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23653results about How to "Reduce investment" patented technology
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Abrasive bead coated sheet and island articles
InactiveUS20050118939A1Simple processReduce investmentPigmenting treatmentOther chemical processesWater basedSlurry
Flexible abrasive sheet articles having precision thickness flat-topped raised island structures that are coated with a monolayer of equal sized abrasive agglomerate are described. Methods of producing high quality equal-sized spherical shaped composite abrasive agglomerate beads containing small diamond abrasive particles are described. Beads are produced by level-filling fine mesh screens or perforated sheets with a water based metal oxide slurry containing abrasive particles and then using a fluid jet to eject the abrasive slurry lumps from the individual screen cells into a dehydrating environment. Surface tension forces form the ejected liquid lumps into spheres that are solidified and then heated in a furnace to form ceramic beads. These porous ceramic abrasive beads can be bonded directly onto the flat planar surface of a flexible backing material or they can be bonded onto raised island surfaces to form rectangular or disk abrasive sheet articles. Abrasive articles having equal sized abrasive beads are particularly suited for lapping and raised island articles are suited for high speed lapping. Non-abrasive equal-sized beads can also be formed using this simple bead manufacturing process, which requires only a very low capital investment.
Owner:DUESCHER WAYNE O
Skin engaging member for razor blade assembly
The present invention relates to a skin engaging member for use in a razor blade cartridge assembly or shaving systems of the wet shave type comprising an elongated flexible sheath region and at least one elongated, rigid core region. The core region is surrounded by the sheath such that the outer surface of the core does not intersect the outer surface of the sheath. Generally, the core or cores extend axially throughout the sheath and provide sufficient mechanical strength and rigidity to provide adequate mechanical strength and rigidity to provide adequate mechanical strength to the entire skin engaging member, as initially produced, during the shaving operation and after a significant amount of shaves.
Owner:THE GILLETTE CO
Hydrocarbon gas processing
ActiveUS20060283207A1Reduce the valueReduce investmentSolidificationLiquefactionFractionationFractionating column
A process for the recovery of ethane, ethylene, propane, propylene, and heavier hydrocarbon components from a hydrocarbon gas stream is disclosed. The stream is cooled and is thereafter expanded to the fractionation tower pressure and supplied to the fractionation tower at a lower mid-column feed position. A distillation stream is withdrawn from the column below the feed point of the stream and is then directed into heat exchange relation with the tower overhead vapor stream to cool the distillation stream and condense at least a part of it, forming a condensed stream. At least a portion of the condensed stream is directed to the fractionation tower at an upper mid-column feed position. A recycle stream is withdrawn from the tower overhead after it has been warmed and compressed. The compressed recycle stream is cooled sufficiently to substantially condense it, and is then expanded to the pressure of the fractionation tower and supplied to the tower at a top column feed position. The quantities and temperatures of the feeds to the fractionation tower are effective to maintain the overhead temperature of the fractionation tower at a temperature whereby the major portion of the desired components is recovered.
Owner:UOP LLC
Informatization application cluster platform of small and medium enterprises
InactiveCN102324074ALow application costOptimal Management BottlenecksInstrumentsInformatizationCustomer relationship management
The invention discloses an informatization application cluster platform of small and medium enterprises. The informatization application cluster platform comprises a portal management system, an enterprise logistics supply chain resource planning management system, an enterprise resource planning management system, an enterprise distribution resource planning and supply chain management system, an enterprise customer relation management system, an enterprise collaborative working platform management system, an enterprise product data management and product life cycle management system, an enterprise human resource management system, an enterprise operating management talent assessment system, an enterprise educational training network platform integrated system and a decision supporting analysis system. The informatization application cluster platform of the small and medium enterprises has the advantages that: by real-time on-line application and management for a plurality of small and medium enterprises, the safety of the operation data of on-line enterprises can be guaranteed; the investment of economic and technical talents for the informatization application of the small and medium enterprises of China is greatly reduced; an enterprise management bottleneck is optimized; the information technology (IT) application cost of the enterprises is greatly saved; and the implementation of the informatization of the small and medium enterprises is simplified.
