1) structure units of anionic coordination polyhedra
负离子配位多面体结构基元
2) anionic coordination polyhedron growth units
负离子配位多面体生长基元
1.
The relation between the melt temperature and the cluster structure composed by anionic coordination polyhedron growth units is discussed in this paper based on the Raman spectra of the single crystal and melt of Na_2SiO_3 and BaB_2O_4.
据Na2S iO3与BaB2O4晶体和熔体的高温拉曼光谱测试结果综合分析后提出:熔体的温度对负离子配位多面体生长基元相互联结的聚集体结构有影响。
2.
It was found that the crystal habits of these crystals were related to the stability of combination of anionic coordination polyhedron growth units with different faces.
本文运用负离子配位多面体生长基元理论模型讨论了负离子配位多面体在异质同构和同质异构晶体中的结晶方位和其形态之间的关系 ,发现晶体的生长习性与负离子配位多面体在不同面族上相互联结的稳定性密切相关。
3) anionic coordination polyhedron
负离子配位多面体
1.
Based on the theoretical model of anionic coordination polyhedron growth unit and analyzed the crystal structure of BaY2F8,the crystallization habit of BaY2F8 from the spontaneous cooling was studied in this paper.
本文通过对BaY2F8晶体结构的分析,从晶体的生长基元为负离子配位多面体理论出发,对自然冷却条件下BaY2F8晶体自发结晶习性进行了研究,提出了以Ba2+为中心的近八配位十二面体和以Y3+为中心的近八配位十二面体是晶体生长的基元。
2.
The formation mechanism of the screw structures on the surfaces of polytype crystals is discussed according to the theoretical model of anionic coordination polyhedron growth units.
本文用负离子配位多面体生长基元理论模型讨论了多型性晶体表面螺旋结构的形成 ,提出在多型性晶体中配位多面体呈层状分布 ,配位多面体的面为层的边界 ,上、下层负离子配位多面体不是呈镜象对称的 ,在三方晶系和六方晶系的晶体中是沿晶轴a、b错开 ,上、下两层负离子配位多面体体呈交叉对应 ,从而达到稳定平衡。
4) anionic coordination-polyhedra
负离子配位多面体
1.
The orientation and distortion of anionic coordination-polyhedra in piezoelectric and ferroelectric crystals are studied in this article.
本文研究了压电、铁电晶体中负离子配位多面体的结晶方位与形变,提出了压电晶体中同一种负离子配位多面体的结晶方位是一致的。
2.
The mechanism of KABO crystal morphology evolution was analyzed through the growth_units model of anionic coordination-polyhedra.
运用负离子配位多面体生长基元理论模型,分析了KABO晶体上述生长形态演化的机理。
5) anion coordinative polyhedra
负离子配位多面体
1.
A hypothesis is put forward that the growth unitsof BSO crystal grown from melt are anion coordinative polyhedra of [BiO_6] and,From thestudy on the relation between appearances of different faces at different growth conditions and orientations of[SiO4]、tetrahedron in the crystal,it can be confirmed that the positive polar face is parallel to one of thefaces of [SiO.
从结晶化学角度出发,研究了熔体提拉法生长硅酸铋(BSO)晶体的结构与形貌,提出晶体的生长基元为和负离子配位多面体的论点。
6) coordinated polyhedron anion
负离子配位多面体
1.
It was proposed that the crystal morphology is restrained by the structure and the orientation of the coordinated polyhedron anion in the crystal.
本文从结晶化学角度出发,研究了AB和A2B3和ABO3型氧化物晶体中的氧配位八面体的结晶方位与晶体结晶形貌之间的关系,提出晶体的结晶形貌是受晶体中负离子配位多面体结构和结晶方位所制约的,配位多面体顶角所对向的晶面生长速率最快,而面所对向的晶面生长速率最慢,配位体的棱所对向的晶面,生长速率居于两者之间,负离子配位多面体在晶体的各个面族上连接的稳定性,决定了晶面的显露程度和晶体的结晶形貌。
补充资料:结构基元
结构基元是指晶体中作周期性规律重复排列的那一部分内容。它是晶体中重复排列的基本单位,必须满足化学组成相同、空间结构相同,排列取向相同和周围环境相同的条件。晶胞中含一个结构基元称为素晶胞,含两个和两个以上结构基元的称复晶胞。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条