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Method for realizing mobile payment in mobile internet sales
InactiveCN101853458ASimplify the payment processConvenient paymentPayment architectureSmart cardClient-side
The invention discloses a method for realizing mobile payment in mobile internet sales, which comprises that: firstly, a user installs a payment client with a mobile phone with a financial IC card bound with bank card information; secondly, a mobile payment platform receives a shopping order after the user shops on a mobile internet sales platform and transmits a shopping bill through the payment client, and the user pays the shopping bill on the mobile phone; thirdly, the payment client realizes the payment and then transmits payment information to the mobile payment platform; fourthly, the mobile payment platform checks the payment information and then transmits the payment information to the mobile internet sales platform; and finally, the mobile internet sales platform transmits a payment success message to the mobile payment platform and the user to finish the payment. The method has the advantages of simplifying a payment flow in a mobile internet sale mode, enabling the user to conveniently and fast finish payment operation or find a paying agent, making secure the operation process, realizing timely payment anytime anywhere and avoiding risks in capital.
Owner:成都中联信通科技股份有限公司
Method and system of self-service selling
InactiveCN107301728AFlexible placementUnlimited locationCoin-freed apparatus detailsBuying/selling/leasing transactionsUser inputPurchasing process
The invention discloses a method and system of self-service selling. The method includes the steps of receiving a purchase message input by a user, verifying the purchase message, returning a confirmation message of the purchase message, and notifying the user of a product pickup; according to the confirmation message of the purchase message, generating inventory feedback information; generating a product dispatch scheme according to the inventory feedback information, and sending the product dispatch scheme to a deliveryman. According to the method and system of self-service selling, a purchase process and equipment can be simplified, and the cost is reduced; since a product can be flexibly placed, the place is not restricted; the user can directly take the product for observation so as to know about information of the product directly and comprehensively and thus make a more reasonable purchase choice.
Owner:杭州银灯网络科技有限公司
Method for preparing TiC/Ni3Al intermetallic compound based surface composite coating
The invention relates the Cast-SHS preparation technology used for TiC / Ni3Al surface composite coating. The technology comprises the following steps: using Ni, Al, Ti, C powders as raw material, mixing them in proper proportion, pressing them to form precast block, drying, stick organic binding agent on the mould wall; preheating mould, pouring molten steel, and forming the TiC / Ni3Al intermetallic compound surface composite coating on the surface of steel. By adjusting the powder composition, intermetallic compound surface composite coatings which contain different ceramic enhancement phase contents can be obtained. The method possesses the advantages of simple technology, low cost, strong binding force and good combination property.
Owner:SUZHOU UNIVERSAL GRP TECH CO LTD
Mechanical hand transmission unit on-line fault diagnosis system based on synergetic measurement
ActiveCN105415374AEasy wiringReliable wiringProgramme-controlled manipulatorVibration accelerationGyroscope
The invention discloses a mechanical hand transmission unit on-line fault diagnosis system based on synergetic measurement, and belongs to the field of fault diagnosis. The system comprises a vibration sensor, a data acquisition repeater, a robot RTU and an on-line fault diagnosis subsystem, wherein the vibration sensor acquires vibration acceleration and motion angular velocity data through adopting an acceleration sensor and a gyroscope, and transfers the acceleration and motion angular velocity data to the data acquisition repeater, the data is subjected to smooth filtering, and the data subjected to smooth filtering is transferred to the robot RTU through a Wi-Fi module; the robot RTU reads the motion control parameters of corresponding joints from a robot controller, calculates the space attitude data of the joints of a mechanical hand, and performs data fusion through using the kalman filtering algorithm; and the on-line fault diagnosis subsystem compares the initial two-dimensional inherent vibration characteristics, acquired during the ex-factory assessment and test stage of a mechanical hand product, of the joints of the mechanical hand with the current two-dimensional inherent vibration characteristics, and performs fault diagnosis. The mechanical hand transmission unit on-line fault diagnosis system has important functions in the field of fault diagnosis of variable speed servo mechanical hands.
