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46results about How to "Reasonably constructed" patented technology

Method used for continuously inquiring hiding user position based on mobile terminal in LBS (location based service)

InactiveCN102665207AProtect location track informationSolve the problem of motion track protectionSecurity arrangementAttacker modelInformation transmission
The invention relates to a method used for continuously inquiring hiding user position based on a mobile terminal in LBS (Location Based Service). The privacy protective result of the conventional method is not good. According to the method provided by the invention based on a virtual path program, phoniness inquiry data is carried in the sent reality inquiry data to conceal the track privacy of users. The method provided by the invention comprises the following steps of: firstly adopting a path planning strategy to select different path arrangement manners; secondly, selecting a transmit mode of phoniness information according to the inquiry information transmission mode; and finally inquiring information transmitting time and planning a strategy to solve the problem of space-time rationality of inquiry information, thereby better protecting the track privacy of users. The method provided by the invention uses a manner that the transmission reality inquiry is the adulteration phoniness inquiry, the reality track of the users is covered through constructing a phoniness path, and thus, the position track information of the users is protected; and the space-time rationality data transmission strategy is provided according to the possible attacker model, the phoniness path is more reasonably constructed, and the reality track is protected.
Owner:HANGZHOU DIANZI UNIV

Optimization design method of impellor for cavitation-erosion-resistant centrifugal fan

The invention discloses an optimization design method of an impellor for a cavitation-erosion-resistant centrifugal fan. The method is characterized by acquiring a front cover plate two-dimensional airfoil epiphyseal line, an intermediate two-dimensional airfoil epiphyseal line and a rear cover plate two-dimensional airfoil epiphyseal line on a circumferential XY plane of an original impellor; constructing impellor optimization parameters after parameterization, and constructing an epiphyseal line after variation; inputting the front cover plate two-dimensional airfoil epiphyseal line, the intermediate two-dimensional airfoil epiphyseal line and the rear cover plate two-dimensional airfoil epiphyseal line which are acquired through three dimension variation into a geometric modeling software, thus an impellor three-dimensional shape after variation is formed; measuring and calculating water conservation performances on the basis of single channel meshing; taking a non-dominated sorting genetic algorithm (NSGA-II) of a multi-objective genetic algorithm as an optimization tool, and carrying out multi objective optimization design on the impellor parameters of the centrifugal fan; and selecting a group of impellor parameters with optimal water conservation performance as the impellor parameter after optimization. The method provided by the invention has scientific construction ofoptimization parameters, the optimization process has high automatic degree, the impellor and blade efficiency of the centrifugal pump is high after optimization, and the cavitation erosion performance is outstanding.
Owner:XIAN UNIV OF TECH

Method for performing joint inversion on P-wave and S-wave velocity ratio of reservoir by utilizing P-wave and converted wave data

The invention provides a method for performing joint inversion on the P-wave and S-wave velocity ratio of a reservoir by utilizing P-wave and converted wave data. According to the method, an inversion target function is constructed by adopting a concept that a gamma change rate acquired from gather seismic reflection information and a gamma change rate acquired from travel time information are infinitely approximate, and key parameters of the target function comprise a P-wave intercept, a P-wave gradient, a converted wave gradient and the P-wave and S-wave velocity ratio calculated according to the travel time information, and can be acquired from the actually input amplitude versus offset (AVO) information of a P-wave and converted wave gather and the travel time information, so that the target function can be rationally constructed, and a finally inverted P-wave and S-wave velocity ratio elastic parameter is accurate.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Method for judging whether continuous phase changing of direct-current system fails on basis of short-circuit ratio dynamic tracking

ActiveCN103887810AAchieving Single Fault SequencingQuick buildElectric power transfer ac networkTransient statePower grid
The invention provides a method for judging whether continuous phase changing of a direct-current system fails on basis of short-circuit ratio dynamic tracking. The method includes the following steps of calculating the ESCR and the MSCR i of an alternating-current system under the condition that the alternating-current system operates normally, calculating the ESCR and the MSCR i of the alternating-current system under the condition that line faults occur and power is cut off, sequencing the line faults, combining the poorest interlocking fault sets, calculating the ESCR 1 and MSCR 1 of the alternating-current system on the condition of interlocking faults, and judging whether phase changing fails. By means of the method, feature analysis is carried out on transient voltage instability accidents which probably exist in existing and planned alternating-current and direct-current hybrid power grids, fault screening and sequencing can be effectively carried out according to hazard degrees of alternating-current faults to stable operation of the direct-current system, by combination of the current transfer situation after the faults, the interlocking fault sets are reasonably built, and failures of continuous phase changing of the direct-current system and received-end power grid voltage instability risks after the faults can be quickly evaluated.
Owner:STATE GRID CORP OF CHINA +2

