农业科学

• 精胺

  R0, Vmax, and ECs were significantly correlated with the physiological activities(ATPase activity and the content of spermidine and spermine) of the grains in early grain filling period.

  R0、Vmax、V和ECs与灌浆初期的籽粒生理活性（ATP酶活性、亚精胺和精胺含量）密切相关。

生物学

• 精胺

  The effects of spermine on capaciation and acrosome reaction of cricket sperm have been determined under light microscope.

  通过体外培养的方法，在光镜水平上测定了精胺对蟋蟀精子获能和顶体反应的影响。