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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 32. Отображено 32.
23-06-2023 дата публикации

Combined preparation method of methionine or derivative thereof and tert-butylamine compound

Номер: CN116283686A
Автор: LANG XIANDONG, WANG ZHIXUAN, YANG YING, LIU XIAOHAN, BIAN YUQING, CHEN CONG
Принадлежит:

The invention discloses a combined preparation method of methionine or a derivative thereof and a tert-butylamine compound, which comprises the following steps: reacting a specific nitrile compound with tertiary alcohol or corresponding olefin to generate an amide compound, and then hydrating and acidifying to prepare the methionine or the derivative thereof and the tert-butylamine compound at the same time. The method is simple and easy to operate, does not generate environment-polluting or low-value byproducts, is high in atom economy, solves the problems that the cost is increased due to the fact that ammonia gas needs to be removed in the solid methionine reaction process and a large amount of ammonium sulfate is generated as a byproduct in conventional liquid methionine production, fully utilizes ammonia resources in a high-value manner, and is suitable for industrial production. The preparation method solves the problems of difficult preparation, high cost and low conversion rate ...

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Номер записи: 1
07-05-2020 дата публикации

DEVICE FOR EVAPORATION AND CRYSTALLIZATION

Номер: WO2020088294A1
Автор: CHEN, Zhirong, LIU, Jinlong, QIU, Guisheng, WANG, Zhixuan, MA, Xiao, ZHOU, Yougui, CHEN, Weiyong, LIU, Xiaoqing
Принадлежит:

Provided by the present invention is a device used for evaporation and crystallization. The device comprises an evaporation container and a crystallization container. The device used for evaporation and crystallization further comprises a first circulation unit and a second circulation unit. The first circulation unit comprises a first branch pipe, a first circulation pump, and a first circulation inlet pipe that are successively connected. The second circulation unit comprises a second branch pipe, a second circulation pump, a heater, and a second circulation inlet pipe that are successively connected. The first circulation inlet pipe and the second circulation inlet pipe are connected to the evaporation container. By means of providing an additional first circulation loop, a portion of fine crystals are reintroduced into the crystallization container as a crystal nucleus, and a product that has more uniform particles and a controllable particle size is finally obtained.

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Номер записи: 2
26-05-2016 дата публикации

MAGNESIUM FLUORIDE-BASED CATALYST AND USE THEREFOR

Номер: WO2016078226A1
Автор: LV, Jian, MAO, Wei, BAI, Yanbo, QIN, Yue, WANG, Bo, WAN, Hong, WANG, Zhixuan, DU, Yongmei, LI, Yingchun, LI, Fengxian
Принадлежит:

Disclosed are a magnesium fluoride-based catalyst which is stable above 400oC and has a large specific surface area, and a preparation method for said catalyst. The present invention solves problems such as poor thermal stability and small specific surface area in magnesium fluoride-based catalyst preparation. The present preparation method for the magnesium fluoride-based dehydrohalogenation catalyst comprises the following steps: (1) preparing a suspension solution containing an insoluble magnesium salt and a surfactant, refluxing at 100oC, roasting for 4 hours at 400-550oC, and obtaining magnesium oxide having a large specific surface area; (2) adding an aqueous solution of hydrofluoric acid or ammonium fluoride in a dropwise manner to the magnesium oxide substrate obtained in (1) to perform fluorination, and roasting for 4 hours at 400oC-500oC to obtain magnesium fluoride; (3) impregnating the magnesium fluoride substrate obtained in (2) with an aqueous solution of a doping component ...

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Номер записи: 3
11-04-2023 дата публикации

Signal gain value adjusting method and device and sound signal processing method

Номер: CN115954014A
Автор: WANG ZHIXUAN, BAO YUANXIN, ZHAO YONG
Принадлежит:

The invention relates to a signal gain value adjusting method and device and a sound signal processing method, and the method comprises the steps: obtaining a target signal; identifying whether a target event exists in the target signal; and if yes, adjusting the gain value of the target signal in the duration of the target event. According to the invention, a linkage mechanism based on target event triggering can be realized, the quantization precision of a target event is improved by benefit from gain control, the operation frequency of signal amplitude in the whole use time is reduced, the invalid power consumption and the average power consumption of the whole use time are further reduced, and the requirements of high precision and low power consumption can be considered.

