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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.
05-08-2015 дата публикации

Liquid cross-linking agent injecting device

Номер: CN104818969A
Автор: LIU QIANG, WANG HAO, LONG HUA, LI RUI, MA CHANGMING, LIU RONGWEI, LYU XIAOMING, JIN LU, YANG QINGLING, XIAO YUNFENG, CHEN XIAOKAI, BAI MENG, BAI LONG, DUAN QIANGGUO
Принадлежит:

The invention relates to a liquid cross-linking agent injecting device, which comprises a liquid storage tank, wherein the top of the liquid storage tank is provided with a cross-linking agent inlet; the cross-linking agent inlet is connected with a self suction pump through a pipeline; the bottom of the liquid storage tank is provided with a cross-linking agent outlet; the cross-linking agent outlet is connected with a cross-linking agent injecting pump through a pipeline; an exhaust valve is arranged on the cross-linking agent injecting pump; a pressure transmitter and an electromagnetic flow meter are arranged on a pipeline arranged at the outlet end of the cross-linking agent injecting pump; and the liquid cross-linking agent injecting device also comprises a control device. The liquid cross-linking agent injecting device has the advantages that the process preparation high-quality injection can be realized; a uniform and stable cross-linking solution system is formed; the metering ...

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Номер записи: 1
10-12-2014 дата публикации

Pneumatic clamping device for machine tool

Номер: CN104191287A
Автор: ZHOU QIUJIAN, XIAO YUNFENG
Принадлежит:

The invention discloses a pneumatic clamping device for a machine tool. Two fixed blocks which are arranged in a parallel mode are arranged on a base of a machine tool working table, a fixed jaw is formed in the middles of the two fixed blocks, two first clamping blocks which stretch out of the two sides of the fixed jaw are arranged on the fixed jaw, and a plurality of first clamping openings which can clamp workpieces are evenly formed in each clamping block; two movable jaws are movably arranged on the two fixed blocks and arranged on the two sides of the fixed jaw respectively, a second clamping block which extends outwards is arranged on each movable jaw, and second clamping openings capable of clamping the workpieces are evenly formed in each second clamping block; each movable jaw is connected with a driving device, the two movable jaws can be driven by the respective driving devices to slide on the two fixed blocks, and therefore the workpiece in each first clamping opening and ...

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Номер записи: 2
29-08-2023 дата публикации

Self-coupling micro-disk cavity and manufacturing method thereof

Номер: CN116661066A
Автор: XIAO YUNFENG, SUN JIALUE, JI SHENGQIANG, ZHANG FANGXING, HUANGFU SHENGNAN, BAI YANJIE
Принадлежит:

The invention discloses a self-coupling micro-disk cavity and a manufacturing method thereof. The method comprises the following steps: preparing a microsphere cavity at one end of an optical fiber; and suspending the microsphere cavity, and flattening the microsphere cavity to obtain the self-coupled micro-disk cavity. According to the technical scheme provided by the embodiment of the invention, the micro-spherical cavity is prepared at one end of the optical fiber, and then the flattening treatment is performed on the basis of the micro-spherical cavity to obtain the micro-disk cavity structure without coupling, so that the problems of complicated operation and higher requirement on operation precision of the traditional manufacturing method for preparing the micro-disk cavity by using a mask and etching are solved; the method is simple in operation and high in yield, and the prepared coupling-free micro-disk cavity has the characteristics of high stability, convenience in use and strong ...

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Номер записи: 3
26-05-2023 дата публикации

Microcavity vibration spectrometer system and method for measuring natural vibration spectrum of fine particulate matter

Номер: CN116165103A
Автор: XIAO YUNFENG, TANG SHUIJING, GONG QIHUANG
Принадлежит:

The invention relates to a fine particle sensing technology, in particular to a microcavity vibration spectrometer system and method for measuring natural vibration spectrums of fine particles. The microcavity vibration spectrometer system comprises a natural vibration excitation light path unit and a microcavity detection light path unit; the natural vibration excitation light path unit is sequentially provided with a pulse light source, a galvanometer, an objective lens and particles to be detected, and the microcavity detection light path unit is sequentially provided with a tunable laser light source, an adjustable attenuator, a polarization controller, a coupling optical waveguide, an optical microcavity, a photoelectric detector and an oscilloscope. According to the invention, precise measurement of sound waves caused by particle vibration of mesoscale particles and biological particles with natural vibration frequency in a submegahertz-kilomegahertz frequency range can be realized ...

