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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.
23-06-2023 дата публикации

Preparation method of stable isotope labeled amifostine metabolite

Номер: CN116283682A
Автор: ZHANG HAILIN, MA TENG, HU YONGZHU, ZHANG CHI, WEI CHANGQING
Принадлежит:

The invention discloses a preparation method of a stable isotope labeled amifostine metabolite, which comprises the following steps: by taking a compound A as an initial raw material, firstly preparing the compound A into an active ester compound B, then reacting with a compound C to obtain an intermediate compound D through substitution reaction, and then sequentially carrying out alkali and acid deprotection to obtain the stable isotope labeled amifostine metabolite. Finally, the stable isotope labeled amifostine metabolite is obtained. The whole route is reasonable in design, post-treatment is simple, and raw materials are easy to obtain; the purity of the prepared target product can reach 99.0% or above, the deuterium abundance is 99.0% or above, the method can be used for pharmacokinetic research, a test sample is provided for research of the metabolic mechanism of amifostine, and the method has important application value.

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Номер записи: 1
02-06-2023 дата публикации

Preparation method of terbutaline metabolite

Номер: CN116199596A
Автор: ZHANG SHUAI, HU YONGZHU, ZHANG CHI, LIU CHUN, LI JUN
Принадлежит:

The invention discloses a terbutaline metabolite preparation method, which comprises: (1) dissolving a raw material A in an organic solvent, adding an alkali, adding a raw material B, and carrying out a substitution reaction to obtain an intermediate product C; (2) dissolving the intermediate C in an organic solvent, then adding a reducing agent, and carrying out reduction reaction and carbonyl reduction to obtain an intermediate product D; (3) dissolving the intermediate product D in a solvent, performing deprotection reaction, and removing protecting groups X and R on hydroxyl to obtain a target product terbutaline metabolite E; according to the method, cheap raw materials are adopted, three-step reaction is carried out, the reaction condition is mild, the yield is high, the chemical purity of the obtained product E can reach 98.5% or above, and the method has great application research value in the metabolic process of terbutaline in organisms and in clinical pharmacokinetic research ...

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Номер записи: 2
22-08-2023 дата публикации

Battery piece and photovoltaic module

Номер: CN116632075A
Автор: CHEN ZHENDONG, WANG LUCHUANG, TAO WUSONG, ZHANG CHI
Принадлежит:

The embodiment of the invention relates to the field of photovoltaic cells, and provides a cell piece and a photovoltaic module. The passivation layer covers the surface of the substrate; the plurality of grid line groups are arranged in the second direction, each grid line group in the plurality of grid line groups comprises at least three first grid lines which are arranged at intervals in the second direction, each first grid line in the at least three first grid lines extends in the first direction, and the first grid lines are located in the passivation layer and penetrate through the passivation layer; each grid line group further comprises a plurality of shunting lines which are arranged at intervals in the first direction, each shunting line in the plurality of shunting lines extends in the second direction, the shunting line is in electric contact with each first grid line in the grid line group, and the shunting lines are used for being connected with a welding strip. The battery ...

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Номер записи: 3
22-08-2023 дата публикации

Sealing support, sealing structure, motor cooling assembly and driving assembly

Номер: CN116633082A
Автор: ZHANG CHI, SHI JIA
Принадлежит:

The embodiment of the invention discloses a sealing support, a sealing structure, a motor cooling assembly and a driving assembly. The sealing support is of a disc-shaped structure with an internal through groove. The support oil seal is arranged in the internal through groove. The sealing structure is matched with an existing motor structure through the sealing support of a disc-shaped structure, and the sealing effect is improved through the support oil seal, so that a good sealing cavity can be formed, the purpose of preventing oil from entering an air gap of a stator and a rotor is achieved, great oil stirring resistance caused after the oil enters the air gap is avoided, and the service life of the motor is prolonged. And the phenomenon that the motor efficiency is seriously influenced is avoided. According to the motor cooling assembly, the oil immersion cooling cavity and the spray cooling cavity are formed through separation of the sealing support, so that one end of the winding ...

