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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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Форма поиска

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.
27-02-2008 дата публикации

Nano fluorine-contained high-strength resin dental material and method of producing the same

Номер: CN0101129294A
Автор: MA RONGTANG, YAN PENGTAO, XIE QIJIAN, RONGTANG MA, PENGTAO YAN, QIJIAN XIE
Принадлежит:

The invention provides a dental material with nanometer fluoric high-fortified resin and making method in light cured resin dental material and powder dispersing method technological field, wherein the resin dental material comprises the following parts: methacrylate ester integral, initiating agent and mineral filler, and the mineral filler comprises CaO-SiO2-Al2O3-P2O5-F silicofluoride fluorosilicate biological ceramic powder. The making method relates to technologies of the biological ceramic powder and nanometer silicon powder through silanization treatment and the nanometer silicon powder being ultrasonically dispersed in organic medium. The invention has biological activity with antibacterial and anti-dental cavity, which gets ideal effects on properties of resisting radioactivity, degree of transparency, tensile strength, abrasion-resistance, density, rheological property and so on.

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Номер записи: 1
27-08-2014 дата публикации

Composite dental resin material containing macropore molecular sieves

Номер: CN104000738A
Автор: YAN PENGTAO, WU HUI, MU QI, YAN GANG, MA RONGTANG
Принадлежит:

The invention discloses a composite dental resin material containing macropore molecular sieves, and belongs to the technical field of dental repair materials. Dental resins are prepared from acrylic monomers, initiators, inorganic fillers and dyes; in the inorganic fillers, the macropore molecular sieves, of which the average apertures are not less than 7nm and the using amount accounts for 5-85 percent of the inorganic fillers, are introduced. According to the composite dental resin material containing macropore molecular sieves, the macropore molecular sieves are introduced and used as fillers, so that molecular monomers enter the molecular sieve holes in advance; and after polymerization, an inorganic-organic interpenetrating network is formed by the molecular sieves and a resin basal body, or the molecular sieves and the resin basal body are embedded into the molecular sieve holes, so that the molecular sieves are fixed in a resin network, thereby obviously improving the binding force ...

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Номер записи: 2
23-06-2023 дата публикации

Wind power flange ring cooling equipment

Номер: CN116287654A
Автор: YAN PENGTAO, YAN JIANGTAO, WANG YONGDONG
Принадлежит:

The invention discloses wind power flange ring cooling equipment which comprises a pneumatic hoisting device, a heat conduction cooling device and a heat radiation cooling device, the pneumatic hoisting device is arranged on the heat radiation cooling device, and the heat radiation cooling device is arranged on the heat conduction cooling device. The invention belongs to the technical field of flange ring cooling, and particularly provides wind power flange ring cooling equipment which can quickly reduce the temperature of a workpiece to reach the temperature required by subsequent treatment and does not consume water resources.

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Номер записи: 3
19-03-2014 дата публикации

Method for simulating effect of piezoelectric actuator based on test correction

Номер: CN103646133A
Автор: GUO PINGFAN, CHEN PENG, FENG XIAOLIN, SUN YONGJUN, LEI MING, ZHOU YOUMING, DENG YAN, YAN PENGTAO
Принадлежит:

The invention provides a method for simulating the effect of a piezoelectric actuator based on test correction and aims at solving the problems of simulation modeling and control law design of a vibration active control technology using the piezoelectric actuator as a control actuator. The technical scheme is that the method comprises the steps of performing a simulation excitation test, exerting an excitation signal on the piezoelectric actuator, and exciting a composite-material wing kinetic model to obtain response of a testing point; performing a ground shock excitation test, exerting an excitation signal identical to the excitation signal in the simulation excitation test on the piezoelectric actuator, and exciting a composite-material wing to obtain response of the testing point; comparing the response of the testing point in the ground shock excitation test with the response of the same testing point in the simulation excitation test, correcting an equivalent bending moment value ...