Owner:SHANDONG CENTONG TECH
Apparatus and method for processing digital images having eye color defects
InactiveUS7035462B2Reduce investmentTrue colorTelevision system detailsAcquiring/recognising eyesComputer visionDisplay device
An apparatus and method for processing digital images having eye color defects. In one method for detecting and correcting eye color defects of a subject in a digital image, the steps comprise: (a) processing the digital image to automatically detect one or more candidate positions of eye color defects in the digital image; (b) automatically applying an eye color defect algorithm to the digital image at the detected candidate positions to automatically correct for the eye color defect; (c) displaying, on a display, at least a portion of the digital image comprising at least one of the corrected eye color defects; and (d) displaying, on the display, an indicator located proximate the at least one of the corrected eye color defects indicative of the at least one of the corrected eye color defects.
Owner:MONUMENT PEAK VENTURES LLC
Optimizing resource plans
InactiveUS20030208392A1Good serviceReduce investmentOffice automationResourcesLimited resourcesTransportation scheduling
The present invention relates to a master resource planning systems and related methods for optimizing resource plans across multiple networks. In particular, the present invention optimizes constrained resources across multiple networks and produces an optimized plan to allocate and coordinate the obtaining, shipping and procurement of limited resources based upon user-defined strategies and supplier / shipper preferences Aspects of the disclosure include creating planning data and planning rules. Planning data contains information regarding constrained resources in the multiple networks. Planning rules are based on user-defined strategies. Additional aspects include generating a plan based on the planning data and the planning rules and revising the plan in real-time. The generated plan optimally allocates the constrained resources according to the user-defined strategies. Certain embodiments disclosed herein employ pegging strategies for handling over and under availability of demanded resources among a variety of competing orders. Other certain embodiments disclosed herein optimize the procurement of resources needed to fulfill orders in part by taking into account limitations in shipping lag times, established transportation schedules, and carrier preferences.
Owner:JDA SOFTWARE GROUP
Container inspection apparatus
InactiveUS6563903B2Easy to disassembleEasy to moveUsing wave/particle radiation meansMaterial analysis by transmitting radiationContinuous scanningModular unit
Owner:TSINGHUA UNIV +1
Method and system for enterprise-level unassisted customer shipping
InactiveUS6970855B2Enhancing customer convenienceImprove integrityFranking apparatusLogisticsPaymentBill of materials
A system and method for unassisted enterprise-level unassisted customer shipping is described providing for payment of shipping and item costs in a single transaction. In one configuration, a customer utilizes a kiosk to process a shipping bill of materials for presentment at a point of sale terminal.