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Номер записи: 4
18-04-2023 дата публикации

Narrow linewidth laser

Номер: CN115986543A
Автор: XIAO YUNFENG, ZHANG FANGXING, SUN JIALUE, JI SHENGQIANG, BAI YANJIE, HUANGFU SHENGNAN
Принадлежит:

The embodiment of the invention discloses a narrow linewidth laser. The narrow linewidth laser comprises a tunable seed source, a circulator, a first conical optical fiber, a second conical optical fiber, an echo wall mode resonant cavity, a photoelectric detector, a beam splitter and a controller. Initial laser output by the tunable seed source is input from the first end of the circulator, is transmitted to the first conical optical fiber from the second end of the circulator, is coupled into the echo wall mode resonant cavity from a first position through a conical region of the first conical optical fiber, is coupled into the second conical optical fiber from a second position after resonance, and is output from the second conical optical fiber. Part of light beams output by the second conical optical fiber pass through the first output end of the beam splitter, the third end of the circulator and the first end of the circulator and return to the tunable seed source to achieve self-injection ...

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Номер записи: 5
10-09-2014 дата публикации

Medical dressing cutting device

Номер: CN104027204A
Автор: XIAO YUNFENG, ZHOU QIUJIAN, ZHANG WEI, CAI YUNJUAN
Принадлежит:

The invention discloses a medical dressing cutting device which comprises a working platform. A supporting block is arranged on each of two sides of the front end of the working platform, two ends of a rodless air cylinder communicated with an air source are arranged in grooves of the supporting blocks in a clamped manner respectively to arrange the rodless air cylinder on the working platform in a suspended manner, a high-frequency vibrating knife communicated with the air source is connected with a guide block on the rodless air cylinder through a clamp to vertically arrange the high-frequency vibrating knife on the rodless air cylinder, the guide block can be driven by the rodless air cylinder to drive the high-frequency vibrating knife to slide along a cylinder body of the rodless air cylinder, a groove allowing the high-frequency vibrating knife to pass is formed in the working platform, and the air source is connected with a control device. The medical dressing cutting device has ...

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Номер записи: 6
25-03-2015 дата публикации

Rail vehicle, illuminating lamp mechanism and illuminating lamp angle adjustment device

Номер: CN104442870A
Автор: LI XINING, GAO DIANZHU, TAN BENXU, LIU SHIJIE, YANG WEN, WAN SHANGCUN, XIAO YUNFENG
Принадлежит:

The invention relates to the technical field of rail vehicles, in particular to a rail vehicle, an illuminating lamp mechanism and an illuminating lamp angle adjustment device. The illuminating lamp angle adjustment device comprises a fixing base used for being fixedly connected with a rail vehicle body, a rotary base in pivoted connection with the fixing base through first pivot shafts, and an installation base in pivoted connection with the rotary base through a second pivot shaft, wherein the first pivot shafts are perpendicular to the second pivot shaft. In the prior art, a device used for being installed on the rail vehicle is provided with no angle adjustment structures, and an installation position needs to be hammered and the like when an illumination angle needs to be slightly adjusted; compared with the prior art, the adjustment convenience is obviously improved due to the application of the illuminating lamp angle adjustment device. Meanwhile, the illuminating lamp angle adjustment ...

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Номер записи: 7
25-11-2015 дата публикации

Early warning device is prevented bumping in well drilling

Номер: CN0204804815U
Автор: WANG FEI, LIU MINGTAO, WU DONGKUI, DU CHANGLEI, ZHOU YONG, DENG HONGTAO, GUO DINGXIONG, XIAO YUNFENG, TAN JING, ZHONG MANFA
Принадлежит:

The embodiment of the utility model provides an early warning device is prevented bumping in well drilling, the device includes vibration sensor, data acquisition analysor and data signal transmitter, the data acquisition analysor with vibration sensor is connected, signal transmitter with the data acquisition analysor is connected, vibration sensor is used for monitoring the vibration of offset well sleeve pipe port to the vibration signal transmission that to gather extremely the data acquisition analysor, the data acquisition analysor is used for the basis well drilling drill bit and the nearest distance of neck well sheathed tube are calculated to the intensity of vibration signal, the data signal transmitter is in when the distance is less than safe distance recently, the transmission early -warning singal. The device has overcome that the well drilling exists among the prior art pierces through offset well sheathed tube risk, the security that has increased drilling operation.

