CN101566947A - Operation system for space of genuine medicinal materials - Google Patents
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Abstract
The invention provides a database system for spatial analysis of genuine medicinal materials. The database system is developed by applying a VB software tool, takes 3S technology (a geographic information system, remote sensing technology and a global positioning system) as a core and a bottom layer, has system files compatible with other relevant spatial analysis software, supports the construction of professional models for Chinese medicinal genuine medicinal materials, has spatial data and medicinal-material data for researching the genuine medicinal materials, and can update database information in real time. Application demonstration of Nanjing-area remote sensing analysis and Chinese medicinal atractylodes zoning is performed by utilizing the database, and the system is proved that the system has the advantages of reasonable design, friendly interface, strong spatial analysis capability and convenient and practical operation.
Description
● technical field
The present invention is the gordian technique of natural resources of Chinese medicinal materials sustainable development, is specifically related to natural resources of Chinese medicinal materials spatial analysis technology and remote sensing resource exploration.
● background technology
" 3S " integrated technology system is based on remote sensing (RS), Geographic Information System (GIS) and GPS (GPS), the relative section in RS, GIS and 3 kinds of independent technique fields of GPS and other high-tech sector (as network technology, mechanics of communication etc.) is organically constituted an integral body and a new complex art forming.Its collection information is obtained, information processing, information are applied to all over the body, but outstanding behaviours is obtained aspect the high speed of information processing, the high precision quantification used with information in real time in information, has become the mankind carry out global change research due and The Study on Sustainable Development in the spatial information epoch gordian technique means.The 3S technology also obtains the Chinese medicine breakthrough in relevant orders such as national defence, traffic, resource and environments in recent years.Particularly it combines with ground, ecology, agronomy, pedology, plant physiology etc., be implemented in the agricultural production overall process to the real-time monitoring from the macroscopic view to the microcosmic of crops, soil, soil, for its application in natural resources of Chinese medicinal materials research provides good reference.
GIS use in analysis-by-synthesis evaluation and simulation and forecast usually, but the spatial analysis functions of general GIS is far from being enough for most application problem as the promising ring of being rich in of 3S technology, because all there is own unique special purpose model in these fields.Use GIS technology and Professional Model binding analysis specialty problem and develop the focus that GIMS (geography information modeling) studies just both at home and abroad.GIS is the very actual problem that many applications face with other model and combining of knowledge base.The generally acknowledged high-quality Chinese crude drug that genunie medicinal materials are consumption maximums in the natural resources of Chinese medicinal materials, effect is best, economic worth is the highest.The specific place of production is the necessary condition that genunie medicinal materials form, and the investigation that the relation in genunie medicinal materials and habitat therefore studied reaches genuine producing region herb resource is to become one of core content of natural resources of Chinese medicinal materials spatial analysis.Utilize the GIS technology, optimum habitat model of Chinese medicine genunie medicinal materials and Chinese medicine genunie medicinal materials knowledge information storehouse are coupled into an organic whole, realize the structure of operation system for space of genuine medicinal materials, become the gordian technique of genuine medicinal material spatial analysis and resource exploration.
● summary of the invention
The purpose of this invention is to provide a kind of genuine medicinal material spatial analysis operational system.Specifically, this system uses the exploitation of VB Software tool, system is core and bottom with 3S technology (Geographic Information System, remote sensing technology and GPS), system file and other correlation space analysis software compatibilities, support the structure of Chinese medicine genunie medicinal materials Professional Model, have the spatial data and the medicinal material data that are used for genunie medicinal materials research, but and database information real-time update.
Purpose of the present invention is achieved by following technical proposals.
