cations

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值而具有较高芳香和稳定。

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

不同离子同种羧酸盐，活化能和频率因子分布却相差很大。

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

生成离子化键能由半异裂过程而开裂，提供一个正离子和一个中游离基。

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化铵中钠、钾和钙金属离子。

Structure of pneumatic material c lamping device and pneumatic system have been introduced with ex-pounding appli cation in a notching press.

介绍对气动压料装置结构及气动系统,以及气动压料装置在冲槽机上应用。

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和咪唑与恶唑为例,讨论了共振论应用。

Isobornyl ethyl ether was prepared by the catalytic ethoxylation of camphene with ethyl alcohol in the presence of cation exchange resin fixed bed.

莰烯在离子树脂固定床催化下与乙醇反应生成异菠基乙醚。

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

对优化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.

When metal-bearing solution moved along deep faults to cavities or frac tures, the metal cations reated with pyrite and organic matter and precipitated as sulfid...

在构造减压带中，铅锌配合物代地层中黄铁矿或被有机质还原而沉淀富集。

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.

以强酸离子树脂为催化剂,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。