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Номер записи: 8
26-05-2023 дата публикации

Crystal microcavity packaging structure and method thereof

Номер: CN116161608A
Автор: XIAO YUNFENG, SUN JIALUE, ZHANG FANGXING, HUANGFU SHENGNAN, JI SHENGQIANG, BAI YANJIE
Принадлежит:

The invention provides a packaging structure of a crystal microcavity and a method thereof. The packaging structure of the crystal microcavity comprises a packaging sleeve, a crystal cavity structure and an optical fiber structure, an embedding groove is concavely formed in the end surface of one end of the packaging sleeve, a wire accommodating groove is concavely formed in the side wall surface of the packaging sleeve, and one end of the wire accommodating groove is communicated into the embedding groove; the crystal cavity structure comprises a crystal disc, and the crystal disc is fixedly mounted in the embedding groove; the optical fiber structure is provided with two straight line segments arranged in parallel and a curve segment connected with the ends of the two straight line segments, the optical fiber structure is installed in the wire containing groove, and the curve segment extends into the embedding groove; wherein the curved section is coupled to the edge of the crystal disc ...

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Номер записи: 9
04-08-2023 дата публикации

Automobile lamp and automobile

Номер: CN116538459A
Автор: YANG SHIHANG, THE INVENTOR HAS WAIVED THE RIGHT TO BE MENTIONED, WANG JIAQING, ZHOU HANG, LU MENGQI, ZHANG HUAN, XIAO YUNFENG
Принадлежит:

The invention relates to an automobile lamp and an automobile, and the automobile lamp comprises an LED module which comprises a light-emitting side and a backlight side which are oppositely arranged; the LED module comprises a plurality of LED light-emitting units which are arranged in an array mode. The light-emitting side surface of each LED light-emitting unit is provided with a light blocking packaging body used for partially absorbing internal emergent light and a light-proof enclosure arranged around the light blocking packaging body. The light-blocking outer lens is arranged on one side of the light-emitting surface of the LED module and is used for partially absorbing emergent light rays in the automobile lamp; the light-proof bearing bracket is arranged on one side of the backlight surface of the LED module and is used for bearing the LED module and shielding internal elements of the automobile lamp; the lamp shell is arranged on the side, away from the LED module, of the light-proof ...

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Номер записи: 10
10-09-2014 дата публикации

Medical dressing perforating device

Номер: CN104027203A
Автор: XIAO YUNFENG, ZHANG WEI, CAI YUNJUAN, LU QIANG
Принадлежит:

The invention discloses a medical dressing perforating device. A first retaining block is arranged on a base on a working platform, a second retaining block connected with a first driving device is arranged above the first retaining block, the first driving device is arranged on the working platform through a supporting seat, a material cavity can be formed by surrounding after the second retaining block driven by the first driving device is docked with the first retaining block, two ends of the material cavity are shielded by a third retaining block and a fourth retaining block, a pushing rod connected with a third driving device penetrates a through hole in the third retaining block to be connected with a pushing block, a second through groove is formed in the pushing block, a first through groove is formed in the fourth retaining block, and a perforating knife connected with a fourth driving device driven by the fourth driving device can be inserted into the material cavity through the ...

