It was found that the mutant of Anabaena siarnensis which was obtained from monoclonal culture of spaceflight Anabaena is of higher growth rate and photosynthetic efficiency than the ground control.
对经空间飞行搭载而获得的暹罗鱼腥藻突变株的分析发现，与对照相比，它在生长率和光合效率方面明显较高。
The photosynthetic rate of tomato and cucumber grown in two composted substrates was higher than that of control in nutrition and reproductive stage.
同时两种秸秆腐熟基质在营养生长期和生殖生长期的光合速率比对照高。
The photosynthetic induction rates were similar in the different age leaves of the control plants, and there was stomatal limitation in the late stage of in.
对照植株幼叶、功能叶和老叶的光合诱导速率相差不大，幼叶和功能叶光合诱导后期受气孔限制的影响。
Compared net photosynthetic rate in different tree frame, the open was higher than the spindle; the spindle was higher than the control.
不同树形叶片净光合速率比较，开心形高于纺锤形，纺锤形高于对照。
The results showed that the light intensity in the plastic green house was significantly reduced and only 39.3% of the control, resulting in net photosynthetic rate (Pn) decreased by 27.5%.
结果表明，塑料大棚茶园内，光合有效辐射仅为棚外茶园的39.3% ，导致茶树光合速率平均比对照低2 7.5 % ；
The results showed that the light intensity in the plastic green house was significantly reduced and only 39.3% of the control, resulting in net photosynthetic rate (Pn) decreased by 27.5%.
结果表明，塑料大棚茶园内，光合有效辐射仅为棚外茶园的39.3% ，导致茶树光合速率平均比对照低2 7.5 % ；
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