离子对

Therefor the key of gaining more sulfurs from sulfide is the strict controlling of the temperature and current.

实验结果表明：电流密度、温度、氢氧根离子浓度、硫氢根离子浓度和电解液的流速等对电解反应都将产生一定的影响；其中电流密度和温度对电解反应的影响最大，对于循环溶液的电解反应，严格控制温度和电流密度，是获得较高转化率的关键。

Spherical composite inorganic ion-exchanger s,hydrated titanium dioxide-hydrated antimony pentoxide,were prepared using sol-gel method and their ion exchange properties for Sr 2+and Cs + as well as their composition,structure and stability were investigated in this paper.

用溶胶 凝胶的方法制备了水合二氧化钛水合五氧化二锑球形复合无机离子交换剂，研究了其对Sr2 +和Cs+的离子交换性能，并对其组成、结构及稳定性作了初步的研究。

The immobilizing effects of red mud by bayer process is much better than by sintering process under different concentration of application, because of the smaller particle size, larger surface area, higher content of Fe2O3 and Al2O3.The adsorption capacity of red mud and zeolite to Cd was very large.

通过钝化剂对溶液中Cd离子的吸附解吸试验表明：赤泥、沸石对Cd离子具有很大的吸附容量和较强的吸附亲和力；只有不到25%的吸附镉为水溶态和可交换态，而绝大部分吸附的镉(50%以上)为与赤泥结合稳定的、不易为生物利用的形态。

The adsorbed ability of chaff to the heavy metals ion excelled that of beer yeast.

谷壳对重金属离子的吸附效果好于酵母菌对重金属离子的吸附。

The mPSCs induced by GABA released from the presynaptic boutons could be completely and reversibly blocked by 5μM bicuculline, which is the specific antagonist of GABAA receptor. These results indicate that GABA released from the presynaptic boutons may produce modulatory effects through binding with GABAA receptor on postsynaptic Vme neurons.

以上结果表明：突触前终扣内释放的GABA与分布于突触后的GABAA受体结合从而发挥对Vme神经元的调控作用，GABAA受体激活后，氯离子通道开放，Vme神经元胞体内外氯离子流动构成了GABA对Vme神经元的作用基础。

Based on the introduction of the basic principle and theory of the process, the influences of pH values, metal/polymer ratio, complexation of metallic species simultaneously and ionic strength on complexing process were discussed, At the same time, the effects of temperature, pressure, flow velocity and polymer concentration on ultrafiltration process were concerned, and the regeneration of polymer was also discussed briefly.

阐述了该工艺的基本原理和基本理论，讨论了pH、金属／聚合物比、同时络合多种金属离子和离子强度等因素对络合过程的作用，并分析了温度、压力、流速和聚合物浓度对超滤过程的影响，简述了影响聚合物再生的主要方面。

Based on the introduction of the basic principle and theory of the process,the influences of pH values,metal/polymer ratio, complexation of metallic species simultaneously and ionic strength on complexing process were discussed.

阐述了该工艺的基本原理和基本理论，讨论了pH、金属/聚合物比、同时络合多种金属离子和离子强度等因素对络合过程的作用，并分析了温度、压力、流速和聚合物浓度对超滤过程的影响，简述了影响聚合物再生的主要方面。

The influence of the doped content of Tb3+ ions on the emission intensity was also investigated and the concentration quench occurs when the doped content of Tb3+ ions is beyond 9%, which can be explained by electric multipole-multipole interaction according to Dexters theory.

考察了掺杂离子浓度对样品发光效率的影响，Tb3+的最佳掺杂摩尔分数为9%，分析了其自身浓度猝灭机理，探讨了敏化剂Ce3+离子的加入对荧光粉发光强度的影响。

And 17 were capable of detecting specific metal ions by showing dramatic enhancement of fluorescence. In contrast with 15 and 17, the fluorescence signals of 13 and 14 were inefficiently altered by metal ions. Hence, 15 and 17 were further investigated with detailed 1H-NMR, UV-vis, and fluorescence titrations.

其中，15和17对特定金属离子有明显的侦测能力，混合后萤光强度会大幅增强，但13及14与金属离子混合后，萤光讯号的改变幅度不如15及17的显著，因此我们只对15和17进行详细的1H-NMR、UV-vis及萤光光谱的滴定。

Then we introduce theory of ion-exchange process and how to design multimode Y branch optical splitters. Lastly we do some experiment of how to fabricate the device with Li~+-Na~+ ion-exchange technology.

本文首先比较了多模功分器的种类和制作方法，介绍了离子交换的原理，然后对多模Y分支结构的多模光功分器进行设计，并对器件制作所用的Li~+-Na~+离子交换工艺进行实验研究。

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。