Acids with different cation were distinguishingly different in activation energy and frequency factor distribution.

不同阳离子同种羧酸盐，活能和频率因子分布却相差很大。

C36CH2 cations have antiaromaticity with negative resonance energy, whereas C36CH2 anions have aromaticity with positive resonance energy.

反之，C36CH2阴离子因共振能为正有较高芳香性和稳定性。

A method for the determination of trace cations in the tetramethylammonium chloride was developed by ion chromatography(IC) with conductivity detector.

文章采用离子色谱法测定高浓度四甲基氯铵中钠、钾和钙金属离子。

Taking the example of the homoaromaticity of cyclooctriene cation and imidazole and oxazole basicity,the essay discusses the application of resonance theory.

文中以环辛三烯正离子同芳香性和咪与碱性为例,讨论了共振论应用。

Isopropenyl acetate was synthesized from ketene and acetone by direct esterification using strong acidic cation-exchange resin to substitute H2SO4 as catalyst.

以乙烯酮和丙酮为原料,用强酸性离子交换树脂代替浓硫酸作为催剂,直接酯合成乙酰丙酮中间体乙酸异丙烯酯。

Binding energy and interaction potential of calcium cation and diazine ring are based on the calculation of all the complexes of optimized structures.

对优得到稳定配合物计算了钙离子与二嗪结合能和相互作用势.

The resultant ionized bond can be cleaved by a hemi-heterolysis process, affording a cation and a neutral radical.

生成离子键能由半异裂过程开裂，提供一个正离子和一个中性游离基。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强酸性阳离子交换树脂为催剂,十三碳二元酸与乙醇为原料合成十三碳二元酸二乙酯,考察了影响反应因素。