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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.
29-12-2004 дата публикации

一种封边粘合剂

Номер: CN0001557900A
Автор: WANG CHENGGUI, CHEN XINSHENG, CHENGGUI WANG, XINSHENG CHEN, 王成贵
Принадлежит:

The edge closing adhesive has the production process including mixing vinyl acetate copolymer, xylene, rosin resin and cellulose in a stirrer; adding dispersant and complexing agent and stirring for 2.5-3 hr. The edge closing adhesive of the present invention has low cost, high adhering strength, fast drying, high construction efficiency, and other advantages ...

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Номер записи: 1
28-05-2014 дата публикации

Natural selection breeding method for imported penaeus parent shrimps

Номер: CN103814853A
Автор: YE NING, YE FULIANG, PENG SHUFENG, WANG CHENGGUI
Принадлежит:

The invention relates to a natural selection breeding method for imported penaeus parent shrimps, and belongs to the technical field of aquaculture. The method comprises the steps: in the penaeus mating season each year, putting healthy young shrimps, cultured in a young penaeus breeding pond, into an aquaculture pond, performing medium-selection-strength mixed culturing on the young shrimps and marine organisms which can enhance a certain beneficial character of the imported penaeus in the pond to obtain penaeus with the specific character after natural selection through natural intraspecific and interspecific competition, and performing strengthening cultivating in an indoor parent shrimp cultivating pool to form parent shrimps for young shrimp incubation in the next year. According to the parent shrimp cultivating method, through culturing by simulating natural environments with different types and performing natural competition and natural selection in a targeted and directional way ...

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Номер записи: 2
05-06-2020 дата публикации

And large-span bridge type finished product bracket is supported by single-support and double-support universal support

Номер: CN0210684971U
Автор: CHEN JINRONG, CAO ZHIYUAN, WANG CHENGGUI
Принадлежит: JIANGSU WAN WEI ELECTRIC CO LTD, JIANGSU WAN WEI ELECTRIC CO., LTD.

The utility model discloses a single-support and double-support universal support for a large-span bridge type finished product support. Including a first body, first c-shaped steel is arranged in thefirst body. The exterior of the first c-shaped steel is connected with a first connecting piece through a bolt; the first c-shaped steel is provided with a first u-shaped body through a bolt; a firstbolt is arranged in the first u-shaped body, a first support cross arm is connected to the exterior of the first bolt, a first adjusting sliding block is arranged at the top end of the first supportcross arm, an angle adjusting mechanism is connected to one side of the first support cross arm, and a second body is arranged on one side of the first body. According to the utility model, under theaction that c-shaped steel is adopted to replace an original screw rod form and serves as a main carrier of a pulled rod piece, c-shaped channel steel is effectively connected with a universal supporting u-shaped ...

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Номер записи: 3
02-07-2014 дата публикации

Intelligent automatic pollution discharge system of prawn intensive culture pond

Номер: CN103891670A
Автор: SUN CHENGBO, DU XINGTIAN, LI YONG, JIANG JIAYIN, CHEN ZHAOMING, YANG SHIPING, WANG CHENGGUI, LI XIAOYUN
Принадлежит:

The invention discloses an intelligent automatic pollution discharge system of a prawn intensive culture pond. The intelligent pollution discharge system comprises a power system, a suction system, a positioning system and an oxygen aeration system. The power system comprises a water pump, a driving water pipe and a time switch, the driving water pipe is connected with the water pump, and the water pump can be driven under the control of the time switch; the suction system comprises a suction pipe connected with a central pollution discharge pipe of a pond body; the positioning system comprises a screen frame, a lifting sucker and a 360-degree turntable, the lifting sucker is arranged on the screen frame, the 360-degree turntable is connected with the screen frame, and the oxygen aeration system comprises an oxygen aeration pipe. The intelligent automatic pollution discharge system has the advantages that technical problems that an existing drain pipe is heavy, contact positions of the ...

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Номер записи: 4
20-04-2011 дата публикации

Short-wave data transmission method based on dual multisystem quasi-orthogonal spread-spectrum composite phase modulation

Номер: CN0102025669A
Автор: Wang Jinlong, Zhang Yuming, Cheng Yunpeng, Hu Junquan, Wang Chenggui, Gong Yuping
Принадлежит:

The invention discloses a short-wave data transmission method based on dual multisystem quasi-orthogonal spread-spectrum composite phase modulation. The method comprises the following steps: respectively selecting an orthogonal sequence from orthogonal spread-spectrum codes in the same dimension of two-path KL bit data at a sending terminal, and respectively multiplying by corresponding mask codes, thus generating a dual multisystem quasi-orthogonal spread-spectrum modulation signal; carrying out differential phase mapping modulation on KM bit data at a quasi-orthogonal spread-spectrum signal; after A/D sampling is carried out on a receiving signal, carrying out matched filtering, and extracting at a chip rate; multiplying the descrambled symbol sequence Rn respectively by the corresponding chips of the two-path masks (mI and mQ), and acquiring the reception sampling sequences of two-path solution masks (I and Q); and utilizing correlation values in the symbol period to carry out dualmultisystem ...

