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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 20. Отображено 20.
23-04-2020 дата публикации

ANTI-CD137 ANTIBODY AND USES THEREOF

Номер: WO2020077635A1
Принадлежит:

Provided is an antibody capable of specifically binding CD137 or an antigen binding fragment thereof, wherein the light chain variable region and the heavy chain variable region have one or more mutations. Also provided are uses in preparation a drug with said antibody or antigen binding fragment thereof.

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25-04-2023 дата публикации

Two-photon vector radio frequency signal generation method

Номер: CN116015480A
Принадлежит:

The invention relates to a two-photon vector radio frequency signal generation method, and belongs to the technical field of radio-over-fiber communication systems. According to the invention, by means of a DSM technology which can convert any real signal into a digital sequence only containing + 1 and-1, and an optical I/Q modulation and homodyne coherent detection architecture which can realize baseband optical QPSK signal generation and detection; according to the invention, two mutually independent vector radio frequency waves with different carrier frequencies, different modulation formats and different baud rates are flexibly provided for a radio-over-fiber communication system. The two paths of mutually independent vector radio frequency waves can carry very high-order QAM (Quadrature Amplitude Modulation) signals. The two paths of mutually independent vector radio frequency waves can both adopt single-carrier modulation or OFDM modulation, or can adopt single-carrier modulation ...

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13-06-2023 дата публикации

Bag opener for double-layer ton bag and bag opening method

Номер: CN116253034A
Принадлежит:

The invention relates to a bale opener for a double-layer ton bag and a bale opening method. The bale opener is suitable for the ton bag with an inner-layer structure and an outer-layer structure. The bale opener comprises a box body, a bag opening clamping assembly is arranged on the top of the box body, a tank body is arranged in the box body, a secondary sealing assembly is arranged on the opening portion of the tank body, the bag opening clamping assembly comprises a hoop set and an iris valve which are arranged in the vertical direction, and the secondary sealing assembly comprises an air sealing piece and a hoop, the air sealing piece is tightly expanded on the inner wall of the tank body, and the hoop is fastened to the opening portion of the tank body. The double-layer ton bag unpacking device is particularly suitable for unpacking a double-layer ton bag, the bag opening clamping assembly located at the positioning pipe and the secondary sealing assembly located at the opening of ...

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30-03-2017 дата публикации

FULLY HUMAN ANTIBODY AGAINST HUMAN CD137 AND USE THEREOF

Номер: WO2017049452A1
Принадлежит:

Disclosed are a fully human monoclonal antibody specifically binding to a CD137 or an antigen binding portion thereof. On one hand, provided are a CDR/variable region sequence of the antibody and an encoding nucleic acid sequence thereof; on the other hand, provided is a method for treating diseases using the antibody or the antigen binding portion thereof.

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20-04-2017 дата публикации

ANTI-OX40 ANTIBODY AND APPLICATION THEREOF

Номер: WO2017063162A1
Принадлежит:

The present invention provides an anti-OX40 human antibody. Specifically, a specifically-bound OX40 human antibody is obtained by means of screening with a yeast display technology, and the affinity of the antibody is improved by means of affinity maturation. The present invention also provides application of the antibody to prevention or curing of tumors.

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23-04-2020 дата публикации

ANTI-CD137 ANTIBODY AND USES THEREOF

Номер: WO2020078149A1
Принадлежит:

Provided is an antibody capable of specifically binding CD137 or an antigen binding fragment thereof, wherein the light chain variable region and the heavy chain variable region have one or more mutations. Also provided are the uses of the antibody or antigen binding fragment thereof in preparing a drug.

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11-04-2023 дата публикации

Titanium-tantalum alloy with abrasion-resistant film layer

Номер: CN115948783A
Принадлежит:

The invention discloses a titanium-tantalum alloy with an abrasion-resistant film layer, which comprises a titanium-tantalum alloy matrix and the abrasion-resistant film layer arranged on the surface of the titanium-tantalum alloy matrix, and is prepared by the method comprising the following steps: 1, sequentially carrying out polishing, degreasing, dipping, bright dipping and ultrasonic cleaning on the titanium-tantalum alloy; 2, forming an oxidation film layer on the surface of the titanium-tantalum alloy through micro-arc oxidation, anodic oxidation or hard anodic oxidation treatment; and 3, cleaning and drying after hole sealing treatment. According to the titanium-tantalum alloy disclosed by the invention, the oxidation film layer is formed in situ on the surface of the treated titanium-tantalum alloy with a flat and clean surface through a micro-arc oxidation, anodic oxidation or hard anodic oxidation method, and the oxidation film layer is more tightly combined with a titanium-tantalum ...

