![](https://nthumb.tpgimages.com/mid2_com_img/1339/31820/TOP29828538.jpg)
Infrared gas analyser (IRGA) being used to measure gas exchange in a plant. An IRGA determines the gases present in a sample by emitting infrared light and measuring how it is absorbed. Different gas molecules will absorb different wavelengths of infrared light.
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Creative#:
TOP29828538
Source:
達志影像
Authorization Type:
RM
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須由TPG 完整授權
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No
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