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111 results about "Technical feasibility" patented technology

Technical feasibility study This is one of the first studies that must be conducted after the project has been identified. In large engineering projects consulting agencies that have large staffs of engineers and technicians conduct technical studies dealing with the projects. In individual agricultural projects financed by local agricultural credit corporations, the technical staff composed of specialized agricultural engineers, irrigation and construction engineers, and other technicians are responsible for conducting such feasibility studies.The fields of the technical study can be determined as follows:-

Oil reservoir endogenous microorganism high-efficient activator and effect evaluation method thereof

InactiveCN102408887AComprehensive evaluation index systemReduce operating costsFluid removalDrilling compositionMicroorganismOil field
The invention relates to an oil reservoir endogenous microorganism high-efficient activator and an effect evaluation method thereof. The method comprises: the evaluation of activator components based on the economic and technical feasibility of the application of the activator; the evaluation of the activation effect of the activator based on the selective activation of oil reservoir endogenous microorganisms, the changes of biochemical indexes of oil and water samples, and the extent of the improvement of the crude oil recovery efficiency by physical simulation oil displacement experiments; the construction of detailed scoring rules of the activator and its effect with respect to the economic and technical feasibility, the selective activation of endogenous microorganisms, the biochemical indexes of oil and water samples, and physical simulation oil displacement; the construction of grade division methods of the activator and its effect based on the scoring conditions of each index. The evaluation method of the invention has the advantages of systemic and comprehensive evaluation indexes, low operation cost, and subsequent referential evaluation indexes, solves the current problems of the lack of an oil reservoir endogenous microorganism high-efficient activator and its standardized evaluation method, and provides an systemic and effective evaluation method for the smooth oil field application of the oil reservoir endogenous microorganism high-efficient activator.
Owner:NANKAI UNIV

High-pressure shearing deformation method and device for tubular materials

The invention discloses a high-pressure shearing deformation method and device for tubular materials. The high-pressure shearing deformation method comprises the following steps of: firstly: selecting a workpiece to be machined, wherein the workpiece is tubular; respectively bounding the inner wall and the outer wall of the workpiece by adopting bonding objects; then directly applying the axial pressure to the end part of the workpiece so that the elastic deformation or tiny plastic deformation occurs in the workpiece; accumulating the hydrostatic pressure up to 1 to 15 GPa in the workpiece; afterwards, supplying a torque to one bounding object which is in contact with the outer wall or the inner wall of the workpiece so as to lead the bounding object to rotate around a central shaft of the workpiece; meanwhile, fixing the other bounding object, wherein under the action of the circumferential frictional force between the bounding objects and the inner wall and the outer wall of the workpiece, the interior of the workpiece rotates along materials with different radial thicknesses at different angular speeds, thereby realizing the circumferential shearing deformation of the workpiece. The high-pressure shearing deformation method has high technical feasibility and has no specific requirements for operation; and required equipment is simple and obtainable. Meanwhile, the high-pressure shearing deformation method is a new plasticity processing method which is realized by depending on the traditional extrusion equipment; and therefore, the functions of the traditional extrusion equipment are expanded.
Owner:NANJING UNIV OF SCI & TECH

Physical layer architecture for terahertz wireless network

The invention discloses physical layer architecture for the terahertz wireless network. The architecture comprises a transmitting end and a receiving end. The transmitting end comprises a scrambler module, a framer module, a forward error correction (FEC) encoder module, a preamble module, a high-speed transceiver module, an on-off keying (OOK) modulation module and a terahertz oscillator; and the reception end comprises a reception processing module corresponding to the transmitting end, as well as a direct detector, a high-speed transceiver and CDR module, a frame synchronizer module, an FEC decoder module, a de-framer module and a descrambler module. The physical layer architecture can be used to directly process bit data flow, complex digital signal processing is avoided, the architecture can be applied to single-channel terahertz high-speed wireless network as high as 100Gbps magnitude, the structure is simpler, convenience is provided for design of special processors, and the power consumption and size are easy to control; and the physical layer architecture can be completely parallel in technical feasibility, can be realized on the basis of a present horizontal FPGA device, and requirement for hardware performance is lower than that of present architecture.
Owner:INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS

Method for selective hydrogenation of acetylene to ethylene

The invention relates to a method for selective hydrogenation of acetylene to ethylene at normal pressure. A catalyst PdxM/SiO2 (0<=x<=0.05) is obtained by taking a metal cluster PdxMy as a precursorand silicon dioxide as a carrier and carrying out high-temperature roasting. Gas-phase hydrogenation is carried out on acetylene-containing ethylene mixed gas under a normal pressure condition, and the acetylene is subjected to selective hydrogenation to be reduced to ethylene. The catalyst is the PdxM/SiO2 type catalyst, wherein the M is selected from Ag, Au, Cu and Ni, and the molar ratio of thePd to the M is 0-20; and a metal cluster with ligand protection is protected by silicon dioxide and then subjected to high-temperature roasting to remove the ligand so as to prepare the catalyst. ThePdxM/SiO2 catalyst is used for the selective hydrogenation of acetylene at normal pressure, and acetylene reduction can be carried out under a relatively mild condition, so that a hydrocarbon with ethylene as the main product is obtained, and the selectivity of the catalyst is 85-99%. The method provided by the invention has technical feasibility, the catalyst material has a long service life, the effect is notable when the catalyst is used in the selective hydrogenation treatment of the acetylene to the ethylene, and the method has good economic and environmental benefits.
Owner:DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Remote sensing monitoring method of waterlogging of winter wheat, based on fusion of satellite-ground multi-source rainfall data