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23-05-2023 дата публикации

Geometry-probability shaping optical signal generation method based on automatic encoder

Номер: CN116155393A
Принадлежит:

The invention discloses a geometric-probability shaping optical signal generation method based on an automatic encoder, and belongs to the field of optical communication. An optical signal is generated through an automatic encoder, the generated signal is continuously updated through the iterative training process of the automatic encoder, an optical signal modulation method suitable for a transmission channel is obtained after training of the automatic encoder is completed, and low-dimensional information of the automatic encoder is reconstructed back to a high-dimensional expression through a decoder; the automatic encoder predicts an input regression task and is responsible for automatically constructing a transmitting constellation, enabling transmitting bits to correspond to constellation generation points, adding damage to a transmitting signal through an optical fiber channel, and restoring a receiving signal into a bit sequence through a decoder. According to the method, the influence ...

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04-04-2023 дата публикации

Method for reducing influence of heating and cooling processes on performance in vacuum brazing process

Номер: CN115889922A
Принадлежит:

The invention discloses a method for reducing the influence of heating and cooling processes on performance in a vacuum brazing process. The method comprises the following steps: 1, placing a to-be-welded part in an inlet end of a vacuum tube furnace, and connecting the to-be-welded part with a blind plate of a push-pull rod in a sealing manner; 2, vacuumizing the vacuum tube furnace; thirdly, the to-be-welded part is pushed to a constant-temperature area through a push-pull rod to be heated and subjected to heat preservation for brazing, and a welded part is obtained; and fourthly, the welded part is pulled back to the end of the vacuum tube furnace through a push-pull rod to be cooled. The push-pull rod is connected to the blind plate at the inlet end of the vacuum tube furnace in a sealed mode, the push-pull rod is used for rapidly pushing the to-be-welded part to the constant-temperature area for vacuum brazing, the welding part is rapidly conveyed to the end opening for cooling, the ...

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27-06-2023 дата публикации

Optical communication system channel construction method based on deep learning

Номер: CN116346217A
Принадлежит:

The invention discloses an optical communication system channel construction method based on deep learning, and belongs to the field of optical communication. The implementation method comprises the steps that a conditional generative adversarial network is adopted to construct an optical communication system channel, a joint loss function containing optimization of multiple sets of loss functions is constructed, and the multiple sets of loss functions comprise mean square error loss, adversarial loss and mean absolute error loss. The conditional generative adversarial network comprises a generator and a discriminator, data distribution at the receiving end and the transmitting end of the optical communication system is captured through the generator, and receiving end new data with the same distribution is generated and used for confusing the discriminator; the discriminator discriminates generated false data and real receiving end data, and when the discriminator reaches Nash equilibrium ...

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15-08-2023 дата публикации

Nonlinear damage equalization method for modular division multiplexing communication system

Номер: CN116599598A
Принадлежит:

The invention discloses a nonlinear damage equalization method for a mode division multiplexing communication system, and belongs to the field of optical fiber communication. The implementation method comprises the following steps that: an OAM-MDM optical fiber communication system sends and receives a pulse amplitude modulation (PAM) signal sequence, and constructs a data feature vector by using a received PAM data symbol; training the equalizer by using the training data set; and inputting the test data set into the AffityNet equalizer to obtain a predicted value of the signal, thereby realizing high-accuracy data recovery. The AffityNet establishes an accurate nonlinear model by using a'small sample ', and has relatively high generalization ability to predict the random feature nonlinearity of the OAM-MDM. And the AffityNet nonlinear equalizer can effectively compensate the random nonlinearity in the OAM-MDM system through a nonlinear model learned by a small sample. According to the ...

