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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 13. Отображено 13.
21-04-2023 дата публикации

Infrared electric heating assembly and non-contact type and contact type electric heating devices comprising same

Номер: CN115996488A
Автор: XIA ZHANBIN, CHEN RIXIN, ZHANG JUANJUAN, XIE DINGYI, LIU HAIBIN, WU HAILIN, ZHANG QIAN, YUAN KAIJIE, ZHOU YUN, FENG GUANPING, HU YIMIN
Принадлежит:

The invention provides an infrared electric heating assembly and a contact type and non-contact type electric heating device comprising the infrared electric heating assembly, the infrared electric heating assembly comprises a glass substrate graphene electric heating part and an infrared reflection part, and the glass substrate graphene electric heating part is attached in the infrared reflection part; and an air layer is formed between the glass substrate graphene electric heating part and the infrared reflection part. The infrared reflection part is arranged on the non-working surface of the graphene electric heating part with the glass substrate, energy emitted by the non-working surface is reflected back, penetrates through the graphene film and the glass substrate and then is radiated or conducted to a target receptor through the working surface, and the purpose of greatly reducing energy loss of the non-working surface of the surface heating body is achieved.

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Номер записи: 1
26-05-2023 дата публикации

Piezoelectric micromechanical ultrasonic transducer and ultrasonic detection system

Номер: CN116159731A
Автор: SHANG WENLING, LI JIADONG, HU YIMIN, MIAO BIN, WANG DANRUI
Принадлежит:

The invention discloses a piezoelectric micromechanical ultrasonic transducer and an ultrasonic detection system.The piezoelectric micromechanical ultrasonic transducer comprises a PMUT array element formed on a substrate, and the PMUT array element is at least used for sending and receiving first-frequency ultrasonic waves and second-frequency ultrasonic waves, the frequency of the first-frequency ultrasonic waves is smaller than that of the second-frequency ultrasonic waves. The piezoelectric micromechanical ultrasonic transducer is applied to an ultrasonic detection system, a PMUT array element is used for firstly sending and receiving first-frequency ultrasonic waves (low-frequency ultrasonic signals) so as to detect a target object in a long-distance large range, determining the approximate direction of the target object and approaching the target object, then sending and receiving second-frequency ultrasonic waves (high-frequency ultrasonic signals) so as to detect the target object ...

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Номер записи: 2
22-08-2023 дата публикации

Method for non-destructive detection of oxygen index of wave-absorbing material

Номер: CN116626229A
Автор: LIU HAILI, HUANG LIANG, HU YIMIN, WANG QINGSHAN
Принадлежит:

The invention relates to the technical field of wave-absorbing material detection, in particular to a method for non-destructive detection of an oxygen index of a wave-absorbing material. The method comprises the following steps: measuring three elements of aluminum, phosphorus and carbon at different positions of the cross section of the bottom of the wave-absorbing material by using an element analyzer at different positions of the bottom of the measured wave-absorbing material to obtain an atlas; calculating the ratio of the aluminum and phosphorus element peak integral area to the carbon element peak integral area of the tested wave-absorbing material; the oxygen indexes at different positions of the bottom of the wave-absorbing material to be tested are evaluated by combining different oxygen indexes and the ratio curve, the non-destructive testing of the oxygen indexes of the wave-absorbing material is realized, products with different oxygen indexes can be screened out without damage ...

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Номер записи: 3
26-05-2023 дата публикации

Endoscope device and system thereof

Номер: CN116158787A
Автор: WANG DANRUI, LI JIADONG, HU YIMIN, MIAO BIN, SHANG WENLING
Принадлежит:

The invention discloses an endoscope device and a system thereof. The endoscope device comprises a shell; the sensing braking module comprises an imaging assembly, and the imaging assembly comprises a substrate, a plurality of PMUT single array elements located on the substrate and distributed in an array mode, and a plurality of electrodes located on the substrate; the driving control module comprises a driving module and a time delay module, the driving module is used for driving the plurality of PMUT single array elements to emit ultrasonic sound beams to form a synthetic wave, and the time delay module is used for controlling the delay time among the plurality of ultrasonic sound beams so as to enable the synthetic wave to realize deflection and/or focusing; and the power supply module comprises a battery and is used for supplying power to the sensing brake module and the driving control module. The endoscope system comprises the endoscope device and a display terminal in communication ...