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Номер записи: 4
18-08-2016 дата публикации

METHOD FOR CONTINUOUS PREPARATION OF HIGH BULK DENSITY METHIONINE CRYSTAL

Номер: WO2016127707A1
Автор: CHEN, Zhirong, WANG, Zhixuan, CHEN, Cong, WANG, Zhengjiang, WANG, Cunchao, LI, Yin, ZHANG, Zhixiang
Принадлежит:

The present invention relates to a method for the continuous preparation of high bulk density methionine crystals. The process of the method is as follows: a hydrolysate, which is obtained from a reaction of 5-(β-methylthioethyl)hydantoin and a potassium carbonate solution, is mixed with an external circulation material from a DTB neutralization crystallizer having a gas phase neutralization section; after the mixture is cooled, the mixture enters a liquid distributor of a neutralization region in the upper part of the crystallizer; the mixture is sprayed in liquid droplets or trickles into carbon dioxide gas for neutralization reaction, and then naturally falls into a crystallization region in the lower part to be mixed with a material in the region; the mixture grows on small crystals in a system to form crystals having larger particle diameters, and meanwhile new crystal nucleuses are formed; in a settling region in the middle part of the crystallization region, the crystals having larger ...

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Номер записи: 5
11-08-2023 дата публикации

Packaging device

Номер: CN116573604A
Автор: WANG ZHIXUAN, ZHANG HAO, ZHANG NING, LI SICONG, WANG JIAXIN, YE LE
Принадлежит:

The invention relates to a packaging device, which comprises a shell, an electronic element and a first channel structure, and is characterized in that the shell is provided with an assembly cavity; the electronic element is arranged in the assembling cavity; the first channel structure is arranged on the shell, a first opening and a second opening which are communicated with the assembling cavity and the outside are formed in the two ends of the first channel structure respectively, and a first rough part used for increasing friction force is arranged on the inner wall of the first channel structure. The gas molecules passing through the first channel structure can collide and rebound at the first rough part, so that the degree of freedom of movement of the gas molecules in the first channel structure is reduced, energy transfer between the gas molecules and the inner wall of the first channel structure is increased, the average kinetic energy of the gas molecules is reduced, and the energy ...

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Номер записи: 6
04-07-2023 дата публикации

Lawn maintenance lamp

Номер: CN116379401A
Автор: WANG ZHIXUAN, ZHU JINGGANG
Принадлежит:

The invention relates to a lawn maintenance lamp which is applied to the technical field of lawn maintenance equipment and comprises a lamp holder, a lampshade is arranged on the lamp holder, an energy supply assembly is arranged on the lampshade, a lamp tube is installed in the lampshade, and the lamp tube is electrically connected with the energy supply assembly; a water storage tank is arranged on the side, opposite to the lampshade, of the lamp holder, a plurality of spraying holes are formed in the side wall of the water storage tank in a penetrating mode, a spraying mechanism is arranged in the water storage tank, the water storage tank communicates with a water inlet pipe, and the spraying mechanism extrudes water in the water storage tank out of the water storage tank through the spraying holes; a heightening column is connected to the end, back on to the lamp holder, of the water storage tank and provided with a fixing assembly, and the heightening column is fixed to a lawn through ...

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Номер записи: 7
07-05-2020 дата публикации

METHOD AND DEVICE FOR PREPARING 2-HYDROXY-4-METHYLTHIOBUTYRIC ACID AND INTERMEDIATES THEREOF

Номер: WO2020088060A1
Автор: CHEN, Zhirong, YIN, Hong, HU, Baishan, WANG, Zhengjiang, WANG, Zhixuan, CHEN, Cong, QIU, Guisheng, LI, Qichuan, SHI, Qingai
Принадлежит:

Provided by the present invention are a method and device for preparing 2-hydroxy-4-methylthiobutyric acid and intermediates thereof; the intermediates for preparing 2-hydroxy-4-methylthiobutyric acid comprise 3-methylthiopropionaldehyde and 2-hydroxy-4-methylthiobutyronitrile. The method for preparing 2-hydroxy-4-methylthiobutyric acid provided by the invention comprises: step (1), a step of causing acrolein to react with methyl mercaptan to prepare 3-methylthiopropionaldehyde; step (2), a step of causing 3-methylthiopropionaldehyde to react with hydrocyanic acid to prepare 2-hydroxy-4-methylthiobutyronitrile; step (3), a step of hydrating 2-hydroxy-4-methylthiobutyronitrile by using sulfuric acid, and then rehydrolyzing to prepare 2-hydroxy-4-methylthiobutyric acid; in steps (1), (2), and (3), the reaction conditions of the materials are detected online, and the proportions of the materials are controlled according to the detection results such that reactions are performed completely.

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Номер записи: 8
10-08-2017 дата публикации

BAICALIN MAGNESIUM, PREPARATION METHOD THEREOF AND APPLICATION OF SAME

Номер: WO2017133465A1
Автор: LIU, Cuizhe, WANG, Zhixuan, MIAO, Ceyu, LIU, Liyan, XUE, Hefei, LIU, Xigang, DU, Wenshan, LIU, Yixin, ZHANG, Lin, MAO, Xiaoxia, LIU, Jinjun, ZHAO, Guiqin
Принадлежит:

The present invention relates to a baicalin magnesium and further relates to a preparation method and extraction method of the baicalin magnesium. The preparation method comprises the steps of preparing a suspension of a baicalin, preparing a suspension containing a magnesium ion, reacting, and drying. The extraction method comprises the steps of pre-processing with a macroporous adsorption resin, extracting, adsorbing and eluting, concentrating and drying, and purifying. The baicalin magnesium preparation restores the baicalin to an original form found in the Scutellaria baicalensis plant, and can be used as a substitute for the baicalin in pharmaceutical applications. Compared with the baicalin, the baicalin magnesium has greatly increased solubility, faster oral absorption rate and higher bioavailability. The baicalin magnesium can also be easily formulated as a water-soluble agent or powder agent for injection. Pharmacological experiments showed that the baicalin magnesium is more pharmacologically ...

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Номер записи: 9
02-05-2023 дата публикации

Wall washing lamp with adjustable light-emitting angle

Номер: CN116045253A
Автор: WANG ZHIXUAN, ZHU JINGGANG
Принадлежит:

The invention relates to a wall washer with an adjustable light emitting angle, and relates to the field of lighting lamps, the wall washer comprises a lamp body, a plurality of substrates used for conducting electricity are arranged in the lamp body, every two adjacent substrates are conducted through a flexible wire, each substrate is electrically connected with a lamp bead, the substrate is provided with a lens used for condensing light, and the lamp beads are electrically connected with the lamp body. The base plates and the lamp body are rotationally arranged through rotating shafts, the base plates rotate in the length direction of the lamp body, the lamp body is provided with a driving assembly used for driving the base plates to rotate in the length direction of the lamp body, and each rotating shaft is connected with the driving assembly through a connecting assembly. The wall washing lamp has the effect of improving the uniformity of the light effect of the wall washing lamp.

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Номер записи: 10
30-06-2023 дата публикации

Outdoor low-voltage track for high-rise lamp installation

Номер: CN116357929A
Автор: WANG ZHIXUAN, WANG XIANG
Принадлежит:

The invention relates to an outdoor low-voltage track for high-rise lamp installation, and is applied to the technical field of lamp installation tracks. The LED lamp strip is arranged on an aluminum alloy framework of a curtain wall and comprises a track, an LED lamp strip, a power connector, a light-transmitting cover plate, a connecting mechanism and a pair of conductive strips, sealing plates are arranged at the two ends of the track, a groove is formed in the aluminum alloy framework, the track is arranged in the groove, and the track is connected with the aluminum alloy framework through a plurality of screws; the LED lamp strip is arranged in the track, a pressing strip is arranged on a circuit board of the LED lamp strip, a pair of limiting mechanisms is arranged in the track, and the limiting mechanisms abut against the pressing strip; the pair of conductive strips are arranged on the circuit board of the LED lamp strip and electrically connected with the circuit board, the elastic ...

