trigonal crystal system 三方晶系 ; 三角晶系 ; 三角形的
trigonal crystal structure 三方结构
trigonal crystal field parometer 三角晶场参量
trigonal crystal field parameters 三角晶场参量
trigonal symmetry crystal field 三角对称晶场
two-dimensional trigonal ion crystal 二维三角离子晶体
By Evjen crystal cell, the calculation formula about Madelung constant for the two-dimensional trigonal ion crystal was deduced.
采用埃夫琴晶胞推导了计算二维三角离子晶体的马德隆常数的通项公式。
The crystal structure has been determined by X ray single crystal diffraction, showing a distorted trigonal bipyramidal configuration with five coordination for the central tin atom.
通过元素分析、 红外光谱和氢核磁共振谱对其结构进行了表征。用X-射线单晶衍射测定了该化合物的晶体结构。
This reflects the change of the crystal-habit of the trigonal trapezohedron simple form in synthetic smoky quartz.
这种变化反映了人工烟水晶三方偏方面体单形结晶习性的变化。
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