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462results about How to "Reduce usage requirements" patented technology

Capacitive micromachined tuning fork gyroscope

The invention provides a capacitive micromachined tuning fork gyroscope. The gyroscope is the symmetrical dual-mass structural gyroscope, comprising a substrate and a framework arranged in the centre of the substrate, wherein the middle of the framework is provided with a framework beam perpendicular to the framework; two detection mass blocks are symmetrically arranged in the framework with the framework beam as a symmetry axis, and four corners of each detection mass block are connected with the framework and the framework beam through at least four drive beams; decoupling drive comb capacitors are respectively arranged at both ends of each detection mass block in the direction of a vertical axis; detection comb capacitors are symmetrically arranged on both outer sides of the framework in the direction of a horizontal axis; at least four detection beams are arranged on both outer sides of the framework in the direction of the vertical axis; and the detection beams are distributed symmetrically relative to the vertical axis and the horizontal axis and are fixed on the substrate through corresponding anchor points. According to the capacitive horizontal-axis micromachined tuning fork gyroscope provided by the invention, the mechanical coupling between the detection mode and the driving mode of the micromachined tuning fork gyroscope can be solved easily and effectively.
Owner:PEKING UNIV

Hadoop parameter automatic optimization method and system based on performance pre-evaluation

The invention discloses a Hadoop parameter automatic optimization method based on performance pre-evaluation. The method comprises the following steps: statistically analyzing operational characteristics of an application run by a user on the Hadoop cluster to generate an output file; obtaining the output file and extracting from the output file of run time of various stages, processed and transmitted data, resources allocated for running the Hadoop application and a corresponding parameter configuration scheme of the Hadoop application, and according to the run time of various stages, the processed and transmitted data, the resources allocated for running the Hadoop application and the corresponding parameter configuration scheme of the Hadoop application in the output file, computing the total run time of the Hadoop application by utilizing MapReduce simulation technique; and according to the pre-evaluated performance of the Hadoop application under a current parameter configuration scheme and by utilizing the genetic algorithm, adjusting the corresponding parameter configuration scheme of the Hadoop application. The Hadoop parameter automatic optimization method based on performance pre-evaluation solves the problems of high cost, low efficiency, high threshold and capability of adding complexity of Hadoop codes in the existing method.
Owner:HUAZHONG UNIV OF SCI & TECH

Small electric unmanned helicopter aerial photography system based on front-end triaxial-type pan-tilt

ActiveCN103029834AAgile captureLanding gear loweredAircraft componentsRotocraftAviationSystems design
The invention relates to a small electric unmanned helicopter aerial photography system based on a front-end triaxial-type pan-tilt. The small electric unmanned helicopter aerial photography system is a small unmanned helicopter aerial photography system design mainly comprising a front-end triaxial-type pan-tilt design, a small unmanned helicopter platform design, a ground station design, and a communication system design, and belongs to the technical field of aircraft designs. The aerial photography system is light and flexible, high in integration level, low in noise, small in vibration, good in use maneuverability, low in requirements on the conditions of use environments, site and the like, and capable of realizing the omnibearing photography. The aerial photography system has a high practical value and a wide application prospect in the field of unmanned aircrafts.
Owner:TIANXUN INNOVATION BEIJING TECH CO LTD

Method for testing anti-SmD1 antibody IgG and reagent device

The invention provides a method for immunologically detecting an anti-SmD1 antibody IgG on the basis of an enzyme-linked immunosorbent assay principle and a reagent device , which relate to an analysis method used for enzyme-linked immunosorbent assay of the anti-SmD1 antibody IgG independently, individually and disposably, a reagent device and a matched reagent. In the method, a plurality of reagents required in the enzyme-linked immunosorbent assay of the anti-SmD1 antibody IgG can be contained in one analyzing device; and according to the method, relevant immunological tests can be conveniently conducted according to using requirements on the tested project, and better basis is provided for clinical practice.
Owner:SHENZHEN YHLO BIOTECH

Automatic detection and identification apparatus of concealed object

The invention discloses an automatic detection and identification apparatus of a concealed object. The apparatus comprises a scanning device, an adjusting module, a segmentation positioning module, a bar and rod combination model generation module, a non-human-body object preliminary detection module, a non-human-body object distribution module and a category recognition module. By using the automatic detection and identification apparatus of the concealed object, the detection and the identification of the concealed object are turned to be automatic from manual, which reduce a usage requirement of personnel, decrease a personal error and shorten detection interpretation time.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

