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1)  square pyramidal
四方椎体构型
2)  tetrahedra configuration
四面体构型
1.
The valence bond theory was perfected;The properties of the electron-pair bond was proposed;The problem of the tetrahedra configuration of carbon atom was resolved;theory of hybrid bond orbitals was established.
文章介绍了鲍林价键理论的思想起源和形成过程:接受路易斯的化学键电子理论;吸取海森伯的量子共振概念;得到海特勒和伦敦对氢分子结构近似处理的启发;从而完善了价键理论,提出了电子对键的六条规则;解决了碳原子四面体构型的问题,建立了杂化轨道理论。
3)  Anterior vertebrae
前方椎体
4)  body centered tetragonal (BCT)lattice
体心四方(BCT)结构
5)  vertebral model
椎体模型
1.
METHODS: Based on the structural characteristics and parameters of the healthy adult vertebra,a vertebral model of porous media was made by the computer software and the law that silicone oil with a viscosity matching that of PMMA flew and distributed in the model was calculated and analyzed by means of .
方法:根据正常成人椎体的结构特性和参数运用计算机软件构建相应的多孔介质的椎体模型,并运用流体力学的方法进行数值模拟和分析与骨水泥粘度相当的硅油在椎体模型中的流动及分布规律。
6)  Percutaneous Vertebroplasty
椎体成型术
1.
The Application of Rotate 3D-DA in the Percutaneous Vertebroplasty;
旋转3D-DA在经皮穿刺椎体成型术中的应用
2.
Clinical analysis of percutaneous vertebroplasty in the treatment of osteoporotic vertebral compression fractures in elderly patients
椎体成型术治疗骨质疏松性椎体压缩性骨折临床分析
补充资料:构型异构体
分子式:
CAS号:

性质:又称立体异构体(stereoisomer)。指分子的构造相同,但由于组成分子的原子(或基团)在空间排列不同而产生的异构体,包括顺反异构体和光学异构体。

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