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Номер записи: 11
16-12-2015 дата публикации

Watchband and wrist -watch

Номер: CN0204861550U
Автор: ZHU JINPING, XIAO YUNFENG, HU WEITENG, LIU YU
Принадлежит:

The utility model provides a watchband and wrist -watch relates to electricity generation technical field. Including two temperature difference power generation devices, two watchband bodies, dial plate, chip and batteries, chip and battery set up inside the dial plate, and two temperature difference power generation devices set up respectively that this is internal in two watchbands, and the one end of two watchband bodies is connected with the dial plate respectively, can dismantle the connection between the other end of two watchband bodies, switches on after connecting. Because there are the difference in temperature in user's body temperature and external body temperature, temperature difference power generation devices utilizes this thermoelectric generation, and does the battery provides the electric energy, and owing to the unstable and less reason of the difference in temperature of the difference in temperature, this watchband provides a chip, and the chip integration has boost ...

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Номер записи: 12
24-09-2014 дата публикации

High temperature resistant well cementation cement paste used for steam injection thermal production well

Номер: CN104059622A
Автор: WU DONGKUI, WU SHUANG, SONG XUEYI, XIAO YUNFENG, DU CHANGLEI, YANG SHUGANG, LIU MINGTAO, PU XIUYUN, ZHANG HAIMING, ZHANG XIANGCHENG, WANG WENMING, WANG JUNYING, ZHAO XIAOQIANG
Принадлежит:

The invention provides high temperature resistant well cementation cement paste used for a steam injection thermal production well, and the cement paste comprises the following components by weight: 100 parts of high temperature resistant cement, 30-40 parts of a high temperature stabilizer, 0.5-1.2 parts of a thickening time control agent, 2.5-4.5 parts of an oilwell cement fluid loss agent, 0.02-0.15 part of an anti sedimentation agent, 0.02-0.15 part of a defoaming agent, and 45-100 parts of water. The high temperature resistant well cementation cement paste can effectively solve the problems of quick reduction in strength, fast rising in permeability and the like of well cementation cement paste systems in the prior art, can improve the thermal stability, reduces the possibility of channeling and casing damage, can make oilwells long-term sealed, improves production efficiency, and reduces production cost.

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Номер записи: 13
18-04-2023 дата публикации

Double-sided coupling echo wall mode resonant cavity structure and preparation method thereof

Номер: CN115986538A
Автор: XIAO YUNFENG, ZHANG FANGXING, JI SHENGQIANG, SUN JIALUE, BAI YANJIE, HUANGFU SHENGNAN
Принадлежит:

The embodiment of the invention discloses a double-sided coupling echo wall mode resonant cavity structure and a preparation method thereof. The double-sided coupling echo wall mode resonant cavity structure comprises a shell, a coupling lining, a first conical optical fiber, a second conical optical fiber and an echo wall mode resonant cavity. According to the technical scheme, the whispering gallery mode resonant cavity is arranged in the containing groove of the coupling lining, the first conical optical fiber and the second conical optical fiber are arranged on the two sides of the containing groove and coupled with the whispering gallery mode resonant cavity, and the whispering gallery mode resonant cavity, the first conical optical fiber and the second conical optical fiber are combined and packaged in the shell. The anti-interference performance in the coupling process of the echo wall mode resonant cavity and the conical optical fiber is enhanced, and the coupling efficiency and ...

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Номер записи: 14
24-09-2014 дата публикации

Tooling for milling regular polygons

Номер: CN104057361A
Автор: XIAO YUNFENG, ZHANG WEI, CAI YUNJUAN
Принадлежит:

The invention discloses a tooling for milling regular polygons. A cylindrical shell is arranged on a base located on a working table, a top cover which covers the upper end of the shell is arranged on the upper end of the shell, a supporting seat which covers the lower end of the shell is arranged on the lower end of the shell, and is fixed on the base, the lower end of a rotary shaft is supported on the supporting seat, the upper ends of the rotary shaft is extended out of the top cover after running through the through hole of the top cover, the rotary shaft can rotate around the axis of the rotary shaft, and a fixture is fixed on the rotary shaft extended out of the top cover; a ratchet wheel mechanism is arranged on the rotary shaft between the top cover and the supporting seat, a handle located outside the shell is connected with the ratchet wheel mechanism via an opening on the sidewall of the shell, and each time when the handle is swung to and fro in the opening, the ratchet wheel ...