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Номер записи: 11
29-08-2023 дата публикации

Stadium illuminating lamp and illuminating position adjusting method

Номер: CN116658861A
Автор: WANG ZHIXUAN, CAO XINGXING
Принадлежит:

The invention relates to a stadium lighting lamp and a lighting position adjusting method, and relates to the field of stadium lighting, the stadium lighting lamp comprises a mounting rack, a lamp holder adjusting device, a lamp holder, a lighting lamp adjusting seat and a lighting lamp set, the lamp holder is mounted on the mounting rack through the lamp holder adjusting device, and the lighting position adjusting seat is mounted on the mounting rack; the lamp holder adjusting device can adjust the inclined state of the lamp holder relative to the mounting frame, a plurality of illuminating lamp adjusting bases are arranged on the lamp holder, the illuminating lamp sets are mounted on the illuminating lamp adjusting bases, the illuminating directions of the illuminating lamp sets can be adjusted through the illuminating lamp adjusting bases, and each illuminating lamp set comprises an illuminating light source and an indicating light source. The indication light source irradiates the middle ...

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Номер записи: 12
16-05-2023 дата публикации

Control method for Internet of Things equipment, Internet of Things equipment and storage medium

Номер: CN116132492A
Автор: WANG ZHIXUAN, ZHANG HAO, ZHANG YADONG
Принадлежит:

The invention relates to a control method for an Internet of Things device, the Internet of Things device and a storage medium, and the method comprises the steps: calculating the duration of a detected potential event according to the start and end of the same detected potential event under the condition that the potential event is detected in a target signal; and under the condition that the duration of the detected potential event meets a preset active event duration requirement, identifying the potential event as an active event, and based on the identified active event, controlling the operation of the Internet of Things equipment. According to the method, the active event can be identified from the potential events, and the operation of the Internet of Things equipment is triggered based on the active event, so that the accurate triggering of the high-performance system can be realized based on the active event on the premise of meeting the low power consumption requirement.

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Номер записи: 13
06-06-2023 дата публикации

Interaction method and system based on sound features

Номер: CN116232790A
Автор: ZHANG YADONG, WANG KUNPENG, WANG ZHIXUAN
Принадлежит:

The invention discloses an interaction method and system based on sound characteristics, and the method comprises the steps: obtaining sound information; performing feature calculation on the sound information; and starting interaction operation according to a calculation result. According to the invention, the intellectualization of the interaction mode of the intelligent equipment is ...

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Номер записи: 14
28-04-2023 дата публикации

Co-catalytic preparation method of glufosinate-ammonium intermediate

Номер: CN116023409A
Автор: WANG JINJIN, WANG ZHIXUAN, WANG ZHENGJIANG, WANG PEIHUA, DU ZHENYU, LI JIANJUN, WANG RONG, CHEN CONG
Принадлежит:

The invention provides a co-catalysis preparation method of a glufosinate-ammonium intermediate, which can be widely applied to the technical field of glufosinate-ammonium preparation, and solves the technical problems that the existing preparation method is unreasonable, complex in operation, high in cost, more in impurities, low in yield and not suitable for industrial production. According to the preparation method, in an aprotic solvent, a compound II and a compound III are taken as raw materials, under the action of a co-catalyst, a synthetic reaction is carried out, and the glufosinate-ammonium intermediate I is prepared.

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Номер записи: 15
15-08-2023 дата публикации

Mail sending method and device, computing equipment and storage medium

Номер: CN116599924A
Автор: GAO ZECHUN, WANG ZHIXUAN
Принадлежит:

The invention discloses a mail sending method and device, computing equipment and a storage medium, the mail sending method is executed in a mail client, an editor resides in a mail editing interface of the mail client, and the method comprises the following steps: in response to a mail sending instruction, obtaining text content in a mail text area from the editor; judging whether the text content contains keywords related to the attachment or not; if so, detecting whether an attachment is added to the mail; and if no accessory exists, prompting to add the accessory. According to the mail sending method, valuable mail body content is obtained, only whether attachment related keywords exist in the mail body content or not is judged, and if attachment related words exist in the mail body content and no attachment is added, attachment adding reminding is carried out on a user. According to the method, the interference of keywords appearing in other contents except the content of the mail ...