Automatic detection and identification method for hidden articles

The invention discloses an automatic detection and identification method for hidden articles. The method comprises the following steps of: performing millimeter-wave scanning on a detected person to obtain an original image; regulating the original image to obtain a target image; segmenting and locating parts of a human body according to the target image; generating a bar combination model; detecting a non-human body target according to the original image to obtain a non-human body target distribution original image; obtaining position distribution information of the non-human body target distribution original image relative to the human body through the bar combination model; and identifying the type of the non-human body target and displaying the position distribution information of the hidden articles relative to the human body. By the automatic detection and identification method for hidden articles provided by the invention, a manual mode of detection and identification for the hidden articles is changed to an automatic mode, demands on staff is lowered, human error is reduced, and the detection and judging time is shortened.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT

Identification system based on biological characteristics of fingerprints

The invention relates to an identification system based on biological characteristics of fingerprints. The system comprises two fingerprint collection units, a biological characteristic identification unit and a database unit, wherein the two collection units are used for collecting fingerprints and opisthenar fingerprints simultaneously and sending received original image signals to the biological characteristic identification unit, the biological characteristic identification unit is used for respectively extracting characteristic templates of fingerprints and opisthenar fingerprints by preprocessing the collected images, the two characteristic templates are integrated in a fusion manner by utilizing the statistical method, comparison and recognition are carried out between the ultimate template and a template stored previously in the database unit, and finally judgment is made to obtain a final authentication result of identification. The system has the advantages of low error rate of authentication and good noise immunity, and is characterized by good man-machine interaction, counterfeit avoidance and the like.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

Regulating device used for rear back plate of drawer

ActiveCN103989332AImprove integrityHumanization of interior use space variabilityDrawersEngineeringMechanical engineering
A regulating device used for a rear back plate of a drawer comprises side plates, a bottom plate, the rear back plate and a slide rail assembly used or opening or closing the drawer. Rear connection devices used for being connected with the rear back plate are arranged on the side plates. The rear back plate is made of wood. Connecting pieces are arranged at the ends of the rear back plate. The rear back plate and the rear connection devices are detachably connected and / or separated through the connecting pieces. A regulating device body is arranged on each connecting piece. The rear back plate is arranged on the regulating devices and / or the connecting pieces through fixing units. The relative position between the rear back plate and the side plates and / or the connecting pieces can be regulated through the regulating device bodies. By means of the improvement of the structure, the regulating device has the advantages of being simple in design, reasonable in structure, reliable in performance, low in manufacturing cost, easy to produce and obtain and rapid and convenient to disassemble and assemble, being stable, firm and attractive in overall appearance after being assembled, being high in practicability, and the like.
Owner:伍志勇

Method for determining anti-nucleosome antibody IgG (intravenous gamma globulin) and reagent device

The invention provides a method for realizing immunization detection for an anti-nucleosome antibody IgG (intravenous gamma globulin) based on the enzyme-linked immunoassay principle and a reagent device therefor; and an analytic method, the reagent device and an assorted reagent are independently, individually and disposably used for detecting the anti-nucleosome antibody IgG based on enzyme-linked immunoassay. Various reagents needed by enzyme-linked immunoassay for the anti-nucleosome antibody IgG are contained in one analytic device; and by using the method, the related immunology detection can be conveniently carried out according to the using requirements of detection items so as to provide better basis for clinical application.
Owner:SHENZHEN YHLO BIOTECH

Inclined double-layer folded plate steel plate shear wall

The invention relates to a building member and in particular relates to an inclined double-layer folded plate steel plate shear wall. Framework columns and framework beams are connected into a square framework, an inner filler plate connected with the framework columns and the framework beams is arranged in the framework, the framework columns comprise a first framework column and a second framework column which are parallel to each other, the inner filler plate is in a folded plate structure, the included angle between the length direction of a groove and the column direction of each framework column is 30 degrees-60 degrees, and the inner filler plate is a trapezoidal, V-shaped or groove-shaped folded plate and can directly adopt a profiled steel plate. Another structure of the shear wall provided by the invention is as follows: the shear wall adopts two inner filler plates, the two inner filler plates are obliquely and crosswise arranged, the effects are better, and the shear wall can be used for overcoming the defects that the thin steel plate shear wall can not fully play strength and tensility roles of steel due to early buckling, improving the out-of-plane stability and bearing capacity of the steel plate shear wall, fully playing the advantage of high tensile strength of the steel, effectively solving the problem of overall instability and reducing the steel consumption and has the characteristics of high stability and low cost.
Owner:盐城韩资工业园产业发展有限公司