Owner:DMT SOLUTIONS GLOBAL CORP
Electric drive fracturing semitrailer with dual engines and dual pumps
PendingCN109882144ARealized pump powerReduce investmentAssociation with control/drive circuitsPositive displacement pump componentsDrive shaftElectrical control
The invention discloses an electric drive fracturing semitrailer with dual engines and dual pumps. The electric drive fracturing semitrailer with the dual engines and the dual pumps comprises a semitrailer body, two plunger pumps, two radiators and an electrical control cabinet. The electric drive fracturing semitrailer with the dual engines and the dual pumps is characterized by further comprising two electromotorsand an inverter unit. The plunger pumps, the radiators, the electrical control cabinet, the electromotors and the inverter unit are integrated in the semitrailer body, the inverterunit is arranged on the gooseneck of the semitrailer body, the output end of the inverter unit individually drives the two electromotors, the other ends of the two electromotors are connected with theplunger pumps correspondingly, lubricating oil of the plunger pumps is cooled through the radiators, and local operation of the electric drive fracturing semitrailer with the dual engines and the dual pumps is realized through the electrical control cabinet. The electric drive fracturing semitrailer with the dual engine and the dual pump has the beneficial effects that the electromotors are adopted to drive the plunger pumps through a transmission shaft, the volume is small, and the economic efficiency, energy conservation and environment protection are achieved. The signal pump power of theplunder pumps is improved, design that the dual pumps are driven by the two electromotors is adopted by the whole fracturing device, the output power of the fracturing device is greatly improved, andthe using requirements are better met.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
Preparation method of wet process mixed natural rubber material
ActiveCN102153792AGood dispersionImprove uniformityRolling resistance optimizationRubber materialPolymer science
The invention relates to a preparation method of a wet process mixed natural rubber material. The method comprises the following steps of: preparing slurry and soaking 15-40 percent of dry white carbon black in 60-85 percent of deionized water; adding a coupling agent and a surfactant, uniformly mixing, grinding, preparing latex mixed liquor, extracting natural latex and adding white carbon black water dispersoid into the latex; stirring and mixing to obtain a latex mixed liquor, flocculating and adding acetic acid into the mixed liquor; performing rubber washing and dehydration by using a rubber washing machine and feeding to a rubber pelletizer for pelletizing; and feeding rubber particles into a box drying cabinet for drying. The preparation method has the advantages of simple machining process, small equipment investment, realization of various ideal performances with the most ordinary white carbon black, low dust pollution in the entire production process and energy saving. A tire manufactured with the method has small rolling resistance, low heat generation, high tensile strength, high tearing strength and high rubber material ageing resistance. Mixing of the white carbon black is performed in a liquid phase, so that the dispersivity and uniformity are enhanced.
Owner:ZHUZHOU ANBAOLINFENG NEW MATERIALS
Condition-based activation of a user interface
InactiveUS20160357354A1Improve effectivenessImprove efficiencyAcoustic time signalsDigital data processing detailsDisplay deviceOperation mode
Owner:APPLE INC
Device and method for preparing nitrogen foam cement
InactiveCN111206901ALow densityReduce energy consumptionSealing/packingHigh pressure waterNitrogen gas
The invention discloses a device and method for preparing nitrogen foam cement. The preparing device comprises a foam cement producer, a liquid nitrogen evaporator, a liquid nitrogen plunger pump, a foam liquid plunger pump, a foam liquid tank, a heat exchange system, a liquid nitrogen pipeline, a high-pressure cement paste pipeline, a first pipeline, a foam cement discharge pipeline and a densitydetecting device. The heat generated by a power unit, a hydraulic system and other devices in a nitrogen foam well fixing device is recovered through the heat exchange system, the recovered heat is used as a heat source of the liquid nitrogen evaporator, energy conservation and environment protection are realized, the energy utilization rate is high, and equipment input is low. Liquid nitrogen and foam liquid are pressurized through a high-pressure liquid nitrogen plunger pump and a high-pressure foam liquid plunger pump, the mixing uniformity is increased, and the density of foam cement is reduced. The density of the foam cement is detected in real time through the density detecting device, the flow of the liquid nitrogen and / or foam liquid is adjusted according to the density, and the density is simply controlled. By arranging a clear water tank, after operation ends, the equipment and pipelines are flushed, and the service life is polonged.
Owner:YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
Text-based messaging application cloud
InactiveUS20120240062A1Easy to browseMaximization of overall densityInput/output for user-computer interactionMultiple digital computer combinationsExtensibilityService cloud
This disclosure relates to systems and methods for providing an application services cloud based on text-based messaging that hosts a plurality of application services that enables applications to be designed and delivered in a simple, productive, and extensible user experience. The present disclosure transforms any device equipped with text-based messaging into a cloud computer, a thin client with connected access to cloud-hosted applications. The disclosure overcomes heretofore unsolved platform design and implementation challenges for text-based messaging applications such as issues of user interface constraints, security, service discovery, information filtering and tracking, platform integration and extensibility, and architectural scalability.