Local DNA hairpin strand displacement reaction-based XOR gate and complementing circuit

The invention belongs to the technical field of molecular circuit-based design and particularly relates to a DNA strand self-assembly principle-based and local DNA hairpin strand displacement reaction-based XOR gate and a complementing circuit constructed by utilizing the same. The XOR gate is constructed by adopting double-rail logic and comprises a single-stranded DNA input, a fuel hairpin and a DNA hairpin fixed to a fold paper substrate. The complementing circuit belongs to a three binary input complementing circuit and is composed of two parallel XOR gates. According to the provided XOR gate, the occurrence probability of wrong strand displacement reactions is relatively low and the DNA strand displacement reaction efficiency is improved. According to the provided complementing circuit, parallel computing can be realized without mutual interference; and a simulation result for Visual DSD of the complementing circuit shows that the complementing circuit is reasonable to construct, has good performance and has the advantages of high construction speed, high precision, high expandability and the like in construction of a large complex molecular system.
Owner:ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY

Automatic performance test system and method

This invention relates to the field of automatic test, specifically relates to an automatic performance test system and method. The system is applied to the automatic test of the performance of a client by simulating a loading condition. The test system comprises a requirement management module for managing and sending a performance requirement, an automatic control module for receiving the performance requirement, deploying a test environment and generating a test task according to the performance requirement, a test control module for retrieving the test task and simulating the loading condition and the test process according to the test task, and a resource management module, wherein the automatic control module starts the resource management module; the resource management module performs the automatic performance test of the client in the test environment according to the loading condition and the test process. The method comprises the following steps: generating and sending the performance requirement; receiving the performance requirement, deploying the test environment and generating the test task according to the performance requirement; retrieving the test task, and simulating the loading condition and the test process according to the test task; and performing the automatic performance test of the client in the test environment according to the loading condition and the test process.
Owner:SHANGHAI HANDPAL INFORMATION TECH SERVICE +1

Three-dimension graphic data compression processing method

The invention discloses a method of three-dimension image data compressing and processing. Regular quadrilateral surfaces are used instead of triangle surfaces, and the steps of re-gridding, subdivided wavelet construction, zero-tree compressing and entropy coding are used for compressing the image data, so a quadrilateral surface based geometric image compressing method is provided. The invention can better adapt and fulfill the requirements of quick development of the three-dimension displaying data collecting technologies and application of the technologies. The invention can help achieving a better compressing effect for complex models, the models can be gradually transmitted, and the distortion ratio is small, controllable and adjustable. Prior available storing and transmitting capacities can be better used to reduce limits and influences of prior hardware and network facilities to three-dimension display technologies.
Owner:广东中大讯通软件科技有限公司 +1

Shaping method for kiwi-fruit young tree cultivation

The invention discloses a shaping method for kiwi-fruit young tree cultivation. The shaping method is characterized by including the steps that in the young-tree growth process, a trunk, main vines and lateral vines are clipped and shaped, tree vigor is cultivated, and a tree shape with one trunk, two main wines and eight lateral vines is finally formed. Compared with the prior art, the shaping method has the advantages that a task object is clear for young tree cultivation shaping, a standardized operation standard is provided for young tree cultivation shaping, and standardized garden establishment for large-scale cultivation can be achieved; the tree vigor and the tree shape are succinct and regular, field operation and management are facilitated, and the production cost is reduced; the tree vigor and the tree shape are reasonably established, functional division is clear, the space use rate is high, balance between nutrition growth and reproductive growth of a plant is guaranteed, a guarantee is provided for the high quality, the high yield and the stable yield, and the quality of fruits is improved; branches and tendrils are vigorous in growth, the garden sealing rate can be 100%, damage of wind scars and damage of sun burning are reduced, the optimal fruit rate is increased, the commodity fruit rate can be 95% or above, bagging treatment can be omitted, and the condition is created for cost reduction and income increasing for fruit grows.
Owner:四川华朴现代农业股份有限公司

