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Measuring equipment for measuring embolism resistance of plant xylem by using pneumatic method

A measuring device and xylem technology, applied in the electronic field, can solve the problems of low measurement data accuracy, high labor cost, and long time-consuming cost, so as to improve measurement accuracy, reduce economic cost, and reduce potential errors.

Pending Publication Date: 2021-08-03
KUNMING UNIV OF SCI & TECH
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Problems solved by technology

[0013] The technical problem to be solved by the present invention is to provide a measuring device that uses a pneumatic method to measure the anti-embolism degree of plan

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  • Measuring equipment for measuring embolism resistance of plant xylem by using pneumatic method
  • Measuring equipment for measuring embolism resistance of plant xylem by using pneumatic method
  • Measuring equipment for measuring embolism resistance of plant xylem by using pneumatic method

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Embodiment Construction

[0044] The technical solutions of the present invention will be clearly and completely described below through specific embodiments.

[0045] The present invention provides a kind of measuring equipment using pneumatic method to measure anti-embolism degree of plant xylem, its system block diagram is as follows figure 1 As shown, it includes air pressure control circuit, detection object 1, signal acquisition circuit, power supply circuit, communication circuit, mobile device, clock signal generation circuit, working status indication circuit, SD card module, single-chip microcomputer U, and the model of single-chip microcomputer U is STC15W4K58S4. The power supply circuit is connected to the single-chip microcomputer U, SD card module, working state indication circuit, clock signal generation circuit, communication circuit, signal acquisition circuit, and air pressure control circuit to provide power; the single-chip microcomputer U is connected to the air pressure control cir...

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Abstract

The invention relates to measuring equipment for measuring the embolism resistance of plant xylem by using a pneumatic method, which comprises an air pressure control circuit, a detection object, a signal acquisition circuit, a power supply circuit, a communication circuit, mobile equipment, a clock signal generation circuit, a working state indication circuit, an SD card module and a single chip microcomputer U. According to the invention, the time for measuring the embolism resistance of the plant xylem can be greatly shortened, the measurement does not need human intervention, errors caused by human factors are greatly reduced, and the measurement precision is further improved. In addition, a complete embolism vulnerability curve can be constructed by measuring one sample, so that not only is the measurement efficiency improved, but also potential errors among plant individuals are reduced. The economical efficiency of the equipment is excellent whilethe high precision of measurement is ensured. Compared with measurement carried out by using equipment such as a CT machine and a centrifugal machine, the application of the equipment can greatly reduce the economic cost of measurement.

Description

technical field [0001] The invention relates to a measuring device for measuring the anti-embolism degree of plant xylem by using a pneumatic method, and belongs to the field of electronic technology. Background technique [0002] In recent years, affected by climate change, extreme drought and high temperature events have increased, and the mortality rate of plants and forests has increased significantly around the world. The mechanism of plant death has become a research hotspot, and the water physiology and hydraulic structure of plants are the core of the research. The anti-embolism degree of xylem of plants can reflect the drought tolerance of plants, and can be used as an important indicator to predict whether plants will be damaged when drought comes; and measuring the anti-embolism degree of xylem of plants can also help to cultivate new drought-tolerant plants. There are currently five measurement methods: [0003] 1. Natural drying method [0004] 2. Acoustic det...

Claims

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Application Information

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IPC IPC(8): G01N7/10
CPCG01N7/10
Inventor 何宇航李思奇鲁思兆许爽袁娅局喻兴鹏肖庄胜金岩松田双施胜德
Owner KUNMING UNIV OF SCI & TECH
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