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451results about How to "To achieve an organic combination" patented technology

System for monitoring complicated oil deposit flooding conditions

The invention discloses a system for monitoring complicated oil deposit flooding conditions, comprising an input unit, a multi-level processing unit and a display unit, wherein the input unit is used for inputting well point geologic parameters; the multi-level processing unit is used for building hidden geologic characteristic parameters according to the well point geologic parameters input by the input unit, finishing multi-layer, multi-well, multi-phase and multi-driving power energy balance analysis and calculation of a block, further building an injecting and extracting correspondence relationship among wells and carrying out comprehensive inversion treatment on the layered and partitioned flooding conditions by using improper functions to obtain distribution data of various sucking sections and layered flooding conditions of the block and a single well in different periods; and the display unit is used for displaying the injecting and extracting correspondence relationship amongwells, built by the multi-level processing unit, and the obtained diagram result data of the distribution of the various sucking sections and the layered flooding conditions of the block and the single well in different periods. The system can obtain accurate layered flooding condition data and different levels of section analyzed result data, improve the extracting precision, and save the manpower and material resources.
Owner:CHINA NAT OFFSHORE OIL CORP +1

Optimization method of simultaneous harvest and reclamation opportunity based on mining subsidence simulation and second ploughing rate

The invention discloses an optimization method of simultaneous harvest and reclamation opportunity of single coal layer based on mining subsidence simulation and second ploughing rate, relates to dynamic mining subsidence prediction and GIS (Geographic Information System) analysis processing, and belongs to the field of mining technology, land utilization and land rehabilitation, and the method is used for solving the problem of unstable mining subsidence land reclamation and realizing the simultaneous harvest and reclamation of underground coal mine regions. The method comprises the steps of: considering the subsidence visual simulation of landform before mining, the ground subsidence scene simulation of time domain and the optimization of the simultaneous harvest and reclamation opportunity based on the second ploughing rate on the basis of onsite file collection and analysis and based on a probability integral method and a mining subsidence predict of Knothe time function. The method disclosed by the invention performs dynamic scene simulation and reclamation opportunity optimization on the subsidence to determine the optimal reclamation opportunity under special mining conditions and natural conditions, thereby rescuing the precious surface soil resources of plain mining areas to the uttermost and planning, protecting and treating the lands to be suffered from subsidence damage in advance, so as to improve the reclamation rate, reduce the reclamation cost, promote the sustainable utilization and sustainable development of mining area land resources, and guarantee the coordination and synchronous development of coal resource mining and cultivated land protection.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Voting based taxi passenger-carrying point recommendation method

The invention discloses a voting based taxi passenger-carrying point recommendation method, comprising the steps of: extracting historical passenger-carrying point data of all taxies, performing space-time clustering analysis to obtain a first candidate point set, performing time-space clustering analysis to obtain a second candidate point set, deleting all of the first candidate points and the second candidate points which are same in time attribute and have Euclidean distances smaller than a preset threshold value, generating a new candidate point through voting, grading and weighting, and obtaining a to-be-recommended candidate passenger-carrying point data set; and according to a target position and target time requested by a user, recommending candidate passenger-carrying points from the to-be-recommended candidate passenger-carrying point data set. The method can realize organic combination of space and time, avoids the problem of inaccurate passenger-carrying point analysis caused by difference due to time and space change, has the advantages of high time-space coupling degree and high accuracy, and can meet personalized demands of the user while recommending the candidate passenger-carrying points with relatively high passenger-carrying probability for the user.
Owner:HUNAN UNIV OF SCI & TECH

Device and method for refining and separating polyoxymethylene dimethyl ether containing formaldehyde

PendingCN107118083AReduce consumptionSolving Formaldehyde Polymerization ProblemsOrganic chemistryOrganic compound preparationPipingChemistry
The invention relates to a device and method for refining and separating formaldehyde-containing polyoxymethylene dimethyl ether, which mainly includes a separation system and a rinsing and condensation circulation system. The separation system mainly consists of reaction unit (I), deacidification device (II), first atmospheric fractionation column (III), second atmospheric fractionation column (IV), vacuum distillation column (IX), vacuum refining Distillation tower (X), dehydration device (VII); the main devices of the leaching condensation circulation system include the first rinsing absorption tower (V), the second leaching absorption tower (VI) and the eluent storage tank (Ⅷ ) and related piping components. The present invention effectively solves the problem of formaldehyde polymerization blocking the condenser and pipelines in the process of separating aldehyde-containing polyoxymethylene dimethyl ether products through the organic combination of separation and rinsing systems, and 100% recovery of formaldehyde in the separated products realizes The continuous separation process of formaldehyde-containing polyoxymethylene dimethyl ether products with DMM3-6 as the product is realized, which is energy-saving and environmentally friendly.
Owner:TIANJIN UNIV