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18-04-2023 дата публикации

Photon radio frequency signal generation method based on pre-coding and probabilistic shaping joint optimization

Номер: CN115987404A
Принадлежит:

The invention discloses a method for generating a photon radio frequency signal based on precoding and probability shaping joint optimization, and belongs to the field of communication. The implementation method comprises the following steps of: splitting a binary information sequence into a basic layer sequence and a processing layer sequence; a processing layer sequence is input into a distribution matcher to generate a non-uniform symbol sequence with expected probability distribution, a quadrant bit and an information bit are combined to realize probability shaping, and the information sequence is converted into a PS-QAM signal through QAM modulation; pre-processing the amplitude and phase of the signal by using a pre-coding technology; after the modulation signal and the radio frequency sine wave signal are mixed, a Mach-Zehnder modulator is driven to realize optical carrier suppression modulation on continuous optical waves generated by a distributed feedback laser; optical millimeter ...

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04-07-2023 дата публикации

Channel construction method of modular division multiplexing communication system

Номер: CN116389287A
Принадлежит:

The invention discloses a channel construction method of a mode division multiplexing communication system, and belongs to the field of optical fiber communication. The implementation method comprises the following steps: constructing a condition vector based on a sent M-PAM signal sequence, constructing real data based on the M-PAM signal sequence subjected to synchronous processing, and constructing a training data set based on the condition vector and the real data; an AWCGAN network model used for modular division multiplexing system channel construction is constructed, the condition vector is used as an input feature sequence of a generator network model in the network model, and the real data is used as an input feature sequence of a discriminator network model in the network model; training a network model; and inputting the condition vectors in the test set into the trained generator network, outputting to obtain a prediction signal of each signal, and calculating a normalized mean ...

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09-06-2023 дата публикации

Optical fiber acoustic sensor based on spiral metamaterial

Номер: CN116242471A
Принадлежит:

The invention discloses an optical fiber acoustic sensor based on a spiral metamaterial, and belongs to the field of optical fiber sensing. In order to solve the problem that the sensitivity of an existing acoustic sensor is limited by the lowest pressure detection limit, and consequently the sensitivity of the sensor is low, the optical fiber acoustic sensor based on the spiral metamaterial comprises a quartz capillary tube, a single-mode optical fiber and the spiral metamaterial. The two sides of the quartz capillary tube are connected with the single-mode optical fiber through welding to form a single-mode optical fiber-quartz capillary tube-single-mode optical fiber structure; and the spiral metamaterial surrounds the outer side of the single-mode fiber-quartz capillary-single-mode fiber. The required wavelength range can be determined by changing the spiral length, the spiral stage number and the connection mode of the spiral metamaterial. Within the wavelength range, the spiral metamaterial ...

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01-08-2023 дата публикации

Preparation method of large-size casting-defect-free high-entropy alloy cast ingot with uniform components

Номер: CN116511429A
Принадлежит:

The invention discloses a preparation method of a large-size casting-defect-free high-entropy alloy cast ingot with uniform components, which comprises the following steps of: 1, weighing raw materials according to the design component proportion of the high-entropy alloy cast ingot, and storing after isolating, grinding, cleaning and drying; 2, selecting raw materials for magnetic suspension smelting to obtain a rough cast ingot; thirdly, the multiple thick cast ingots are welded to an auxiliary electrode after being welded, and a consumable electrode is obtained; 4, the consumable electrode is subjected to vacuum consumable smelting, and a cast ingot is obtained; and 5, cutting off a dead head of the cast ingot to obtain the high-entropy alloy cast ingot. Through limitation of raw material selection, a magnetic suspension smelting process and a vacuum self-consuming smelting process, the component uniformity of the high-entropy alloy cast ingot is improved, impurity pollution is avoided ...

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18-04-2023 дата публикации

Nickel-based wear-resistant self-lubricating coating and ultrahigh-speed laser cladding preparation method thereof

Номер: CN115976512A
Принадлежит:

The invention discloses a nickel-based wear-resistant self-lubricating coating and an ultrahigh-speed laser cladding preparation method thereof. The coating is prepared from the following raw materials in percentage by mass: 20-40% of nickel-based alloy powder, 30-45% of carbide ceramic powder and the balance of nickel-coated graphite powder, the preparation method comprises the following steps: 1, performing fine grinding on a substrate, and performing ultrasonic cleaning to obtain a pretreated substrate; 2, uniformly mixing the nickel-based alloy powder, the carbide ceramic powder and the nickel-coated graphite powder, and drying to obtain nickel-based wear-resistant self-lubricating coating raw material powder; and thirdly, the nickel-based wear-resistant self-lubricating coating raw material powder is adopted for conducting ultra-high-speed laser cladding on the pretreated base body, and the nickel-based wear-resistant self-lubricating coating is formed. The hardness of the coating ...