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Номер записи: 4
07-07-2023 дата публикации

Variable stiffness cantilever beam sensor structure, array and manufacturing method

Номер: CN116399495A
Автор: XU ZHAN, LI JIADONG, MIAO BIN, GU ZHIQI, HU YIMIN, XU BOXUAN
Принадлежит:

The invention discloses a variable-stiffness cantilever beam sensor structure, a variable-stiffness cantilever beam sensor array and a manufacturing method of the variable-stiffness cantilever beam sensor structure. The variable-stiffness cantilever beam sensor structure comprises a supporting structure and a cantilever beam structure, the cantilever beam structure is arranged on the supporting structure, the cantilever beam structure comprises a sensing part and a transmission part which are sequentially arranged in the direction away from the supporting structure, the thickness of the sensing part is smaller than that of the transmission part, and the thickness of the transmission part is smaller than that of the supporting structure. And a piezoresistor is arranged on the sensing part. According to the variable-rigidity cantilever beam sensor structure, through the variable-rigidity structural design, namely different thicknesses of the transmission part and the sensing part, the local ...

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Номер записи: 5
18-04-2023 дата публикации

Modified silica ceramic resin and preparation method thereof

Номер: CN115975470A
Автор: WANG LANLAN, GUO QIANFEN, FENG GUANPING, HU YIMIN, YUAN KAIJIE
Принадлежит:

The invention discloses modified silica ceramic resin and a preparation method thereof, the modified silica ceramic resin comprises 40-50 parts by weight of silicon resin, 50-70 parts by weight of waterborne epoxy resin and 1-3 parts by weight of boric acid doped polyaniline, the silicon resin is obtained by jointly hydrolyzing tetraethoxysilane and gamma-methacryloxypropyltrimethoxysilane and then adding styrene for crosslinking, and the boric acid doped polyaniline is synthesized by using boric acid as a doping agent and ammonium persulfate as an initiator through a chemical oxidation method. The waterborne epoxy resin and the silicon resin are compounded, a waterborne epoxy coating system has the advantages of being high in adhesive force, excellent in coating corrosion resistance and good in construction performance, and the defects of the silicon resin in the aspects of curability, adhesion, solvent resistance, mechanical strength and the like can be perfectly overcome; the corrosion ...

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Номер записи: 6
23-06-2023 дата публикации

Method for roll-in impregnation of sponge wave-absorbing sheet

Номер: CN116284985A
Автор: HU YIMIN, LI JIQIANG, GUO TAO, HUANG HAO
Принадлежит:

The invention relates to the technical field of wave-absorbing materials, and particularly discloses a method for roll-in impregnation of a sponge wave-absorbing sheet, which comprises the following steps: preparing 5.5-6Wt% of carbon nanotubes, 1-1.5 Wt% of an adhesive, 0-0.5 Wt% of an auxiliary agent and the balance of water into an impregnation liquid; the sponge sheet base material is impregnated through rolling impregnation equipment; the impregnated sponge sheet is placed on a glass fiber grid pad to ensure that the sponge sheet is flat and not bent, and can be directly placed in a drying room or a drying oven to be dried by controlling the temperature to be 85 DEG C. Compared with an impregnation liquid of an acetylene carbon black absorbent, carbon powder does not fall off after drying, the stability is higher, compared with a manual extrusion impregnation mode, a rolling impregnation device is adopted, the temperature is more uniform, the reflectivity performance is better, the ...

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Номер записи: 7
12-05-2023 дата публикации

Precise filtering infusion apparatus

Номер: CN116099076A
Автор: HU YIMIN, YANG BO
Принадлежит:

The invention provides a precision filtering infusion apparatus. The device comprises a bottle stopper puncture outfit, a dropper, a drip chamber, an infusion tube, a flow regulator, a precise liquid medicine filter and an infusion needle, the bottle stopper puncture outfit, the dropper, the drip chamber, the infusion tube, the flow regulator, the precise liquid medicine filter and the infusion needle are sequentially connected in a butt joint mode, and the precise liquid medicine filter comprises a filter shell, a filter cover body and a nanometer ion filter membrane; a liquid inlet, a liquid outlet and a mounting opening are formed in the filter shell, a liquid inlet channel, a middle filter channel and a liquid outlet channel are arranged in the filter shell, and the liquid inlet is communicated with the liquid inlet channel; the nano ion filter membrane comprises a first filter membrane and a second filter membrane, the filter cover body is detachably mounted on the mounting opening ...

