1. Based on heat-oxygen balance, some calculation formulae were derived. Thereby, vertical eddy coefficient, increase rate of vertically mixing oxygen, net increase rate, total increase rate and consumption rate of oxyen in biochemical processes were solved .
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Such, can make sales profit margin improved, and then make a big asset net interest rate increase.
这样,可以使销售利润率得到提高,进而使资产净利率有大的提高。
The results of research showed that the net photosynthetic rate decreased under (overcast) and rainy days and that would increase when it was cleared up.
结果表明:连续阴雨环境使葡萄叶片净光合速率下降,转晴后净光合速率上升。
Its net reproductive rate, the intrinsic rate of increase and the increment rate per unit were high, but its generation span and the time of double population size were low.
种群的净增殖率、内禀增长率及周限增长率较高,而种群的世代周期及加倍时间偏低;
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