Data model generation method and device, data warehouse generation method and device and electronic equipment

Embodiments of the invention provide a data model generation method and device, a data warehouse generation method and device and electronic equipment. The data warehouse generation method comprises the steps of obtaining original data corresponding to a database; identifying the original data to obtain the business meaning of the business pointed by the original data; determining a data warehousetemplate matched with the identified business meaning, wherein the data warehouse template comprises a process method used for predefined construction of a data warehouse, and each data warehouse template uniquely belongs to one business meaning; and performing process processing on the original data based on the selected data warehouse template to form a data warehouse corresponding to the database. According to the scheme of the embodiment of the invention, the data warehouse meeting user management requirements can be quickly generated.
Owner:ALIBABA GRP HLDG LTD

Method and apparatus for constructing spatio-temporal neural network as well as method and apparatus for carrying out prediction by using spatio-temporal neural network

The present disclosure relates to methods and devices for building spatio-temporal neural networks and making predictions using them. According to an exemplary embodiment of the present disclosure, the method for constructing a spatio-temporal neural network may include: clustering a spatio-temporal sequence data set to divide the spatio-temporal sequence data set into a plurality of sub-regions in a spatial region; determining the the spatio-temporal correlation of each sub-area in the plurality of sub-areas; and constructing the spatio-temporal neural network based on the spatio-temporal correlation of each sub-area. According to the present disclosure, a heterogeneous spatiotemporal neural network is constructed by considering the heterogeneity of spatiotemporal sequence data. Using this method, the spatiotemporal model can be constructed more reasonably, and can improve the prediction accuracy of spatiotemporal sequence data while improving the fitting performance of training data.
Owner:NEC CORP

Plant community and construction method thereof

InactiveCN107509500AGive full play to the rehabilitation functionReasonably constructedForestryHorticulturePlant communityQuantitative determination
The invention provides a plant community and a construction method thereof. A coenology investigation is performed on plant community samples, and quantitative determination and analysis evaluation are performed on sample air purification ability, sterilization and bacteriostatic ability, cooling and humidifying capacity, oxygen releasing and carbon sequestration ability and the like, the plant community which has optimal recovery efficacy is used as a construction basis, and local climatic plant landscape characteristics are combined, so that the plant community model which is more reasonable and has distinctive landscape characteristics is constructed. The plant community has relatively-high practicability and pertinence, and can be widely applied to outdoor environments of places such as hospitals, geracomiums, sanatoriums, parks and residential districts; and plant landscaping functions are considered, at the same time plant recovery functions are fully played, and the plant community helps to improve a physical and psychological health level of people.
Owner:深圳市北林苑景观及建筑规划设计院有限公司

Mixed flora and purpose thereof, microbial electrogenesis system containing mixed flora, and microbial fuel cell

The invention relates to the field of microbial power generation, in particular to a mixed flora and a purpose thereof, a microbial electrogenesis system containing the mixed flora, and a microbial fuel cell. Through construction of an engineered mixed flora, the characteristic of definite division of labor is realized; zymophyte 1 provides carrier riboflavin of electron transfer for the system; and zymophyte 2 converts most common cheap glucose into a small molecule acid and provides the small molecule acid for electrochemically active microorganisms, so that the spectrum of carbon sources of the electrochemically active microorganisms is expanded. According to the mixed flora and the purpose thereof, the microbial electrogenesis system containing the mixed flora and the microbial fuel cell, two zymophytes with different purposes are constructed by performing methods, such as genetic engineering alteration, on type strains of escherichia coli or bacillus subtilis-protokaryotic gram negative bacteria and gram-positive bacteria; and therefore, the spectrum of carbon sources of the microbial fuel cell is expanded and the electron transfer efficiency of the electrochemically active microorganisms is enhanced. A stable, reasonable and efficient functional mixed flora compound electrogenesis system is constructed from three important angles of a material flow, an energy flow and an information flow.
Owner:TIANJIN UNIV

