Selenium-cadmium associated crop heavy metal safety diagnosis system and method
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A technology of diagnosis system and diagnosis method, applied in the direction of measuring device, instrument, material analysis by electromagnetic means, etc., to achieve the effect of reducing workload and burden, accurate evaluation method, and alleviating toxicity
Inactive Publication Date: 2020-06-05
ZHEJIANG UNIV +1
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[0009] At present, there is a lack of a rapid and effective method for
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[0043]The heavy metal safety diagnosis system for selenium and cadmium associated crops of the present invention is particularly suitable for heavy metal safety detection of rice in high cadmium and selenium rich soil. The system adopts jdk1.6 and above version of the open source development tool myeclipse company as the compilation and operation environment, and the desktop UI is based on Java Swing, which is used to receive user input data and display output results.
[0044] The software platform parameters are shown in Table 1.
[0045] Table 1 Software platform parameters
[0046]
[0047]
[0048] The software architecture includes 2 types of files (program source files, persistent data files) and 6 modules: management module, UI (user interface) module, configuration module, preprocessing module, processing module and calculation module.
[0049] There are three classes set up in the program source file, namely VegeFrame (panel building class), FormulaTool (compu...
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Abstract
The invention discloses a selenium-cadmium associated crop heavy metal safety diagnosis system and method, and the system comprises: a UI module which is used for the input of related parameter data and the display of a calculation result; a processing module which is used for calculating the heavy metal cadmium content in the crops according to the related parameter data and evaluating the safetyof the heavy metal content of the crops, wherein the related parameters comprise soil available selenium content, soil pH, soil conductivity, soil organic matter content, soil heavy metal cadmium content and soil heavy metal cadmium extraction state content; and a management module which is used for receiving the related parameter data, inputting the related parameter data into the relation modelto calculate and evaluate the safety of the heavy metal content of the crops, and transmitting an evaluation result to the UI module to display. According to the method, the heavy metal content of the crops is calculated and safety evaluation is carried out by taking the soil heavy metal cadmium content, the available selenium content and various physicochemical properties as conditions, so thatthe method has important significance for safety production of the crops.
Description
technical field [0001] The invention relates to detection technology of heavy metal content in crops, in particular to a safety diagnosis system and method for heavy metals in selenium and cadmium associated crops. Background technique [0002] In my country, although the pollution of farmland ecological environment has been curbed to a certain extent, it still has an increasing trend. Heavy metals causing environmental pollution mainly include cadmium (Cd), chromium (Cr), copper (Cu), lead (Pb), mercury (Hg), arsenic (As), nickel (Ni) and zinc (Zn). The pollution caused by heavy metals has the characteristics of concealment, irreversibility and long-term nature. Once they enter the living environment such as soil and water bodies, it is difficult to eliminate them by physical, engineering and chemical methods. [0003] As an organism fixed in the soil and immovable, plants can absorb some essential metal elements (Ca, Co, Cu, Fe, K, Mg, Mn, Mo, Na, Ni, Se, V, Zn) from the ...
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