Owner:DALIAN UNIV OF TECH
Section observing and underwater connecting system based on photovoltaic power generation
ActiveCN106564573ALower deployment costsImprove abilitiesBatteries circuit arrangementsElectric powerObservation unitBuoy
The invention discloses a section observing and underwater connecting system based on photovoltaic power generation. The section observing and underwater connecting system comprises a photovoltaic power generation floating table unit, a section observation unit and an underwater connecting unit. The photovoltaic power generation floating table unit is used for distributing and supplying power to the whole system based on photovoltaic power generation and serves as a terminal for the whole system to conduct interaction with external information. The section observation unit is mainly used for connecting the photovoltaic power generation floating table unit with the underwater connecting unit and providing a passage for electric energy and signal transmission. The underwater connecting unit is used for obtaining electric energy from the photovoltaic power generation floating table unit, conducting information interaction with the photovoltaic power generation floating table unit, completing the connecting task of an underwater autonomous aircraft and a connecting station and achieving transmission of non-contact electric energy and signals between the connecting station and a mooring section plotter. The system is suitable for being arranged in an ocean environment for a long time, the placement site is not limited, and the system is of great significance in improving the comprehensive capability of an underwater vehicle, sufficiently developing respective advantages of photovoltaic power generation, a buoy and the underwater vehicle and establishing a three-dimensional observation system.
Owner:ZHEJIANG UNIV
Handwriting recognition child intelligent learning system based on intelligent terminal
InactiveCN103809694AIncrease interactionReduce financial burdenDigital data processing detailsCharacter and pattern recognitionCharacter recognitionHandwriting
The invention relates to a handwriting recognition child intelligent learning system based on an intelligent terminal. The handwriting recognition child intelligent learning system comprises the intelligent terminal with a touch screen, a feature extraction module, a character knowledge base, a character recognition module, a learning mode selection module and a voice output module, wherein the feature extraction module, the character knowledge base, the character recognition module, the learning mode selection module and the voice output module are arranged in the intelligent terminal; the feature extraction module is connected with the touch screen and the character recognition module; the character knowledge base is connected with the character recognition module and the learning mode selection module; the voice output module is connected with the character recognition module and the learning mode selection module. Compared with the prior art, the handwriting recognition child intelligent learning system has the advantages that by the utilization of the handwriting input function of the intelligent terminal such as a tablet personal computer and an intelligent phone, the problem that patients have no time or do not have enough time to coach children in learning is solved, the handwriting recognition child intelligent learning system is not limited by learning time and places, and economic burdens are greatly reduced.
Owner:上海分维智能科技有限公司
Gas flow metering method
ActiveCN106932040ALow costUnlimited locationVolume/mass flow measurementStreamflowCalculation methods
The invention relates to the technical field of metering instruments and concretely relates to a gas flow metering method. The metering method comprises the following steps of controlling a first ultrasonic probe to send an ultrasonic signal to a second ultrasonic probe, receiving an ultrasonic signal based on the first ultrasonic probe to the second ultrasonic probe and fed back by the second ultrasonic probe to achieve upgoing flying time tup10, controlling the second ultrasonic probe to send an ultrasonic signal to the first ultrasonic probe, receiving an ultrasonic signal based on the second ultrasonic probe to the first ultrasonic probe and fed back by the first ultrasonic probe to achieve downgoing flying time tdw10, correcting the upgoing flying time tup10 and the downgoing flying time tdw10 according to hardware delay time, calculating real-time sound speed c0 during the sampling, calculating real-time flow speed v0 according to the real-time sound speed c0, and calculating real-time flow Q0 according to the real-time flow speed v0 and a flow path cross section S. The real-time flow Q0 can be accurately achieved via the calculation method, and further standard gas volume dVc can be accurately achieved by the use of the metering method.