Capacitor type horizontal shaft micro-mechanical tuning fork gyroscope

The invention relates to a capacitance horizontal axis micro-mechanical tuning fork gyroscope which is characterized by including an underlay, anchor points, a detection folding beam, a framework, a drive folding beam, a detection quality block, a drive comb capacitance and a detection comb capacitance; the drive comb capacitance and the detection comb capacitance respectively include a movable electrode and a fixing electrode; the anchor points, the detection folding beam, the framework, the detection quality block, the drive comb capacitance and the detection comb capacitance are symmetrically arranged relative to the X-axis and the Y-axis of the gyroscope; the movable electrode of the drive comb capacitance is fixedly connected with the detection quality block; the detection quality block is connected with the framework by the drive folding beam; the movable electrode of the detection comb capacitance is connected with the framework; the framework is connected with the anchor points by the detection folding beam; the anchor points are fixedly connected with the underlay; the fixing electrode of the drive comb capacitance and the fixing electrode of the detection comb capacitance are fixedly connected with the underlay by the anchor points of each own. The capacitance horizontal axis micro-mechanical tuning fork gyroscope has a simple technical process, can be compatible with a Z-axis tuning fork gyroscope, can be used for realizing a chip triaxial gyroscope and can realize batch production.
Owner:PEKING UNIV

Synthesis, preparation and forming integrated method of NiAl alloy hook face plate component

The invention discloses a synthesis, preparation and forming integrated method of a NiAl alloy hook face plate component, relates to a synthesis, preparation and forming integrated method of an intermetallic compound hook face plate component, and aims to solve the technical problem that thermoforming of the hook face plate component is difficult because the existing NiAl alloy plate blank is poor in plasticity. The synthesis, preparation and forming integrated method comprises the following main steps: I, laminating and hot pressing Ni foils and Al foils alternately to obtain a Ni / Al lamination composite board; II, carrying out hot gas bulging forming on the Ni / Al lamination composite board to obtain the demanded shape and size, and enabling the Ni foils and the Al foils to react in a hot gas bulging forming die to synthesize a Ni-Al intermetallic compound; III, taking a forming piece out of the hot gas bulging forming die and putting the forming piece in a vacuum thermal treatment furnace for high-temperature vacuum thermal treatment to enable the generated Ni-Al intermetallic compound to completely react so as to generate NiAl alloy; and IV, putting the forming piece after thermal treatment in the hot gas bulging forming die, and carrying out densification treatment under the high-pressure gas bulging action. The synthesis, preparation and forming integrated method is suitable for preparation and forming of the NiAl alloy hook face plate component.
Owner:HARBIN INST OF TECH

Method for preparing composite electrode material of super capacitor

The invention relates to a method for preparing a composite electrode material of a super capacitor. The method comprises the following steps of: (1) ultrasonically dispersing graphite, sodium nitrate and concentrated sulfuric acid into an ice bath, adding potassium hypermanganate, magnetically stirring, adding deionized water, magnetically stirring to make a mixture uniform, re-adding the deionized water, stirring at constant temperature, reacting in a water bath, cooling, adding hydrogen peroxide, centrifugally washing, freezing and drying in vacuum, and thus obtaining graphite oxide; (2) dispersing the graphite oxide, nickel salt and cobalt salt into a solvent, and performing solvothermal reaction to synthesize a Ni(OH)2 / CoO / rGO composite material; and (3) uniformly mixing a Ni(OH)2 / CoO reduction graphene oxide composite material, carbon black and polyvinylidene fluoride, stirring at room temperature, uniformly coating on the surface of nickel foam, drying in vacuum, and thus obtaining the composite electrode material of the super capacitor. The method is easy to operate and low in equipment using requirement. Raw materials are easily obtained, low in toxicity and low in cost. A novel method is provided for preparation of a nanosheet composite electrode material.
Owner:DONGHUA UNIV