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Номер записи: 16
04-04-2023 дата публикации

Method and device for correcting fault phase of relay protection fault information system and master station

Номер: CN115905258A
Автор: CHEN PENG, WANG YONGGANG, HUANG ZHIFANG, ZHAO DEJI, WANG SHIQI, HUANG BAOLI, YANG MINGWEI, LIU XING, LI GUOBIN, MA MENGDONG, LI JIAN, WU JUNJUN, GAO YUBAO, WANG ZHIXUAN, ZHANG YI, WANG HONGHU
Принадлежит:

The invention relates to a relay protection and safety automatic device on-line monitoring and analysis system, in particular to a method and a device for correcting a fault phase of a relay protection fault information system and a master station. According to the method, fault phase information sent on two sides of a fault line is compared, and when the fault phase information sent on two sides is inconsistent, the inconsistent part of the fault phase information sent on two sides is taken as interference information, and the fault phase information sent on one side containing the interference information is corrected to be consistent with the fault phase information on the other side. By adopting the method provided by the invention, the authenticity of the fault phase obtained by the master station cannot be influenced, and the fault phase information uploaded at the two ends of the fault phase obtained by the master station can be consistent, so that the problem that the fault report ...

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Номер записи: 17
14-07-2023 дата публикации

Self-cleaning water purification equipment

Номер: CN116425226A
Автор: WANG ZHIXUAN, WANG XIANG
Принадлежит:

The invention relates to the technical field of water purifiers, in particular to self-cleaning water purifying equipment which comprises a water inlet pipeline, a water filtering pipeline, a purified water outlet pipeline, a muddy water outlet pipeline, a water inlet valve and a water outlet valve. The water filtering pipeline comprises a first water filtering pipeline and a second water filtering pipeline, and filter elements are arranged in the first water filtering pipeline and the second water filtering pipeline; the water inlet pipeline, the water filtering pipeline and the muddy water outlet pipeline are all connected with the water inlet valve, and the water filtering pipeline is further connected with the purified water outlet pipeline through the water outlet valve; in a water supply state, the water inlet valve communicates the water inlet pipeline with the end of the first water filtering pipeline, and the water outlet valve communicates the first water filtering pipeline with ...

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Номер записи: 18
04-04-2023 дата публикации

Reactor and method for preparing hydrogen sulfide

Номер: CN115888565A
Автор: WANG ZHIXUAN, CHEN CONG, ZHANG YUXI, YU JIANMING, LANG XIANDONG, DING YUAN
Принадлежит:

The invention provides a reactor and a method for preparing hydrogen sulfide, and solves the technical problems of complex structure, low production efficiency and short service life of a catalyst of existing equipment. The reactor is provided with a shell, an upper seal head and a lower seal head, an upper partition plate is arranged between the shell and the upper seal head, a lower partition plate is arranged between the shell and the lower seal head, the reactor is provided with at least one hydrogen feeding pipe and at least one sulfur feeding pipe, at least one hydrogen discharging hole is formed in the pipe wall of the hydrogen feeding pipe, and at least one sulfur discharging hole is formed in the pipe wall of the sulfur feeding pipe. At least one sulfur discharging hole is formed in the pipe wall of the sulfur feeding pipe, a mixing pipe is arranged at the position of the central axis of the reactor, at least one air inlet hole is formed in the upper end of the pipe wall of the ...

