Method for measuring plant biochemical indicators under radioactive stress

A measurement method and radioactive technology, applied in the field of geological exploration and measurement, can solve the problems of standard plant screening, cultivation and biochemical index measurement without a complete solution, and insufficient utilization of trace information, so as to improve the efficiency of ore prospecting and data indication The effect is obvious and the processing steps are simple

Inactive Publication Date: 2020-03-06
NANHUA UNIV
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AI Technical Summary

Problems solved by technology

[0004] However, this technology has not had a complete, mature and practical solution for the screening, cultivation and biochemical index measurement of standard plants, and the utilization of tracer information such as vegetation physiological and biochemical characteristics in uranium ore prospecting is not enough.

Method used

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Embodiment 1

[0017] A method for measuring plant biochemical indicators under radioactive stress, comprising the following steps:

[0018] 1. Material selection: Select plants with uniform shape and size and the same growth period for hydroponics, cultivate them in nutrient solution without uranium for three days, and then select plants with the same growth potential to continue cultivation;

[0019] 2. Preparation of uranium-containing base solution: take 1.1790g of reference U 3 O 8 In the beaker, add 10ml of concentrated hydrochloric acid and 3ml of hydrogen peroxide, and then drop 0.1ml of nitric acid into the beaker, place it on a heating electric furnace and heat it on a small fire, stir and dissolve it to a yellow translucent liquid, and then dilute to 1L with distilled water to make the mass. Uranium base solution with a concentration of 1 g / L;

[0020] 3. Hydroponics: Use distilled water to make the base solution into seven concentrations of uranium with concentrations of 1 mg / L...

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Abstract

The invention provides a method for measuring plant biochemical indicators under radioactive stress. According to the method, different plants are cultivated in laboratory environment, and the physiological structure changes of plants under uranium stress and the distribution of uranium in different parts of leaves are observed and measured from the perspective of biochemistry. Meanwhile, the amount of uranium enriched in roots, stems and leaves, the contents of carotenoid, soluble protein, malondialdehyde and chlorophyll as well as the influence of uranium on activities of superoxide dismutase, catalase and peroxidase are detected. The influence of uranium in a prospecting working area on plant biochemical indicators is analyzed, so that the information of uranium prospecting in the working area is obtained, and exploration and development of uranium resources are further facilitated. The method provides a new direction for uranium exploration by using biological and biochemical indicators research methods. The method has the characteristics of convenient sampling, low cost, simple processing steps, friendliness to environment and no damage. The data obtained is a new type of uranium prospecting data, which is obviously indicative and improves the prospecting efficiency.

Description

technical field [0001] The invention relates to a geological exploration measurement method, in particular to a plant biochemical indicator measurement method under radioactive stress for uranium exploration. Background technique [0002] Uranium is a radioactive metal element with active chemical properties, wide distribution, and high crustal abundance (2.7×10 -6 g / g). It is the raw material for the manufacture of nuclear weapons and nuclear fuel, and the nuclear energy produced by it has remarkable characteristics such as cleanliness, safety and environmental protection. The vigorous development of my country's nuclear power industry has created a huge demand for uranium resources, while southern uranium mining companies generally face resource depletion and high refining costs, while northern uranium mining companies are mostly faced with in-situ leaching of sandstone uranium mine development, and some sandstone-type uranium mines are faced with in-situ leaching. Due to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V5/00
CPCG01V5/26G01V5/281
Inventor 王正庆宋静车永飞肖策王升唐振平陈亮谢焱石王永东孙静马强
Owner NANHUA UNIV
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