(1) the database bottom makes up
For quality and advance, the especially database that guarantees database will have the function of supporting that Chinese medicine genunie medicinal materials Professional Model makes up, in the process that database makes up, determine following thinking.1. with spatial analysis ultra-modem technology---the 3S technology is core and bottom.Adhere in the structure of database that with the 3S technology be core and bottom, advantage and proven technique that the 3S technology is generally acknowledged had both been made full use of aspect spatial analysis, guaranteed the advanced level of database, also the functions such as reality simulation, comprehensive evaluation, trend prediction, optimizing decision for utilizing GIS realize that natural resources of Chinese medicinal materials sustainable use and management decision consulting has made up platform.2. support the structure of Chinese medicine genunie medicinal materials Professional Model.The structure of Professional Model is the target of " Chinese medicine genuine medicinal material spatial analysis database ", also is the characteristic of this database.In order to realize the structure of genunie medicinal materials Professional Model, the framework of the medicinal material information and the place of production information thereof of complete natural resources of Chinese medicinal materials will be arranged in the structure of database, and the analytic function of system.Simultaneously, in order to realize this goal, database has been included part medicinal material and place of production information with template way, reference during in order to similar information gathering and analysis.3. guarantee the expansibility and the real-time update ability of database.The expansibility of database shows as it has some to reserve module, can support the access and the use of other softwares.Including of the interpolation property of data content and remote sensing images can guarantee the database real-time update.4. guarantee the compatibility of database file and other correlation space analysis software.Main by employing spatial analysis frequently-used data form, and the compatibility of supporting be converted fulfillment database file and other spatial analysis software of various data layouts.
For realizing above target, native system is used the VB SDK (Software Development Kit), and design is developed at " operation system for space of genuine medicinal materials " main interface.The assembly of using VB adds function, the GIS functional module directly is inserted in the main interface of native system (because GIS provides a large amount of GIS functional modules for the user, these GIS functional modules all are to be based upon on the basis of the object linking of Microsoft and embedding (OLE), the user can directly utilize these functional modules to carry out system development), to finish the native system required function.The required data of native system are the figure layer files that generate in the ArcGis environment, realize being connected of GIS functional module and data by the coding code.Database interface is seen Fig. 1.
(2) database framework
Database is a bottom with the GIS technology, and the integrated software of a plurality of spatial analysiss is supported the importing and the analysis of GPS and RS data.Be divided into data management (data management), space interpolation (spacial interpolation), remote sensing (remote sensing), statistics (statistics), spatial analysis (spacial analysis) in the storehouse, expand developing6 module (interface of Fig. 1 genuine medicinal material spatial analysis database), support all kinds of general vectors and Shan Ge data, reach various format multiple-sources, multiscale space data-switching, as the conversion between universal space data layout among GIS, ERS, RASTER, ASCII, GRID, the GEOTIFF etc. tens.But 6 module independent operatings, but also joint operation.
(3) data source and code Design
The China provincial boundaries: with China Map Press, People's Republic of China's administrative map of publishing in 1988 is a foundation.Digital product is produced by resource and environment infosystem National Key Laboratory of Institute of Geography, Academia Sinica, and issuing date is 1996.Data content is to have the polygon of identifier to represent the position and the border of each provinces and regions.Engineer's scale is 1: 400 ten thousand, and projection pattern is authalic conical projection.Administrative coding is with the unification of the motherland standard.
Weather data: comprise in the period of more than 700 the meteorological site 1971-2000 in the whole nation moon Value Data of the meteorological factor in the period of 30, as radiation interpolation image (0.01MJ/m
2), average relative humidity interpolation image (%), rainfall amount interpolation image (1mm), sunshine time interpolation image (0.1h), mean wind speed interpolation image (0.1m/s), temperature on average interpolation image (1 ℃) etc., reach the interpolated data that obtains by the analysis of Ke Ligefa (Kriging) space interpolation, reserve 1/5 data before the interpolation, the accuracy of interpolation result is verified.
China's landforms code Design: Chinese landforms are on the ten thousand geomorphologic map bases that are based upon 1: 400.Code is 6 digit numeric codes, and first code is " 1 " or " 2 ", represents land geomorphic type and mrine geomorphy type respectively.For the land geomorphic type, second code is 1～9, represents mountain region, loess ridge loess hills, Tai Yuan, plateau, ridge erosion landforms, tableland, Plain, outfall fan Plain and low valley flat respectively.Third and fourth code is 01 ~ 05, respectively low height above sea level＜1000m, intermediate altitude 1000 ~ 2000m, high intermediate altitude 2000 ~ 4000m, high height above sea level 4000 ~ 6000m and high height above sea level＞6000m of expression; Third and fourth bit code is 21 ~ 24, represent deep-sea basin and ocean floor (depth of water 2600 ~ 6000m), continental apron (depth of water 2400 ~ 3200m), the continental slope (depth of water 200 ~ 2400m) and the continental platform (depth of water 0 ~ 200m) respectively, five, six bit codes are represented trickleer geomorphic type, and particular content slightly.
