal direction, the steel sheet pile is inserted and driven on the ground along the crack position of the box culvert and tightly attached to the outer wall of the box culvert, high-pressure water is injected into a soil layer through one grouting pipe while inserting and driving are conducted, wall back filling soil in a U-shaped notch of the steel sheet pile is impacted into slurry, and meanwhile the slurry is discharged through the other two grouting pipes. The steel sheet piles are inserted into the box culvert blade feet; and finally, cement paste is injected into the holes through ...

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Номер записи: 11