可见,重金属Cr6+胁迫下,破坏了水花生愈伤组织内多胺代谢平衡,造成多胺（polyamines,PAs）大量积累,较高的内源PAs在提高愈伤组织抵抗Cr6+胁迫能力的过程中发挥重要作用.
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Polyethylene-polyamines 多乙烯多胺
Amines & Polyamines 胺 ; 聚胺类
noncovalently conjugated polyamines 共价结合态多胺 ; 上的非共价结合态多胺
polyamines conjugate 多胺缀合物
main polyamines 多胺类
bio-polyamines 生物多胺
root polyamines 根系多胺
The activities of ADC and ODC and polyamine contents decreased after the seedlings were recovery growth for three days under normal temperature.
常温恢复生长3天后，多胺含量和合成酶活性下降。
参考来源 - 玉米种胚和幼苗内多胺调控与耐寒性的关系The graft copolymerization of acrylamide monomer onto polyamide polyamine epichlorohydrin(PAE) was performed in solution polymerization process.
利用溶液聚合的方法,使丙烯酰胺单体与不饱和聚酰胺多胺环氧氯丙烷树脂接枝共聚。
参考来源 - PAE与丙烯酰胺接枝共聚改性的研究The elution behaviour of chromate from PEI/SiO_2 also was tested. The experimental results show that the grafted polyamine macromolecules PEI are protonated in water,and PEI/SiO_2 produced stronger adsorption action by right of electrostatic interaction for chromate ions.
实验结果表明,接枝的聚胺大分子在水介质中发生质子化,凭借静电相互作用,接枝微粒PEI/SiO_2对水溶液中的铬酸根阴离子可产生较强的吸附作用。
参考来源 - 基于聚乙烯亚胺的铬酸根离子复合型吸附材料的制备及其吸附性能的研究The formation mechanisms and the functions of starch/polyamine complexes in the papermaking wet end were discussed. The results obtained in this study enriched the theories of polymer interface science.
第五章中测定了淀粉／聚胺复合物复合前后的粘度变化及其在纸浆上的吸附量和类别，用扫描电镜、红外、紫外光谱仪等仪器观察了淀粉／聚胺复合物的物理、化学变化，以及复合物与纤维间的相互作用，探讨了淀粉／聚胺复合物的形成机理和在造纸湿部中的作用机理，丰富了高分子界面科学理论。
参考来源 - 新型淀粉基造纸助剂的研制及作用机理研究·2,447,543篇论文数据，部分数据来源于NoteExpress
As physiological active materials, polyamines have a close relationship with the senescence of plants.
多胺作为生理活性物质与植物衰老关系密切。
Results: The contents of total Polyamine and 3 kinds of polyamines compositions in all samples were different.
结果：不同样品的3种多胺类成份及总多胺含量均有一定差异。
Conclusion: Thisanalysis method is simple and can be well used to determine the polyamines in rat's early pregnancy tissue.
结论：该方法简便、灵敏，完全能满足大鼠早孕组织中多胺含量测定的需要。
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