离子对

Benzoin condensation reaction of benzaldehyde using simple imidazolium based ionic liquids as catalyst has been successfully achieved. The reaction factors such as solvent, base and ionic liquids have been studied in detail.

成功地实现了简单咪唑基离子液体对苯甲醛自缩合成苯偶姻的催化反应，以及详细探讨了溶剂、碱、离子液体种类及用量等各种影响因素。

As a novel inner surface processing method, grid enhanced plasma source ion implantation method can realize uniform inner surface ion implantation of a metal tube and metal binary compound can be produced.

栅极增强等离子体源离子注入一种新的金属管件内壁处理方法，该方法能够均匀地对金属管件内壁进行离子注入，并且能够生成二元金属化合物。

By using the electronic stopping power of Oen Robinson in the bipartition model of ion transport,the path lengths,reflection coefficients and range distributions have been calculated.

将Oen－Robinson电子阻止本领用于离子输运双群模型，计算了离子在固体中的径迹长度、反射系数和射程分布，并讨论了采用不同阻止本领对输运计算的影响。

The products of the ion/molecule reactions of butanone and propenol were determined by FTMS.

以丁酮、丙烯醇为例，采用FTMS对反应产物离子进行准确质量测定，验证了它们各自的分子离子反应结果。

That deeply discusses the specialty of calcium and fluoride in saliva and plaque, and makes clear the rule of conversion and reciprocity of it will be important meaning to clear the pathogenesis of caries, and advance remineralization of dental, and effectively process the forecast and prevent and therapy of caries.

深入探讨唾液、菌斑中氟离子、钙离子的生物学特性，研究其转换代谢规律、相互作用以及各种影响因素，对探明龋病的发病机理，促进牙齿硬组织的再矿化，有效地进行龋病的预测、预防和治疗等均有重要意义。

In the paper,the effects of the ion type,charge density and molecular weight of polyacrylamide on the retention of mineral fibers and the properties of the paper were studied.

研究了不同离子类型、离子度及相对分子质量的几种聚丙烯酰胺对矿物纤维留着及纸张性能的影响。

Chelation ion chromatography is suitable for the determination of trace metal ions in complex matrices.

螯合离子色谱可以对复杂基体中的痕量金属离子进行测定。

Alkylations of benzene with dodecene and/or chloromethane in the room temperature ionic liquid 1-methyl-3-butylimdazole chloride-aluminium chloride as catalyst have been investigated with high conversion and selectivity.

首次研究了在氯铝酸室温离子液体系中二甲苯与苯乙烯的烷基化反应制1-苯基1-二甲苯基乙烷及其衍生物。考察了离子液体催化剂量和反应条件的不同对产物组成及副产物数量的影响。

The essay introduces a new way to measure the total nitrogen of surface water in ion chromatograph .

本文提出了采用离子色谱法测定地表水中总氮的新方法，对离子色谱条件和流动相的选择进行了研究，方法具有良好的精确度、准确度，用于实际样品分析，结果令人满意。

The author also changes theproportion of Fe~(3+)、Cu~(2+) in total ions to study the complementariness of Fe~(3+)、Cu~(2+) in thesystem and proves that the replacement of the single catalytic ions with the complicatedSystem Fe~(3+)/Cu~(2+)/H_2O_2 has a good ability of the ability of counter assault against thechanges of pH value.

通过改变Fe~(3+)、Cu~(2+)在总离子中的不同比例，研究了Fe~(3+)、Cu~(2+)在体系中的相互补充、相互促进的作用，证明了用Fe~(3+)／Cu~(3+)／H_2O_2复合体系代替单一的催化离子能有效的对pH的变化起到很好的抗冲击的作用。

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。