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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 12. Отображено 12.
29-08-2023 дата публикации

Microsphere of hyaluronic acid or salt thereof and preparation method thereof

Номер: CN116650718A
Автор: GAO JIANLI, YU JIANWEN
Принадлежит:

The invention relates to the field of medical materials, in particular to hyaluronic acid or hyaluronic acid salt microspheres and a preparation method thereof.The preparation method comprises the following steps that hyaluronic acid or hyaluronic acid salt is added into an alkaline solution, ultrasonic dispersion is conducted to be uniform, and refrigeration is conducted for 12-24 h at the temperature of 1-5 DEG C; then adding a cross-linking agent, and uniformly mixing and dispersing in an ice bath to obtain a dispersed phase; uniformly mixing a cross-linking agent with vegetable oil to obtain a continuous phase; applying pressure to the dispersion phase to enable the dispersion phase to enter the continuous phase through an emulsification membrane of a membrane emulsification system for membrane emulsification; removing the vegetable oil and the cross-linking agent, then adding into a buffer solution, swelling and sieving to obtain the hyaluronic acid microspheres. The hyaluronic acid ...

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Номер записи: 1
09-05-2023 дата публикации

Hydraulic power transmission line strain double-string insulator replacement matching device and hydraulic power transmission line strain double-string insulator replacement matching method

Номер: CN116093809A
Автор: HONG XINGJUN, CHENG JUN, LI LEI, ZHOU BIAO, LIU XIN, LIANG JIAKAI, CHEN YIN, SHEN GANG, ZHAO KAIMEI, LI JINRONG, ZHAO JUNJIE, QIN WEINAN, ZHANG LIANG, FU JUNJIE, CHEN BINFENG, FANG ZHENG, XU ZHEWEI, GAO CHUAN, YANG BO, YU JIANWEN, FANG YUNFEI, CHEN JIAN, YING HONGWEI, ZHU RUI
Принадлежит:

The invention discloses a hydraulic power transmission line tension double-string insulator replacement matching device which is characterized in that a power transmission line tension double-string insulator is composed of two parallel insulator strings, and the two ends of each insulator string are connected to an insulator string tensioning yoke plate of a power transmission line; the power transmission line tension insulator replacing device comprises a connecting pipe, a tensioning fine tuning device, an insulator string bearing assembly, a hydraulic tensioning assistor and a yoke plate assembly which are connected in series to form a chain type tensioning mechanism. The two ends of the chain type tensioning mechanism are connected with the insulator string tensioning yoke plates corresponding to the two ends of the insulator string respectively, and the insulator string bearing assembly is arranged on the connecting pipe and used for bearing the insulator string. The invention further ...

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Номер записи: 2
11-08-2023 дата публикации

Method and device for detecting content of flocculating agent in sand

Номер: CN116577278A
Автор: LI JING, YU GANG, YANG SHUGUANG, WANG JIAMING, GU KAI, HAN QIUHONG, LI HUIZHEN, XIONG YUQING, YU JIANWEN, TAKAGI SHOU
Принадлежит:

The invention provides a device for detecting the content of a flocculating agent in sand, the device comprises a detection device body, the detection device body comprises a detection box, a laser detection module, an adjusting mechanism and a stirring assembly, the top of the detection box is provided with a top butt joint sleeve, and the adjusting mechanism is inserted into the inner side of the top butt joint sleeve; the detection device comprises a detection box, a laser detection module is installed on the side edge of the detection box, a middle groove is formed in the bottom of the middle of the detection box, a bottom butt joint sleeve is arranged on the top of the middle groove, and a bottom plate structure is installed at the bottom end of the middle groove. According to the device, laser light rays are reflected by utilizing a reflecting plate in the detection box, the path length of the light rays can be prolonged, the detection precision is improved, a gravel solution injected ...

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Номер записи: 3
26-01-2017 дата публикации

PINE NEEDLE ORGANIC FERTILIZER, PREPARATION METHOD THEREFOR AND USE THEREOF

Номер: WO2017012375A1
Автор: CHEN, Jiwen, CHEN, Zhihai, TANG, Lin, YU, Jianwen
Принадлежит:

The present invention relates to an organic fertilizer, a preparation method therefor and a use thereof. A pine needle organic fertilizer is emulsifiable concentrate or water-soluble organic fertilizer or granular fertilizer which contains an organic solvent extract of pine needles as an effective component. The fertilizer is applied before fruit trees flower, the quality in the flowering stage and the quality of fruits can be improved, the dried matter content is increased, the sugar content is increased, and early maturing and late harvesting are promoted. The fertilizer can be used for treating citrus tristeza viruses. The fertilizer is used for reducing the root-rot disease and defoliator pest in the seedling stage of vegetables. The fertilizer is used before tea sprouting, the number of sprouts is increased, tender shoots and tender leaves become thicker, and the yield and the quality of the tea leaves are remarkably improved.