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Номер записи: 15
04-04-2023 дата публикации

Transfer case power take-off protection method and device and controller

Номер: CN115892049A
Автор: SHEN SU, GAO MAN, XIAO YUNFENG
Принадлежит:

The invention discloses a transfer case power take-off protection method and device and a controller. The method comprises the steps that in the transfer case power take-off process, the whole vehicle auxiliary air path air pressure sent by an air pressure sensor is received, and whether the air pressure is lower than a preset value or not is judged; under the condition that the air pressure of the whole vehicle auxiliary air path is lower than the preset value, the chassis is controlled to exit from the steering mode, the upper vehicle hydraulic lock is controlled to conduct action locking, and the engine is controlled to recover the idle speed state; then a steering loop auxiliary power take-off air valve is controlled to be powered on so as to supply air to the transfer case; judging whether a power take-off travel switch and a neutral position travel switch of the transfer case are closed or not; and under the condition that the power take-off travel switch and the neutral position ...

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Номер записи: 16
07-04-2023 дата публикации

Medical wound repair promoting equipment

Номер: CN115919628A
Автор: WU HONGLEI, XIAO YUNFENG, ZHANG HUAQUAN, GU JIABIN
Принадлежит:

The invention discloses medical wound repair promoting equipment which is used for sucking and discharging exudate and promoting wound healing. The equipment comprises a negative pressure drainage device, an ozone treatment device and a controller, the negative pressure drainage device comprises a vacuum pump, an electromagnetic valve, a liquid collecting tank and a barometer; the negative pressure drainage pipeline connected with the inlet of the liquid collection tank is used for being connected with wound dressing; a pressure measuring pipeline connected with the barometer is used for being connected with the wound dressing; the ozone treatment device comprises a water pump, a gas-liquid mixer and an ozone generator; the first end of the gas-liquid mixer is connected with the water pump, the second end of the gas-liquid mixer is connected with the outlet end of the ozone generator, the third end of the gas-liquid mixer is an ozone/ozone water output port, and the ozone/ozone water output ...

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Номер записи: 17
04-04-2023 дата публикации

Construction data receiving and transmitting method, device and equipment and storage medium

Номер: CN115905148A
Автор: ZHANG LUPENG, LIU JING, XIAO YUNFENG, LI JINSHENG
Принадлежит:

The invention discloses a construction data receiving and transmitting method and device, equipment and a storage medium. The method comprises the following steps: establishing a mapping relation between a mobile phone side folder path and a server side folder path; according to the mapping relation, binding a specified folder of the mobile phone side with a corresponding folder of the server side; and the server side checks the bound file folder in real time, and synchronizes the file folder of the mobile phone side by taking the file folder of the server side as a reference. According to the method, the construction drawings and the construction basis of the user can be updated in real time, unnecessary disassembly and modification caused by different construction basis editions are avoided, and the data safety and the access convenience can be ensured while the construction data are permanently stored.

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Номер записи: 18
24-03-2010 дата публикации

Coordination control system of double metal spiral compound pipe molding and welding

Номер: CN0101676826A
Автор: JIANRONG YU, BO WU, YUNLIANG LIU, XINGZHONG LING, ZENGHUI ZHAO, HEZENG LI, JIANSHU CAO, BAOSHAN WANG, FENG LING, YUNFENG XIAO, AIMING SHEN, HAIYANG CHEN, YONGFEI GONG, YU JIANRONG, WU BO, LIU YUNLIANG, LING XINGZHONG, ZHAO ZENGHUI, LI HEZENG, CAO JIANSHU, WANG BAOSHAN, LING FENG, XIAO YUNFENG, SHEN AIMING, CHEN HAIYANG, GONG YONGFEI
Принадлежит:

The invention provides a coordination control system of double metal spiral compound pipe molding and welding, which is mainly composed of a general control system (1), a coordination control subsystem (2) for delivering steel bands and operating a forming machine, a switch coordination control subsystem (3) of inner and outer welding guns and protective gas, a coordination control subsystem (4) of welding speed and steel band molding speed and a control subsystem (5) of welding line tracking and welding quality, wherein, the general coordination control system (1) adopts a programmable logiccontroller (PLC) as an upper computer main controller and is connected with each subsystem; and each subsystem respectively adopts a single chip microcomputer or a DSP to be served as a lower computer subsidiary controller to carry out intelligent control on the subsystems. The control system in the invention has simple and direct composition, simple and applicable structure, low cost, easy debugging ...