Service cluster constructing method based on semantic Web

The invention discloses a service cluster constructing method based on a semantic Web. The service cluster constructing method comprises the following steps of S101 constructing a service space based on semantics, S102 building a mapping relation of a Web service and the service space, S103 constructing service clusters and a dynamic library of the service clusters and S104 describing the organization structures of the service clusters by a logic Petri net. According to the service clusters generated by the service cluster constructing method, only n concepts need to be quantified, the number of inquiring a body tree is n, and the time complexity of generating of the service clusters is greatly improved. According to the service cluster constructing method, the type of service ports and service quality are clarified through semantic concept blending, and the construction of the service clusters is reasonable. The service clusters are generated in the service space, the service clusters orienting the requirement of a user are matched, calculated and converted into coordinate inquiring, the more of the constructing basis of the service clusters is, the higher of the constructing precision of the service clusters is, the time complexity of the system for matching the service clusters according to the user need is small, and the limitation of a common service clustering method is solved.
Owner:SHANDONG UNIV OF SCI & TECH

Constructing method for subacute hyperuricemia renal damage mouse model

The invention discloses a constructing method for a subacute hyperuricemia renal damage mouse model. The method comprises the following steps that yeast cream and oteracil potassium are taken as a molding agent, a molding experiment is constantly carried out on an experiment mouse for multiple days, a subacute hyperuricemia renal damage mouse model is acquired, wherein during the molding experiment process, the yeast cream is given to the experiment mouse every day, and after the yeast cream is given to the experiment mouse in the last day of the molding experiment, the oteracil potassium is given to the experiment mouse; the weight, serum uric acid level, renal function change and renal pathology change of the experiment mouse are observed, and damage of the molding agent to the experiment mouse is analyzed. According to the constructing method, the mouse is taken as a model animal, the yeast cream in which a uric acid precusor substance is added for a long term is adopted, the oteracil potassium as a uricase inhibitor is taken as the molding agent and is used, and the subacute hyperuricemia renal damage mouse model with stable effect is in accordance with clinical features and issuccessfully constructed.
Owner:WUHAN POLYTECHNIC UNIVERSITY

Movable roof device

The invention relates to a movable roof device which is characterized by comprising a left beam body, a right beam body, an upper layer top plate, a lower layer top plate and a drive mechanism, wherein the upper layer top plate and the lower layer top plate are installed between the left beam body and the right beam body respectively according to structural layout of an upper layer and a lower layer; two side edges of the upper layer top plate are in a sliding connection with the left beam body and the right beam body respectively; two side edges of the lower layer top plate are in a sliding connection with the left beam body and the right beam body respectively; the drive mechanism is arranged between the left beam body and the right beam body; and the drive mechanism is in a transmission connection with the upper layer top plate and the lower layer top plate, so that the upper layer top plate and the lower layer top plate can be driven to be unfolded or overlap together. The movable roof device has the advantages that the structure is simple; opening and closing are flexible; use is convenient; space occupation is avoided during the opening and closing; and a user can flexibly choose an orientation for the opening and closing according to demands.
Owner:GUANGDONG DEBOX CONSTR TECH CO LTD

Garbage transfer station site selection evaluation method and system based on artificial intelligence and CIM

The invention relates to the technical field, in particular to a garbage transfer station site selection evaluation method and system based on artificial intelligence and CIM. The method comprises the steps of obtaining garbage transfer station information through a CIM model, and obtaining a garbage transportation terminal point and a garbage generation area; taking the sum of the distances from the candidate garbage transfer station to the garbage transportation terminal point and the garbage generation area as a transportation index; setting a service neighborhood with the position of the garbage transfer station as an original point, adjusting the size of the service neighborhood according to the garbage yield in the service neighborhood, and obtaining the service neighborhood intersection area between the candidate garbage transfer station and the existing garbage transfer station; obtaining negative influence indexes of the scale and the human traffic of the corresponding candidate waste transfer stations through the odor levels of the existing waste transfer stations; and according to the service neighborhood intersection area, the transportation index and the negative impact index, obtaining the suitability of the candidate garbage transfer station position. According to the invention, the influence of multiple aspects on the site selection of the candidate garbage transfer stations is considered, so that the site selection is more scientific and efficient.
Owner:深圳市云智评信息技术有限公司