Owner:ZHEJIANG CHINT INSTR & METER
Heat pipe steam compression composite type refrigeration system for air conditioners and provided with ejector
ActiveCN105333545AImprove energy savingImplement forced loopLighting and heating apparatusAir conditioning systemsSolenoid valveData center
The invention relates to a heat pipe steam compression composite type refrigeration system for air conditioners and provided with an ejector. The outlet of a variable frequency compressor is divided into two paths, one path passes through a flow regulating valve and then is connected with the inlet of a nozzle of the ejector, the outlet of the ejector is connected with the inlet of an evaporator; the other path passes through a solenoid valve and then is connected with the inlet of a condenser, the outlet of the condenser is connected with the inlet of a liquid storage device, the outlet of the liquid storage device is divided into two paths, one path passes through an electronic expansion valve and then is connected with the inlet of the evaporator, the other path is connected with the ejection inlet of the ejector; the outlet of the evaporator is divided into two paths, one path is connected with the inlet of the variable frequency compressor, the other path passes through the flow regulating valve and then is connected with the inlet of the condenser; the system comprises two working modes including a compression refrigeration mode and a heat pipe cooling mode. Addition of mechanical devices is not needed, the refrigerant forced circulation of the heat pipe loop in the heat pipe cooling mode is achieved, the reliability of cooling of an outdoor natural cold source is ensured, and the development of the data center / communication base station (or machine room) air conditioner energy-saving technology is actively promoted.
Owner:XI AN JIAOTONG UNIV
DC motor and dynamo
InactiveCN101022239AHigh speed rotationSave spaceToothed gearingsMagnetic circuit stationary partsSurge voltageDynamo
The invention provides an armature stator and a magnet rotor for a dipolar direct current electric motor. The armature stator consists of a seamless ring-shaped core and an even number of coils coiled along the full perimeter of the ring-shaped core in the same direction at an equispaced rotation angle. Both ends of the even number of coils are connected in series, and the connecting parts become terminals for power input. The magnet rotor is provided with a bar-shaped magnet magnetic field or a platelike magnet magnetic field which is perpendicular to the rotation axis of the rotor. The leading pole tip of the rotor is separate from the inner rim of the ring-shaped core. The invention further provides a generator comprising a direct current electric motor and a planetary gear mechanism which are combined, wherein, the rotation axis of prior electric motor is connected with the gear mechanism. The sun gear and the planetary gear of the planetary gear mechanism of the invention can be formed into one piece as magnet rotors of the electric motor in the structure of the electric motor. The invention can eliminate surge voltage and so on, and reduce noise.
Owner:VENERA LAB CO LTD
Targeting antitumor drug using magnetic micro-nano material to destroy tumor blood vessels under driving of alternating magnetic field or radio frequency
ActiveCN105641695AHas a therapeutic effectAvoid harmPowder deliveryEnergy modified materialsMicro nanoTumor target
The present invention discloses a novel use of a magnetic micro-nano material. The new use is application of the magnetic micro-nano material in manufacture of a targeting tumor treatment drug, the magnetic micro-nano material has all the following properties: (1) the magnetic micro-nano material is magnetic, sol that the magnetic micro-nano material can produce mechanical destructive effects on tumor blood vessel endothelial cells under driving of an alternating magnetic field or radio frequency; (2) the magnetic micro-nano material has a hydrophilic surface; (3) the magnetic micro-nano material has certain electronegativity on surface; and (4) the particle size range of the magnetic micro-nano material is 10-500nm, so that the magnetic micro-nano material has rigidity (namely, is not easy to deform). The magnetic micro-nano material can be specifically gathered and retained in tumor blood vessel parts by EPR effect after intravenous injection, and the mechanical destructive effects produced under driving of the alternating magnetic field or radio frequency can act on the tumor blood vessel endothelial cells highly selectively to further destroy tumor blood vessels to lead to tumor rapid necrosis and achieve the efficient tumor targeting treatment purpose.