Oil lubricating electromagnetic vertical type semi-continuous casting method and crystallizer of magnesium alloy ingot blank

InactiveCN101239371AReduce interface contact pressureLow coefficient of sliding frictionThin layerConductor Coil
An oily electro-magnetism vertical type semi-continuous casting process for a magnesium alloy ingot blank and a crystallizer are disclosed. The crystallizer comprises a metal liner, a cooling system, an excitation winding, a splash ring and a cover gas ring. The metal liner is disposed at the center of crystallizer. A cavity cooling system is disposed out of the metal liner. The excitation winding is disposed at the lower part in the cooling water cavity. A splash ring is disposed at the upper edge of the crystallizer liner. A cover gas ring is disposed above the splash ring. The invented method comprises following steps: coating a thin layer of lubricant oil on the inner wall of the metal liner, starting the crystallizer cooling system; then starting the low frequency generation power source to supply low frequency alternating current to the excitation winding; inducing the magnesium alloy fluid into the shunting disk disposed in the center of the liner; opening the cover gas ring; starting the casting machine and adjusting the crystallizer liquid level to be stable after the magnesium alloy fluid fills the top of the dummy ingot head; enlarging the cooling water flow, opening and adjusting control valve for controlling the splash ring. The invented proves can improve the surface quality of the magnesium alloy ingot blank, reduce surface turning quantity thereof, and increase casting speed thereof.
Owner:NORTHEASTERN UNIV

Core-shell structured carbon-silicon carbide composite nano-fibers based on coaxial electrostatic spinning process and preparation method thereof

The invention relates to core-shell structured carbon-silicon carbide composite nano-fibers based on a coaxial electrostatic spinning process and a preparation method thereof. The preparation method comprises the following steps: (1) taking a polycarbosilane (PCS) solution and a polyacrylonitrile (PAN) solution as a shell-layer precursor and a core-layer precursor respectively; (2) carrying out electrostatic spinning on the shell/core precursor by using electrostatic spinning equipment with a coaxial needle so as to obtain precursor fibers with a core-shell structure; and (3) carrying out non-smelting treatment and high-temperature pyrolysis treatment on the precursor fibers to finally obtain C-SiC composite fibers with a core-shell structure. The invention provides the novel process method for preparing the core-shell structured composite fibers with carbon fiber cores covering ceramic-phase SiC shells, which have a controllable micro-structure, high efficiency and low cost; and the prepared composite fibers overcome the disadvantage that ceramic fibers are relatively fragile, and functional properties of high intensity and flexibility of the fiber and internal conduction and external insulation are realized.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Method for biologically treating wastewater by simultaneously desulfurizing, denitrifying and decoloring

The invention discloses a method for biologically treating wastewater by simultaneously desulfurizing, denitrifying and decoloring, and aims to provide the novel biological anaerobic method for biologically treating the wastewater by simultaneously desulfurizing, denitrifying and decoloring, which has the advantages of low energy consumption, high treatment efficiency, low operating cost, less residual sludge and no secondary pollution. The method comprises the following steps that: the wastewater firstly enters an up-flow anaerobic biological reactor (UASB) and is treated by the up-flow anaerobic biological reactor (UASB); sulfide in effluent is recovered; the effluent enters a primary anaerobic baffled reactor (ABR) and is treated; the effluent is subjected to microaeration to make a molar ratio of nitrate nitrogen to ammoniacal nitrogen in the effluent be (1-1.3):1; and the treated effluent enters a secondary anaerobic baffling plate reactor (ABR), is treated to reach the standard and then is discharged. The method can be used for industrially treating high-concentration sulfate, ammonia nitrogen, stubborn organic pollutants and industrial wastewater with high chromaticity.
Owner:GUANGDONG INST OF MICROORGANISM

Total management system and management method based on Internet of Things and cloud computing and for parking lot

The invention relates to a total management system and a management method based on Internet of Things and cloud computing and for a parking lot. A parking lot automatic control subsystem is in communication connection with a control center subsystem through a communication subsystem, the control center subsystem is in communication connection with an Internet cloud sever subsystem through the communication subsystem, the parking lot automatic control subsystem is used for automatically identifying a vehicle through an RFID (Radio Frequency Identification) radio frequency card reader, an entrance guard steering engine controls a system entrance guard steering engine to be lifted up and down, automatic charging is performed, parking lot stall information, charging condition information, parking lot temperature and humidity, and fog condition information are sent to the control center subsystem; the control center subsystem is used for transmitting the information and video data transmitted by a video monitoring system to the Internet cloud sever subsystem; the Internet cloud sever subsystem realizes real-time monitoring on each parking lot and data sharing of the parking lot; and a mobile phone terminal subsystem is capable of inquiring a distribution map of a parking lot in real time, automatically generating the distribution map of the parking lot, and generating an optimal parking route.
Owner:HARBIN ENG UNIV

