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中国对虾育苗人工海水溶解氧消长规律的初步研究
臧维玲1, 方茂雷1, 姬宇新1
上海水产学院
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PRELIMINARY STUDY ON THE RISE AND DECLINE OF THE DISSOLVED OXYGEN IN ARTIFICIAL SEAWATER FOR NURTURING PRAWN (PENAUS ORIENTALIS) SEEDS
Abstract:
The changing mean velocities of the expended oxygen in artificial seawater used for nurturing prawn seeds are determined at pH (5.0-9.8), concentrations (1.56-7.98mg/L) of the dissolved oxygen and temperatures (15-36℃). The result shows that the expended oxygen is the highest, 0.13mg/L. h, if pH is most suitable. A correlation exists between the mean velocities of the expended oxygen, the concentration of the dissolved oxygen and thetemperatures, and the regression equations are v = 0.1278e-0.8876(mg/L. h), v=0.0568 + （0.1265）/（1+885.5e-0.3066) (mg/L. h) respectively. The mean velocity of the expended oxygen tends to be stable if concentration of the dissolved oxygen and temperature are suitable. The amount of expended oxygen in each larvae stage is determined, with the Z2 and p stages being the highest.
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