Steering connector position degree inspection device

The invention provides a steering connector position degree inspection device which has the advantages that the detection is rapid, the detection efficiency is improved, meanwhile, the operation is simple and convenient, the using requirement on inspection workers is lowered, and further the detection cost is reduced. The inspection device comprises a bottom plate, and bottom legs are vertically installed at four corners of the bottom surface of the bottom plate and are fixed by bolts. The steering connector position degree inspection device is characterized by comprising a limiting structure and a detection structure, wherein the limiting structure comprises a reference base and a positioning pin, the reference base is fixed on the bottom plate by the bolts, a limiting hole is formed in the center of the reference base, the positioning pin comprises a stand column, a taper pin and a handle, the stand column is rigidly connected with the taper pin, the taper pin is in threaded connection with the handle, a steering connector to be detected is positioned on the reference base by a chassis of the steering connector, and is positioned by the positioning pin; and the detection structure comprises a measuring base, a dial indicator measuring structure, a measuring pin and an outline pin, wherein the measuring base is vertically installed on the bottom plate by the bolts, and is provided with a detection hole corresponding to a standard piece of the steering connector to be detected.
Owner:MT PRECISION MACHINERY MFG

Method for pretreating waste mineral oil and performing hydrogenation regeneration to produce lubricating base oil

The invention discloses a method for pretreating waste mineral oil and performing hydrogenation regeneration to produce lubricating base oil. The method is characterized in that: pretreatment of the waste mineral oil sequentially comprises the following steps of performing sedimentation dehydration, washing, centrifuging by using a disc-type centrifuge, centrifuging by using a horizontal centrifuge, evaporating by using a scraping film evaporator, and performing reduced pressure distillation; preheated lubricating base oil enters a hydrogenating device, enters a pre-hydrogenation protection reactor first and then enters the hydrorefining reactor to produce the high-grade lubricating base oil. By the method for pretreating the waste mineral oil and performing hydrogenation regeneration to produce the lubricating base oil, various non-ideal components in the waste lubricating oil can be effectively removed only after pretreatment provided by the invention; the method is simple in steps and is convenient to operate; manpower and material resources are saved; the lubricating base oil product is good in quality and high in yield, wastes are not produced, and no pollution is caused to the environment; operating conditions are relatively mild, using requirements on equipment are lowered, the regenerating efficiency is increased by 10-15%, continuous operation of the equipment is facilitated, and pollution of the waste oil on the environment and shortage of a petroleum product are relieved.
Owner:新疆聚力环保科技有限公司

Method for judging formation time of fragmental rock based on structural thermal evolution history

The invention provides a method for judging the formation time of fragmental rock based on structural thermal evolution history, which comprises the steps of: firstly, testing a fragmental rock sample by means of fission track to obtain the date of apatite and zircon in the sample; ensuring an analog thermal history route search time region and selecting an analog annealing mode according to the statistics detection probability P (*2) of apatite and zircon; respectively inputting the apatite data, the thermal history route search maximum time region and the annealing mode into thermal history analog software; setting each boundary point in the thermal history route search time region according to the tested track age of the apatite and the zircon and a region construction thermal event; selecting a monte carlo hermal history analog numerical value method; selecting 10000 analog thermal history routes; repeating the analog for 5-8 times; selecting an optimal thermal history route with larger detection values such as GOF and K-S; and analyzing the selected thermal history route to judge the formation time of the sample. The method has low use requirement and wide use range.
Owner:XI'AN PETROLEUM UNIVERSITY

Signal reproduction type integrated circuit board failure detection device

The invention discloses a signal reproduction type integrated circuit board failure detection device which is composed of two portions including a hardware portion and a circuit portion. The hardware portion comprises a housing, alternating current connection wires, a power switch, a USB interface, a SD card interface, a circuit board interface to be detected, an integrated board, keys, a display screen, and a power indicator light. The circuit portion comprises a power circuit, a multi-channel signal acquisition and reproduction circuit and a master control circuit. The master control circuit comprises a single chip microcomputer, a display device, a USB interface, a storage device and the like. The multi-channel signal acquisition and reproduction circuit comprises a single chip microcomputer, an A / D conversion and D / A conversion circuit, a signal amplification circuit and the like. The device is used to acquire signals of a standard circuit board, and the acquire input signal is reproduced onto a corresponding input channel of a failure integrated circuit board, and at the same time, the input / output signal conditions of the failure integrated circuit board are acquired, so that from the input / output signal abnormal conditions, the position of a failure can be judged without knowing the internal structure of the integrated circuit board, so the maintenance speed can be greatly quickened, and the maintenance difficulty can be simplified.
Owner:蚌埠航宇知识产权服务有限公司