Electrospinning direct-writing nozzle capable of controlling starting and stopping

The invention provides an electrospinning direct-writing nozzle capable of controlling starting and stopping, relating to an electrospinning direct-writing nozzle and providing an electrospinning direct-writing nozzle which can automatically controls starting and stopping, reduce the spraying opening voltage, organically combines the spraying and the direct-writing pattern characteristic and completes direct writing of micronano structures in complex patterns. The electrospinning direct-writing nozzle is provided with a hollow sleeve with a nozzle, an adjusting plug with threads, a coil, an armature, a return spring, a probe and an exhaust pipeline, wherein the front end of the hollow sleeve with the nozzle is provided with a spray orifice and an injection hole; the adjusting plug with the threads is arranged at the rear end of the hollow sleeve with the nozzle; the coil is sheathed at the outer side of the hollow sleeve with the nozzle; the armature is arranged in the hollow sleeve with the nozzle; the probe is fixedly connected with the armature; the front end of the probe is positioned in the spraying orifice at the front end of the hollow sleeve with the nozzle, and the rear end of the probe is fixedly connected with one end of the return spring; the other end of the return spring is fixedly connected with the inner end of the adjusting plug with the threads; the exhaust pipeline is arranged on the adjusting plug with the threads; and the inner end of the exhaust pipeline is communicated with the hollow sleeve with the nozzle, and the outer end of the exhaust pipeline is communicated with the outside.
Owner:XIAMEN UNIV

Meteorological disaster automatic monitoring and early warning system

The invention discloses a meteorological disaster automatic monitoring and early warning system and relates to the technical field of meteorological early warning. The system comprises a front end collection unit composed of an atmosphere pressure sensor, a radiation sensor, an illumination sensor, a soil water content sensor, an atmosphere humiture sensor, a wind velocity indicator, an anemoscope, a rain and snow sensor, a rainfall sensor, a soil temperature sensor, a fixed declinator and a GPS position indicator, an intermediate transmission unit and a network platform. The front end collection unit is connected with the intermediate transmission unit. The intermediate transmission unit is connected with the network platform. The front end collection unit is capable of realizing field monitored data automatic collection and active sending and is compatible with various kinds of sensors, and automatic monitoring stations distributed in different areas are respectively connected with the network platform through a wireless communication network. The meteorological disaster automatic monitoring and early warning system is convenient to operate, the monitored data is real and stable, the processing and analysis are high in speed, the field information can be grasped anytime and anywhere, reuse is available, the manpower cost is saved, and the compatibility is good.
Owner:上海禹胜信息科技有限公司

Compound conditioning and deep dewatering method of sludge

The invention provides a sludge deep dewatering method. The sludge deep dewatering method comprises the following steps: obtaining sludge containing a free radical generating substance; adding an activator to the sludge containing the free radical generating substance for activation, thereby obtaining the activated sludge; adding industrial byproduct gypsum to the activated sludge for mixing treatment, thereby forming conditioned sludge containing a new skeleton form substance; and performing dewatering treatment on the conditioned sludge. According to the sludge deep dewatering method, zero-valent iron or nano zero-valent iron is taken as the activator to react with the free radical generating substance to generate active free radicals, and therefore, the extracellular polymeric substance of the sludge can be effectively damaged and the filtering property of the sludge can be improved on one hand, and on the other hand, ions after the activation reaction is completed are capable of directly promoting the industrial byproduct gypsum to perform a hydration reaction, and the new substance morphology of the skeleton form can be controlled; the skeleton structure is capable of remarkably increasing the porosity of the sludge, and therefore, the deep dewatering of the sludge is realized.
Owner:UNIVERSTAR SCI & TECH SHENZHEN +1

Preparation method of coal-based magnetic activated carbon and coal-based magnetic activated carbon

The invention relates to a preparation method of coal-based magnetic activated carbon and the coal-based magnetic activated carbon. The preparation method of the coal-based magnetic activated carbon comprises the following steps of: placing deashing coal dust and dodecyl sodium sulfate into a ferric chloride solution, sufficiently mixing, and then standing for adsorption; then adding ammonia water and a sodium hydroxide solution or a potassium hydroxide solution, sufficiently stirring, and then standing for transforming ferric chloride into ferric hydroxide; filtering and drying solid-phase materials to obtain a mixture of deashing coal and the ferric hydroxide, i.e. a precursor of the coal-based magnetic activated carbon; sufficiently mixing the precursor with activating agents, i.e. potassium hydroxide or sodium hydroxide, adding distilled water to stir into paste, and warming for carbonization under the protection of nitrogen; and heating and activating under the protection of the nitrogen. The obtained coal-based magnetic activated carbon has difficult blockage of pores because a magnet exists in a state of Fe3C, thereby having higher saturation and magnetization intensity and larger specific surface area. The invention has the advantages of extensive source of coal raw materials, low cost, simple preparation process and easy separation and recovery of the coal-based magnetic activated carbon.
Owner:CHONGQING UNIV