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Номер записи: 19
12-04-1995 дата публикации

Pressure sealing structure for float in pressure containers

Номер: CN0001101422A
Автор: YUNFENG XIAO, XIAO YUNFENG
Принадлежит:

The pressure sealing structure for various floats in high-or ultra-high-pressure containers features that two valves with different directions are installed on the exposed portion of float. When there is pressured difference between container and float, valve is automatically opened to balance the pressure and realize sealing. A structure for discharging collected liquid in float is designed.

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Номер записи: 20
06-06-2023 дата публикации

Application of combination of deuterated ketotifen and radix saposhnikoviae extract in treatment of conjunctivitis

Номер: CN116211905A
Автор: ZHANG FENG, ZHANG MENGMENG, ZHAO YUQUAN, LIANG YAN, BAI YUMIAO, XIAO YUNFENG
Принадлежит:

The invention relates to application of ketotifen or deuterated ketotifen or medicinal salt thereof in preparation of a medicine for relieving and/or treating conjunctivitis in combination with a radix saposhnikoviae extract.

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Номер записи: 21
25-07-2023 дата публикации

Monodisperse microsphere cavity coupled packaging method and device

Номер: CN116477563A
Автор: XIAO YUNFENG, LI CHANGHUI, SUN JIALUE, TANG SHUIJING, MENG JIAWEI
Принадлежит:

The invention discloses a packaging method and device for coupling a monodisperse microsphere cavity. The packaging method comprises the following steps: preparing an optical fiber taper; preparing a tapering optical fiber; transferring the monodisperse microsphere cavity to the tapering optical fiber by electrostatic adsorption of the optical fiber taper and the monodisperse microsphere cavity; coupling the monodisperse microsphere cavity with the tapered region of the tapered fiber; transferring the low-refractive-index glue to the tapered optical fiber and the monodisperse microsphere cavity, and then packaging; wherein the refractive index of the low-refractive-index glue is smaller than that of the tapered optical fiber and that of the monodisperse microsphere cavity. According to the technical scheme, the packaging method of the small-mode-volume optical microsphere cavity is developed, it is guaranteed that the packaged optical microsphere cavity is isolated from the external environment ...

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Номер записи: 22
07-12-1994 дата публикации

Medicine for curing mammary cancer and preparation thereof

Номер: CN0001095937A
Автор: YUNFENG XIAO, XIAO YUNFENG
Принадлежит:

The recipe of the said medicine includes pangolin scales, momordica cochinchinensis, licorice, chaulmugra and spirit. The prepn process is that above-said materials are decocted in earthenware pot to obtain medicine juice, which is then bottled. Without side effect, the medicine has good curative effect in curing mammary cancer at early and middle stage.

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Номер записи: 23
18-04-2023 дата публикации

Preparation method of optical fiber microcavity coupling system and ultrasonic detector

Номер: CN115980924A
Автор: XIAO YUNFENG, SUN JIALUE, ZHANG FANGXING, JI SHENGQIANG, HUANGFU SHENGNAN, BAI YANJIE
Принадлежит:

The embodiment of the invention discloses a preparation method of an optical fiber microcavity coupling system and an ultrasonic detector. The preparation method of the optical fiber microcavity coupling system comprises the steps that firstly, a microsphere cavity assembly is provided; then, a bent optical fiber assembly is provided, the bent optical fiber assembly comprises a tapering optical fiber, the middle part of the tapering optical fiber is bent to form an annular structure, and the two ends of the tapering optical fiber are mutually rotated and wound; adjusting a microsphere cavity of the microsphere cavity assembly to be coupled with an annular structure of the bent optical fiber assembly; and finally, sequentially fixing the microballoon cavity of the microballoon cavity assembly and the coupling part of the annular structure of the bent optical fiber assembly, and fixing the optical fiber support rod of the microballoon cavity assembly and the extension parts at the two ends ...