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Номер записи: 4
28-07-2023 дата публикации

Photovoltaic module, preparation method thereof and series welding equipment

Номер: CN116504874A
Автор: GUO ZHIQIU, ZHANG CHI, SHI JIALE, CHEN ZHENDONG, TAO WUSONG, WU YUHAO, HAO GUOHUI, HUANG SHILIANG
Принадлежит:

The invention discloses a photovoltaic module and a preparation method and series welding equipment thereof, and the preparation method comprises the steps: providing a plurality of battery pieces, each battery piece comprises a plurality of grid line structures, and the battery pieces comprise a first battery piece and a second battery piece; connecting parts are arranged on the surfaces of the first battery piece and the second battery piece, and the connecting parts intersect with the grid line structures; welding treatment is conducted, the welding treatment is used for making alloy contact in part of the intersection area, and the intersection area is the area where one connecting part intersects with one grid line structure of the multiple grid line structures; setting at least one positioning point, wherein each positioning point is positioned on one side, far away from the grid line structure, of the connecting part and on the surface of the battery piece corresponding to the connecting ...

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Номер записи: 5
18-07-2023 дата публикации

Drainage and drainage method for strong aquifer of mine

Номер: CN116446946A
Автор: JI ZHONGKUI, HU JIAN, CHEN PAN, YANG FAN, XUE XIAOYUAN, ZHANG CHI, HAN QIANG, REN ZHIZHI, WANG HAI, HE XIAOZHONG
Принадлежит:

The invention discloses a drainage method for a strong aquifer of a mine. The drainage method comprises the steps that firstly, the position and a drilling structure of a vertical large-diameter drainage well are determined; 2, excavating the vertical well under a strong aquifer bottom plate through casing-following drilling; 3, a water filtering sleeve is manufactured; fourthly, a water filtering sleeve is put down, and a grouting pipe is arranged; 5-7, gravel filling, grouting and well cementation are conducted; 8, an air bag is put down and inflated; ninthly, the position of the long-distance near horizontal well is determined; 10, a horizontal well hole guiding section and a horizontal well drainage section are excavated; eleventhly, the horizontal well casing pipe is dragged back; 12, the air bag is taken out; 13, the horizontal well casing pipe in the vertical well is cut off; step 14, salvaging sediment; and (15) opening the drainage section of the horizontal well. According to the ...

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Номер записи: 6
28-04-2023 дата публикации

Transient electromagnetic method low signal-to-noise ratio observation data standard deviation estimation method and system

Номер: CN116027439A
Автор: HU JIAN, YANG FAN, ZHANG CHI, REN ZHIZHI, GAO XIAOWEI, PANG SHAODONG, LI WENGANG, YAO WEIHUA, GUO HENG, LI JIANHUI
Принадлежит:

The invention provides a transient electromagnetic method low signal-to-noise ratio observation data standard deviation estimation method and system, and belongs to the field of electromagnetic method detection.The method comprises the steps that a attenuation curve of transient electromagnetic method observation data along with time is drawn in a double logarithmic coordinate system, and low signal-to-noise ratio observation data, the number of fitting segments and the number of observation data to be fitted are determined; converting the observation data to be fitted into a logarithm domain; constructing a deviation sum of squares equation between the linear fitting function of the logarithm domain and the observation data to be fitted of the logarithm domain; solving a least square fitting function of the deviation quadratic sum equation; calculating a least square fitting function linear domain numerical value at an observation moment in a certain fitting segment, and taking a deviation ...

