University of New Mexico Bioalgal Energy, Photosynthesis rates of poplar plants - Measurements with TDL machine (Enriched CO2 - Enriched-exposed - Tray 4/6 - Play 4 - 2016/06/21)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.采用可调谐二极管激光（TDL）仪器与Licor设备，采集不同二氧化碳同位素组成条件下杨树植株的光合速率。