The results indicated that there was remarkable biological effects on the white flammulina velutipes implanted by nitrogen ion beam and the effects were different with different doses. The relation between the doses and the survival rate was“saddle modle”curve.
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saddle point model 鞍点模型
A comparison is made for the shapes of experimental saddle point with the theoretical predictions by the liquid drop model.
实验上推出来的鞍点核形状同液滴模型的理论予示作了比较。
It is shown that the model undergoes saddle-node bifurcation and Hopf bifurcation.
该模型经历了鞍结点分支和霍普夫分支。
The mathematical model of typical saddle-shape weld was established, and the welding pose parameters were calculated with MATLAB.
针对典型的马鞍形焊缝进行数学建模，并利用MA TLAB软件计算焊接位姿参数。
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