n.同质异能性；同分异构（性，现象）；同素异性

The compound exhibits structural isomerism, meaning it has multiple forms with the same molecular formula but different structures.
这种化合物表现出结构异构现象，即具有相同的分子式但结构不同的多种形式。
Stereoisomers are important in organic chemistry as they can have different physical and chemical properties despite having the same connectivity of atoms.
顺反异构体在有机化学中很重要，尽管原子的连接方式相同，它们仍可能具有不同的物理和化学性质。
In the field of pharmaceuticals, understanding the differences between enantiomers (a type of stereoisomer) can be crucial for drug efficacy and safety.
在制药领域，了解对映体（一种立体异构体）之间的差异对于药物的有效性和安全性至关重要。
Ethanol and methanol are examples of structural isomers, differing only in their hydrogen atom arrangements.
乙醇和甲醇是结构异构体的例子，它们仅在氢原子排列上有所不同。
Through X-ray crystallography, scientists were able to determine the spatial arrangement of atoms in a particular isomer, revealing its unique structure.
通过X射线晶体学，科学家们能够确定特定异构体中原子的空间排列，揭示了其独特的结构。
The concept of isomerism helps chemists predict the potential outcomes of reactions, including the formation of different isomers as products.
异构体的概念帮助化学家预测反应的潜在结果，包括作为产物形成不同异构体的可能性。
Isomerism is not just limited to carbon-based molecules; even simple compounds like water exhibit different isomers under certain conditions.
异构体不仅限于碳基分子；即使简单的化合物如水，在某些条件下也会表现出不同的异构体。
In the study of polymers, understanding the isomerism of monomers is crucial for predicting the properties of the resulting polymer chains.
在聚合物研究中，理解单体的异构体对于预测最终聚合物链的性质至关重要。
In organic synthesis, chemists often aim to synthesize specific isomers due to their unique properties or applications in industry.
在有机合成中，化学家往往旨在合成特定的异构体，因为它们具有独特的性质或在工业中的应用。
The phenomenon of cis-trans isomerism is particularly significant in biological systems, influencing the activity and function of certain proteins and enzymes.
转化异构体现象在生物系统中尤为重要，影响着某些蛋白质和酶的活性和功能。