Method for constructing hydraulic fracturing fracture space seam net by utilizing microseism event points

The invention provides a method for constructing a hydraulic fracturing fracture space seam net by utilizing microseism event points. The method comprises the following steps of 1, carrying out regional stress field research by utilizing a three-dimensional seismic fine structure interpretation result of a target layer and combining regional structure evolution of a local region; 2, describing natural fracture distribution of the target layer by utilizing curvature analysis, coherence analysis and azimuth anisotropy analysis methods; and 3, in combination with regional stress field characteristics and the natural fracture distribution, constructing a hydraulic fracturing fracture space seam net by utilizing a time sequence and a space distribution position of the microseism event points. According to the method, when the microseism event points are used for constructing the hydraulic fracturing fracture space seam net, the regional stress field and the natural fracture distribution areconsidered, the time sequence and the space distribution position of the microseism event points in a fracturing construction process are also considered, seam net interpretation is more reasonable,and fracturing effect evaluation is more scientific.
Owner:CHINA PETROLEUM & CHEM CORP +1

Payment data processing system based on response information

The invention relates to a payment data processing system based on response information, and the system comprises a receiving module which is used for receiving payment request information from a first party, the receiving module comprises a receiving unit and a sending unit, the receiving unit is used for receiving the payment request information, and the receiving unit is connected with a central control module; the sending unit is connected with the central control module, the extraction module is connected with the receiving module, and the central control module is used for constructing response information according to information in the receiving module and information extracted by the extraction module; and the broadcasting module is used for broadcasting the response information and completing processing of payment data of the first party and the second party. The central control unit constructs the response information based on the information obtained by the receiving module and the extraction module, and broadcasts the response information, so that feedback information of two transaction parties, namely the first party and the second party, is realized, the payment information processing process is further completed, and the information exchange of the two transaction parties is improved.
Owner:广州汇图计算机信息技术有限公司

Wireless rotary testing apparatus comprising power transmission unit

A wireless rotary testing apparatus comprising a power transmission unit according to the present invention comprises: a rotating unit which has a testing part having a display panel mounted thereon, and comprises a plurality of index jigs disposed along the periphery and a pattern generator controlling such that a test pattern is displayed on the display panel mounted on the testing part, and in which, since rotation is possible about a central point, the testing part performs heterogeneous tests on the display panel in a preset rotation position; a driving unit which provides a rotational driving force to the rotating unit; a power transmission unit comprising a base module, which is fixed in a predetermined position on the rotating unit, rotates in concert with the rotation of the rotating unit, and receives the supply of external power, and a remote module which corresponds to the base module in a predetermined position in the rotation trajectory of the base module and receives the transmission of power from the base module; and a battery unit for storing the power transmitted to the remote module.
Owner:ANI CORP LTD

Scenic spot self-service touring system and method

The invention discloses a scenic spot self-service touring system and method, the system comprises at least one base station, a control platform and a positioning unit, the base station broadcasts tomobile terminals of tourists, the mobile terminals access the base station through WIFI, the base station sends user information and first signal intensity of the mobile terminals to the control platform, and the control platform sends the first signal intensity to the positioning unit. The control platform pushes scenic spot information to the mobile terminal and sends user information and the first signal intensity to the positioning unit, and the positioning unit judges the position information of the mobile terminal corresponding to the first signal intensity; and whether the passenger flow volume in a protection area of a scenic spot exceeds a threshold value or not is judged based on the position information of all the mobile terminals, and if so, an alarm signal is sent. According to the invention, when scenic spot information is pushed to tourists, whether tourists gather in the protection area in the scenic spot which is mainly protected can be mastered, so that potential safety hazards in a tourism process are reduced, better management of scenic spots is facilitated, and key protection scenic spots such as ancient buildings, cable bridges and the like are effectively protected.
Owner:成都中科大旗软件股份有限公司