The Vegetation of China code Design: the Vegetation of China code Design is on the ten thousand Vegetation of China figure bases that are based upon 1: 400, directly to encode according to the categorizing system of 1: 400 ten thousand Vegetation of China figure.Its coding adopts 7 digit numeric codes, and a left side is played first bit digital and is respectively 1,2,3,4, represents natural vegetation, agriculture vegetation, no vegetation location, lake respectively.For natural vegetation, second-order digit is represented vegetation guiding principle group; Third and fourth bit digital is represented the vegetation formation class; Five, six, seven bit digital are represented vegetation group system group.
The Chinese soil code Design: the Chinese soil code Design is on the ten thousand Chinese soil figure bases that are based upon 1: 400, directly to encode according to the categorizing system of 1: 400 ten thousand pedological map.Its coding adopts three digit numeric codes, and first and second bit representation great soil group (one-level class) is played on a left side, and the 3rd bit digital is represented the subclass in the great soil group.
Medicinal material information: medicinal material information is mainly derived from list of references.Included at present and comprise rhizoma atractylodis (A.lancea), the red sage root (Salviamiltiorrhiza Bge.), sweet wormwood 20 Chinese crude drug medicinal material information such as (Artemisia annua L.), each medicinal material comprises following information: numbering, medicinal material name, latin name, section belong to, main chemical compositions (big class), chemical type, index or represent composition, distributive province, genuine producing region, cultivation situation, remarks (characteristic distributions, mainly exist environmental problem), main chemical compositions.Wherein chemical analysis information has the chemical constitution of comprising numbering, index components, content, unit, sampling time, detection method, key condition, sampling position (province cities and counties), longitude, latitude, list of references etc.
Partial data information is seen Fig. 2.
(4) systemic-function
Database can carry out input, management, remote sensing image processing, space interpolation and the spatial analysis of all kinds of literal, image, incremental data, and the concrete function of database is as follows.
The input of data, management and fusion: on the basis of existing medicinal material information and spatial information, database support information such as other medicinal materials and biology thereof, merchandising, the humanities, chemistry, pharmacology input, replenish, real-time update and data fusion, can carry out routine data management and report form processing, sort as data, the extraction of numerical value such as mean, variance, maximal value, minimum value, PivotTables is set up, data qualification, inquiry and replacement etc.
Remote sensing analysis: remote sensing analysis is one of Core Feature of database.The importing and the derivation of the genunie medicinal materials remote sensing images that are bottom, the atmospheric correction of image, geometry correction, free-air correction, the calculating of AOI extracted region, supervision and unsupervised classification, vegetation index etc. are carried out with EARDAS in the database support.If the tie surface investigation can be carried out the resource exploration and the ground dynamic monitoring of Chinese medicine.For example, seasonal variations characteristics according to the study area vegetation, select the remotely-sensed data of different periods, at first to not simultaneously the remotely-sensed data of phase do system's geometry correction, then they are carried out accurate spatial registration, make identical atural object in that the position on the remote sensing images of phase is not consistent simultaneously, and the multi-temporal remote sensing data are under the same geographical co-ordinate system.Then, according to atural object on remote sensing images image feature and in conjunction with professional knowledge, initial option water body, vegetation (wheat, forest land), naked sand ground, cities and towns and airfield runway are the typical feature sample on image, then, investigate on the spot, to the type of selected typical feature and position checking and adjust.At last, the spectroscopic data of different periods of collection also compares, and can obtain the dynamic monitoring of the ground variation of this survey region.
Space interpolation is analyzed: spatial interpolation is exactly a process of estimating the data value in unknown space according to known spatial data, and it is one of element task of spatial analysis.Its effect mainly contains the raising packing density, estimates certain some observation data of disappearance; With the form of the isoline space distribution of video data intuitively; Is the spatial data interpolation of random distribution the space data sets of regular distribution, as regular rectangular shape graticule mesh, the triangulation network etc.Multiple space interpolation methods such as Thiessen polygon (minimum distance method), anti-distance weighted method, Kriging interpolation, Gauss model and linear model are supported in the notebook data storehouse.Few at some medicinal material spatial information amounts, sampling point characteristics pockety are carried out the space interpolation analysis of corresponding scale, will obtain the sample information of whole survey region.
