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研究了镨 (Pr)对青虾 (Macrobrachiumnipponense)卵子孵化出氵蚤状幼体的影响 ,结果表明 :Pr3 + 的最佳质量浓度为 0 4～ 1 6mg/L ,可提高孵化率 12 4%～ 2 0 3%。青虾卵子对Pr3 + 的饱和吸收量为 9 2 μg/粒 ,饱和吸收率为 36 8%。
The effect of praseodymium (Pr) on the hatching behavior of eggs from young shrimp (Macrobrachium nipponense) was studied. The results showed that the optimum concentration of Pr3 + was 0 4 ~ 16 mg / L, which increased the hatchability of 12 4% ~ 2 0 3%. The freshwater shrimp egg Pr9 + saturated absorption of 9 2 μg / grain, saturated absorption rate of 36 8%.