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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 18. Отображено 18.
21-01-2015 дата публикации

Manufacturing method for GaN-based light-emitting diode chip

Номер: CN104300048A
Автор: LIU YAN, MA YULING, PENG LU, XU XIAN'GANG
Принадлежит:

A manufacturing method for a GaN-based light-emitting diode chip includes the following steps that (1), a mesa structure is formed through dry etching from a p-type GaN layer to an n-type GaN layer of a GaN-based epitaxial wafer, a mesa is manufactured on the n-type GaN layer, and photoresist remaining on the surface is removed; dry etching is ICP etching and includes the two steps that 1, Cl2 and BCl2 are adopted as etching gas for etching the GaN-based epitaxial wafer; 2, O2 is adopted for removing the remaining photoresist; (2), an ITO transparent conducting film grows on the surface of the p-type GaN layer; (3), a p-type electrode and an n-type electrode are manufactured on the ITO transparent conducting film and the mesa of the n-type GaN layer respectively; (4), a passivation layer is manufactured on the surface of the GaN-based light-emitting diode chip. According to the method, the step of removing the photoresist through O2 plasmas is added in ICP etching, the remaining photoresist ...

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Номер записи: 1
05-11-2008 дата публикации

Method for deinking and degumming of waste book and newspaper

Номер: CN0101298743A
Автор: YULING MA, LIZHI MA, MA YULING, MA LIZHI
Принадлежит:

The invention discloses a de-inking and de-gumming method for waste books and newspapers, relating to the de-inking and de-gumming method for pulping process of waste books and newspapers. The method comprises the following steps: a certain quantity of waste books and newspapers are selected for preparation; then water is injected into a high consistency pulper, the weight of water is 8 to 10 times of that of the waste books and newspapers, then the water is heated to 90 to 95 DEG C, then sodium hydroxide is added according to the proportion of 5 to 10 percent of the weight of the waste books and newspapers, then the waste books and newspapers are added into the high consistency pulper, the water temperature is preserved and pulping is carried out for 40 to 60 minutes. The method has the beneficial effects that: 1, the quality is high; de-inking and de-gumming is thorough and the white degree can reach more than 80 degree after bleaching; 2, the manufacturing cost is low as de-inking agent ...

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Номер записи: 2
18-08-2023 дата публикации

Saw blade and girdling saw

Номер: CN116602138A
Автор: CUI QIANG, MA YULING, ZHANG HONGHAI, CONG PEIMIN, CAO HONGJIAN, WANG LINJUN, WANG ZHAOSHUN
Принадлежит:

The invention provides a saw blade and a girdling saw, and belongs to the technical field of girdling saws. The saw comprises a saw blade body, sawtooth units which deviate from the two sides of the plane where the saw blade body is located and are sequentially arranged in a staggered mode are arranged on the edge of the saw blade body, each sawtooth unit comprises two cutting teeth and a mashing tooth clamped between the two cutting teeth, and the tooth edges of the mashing teeth are located between the tooth edges of the cutting teeth and the plane where the saw blade body is located. The saw blade is adopted by the girdling saw. The sawtooth units which are arranged in a staggered mode can saw cutting marks with the needed width at a time. The mashing teeth can mash the bark with a certain width cut by the cutting teeth, so that the bark falls off, and the situation that two narrow cutting marks are cut at a time is avoided. Due to the fact that each sawtooth unit comprises the two cutting ...

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Номер записи: 3
11-11-1998 дата публикации

Supporting board for fixing cake

Номер: CN0002296866Y
Автор: MA YULING, YULING MA
Принадлежит: MA YULING

The utility model relates to the improvement of a food package box, particularly a supporting board for fixing a cake, and the supporting board is positioned on the base plate of a cake box. The shape of the flaky supporting board is fit for that of the bottom surface of the cake, the periphery of the supporting board is greater than that of the bottom surface of the cake, and the surface of the supporting board is provided with a prominence. When the utility model is used, the cake is placed on the supporting board, the prominence arranged on the supporting board is embedded in the cake, causing the cake and the supporting board to be fixed correspondingly, and then, the supporting board and the cake are placed on the base plate of the cake box. The cake does not slip in the process of transportation and sale, and the cream pattern of the cake does not be damaged. The supporting board has easy fabrication, convenient disinfection, sanitation, cleanness and easy packaging sealing, and the ...