Roadside parking space detection device and detecting method thereof

InactiveCN106340188AOvercome too much power consumptionOvercome the problem that its power consumption is 100 times that of the geomagnetic sensorIndication of parksing free spacesSignal onParking space
The present invention relates to a roadside parking space detection device and a detection method thereof. The roadside parking space detection device is characterized in that the device includes a geomagnetism sensor, a radar sensor, a parking space detection processor and a power source management module. The detection method includes the following steps that: the geomagnetism sensor detects geomagnetic field signals on a parking space and transmits geomagnetic field change waveforms to the parking space detection processor; the parking space detection processor judges whether the geomagnetic field change waveforms are ideal waveforms, if the geomagnetic field change waveforms are the ideal waveforms, the parking space detection processor determines a parking condition on the parking space according to a geomagnetic detection mechanism; if the geomagnetic field change waveforms are not the ideal waveforms, a radar detection mechanism is started; and the parking space detection processor determines the parking condition on the parking space according to the detection result of the radar detection mechanism. With the roadside parking space detection device and the detection method thereof of the invention, the organic combination, mutual support and mutual dependence function of the geomagnetism sensor and the radar sensor are realized, and the problem of the inaccuracy of geomagnetic parking space detection in extreme cases can be solved, and the problem of too much power consumption of the radar sensor can be also solved.
Owner:SHENZHEN PUZHILIANKE ROBOT TECH CO LTD

Modular sewage treatment system

The invention discloses a modular sewage treatment system which comprises a regulating tank, a primary sedimentation tank, an anaerobic tank, an oxygen-deficient tank, an aerobic tank, a secondary sedimentation tank, a filter tank, a disinfection well, a sludge tank and an air blower well. Modules are communicated with one another via pipelines, a sewage treatment working procedure can be independently completely carried out by each module, and the various modules work with one another, so that the integral modular sewage treatment system and an integral modular sewage treatment device can be formed. The modular sewage treatment system has the advantages that the modular sewage treatment system is high in technical integration level, compact in structure and small in occupied area, various treatment units are highly combined with one another, and the investment can be effectively reduced; the modular sewage treatment system is in a modular design, the various modules can be prefabricated in advance and can be quickly spliced in fields, accordingly, the design and construction periods can be shortened, technologies can be flexibly combined with one another, the modular sewage treatment system is wide in application range and high in impact load resistance and can effectively cope with change of the water quality of different types of raw water, sewage can be cooperatively treated by the diversified technologies including activated sludge processes and biological membrane processes, and nitrogen and phosphorus removal effects of the modular sewage treatment system can be improved; the modular sewage treatment system only comprises few electric facilities, is low in energy consumption and high in automation degree and can be operated under unattended conditions, and accordingly management burden can be relieved.
Owner:中化学朗正环保科技有限公司

Method for preparing metal/polyaniline/plastic composite film through electrochemical in-situ polymerization

The invention discloses a method for preparing a metal/polyaniline/plastic composite film through electrochemical in-situ polymerization. The method comprises the following steps of: 1) preparing a polyaniline/plastic conductive composite film, namely performing electrooxidation polymerization of polyaniline in an aniline-acid solution by taking a plastic microporous film as a base film to obtain the polyaniline/plastic conductive composite plastic film, wherein the electric conductivity of the polyaniline/plastic conductive composite plastic film is 1 to 59.5S.cm<-1>; and 2) preparing a polyaniline/plastic/metal conductive composite film, namely electrodepositing silver on the surface of the polyaniline/plastic conductive composite film to obtain the polyaniline/plastic/metal conductive plastic composite film, wherein the electric conductivity of the polyaniline/plastic/metal conductive plastic composite film is 10<2> to 10<4>S.cm<-1>. The conductive plastic composite film prepared by the method has high electric conductivity and thermal stability and excellent mechanical properties, is high in performance price ratio and light in mass, realizes the organic combination of conductive polymers and metal particles, overcomes the unworkability of the polyaniline, and expands the application range of the conductive polymers. The method is simple and easy; and the obtained composite film can be used as a photoelectronic device, and is used for various fields such as detection and sensing, and electromagnetic shielding.
Owner:CENT SOUTH UNIV
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