Game development system of game level performance state based on big data

The invention relates to a game development system for game level performance states based on big data, and the system comprises a receiving module which is used for receiving login information of a user and obtaining age information of the user; an experience module used for distributing experience content in the experience module to the user according to the age information; a construction module used for constructing the game content of the game level according to the actual performance of the user in the experience content in the experience module; a storage module which store game resources used for constructing the game content; and a processing module used for adjusting the calling sequence of the game resources in the construction module according to the performance of the user in the experience module. According to the technical scheme, the life cycle of the user is divided into four stages through the age limit, and the contents of the experience modules corresponding to different age groups are different, so that the levels of response ability, intelligence quotient development and the like of the users of different age groups are matched with the experience contents, the immersive experience of the game is increased, the viscosity of the users is improved, and the user experience is enhanced.
Owner:GUANGZHOU YINHAN TECH CO LTD

Meter reading method capable of automatically adjusting meter reading path

ActiveCN105517092AGuarantee the success rate of meter readingReduce complexityWireless communicationArray data structureComputer science
The invention discloses a meter reading method capable of automatically adjusting a meter reading path. The method comprises the steps of according to node RSSI values in a network, grading distances among nodes and forming a directed connected graph; using a concentrator as a primary source node and then generating a meter reading path by a graph-theoretical algorithm, and storing the nodes without the path into a first array; reading a meter based on the generated path, storing the nodes through which the meter can be successfully read into a second array and generating a tree, and storing the nodes through which the meter cannot be successfully read into the first array; sequentially using the nodes in the first array as the new source nodes to compute the distance from the new source node to each node in the second array; using the nodes as parent nodes, generating a meter reading path by the graph-theoretical algorithm and reading the meter, storing the nodes through which the meter can be successfully read into a second array, and storing the nodes through which the meter cannot be successfully read into the first array, repeating the above steps until the first array is empty or the nodes in the first array cannot reach all neighbor nodes. According to the meter reading method provided by the invention, the meter reading path can be automatically adjusted, and the success rate of meter reading is high.
Owner:ZHUHAI ZHONGHUI MICROELECTRONICS

Multi-agent collaborative crowd evacuation simulation method and device based on case study

ActiveCN107480821BConform to decisionAvoid giving upForecastingResourcesInformation repositoryAlgorithm
The invention discloses an instance-based learning multi-Agent cooperation crowd evacuation simulation method and device. Sufficient path information samples are acquired through real videos and simulation, and original path information is extracted. Scene information is extracted according to the scene, and region segmentation is performed on the scene information so as to construct a scene information base. The knowledge path is segmented in a way of being corresponding to the scene region segmentation situation, and an original local path information base is constructed. Pedestrians are matched with the scene information database, the groups are divided according to the similarity and each group is guided by the guide Agent. The guide Agent is matched with the local path information base, and an approximation function is established and the local path is ensured to be optimal. Scene local path information exchange is realized by using the information interaction cooperation function in the multi-Agent system. The isomorphic instance is constructed by using interaction information through analogical learning and path selection is optimized. The path information drives the guide Agent, and the low-level motion of the Agent of the same group is driven by the social force model until all the pedestrians in the scene are evacuated to the safe location and the process is ended.
Owner:SHANDONG NORMAL UNIV

Automated performance testing system and method

This invention relates to the field of automatic test, specifically relates to an automatic performance test system and method. The system is applied to the automatic test of the performance of a client by simulating a loading condition. The test system comprises a requirement management module for managing and sending a performance requirement, an automatic control module for receiving the performance requirement, deploying a test environment and generating a test task according to the performance requirement, a test control module for retrieving the test task and simulating the loading condition and the test process according to the test task, and a resource management module, wherein the automatic control module starts the resource management module; the resource management module performs the automatic performance test of the client in the test environment according to the loading condition and the test process. The method comprises the following steps: generating and sending the performance requirement; receiving the performance requirement, deploying the test environment and generating the test task according to the performance requirement; retrieving the test task, and simulating the loading condition and the test process according to the test task; and performing the automatic performance test of the client in the test environment according to the loading condition and the test process.
Owner:SHANGHAI HANDPAL INFORMATION TECH SERVICE +1

