With several examples of single crystal structures of compounds incorporating aromatic rings, the criterion of the centroids distance of 0.
通过一些晶体结构的实例指出，目前广泛采用的质心距小于0。
Five crystal structures are determined by CCD diffractometer after the single crystals were grown by slow evaporation at room temperature.
用溶剂自然挥发法培养了五个单晶，并采用CCD 单晶衍射仪测定了它们的晶体结构。
The paper introduces simply the characteristics of three experimental materials used to process micro-structures, single-crystal silicon, piezoelectricity ceramic and cemented carbides.
简要介绍硬质合金、压电陶瓷和单晶硅的加工特点及利用超声微细加工这三种材料的优势。
The crystal structures have been determined by single-crystal X-ray diffraction.
所有化合物的晶体结构都通过单晶X-射线衍射确定。
Furthermore, X-ray single crystal structural analyses were performed for three adducts, whose structures and relative stereochemistry were confirmed.
对三个加成产物进行了X -线单晶结构解析，验证了产物的结构和相对立体化学。
The changes of structures and properties of single crystal al wire, which is in the course of service, influence the quality of signal transportation inevitably.
单晶铝线材在服役过程中组织性能的变化，必然使信号传输质量受到影响。
A serials of complexes of chrysin and its sulfonate derivates were synthesized. And the structures were characterized by spectra and X-ray single-crystal diffraction analysis.
一系列白杨素及磺化衍生物的配合物已被合成，其结构通过光谱手段和x射线单晶衍射确定。
A serials of complexes of chrysin and its sulfonate derivates were synthesized. And the structures were characterized by spectra and X-ray single-crystal diffraction analysis.
一系列白杨素及磺化衍生物的配合物已被合成，其结构通过光谱手段和x射线单晶衍射确定。
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