ActiveCN108764688AEffective space monitoringQuality improvementResourcesData setQuantitative model
The invention discloses a remote sensing monitoring method of waterlogging of winter wheat, based on fusion of satellite-ground multi-source rainfall data. The remote sensing monitoring method includes the steps: collecting and arranging a ground pluviometer to observe a rainfall data set, a satellite inversion rainfall data set, an NDVI data set, DEM data, phenology information of crops, statistical data of cultivated area of winter wheat, and field sampling data of winter wheat planting region, and preprocessing and filtering the NDVI data; extracting the spatial information of the cultivated area of winter wheat by means of the NDVI time sequence data after processing; constructing a quantitative model of rainfall information fusion by means of a geographic weighted regression Kriging method, and obtaining a rainfall data set; and by means of the rainfall data set and the extracted cultivated area of winter wheat, combining with the waterlogging disaster index, monitoring the waterlogging damage area of winter wheat. The remote sensing monitoring method of waterlogging of winter wheat, based on fusion of satellite-ground multi-source rainfall data is an effective method of monitoring the waterlogging space of crops in a large range by means of the data, and has stable technical practicability.
Owner:ZHEJIANG UNIV

Target detection method and device for shellfish images

The embodiment of the invention provides a target detection method and device for shellfish images. The target detection method comprises the following steps: acquiring a to-be-detected target shellfish image; detecting the target shellfish image based on the trained shellfish image detection model to obtain a target detection result of the target shellfish image; , wherein the trained shellfish image detection model is constructed by replacing a VGG16 network in an SSD framework with a MobileNet network and is obtained by training sample shellfish image marked with shellfish species; the shellfish local feature extraction method based on the MobileNet network is characterized in that the shellfish local feature extraction method based on the MobileNet network is adopted, and is obtained by training shellfish images marked with shellfish types, and a residual attention mechanism is arranged between the MobileNet network and the prediction network, so that the local feature acquisition capability is improved. According to the embodiment of the invention, an SSD target detection basic framework is adopted; a shellfish image detection model is constructed by combining a MobileNet lightweight network, so that shellfish images are detected, shellfish types in the shellfish images can be quickly identified, compared with an existing shellfish detection method, the shellfish image detection method has higher detection efficiency and accuracy, and technical feasibility is provided for shellfish image detection deployed by a mobile terminal.
Owner:CHINA AGRI UNIV

Suction force controllable unsaturated soil static triaxial apparatus based on internal body variable precision measurement

ActiveCN104749042APrecise control of suctionProcess of omitting saturationMaterial strength using tensile/compressive forcesAutomatic controlSuction stress
The invention discloses a suction force controllable unsaturated soil static triaxial apparatus based on internal body variable precision measurement. The static triaxial apparatus comprises a main machine part, a water circulating and pressure-stabilizing thrusting water source part and a data acquisition and processing part, wherein the water circulating and pressure-stabilizing thrusting water source part is mainly composed of two independent waterway parts formed by two thrusting pressure-stabilizing water sources, and the two independent waterway parts comprise a confining pressure control waterway for providing stable pressure for a confining pressure chamber and a monitoring waterway for precision measurement of internal body variables and suction force. The static triaxial apparatus still adopts the axis-translation technology without adopting a ceramic plate used by the traditional unsaturated instrument necessarily, and can realize precision measurement of the unsaturated soil body variables and control of the suction force in a testing process, therefore, a process that the ceramic plate is saturated is removed, the lagging problem of water drainage of the ceramic plate is solved, and the suction force in the unsaturated soil can be accurately controlled; according to the suction controllable unsaturated soil static triaxial apparatus, automatic control and measurement can be realized in the whole process, the requirements for reasonable experiment principle, high measurement precision and technical feasibility can be met, and the testing efficiency can be greatly improved.
Owner:SOUTHWEST JIAOTONG UNIV

Leech fry, snail and aquatic plant commensalism intermediate breeding method

The invention discloses a leech fry, snail and aquatic plant commensalism intermediate breeding method and belongs to the technical field of aquaculture. According to the method, an ecotype leech fry commensalism breeding system is built, small snails and / or zooplanktons and / or nutrients are adopted as fodder of young leeches, the breeding system is stabilized through the purification capacity of aquatic plants, deterioration of water quality is avoided, the young leeches obtain rich nutrition through composite collocation and application of small snails, zooplanktons and nutrients, leech fries are good in activity, rapid in growth and low in casualty rate, the situation that as young leeches live in groups and climb to be groups seriously, serious death is caused when the young leeches can not obtain fodder is avoided, the rate of survival is improved in the leech fry breeding stage, the method is simple in process, technical feasibility is achieved, breeding enterprises and farmers can use the method conveniently, the technical advantages of maintaining good and stable breeding environment, reducing the risks of leech fry death and the like are achieved, and the method has wide application prospects in the field of national leech breeding.
Owner:上海能淦水产专业合作社