A kind of shaping method for kiwifruit sapling cultivation

The invention discloses a shaping method for kiwi-fruit young tree cultivation. The shaping method is characterized by including the steps that in the young-tree growth process, a trunk, main vines and lateral vines are clipped and shaped, tree vigor is cultivated, and a tree shape with one trunk, two main wines and eight lateral vines is finally formed. Compared with the prior art, the shaping method has the advantages that a task object is clear for young tree cultivation shaping, a standardized operation standard is provided for young tree cultivation shaping, and standardized garden establishment for large-scale cultivation can be achieved; the tree vigor and the tree shape are succinct and regular, field operation and management are facilitated, and the production cost is reduced; the tree vigor and the tree shape are reasonably established, functional division is clear, the space use rate is high, balance between nutrition growth and reproductive growth of a plant is guaranteed, a guarantee is provided for the high quality, the high yield and the stable yield, and the quality of fruits is improved; branches and tendrils are vigorous in growth, the garden sealing rate can be 100%, damage of wind scars and damage of sun burning are reduced, the optimal fruit rate is increased, the commodity fruit rate can be 95% or above, bagging treatment can be omitted, and the condition is created for cost reduction and income increasing for fruit grows.
Owner:四川华朴现代农业股份有限公司

Operational heat meter

The invention provides an operational heat meter which comprises a battery and a gravity sensor. The battery is connected with the gravity sensor. The operational heat meter further comprises a plastic pressure-bearing platform, a gravity signboard and an LED lamp bead. The gravity sensor is connected with the plastic pressure-bearing platform through a cable. The plastic pressure-bearing platformis connected with a gravity identification plate through a cable. The gravity identification plate is connected with an LED lamp bead. The LED lamp bead is connected with the battery. Under the plastic pressure-bearing platform, a bronze wire with compression recovery performance is arranged. The gravity identification plate is provided with a critical prompt message. The defects that a lot of people are damaged by traffic violations due to heavy weight of a vehicle, a hot hand brake device and large load, the cycle of the vehicle with heavy measured tire load is not short, and traffic driving is delayed in the prior art are effectively avoided.
Owner:XIAN TRIONES DIGITAL INFORMATION

Method for constructing index system model

PendingCN109118066ABuild scienceBuild objectiveResourcesPublic resourceIndex system
The invention relates to an index system model construction method, which is designed for solving the technical problems of the existing public resource transaction index system model construction method deficiency and poor scientificity, in particular the land index system. The method includes index design, data preprocessing, establishes base points and exponential calculations, the key point isthat the index design is sequentially pretreated with data, after determining the basic point, calculating the second index and the first index, an index system model is obtained, wherein the first index in the index design is a certain city's public resources trading index, and the second index is a government procurement index, a project construction index, a land trading index, a factor trading index, and a corresponding third-level index. The model is based on the subjective and objective weighting of the multi-level calculation of the index, and ultimately forms a comprehensive index ofthe building method; the weight of the index is calculated by the combination of subjective and objective, which ensures the objectivity, scientificity and rationality of the index.
Owner:广州市标准化研究院 +1

Optimization design method of impeller for cavitation-erosion-resistant centrifugal fan

The invention discloses an optimization design method of an impellor for a cavitation-erosion-resistant centrifugal fan. The method is characterized by acquiring a front cover plate two-dimensional airfoil epiphyseal line, an intermediate two-dimensional airfoil epiphyseal line and a rear cover plate two-dimensional airfoil epiphyseal line on a circumferential XY plane of an original impellor; constructing impellor optimization parameters after parameterization, and constructing an epiphyseal line after variation; inputting the front cover plate two-dimensional airfoil epiphyseal line, the intermediate two-dimensional airfoil epiphyseal line and the rear cover plate two-dimensional airfoil epiphyseal line which are acquired through three dimension variation into a geometric modeling software, thus an impellor three-dimensional shape after variation is formed; measuring and calculating water conservation performances on the basis of single channel meshing; taking a non-dominated sorting genetic algorithm (NSGA-II) of a multi-objective genetic algorithm as an optimization tool, and carrying out multi objective optimization design on the impellor parameters of the centrifugal fan; and selecting a group of impellor parameters with optimal water conservation performance as the impellor parameter after optimization. The method provided by the invention has scientific construction ofoptimization parameters, the optimization process has high automatic degree, the impellor and blade efficiency of the centrifugal pump is high after optimization, and the cavitation erosion performance is outstanding.
Owner:XIAN UNIV OF TECH
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