Spatial statistics is analyzed: the spatial statistics analysis is based on classical multivariate analysis method, and the while is carried out many key elements dynamic modeling and numerical analysis in database, and demonstrations such as available geographical figure, report as a result.Basic function comprises that multiple regression, cluster analysis, PCA are analyzed, discriminatory analysis, and gradient analysis and three dimensions multiattribute are browsed and made etc.With this spatial Correlation Analysis that can carry out genunie medicinal materials output, quality, production scale, economic benefit etc. and climatic factor, soil constituent, the genunie medicinal materials quality influence factor is screened the space distribution rule of clear and definite genunie medicinal materials.
Spatial analysis: spatial analysis herein (spacial analysis) is meant with the Geographic Information System to be the spatial analysis of bottom, it can carry out various processing by geographic coordinate or locus with spatial data, data are effectively managed, study various spatial entities and mutual relationship, by to multifactorial analysis-by-synthesis, promptly obtain the information that satisfies application need, and represent the result that handles with the form of map, figure or data.Spatial analysis is the core of entire database, it overcome traditional shortage spatial entities definition ability and spatial relationship search can shortcoming.Specifically comprise stacked analysis, buffer zone analysis, manifold inquiry, null set analysis (intersection computing, logic union, logical difference computing), map making, with functions such as combining of remote sensing image processing system.The current spatial model that has been used for makes up, and the genunie medicinal materials suitable habitat is analyzed, fields such as genunie medicinal materials Research on zoning.
Expand: some secondary development function libraries of application GIS are developed has specific function spatial analysis model, by assembling different assemblies, the spatial analysis module of the different demands of different user is satisfied in generation, basically do not changing under the prerequisite of current system, can be by increasing the range of application of new assembly expanding system.Among this module was now being explored, target was to realize the computer logic fuzzy Judgment of the information such as genunie medicinal materials upgrowth situation, output, quality under the different habitat conditions, and by interactive inquiry, provides the consulting of various information and analysis result.
Concrete technical scheme of the present invention is: operation system for space of genuine medicinal materials of the present invention, be provided with operating system as user interface, as the data base set of the platform application system of unifying, wherein, (1) operating system is to use the VB SDK (Software Development Kit), design is developed at " operation system for space of genuine medicinal materials " main interface, add function by the assembly of using VB, the GIS functional module directly is inserted in the main interface of native system, to finish this system's required function; (2) Database Systems are bottom with the GIS technology, support the importing and the analysis of GPS and RS data, include medicinal material and place of production information with the template form; (3) application system is made up of data management, space interpolation, remote sensing, statistics, spatial analysis and 6 modules of expansion; Can carry out input, management, remote sensing image processing, space interpolation and the spatial analysis of all kinds of literal, image, incremental data; (4) adopt the assembly of VB to add function reservation module in the application system, support the expansibility and the real-time update ability of other databases; (5) adopt spatial analysis frequently-used data form, support being converted of various data layouts to realize the compatibility of file and other spatial analysiss, the required data of this system are the figure layer files that generate in the ArcGis environment, realize being connected of GIS functional module and data by the coding code.Wherein, radiation interpolation image (0.01MJ/m in the period of place of production information comprises in the period of more than 700 the meteorological site 1971-2000 in the whole nation 30
2), the month of average relative humidity interpolation image (%), rainfall amount interpolation image (1mm), sunshine time interpolation image (0.1h), mean wind speed interpolation image (0.1m/s), temperature on average interpolation image (1 ℃); 1: 400 ten thousand Chinese geomorphologic map; 1: 400 ten thousand Vegetation of China figure and 1: 400 ten thousand Chinese soil figure.Medicinal material information comprises numbering, medicinal material name, latin name, section's genus, big class, chemical type, the index of medicinal material or represents composition, distributive province, genuine producing region, cultivation situation, characteristic distributions, envirment factor and chemical constitution information.Chemical analysis information comprises chemical constitution numbering, index components, content, unit, sampling time, detection method, key condition, sampling position, longitude, latitude and list of references.
● description of drawings
Fig. 1 operation system for space of genuine medicinal materials interface.Comprise data management (data management), space interpolation (spacialinterpolation), remote sensing (remote sensing), statistics (statistics), spatial analysis (spacial analysis), expand developing6 module
Data information in Fig. 2 database: the meteorological raster data of China's some areas 1971-2000 part.A is China mainland average precipitation in June figure; B is China mainland average precipitation in Dec figure; C is China mainland average relative humidity in June figure; D is China mainland average relative humidity in Dec figure.