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15-08-2023 дата публикации

Preparation method of titanium-based alloy amorphous powder for brazing

Номер: CN116586620A
Принадлежит:

The invention discloses a preparation method of titanium-based alloy amorphous powder for brazing. The method comprises the following steps: 1, preparing various metal raw materials according to a target product, namely a titanium-based alloy for brazing, and smelting to obtain a titanium-based master alloy ingot; secondly, the titanium-based master alloy ingot is molten and then splashed and thrown out through a vacuum melt-spinning machine, and amorphous powder is obtained; and thirdly, the amorphous powder is screened, and the titanium-based alloy amorphous powder for brazing is obtained. According to the method, amorphous preparation and powder preparation are combined, the titanium-based alloy amorphous powder for brazing which is high in activity, good in heat resistance and corrosion resistance, good in brazing process performance and easy to spread is obtained, the brazing temperature of titanium alloy is effectively reduced, improvement of the performance of a welding part is facilitated ...

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28-04-2023 дата публикации

High-hydrogen-content, high-temperature-resistant and radiation-resistant yttrium hydride block material and preparation method thereof

Номер: CN116030994A
Принадлежит:

The invention discloses a high-hydrogen-content, high-temperature-resistant and radiation-resistant yttrium hydride block material which is prepared from the following elements in percentage by mass: more than or equal to 99% of H + Y, more than or equal to 1.96% of H and the balance of inevitable impurities, the preparation method of the yttrium hydride block material comprises the following steps: 1, carrying out low-temperature pre-hydrogenation treatment; 2, cold pressing; and 3, sintering. According to the yttrium hydride block material disclosed by the invention, the composition and the content of each element are limited, so that the yttrium hydride block material with the H mass content of 1.96% or above is obtained, and the high-temperature resistance and the radiation resistance of yttrium hydride are enhanced; according to the pre-hydrogenation-powder metallurgy cold pressing-sintering method, the hydrogen content of the yttrium hydride block material is increased, then the strength ...

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23-06-2023 дата публикации

Method for strengthening inner and outer surfaces of high-brittleness semiconductor component with thin-wall structure

Номер: CN116288131A
Принадлежит:

The invention discloses a thin-wall-structure high-brittleness semiconductor component inner and outer surface strengthening method which comprises the following steps: step 1, fixing a thin-wall-structure high-brittleness semiconductor component on a pagoda-shaped elastic fastening device to obtain a to-be-processed assembly; and 2, depositing coatings on the inner wall and the outer wall of the high-brittleness semiconductor component in the to-be-processed assembly obtained in the step 1, and completing performance improvement of the high-brittleness semiconductor component with the thin-wall structure. Through the surface modification technology, the coatings are deposited on the inner wall and the outer wall of the high-brittleness semiconductor component, the performance of the high-brittleness semiconductor component with the thin-wall structure is improved, and the application range of the high-brittleness semiconductor component with the thin-wall structure is expanded; and a uniform ...

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23-06-2023 дата публикации

Abrasion-resistant hard anodic oxide film layer on surface of aluminum alloy and staged preparation process thereof

Номер: CN116288589A
Принадлежит:

The invention discloses a corrosion-resistant hard anodic oxide film layer on the surface of an aluminum alloy and a staged preparation process of the corrosion-resistant hard anodic oxide film layer. The process comprises the steps that 1, an aluminum alloy part is subjected to deoiling, dipping, bright dipping, neutralizing, ultrasonic cleaning and blow-drying; 2, forming a wear-resistant hard anodic oxidation film layer on the surface of the aluminum alloy part through hard anodic oxidation; 3, ultrasonic cleaning after neutralization; and 4, drying after high-temperature hole sealing. According to the method, hard anodic oxidation of a staged process is adopted, the generation and dissolution time of an oxidation film layer in the hard anodic oxidation process is effectively regulated and controlled, the roughness of the hard anodic oxidation film layer is reduced, the hard anodic oxidation film layer and the aluminum alloy part are combined more tightly, the surface hardness of the ...

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