tetrahedral coordination

The results show that it has regular structure and Ti mostly exists in the form of tetrahedral coordination in the framework.

结果表明该分子筛具有规则的骨架结构，Ti全部以四配位的形式存在于骨架中。

The experimental results show that titanium oxide species exist in a tetrahedral coordination within Ti-MCM-41 with low Ti-content.

结果表明在低钛含量的Ti-MCM-41中，大部分是以四配位存在的。

The results indicate that for the glasses studied Fe~ ( 2+) and Fe~ ( 3+) ions are in both tetrahedral and octahedral coordination in the matrix;

研究结果表明：Fe~（2+）和Fe~（3+）离子都可处于四、六两种配位状态；

In the typical tetrahedral geometry, the coordination bond length formed from between B and N on the pyridyl is the most longest.

在四面体构型中，中心B原子与吡啶环上的N原子形成了配位键，且配位键的键长在B原子与临近配体所形成的键长中最长。