Production process of E-TPU (expanded thermoplastic polyurethane) shoe material

The invention relates to a production process of an E-TPU (expanded thermoplastic polyurethane) shoe material. The production process of the E-TPU shoe material comprises the steps implemented in sequence as follows: a, material preparation: 75-92 parts of TPU foamed particles, 5.9-19 parts of glue A, 0.9-4.8 parts of glue B and 0.38-1.5 parts of an accelerator are prepared by weight; b, addition of the glue A: the TPU foamed particles and the glue A are stirred uniformly; c, addition of the glue B: the glue B is added after the materials in the step b are mixed uniformly, and the materials are stirred uniformly; d, addition of the accelerator: the accelerator is added after the materials in the step c are mixed uniformly, the materials are mixed uniformly, and the mixture is injected into a die cavity; e, foaming: the die cavity is moved into an oven, foaming molding is performed at 50-70 DEG C for 2-3 min, and the molded shoe material can be obtained. The TPU particles can account for 90%-92% by weight of the shoe material, the weight reduction limit of the current shoe material is reached, and the E-TPU shoe material has the characteristics of being ultralight, ultrahigh in elasticity, more environment-friendly, low in cost and capable of performing massaging.
Owner:陈茂双

Integrated manufacturing method of high-temperature-resistant thin-wall component by laying metal foil strips for blank making

The invention discloses an integrated manufacturing method for a high-temperature-resistant thin-wall component by laying metal foil strips for blank making. The method comprises the steps of designing a prefabricated blank; preparing a supporting mold; determining the thickness of the foil strips; determining the width of the foil strips; formulating a laying process; laying the foil strips A andthe foil strips B; preparing the AB laminated prefabricated blank; performing bulging forming on the prefabricated blank; performing reaction synthesis and densification treatment on the bulged component; performing subsequent treatment on the thin-walled component and the like. According to the method, the thin-wall integrally-prefabricated blank which is complex in structure, uniform in wall thickness and similar to a final part in shape can be obtained by continuously laying the metal foil strips with proper widths, the thin-wall prefabricated blank does not need to be welded, the problemthat the comprehensive performance of a welding area is weak when a laminated plate blank is firstly prepared and then roll-welded into a cylinder blank at present is solved, meanwhile, the deformation during subsequent bulging is reduced, and the defects of local bulging, thinning and cracking, undercut at the parting position in the mold closing process or wrinkling caused by uneven distributionof materials in all areas are avoided.
Owner:DALIAN UNIV OF TECH

Method and device achieving MIPI LANE signal serial output on basis of FPGA

ActiveCN104780334AAdjustable relative delayTransport Synchronization and AlignmentTelevision system detailsStatic indicating devicesData signalData transmission
The invention discloses a method and device achieving MIPI LANE signal serial output on the basis of an FPGA. The method comprises the steps that 1, the data LANE transmission rate of MIPI signals is received from an upper layer, and parallel clock signals and IO serial clocks are generated; 2, the IO serial clocks are converted into two ways of IO serial clocks with the same frequency and the phase difference of 90 degrees; 3, RGB video signals are converted into MIPI set package data to be allocated to each MIPI LANE; 4, one way of IO serial clocks are copied to each LANE, serial and parallel conversion is carried out on the MIPI set package data, and a data LANE signal of each LANE is output; 5, by means of the parallel clock signals, parallel and serial conversion operation is carried out on the other way of IO serial clocks; 6, the clock LANE signals and the data LANE signal of each LANE are converted into clock LANE HS signals and an LVDS differential signal of each LANE respectively; 7, the clock LANE HS signals and the LVDS differential signal of each LANE are converted into MIPI clock LANE signals and MIPI data LANE signals to be transmitted to an MIPI module to be displayed.
Owner:WUHAN JINGCE ELECTRONICS GRP CO LTD

System and method for preocedding high speed buffer storage and invalid to data base result and derivation target

