射线分析显示化合物1和2的晶体结构均由分子间氢键和-弱相互作用堆积而成的二维层状结构。
The X-ray analysis reveals that the crystal structures of compounds 1 and 2 are two-dimensional layer structures through intramolecular hydrogen bonding and -? stacking.
本文简要介绍了液氦表面、半导体表面空间电荷层和化合物半导体异质结界面的二维电子气。
This paper reviews two dimensional electron gas formed on the liquid helium surface, the semiconductor surface space charge layer and the compound semiconductor heterojunction interface.
采用高分辨质谱和二维核磁共振谱等光谱技术，确定了该化合物的化学结构。
Through high-resolution mass spectrometry and two-dimensional NMR spectroscopy, the invention determines the chemical structure of the compound.
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