Ethephon and SA treatments could increase the net photosynthesis in two sugarcane varieties, but decreased the gasconductance and evaporation after within 20 days after the treatments.
乙烯利和水杨酸能提高甘蔗的净光合速率，处理后的20天内降低了蒸腾递率和气孔导度。
2
By the transfer matrix method, the resonant splitting for ballistic conductance of a two-dimension electron gas is studied in the presence of an inhomogeneous perpendicular magnetic field.
利用转移矩阵方法，研究了在非均匀垂直磁场作用下的二维电子气中弹道电导的共振劈裂。
3
In design of a vacuum system, generally it concerns distinguishing the regions of gas flow, the conductance of tube, the pumping speed and the pressure of system etc.