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Номер записи: 24
21-04-2023 дата публикации

Thermal production well cement slurry formula development method

Номер: CN115992669A
Автор: XIAO CHANG, YU LEI, XIE YUNING, XIAO YUNFENG, LYU CHUNLIU, DONG WENXI, HU ZHENDONG, SUN KAI, ZHANG SHOUMING, JIN ZI, LIU MINGTAO, JIAO JIAN, DONG HANG, HE LIANGCHEN
Принадлежит:

The invention particularly relates to a thermal production well cement slurry formula development method, and belongs to the technical field of oil field thermal production well cementation. According to the thermal production well cement slurry formula development method provided by the invention, the developed cement slurry is suitable for well cementation and completion of a heavy oil thermal production well, the cement strength is high, the average compressive strength within 48 hours is greater than 20 MPa, the average compressive strength within 168 hours is greater than 22 MPa, the toughness is good, and the influence of alternate cold and hot cycles on the strength of set cement is small; the strength does not decline under the long-term high-temperature action, and the high-temperature steam injection requirement can be met. The method has remarkable effects of reducing the casing damage rate of the thermal production well and prolonging the service life of the casing.

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Номер записи: 25
14-04-1999 дата публикации

Linear target-type flowmeter

Номер: CN0001213772A
Автор: XIAO YUNFENG, LI JUN, XIAO JINGGUI, YUNFENG XIAO, JUN LI, JINGGUI XIAO
Принадлежит:

A linear target flowmeter with wide flow range and precision forgas or liquid is an improvement on existing target flowmeter, and features that its target is designed to have a shape similar to conicpiston according to requirement of linear output displacement and is arranged in fixed throttle orifice.Under the action of fluid, a displacement proportional with flow is generated and transferred via elastic torsion tube mechanism to rotation angle transducer to meter the flow.

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Номер записи: 26
17-09-2014 дата публикации

Air leakage detection device of spraying and flushing heads in medical pulse flusher

Номер: CN104048804A
Автор: ZHOU QIUJIAN, LU QIANG, XIAO YUNFENG
Принадлежит:

The invention discloses an air leakage detection device of spraying and flushing heads in a medical pulse flusher. A base on a worktable is provided with at least one air inlet communicated with an air source, and pipelines between the air source and all the air inlets are respectively provided with a pressure gauge. A pressing block connected with a driving device is arranged above the base, the driving device is arranged on the worktable through a supporting seat, and the driving device can drive the pressing block to move downwards. The spraying and flushing heads vertically placed on all the air inlets are tightly pressed between the base and the pressing block, and third connecting pipes of the spraying and flushing heads tightly pressed on the base are communicated with the corresponding air inlets. Openings of first connecting pipes of the spraying and flushing heads abut against the pressing block in a sealing mode, and openings of second connecting pipes abut against the base in ...

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Номер записи: 27
11-08-2023 дата публикации

Echo wall type optical stable cavity and preparation device and method thereof

Номер: CN116581628A
Автор: XIAO YUNFENG, ZHANG FANGXING, JI SHENGQIANG, SUN JIALUE, BAI YANJIE, HUANGFU SHENGNAN
Принадлежит:

The invention discloses an echo wall type optical stable cavity and a preparation method thereof. The optical stable cavity comprises a first correction material layer, a microcavity material layer and a second correction material layer which form a laminated structure, the thermal expansion coefficient of the microcavity material layer is a first thermal expansion coefficient, and the thermal expansion coefficient of the first correction material layer and the thermal expansion coefficient of the second correction material layer are both second thermal expansion coefficients; wherein the polarity of the first thermal expansion coefficient is opposite to that of the second thermal expansion coefficient, or the polarity of the first thermal expansion coefficient is the same as that of the second thermal expansion coefficient, and the absolute value of the first thermal expansion coefficient is larger than that of the second thermal expansion coefficient; the micro-cavity material layer is ...