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Номер записи: 4
04-07-2023 дата публикации

Strap for host of large handheld instrument

Номер: CN116369659A
Автор: YU JIANWEN, LI JING, ZHU ZHIGANG, WANG JIAMING, ZHANG HAIBIN, YU GANG, CHEN XINHUA, LI HUIZHEN, ZHANG HENG, HU SHENGTAO, HUANG JUN
Принадлежит:

The invention discloses a strap for a host of a large handheld instrument, the host of the large handheld instrument is in the shape of a square block, connecting holes are respectively formed in two side edges of the host of the large handheld instrument along the width direction, and the connecting holes are used for connecting the strap for the host of the large handheld instrument. The strap is arranged to be tightly attached to the back of a user when the strap for the host of the large handheld instrument is in use; the first shoulder part and the second shoulder part are both formed into a ring shape and are symmetrically connected to the two sides of the central part respectively, and the first shoulder part and the second shoulder part are connected to two connecting holes of the large handheld instrument host respectively; according to the large and medium-sized handheld instrument host, the shoulders and the back are stressed through the straps, arm stress is reduced in the instrument ...

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Номер записи: 5
13-04-2021 дата публикации

Punching machine die with buffer mechanism

Номер: CN212944992U
Автор: YU JIANWEN, 余建文
Принадлежит: UNIMODEL TECH INFORMATION SHANGHAI CO LTD, UNIMODEL TECHNOLOGY INFORMATION (SHANGHAI) CO., LTD., 优模技术信息（上海）有限公司

The utility model discloses a punching machine die with a buffer mechanism, and belongs to the technical field of punching dies. A punching machine die with a buffer mechanism comprises a fixed supporting column, a bottom plate is fixedly mounted on one end face of the fixed supporting column, mounting bases are fixedly mounted on the two sides of the upper surface of the bottom plate, a connecting column is arranged on the upper surface of each mounting base, and a fixed column is fixedly mounted on the upper surface of each connecting column. A fixed sleeve is arranged on the upper surface of the fixed column; according to the utility model, through the cooperative arrangement of the connecting ring, the reset spring, the fixed sleeve, the limiting column, the baffle plate, the fixed column, the connecting lantern ring, the lower sliding block and the mounting plate, when a worker uses the device, the connecting lantern rings are arranged on the two sides of the die of the punching machine ...

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Номер записи: 6
27-06-2023 дата публикации

Distribution box

Номер: CN116345313A
Автор: CHEN QI'AN, YU JIANWEN
Принадлежит:

The invention relates to the technical field of power equipment, and particularly discloses a distribution box which comprises a box body used for installing electronic components therein, an upper jack is formed in the top of the box body, and a lower jack is formed in the bottom of the box body; the two ends of the mounting plate are fixed on the two side walls of the box body; the bus connecting structure is detachably connected to the mounting plate; one side edge of the box door is movably connected to the box body, a box lock is arranged on the box door, and a rotating disc at the end of the box lock is fixedly connected with a lock rod, a poke rod and a reinforcing assembly arranged on the back face of the box door. According to the power distribution box, when the box door of the power distribution box is locked, the rotating disc of the box lock drives the lock rod to be clamped on the side wall of the box body, the poke rod can press the push rod, the push rod enables the upper ...

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Номер записи: 7
02-05-2023 дата публикации

Application of pine needle extracting solution in improving germination rate and vitality of deteriorated rice seeds

Номер: CN116034666A
Автор: CHEN BINGXIAN, YU JIANWEN, LI JIANLONG
Принадлежит:

The invention discloses an application of a pine needle extracting solution in improving the germination rate and vitality of deteriorated rice seeds. Experimental results show that the 500-fold diluted pine needle extracting solution can improve the germination index, the vigor index, the bud length and the fresh weight of deteriorated seeds of rice Nipponbare and Zhonghua 11 to different degrees, and the vigor of the deteriorated seeds is remarkably improved; and the germination rate and activity of the seeds aged for half a year and one year are obviously higher than those of a non-priming group and a water priming group when the pine needle extracting solutions with different concentrations are used for priming the seeds aged for half a year and one year. Pine needle extracting solution initiation is a seed treatment mode capable of effectively improving the germination rate and the vitality of the deteriorated rice seeds, and the pine needle extracting solution has high application ...

