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However, only about one-third of the soluble calcium and magnesium is ionized, the remainder is bound to citrate, phosphate and bicarbonate in a number of complex undissociated ions, e.g.

然而实际上只有13的钙和镁以离子形式存在，蓁的全为部以复杂离子的形式与柠檬酸盐、磷酸盐和重碳酸协结合，如Ca柠檬酸盐离子

However, only about one-third of the soluble ca lcium and magnesium is ionized, the remainder is bound to citrate, phosphate and bi ca rbonate in a number of complex undissociated ions, e.g.

然而实际上只有1\3的钙和镁以离子形式存在，蓁的全为部以复杂离子的形式与柠檬酸盐、磷酸盐和重碳酸协结合，如Ca柠檬酸盐离子

Following Randall and Failey, some assumptions about the activity coefficients of the ions of o-nitrobenzoic acid in salt solutions were made and thereby it was possible to calculate the activity coefficients of its undissociated molecules in these solutions.

关于邻硝基苯甲酸根离子在这些盐溶液中的平均活度系数，作者仿照前人作某些假設，从而計算出該酸的未离解分子在盐溶液中的活度系数f_u。

Chelating resin in theminicolumns filling material be much more applied to preconcentration trace heavy elements,for that functionalization with much novel groups, that have advantages such as thatsynthesize simple, price unexpensive, biggish adsorption capability, interfere few, betterstability and strong conmbination with metal ions.

在微型柱的填充材料中高分子螯合树脂由于高分子效应又增添了许多新的功能，具有合成简便、价格低廉、吸附容量大、干扰少和稳定性好与金属离子的结合能力强等优点因而适用于从环境样品中选择性地富集痕量重金属离子。

It is ultra-fine powder of antibacterial effect with high quality synthetic zeolite catalyst, with silver antibacterial effect of zinc and other metal ions to form a uniform dispersion stability to the frame structure of zeolite.

它是以优质合成沸石为载体，把具有抗菌作用的银锌等多种金属离子以稳定的形态均匀地分布到沸石的架状结构中，以及多种助剂复合而成的具有抗菌作用的超微细粉末。

The reactions are all exothermic due to the participation of the metal ions, to be compared with the strong endothermic process of the unimolecular CO2 decomposition.

因为有金属离子的参与，使单分子CO2的强吸热分解反应变为生成CO和MO的放热过程。

The state of soluble univalent ions of Na(superscript +) and K(superscript +) is very stable and almost unaffected by thermal oxidation treatment.

一价可溶性离子Na和K非常稳定，热氧化处理基本上不改变其在氮化硅颗粒表面的存在状态。

Free radicals are the dissociative molecules,atoms or ions with unpaired electron,having an active chemical property.

自由基是游离存在的、带有不成对电子的分子、原子或离子，其化学性质很活泼。

The desorption experiment and FTIR analysis further demonstrated that the active functional groups in coal reacted with uranyl ions, and formed complexing and chemistry adsorption.

脱附实验和红外光谱分析进一步证明，煤中活性官能团与铀酰离子发生了明显的化学吸附/络合作用。

A characteristic peak at 885cm~(-1) is found in the infrared Spectroscopy of adsorption of uranyl ions by both B_4-1(2) and B_4-4(2) resins.

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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。