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Номер записи: 28
01-08-2023 дата публикации

Two-stage four-wheel type turbine cooler refrigeration pressurization system

Номер: CN116517850A
Автор: ZHANG ZHILIAN, DENG RUIYANG, XIAO YUNFENG, KONG XIANGYU, ZHANG YINGHAN, SUN XINYUE, WANG YUNYAN
Принадлежит:

The invention discloses a two-stage four-wheel type turbine cooler refrigeration pressurization system, and relates to the technical field of turbine coolers. Comprising gas compressors and refrigeration turbines, the gas compressors comprise a first gas compressor and a second gas compressor, the refrigeration turbines comprise a first refrigeration turbine and a second refrigeration turbine, the gas compressors and the refrigeration turbines are coaxially installed on the surface of a transmission shaft, a thrust bearing is arranged between the first refrigeration turbine and the second gas compressor, and a thrust bearing baffle is arranged on the surface of the thrust bearing. The thrust bearing baffle is fixedly installed on the surface of the middle baffle through a pin, the circulation shell is fixedly installed on the outer side of the middle baffle, the airflow reversing shell is fixedly installed on the outer side of the circulation shell, the two ends of the transmission shaft ...

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Номер записи: 29
17-12-2014 дата публикации

Application of insulin growth factor acceptor inhibitor PQ401 in as medicine for treating echinococcosis granulosa

Номер: CN104208063A
Автор: WEN HAO, LYU GUODONG, LIN RENYONG, WANG JIANHUA, LI JUAN, ZHAO JUN, XIAO YUNFENG, GAO HUIJING, LIU HUI, WANG JUNHUA, ZHANG CHUANSHAN, LI LIANG, BI XIAOJUAN
Принадлежит:

The invention relates to the technical filed of an insulin growth factor acceptor inhibitor PQ401, and concretely relates to an application of the insulin growth factor acceptor inhibitor PQ401 as a medicine for treating echinococcosis granulosa. The insulin growth factor acceptor inhibitor PQ401 is a novel echinococcosis resistance medicine; in vivo and in vitro pharmacodynamic experiment data show that the PQ401 is an efficient echinococcosis resistance medicine molecule, can destroy the tissue structure of the Echinococcus granulosus vesicles and causes necrosis of a large amount of cells of the Echinococcus granulosus vesicles; in vivo pharmacodynamic experiment data show that the medicine has same echinococcosis granulose treatmetn effect with clinically commonly used albendazole; and the long term administration of albendazole by clinic echinococcosis granulosa patients causes medicine resistance, so the medicine can substitute albendazole to be used in the treatment of the echinococcosis ...

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Номер записи: 30
05-11-2014 дата публикации

Pin shearing device

Номер: CN104128663A
Автор: XIAO YUNFENG, ZHOU QIUJIAN, LU QIANG
Принадлежит:

The invention discloses a pin shearing device comprising a device body provided with a through hole and a through groove which are communicated with each other. A moving rod penetrates the through hole, a first baffling block is locked to the front end of the moving rod, a pressure rod sleeves the moving rod, and a drive mechanism driving the moving rod to slide is arranged between the pressure rod and the device body; a second baffling block is locked to the rear end of the moving rod, and a return mechanism allowing the moving rod to return is arranged between the device body and the second baffling block; a pin plugging block is embedded in the through tank at the upper end and is provided with a plurality of pin plugging holes with different diameters, and the moving rod is provided with first through holes corresponding to the pin plugging holes; the lower end of the through tank corresponding to the moving rod is provided with a first groove, the lower end of the through tank is provided ...

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Номер записи: 31
08-08-2023 дата публикации

Double-fuel-tank vehicle and fuel control system and method thereof

Номер: CN116552233A
Автор: GAO MAN, XIAO YUNFENG, ZHOU DAN
Принадлежит:

The invention discloses a fuel control system and method for a double-fuel-tank vehicle and the double-fuel-tank vehicle, and the system comprises a first controller which is configured to obtain the fuel liquid level deviation in a main fuel tank in the operation process of the double-fuel-tank vehicle; an opening degree signal used for adjusting the opening degree of the oil pumping adjusting valve is generated according to the fuel oil liquid level deviation; the second controller is configured to adjust the oil pumping adjusting valve to the corresponding opening degree according to the opening degree signal received from the first controller; acquiring fuel consumption of a main oil tank and oil pumping quantity of an oil pump; and the opening degree of the oil pumping adjusting valve is adjusted in real time according to the fuel oil consumption and the oil pumping amount. Through cascade control of the first controller and the second controller, the current liquid level of the main ...

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Номер записи: 32