亚精胺

At the stage of rapid cell expansion of longan fruit, the contents of free putrescine, sperdimine and spermine in aril rose rapidly, and maintained at a high level.

在果实迅速膨大期，假种皮内游离的腐胺、亚精胺、精胺含量迅速上升，并处在较高的水平。

With halophyte saltbush as material, the effects of exogenous spermidine and its biosynthetic inhibitor dicyclohexyl amine on the salt resistance of saltbush under salt stress were researched.

方法］以盐生植物滨藜为材料，研究外源亚精胺及其生物合成抑制剂二环己基胺对盐胁迫下滨藜抗盐性的影响。

Endogenous cadavarine content in female flower from megaspore mother cell stage to female flower maturation was higher than those in m...

亚精胺和腐胺含量随着大小孢子四分体形成和大孢子核的连续分裂而分别表现下降和上升。

Moreover,the endogenous putrescine and spermine titers were alsogreater in ultra-dried onion seed than that in the control.

超干种子内源多胺总量及精胺和腐胺含量显著高于对照种子，而亚精胺含量差异不大。

At the early stage of longan fruit growth (5 days after anthesis) the contents of putrescine and spermidine were rather higher in young fruit but decreased with the fruit development.

在龙眼果实发育早期（花后5d），幼果中腐胺、亚精胺含量较高，随着果实发育而下降。

Fertilization of exogenous spermidine could reverse the salt stress effect of NaCl on saltbush and the effect of fertilizing exogenous DCHA was opposite.

结论］外施亚精胺可逆转NaCl对滨藜的盐胁迫效应，外施DCHA的作用则相反。

Experiments showed that the contents of putrescine、spermidineand sperminein normal ovules were higher than those inabortive ones during the whole embryogenetic process.The highest levelswere reached 7 days after anthesis,with Put being the richest of thethree,then they declined.

试验结果表明：正常发育的胚珠中腐胺、亚精胺和精胺的含量在胚胎发育的各个阶段均高于败育胚珠，并在花后7d即达到最高值，其中Put的含量最高，随后都呈下降趋势。

The effect of dexamethasone on gene expression of spermidine synthase in regenerating rat hepatocytes was investigated by in situ hybridization.

采用原位杂交技术研究地塞米松对大鼠再生肝细胞亚精胺合成酶(spermidine syathase， SPDS)基因表达的影响。

The results showed that the treatment with spermidine promoted the activities greatly of SOD、POD and photosynthetic intensity but reduced the stomatal resistance to some extent ...

结果表明，亚精胺处理大大提高玉米幼苗中SOD、POD的活性以及光合强度，适当减小气孔阻力，故亚精胺可以提高玉米幼苗的抗旱性。

The effects of calcium and spermidine on the growth, electrolyte leakage, ion contents and polyamine levels of maize seedlings under NaCl stress were investigated.

研究了钙离子和亚精胺对盐胁迫条件下玉米幼苗生长状况、电解质渗漏、离子含量和多胺水平的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。