Owner:CELLY
Data sharing method and system, blockchain system, and computing equipment
The invention discloses a data sharing method and system, a blockchain system, and computing equipment. The data sharing method comprises the following steps: after receiving data from a data owner, a data storer stores the data and submits basic information of the data to the blockchain system; when receiving an access request from a user, the data storer judges whether the user sending the access request has an access authority or not according to the basic information stored in the blockchain system and the access authority of the user for the data; and if the user has the access authority for the data for which the access request is sent, the data storer provides the data to the user according to the access authority. The data sharing method and system, the blockchain system and the computing equipment adopting the technical scheme have the advantages that costs and resource input can be greatly reduced, and global sharing control for the data can be achieved.
Owner:深圳和信中欧科技有限公司
Graphene and carbon fiber composite material, and preparation thereof
The invention relates to a Graphene and carbon fiber-based composite material and a preparation method thereof. The composite material is prepared by taking the Graphene and the carbon fiber as raw materials, and coating a Graphene coating layer on the surface of the carbon fiber by a coating method, and the thickness of the coating layer is 1nm-5mum. The Graphene is taken as a surface coating material of the carbon fiber, and the Graphene and the carbon fiber are carbon materials and have high compatibility, thus Graphene solution coated on the surface of the carbon fiber can form the high-performance composite material and further improve the mechanical property, conductivity and heat resistance of the carbon fiber. The composite material has low cost, simple operation and strong applicability.
Owner:NANKAI UNIV
Input device, mobile telephone, and mobile information device
InactiveUS20050129199A1Reduce investmentEasy to operateInput/output for user-computer interactionInsulating substrate metal adhesion improvementLocation detectionInformation device
An input device having touched position detecting means for outputting a signal indicating a touched position during a period of time of touch when the touched position detecting means is touched, wherein a character and a symbol are inputted to be displayed on a display screen. Provided are: a virtual keyboard in which each virtual key corresponding to a plurality of characters or symbols is arranged corresponding to each divided area on the touched position detecting means; means for outputting, during the period of time of touch, a code signal indicating a character or a symbol of a virtual key corresponding to an area including the touched position; means for temporarily displaying on the display screen a character or a symbol of the outputted code signal; and means for determinately displaying the character or the symbol on the display screen when the code signal has disappeared.
Owner:KATHENAS
A smart agriculture monitoring system based on Web of Things
InactiveCN104852989AImprove production management efficiencyLabor savingTransmission systemsTransmissionVideo monitoringWireless networked control system
The present invention relates to a smart agriculture monitoring system based on a Web of Things. The system includes a CPU, connected with a smart sensor, a smart adjusting and controlling device, a real-time image and video monitoring apparatus, a transmission apparatus, an alarm system and a terminal; the CPU is connected with the smart sensor, the smart adjusting and controlling device, the real-time image and video monitoring apparatus, the transmission apparatus, the alarm system and the terminal via the wireless network controlling system; and the smart agriculture monitoring system is powered via a solar energy powering apparatus. The Web of Things agriculture smart detection and control system can greatly increase manufacturing and managing efficiency, save manpower, and can conveniently provide a strong scientific data theoretical support to aspects such as various agricultural fields or researches; and the important function thereof is obvious in the highly automated and intelligentized society.
Owner:北京东方海岸物联网科技有限责任公司
Liquefied Natural Gas Processing
ActiveUS20080000265A1Simple process equipmentReduce investmentSolidificationLiquefactionChemistryLiquefied natural gas
A process and apparatus for the recovery of ethane, ethylene, propane, propylene, and heavier hydrocarbons from a liquefied natural gas (LNG) stream is disclosed. The LNG feed stream is divided into two portions. The first portion is supplied to a fractionation column at an upper mid-column feed point. The second portion is directed in heat exchange relation with a warmer distillation stream rising from the fractionation stages of the column, whereby this portion of the LNG feed stream is partially vaporized and the distillation stream is totally condensed. The condensed distillation stream is divided into a “lean” LNG product stream and a reflux stream, whereupon the reflux stream is supplied to the column at a top column feed position. The partially vaporized portion of the LNG feed stream is separated into vapor and liquid streams which are thereafter supplied to the column at lower mid-column feed positions. The quantities and temperatures of the feeds to the column are effective to maintain the column overhead temperature at a temperature whereby the major portion of the desired components is recovered in the bottom liquid product from the column.