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Номер записи: 4
14-04-2023 дата публикации

Corn cAMP-dependent protein kinase ZmcPK, and coding gene and application thereof

Номер: CN115960857A
Автор: YANG HAO, ZHANG YUPING, MU XINYUAN, WANG YALING, ZHANG LIJUAN, YAN PENGTAO
Принадлежит:

The invention discloses corn cAMP-dependent protein kinase ZmcPK as well as a coding gene and application thereof, and aims to solve the technical problem of shortage of high-temperature-resistant gene resources of current corn pollen. According to the application, higher plant cAMP-dependent protein kinase ZmcPK is screened and identified, a mechanism for promoting the growth rate of corn pollen tubes under high temperature stress and the growth of the corn pollen tubes is identified, the ZmcPK gene is only specifically expressed in the corn pollen and has protein kinase activity, and the kinase activity can be promoted by exogenously applying an activated substrate cAMP of the ZmcPK gene, so that the corn pollen tube growth rate can be promoted, and the corn pollen tube growth rate can be promoted. Meanwhile, the germination rate of maize pollen and the growth rate of pollen tubes under high-temperature stress are improved, and important gene resources are provided for cultivating high-temperature-resistant ...

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Номер записи: 5
09-06-2010 дата публикации

Nano fluorine-containing resin dental material and preparation method thereof

Номер: CN0101721316A
Автор: MA RONGTANG, XIE QIJIAN, YAN GANG, YAN PENGTAO, RONGTANG MA, QIJIAN XIE, GANG YAN, PENGTAO YAN
Принадлежит:

The invention relates to a nano fluorine-containing resin dental material and a preparation method thereof and belongs to the technical field of light-cured resin dental materials and power dispersion methods. The resin dental material consists of a methacrylate monomer, an initiator and an inorganic filler, wherein the inorganic filter contains fluorine-containing glass powder, nano silicon powder, a pigment, strontium glass or/and barium glass and may contain nano YbF3 and Bi2O3. The preparation of the nano fluorine-containing resin dental material involves the silylanization of the fluorine-containing glass powder and the nano silicon powder and the technology for the ultrasonic dispersion of the nano silicon powder in an organic medium. The resin dental material of the invention has bioactivity, can resist dental caries and has ideal radiation resistance, transparency, tensile strength, wear resistance, density, rheological behavior and the like. Particularly, due to the combination ...

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Номер записи: 6
15-08-2023 дата публикации

Two-component tooth whitening gel and preparation method thereof

Номер: CN116585214A
Автор: YAN PENGTAO, ZHANG QIANG, WU HUI
Принадлежит:

The invention discloses a bi-component tooth whitening gel and a preparation method thereof, and belongs to the technical field of dental materials, the whitening gel is a bi-component material, and comprises a component A and a component B in a ratio of 4: 1; wherein the component A comprises a thickening agent, a peroxide or a peroxide complex; and the component B is a component containing casein phosphopeptide-amorphous calcium phosphate (CPP-ACP). According to the double-component tooth whitening gel and the preparation method thereof, the prepared whitening gel can be stored at room temperature, and has the characteristics of quick and efficient bleaching effect, low sensitivity, neutral pH value and good remineralization effect.

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Номер записи: 7
08-07-2015 дата публикации

Preparation method for high-performance porous carbon electrode material for super capacitor

Номер: CN104760948A
Автор: ZHANG RUIJUN, XU JIANG, YAN PENGTAO, JIN JIANGLONG
Принадлежит:

The invention discloses a preparation method for a high-performance porous carbon electrode material for a super capacitor. The preparation method mainly comprises the following steps: drying raw material soybean meal and then placing the raw material soybean meal in a carburization furnace, carburizing for 1 hour at 300-600 DEG C, mixing the low-temperature carbonization product of the soybean meal with a KOH activator in a mass ratio of 1: (1 to 4), then carrying out a vibration ball-milling treatment for 1 hour, placing the obtained ball-milled-state mixed powder in a nickel crucible and activating in a stainless steel tube tubular furnace, vacuumizing, heating to 600-900 DEG C under the protection of an argon flow, and insulating and activating for 1-2 hours, taking out the cooled product from the nickel crucible, soaking for 24h by hydrochloric acid with a concentration of 10%, washing to be neutral by deionized water and drying, then obtaining the porous carbon electrode material ...