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Номер записи: 19
25-04-2023 дата публикации

Pressure recognition system, pressure recognition method and computer readable storage medium

Номер: CN116010847A
Автор: ZENG XIANGWEN, WANG ZHIXUAN, XIAO HAN, CHEN PEIYU, WANG RONG, YE LE, HUANG RU
Принадлежит:

The invention discloses a pressure identification system, a pressure identification method and a computer readable storage medium. The pressure identification system comprises a control and peripheral circuit, and a pressure sensing and storing circuit, an analog front-end circuit and an analog calculation module which are respectively connected with the control and peripheral circuit; the control and peripheral circuit is used for controlling the circuit working logic and time sequence of the pressure sensing storage circuit, the analog front-end circuit and the analog calculation module; the pressure sensing and storing circuit is used for acquiring and storing an external pressure signal; the analog front-end circuit is used for converting the resistance value of the pressure signal into an analog voltage value; and the analog calculation module is used for processing the analog voltage value to obtain a pressure signal identification result. According to the pressure identification ...

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Номер записи: 20
04-04-2023 дата публикации

Preparation method and production system of 2-hydroxy-4-methylthiobutyrate

Номер: CN115894313A
Автор: LANG XIANDONG, YANG YING, WANG ZHIXUAN, CHEN CONG
Принадлежит:

The invention relates to a preparation method and a production system of 2-hydroxy-4-methylthio butyrate. The preparation method comprises the following steps: 1) reacting 2-hydroxy-4-(methylthio) butyronitrile with hydrogen peroxide in a first reactor under the catalysis of a dilute metal hydroxide suspension to generate 2-hydroxy-4-(methylthio) butyric acid amide; 2) carrying out hydrolysis reaction on the 2-hydroxy-4-methylthio butyric acid amide under the catalysis of the metal hydroxide suspension to generate 2-hydroxy-4-methylthio butyric acid; and 3) continuously adding a metal hydroxide solid into the third reactor, and carrying out a reaction on the 2-hydroxy-4-(methylthio) butyric acid and the metal hydroxide under stirring to generate the 2-hydroxy-4-(methylthio) butyrate. By adopting the preparation method provided by the invention, the reaction system does not generate inorganic salt wastewater, and the target product is high in purity.

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Номер записи: 21
04-07-2023 дата публикации

Information recommendation method and device and storage medium

Номер: CN116383485A
Автор: HE JUNYOU, DENG LIXI, WANG ZHIXUAN, XING FENG, MEI GUIBAO, QIU ZEYU, SU LEI, YANG XIAORUI, DING ZHUOYE, XU SULONG
Принадлежит:

Embodiments of the invention disclose an information recommendation method and apparatus, and a storage medium. The method comprises the steps of obtaining to-be-operated information of a target object under a target recommendation scene and a target recommendation task; inputting the target recommendation scene, the target recommendation task and the to-be-operated information into an information recommendation model to obtain to-be-recommended information corresponding to the target object; the information recommendation model is a model obtained by performing data weighting on training data according to a recommendation scene type and a recommendation task type and then performing training; and recommending the to-be-recommended information to the target object.

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Номер записи: 22
23-06-2023 дата публикации

Operational amplification circuit and operational amplification chip

Номер: CN116317995A
Автор: BAO YUANXIN, WANG ZHIXUAN, ZHAO YONG
Принадлежит:

The invention relates to the field of integrated circuits, in particular to an operational amplifier circuit and an operational amplifier chip. The operational amplifier circuit includes: a primary amplifier circuit having an input terminal, an output terminal and a control terminal, the input terminal being configured to receive a pair of differential input signals and the output terminal outputting a primary amplified signal that is amplified; the secondary amplification circuit is provided with an input end and an output end, the input end of the secondary amplification circuit is connected with the output end of the primary amplification circuit, and the secondary amplification circuit can amplify the received primary amplification signal and feed back the obtained secondary amplification signal to the control end of the primary amplification circuit through the output end of the secondary amplification circuit. And the first-stage amplification signal output by the first-stage amplification ...