Owner:UOP LLC
Systems and Methods for Acid Gas Removal
InactiveUS20110217218A1Reduce and eliminate needReduce investmentGas treatmentDispersed particle separationDesorptionProduct gas
A method and system for the selective removal of CO2 and / or H2S from a gaseous stream containing one or more acid gases. In particular, a system and method for separating CO2 and / or H2S from a gas mixture containing an acid gas using an absorbent solution and one or more ejector venturi nozzles in flow communication with one or more absorbent contactors. The method involves contacting a gas mixture containing at least one acid gas with the absorbent solution under conditions sufficient to cause absorption of at least a portion of said acid gas. The absorbent contactors operate in co-current flow and are arranged in a counter-current configuration to increase the driving force for mass transfer. Monoliths can be used that operate in a Taylor flow or slug flow regime. The absorbent solution is treated under conditions sufficient to cause desorption of at least a portion of the acid gas.
Owner:EXXON RES & ENG CO
Method of transferring large uncured composite laminates
InactiveUS7228611B2Reduce investmentLaminationEfficient propulsion technologiesComposite laminatesEngineering
A method of transferring an uncured composite laminate skin from a lay-up surface of a male mandrel tool to a female cure tool includes defining multiple vacuum zones on the lay-up surface, each zone corresponding to one of a multiple of portions into which the skin is to be separated. For example, to separate the skin into two portions, a low profile seal of a first membrane to the lay-up surface is formed at a first vacuum zone and a second low profile seal for a second membrane is formed at a second vacuum zone. The method further includes laying up a composite laminate skin over all the vacuum zones; separating the composite laminate skin into portions, for example, a first portion over the first vacuum zone and a second portion over the second vacuum zone; and releasing the portions individually into cure tools having an outside mold line surface.
Owner:THE BOEING CO
Phonetic and stroke input methods of Chinese characters and phrases
InactiveUS20050027534A1Minimize the numberImprove efficiencyInput/output for user-computer interactionSubstation equipmentChinese charactersRisk stroke
A system and method for inputting Chinese characters using phonetic-based or stroke-based input method in a reduced keyboard is disclosed. By introducing common indices to ideographic characters, the system allows the ideographic characters to be shared among different type of input methods such as phonetic-based input method and stroke-based input method. The system matches input sequences to input method specific indices such as phonetic or stroke indices. These input method specific indices are then converted into indices to ideographic characters, which is then used to retrieve ideographic characters.
Owner:TEGIC COMM
Autonomous safety and recovery system for unmanned aerial vehicles
InactiveUS20160318615A1Slow fallReduce investmentUnmanned aerial vehiclesParachutesFlight vehicleActuator
A safety and recovery system for an unmanned aerial vehicle including a parachute holder mountable to the aerial vehicle. A parachute is disposed in the parachute holder. An actuator is engaged with the parachute holder. A flight sensor is in communication with the actuator, the flight sensor programmed to detect one or more predetermined emergency flight conditions, and transmit an emergency signal when the flight sensor detects one of the predetermined emergency flight conditions. The actuator deploys the parachute from the parachute holder when the actuator receives the emergency signal from the flight sensor. Autonomous deployment of the parachute can help minimize damage to the aerial vehicle, equipment on the aerial vehicle, or objects or persons beneath the aerial vehicle, in the event of an emergency.