Fig. 3 database application
Area, A Nanjing mini-bus landsat striograph (image has passed through geometry correction, is the false color image by the synthetic false colour of 4 (R): 3 (G): 2 (B))
The unsupervised classification figure of area, B Nanjing mini-bus landsat image (fall into 5 types altogether, press 3 (R): 2 (G): 1 (B) and the realistic colour that becomes)
(NDVI=(NIR-R)/(NIR+R), NIR and R are respectively the first and second channel data values to area, C Nanjing mini-bus landsat image vegetation index data.)
The ecological suitability zoning of D rhizoma atractylodis
● embodiment
The following examples will be further explained the present invention, but the present invention opens and not only is confined to these embodiment, the scope that these embodiment do not limit the present invention in any way, some change that those skilled in the art has done within the scope of the claims and adjust also should be thought and belong to scope of the present invention.
1) remote sensing in the genuine producing region of rhizoma atractylodis classification
Figure below is area, the Nanjing remote sensing images according on April 20th, 2004, the CBERS2 satellite was gathered.Sensor type: CCD, PATH/ROW are 369/64, scape center latitude: 32.019257, longitude centroid in the scape: 119.253149, original image in database, utilize the RS module to pass through pre-service after, carried out geometry correction, and press R4G3B2 synthetic standards false color image (Fig. 3, A).Red part is represented vegetation among the figure, and blue cast is represented reservoir, and cities and towns are dusty blue.Genuine producing region---the Maoshan Mountain of the Changjiang river, reservoir, railway and rhizoma atractylodis is high-visible among the figure.Simultaneously by man-machine interaction and further Flame Image Process, can carry out further decipher and atural object identification to remote sensing images, but simultaneously the synthetic euchroic coloured silk of R3G2B1 show (Fig. 3, B).
2) the calculating vegetation index of Maoshan Mountain area NDVI vegetation index mainly reflects the index of vegetation difference between visible light, near-infrared band reflection and Soil Background, and it can be used for quantitatively illustrating the upgrowth situation of vegetation under certain condition.By to different time sections, different regions vegetation index comparative analysis, can therefrom draw vegetation growth situation situation with the change of time and place, the combined ground monitoring materials just can reflect vegetation state indirectly.By unsupervised classification figure as seen, area, the Maoshan Mountain belongs to the very high zone of vegetation coverage at whole Nanjing annex.By the analysis susceptible of proof this point of further NDVI vegetation index NDVI=(NIR-R)/(NIR+R), Fig. 3, C have showed an interface of calculating in the NDVI vegetation index process.
3) place of production adaptability Research on zoning of rhizoma atractylodis
Zoning is to carry out one of maximum work in the spatial analysis.Use the genuine medicinal material spatial analysis database and carry out zoning, according to the specific environment factor that screens (the normally ecological main factor and restriction factor) suitable habitat of genunie medicinal materials is estimated exactly, and showed intuitively with the form of map.This seminar is example with rhizoma atractylodis, has carried out the exploratory development of genunie medicinal materials secondary metabolite accumulation.It at first is the meteorological data that utilizes in the database, contain temperature, precipitation, sunshine, relative humidity and 5 indexs of wind speed, calculate precipitation coefficients R=rainfall amount/temperature earlier, the quadratic term of reciprocation of temperature and precipitation (I=temperature * rainfall amount) and temperature (square) 3 indexs; Utilize canonical correlation then and progressively return 6 key components doing in these 8 indexs and the Rhzoma Atractylodis Lanceae volatile oil and make correlation model; On this basis, utilize the spatial analysis instrument in the database to set up spatial model; Be divided into optimum to hanging down, suit, suit, be not suitable for 4 grades by height by volatile oil content again; Finish the benign climate zoning of Rhzoma Atractylodis Lanceae volatile oil composition accumulation, and show and output with the ground diagram form.This research not only realized first with the secondary metabolite accumulation be target the Chinese medicine zoning (Fig. 3, D).
