阴离子的

The properties of surface chemistry and micellar aggregation number of a special anionic surfactant with two hydrophilic head groups linked by a rigid structure- disodium hexadecyl diphenyl ether disulfonate (C16-MADS) was determined respectively.

测定了由刚性基团联接的特殊双亲水基型阴离子表面活性剂——十六烷基二苯醚二磺酸钠(C16- MADS)的表面化学性能及胶束聚集数，并考察了表面活性剂浓度和体系温度对Nm的影响。

The concentration of liquid hydrocarbon B is 10%.the dosage of hydrophobe is 15%~20%. The condensation and used environment of defoaming agent were studied ,the experiments show that self-made defoamer can be the same with many bubbly systems,such as anion, zwitterions, Nonionic bubbly liquid et al.and it can be used from acidity to alkalescence conditions.the fitting dosage is 9‰～10‰to polyester,6‰to siloxane-polyester copolymer,and 3‰to mulriple defoamer.

对消泡剂的投加浓度、适用环境等作了相关应用研究，结论为：消泡剂适用的起泡体系较广，阴离子、两性离子、非离子型起泡液均可使用；适用PH值范围可从酸性至弱碱性，适宜加入量为(以占起泡体系的体积分数计)：聚醚酯消泡剂9-10‰，有机硅改性聚醚酯消泡剂6‰，复配消泡剂3‰。

The leaf had better scavenging DPPH, reducing power, superoxide anion and H2O2 radical than other parts of Morus alba.

至於在特定自由基的清除能力上，桑枝有较佳的氢氧自由基清除能力，桑叶则对超氧阴离子及过氧化氢有较佳的清除能力。

Based on synthesis of six naphthyl substituted urea and thiourea open-chained compounds, the interaction of these compounds as host molecules with several anionic guests in molecular level were studied via absorption, fluorescence and 〓HNMR spectra.

二、在设计合成六种萘取代的脲及硫脲类多足开链化合物的基础上，利用吸收光谱、荧光光谱及〓H NMR波谱手段详细研究了该类化合物作为主体分子与不同种类阴离子客体分子间的相互作用。

Our study demonstrated that pyrrolic amide, which not only has self-assembly ability via hydrogen bonding but also can recognize anionic specis, is a versatile molecule and would has potential application in supramolecular chemistry.

研究表明，吡咯酰胺化合物不仅具有良好的氢键自组装能力，还是一类新的中性阴离子识别主体，在超分子化学方面将会有很好的应用前景。

It was based on the enhancement of the intensity of RLS by the synergistical action of phloxine B,fsDNA and cetyltimethylammonium bromide.

研究了阴离子染料荧光桃红 B对鱼精脱氧核糖核酸和阳离子表面活性剂溴化十六烷基三甲铵的共振光散射光谱有协同增强作用，建立了一种定量测定fsDNA的灵敏度高、操作简便的共振光散射方法。

A highly sensitive resonance light scattering method for the determination of fsDNA was developed. It was based on the enhancement of the intensity of RLS by the synergistical action of phloxine B, fsDNA and cetyltimethylammonium bromide.

研究了阴离子染料荧光桃红B对鱼精脱氧核糖核酸和阳离子表面活性剂嗅化十六烷基三甲按的共振光散射光谱有协同增强作用，建立了一种定量测定fsDNA的灵敏度高、操作简便的共振光散射方法。

It has been found that the interlayer distance increases first and then decreases with the increase of pH value,which is due to the change of orientation of tartaric anions and malic anions in the interlayer region.

结果显示，随着pH值的升高，插层LDHs层间距先增大后减小，这是由于客体阴离子在LDHs层间的排布方式不同造成的。

The stability of nano-alumina aqueous dispersion is tokened by spectrophotometer and particle size distribution instrument. It is proved that when condition is dispersant PMAA =0.4%, pH =9, nano-γ-alumina content = 4%,ultrasonic for twenty minites, excellent stable nano-alumina aqueous dispersion can be acquired.

用分光光度计和粒度分析仪表征了纳米粒子水分散液的稳定性，结果表明纳米γ相Al2O3浓度为4%，分散剂为阴离子聚电解质，用量0.4%，PH=9，采用超声波分散20分钟得到最好的分散效果，纳米颗粒的平均粒径为205nm。

This paper seeks to review the toxical effects of drugs that influence the hemodynamics of kidney, organic anions and cations, mycotoxins, elemental contaminants on the developing kidney and the manifestations of toxic nephropathy.

本文就影响肾脏血流动力学的药物、有机阴离子和有机阳离子、真菌毒素、环境污染物等具体毒素对未成熟肾脏的影响及其临床表现的研究进展作一综述。

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。