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- macrocyelic polyamines 大环多胺
- Cyclohexanone and n-butanol as solvents,the process has been investigated to extract polyethylene polyamines. 以环己酮和正丁醇为溶剂，对多乙烯多胺萃取工艺进行了研究。
- Separation and analysis method of polyamines polyphenyl methane (MDA) by the LC ESI/MS was researched. 讨论了应用液相色谱 电喷雾质谱联用 (LC ESI/MS)分析多氨基多苯基甲烷的方法。
- The changes of polyamines during peanut leaf senescence of two different senescent type peanut varieties were studied. 在大田条件下以两个不同衰老型花生品种为材料，研究了叶片衰老过程中多胺的变化。
- Microwave Irradiation Accelerated Detosylations of Poly(P-tosyl) Macrocyclic Polyamines. 魏俊发; 石先莹; 何地平; 马别厚.
- Why the section of polyamines and calmodulin was edited into the chapter of plant growth substances? : 云南师范大学学报（自然科学版） 为什么把多胺和钙调素编入植物生长物质?
- The changes of the content of polyamines (PAs) were also investigated in the leaves of Hydrocharis dubia. 实验同时检测了镍胁迫下水鳖叶片内多胺的含量的变化。
- It showed that paclobutrazol decreased the polyamines in young leaves, but increased the polyamines in matrured leaves and delayed senescence at the same time. 结果证明多效唑对内源多胺的影响较复杂，多效唑降低了幼嫩叶片的多胺含量，却提高了成熟叶片衰老阶段的多胺含量，并起到延缓衰老的作用。
- Polyamines are a group of physiologically active substances in plants and their metabolic changes have a close relation to flower bud formation and development in high plants. 摘要多胺是植物体内一类生理活性物质，其代谢变化与高等植物的花芽形成和发育关系密切。
- Piperazine was separated from ethylenediamine byproduct polyethylene polyamines mixture by refrigeration and azeotrope distillation. 通过冷冻、共沸蒸馏,从多乙烯多胺混合物中分离出哌嗪。
- Conclusion: The content of the main polyamines compositions can be used to control the quality of Penis et Testis Cervi. 结论:多胺类成分含量可作为鹿鞭质量控制指标之一。
- Metal complex of macrocyclic polyamines can hydrolyze DNA and RNA, the ability depends on metal ions and their side groups conjugated to them. 大环多胺金属配合物能水解DNA、RNA,其水解能力跟金属离子和与其连接的基团密切相关。
- The effects of polyamines (CPA) with different molecular weights on function of starch/CPA complexes in papemaking of recycled pulp were investigated. 本文考察了聚胺(CPA)的分子量对淀粉/CPA复合物在废纸箱再生浆上作用效果的影响。
- Objective: To compare the content of the main polyamines compositions in 10 samples of Penis et Testis Cervi from different species and habitats. 目的:比较不同品种与产地的鹿鞭药材中3种多胺类成分的含量。
- New retention aids, polyaluminium chloride( PAC), polyaluminium silicate sulfate( PASS), polyamines and alum_ cationic polymer system have been developed for neutral rosin sizing. 为了适应中性松香造纸施胶的发展,聚合氯化铝(AC)碱式聚合硅酸硫酸铝(ASS)聚胺和硫酸铝-阳离子聚合物体系等新沉淀剂被开发和研究。
- Objective To study the role of polyamines (putrescine, spermidine and spermine) in regulating ornithine decarboxylase (ODC) protein levels in the early regenerating liver of rats. 摘要 目的 研究多胺(腐胺、精脒和精胺)对大鼠再生肝鸟氨酸脱羧酶(ODC)蛋白水平的调节，分析多胺在肝再生中的作用。
- Polyamines, mainly including putrescine (Put), spermidine (Spd), spermine (Spm), are ubiquitous lowmolecular aliphatic amines generated in organism metabolism. 多胺(Polyamines)是生物代谢过程中产生的一类具有生物活性的低分子量脂肪族含氮碱，主要包括腐胺(Put)、亚精胺(Spd)和精胺(Spm)。
- Conclusion Polyamines(especially spermine and spermine) of different concentrations are involved in feedback regulating ODC gene transcription in rat regenerating hepatocytes. 结论 不同浓度的多胺(主要是精脒和精胺)对大鼠再生肝细胞ODC基因转录存在着反馈调节作用。
- New retention aids, polyaluminium chloride (PAC), polyaluminium silicate sulfate (PASS), polyamines and alum_cationic polymer system have been developed for neutral rosin sizing. 为了适应中性松香造纸施胶的发展,聚合氯化铝(PAC)、碱式聚合硅酸硫酸铝(PASS)、聚胺和硫酸铝-阳离子聚合物体系等新沉淀剂被开发和研究。
- By spraying different concentrations paclobutrazol on the intactpeanut leaves of middle stage in the field,the changes of polyamines and some physiological indexes were studied. 通过对大田条件下生殖生长期花生喷施不同浓度的多效唑，研究了多效唑对叶片内源多胺及其它衰老指标的影响。