Claims (5)
1. operation system for space of genuine medicinal materials, be provided with operating system as user interface, as the data base set of the platform application system of unifying, it is characterized in that (1) operating system is to use the VB SDK (Software Development Kit), design is developed at " operation system for space of genuine medicinal materials " main interface, add function by the assembly of using VB, the GIS functional module directly is inserted in the main interface of native system, to finish this system's required function; (2) Database Systems are bottom with the GIS technology, support the importing and the analysis of GPS and RS data, include medicinal material and place of production information with the template form; (3) application system is made up of data management, space interpolation, remote sensing, statistics, spatial analysis and 6 modules of expansion; Can carry out input, management, remote sensing image processing, space interpolation and the spatial analysis of all kinds of literal, image, incremental data; (4) adopt the assembly of VB to add function reservation module in the application system, support the expansibility and the real-time update ability of other databases; (5) adopt spatial analysis frequently-used data form, support being converted of various data layouts to realize the compatibility of file and other spatial analysiss, the required data of this system are the figure layer files that generate in the ArcGis environment, realize being connected of GIS functional module and data by the coding code.
2. the system as claimed in claim 1, it is characterized in that place of production information comprise in the period of more than 700 the meteorological site 1971-2000 in the whole nation 30 in the period of radiation interpolation image (0.01MJ/m
2), the month of average relative humidity interpolation image (%), rainfall amount interpolation image (1mm), sunshine time interpolation image (0.1h), mean wind speed interpolation image (0.1m/s), temperature on average interpolation image (1 ℃); 1: 400 ten thousand Chinese geomorphologic map; 1: 400 ten thousand Vegetation of China figure and 1: 400 ten thousand Chinese soil figure.
3. the system as claimed in claim 1 is characterized in that medicinal material information comprises numbering, medicinal material name, latin name, section's genus, big class, chemical type, the index of medicinal material or represents composition, distributive province, genuine producing region, cultivation situation, characteristic distributions, envirment factor and chemical constitution information.
4. system as claimed in claim 3 is characterized in that chemical analysis information comprises chemical constitution numbering, index components, content, unit, sampling time, detection method, key condition, sampling position, longitude, latitude and list of references.
5. system as claimed in claim 3 is characterized in that medicinal material information is the relevant information of rhizoma atractylodis.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968876A (en) * | 2010-09-17 | 2011-02-09 | 航天恒星科技有限公司 | Adaptive real-time processing method for remote sensing images of ground system |
| CN102682462A (en) * | 2012-04-28 | 2012-09-19 | 廊坊市大华夏神农信息技术有限公司 | Dynamic nephogram analysis method for price of agricultural product |
| CN105975465A (en) * | 2015-10-19 | 2016-09-28 | 霍亮 | Method for monitoring traditional Chinese medicine resources based on geographic national conditions |
| CN106570122A (en) * | 2016-10-25 | 2017-04-19 | 康美药业股份有限公司 | Method and device for generating medicinal material resource map |
| CN106780083A (en) * | 2016-12-08 | 2017-05-31 | 南京信息工程大学 | A kind of method for building up of the medicinal plant threeleaf akebia ecological characteristic index based on GIS |
| CN107403057A (en) * | 2016-05-20 | 2017-11-28 | 中国中医科学院中药研究所 | A kind of Chinese medicine Quality Regionalization model based on maximum informational entropy and improved independence weight coefficient |
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2008
- 2008-12-24 CN CNA200810240738XA patent/CN101566947A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968876A (en) * | 2010-09-17 | 2011-02-09 | 航天恒星科技有限公司 | Adaptive real-time processing method for remote sensing images of ground system |
| CN101968876B (en) * | 2010-09-17 | 2012-11-14 | 航天恒星科技有限公司 | Adaptive real-time processing method for remote sensing images of ground system |
| CN102682462A (en) * | 2012-04-28 | 2012-09-19 | 廊坊市大华夏神农信息技术有限公司 | Dynamic nephogram analysis method for price of agricultural product |
| CN105975465A (en) * | 2015-10-19 | 2016-09-28 | 霍亮 | Method for monitoring traditional Chinese medicine resources based on geographic national conditions |
| CN107403057A (en) * | 2016-05-20 | 2017-11-28 | 中国中医科学院中药研究所 | A kind of Chinese medicine Quality Regionalization model based on maximum informational entropy and improved independence weight coefficient |
| CN106570122A (en) * | 2016-10-25 | 2017-04-19 | 康美药业股份有限公司 | Method and device for generating medicinal material resource map |
| CN106780083A (en) * | 2016-12-08 | 2017-05-31 | 南京信息工程大学 | A kind of method for building up of the medicinal plant threeleaf akebia ecological characteristic index based on GIS |
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Open date: 20091028 |