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Номер записи: 5
27-04-2011 дата публикации

MMSE (Minimum Mean Squared Error) channel estimation method based on maximum time delay real time estimation

Номер: CN0102035765A
Автор: Xu Yitao, Wang Jinlong, Chen Jin, Wang Chenggui, Kan Chunrong, Xie Sijun
Принадлежит:

The invention discloses an MMSE (Minimum Mean Squared Error) channel estimation method based on maximum time delay real time estimation, which comprises the following steps of: firstly entering a time domain through an IDFT (Inverse Discrete Fourier Transform) aiming at an LS (Least Square) channel estimation value; then carrying out energy average on the time domain estimation value to obtain an approximate channel power delay distribution; and then utilizing a maximum multipath time delay of the distribution estimation channel, substituting the estimation value of the maximum multipath time delay of the channel into a formula to obtain a related function matched with the maximum multipath time delay of the actual channel so as to carry out MMSE channel estimation. Through estimating the maximum multipath time delay of the channel, an autocorrelation function value is self-adaptively regulated to obtain the estimation effect of the MMSE approaching to matching, and the data transmission ...

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Номер записи: 6
25-08-2010 дата публикации

Credibility based cooperative spectrum sensing method

Номер: CN0101815305A
Автор: LIANG SHEN, CHENGGUI WANG, JINLONG WANG, QIHUI WU, YITAO XU, XUEQIANG ZHENG, SHEN LIANG, WANG CHENGGUI, WANG JINLONG, WU QIHUI, XU YITAO, ZHENG XUEQIANG
Принадлежит:

The invention provides a credibility based cooperative spectrum sensing method, comprising the steps of initialization, local sensing of the unauthorized user, local decision, sensing information quantization, credibility fusion, decision fusion and the like. The invention gives the credibility of local sensing of the unauthorized user under the condition of unknown prior information, reduces thenetwork overhead of cooperative sensing by adopting the mixed threshold decision strategy uniting the base station and the unauthorized user and quantizing the local sensing result and has good sensing property.

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Номер записи: 7
25-06-2014 дата публикации

Pond water self-circulation system and method for prawn intensive culture pond

Номер: CN103875588A
Автор: SUN CHENGBO, LI YONG, DU XINGTIAN, JIANG JIAYIN, CHEN ZHAOMING, YANG SHIPING, WANG CHENGGUI
Принадлежит:

The invention discloses a pond water self-circulation system and method for a prawn intensive culture pond. The system comprises a discharge pipe whereby the pond and the bottom center of a discharge well are communicated. A pond water self-circulation device is further disposed in the pond and comprises an inflation pump, a forked pipe, an air pipe and a floating soft foam plate; the lower end of the forked pipe which is vertically arranged is communicated with the discharge pipe; the upper end of the forked pipe is connected with the floating soft foam plate; the floating soft foam plate is provided with a through hole corresponding to an upper opening of the forked pipe; the inflation pump is mounted on the edge of the pond; one end of the air pipe is connected with an air outlet of the inflation pump; the other end of the air pipe penetrates the through hole and is disposed in the opening of the forked pipe; a lead weight and an air stone are fixed to the end of the air pipe; the inflation ...

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Номер записи: 8
29-10-2014 дата публикации

Adjustable vehicle width-limiting device

Номер: CN104120660A
Автор: ZHANG CHUNLIN, XIE XIJIAN, WANG CHENGGUI, YANG BING, ZHAO HAILIN, ZHAO BIN, LUO HU
Принадлежит:

An adjustable vehicle width-limiting device comprises a width-limiting pier. A cavity communicated with the exterior is formed in the width-limiting pier. A moving block is arranged in the cavity and can move to the exterior of the width-limiting pier along the cavity. A screw transmission mechanism is arranged in the width-limiting pier, and a transmission component in the screw transmission mechanism is connected with the moving block. In the use process, the adjustable vehicle width-limiting device and an existing width-limiting pier are oppositely installed on the entry of a levee crown road at an interval. When a large lorry is approved to enter the levee crown road, a starting device is started, the screw transmission mechanism moves the moving block into the cavity of the width-limiting pier, and therefore the large lorry can pass through the levee crown road. According to the adjustable vehicle width-limiting device, the width-limiting distance can be easily changed, it only needs ...