Multi-layer stacked tight gas reservoir development method and well type selection method

ActiveCN110929971ARealize the quantitative evaluation systemIncrease productionFluid removalResourcesReservoir typeThermodynamics
The invention discloses a multi-layer stacked tight sandstone gas reservoir development technology. The multi-layer stacked tight gas reservoir development method comprises the following steps that according to the reservoir sand thickness and distribution characteristics, multi-layer stacked tight gas reservoir type division is conducted; gas reservoir production dynamic analysis is carried out,dynamic indexes of a gas reservoir vertical well and a horizontal well are compared, and dynamic differences are defined; dynamic difference reason analysis is carried out, and main control factors influencing the horizontal well productivity are studied; the feasibility of a multi-layer commingled production technology is analyzed, and a multi-layer commingled production boundary of the verticalwell is defined; conclusions of differential development are formed. According to the development method, a favorable deployment area, a reasonable deployment mode and a reasonable production system of the horizontal well and the vertical well can be defined, a targeted development technical countermeasure is formed, a quantitative evaluation system for screening parameters of the horizontal welland the vertical well is achieved, and data support is provided for improving the yield and the recovery ratio of a low-permeability tight gas reservoir.
Owner:CHINA PETROLEUM & CHEM CORP +1

Method and system for realizing one-ladle-system rotation and production buffer of hot metal ladles

The invention discloses a method and a system for realizing rotation and production buffer of hot metal ladles. The system comprises two sets of hot metal ladle rotary table devices and a crane arranged above hot metal ladle rotary tables, wherein each set of hot metal ladle rotary table device comprises a hot metal ladle rotary table, a rotary table driving device arranged below the corresponding hot metal ladle rotary table, a hot metal ladle seat frame arranged on the corresponding rotary table and a rotary table positioning device; the crane hoists the hot metal ladles to the hot metal ladle rotary tables; the hot metal ladle rotary tables rotate to target positions for positioning; then, the crane hoists the hot metal ladles to the hot metal ladle flooring seat frames for target operation; the rotary table rotates to a starting position. According to the method and the system disclosed by the invention, the process requirement of steel making on the direction of a ladle opening of the hot metal ladle is met, the problem about the direction of the ladle opening existing in a one-ladle-system hot metal direct supply process is solved, the technical feasibility is provided for widespread application of one ladle system, and higher economic benefit and social benefit are obtained.
Owner:HUATIAN ENG & TECH CORP MCC

Method for handling high-low strides at adjacent parts of reverse building foundation pit and adjacent foundation pit

The invention relates to a method for handling high-low strides at adjacent parts of a reverse building foundation pit and an adjacent foundation pit. The method comprises the steps that firstly, pouring piles are constructed and enclosed, and a top ring beam is manufactured; secondly, reverse building foundation pit structure top plate construction is carried out, a top plate and the top ring beam are connected through connecting beams, and brackets formed by the heightened top ring beam and variable cross-section joint sections are manufactured at the positions, having the height difference, of the adjacent edges of the top plate of the reverse building foundation pit and the adjacent foundation pit; thirdly, after the brackets and supporting beam connectors of the adjacent foundation pit are completed, the next procedure of structure construction is carried out on the reverse building foundation pit, after the bottom plate construction of the reverse building foundation pit is completed, excavation of the adjacent foundation pit and the next procedure of construction are carried out. By means of the method, the situation of structure force transmission discontinuousness caused by different elevations in adjacent reverse building foundation pits can be well handled, the working condition limitation that the adjacent foundation pit can be excavated only after backfill of the reverse building foundation pit is completed can also be avoided, the duration of a project is greatly shortened, and the technical feasibility, the working efficiency and the implementation effect of the method are much better than those of a traditional manner.
Owner:SHANGHAI FOUND ENG GRP

Mountain talus landslide prediction method and device

The invention relates to a mountain talus landslide prediction method and device. The prediction method starts with the dynamic analysis of the formation condition, the deformation state and the influence degree of an inducing factor of landslide, integrally determines the development degree and the dangerousness of the landslide from a macroscopic view, analyzes the development tendency of the landslide, establishes a landslide prediction model according to the displacement data of the landslide on the basis of the development tendency, carries out landslide displacement diachronic analysis and judges landslide occurrence time. The prediction device comprises a data acquisition network unit, a GPS (Global Positioning System) network transmission unit and a wireless serial port data sharing network unit, wherein the data acquisition network unit 1 consists of a terminal acquisition node, a routing node and a coordination node. The prediction method of the invention can better determine the development state of the landslide, analyze the qualitative and quantitative possibility that the landslide generates severe sliding, and make accurate discrimination on the landslides under different development stages. The prediction device has the advantages of being simple in structure, convenient in layout and use, high in technical feasibility, long in endurance time and low in energy consumption.
Owner:LIAONING TECHNICAL UNIVERSITY
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