离子对

lí zǐ duì
  • ion pair
离子对离子对
  1. 穿心莲内酯类化合物的分析研究&Ⅰ.穿心莲内酯(Andrographolide)衍生物的离子对高速液相色谱法分析

    Analysis of andrographolide compounds ⅰ . ion pair high performance liquid chromatographic analysis of andrographolide derivatives

  2. 这种低活性形态在正己烷中可能是共价键结构和紧密离子对,在正己烷/THF混合溶剂中可能是外溶剂化离子对。

    The lower active species should be covalent and tightly bound ion pair in hexane and external solvation ion pair in mixtures of hexane and THF .

  3. 白菜DNA甲基化水平的反相离子对高效液相色谱法研究

    RP ion-pair HPLC determination of methylation level of DNA of Chinese Cabbage

  4. 盐离子对DNA延伸力的影响

    The influence of salt on stretching force of DNA

  5. 盐酸多巴酚丁胺及有关物质的反相离子对HPLC法测定

    Determination of Dobutamine Hydrochloride and Its Related Substances by RP-Ion Pair-HPLC

  6. (OH)~-离子对F2~+心的稳定作用

    The effects of ( oh ) ~ - on stabilization of f_2 ~ + - centers

  7. 建立了反相离子对HPLC法测定麦滋林颗粒中薁磺酸钠含量。

    A HPLC method for determination of sodium azulene sulfonate in Marzulene-S granules was established .

  8. 膜外二价离子对Na通道激活过程的影响

    Effect of External Divalent Cations on the Activation Process of Na ─ channels

  9. 方法RP-HPLC离子对梯度洗脱法。

    Method Ion-pairs along with gradient elution HPLC method was proposed .

  10. 钙、钠离子对心房T波(Ta波)的影响

    Effect of calcium and sodium ions on atrial t ( ta ) wave

  11. 不同金属离子对Vc引发的小鼠肝匀浆自由基反应的影响

    The Action of Different Kinds of Ions on Free Radical Reaction Induced by Vc in Rat Liver Homogenate

  12. 用分子模拟技术(MolecularModeling)对离子对体系的立体结构进行了研究,为理解离子对体系的各种物理化学行为提供了重要的参考。

    The ion pair system has been modeled using the Molecular Modeling technique , providing some important information for understanding the physicochemical behaviors of the ion pair systems .

  13. 异离子对β-C2S的稳定性及显微结构的影响

    Effect of Impurity Ions on the Stability and Microstructure of β - C_2S

  14. 钙离子对NaCl诱导的玉米幼苗的伤害效应的降低作用

    Reduction by ca ~ ( 2 + ) of nacl & induced injury effect in the seedings of Zea mays

  15. 目的:采用离子对高效液相色谱法测定复合维生素B片中烟酰胺、维生素B6、维生素B2、维生素B1等4种水溶性维生素的含量。

    OBJECTIVE To develop an HPLC method for the determination of four vitamins in compound vitamin B tablets .

  16. 卤素离子对喹哪啶酸SERS光谱的影响

    The Effect of Halide Ions on SERS from Quinaldinic Acid Adsorbed on Colloidal Silver Surfaces

  17. 镁离子对小鼠CCl4实验性肝损伤的保护作用

    The protection of Mg ~ ( 2 + ) to experimental hepatic injury

  18. 纳米掺杂剂中Mn离子对BaTiO3基多层陶瓷电容器瓷料的影响

    Effect of Mn ion in nano-dopant on batio_3-based dielectrics for multilayer ceramic capacitor

  19. 为进一步研究该酶的性质,本实验以对硝基苯乙酸酯为底物测定了温度、pH、金属离子对酶活性的影响。

    In order to ascertain the nature of the pyrethroid hydrolase concerned , effects of temperature , pH and different metal ions on enzyme activities were assayed , with 4-nitrophenyl acetate as a substrate .

  20. 实验了pH值、有机溶剂、放置时间和干扰离子对测定的影响,该法简便快速,可用于相关药品检验,与药典方法对照,结果吻合。

    Effects of pH , organic solvents and foreign ions on the determination of both drugs were examined . This method was rapid and simple and can be used for determining carvedilol and ampicillin sodium .

  21. 研究了尼罗罗非鱼(Oreochromisniloticus)肝脏淀粉酶的基本性质及金属离子对该鱼淀粉酶活性的影响。

    Properties of amylase from Nile tilapia ( Oreochromis niloticus ) was studies in this paper .

  22. 稀土金属离子对梨形四膜虫(TetrahymenaPyriformis)的生长毒性

    GROWTH TOXICITY OF RARE EARTH ELEMENT IONS TO Tetrahymena pyriformis

  23. 研究了高LET的碳离子对V79细胞和B16细胞的低剂量效应。

    The effects of high LET carbon ions irradiation with low dose on V_79 Chinese hamster cells and B_16 melanoma cells were investigated in this paper .

  24. 外加金属离子对cyt-c电化学行为有抑制作用。

    However , electrochemical activities of cyt-c are inhibited by exterior metal ions .

  25. H~+和SO4~(2-)离子对PbO2电极上ClO4~-阳极形成过程的影响

    The influence of H + and so 2 - 4 ions on anodic formation of ClO - 4 ion at PbO 2 electrode

  26. 支持电解质的卤素负离子对紫精化合物的还原电位有影响,其影响能力的顺序为:I ̄->Br ̄->Cl ̄->F ̄-。

    The halogen anions of supporting electrolytes influence the reduction potentials of viologen compounds , the order is I  ̄ - > Br  ̄ - > Cl  ̄ - > F  ̄ - .

  27. 低氧时钙离子对冠状动脉内皮细胞释放ET-1、NO、PGI2的影响

    Effects of Ca ~ ( 2 + ) on the releases of ET-1 , NO and PGI_2 from bovine coronary artery endothelial cells during hypoxia

  28. 氯离子对鲫鱼Mauthner细胞胞内皮肤反应的影响

    Effect of Chloridion on Intracellular Potential in Crucian Carps ' Mauthner Cell Evoked by Skin Stimulation

  29. 通过外推得到的大块KBr在凝固温度下的临界核约为45对K~+Br~-离子对,这个结果与NaCl的实验值相近。

    The critical nucleus size at bulk freezing temperature obtained by extrapolation is about 45 K ~ + Br ~ - ionic pairs , which is comparable to the experimental value of NaCl .

  30. 钙离子对新生大鼠脑缺氧缺血后C-AMP反应元件结合蛋白磷酸化的影响

    Influence of Ca ~ ( 2 + ) on the phosphorylation of C-AMP response element bindin in neonatal rats after hypoxic-ischemia