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Номер записи: 7
09-06-2023 дата публикации

Cooling motor

Номер: CN116247840A
Автор: ZHANG CHI, SHI JIA
Принадлежит:

The invention provides a cooling motor which is characterized in that a shell body of the cooling motor sleeves the periphery of a stator iron core, the inner side wall of the shell body is in close contact with the outer side wall of the stator iron core, an oil inlet is formed in the shell body, and an annular distribution groove is formed in the contact part of the shell body and the stator iron core; an oil channel is arranged in the side wall of the shell body so that the annular distribution groove can be communicated with the oil inlet, a plurality of axial oil grooves which are evenly distributed are further formed in the side periphery of the stator iron core, the axial oil grooves are communicated with the annular distribution groove, a plurality of small oil injection holes which are evenly distributed are formed in the end faces of the two ends of the stator iron core in the circumferential direction, and the small oil injection holes are communicated with the axial oil grooves ...

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Номер записи: 8
23-06-2023 дата публикации

Buffer fusion parallel method and device based on R-tree continuous index

Номер: CN116303260A
Автор: ZHANG CHI, WANG YUXIANG, LIU HUIAN, WANG TAO
Принадлежит:

The invention provides a buffer region fusion parallel method and device based on R-tree continuous indexing, and relates to the technical field of data processing, and the method comprises the steps: obtaining a to-be-processed vector layer, constructing buffer regions of geometric figures of all elements in the to-be-processed vector layer, and obtaining an initial buffer region set and an ID set of the initial buffer region set; constructing an R tree index based on the initial buffer area set and the ID set of the initial buffer area set; based on the R tree index, target buffer area sets corresponding to all the initial buffer areas in the initial buffer area sets are determined in parallel, and the target buffer area sets comprise the initial buffer areas corresponding to all the initial buffer areas; and performing union processing on the buffer areas in the target buffer area set corresponding to each initial buffer area to obtain a buffer area fusion result of the to-be-processed ...

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Номер записи: 9
06-06-2023 дата публикации

Photovoltaic module and preparation method thereof

Номер: CN116230793A
Автор: HAO GUOHUI, HUANG SHILIANG, GUO ZHIQIU, LIU LIQIN, ZHANG CHI
Принадлежит:

The embodiment of the invention relates to the field of photovoltaic technology, and provides a photovoltaic module and a preparation method thereof, and the photovoltaic module comprises a plurality of battery pieces, the surface of each battery piece is provided with a plurality of grid lines; the connecting parts are located on the surfaces of the battery pieces, the connecting parts are connected with the adjacent battery pieces respectively, and the parts, located on the grid lines, of the connecting parts are in contact connection with the adjacent parts of the grid lines; the packaging layer covers the surface of the battery piece and the surface of the connecting part, the packaging layer comprises a first packaging layer and a second packaging layer which are sequentially arranged in the direction away from the battery piece, and the mobility of the first packaging layer is smaller than that of the second packaging layer. The embodiment of the invention is at least beneficial to ...

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Номер записи: 10
07-04-2023 дата публикации

Emergency auxiliary braking system

Номер: CN115923732A
Автор: ZHANG GAOPING, ZUO ZHENYONG, HOU LONGHUI, ZHANG CHI
Принадлежит:

The invention discloses an emergency auxiliary braking system, and relates to the technical field of braking, the emergency auxiliary braking system comprises a braking shell fixed on a vehicle body, a winch assembly is arranged on the braking shell, the winch assembly is connected with a traction piece, and the winch assembly is connected with a brake pad assembly outside the braking shell through the traction piece; a plurality of buffering and energy absorbing units are sequentially arranged on the traction piece and are all located in the brake shell; a releasing and recycling assembly is arranged on the vehicle body and connected with the brake pad assembly in a matched mode. The energy absorption buffering units are arranged on the traction rope and can slide on the traction piece during braking, buffering is generated between the buffering pad assembly connected with the pulled piece and the braking shell, the multiple combined buffering effect can be achieved by arranging the multiple ...