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Номер записи: 8
04-08-2023 дата публикации

Porous polymer microsphere and preparation method thereof

Номер: CN116535728A
Автор: GAO JIANLI, YU JIANWEN
Принадлежит:

The invention provides a porous polymer microsphere and a preparation method thereof, and relates to the technical field of polymer materials. The microsphere is prepared by taking a micro-fluidic chip with a same-direction structure as a main micro-fluidic device, the size of the microsphere can be relatively uniform through the method, the size of the microsphere can be controlled by adjusting the flow velocity ratio (emulsion/continuous phase), the applicability is higher, and the microsphere preparation effect is relatively good. According to the microspheres prepared by the method, polyethylene glycol is used as a framework, hyaluronic acid is used as a monomer to jointly form a cross-linked substance, an emulsion formed by the macromolecular substance is used as an oil phase, a sodium alginate solution is used as an inner water phase, and a polyvinyl alcohol solution is used as a continuous phase, so that the microspheres are prepared. The porous polymer microspheres with relatively ...

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Номер записи: 9
13-04-2021 дата публикации

Mold with plastic particles convenient to replace

Номер: CN212944073U
Автор: YU JIANWEN, 余建文
Принадлежит: YU JIANWEN, 余建文

The utility model discloses a mold with plastic particles convenient to replace, and belongs to the technical field of mechanical equipment. A mold facilitating replacement of plastic particles comprises a machine body, a feeding port is formed in the top of the machine body, a machine box is fixedly connected to the middle of one side face of the machine body, a vibration motor is fixedly installed in the machine box, and a vibration shaft is movably connected to one end of the vibration motor; through the cooperative arrangement of the vibration motor, the vibration shaft, the connecting block, the clamping groove, the screen, the first fixing block, the handle and the positioning pin, workers start the vibration motor to drive the vibration shaft, then the vibration shaft drives the screen to vibrate, plastic particles are screened through vibration of the screen, and the screen can be pulled out through the handle; the screen is directly cleaned or replaced and maintained, and through ...

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Номер записи: 10
30-05-2023 дата публикации

Composite crop seed initiator and application thereof

Номер: CN116172008A
Автор: CHEN BINGXIAN, PENG YUANXUAN, ZHANG QI, YU JIANWEN
Принадлежит:

The invention discloses a composite crop seed initiator and application thereof. The compound type crop seed initiator disclosed by the invention is prepared from 5 to 10 [mu] mol/L of Karrikinolide, 5 to 10 [mu] mol/L of sodium nitroprusside, 0.05 percent by mass of chitosan and the balance of a pine needle extracting solution which is diluted by 1000 times; compared with water initiation or independent application of a certain initiator component, the initiator has the advantages that the germination rate of lettuce, rice and corn seeds can be remarkably increased; the effect on dormant seeds or deteriorated seeds is obvious; therefore, the method has very high application value.

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Номер записи: 11
09-05-2023 дата публикации

Radar antenna ranging wheel mounting and lapping device

Номер: CN116087882A
Автор: YU JIANWEN, LI JING, WANG JIAMING, YU GANG, ZHU ZHIGANG, CHEN XINHUA, ZHOU ZHIPENG, ZHANG HAIBIN, LI HUIZHEN, ZHANG HENG, HU SHENGTAO
Принадлежит:

The invention discloses a radar antenna distance measuring wheel mounting and lapping device, which comprises a radar antenna, a distance measuring wheel, a distance measuring wheel and a lap joint device, and is characterized in that the radar antenna is provided with a mounting interface; the lap joint plate is in a long strip shape, one end of the lap joint plate is detachably connected to the radar antenna, the radar antenna is provided with a mounting interface, the other end of the lap joint plate is connected with a distance measuring wheel, and the radar antenna moves along with the distance measuring wheel along with the movement of the distance measuring wheel; according to the invention, one vehicle distance can be matched with a plurality of radar antennas with different frequencies, the cost is low, after the lap joint device is used, one distance measuring wheel can be matched with a plurality of antennas for use, the acquisition precision and efficiency can be improved, and ...

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Номер записи: 12