The present invention relates to systems and methods for saving results generated from database queries such as raw data, objects. queryable data sets, full or partial web responses, in memory for current and subsequent utilization and invaliding the saved results when they become inconsistent to mitigate employing inconsistent results. The saved results can be employed by one or more components and are typically utilized when a subsequent query would return substantially similar results. Thus, the system and methods mitigate performing substantially redundant queries that can reduce performance and consume resources. When a database change occurs that affect the consistency of the saved results and / or expiration period lapses, an invalidation message can be transmitted, wherein the message is employed to invalidate the saved results. Thus, the systems and methods mitigate employing inconsistent saved results. In addition, automatic requerying techniques can be employed to automatically refresh inconsistent results to obtain consistent results.
Owner:MICROSOFT CORP

Phase principal value extraction method based on full convolutional neural network

A phase principal value extraction method based on a full convolutional neural network comprises the following steps: 1) projecting a fringe pattern which is distributed according to sine and is required by pre-coding and a pre-coded fringe pattern on a computer to a to-be-detected object, and collecting the fringe pattern of the to-be-detected object by using an industrial camera; 2) constructinga full convolutional neural network model, setting a training parameter and a loss function, inputting the picture obtained in the step 1) into the neural network, and operating the neural network toobtain a required phase principal value; and (3) unwrapping the phase main value obtained in the step (2) by using a method based on quality map guidance to obtain an accurate phase value. The invention provides the phase main value extraction method based on the full convolutional neural network, which has the advantages that the image acquisition quantity is small, a training data set and a training process are not needed, and the precision is relatively high.
Owner:ZHEJIANG UNIV OF TECH

Flow template change processing method and device, readable storage medium, and electronic equipment

The invention relates to a flow template change processing method and device, a readable storage medium, and electronic equipment. The method comprises the steps: enabling a current flow node to obtain a change rule set; querying a target change rule corresponding to a current flow node in the change rule set; and executing a flow adaptive operation corresponding to the rule type of the change rule set when the target change rule is queried. According to the above technical scheme of the invention, the method can guarantee the flexibility of user services, avoids a phenomenon that a flow template is changed but a flow example is still the flow transfer according to the flow template before changing, and meets the demands of a user. The method does not need manual intervention, greatly reduces the workload of a maintainer, reduces the error risks of manual modification, and guarantees the flow transfer accuracy. In addition, the user can carry out the changing at any position of the flow template, and improves the user experience.
Owner:NEUSOFT CORP

Truck loading robot and truck loading method thereof

Provided are a truck loading robot and a truck loading method thereof. The truck loading robot is provided with an elastic stretching device and an elastic conveying line, the fixed end of the stretching device is arranged on a fixed base, a manipulator is mounted at the mobile end of the stretching device and enters into a truck or move to the side face of the truck along with the stretching device, and materials stretching onto the conveying line on the side face of the manipulator are grabbed, put in the truck and stacked by the manipulator; the manipulator is further provided with a vision detector, a control system controls moving of the stretching device and the conveying line and grabbing work of the manipulator according to the measured result of the vision detector. The truck loading robot and the truck loading method can finish stacking work of the materials extremely conveniently and quickly, are very high in automation degree, effectively relieve labor intensity and improve production efficiency; meanwhile, the truck loading robot is simple in structure and easy to manufacture, the work process is stable and fast, and the truck loading robot can be conveniently installed on different sites and is very wide in application range.
Owner:GUANGZHOU TECH LONG PACKAGING MACHINERY CO LTD

Method for allocating bicycles at public bicycle rental stations with urgent demand in city

The invention discloses a method for allocating bicycles at public bicycle rental stations with urgent demands in a city. The method mainly comprises two parts of determining a bicycle borrowing demand of a rental station and determining the number of returned bicycled. The method comprises the following steps of determining a service radius of the public bicycle rental station with the urgent demand; on the basis of the service radius, considering the influence of individual family influence factors and trip characteristics of residents on trip mode selection, establishing a multi-element Logit model for trip mode selection of the residents, and calculating the bicycle borrowing demand of the rental station; according to historical OD data of a public bicycle system, considering current bicycle return and potential bicycle return, and determining the number of the returned bicycle in peak time at the public bicycle rental station; determining the bicycle allocating number at the public bicycle rental station with the urgent demand according to a difference value between the bicycle borrowing demand and the number of the returned bicycles in the peak time. The method for allocating the bicycles at the public bicycle rental stations with urgent demands in the city provides reference for allocating the bicycles at the public bicycle rental stations with urgent demands in the city in the peak time.
Owner:SOUTHEAST UNIV