Owner:SKYFALLX LLC
Accessing and displaying information corresponding to past times and future times
ActiveUS20160357420A1Improve effectivenessImprove efficiencyAnimationInput/output processes for data processingCurrent timeUser interface
The present disclosure relates to techniques accessing and displaying information pertaining to past times and future times. In some embodiments, a device displays a first current-time indicator and a user interface object configured to display information corresponding to a first information source and to the current time. In some embodiments, in response to and in accordance with detecting a rotation of a rotatable input mechanism, the device displays a non-current-time indicator indicating a non-current time, and updates the first user interface object to display information corresponding to the first information source and the non-current time. In some embodiments, the device continues to display an indication of the current time.
Owner:APPLE INC
Soil fertility amendment and preparation method thereof
The invention provides a multifunctional soil nutrient conditioner formula with low cost, practicality and effectiveness and a preparation method thereof aiming at the technical problems. The production technology is simple, the production cost is low, and no harmful gas and sewage are generated during production. The product can effectively provide dozens of nutritive elements required for plant growth, is applied by being combined with a common fertilizer and an organic fertilizer, and can obviously improve the utilization rate of the fertilizer, so as to reduce the fertilizer input; and simultaneously the product can obviously stimulate action of beneficial floras of the soil, inhibit action of causal organisms, and increase the disease suppression of the soil and the resistance of plants, and then can effectively control generation of physiological diseases and soil-borne diseases, so as to reduce the pesticide input. The fertilizer input and the pesticide input can be reduced by more than 15 to 30 percent, and the yield can be increased by more than 15 to 30 percent, and simultaneously the product quality is obviously improved and cost conservation and synergism are obvious. Moreover, the soil improvement effect is obvious, and the sustainable utilization capacity can be obviously enhanced.
Owner:仲元(北京)绿色生物技术开发有限公司 +1
Conductive carbon film based on graphene as well as preparation method and application
InactiveCN101474898AForm evenlySimple processMaterial nanotechnologyCarbon compoundsCarbon filmFilm base
Owner:NANKAI UNIV
Method for automatically testing embedded software
ActiveCN104407971AImprove work efficiencyImprove test efficiencySoftware testing/debuggingTest executionTest types
The invention provides a method for automatically testing embedded software, and aims to provide a method which is not separated in design and execution and is capable of improving the testing efficiency and the testing quality of the embedded software. The method is realized through the following technical schemes of integrating interface design, test planning, test design, test execution, defect management and regression test in a unified platform for management by adopting software engineering; allocating the grades between a data element and a data block according to difference of items, and designing an interface control file; establishing a test cross-linking environment diagram, formulating test types, and designing test items or test sub-items, the name of test cases and the description of test cases; designing independent test cases, forming a scene / business flow test case by linking the independent test cases together through a flow diagram, and saving data of the test design in a database; jointly forming a test platform by enabling the test execution to be combined with the test environment diagram, the test cases and an interface route; automatically recording a test result by a system.
Owner:10TH RES INST OF CETC
Ultrasonic metal surface processing device
ActiveCN1690231AIncrease productivityReduce investmentMechanical vibrations separationElectricityTransducer
The invention provides a ultrasonic working device for metallic surface, which comprises ultrasonic generator and ultrasonic working device linked together by cable conductor. The ultrasonic generator is existing device, and ultrasonic working device comprises shell which is equipped with spring connected to checkout gear for pressure one side and to briquette the other side besides with checkout gear for pressure and display for pressure, checkout gear for pressure, display for pressure, briquette, spring, piezoelectric ceramic transducer equipped in the shell and connected tight to one end of the half-wavelength complex varying amplitude pole by screw, half-wavelength complex varying amplitude pole whose outlet connected tight to tool caput by screw, tool caput and draught fan equipped on other end of the shell. Producing with the device for metallic surface can reduce the processing cost rapidly and effectively, simplify the productive technology, and advance the productive efficiency, as a result, it takes on a nice extendable and applicable value.