Owner:赤峰福纳康生物技术有限公司 +1
Wireless television of split structure
InactiveCN103888694AUnlimited locationEasy to upgrade and maintainTelevision system detailsColor television detailsEngineeringCable television
The invention relates to a wireless television of a split structure. The wireless television solves the technical problems that in the prior art, due to the fact that a signal module and a display screen are integrally arranged, the television can not be upgraded conveniently and the upgrading process is complex. According to the technical scheme, the wireless television of the split structure comprises a television body only with a format conversion function, a signal module and a first power supply module, a display screen and a first wireless communication module are arranged in the television body, the signal module and the first power supply module are respectively arranged outside the television body, the first power supply module is connected with the signal module and used for supplying electricity to the signal module, the signal module comprises a multimedia interface, a central processing unit and a second wireless communication module, and the second wireless communication module is connected with the multimedia interface through the central processing unit.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD
Character image serialization identification and structured data output method
InactiveCN109726715ADirectly output prediction resultsLess network weightCharacter and pattern recognitionNeural architecturesFeature vectorFeature extraction
The invention discloses a character image serialization identification and structured data output method. The method specifically comprises the steps of obtaining a plurality of character image blocks; Performing text image feature extraction on each character image block by using a full-depth convolutional neural network, and expressing each character image block as a feature vector; Processing the feature vector by adopting a deep neural network, and outputting probability distribution about a character set; Adopting a connection time classification layer as a transcriptional layer, and outputting a computer readable text by using a dynamic programming algorithm of forward calculation and reverse gradient propagation on probability distribution related to a character set; And carrying out error correction on the computer readable text by adopting a language model to obtain structured data and output the structured data. The method is high in recognition accuracy, good in robustness and high in recognition rate.
Owner:SUNYARD SYST ENG CO LTD
Mould detection device and detection method
InactiveCN110567902AReduce volumeMiniaturizationColor/spectral properties measurementsMildewScattered light
The invention relates to the technical field of optical detection, in particular to a mould detection device and a detection method thereof. Aiming at the problems that in the prior art, reflected light on the surface of a sample to be detected is mainly used for detection, only the mildew condition of a certain position of the sample to be detected can be detected, and the accuracy of a detectionresult is low, an incident light angle is changed by using a first reflector, and scattered light on the surface of the sample to be detected is collected by using a second reflector, so that the comprehensive detection accuracy of the surface of the sample to be detected is greatly improved, and the mould detection device and the detection method thereof can be applied to the fields of quality detection of agricultural products or food and the like.
Owner:长春长光东方光电技术有限公司
Engine power assembly mass and center of mass testing method
InactiveCN106840520AUnlimited locationUnrestricted attitude angleStatic/dynamic balance measurementPowertrainEngine power
Owner:GUANGXI UNIV
Continuous integration-oriented alarm system and method
InactiveCN106649123AExpand the usable rangeReduce dependenceSoftware testing/debuggingInformation typeAlarm state
The embodiment of the invention provides a continuous integration-oriented alarm system and method. The system comprises a management device interacting with a continuous integration system, acquiring task integration state information of the continuous integration system in real time, matching the task integration state information and alarm state information of a preset informing and alarming rule, generating an informing and alarming instruction for the task integration state information according to an informing way and informing target of the informing and alarming rule when the match successes, giving out an information-type alarm inform according to the informing and alarming instruction, and a control terminal giving out a sound-light type alarming inform according to the informing and alarming instruction. Different types of alarms and informs can be given out with combinations of sound and light, so that different developers can timely and effectively receive alarms and informs cared by different people; a server of the continuous integration system can be assembled on a server without a sound card device, so dependency on computers can be reduced and transplantability can be improved.
Owner:BANK OF CHINA
DC motor and generator
InactiveCN101567604ASmall structureChange the number of spinsMagnetic circuit rotating partsToothed gearingsWhole bodyMagnetic poles
Owner:VENERA LAB CO LTD
Adjustable holder
The subject matter of the present invention is an adjustable holder that allows the positioning of any article, principally a visual-communication article, preferably with a flat screen (plasma / LCD / TFT screen, poster, announcement, etc.) at any angle and in any position with respect to the initial plane, the vector normal to the screen covering a broad three-dimensional angular range (steradian). Owing to the special arrangement thereof, the adjustable holder, formed by at least three length-adjustable rods, allows precise definition of a surface on which the supported visual article is positioned, which surface may form a solid angle such that optimum viewing is allowed thereby from any position the user may be in, since the vector normal to the screen may be matched with the user's line of view.