High-temperature flow field whole-process water-cooling bent frame

The invention relates to a high-temperature flow field whole-process water-cooling bent frame. The bent frame comprises a main frame body, a windward plate, a plurality of pitot pressure probes, a plurality of total temperature probes, a water pipe, a triangular supporting frame and a connecting strut, wherein the windward plate is fixedly connected to one side of the main frame body, the triangular supporting frame and the connecting strut are fixedly connected to the other side of the main frame body, the plurality of pitot pressure probes and the plurality of total temperature probes are fixedly connected to the windward plate at intervals, the water pipe is erected at the bottom of the main frame body, side water channels are formed in the two sides of the main frame body, a front water channel is formed in the front end face of the windward plate, the water pipe comprises a water inlet pipe part and a water outlet part, the water inlet pipe part communicates with the bottom of theside water channel in one side of the main frame body, the top of the side water channel in one side of the main frame body communicates with the top of the front water channel and the top of the side water channel in the other side of the main frame body, and the bottom of the front water channel and the bottom of the side water channel in the other side of the main frame body communicate with the water outlet pipe part. The bent frame has the advantages that the bent frame can work normally in a 3,100K flow field, ablation of the bent frame is avoided, and meanwhile ideal flow field data isobtained.
Owner:中国空气动力研究与发展中心超高速空气动力研究所

Turbine shell location degree detection tool

The invention provides a turbine shell location degree detection tool which can improve detection efficiency, is suitable for a quick detection link in the mass production process, reduces use requirement of detection staff, and further reduces detection cost. The turbine shell location degree detection tool comprises a bottom plate, wherein bottom feet are arranged on the bottom face of the bottom plate and located on four corners of the bottom plate. The turbine shell location degree detection tool is characterized by comprising a limit structure and a location degree detection structure, and the limit structure and the location degree detection structure are arranged perpendicular to the bottom plate. The location degree detection structure comprises a measurement seat, a rough locator, adjusting screws and a dial gauge measurement body. The measurement seat is perpendicularly arranged on the bottom plate through a bolt, and two detection through holes are horizontally formed in the measurement seat, and two detection through holes are longitudinally formed in the measurement seat. Measurement sleeves are inserted in the detection through holes, and the rough locator is arranged on one side, facing a turbine shell to be detected, of the measurement seat. The lower portions of the measurement seat and the rough locator are provided with threaded holes, and the adjusting screws are arranged in the threaded holes. The turbine shell to be detected is arranged on the bottom plate through the limit structure, and one end, with an air outlet face, of the turbine shell to be detected faces the measurement seat.
Owner:MT PRECISION MACHINERY MFG

Ultra-high purity purifying technique for native graphite

The invention discloses a hyper-high purity extracting technology of natural graphite, which comprises the following steps: (1) putting natural graphite in the container to do oxidizing disposal with low-middle carbon content more than 98%; (2) fusing at high temperature; (3) inputting in the metal erosion-proof container; proceeding dealkalization; (4) deacidifying to wash to neutral; (5) proceeding electromagnetic black metal removing disposal in the floating pool; (6) heating in the autoclave from 118 deg, 206 deg and 220 deg separately; (7) using pure water to dispose; (8) dehydrating; (9) drying until the water content is less than 0.1%.
Owner:LUOYANG GUANQI INDAL & TRADE

Installation equipment for super high-rise glass curtain wall

InactiveCN106121255AJob safetyImprove work comfort and work efficiencyBuilding material handlingFastenerCable stayed
The invention discloses a super-high-rise glass curtain wall installation device, which includes cable-stayed steel wires, cable-stay rods, pre-buried wall parts installed on multi-layer walls, bracket connecting bolts, electric hanging baskets, cantilever brackets and lifting frames. Electric hoist, the two ends of the cantilever bracket are respectively connected to the lowermost pre-embedded wall parts and the bracket connecting bolts, the cable-stayed steel wires are connected between the bracket connecting bolts and the uppermost pre-embedded wall parts, and the diagonal-stay rods are connected to the brackets. Between the bolts and the pre-embedded wall parts of the middle layer; the I-beam rail on the cantilever bracket is connected to the electric hanging basket and the lifting electric hoist. The invention can make the operation of managers safer, more convenient, faster and more humanized, and improve work comfort and work efficiency; the installation and disassembly are simple, and can be recycled multiple times; the hoisting efficiency is high, the installation speed is fast, and the construction speed is greatly improved.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD
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