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Номер записи: 8
30-05-2023 дата публикации

Wind power tower flange eversion correction equipment

Номер: CN116175080A
Автор: YAN PENGTAO, YAN JIANGTAO, WANG YONGDONG
Принадлежит:

The invention discloses wind power tower flange eversion correction equipment which comprises a flame spray gun, a correction plate and a pressure bearing seat, and belongs to the technical field of wind power tower maintenance, the flame spray gun and the correction plate can freely rotate along a transverse moving ring and a lifting ring, the height and angle of the flame spray gun and the correction plate can be freely adjusted, manual heating and correction operation is not needed, and the correction efficiency is improved. When the correction plate extrudes the flange to correct the flange, the elastic heat conduction layer can transfer part of heat of the heated flange to heat conduction oil in the heat conduction oil storage cavity, the heat conduction oil expands after being heated, on one hand, reverse extrusion force of the flange on the correction plate is buffered, and on the other hand, the work efficiency is greatly improved; on the other hand, certain extrusion force can ...

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Номер записи: 9
23-06-2010 дата публикации

Nano silver fluorine-containing self-acid pickling single bottle dental adhesive

Номер: CN0101239024B
Автор: YAN PENGTAO, XIE QIJIAN, MA RONGTANG, PENGTAO YAN, QIJIAN XIE, RONGTANG MA
Принадлежит:

The invention relates to a nanometer silver fluorinated self-etching single bottle dentistry adhesive, belonging to the technical field of dentistry material. The component and the percentage of total weight is: 3.7 to 4.5 percent of initiator, 0.02 to 3.13 percent of additive, 0 to 2.0 percent of nanometer silver antimicrobial, 0 to 60 percent of methyl methacrylate monomer, 20 to 85.3 percent of acidity monomer and 0 to 53.3 percent of solvent. The acidity monomer comprises a phosphoric acid monomer or/and a carbonic acid monomer; the solvent is 0 to 4 kinds of materials selected from ethanol, propanol, normal butanol, acetone, methyl ethyl ketone, ethyl acetate and water. The nanometer silver of the invention can resist multiple bacterial and the nanometer biological ceramic powder canreduce regeneration caries; the single bottle self-etching function simplifies the using procedure; the mixture of multiple solvents with different permittivity can remarkably reduce the self hydrolysis ...

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Номер записи: 10
23-07-2008 дата публикации

Dentistry compound resin material containing telechelic oligomer

Номер: CN0101224169A
Автор: MA RONGTANG, YAN PENGTAO, XIE QIJIAN, RONGTANG MA, PENGTAO YAN, QIJIAN XIE
Принадлежит:

The invention relates to a dental composite resin material containing telechelic oligomer pertains to the technical field of dental materials for dental repair or reconstruction. The dental composite resin material is composed of telechelic oligomer, methacrylate monomer, initiator, dye and inorganic filler, the trade name of the telechelic oligomer is XMAPt-MM100C, XMAPt-MM110C, XMAPt - RC100C and XMAPt-RC200C. The inorganic filler contains CaO-SiO2-Al2O3-P2O5-F fluorine-based silicate biological ceramic powder. The dental composite resin material of the invention is the dental material which has biological activity and can be light-cured or self-cured; as the telechelic oligomer is added, the using amount of the inorganic filler is increased, the invention has very low volume shrinkage ratio, the volume shrinkage ratio is lower than the similar products by more than 40 percent; and the cost of the materials is also reduced.