Owner:WOXTER TECH
Automated testing platform for embedded device
ActiveCN103729286AImprove scalabilityIncrease flexibilitySoftware testing/debuggingTest scriptData sharing
The invention discloses an automated testing platform for an embedded device. The automated testing platform for the embedded device comprises a plurality of subsystems. Communication and data sharing can be achieved among the subsystems through a holographic tree. The subsystems comprise the script subsystem, the instrument subsystem, the user subsystem, the log subsystem and the display subsystem. The script subsystem is used for executing a testing script, collecting a testing result, generating an original log node and establishing and maintaining the script / log subtree according to the testing result. The instrument subsystem is used for maintaining the instrument subtree and synchronous remote instrument information. The user subsystem is used for completing establishment of the user subtree and continuous updating of the user subtree. The log subsystem is used for establishing a pure log tree independent of the holographic tree according to the script subtree and the log subtree. The display subsystem is used for reading all the subtrees in the holographic tree so as to complete establishment of an interface of each corresponding subsystem. The established platform has good universality in the testing field of route switching equipment.
Owner:XIAN ZHONGLANG AL TECH CO LTD
Automatic hydraulic braking pressure supply device for unmanned aerial vehicle
InactiveCN103818549AUnlimited locationLearn about real-time informationBraking action transmissionAircraft brake actuating mechanismsFailure rateDrive shaft
The invention belongs to an unmanned aerial vehicle hydraulic technology, and relates to an automatic hydraulic braking pressure supply device for an unmanned aerial vehicle. The device comprises a hydraulic oil tank (1), a hydraulic constant delivery pump (2), a variable frequency motor (3), an oil filter (4), a brake valve (5), an overflow valve (6), a brake sensor (7) and an brake actuating cylinder (8), wherein a driving shaft of the hydraulic constant delivery pump (2) is connected with an output shaft of the variable frequency motor (3); an oil suction port of the hydraulic constant delivery pump (2) is connected with the oil tank (1); an oil outlet of the hydraulic constant delivery pump (2) is simultaneously connected with one end of the oil filter (4) and the overflow valve (6); the other end of the overflow valve (6) is connected with the oil tank (1); the other end of the oil filter (4) is connected with an inlet of the brake valve (5); an outlet of the brake valve (5) is connected with the brake sensor (7) and one end of the brake actuating cylinder (8) respectively. According to the device, the brake valve is low in cost, and has low requirements on the accuracy of oil, so that the device is low in failure rate and cost.
Owner:HARBIN
Electric distribution box
InactiveCN1866656AIncrease vertical lengthReduce stiffnessVehicle connectorsCoupling device detailsMechanical engineeringEngineering
Owner:YAZAKI CORP
Chip failure analysis method for dynamically grabbing points
InactiveCN111273152AUnlimited locationPrevent movementElectronic circuit testingComputer hardwareFailure analysis
The invention discloses a chip failure analysis method for dynamically grabbing points, and relates to the field of chip failure analysis. The method comprises the following steps of installing a chipto be tested on a PCB, wherein the PCB is at least provided with a chip connecting seat, a battery and a chip pin contact pin; connecting the chip to be tested with a testing machine through a pin onthe PCB; connecting the testing machine, the chip to be tested and the battery; sending an excitation mode to the to-be-tested chip through the test machine, wherein the excitation mode is used for enabling the to-be-tested chip to enter one of predetermined excitation states; disconnecting the test machine from the chip to be tested and the PCB, so that the problem that the testing machine needsto be moved for dynamically grabbing points at present is solved, and the effects of avoiding moving the test machine, not limiting the position of the test machine, maintaining the state of the chipand facilitating the dynamic point grabbing are achieved.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP
Wireless microphone, video conference systems and operation method thereof
InactiveCN104917998AEasy data transferEasy to shareTelevision conference systemsMouthpiece/microphone attachmentsWireless microphoneComputer module
Embodiments of the present invention relate to a wireless microphone, a video conference system, and an operating method therefor. A first wireless communications module and a first data interface are disposed in the wireless microphone. A PC end can send data to be shared to the microphone through the first data interface. The microphone sends, through the first wireless communications module, the data received through the first data interface to a video conference terminal for play, and it is not required to transmit the data to be shared on the PC end to the video conference terminal through a data line, so that data transmission and sharing of the video conference system are more convenient. The microphone can convert a received analog voice signal into a digital audio signal, and the digital audio signal is sent to the video conference terminal through the wireless communications module, thereby allowing a speaker to randomly move without any position limit.