Owner:SHANDONG HUAWIN ELECTRICAL & MECHANICAL TECH
Zero-discharge treatment method of salt-containing organic wastewater
InactiveCN105439395AEasy to handleEfficient reuseTreatment using aerobic processesTreatment involving filtrationEvaporationOrganic matter
The invention provides a zero-discharge treatment method of salt-containing organic wastewater. The method comprises the following steps that biochemical treatment and filtering treatment are performed on wastewater; then, membrane concentration is performed; pure-water-producing high-organic-matter-content membrane concentration concentrated water and optional low-organic-matter-content membrane concentration concentrated water are obtained; the high-organic-matter-content membrane concentration concentrated water is used for high-grade oxidation treatment; high-grade oxidation produced water is used for regulation treatment to obtain high-grade oxidation outlet water; the obtained high-grade oxidation outlet water is subjected to evaporation treatment; or the obtained high-grade oxidation outlet water and the low-organic-matter-content membrane concentration concentrated water are mixed under the condition that the low-organic-matter-content membrane concentration concentrated water exists in the step, and then, the evaporation treatment is carried out; external discharge concentration liquid of an evaporator and / or high-salt-content high-organic-matter-content wastewater discharged during the tank brushing of the evaporator are conveyed back into a high-grade oxidation treatment unit; after the liquid is mixed with the high-organic-matter-content membrane concentration concentrated water, the high-grade oxidation treatment is carried out. The wastewater treatment method is stable and reliable; the long-period and stable operation of an evaporation system can be ensured; the zero discharge of the industrial wastewater is realized.
Owner:DATANG INT CHEM TECH RESINST
Remote vehicle rental systems and methods
ActiveUS20140156111A1Reduce infrastructure complexityLow costTicket-issuing apparatusDigital data processing detailsOperational costsOdometer
A system for renting vehicles is disclosed. The system can comprise a vehicle access communicator (“VAC”) capable of interfacing with one or more functions of a rental vehicle and a user provided portable electronic device. The VAC can control various functions of the vehicle including, but not limited to, the door locks and / or enabling / disabling the vehicle. The VAC can also monitor various functions of the vehicle including, but not limited to, the fuel level and / or the odometer readings. The VAC can connect to the portable electronic device using a suitable connection method to access additional functionality such as, for example and not limitation, locations services, cellular, and / or internet access. The VAC and the portable electronic device can be used to provide a rental system with reduced infrastructure and operating costs. The system can enable the use of “Green Zones” to provide permanent or temporary vehicle rental areas.
Owner:I D SYST
Carst region double-arch road tunnel construction method
ActiveCN101864960AReasonable designSimplify construction stepsUnderground chambersTunnel liningTunnel constructionChannel inlet
The invention discloses a carst region double-arch road tunnel construction method, which comprises the following steps; 1. carrying out construction preparation; 2. carrying out construction at channel openings; 3. adopting a three-pilot-tunnel method for constructing the channel inlet opening section, and adopting a step digging method for digging during the three-pilot-tunnel method construction; 4. adopting a middle-pilot-tunnel method for constructing the middle communication section of the channel, and adopting a full cross section method for digging during the middle-pilot-tunnel method construction; 5. adopting the three-pilot-tunnel method or the middle-pilot-tunnel method for constructing the channel outlet opening section, adopting the step digging method for digging when the middle-pilot-tunnel method is adopted for digging construction of the channel outlet opening section, and synchronously carrying out secondary lining construction from the front part to the back part in the digging construction process of the channel inlet opening section, the middle communication section of the channel and the channel outlet opening section. The invention has the advantages of reasonable design, simple and convenient construction, safe and reliable construction process, flexible construction mode, short construction period and greatly simplified construction steps, and effectively overcomes various defects during the traditional carst region double-arch road tunnel construction.
Owner:CHINA RAILWAY 20 BUREAU GRP +3
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