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Номер записи: 11
13-08-2014 дата публикации

Dual-curing dental composite resin

Номер: CN103976884A
Автор: YAN PENGTAO, MU QI, YAN GANG, MA RONGTANG
Принадлежит:

The invention discloses a dual-curing dental composite resin, and belongs to the technical field of dental prosthetic materials. The dental composite resin is packaged in two doses; the component 1 comprises an acrylics monomer, an inorganic filler and an oxidizing agent; the component 2 comprises an acrylics monomer, an inorganic filler and a reducing agent; a UV-curable initiator and a dye exist in the component 1 and/or the component 2. The traditional peroxide-tertiary amine system is replaced with a novel oxidation-reduction initiator system and a diacetyl acetone copper-thiourea system, so that anthochromia caused by the initiator after the resin is cured can be significantly weakened.

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Номер записи: 12
13-08-2008 дата публикации

Nano silver fluorine-containing self-acid pickling single bottle dental adhesive

Номер: CN0101239024A
Автор: MA RONGTANG, YAN PENGTAO, XIE QIJIAN, RONGTANG MA, PENGTAO YAN, QIJIAN XIE
Принадлежит:

The invention relates to a nanometer silver fluorinated self-etching single bottle dentistry adhesive, belonging to the technical field of dentistry material. The component and the percentage of total weight is: 3.7 to 4.5 percent of initiator, 0.02 to 3.13 percent of additive, 0 to 2.0 percent of nanometer silver antimicrobial, 0 to 60 percent of methyl methacrylate monomer, 20 to 85.3 percent of acidity monomer and 0 to 53.3 percent of solvent. The acidity monomer comprises a phosphoric acid monomer or/and a carbonic acid monomer; the solvent is 0 to 4 kinds of materials selected from ethanol, propanol, normal butanol, acetone, methyl ethyl ketone, ethyl acetate and water. The nanometer silver of the invention can resist multiple bacterial and the nanometer biological ceramic powder can reduce regeneration caries; the single bottle self-etching function simplifies the using procedure; the mixture of multiple solvents with different permittivity can remarkably reduce the self hydrolysis ...

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Номер записи: 13
10-06-2015 дата публикации

Carbon-carbon composite electrode material and preparation method thereof

Номер: CN104701026A
Автор: ZHANG RUIJUN, KANG HUIMIN, XU JIANG, WU CHAO, YAN PENGTAO
Принадлежит:

The invention discloses a carbon-carbon composite electrode material and relates to a graphene and carbide-derived carbon composite material with a mesoporous structure formed between graphene and carbide-derived carbon; the preparation method of the carbon-carbon composite electrode material mainly comprises the following steps: graphite powder with the grain size of 2.6 micrometers is prepared into graphite oxide by adopting a Hummer method and reduced to prepare graphene (RGO) by hydrazine hydrate; titanium carbide with the grain size about 20nm is used as a reaction precursor which reacts with chlorine gas for one hour at 400-1000 degrees centigrade by a high-temperature halogenation method to prepare CDC; prepared RGO and CDC are prepared into 2mg/mL aqueous solutions, perform ultrasonic sound for 2 hours at 800W, and then RGO and CDC solutions are mixed according to the volume ratio of 1:9-9:1, perform ultrasonic sound for 2 hours, are stirred for 24 hours at ambient temperature and ...

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Номер записи: 14
05-03-2014 дата публикации

Flutter data processing framework based on flight test

Номер: CN103617323A
Автор: SUN YONGJUN, LEI MING, ZHOU YOUMING, YAN PENGTAO, CHEN HAO
Принадлежит:

The invention belongs to the technical field of aviation test flight, and particularly relates to a flutter data processing framework based on a flight test. The flutter data processing framework based on the flight test comprises a platform management system, a basic function module, an auxiliary function module and a bottom layer supporting module; the platform management system is used for resource dispatch and operational process management of a platform, the basic function module is used for processing data of a general flutter flight test, the auxiliary function module is used for analyzing flutter test flight data which are specific or are not provided with a currently established clear data processing technology system, the bottom layer supporting module is used for providing a basic environment supporting normal operation of the platform and basic software shared by each function module of the platform. The flutter flight test data processing platform concept and a top layer design ...

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Номер записи: 15