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Номер записи: 9
14-10-2015 дата публикации

Energy -saving high performance rare earth metal and liquid cathodic electrolysis stove of alloy thereof

Номер: CN0204702818U
Автор: LI YAMIN, LAI XINLAN, LIU LIEZHONG, ZOU FENGYUAN, WANG CHENGGUI, LIN JUNXIU
Принадлежит:

The utility model belongs to the technical field of fused salt electrolysis, in particular to energy -saving high performance rare earth metal and liquid cathodic electrolysis stove of alloy thereof. The utility model discloses an overcome that current electrolytic device exists negative pole life weak point, furnace temperature nonuniform distribution, electrolysis product impurity is many, the electric energy is disastrous, the anode plate utilization ratio is hanged down, is both lost time, lead to the shortcoming of manufacturing cost increase again, in order to solve above -mentioned technical problem, the utility model provides a such energy -saving high performance rare earth metal and liquid cathodic electrolysis stove of alloy thereof, including cylinder, anode body, electrolytic furnace, insulator, graphite inside lining, liquid metal, negative pole, control system and thermocouple. The utility model discloses reached negative pole long service life, furnace temperature distribute ...

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Номер записи: 10
10-09-2014 дата публикации

Simple device for removing foam and floating objects on water surface of intensive prawn culture pond

Номер: CN104026062A
Автор: SUN CHENGBO, LI YONG, DU XINGTIAN, JIANG JIAYIN, CHEN ZHAOMING, YANG SHIPING, WANG CHENGGUI, LI XIAOYUN
Принадлежит:

The invention discloses a simple device for removing foam and floating objects on the water surface of an intensive prawn culture pond. The simple device comprises a sewage collection pipe and a discharge pipe, wherein the sewage collection pipe is V-shaped and provided with holes, and the sewage collection pipe is connected with the discharge pipe; by using the simple device, the problem that in current high-density intensive culture mode of prawns, the ecological environment of a prawn pond is seriously damaged due to that the density of seedlings is high and excrement of prawns and residual feeds are more and more caused by increase in the amount of feeds in the middle and later culturing periods is solved, and the foam and the floating objects on the water surface can also be thoroughly removed, so that water quality of the culture pond is greatly improved; and the simple device is simple and practical in structure, low in cost and convenient to maintain, and has great marketing value ...

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Номер записи: 11
30-04-2014 дата публикации

Intelligence gate type automatic pollution discharge system and method for prawn intensive-culture pond

Номер: CN103758090A
Автор: SUN CHENGBO, JIANG JIAYIN, LI YONG, CHEN ZHAOMING, YANG SHIPING, WANG CHENGGUI
Принадлежит:

The invention discloses an intelligence gate type automatic pollution discharge system and method for a prawn intensive-culture pond. The intelligence gate type automatic pollution discharge system comprises a gate installed on a water drainage pipe of the prawn intensive culture pond, a flashboard installed cooperatively with the gate, a flashboard drive device and a microcomputer time switch. The flashboard drive device comprises a support, a spiral lifter and a motor. The spiral lifter and the motor are installed on the support. The lower end of a screw rod on the spiral lifter is fixedly connected with the flashboard. The motor drives the spiral lifter under controlling of the microcomputer time switch, so that the screw rod drives the flashboard to be ascended or descended. By means of timing set of the microcomputer time switch, lifting of the flashboard can be controlled automatically, and the purpose of discharging pollution automatically can be achieved; the labor intensity of ...

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Номер записи: 12
07-05-2014 дата публикации

Automatic sewage discharging system and automatic sewage discharging method of prawn intensive culturing pond

Номер: CN103766273A
Автор: SUN CHENGBO, LI YONG, DU XINGTIAN, JIANG JIAYIN, CHEN ZHAOMING, YANG SHIPING, WANG CHENGGUI
Принадлежит:

The invention discloses an automatic sewage discharging system and an automatic sewage discharging method of a prawn intensive culturing pond. The automatic sewage discharging system comprises a sewage discharging well, wherein the sewage discharging well is arranged at one side of the pond, the bottom surface of the sewage discharging well is lower than the bottom surface of the pond, the center parts of the bottom surfaces of the pond and the sewage discharging well are respectively provided with a sewage discharging outlet and a sewage inlet, the sewage discharging outlet and the sewage inlet are communicated through a U-shaped sewage discharging pipe, the sewage discharging well is also internally provided with an automatic switching device of the sewage inlet, the automatic switching device comprises a seal ball, a lifting rod, a moving block, a screw rod and an electric motor which drives the screw rod to rotate, the moving block is arranged on the screw rod and can move upwards or ...