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Номер записи: 4
23-06-2023 дата публикации

Collaborative knowledge tracking modeling method and system based on comparative learning

Номер: CN116306863A
Автор: CUI CHAORAN, ZHANG CHUNYUN, MA HEBO, YAO YUMO, XU HAORAN, MA YULING
Принадлежит:

A collaborative knowledge tracking modeling method based on comparative learning comprises the following steps: collaborative prediction: before a student makes each question, determining the similarity between a historical answer sequence of the student and historical answer sequences of other students by calculating the intersection-union ratio of the historical answer sequence of the student and the historical answer sequence of the other students, and finally retrieving the most similar K students, extracting common knowledge states and answer expressions of the students at the next moment, and performing corresponding prediction together with historical answer sequences of the original students; in the searched similar students, the knowledge states are similar when doing the same question, that is, the knowledge states and the knowledge states of the original students at the moment form a pair of positive examples, on the contrary, the knowledge states of other moments and the knowledge ...

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Номер записи: 5
23-06-2023 дата публикации

Indoor distribution system fault diagnosis method and device and electronic equipment

Номер: CN116321241A
Автор: MA YULING
Принадлежит:

The invention discloses an indoor distribution system fault diagnosis method and device and electronic equipment. The indoor distribution system fault diagnosis method provided by the invention mainly comprises the step of obtaining a fault result of an indoor distribution system based on the change of a signal coverage range of active equipment. The actual condition of the network can be quickly diagnosed through the power change of the active equipment, and the problems that the fault diagnosis process of the indoor distribution system is complex, the efficiency is low, fault points are prone to being missed, and the rectification effect is not ideal are solved.

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Номер записи: 6
23-06-2023 дата публикации

Acetoacetic acid content detection kit, use method thereof and detection device

Номер: CN116297435A
Автор: LIU YANG, JIA YINGTONG, ZHENG ZHENHUI, ZHENG HAOLIANG, WANG XU, MA YULING
Принадлежит:

The invention discloses an acetoacetic acid content detection kit, a use method thereof and a detection device. The acetoacetic acid content detection kit comprises a reagent R1, a reagent R2, a reagent R3 and a reagent R4, and the reagent R1 comprises beta-hydroxybutyrate dehydrogenase, reduced coenzyme I and a standard substance; the R2 reagent comprises a color developing agent 1 and a color developing agent 2, and the color developing agent 1 is WST-8; the color developing agent 2 is at least one of phenazine methyl sulfate, 2, 6-dichlorophenol indophenol, 1, 2, 3-trichloropropane and fullerene phenyl methyl butyrate; the R3 reagent comprises a buffer solution; and the R4 reagent comprises at least one of acetoacetic acid and lithium acetoacetate. By adopting the acetoacetic acid (AcAc) content detection kit provided by the invention, the condition that a measured value is small due to the fact that ultraviolet absorption interferents in a sample are easily influenced when ultraviolet ...

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Номер записи: 7
02-09-2015 дата публикации

GaN-based light-emitting diode chip with gradually-changed refractive index of passivation layer, and manufacturing method of GaN-based light-emitting diode chip

Номер: CN104882523A
Автор: LIU YAN, MA YULING, XIA WEI
Принадлежит:

The invention relates to a GaN-based light-emitting diode chip with gradually-changed refractive index of a passivation layer. The GaN-based light-emitting diode chip comprises an n-type GaN layer, a quantum well layer, a p-type GaN layer and a transparent conducting layer which are arranged from bottom to top, wherein metal electrodes are arranged on the transparent conducting layer and the n-type GaN layer respectively; the passivation layer with gradually-changed refractive index is arranged on the exposed upper surface of the transparent conducting layer, the exposed upper surface of the n-type GaN layer and edge regions of the metal electrodes; and the passivation layer is composed of a silicon nitride film, a silicon oxynitride film and a silicon oxide film. By adopting the passivation layer with gradually-changed refractive index, more light produced in an active region of a GaN LED chip can be extracted, the external quantum efficiency of the GaN LED chip is improved, and the brightness ...

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Номер записи: 8
30-10-2020 дата публикации

Multifunctional storage device

Номер: CN0211810882U
Автор: SONG XIAOWEN, ZOU JIAXUAN, HE XIANYI, LIU QIN, XU CHAO, MA YULING, ZHAO YUANCHEN, QIU RAN, WANG JUAN, WANG NAN
Принадлежит: SONG XIAOWEN

A multifunctional storage device comprises a first storage box, a second storage box and a separation device. A cover plate is arranged at the top of the first storage box; a mounting plate is arranged on the first storage box; a plug pin and a slot are arranged on the first storage box; the second storage box is provided with an insertion groove matched with the insertion pin and an insertion pinmatched with the insertion groove. A magnetic attraction plate is embedded into a box body of the first storage box, and a mounting belt is arranged on the inner wall of the first storage box; the mounting belt comprises a plurality of elastic air bags which are tightly arranged together; a mounting groove is formed in the mounting plate; a cylindrical connecting piece is arranged on one side ofthe separating device and is inserted into the mounting groove; two winders are arranged in the mounting groove, and torsion springs are arranged on the winders; an elastic belt is wound on the winder; a ...