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Номер записи: 23
29-08-2023 дата публикации

Wire duct structure with rotatable elbow

Номер: CN116667244A
Автор: WANG ZHIXUAN, ZHAO CHAO
Принадлежит:

The invention discloses a wire duct structure with a rotatable elbow, and relates to the technical field of wire ducts. The trunking structure with the rotatable elbow comprises a trunking body and the rotatable elbow, the rotatable elbow comprises a straight pipe, a rotating assembly and a connecting assembly, the connecting assembly is installed at one end of the straight pipe, the rotating assembly is installed at the other end of the straight pipe, the rotating assembly is connected between two adjacent straight pipes, and the rotating assembly is connected with the straight pipe. The connecting assembly is detachably connected with the trunking body, the rotating assembly comprises a coaxial rotating piece and a vertical rotating piece, the coaxial rotating piece is installed at the end of one straight pipe, the vertical rotating piece is installed at the end of the other straight pipe, and the coaxial rotating piece is connected with the vertical rotating piece. According to the invention ...

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Номер записи: 24
18-08-2023 дата публикации

Voltage reference circuit and equipment terminal

Номер: CN116610182A
Автор: LIU MAOQIANG, WANG ZHIXUAN
Принадлежит:

The invention relates to a voltage reference circuit and a device terminal.The voltage reference circuit comprises a current mirror unit, a first switch unit, a second switch unit and a voltage generation unit, and the ratio of the device size of a switch tube in the second switch unit to the device size of a switch tube in the first switch unit is preset; the first output end and the second output end of the current mirror unit have the same access current, so that the voltage difference between the first end of the second switch unit and the first end of the first switch unit is irrelevant to the temperature, and the first output end and the second output end of the current mirror unit have the same output end voltage. Therefore, the voltage difference between the two ends of the first resistive unit is equal to the voltage difference value between the first end of the second switch unit and the first end of the first switch unit, the voltage difference between the two ends of the second ...

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Номер записи: 25
16-05-2023 дата публикации

Pressure detection system, method, equipment and medium

Номер: CN116124334A
Автор: ZENG XIANGWEN, WANG ZHIXUAN, XIAO HAN, WANG RONG, YE LE, HUANG RU
Принадлежит:

The invention relates to a pressure detection system, method and equipment and a medium. The system comprises a friction generator set, a storage and calculation integrated circuit, a power management circuit and a control circuit, the power management circuit is electrically connected with the friction generator set, the storage and calculation integrated circuit and the control circuit, the friction generator set is connected with the storage and calculation integrated circuit, and the control circuit is connected with the storage and calculation integrated circuit; the friction generator set is used for converting a pressure signal in an external environment into a voltage value when the pressure detection system is in a detection mode; the storage and calculation integrated circuit is used for calculating a voltage value output by the friction generator set so as to identify an intelligent behavior corresponding to the pressure signal; the control circuit is used for controlling the ...

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Номер записи: 26
04-04-2023 дата публикации

Separation and purification method of glufosinate-ammonium

Номер: CN115894553A
Автор: WANG JINJIN, WANG ZHIXUAN, DU ZHENYU, LANG XIANDONG, WANG PEIHUA, LI JIANJUN, WANG RONG
Принадлежит:

The invention provides a glufosinate-ammonium separation and purification method, which can be widely applied to the technical field of glufosinate-ammonium preparation, and solves the technical problems of complex glufosinate-ammonium separation steps, high purification difficulty and low yield and purity in the existing glufosinate-ammonium preparation method. The separation and purification method of glufosinate-ammonium comprises the following steps: (1) adding an inorganic copper compound into a glufosinate-ammonium aqueous solution, heating, stirring, concentrating, cooling and filtering to obtain a copper diglufosinate-ammonium complex; and (2) dissolving the diglufosinate-ammonium copper complex obtained in the step (1) in a solution, introducing ammonia, controlling the pH value, filtering, and removing the solvent to obtain glufosinate-ammonium.

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Номер записи: 27
25-04-2023 дата публикации

Continuous adiabatic reaction crystallization device and application thereof

Номер: CN115999182A
Автор: WANG ZHIXUAN, CHEN CONG, ZHANG YUXI, LANG XIANDONG, ZHANG SHUANGSHUANG
Принадлежит:

The invention discloses a continuous adiabatic reaction crystallization device and application thereof.The continuous adiabatic reaction crystallization device comprises a crystallization reaction kettle and a crystal mush separation device, the crystallization reaction kettle is provided with an axial-flow type stirrer, and the axial-flow type stirrer comprises a stirring shaft and multiple layers of stirring blades; a central guide cylinder coaxial with the stirring shaft is arranged in the crystallization reaction kettle; the multiple layers of stirring blades are arranged in the central guide cylinder; an upper shielding device is arranged at the upper end of the central guide cylinder; a lower shielding device is arranged at the lower end of the central guide cylinder; the upper flow guide plate and the lower flow guide plate are obliquely arranged along the horizontal plane; the crystal-mush separation device comprises a crystal-mush separation tank, and a feeding pipe of the crystal-mush ...

