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2013-05-23 12:21
求翻译：The concentration profiles of NG and NA in four propellants are investigated by FTIR Microspectroscopy. The results are given in Fig. 1 and Fig. 2. The experimental points are presented as dots, the simulation values are drawn in lines. From two figures, it can be seen that the experimental points are in accordance with the simulation values. To the concentration profile of NG, the variation curve is just like a parabola along the radius and there exists a maximum. In terms of NA, the concentration decreases exponentially from the surface inwards.是什么意思？ 待解决
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The concentration profiles of NG and NA in four propellants are investigated by FTIR Microspectroscopy. The results are given in Fig. 1 and Fig. 2. The experimental points are presented as dots, the simulation values are drawn in lines. From two figures, it can be seen that the experimental points are in accordance with the simulation values. To the concentration profile of NG, the variation curve is just like a parabola along the radius and there exists a maximum. In terms of NA, the concentration decreases exponentially from the surface inwards.
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