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Номер записи: 9
09-05-2023 дата публикации

Light ceiling suction hood

Номер: CN116078774A
Автор: ZHOU XIANDA, MAO YANJUN, WU LEI, MA YULING
Принадлежит:

The invention provides a light top suction hood. The light top suction hood comprises a support, an air catching box, a driving assembly and a top suction hood body. The bracket comprises a bracket longitudinal beam; the driving assembly comprises a base, a motor installed on one side of the base, a screw installed on the base and a transmission block connected to the screw in a sleeving mode, the motor is electrically connected with the screw, and the base is fixedly arranged on the support longitudinal beam; a sliding rail is installed on the inner side face of the support longitudinal beam, the top suction cover comprises a suction cover frame, and one side of the sliding rail is connected with the suction cover frame. The transmission block is fixedly connected with the suction hood frame through a connecting plate; the air catching box is arranged at the end, away from the motor, of the support longitudinal beam. The device is simple in transmission structure and convenient to operate ...

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Номер записи: 10
16-09-2015 дата публикации

Substrate-replaced normally-mounted GaN-based light-emitting diode chip and preparation method thereof

Номер: CN104916771A
Автор: WU XIANGLONG, XIA WEI, MA YULING, WANG DEXIAO, LIU YAN
Принадлежит:

The invention provides a substrate-replaced normally-mounted GaN-based light-emitting diode chip which comprises a high-thermal-conductivity substrate, a solder layer, a GaN buffer layer, an n-type GaN layer, a quantum well layer, a p-type GaN layer and a transparent conductive film layer which are arranged from the bottom up, or the high-thermal-conductivity substrate, the solder layer, a metal reflection layer, the GaN buffer layer, the n-type GaN layer, the quantum well layer, the p-type GaN layer and the transparent conductive film layer which are arranged from the bottom up. The transparent conductive film layer and the n-type GaN layer are provided with a p electrode and an n electrode respectively; and the exposed upper surface of the transparent conductive film layer and the exposed upper surface of the n-type GaN layer as well as the marginal areas of the p and n electrodes are respectively provided with a passivation layer. The substrate-replaced normally-mounted GaN-based light-emitting ...

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Номер записи: 11
27-05-2015 дата публикации

Method for preparing GaN-based light emitting diode chip

Номер: CN104659165A
Автор: MA YULING, PENG LU, LIU YAN, XU XIAN'GANG
Принадлежит:

The invention discloses a method for preparing a GaN-based light emitting diode chip. The method comprises the following steps: (1) growing a transparent conductive film on the surface of a P-type GaN layer; (2) manufacturing a conductive layer pattern of the transparent conductive film on the surface of the transparent conductive film; (3) pre-baking, removing moisture and a solvent on the surface of a GaN-based epitaxial wafer, and manufacturing a p-type GaN platform surface structure photoresist pattern; (4) etching a platform surface structure according to the pattern of the platform surface structure, and manufacturing a platform surface on an n-type GaN layer; (5) respectively preparing a p-type electrode and an n-type electrode on the platform surfaces of the transparent conductive film and the n-type GaN layer to obtain the GaN-based light emitting diode chip; (6) manufacturing a passivation layer on the surface of the GaN-based light emitting diode chip. By adopting the method, ...

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Номер записи: 12
18-03-2015 дата публикации

High-efficiency generating set utilizing automobile exhaust

Номер: CN104420952A
Автор: MA YULING
Принадлежит:

The invention discloses a high-efficiency generating set utilizing automobile exhaust. The high-efficiency generating set mainly comprises a gas sucking pipe, a spark plug, a one-way auxiliary valve, a moving cylinder, a sliding body, a spring, a crankshaft, a crank-link mechanism, a generator, a storage battery, a thermoelectric power generating plate, an exhaust gas collecting chamber and a liquid CO2 cooling chamber. According to the high-efficiency generating set disclosed by the invention, negative pressure is formed by a fastened flowing speed of high-temperature exhaust gas at a horn mouth in the front end of an exhaust pipe, so that the gas sucking pipe can be used for sucking fresh air to form mixed gas which enters a closed space formed by the moving cylinder, the one-way auxiliary valve and the sliding body; high-temperature and high-pressure exhaust gas formed by secondary combustion of the mixed gas by virtue of the spark plug can be used for pushing the sliding body to do ...