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Номер записи: 13
12-02-2014 дата публикации

Furrow mulching hill-drop earthing combined operation machine for planting melons

Номер: CN103563513A
Автор: WANG CHENGGUI
Принадлежит:

The invention relates to a furrow mulching hill-drop earthing combined operation machine for planting the melons. The operation machine comprises a stander, and also comprises a leveling plate, a film mulching device, a furrow internal-mulch soil delivery roller, a mulch-film edge-pressing film wheel, a hill-drop device and a hole earthing roller, which are symmetrically arranged on two sides of the stander; the leveling plate is fixed connected to the front end of the stander, the film muching device, the furrow internal-mulch soil delivery roller, the mulch-film edge-pressing film wheel, the hill-drop device and the hole earthing roller are sequentially arranged behind the leveling plate, and a furrow internal-mulch shaping wheel is arranged between the middle part of the stander and the furrow internal-mulch soil delivery roller. The furrow mulching hill-drop earthing combined operation machine is mainly matched with a small four-wheeled tractor with horse power of 18 to 24 and connected ...

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Номер записи: 14
25-06-2014 дата публикации

Simple and manual sewage sucking device of prawn mulching film intensive breeding pond

Номер: CN103875590A
Автор: SUN CHENGBO, LI YONG, DU XINGTIAN, JIANG JIAYIN, CHEN ZHAOMING, YANG SHIPING, WANG CHENGGUI, LI XIAOYUN
Принадлежит:

The invention relates to a simple and manual sewage sucking device of a prawn mulching film intensive breeding pond. The simple and manual sewage sucking device comprises a pond body, a sewage sucking head and a sewage sucking pipe, the sewage sucking head is connected with the sewage sucking pipe, the sewage sucking pipe is connected with a sewage discharging pipe arranged in a pond wall of the pond body, the sewage discharging pipe is connected with a sewage discharging well, and a plurality of through holes are formed in the sewage sucking head. The problems that the contact portions of an existing water discharging pipe and an existing water discharging opening are frequently bonded, manual lifting is difficult to achieve, labor is wasted, the sewage discharging time is controlled by a breeding worker, accurate mastering is difficult to achieve, even excessive discharged water is caused by the fact that the careless worker forgets to plug the water discharging opening, in particular ...

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Номер записи: 15
29-12-2004 дата публикации

一种快干型淀粉粘合剂

Номер: CN0001557898A
Автор: WANG CHENGGUI, CHEN XINSHENG, CHENGGUI WANG, XINSHENG CHEN, 王成贵
Принадлежит:

The fast drying starch adhesive has the production process including mixing starch with water and sodium hydroxide solution in a stirrer and producing alkalizing reaction at normal temperature; adding hydrogen peroxide and water for oxidation for 40 min; adding tributyl phosphate, borax, sodium carbonate and magnesium sulfate via stirring to react for 10 min to form milk white or cream fluid. The fast drying starch adhesive has small density, high adhesion, fast drying, good flowability, less yellowing and other advantages, and has low cost and simple production apparatus.

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Номер записи: 16
29-06-2011 дата публикации

Maximum ratio channel equalization method of short wave (SW) multiple carrier-code division multiple access (MC-CDMA)

Номер: CN0102111359A
Автор: JINLONG WANG, CHUNRONG KAN, LIANG SHEN, CHENGGUI WANG, YANMING SHENG, XIAOBING TONG, WANG JINLONG, KAN CHUNRONG, SHEN LIANG, WANG CHENGGUI, SHENG YANMING, TONG XIAOBING
Принадлежит:

The invention relates to a maximum ratio channel equalization method of short wave (SW) multiple carrier-code division multiple access (MC-CDMA), which comprises the following steps: firstly, mapping data frames to be sent in a displacement mapping module into cyclic shift with original direct sequences, and delivering the cyclic shift which is subjected to serial-to-parallel conversion to inverse fast Fourier transform (IFFT) so as to be changed into time domain modulating signals; carrying out serial-to-parallel conversion on modulated parallel time domain signals, inserting pilot frequency symbols into the obtained parallel time domain signals after serial-to-parallel conversion, and sending the obtained parallel time domain signals in which the pilot frequency symbols are inserted to a receiving end by a channel; after the signals which are received by the receiving end and comprise the pilot frequency symbols and the data frames are subjected to the serial-to-parallel conversion, firstly ...

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Номер записи: 17
03-06-2015 дата публикации

Rare earth molten salt electrolytic furnace

Номер: CN104674307A
Автор: LI YAMIN, LAI XINLAN, WANG CHENGGUI
Принадлежит:

The invention discloses a rare earth molten salt electrolytic furnace. The rare earth molten salt electrolytic furnace comprises a steel jacket, wherein an electrolytic cell is arranged in the steel jacket; an anode is arranged in the electrolytic cell; a cathode is arranged in the electrolytic cell; a gas collecting hood is arranged on the cathode; in the gas collecting hood, the hood body made from an insulating material is mounted on the cathode through a fixing frame. The rare earth molten salt electrolytic furnace disclosed by the invention has the advantage of prolonging the service life of the electrolytic furnace to a much greater extent.

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Номер записи: 18