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Номер записи: 8
11-08-2023 дата публикации

Micro-cantilever acceleration sensing device, sensor and preparation method thereof

Номер: CN116577524A
Автор: MIAO BIN, LI JIADONG, XU ZHAN, GU ZHIQI, FENG CHANGKUN, HU YIMIN
Принадлежит:

The invention relates to a micro-cantilever acceleration sensing device, a sensor and a preparation method of the micro-cantilever acceleration sensing device. The inertia force sensing unit comprises a substrate, a first cantilever beam unit and a second cantilever beam unit, the first cantilever beam unit is connected with the substrate, the first cantilever beam unit comprises a first response cantilever beam assembly and a first calibration cantilever beam assembly, and the rigidity of the first response cantilever beam is the same as that of the first calibration cantilever beam; the second cantilever beam unit is connected with the substrate, the second cantilever beam unit comprises a second response cantilever beam assembly and a second calibration cantilever beam assembly, the second calibration cantilever beam assembly comprises a second calibration cantilever beam, a fourth piezoresistor and a fourth electrode, and the rigidity of the second response cantilever beam is the same ...

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Номер записи: 9
11-08-2004 дата публикации

一种工艺冷凝液回收方法

Номер: CN0001519528A
Автор: HU YINMIN, YANG HOULONG, JIANG LIMIN, YINMIN HU, HOULONG YANG, LIMIN JIANG, 胡益民
Принадлежит:

A method for recovering the technologically condensed liquid from the chemical fertilizer production apparatus features that the recovered technological condensed water is delivered into water tank via pipeline, on which the electric conductivity monitor, three-way valve, cooler and linked control system are installed. Its advantages are high safety for consuming the recovered water, and high automation level.

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Номер записи: 10
23-06-2023 дата публикации

AIR ACOUSTIC IMAGING SENSOR

Номер: CN116297870A
Автор: ZHANG SHIQIN, LI JIADONG, HU YIMIN, MIAO BIN, ZHANG YUCHAO, WANG GUANGHUA
Принадлежит:

The invention discloses an air sound imaging sensor comprising a deflection device which comprises a mounting seat, a first deformation piece and a fixing seat, and the two ends of the first deformation piece are connected with the mounting seat and the fixing seat respectively; the air sound imaging sensing device is mounted on the fixed seat; and the driving device is installed on the deflection device, and the driving device is used for driving the first deformation piece to deform so that the first deformation piece can be installed on the fixing base to deflect. According to the airborne acoustic imaging sensor provided by the embodiment of the invention, the driving device drives the first deformation part to deform, so that the first deformation part mounted on the fixed seat deflects, the effect of adjusting the deflection angle of the airborne acoustic imaging sensor is achieved, and the airborne acoustic imaging sensor realizes dynamic scanning imaging; compared with an existing ...

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Номер записи: 11
16-05-2023 дата публикации

1, 4-bis (2-phenylethynyl) benzene derivative and preparation method thereof

Номер: CN116120172A
Автор: HU YIMIN, DONG JIE
Принадлежит:

The invention provides a 1, 4-bis (2-phenylethynyl) benzene derivative and a preparation method thereof, a tetra-alkyne compound is used as a substrate, the tetra-alkyne compound, 1-phenyl-2-(trimethylsilyl) acetylene and cesium carbonate are subjected to one-step reaction in an acetonitrile solvent to synthesize the 1, 4-bis (2-phenylethynyl) benzene derivative with a complex structure, and the preparation method is simple and efficient. Compared with the prior art, the invention provides a brand new synthetic method of the 1, 4-bis (2-phenylethynyl) benzene derivative, and a series of new 1, 4-bis (2-phenylethynyl) benzene derivatives are generated. The synthetic method has the advantages that the synthesized 1, 4-bis (2-phenylethynyl) benzene derivative is high in atom economy and more complex and diversified in structure, and a feasible scheme is provided for synthesizing the more complex 1, 4-bis (2-phenylethynyl) benzene derivative under milder conditions.

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Номер записи: 12
30-06-2023 дата публикации

Catalyst for synthesizing deuterated methanol by CO-CO2 system and method for synthesizing deuterated methanol

Номер: CN116351431A
Автор: LONG TAO, CHEN LIN, ZHOU FENG, HU YIMIN, ZHANG WEI, WANG JIAN, YAO CHAOLIANG
Принадлежит:

The invention provides an application of a catalyst in a process of synthesizing deuterated methanol by a CO-CO2 system. The catalyst is prepared by the following steps: coprecipitating a Cu source, a Zn source and an Al source to obtain a precursor, performing an impregnation method on the precursor and a rare earth nitrate solution, and roasting. According to the invention, the catalyst with a specific structure and composition is used in the process of synthesizing deuterated methanol from a CO-CO2 system, and efficient synthesis of deuterated methanol from a D2-CO-CO2 system is realized through rare earth doping and reaction condition optimization; and moreover, the distribution of active elements on the surface of the catalyst is increased through combination of rare earth doping and two-stage roasting, and the conversion rates of D2, CO and CO2 are greatly improved. Meanwhile, the preparation process of the catalyst is short in flow, simple to operate and environment-friendly. The ...

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Номер записи: 13