查询词典 ions

Factors including pH, concentrations of heavy metals, dosages of minerals, ionic strength and temperature were studied and the results indicated that nepheline syenite and olivine had significantly higher capacity of absorbing heavy metal ions than glacimarine clay since they possessed stronger neutralization ability to acidic solution.

考察的因素包括溶液pH值、重金属离子浓度、矿物用量、离子强度、温度等，并得出结论，霞石正长岩和橄榄石吸附重金属离子的能力明显强于冰海粘土。通过理论分析表明，导致这一现象的原因为霞石正长岩和橄榄石对酸性溶液具有更强的中和能力。

Nitro Nitryl positive ions called cations.

硝基的正离子叫硝酰正离子。

WithinPMAO LB films,because the distance between the metal ions is no morethan 0.3nm,the carboxylate groups of a molecule form a nanoparticle(the size is less than 0.2nm)by the hydrogen bond or metal ion asthe bridges.

实验表明，在这种高羧基密度的聚合物中，由于羧基距离较近(＜0.3nm)，羧基通过氢键或金属离了为桥在分子内聚集成纳米团簇(＜2nm)。

There are no known negative side effects of negative ions.

没有已知的负离子的负面影响。

An apparatus for the collision of noble gas ions with C〓 and film deposition wasset up.

建立了一套等离子体惰性气体离子与C〓碰撞成膜装置。

Therefore,it can be used as an effectivemethod to study the local coordination environment of metal ions in biologicalsamples of noncrystalline or low concentration,which cannot be done with X-ray and NMR techniques.

因此它可以作为一种研究低浓度、非晶态生物样品中金属离子的局部配位环境的有效手段，发挥X-射线衍射技术和核磁共振技术所发挥不到的作用。

The metal ions form ionic bonds, which are nondirectional, with oxygen atoms that previously had been bonded rigidly to specific Si atoms.

金属离子与氧原子形成无方向性的离子键，而氧原子之前一直牢固结合在特殊的硅原子上。

The Molar conductivity indicates that all the complexes are nonelectrolyte. IR spectra show the ligand is bonded with RE ion through its oxygen atom in hydroxyl group of phenol; NO3 is coordinated as a symmetrical chelating bidentate group; the coordinated atoms of DMF and DMSO are the oxygen atoms in carbonyl and sulfoxyl groups. Fluorescence spectrum suggests that the Tb3+complexes have characteristic luminescence and its fluorescence intensity is enhanced after doping with La3+, Gd3+, Y3+, influence of doping ions and neutral ligands have also been discussed.

摩尔电导率表明，所有配合物均为非电解质；红外光谱及核磁共振氢谱表明，对叔丁基杯[8]芳烃通过酚羟基的氧原子与稀土离子配位；硝酸根为双齿螯合配位；DMF和DMSO则分别通过羰基氧和亚砜基氧与稀土离子配位；配合物的荧光光谱表明，所有Tb的配合物具有较强的特征荧光，掺杂La~(3+)、Gd~(3+)、Y~(3+)离子对Tb~(3+)的荧光有较强的增强作用。

It was reported that Indium complex had anti-cancer activity.The electronic structure of Indium is4d~25s~1 and its ions forms are of In and In.In can form easily octahedral complex with chelating atoms.

有报道称铟的配合物能与DNA作用且有抗癌活性，铟最外层具有4d~25s~1结构，其离子常见价态为In，In，并易形成六配位的八面体结构配合物。

In most of cobalt coordination polymers, Co ions are six-coordinated in an octahedral symmetry, whereas five-coordinated ones are seldom.

在大多数的钴配位聚合物中，Co离子是六配位八面体对称性，然而五配位的很少。

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。