During the day water loss by transpiration exceeds water absorption by the roots and leaf water potential decline.
白天蒸腾作用散失的水分超过根系吸收的水分，因而叶子的水势就下降。
2
The titanate nanotubes have been attracted widely attention due to their strong absorption in the visible light region and potential application on the utilization of the solar energy.
由于钛酸盐纳米管具有强的可见光吸收因而在太阳能利用方面将有潜在的应用前景而备受人们广泛的关注。
3
It is shown that the antiproton optical potential have strong absorption characteristics.