1) a model "the incorporation of growth units of anionic coordinated polyhedra"
正、负四面体生长基元
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) tetrahedral modeling basis function
四面体元基函数
4) crystal growth unit
晶体生长基元
5) elementary tetrahedron
元四面体
6) tetrahedron
[英]['tetrə'hi:drən] [美][,tɛtrə'hidrən]
正四面体
1.
With a variational method and a modified arrangmement channel quantum mechanics(MACQM) method,the energies of a equilateral triangle H-3 and a tetrahedron H-4 system are calculated.
采用改进排列通道量子力学(Modified Arrangement Channel Quantum Mechanics,简称MACQM)方法和变分法,计算了H3体系正三角形和H4体系的正四面体结构的能量曲线。
2.
Some of the cross sections are used to stand for a centain component, and semiternary phase diagrams are ploted, then a quaternary phase diagram shown in a tetrahedron is obtained.
提出了利用正四面体的某些截面表示一定组成，得出相分离曲线和相分离曲面，并能较好地描述四元体系。
补充资料：体元居正
1.谓人君以天地之元气为本，常居正道以施政教。多指帝王即位。语出《春秋．隐公元年》"元年春王正月"。晋杜预注:"隐公之始年﹐周王之正月也。凡人君即位﹐欲其体元以居正﹐故不言一年一月也。"孔颖达疏:"元正实是始长之义﹐但因名以广之。元者﹐气之本也﹐善之长也。人君执大本﹐长庶物﹐欲其与元同体﹐故称元年。正者﹐直方之间语也。直其行﹐方其义﹐人君当执直心﹐杖大义﹐欲其常居正道﹐故月称正也。"
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参考词条