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DISPOSITIF D'OBSERVATION DE TENEUR EN EAU, PROCÉDÉ D'OBSERVATION DE TENEUR EN EAU, ET DISPOSITIF DE CULTURE
专利权人:
Ltd.;Panasonic Intellectual Property Management Co.
发明人:
FUJIYAMA, Takeshi,TERASHIMA, Yuuji
申请号:
EP16887838
公开号:
EP3410098A4
申请日:
2016.10.21
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
A first beam source radiates, as a reference beam, 905 nm of near infrared beam having a characteristic in which light tends not to be absorbed in water toward a leaf of a plant. A second beam source radiates, as a measuring beam, 1550 nm of near infrared beam having a characteristic in which light tends to be absorbed in water toward the leaf of the plant. A threshold level setter / water content index detector calculates a water content index of one leaf which is a total sum ˆ‘Ln (I 905 /I 1550 ) of the reflection intensity ratio. A controller displays a graph representing the time-serial change of the water content contained in the plant from the start to the end of the measurement period on a UI screen of a monitor. Further, the controller is connected to an environmental control device that controls environmental conditions surrounding the plant, and instructs the control device to change or maintain the environmental conditions based on a change of increase and decrease in the water content contained in the calculated plant.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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