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Номер записи: 11
02-06-2023 дата публикации

Photovoltaic module and preparation method thereof

Номер: CN116207172A
Автор: HAO GUOHUI, HUANG SHILIANG, GUO ZHIQIU, LIU LIQIN, ZHANG CHI
Принадлежит:

The embodiment of the invention relates to the field of photovoltaic technology, and provides a photovoltaic module and a preparation method thereof, and the photovoltaic module comprises a plurality of battery pieces, the surface of each battery piece is provided with a plurality of grid lines; the connecting parts are located on the surfaces of the battery pieces, the connecting parts are connected with the adjacent battery pieces respectively, and the parts, located on the grid lines, of the connecting parts are in contact connection with the adjacent parts of the grid lines; the packaging layer covers the surface of the battery piece and the surface of the connecting part, and the packaging layer at least comprises a first packaging layer, a second packaging layer and a third packaging layer which are sequentially arranged in the direction away from the battery piece, the flowability of the third packaging layer, the flowability of the second packaging layer and the flowability of the ...

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Номер записи: 12
18-04-2023 дата публикации

Relocation method and device for boot loader firmware, equipment and medium

Номер: CN115981741A
Автор: WU QIANHAI, WANG YULONG, ZHANG CHI
Принадлежит:

The invention provides a repositioning method and device for boot loader firmware, equipment and a medium. The method comprises the steps that a second electronic device preprocesses initial U-Boot firmware to obtain target U-Boot firmware; after a processor of the first electronic equipment receives an external starting instruction, target U-Boot firmware is started in a memory so as to execute initialization operation. And the processor performs memory address relocation processing on the global offset table and the immediate data relocation stack corresponding to the target U-Boot firmware to obtain the relocated target U-Boot firmware. And the processor runs the target U-Boot firmware in the memory space, and carries out positioning jump according to target information recorded by the target U-Boot firmware, so that an operating system carried by the first electronic equipment is guided to be started. According to the method provided by the invention, the code relocation of the U-Boot ...

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Номер записи: 13
25-04-2023 дата публикации

Weed killer for weed control and plant protection and accurate time control method

Номер: CN115997767A
Автор: DING HAIBING, TAO GUANGPING, WEI RUHUI, ZHAO XINGLI, LUO LINLI, HE SHENGLING, YAO MINGYONG, CAI LU, ZENG XIANHAO, LI JIE, ZHANG CHI, LIU CONGCONG
Принадлежит:

The invention belongs to the technical field of weed control, and discloses a weed control plant protection herbicide and a precise time control method. According to the weed information acquisition method, the target weed acquisition area is determined by using the two survey rulers, and the target weed image information in the acquisition area is acquired by using the image acquisition device, so that the basic information of the target weed is determined; the determined target weed image information and basic information are uploaded to a target weed information acquisition server, so that the acquired target weed information is shared in time, and the acquisition process of the target weed information is simple and high in efficiency; meanwhile, the modified tertiary imine is mixed with the ethanol in a manner of dropwise adding the modified tertiary imine through the preparation method of the butachlor, and when a technician adopts the manner of adding the modified tertiary imine, ...

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Номер записи: 14
12-09-2017 дата публикации

A nano-gold star/molybdenum disulfide composite material preparation method and application thereof

Номер: CN0105436514B
Автор: 苏邵, 汪联辉, 张池, 邹敏
Принадлежит:

... 本发明公开了种金纳米星/二硫化钼复合材料的制备方法及其应用，方法为：将二硫化钼种子溶液和氯金酸溶液混合，经原位生长、提纯得到金纳米星/二硫化钼复合材料。优点为：（1）制备获得的复合材料具有多枝状星形形貌和均的尺寸；粒子之间无团聚，具有良好的分散性和生物相容性，且在二硫化钼片层结构上，金纳米星的负载密度较大；（2）该复合材料的紫外‑可见吸收光谱峰值在600‑1000nm之间，在近红外激光照射下温度迅速升高，因而具有较好的光热转化性能，在生物医学领域的肿瘤光热治疗方面具有巨大的应用潜力；（3）该金纳米星/二硫化钼复合材料的制备过程工艺简单易操作，设备要求低；制备得到的复合材料的杂质含量少，产量高。 ...

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Номер записи: 15