Owner:ZTE CORP
Surgical training box and training method thereof
InactiveCN109493667AHighlight substantive featuresSignificant progressCosmonautic condition simulationsEducational modelsSurgical operationSurgery training
The invention relates to a medical teaching instrument, in particular to a surgical training box and a training method thereof. The surgical training box comprises a box body and a box cover. Partition plates capable of dividing the box body into at least three boxes for containing surgical instruments for surgery are further arranged in the box body. A training simulation platform for the surgeryis further mounted on the bottom face of the box cover, a baffle capable of sealing the box body is further mounted on one side of the training simulation platform, and the training simulation platform comprises an incision training simulation region, a suture training simulation region and a knotting training simulation region which are sequentially arranged on the bottom face of the box cover.The surgical training method includes the following working steps of 1, training of surgical scissors; 2, training of surgical tweezers; 3, comprehensive training of the surgical scissors and the surgical tweezers; 4, incision surgery training; 5, suture surgery training; 6, knotting surgery training. The surgical training box and the training method thereof have the advantages of being simple instructure, comprehensive in function, good in use effect, high in adaptability and the like.
Owner:张贵年
Cordless wireless telephone set and telephone system and wireless conference telephone system using the same
The present invention provides a wireless walkie-talkie, which includes a walkie-talkie antenna, a walkie-talkie sending / receiving module, a microprocessor, a wireless sending / receiving module and a wireless antenna; the wireless walkie-talkie also includes a communication circuit connected with the microprocessor, an input module, a display module, a generating circuit for incoming calls promotion and a communication device connected with the communication circuit. The invention also provides a telephone system and a wireless conference telephone system with the use of this wireless walkie-talkie. The wireless walkie-talkie is applicable to families which have difficulties to use cables or to certain families and enterprises used as fixed telephones, especially to the communication between buildings, the wireless walkie-talkie can perform functions of multi-use for one telephone, multi-side communication, mutual communication with priority to a desk telephone and realization of wireless communication.
Owner:SHENZHEN TAIFENG NETWORK TECH
Light guide plate production method
InactiveCN103364865AUnlimited locationExposure is easy to controlMechanical apparatusLight guides for lighting systemsLight guideUltraviolet lights
The invention provides a light guide plate production method which comprises the following steps: 1) UV (ultra violet) hardened resin is coated on a light guide plate body; 2) the UV hardened resin is imprinted by a die; 3) demoulding is carried out to form a pattern complementary with a shape of the die in the hardened resin; 4) the UV hardened resin is exposed in ultraviolet light so as to harden the UV hardened resin.
Owner:北京众普寰宇新光源科技有限公司
Device capable of providing self full body massage
InactiveCN101862257ASimple structureVersatileMassage combsDevices for heating/cooling reflex pointsSEMI-CIRCLEWhole body
The invention discloses a device capable of providing self full body massage, which relates to a massage device. The device capable of providing full body massage is provided with a stand column and a base; the bottom of the stand column is fixed on the base; the cross section of the stand column can be in a V shape, a T shape, an S shape, an H shape, an L shape, a polygon shape, a semi-circle shape, a round shape, an oval shape or the like; the stand column is provided with a column angle, the two flanks of which are provided with vertical board faces; and each board face is provided with a vertical board edge, wherein one of the board faces is provided with a vertical rib strip. The device has simple structure and multiple functions, and is capable of providing overall self full body massage; when in use, the device of the invention fixedly stands on the ground, can automatically finish full body stretching massage, and has the functions of entertainment and motion, needs no money; the punchy, dynamics and depth of the massage can be automatically controlled, thus enabling a user to feel comfortable and safe; the device has lower cost and is easy to popularize; when serving as alight fixture, the device has great decorative and visual value and can save time; the user can massage while participating in activities such as watching TV and the like; and the arrangement position of the device is not limited, and the device is especially suitable for being used in small-size space such as homes or offices and the like.
