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Online low-field nuclear magnetic resonance oil-containing seed sorting system

A low-field nuclear magnetic resonance, sorting system technology

Active Publication Date: 2013-11-27
SHANGHAI NIUMAI ELECTRONICS TECH +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, traditional laboratory magnetic resonance instruments lack the functions of high-frequency sample collection and signal processing. Due to the large size and quality differences between individuals of the same grain seed, the determination results of the oil content and moisture content of the sample need to correspond to the quality of the sample. , the experimenter must weigh the quality of each seed sample in advance and record it into the instrument one by one, so that the instrument can judge the signal collected from the sample through the calibration data in the database
This method still relies on the manual operation of the experimenters, so that the technology has not been effectively promoted outside the scientific research institutes

Method used

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  • Online low-field nuclear magnetic resonance oil-containing seed sorting system
  • Online low-field nuclear magnetic resonance oil-containing seed sorting system
  • Online low-field nuclear magnetic resonance oil-containing seed sorting system

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Embodiment

[0029] This example describes an online low-field nuclear magnetic resonance oilseed sorting system, the overall structure of the system is as follows figure 1 As shown, the operation flow chart of the system is as follows Figure 7 shown. The sorting system includes a nuclear magnetic resonance detection module composed of a magnet module 2, a radio frequency cabinet 3, a spectrometer 4, and control peripherals 6 (keyboard, mouse, display). The sorting system also includes a sampling and weighing device 1, an intelligent sorting Picking module 5, described sampling and weighing device 1 comprises holding hopper 7, single grain sampling device and weighing device 13, and single grain sampling device takes out single grain sample from the holding hopper 7 of holding seed and sends to weighing device 13 Weigh and send the weighing data to the spectrometer 4, and the weighed seeds are sent to the nuclear magnetic resonance detection module for nuclear magnetic resonance detectio...

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Abstract

The invention discloses an online low-field nuclear magnetic resonance oil-containing seed sorting system. The online low-field nuclear magnetic resonance oil-containing seed sorting system is constructed by integrating a nuclear magnetic resonance imaging analyzer for scientific researches with an automatic sample processing device. The accurate determination on the oil content of grain seeds is realized and a sampling test with large-batch and long-lasting repeated experiments is realized, so that the advantages including no damage and non-contact type detection of a nuclear magnetic resonance technology are expressed to the greatest extent. The online low-field nuclear magnetic resonance oil-containing seed sorting system disclosed by the invention breaks through the technical bottleneck of a grain seed breeding method, so that manpower needed by seed sieving work is saved and the sieving quality is improved.

Description

technical field [0001] The invention relates to low-field nuclear magnetic resonance detection equipment, in particular to a system for detecting and sorting the oil content of seeds based on low-field nuclear magnetic resonance detection. Background technique [0002] Nuclear magnetic resonance (NMR) refers to the phenomenon that atomic nuclei with a fixed magnetic distance exchange energy with an alternating magnetic field under the action of a constant magnetic field and an alternating magnetic field. At present, the nuclear magnetic resonance technology with hydrogen nuclei as the research object is widely used. Among them, the nuclear magnetic resonance phenomenon with a constant magnetic field strength lower than 1.0T is called low-field magnetic resonance (LF-NMR). [0003] The selection and breeding of oil-containing food crops represented by corn and soybean is one of the key topics in the field of agricultural scientific research in my country. Research by Professo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07C5/34B07C5/02G01N24/08
Inventor 杨培强陈绍江汪红志刘金陆治勇郭婷婷董昕徐小萍刘利荣张振杰李伟陈宝建刘晨旭郝霄汉黄清明
Owner SHANGHAI NIUMAI ELECTRONICS TECH
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