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Номер записи: 13
18-03-2015 дата публикации

Multi-functional anti-static touch pen

Номер: CN104423637A
Автор: MA YULING
Принадлежит:

The invention discloses a multi-functional anti-static touch pen. The touch pen comprises a pen shell consisting of a front shell and a rear shell, wherein the front end of the front shell is provided with a conductive silicone pen point; the front shell is fixed to the conductive silicone pen point through a fixing copper sleeve; an electrostatic indication neon lamp which is connected with the conductive silicone pen point is arranged in the pen shell; a transparent lamp window is arranged between the front shell and the rear shell; the rear shell is provided with a hanging hole. The touch pen has the beneficial effects of practicability, low production cost, convenience in use and convenience in writing or other operations on a capacitive touch screen.

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Номер записи: 14
09-05-2023 дата публикации

Tire pattern classification method, system, medium and equipment based on grouping decoder

Номер: CN116091849A
Автор: LIU MENG, LI SHENGHUA, ZHOU DI, GUO JIE, NING YANG, MA YULING
Принадлежит:

The invention belongs to the technical field of image processing, provides a tire pattern classification method and system based on a grouping decoder, a medium and equipment, and aims at bridging a gap between low-level visual features and high-level semantics, and the scheme is as follows: obtaining a tire pattern image type based on a tire pattern image data set and a trained tire pattern classification model; wherein the training process of the tire pattern classification model comprises the steps of constructing a teacher network and a student network based on transfer learning, adjusting the structure of the teacher network, replacing a global average pooling layer in the teacher network with a linear projection layer and a grouping decoder, and obtaining the classification probability of a tire pattern image through linear projection and grouping decoding; performing knowledge distillation on the student network through the teacher network to obtain a KL divergence loss and cross ...

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Номер записи: 15
28-05-2014 дата публикации

Method for preparing high-dispersion nanocomposite in liquid, supercritical and near-critical CO2 through induction of inorganic acid

Номер: CN103818918A
Автор: YIN JIANZHONG, XU QINQIN, MA YULING, XU GANG, LIU YIFAN
Принадлежит:

The invention provides a method for preparing a high-dispersion nanocomposite in liquid, supercritical and near-critical CO2 through induction of inorganic acid, belonging to the technical field of nano-materials. According to a technical scheme, the method comprises the following steps: adding 1 to 5 ml of an organic solvent and 0.1 to 1 ml of inorganic acid with a concentration of 0.5 to 2 mol/L into 50 to 300 mg of nitrate; placing the obtained solution at the bottom of a reactor; placing 50 to 300 mg of a mesoporous silica carrier into the stainless steel charging basket of reactor and introducing CO2 at a temperature of 20 to 70 DEG C, wherein a reaction pressure is 6 to 20 MPa, reaction time is no more than 1 h, and a pressure release speed is within 0.1 MPa/min; and carrying out roasting at a temperature of 300 to 500 DEG C for 2 to 4 h so as to obtain a silica-supported metal or metal oxide nanocomposite. According to the invention, reaction time is short, a nanophase is highly ...

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Номер записи: 16
09-07-2014 дата публикации

Large chip exposing method and chips

Номер: CN103913954A
Автор: PENG CHAOQUN, DAI XINHUA, FANG BIAOFENG, MA YULING
Принадлежит:

The invention discloses large chips exposing method and chips, when a large chip composed of at least two blocks of light covers is exposed through an exposure machine, the method comprises the following steps: a first position having alignment marks is arranged in a free area of each block of the light cover; a wafer exposure alignment mark is formed at the first position through a first method; the wafer exposure alignment mark is exposed on a wafer of a photoresist of a photoresist coating, an alignment mark image is defined in each exposure field through development imaging, according to the defined wafer exposed alignment mark, an automatic aligning system of each exposure machine defines the figure exposure of at least two light covers, so that at least two blocks of light covers are connected to form a large chip. The method and the apparatus can save the manufacture of a zero layer light cover, a film-growing, photoetching and etching technology flow can be saved while the aligning ...

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Номер записи: 17
06-08-2014 дата публикации

Serialized file parsing device and method

Номер: CN103970746A
Автор: LI YIQIANG, WANG JINYING, MA YULING
Принадлежит:

The invention provides a serialized file parsing device and method. The device comprises an FPGA, a PCI-E circuit, an encryption circuit, a DDR2 circuit and a power supply circuit, wherein the FPGA is used for parsing a received serialized file into file blocks and a parsing result is obtained by using a VTD model; the power supply circuit obtains power from a computer through a PCI-E interface, and is used for supplying power to the FPGA, the encryption circuit and the DDR2 circuit; the encryption circuit is used for encrypting data in the FPGA; the PCI-E circuit, the encryption circuit and the DDR2 circuit are connected to the FPGA; the PCI-E circuit is connected to the PCI-E interface of the computer; the power supply circuit is connected to the FPGA, the encryption circuit and the DDR2 circuit respectively. The serialized file parsing method is based on the VTD model, one serialized file is parsed into a plurality of serialized file blocks, synchronization parsing on each file block ...

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Номер записи: 18