Owner:秝赫健康生活坊
Quasi-one-dimensional cold atom source preparation device and method
PendingCN114005571AEasy to liftAccurate detectionNeutron particle radiation pressure manipulationHelmholtz coilDiffuse reflection
The invention discloses a preparation device of a quasi-one-dimensional cold atom source. The quasi-one-dimensional cold atom source is prepared by mainly utilizing a diffuse reflection laser cooling atom technology; wherein the preparation device mainly comprises a vacuum cavity, an optical system and a cold atom density distribution measurement system. The outer surface of the vacuum cavity is covered with a transverse cylindrical quartz glass cavity which is made of a high-diffuse-reflection-rate material and is used for cooling laser required by atoms to be cooled; and the optical system mainly comprises cooling laser, re-pumping laser and detection laser; after the cooling laser and the re-pumping laser enter the vacuum cavity, an isotropic quasi-one-dimensional cooling light field is formed to carry out laser cooling on background atom gas in the isotropic quasi-one-dimensional cooling light field, and the detection laser carries out absorption method detection on cooled atoms. The cold atom density distribution measuring system mainly comprises a pair of movable Helmholtz coils, and the density distribution of cold atoms is measured by uniformly moving the coils along the detection direction. According to the invention, the preparation of the quasi-one-dimensional cold atom source with high optical thickness and uniform distribution is realized in the transverse vacuum cavity. Under the condition of a proper atom source and a proper laser system, quasi-one-dimensional alkali metal atoms such as lithium, sodium, potassium, rubidium and cesium and other atoms suitable for laser cooling, such as metastable inert gas atoms, can be cooled and stored.
Owner:SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
Method for preparing TiC/Ni3Al intermetallic compound based surface composite coating
The invention relates the Cast-SHS preparation technology used for TiC / Ni3Al surface composite coating. The technology comprises the following steps: using Ni, Al, Ti, C powders as raw material, mixing them in proper proportion, pressing them to form precast block, drying, stick organic binding agent on the mould wall; preheating mould, pouring molten steel, and forming the TiC / Ni3Al intermetallic compound surface composite coating on the surface of steel. By adjusting the powder composition, intermetallic compound surface composite coatings which contain different ceramic enhancement phase contents can be obtained. The method possesses the advantages of simple technology, low cost, strong binding force and good combination property.
Owner:SUZHOU UNIVERSAL GRP TECH CO LTD
Pin type anti-explosion door used for industrial boiler
InactiveCN104748552AGood sealing performanceOvercome defectsFurnace componentsFixed hingeHinge angle
The invention discloses a pin type anti-explosion door used for an industrial boiler, and belongs to the safety and explosion prevention field of industrial boilers. The pin type anti-explosion door comprises a spring cover (1), a spring (2), an opening pin (3), an anti-explosion door body (4), a movable hinge (5), a hinge shaft (6) and a fixed hinge (7), and is characterized in that the fixed hinge (7) is fixedly connected with a cavity in the boiler, the movable hinge (5) is fixedly connected with the anti-explosion door body (4), the fixed hinge (7) is movably connected with the movable hinge (5) through the hinge shaft (6), the anti-explosion door body (4) can rotate by 180 degrees in the clockwise direction with the hinge shaft as the axis, the spring cover (1) is arranged at the position, 180 degrees away from the hinge shaft, of the anti-explosion door body (4), the spring (2) and the opening pin (3) are arranged in the spring cover (1), one end of the opening pin (3) makes contact with the spring (2), and the other end of the opening pin (3) enters the cavity in the boiler through an opening in the cavity in the boiler.
Owner:JIANGSU JINDING BOILER
Fan, Impeller thereof, method of balancing weight of the impeller, and impeller balancing system
InactiveCN106996392AReduce structural complexityReduce processing difficultyPump componentsMaterial gluingImpellerAdhesive
A fan, an impeller thereof, a method of balancing weight of the impeller, and an impeller balancing system are disclsoed for solving hte following technical problems of high process difficult and manufacturing cost of an impeller that fits a method of balancing weight in the prior art, and as well as low executing efficiency and poor balance accuracy. The impeller includes a rotary shaft, a hub bond thereto, a fan assembly bond to the hub, and a UV-cured adhesive that is combined on the surface of the fan assembly.
Owner:SUNONWEALTH ELECTRIC MACHINE IND
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