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Номер записи: 28
14-04-2023 дата публикации

Switching connection method of ADC sampling circuit and circuit and chip thereof

Номер: CN115967402A
Автор: LU WENJUAN, WANG LIPING, SHI QI, BAO YUANXIN, WANG ZHIXUAN, PENG CHUNYU, WU XIULONG, LIN ZHITING
Принадлежит:

The invention relates to a switch connection method of an ADC sampling circuit, and a circuit and a chip thereof. According to the method, sampling is carried out before comparison, and in the sampling stage, the output end of a DAC circuit is connected with reference voltage VCM through a switch A1 controlled by a sampling control signal and connected with the positive end of a comparator, and the negative end of the comparator is connected with the output end of the DAC circuit through a switch A2 controlled by the sampling control signal; at the moment, the positive end voltage value of the comparator is equal to the output end voltage value of the DAC circuit and equal to the negative end voltage value, and the voltage values input to the positive end and the negative end of the comparator in the sampling stage are equal. In the comparison stage, the negative end of the comparator is connected with a reference voltage VCM through a switch B1 controlled by a comparison control signal ...

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Номер записи: 29
25-07-2023 дата публикации

Shielding device and testing method using same

Номер: CN116482426A
Автор: WANG ZHIXUAN, LIU MAOQIANG, MA ZHE'AO
Принадлежит:

The invention discloses a shielding device and a testing method using the shielding device. The shielding device is characterized in that the shielding device comprises shielding plates of at least two sizes and a plurality of connectors, and the number of the shielding plates of each size is multiple; the shielding plates are detachably connected through the connectors to form shielding covers of at least two sizes, and the shielding covers are used for conducting electromagnetic shielding on parts to be shielded on the test board when the electronic device is tested. According to the invention, the shielding device can be used for matching test boards with different sizes, and the components, wires and chips on the test boards which have influences on the to-be-tested chip after radiation in the coupling space and the specific influence degree can be found out.

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Номер записи: 30
01-08-2023 дата публикации

Mail display method and device, computing equipment and storage medium

Номер: CN116527625A
Автор: LIN DEZHI, WANG ZHIXUAN
Принадлежит:

The invention discloses a mail display method and device, computing equipment and a storage medium, the mail display method is executed in the computing equipment, and the method comprises the following steps: in response to a preset shortcut key input event, determining a mail category associated with a shortcut key; obtaining a mail list corresponding to the mail category, wherein the mail list records mail information of each mail belonging to the mail category and a mail display sequence; and determining a target mail based on the mail information and the mail display sequence, and displaying the content of the target mail on a display interface. According to the mail display method disclosed by the invention, quick jumping and switching can be carried out in the same kind of mails in a shortcut key input manner.

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Номер записи: 31
28-04-2023 дата публикации

Data product and data asset right confirmation method

Номер: CN116029867A
Автор: GONG GONG, LI ZHINAN, ZHANG WEI, LIN SHAOWEI, WANG ZHIXUAN, CHEN XIAO
Принадлежит:

The invention discloses a data product and data asset right confirmation method, which comprises the following steps of: establishing a working model for anonymous users to participate in data products and data assets according to current user behavior data, determining value contributions of the anonymous users to the data products and the data assets through value mining, and determining the right of the data products and the data assets according to a value contribution proportion of the anonymous users participating in the data products and the data assets. The acknowledgement of the data product and the data asset is distributed to the anonymous user, and a fair and reasonable objective judgment basis is provided for the acknowledgement distribution of each anonymous user.

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Номер записи: 32