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- the 32 crystallographic point groups [化] 32种晶体学点群
- crystallographic point groups 晶体学点群
- The point groups above and below the transition temperature are Amm and m respectively. 相变温度上下晶体点群分别为4mm和m。
- LiCaTa_3O_9 is tetragonal with lattice parameters a=0.778 nm, c=0.783nm. The point group is 4/mmm. LiCaTa_3O_9晶体属四方晶系;点阵参数a=0.;778nm;c=0
- In group theory they are the so-called irreducible representations of the point group considered, a name that some authors prefer. 在群论中,它们是所谓的点群的不可约表象,这是一些文献作者喜欢使用的名词。
- In this paper, two sets of flow charts for point group determination by convergent beam electron diffraction (CBED) were given. 本文设计了两套应用会聚束电子衍射(CBED)测定晶体点群的优化实验流程图。
- C. J. BRADLEY AND A. P. CRACKNELL. The Mathematical Theory of Symmetry in Solids Represestation Theory for Point Groups and Space Groups[M]. CLARENDON PRESS. OXFORD 1972. 马中骐;戴安英.;群论及其在物理中的应用[M]
- J Bradley and A P Cracknell.The Mathemetical Theory of Symmetry in Solids-Representation Theory for Point Groups and Space Groups[M].Oxford University Press, London 1972. 陈金全.;群表示论的新途径[M]
- Central delegation assistant regimental commander Han Qide, Bai Lichen, Chen Bingde and central delegation one point group all member participated in the salute together. 中央代表团副团长韩启德、白立忱、陈炳德和中央代表团一分团全体成员一同参加了慰问。
- Central head of delegation He Guoqiang led the central delegation first point group (25th) to continue in Guyuan to carry out the visiting activity in spite of the rain yesterday. 中央代表团团长贺国强率中央代表团第一分团昨天(25日)冒雨继续在固原市开展慰问活动。
- With the aid of perturbation method are solved elasticity problems of two dimensional decagonal quasicrystals with point groups 10mm, 1022, 10 m2 and 10/mmm containing a circular crack. 用摄动方法解点群 10 mm,10 2 2 ,10 m2和 10 /mmm十次二维准晶包含一个圆盘状裂纹的弹性三维问题。
- According to the charactemistis that spectral term symbolswave-function have the seam transform character under effect of Point groups, the ligand-field spectral term symbols is deduced. 根据点群作用下谱项波函数与单电子波函数具有相同变换性质的特点推引配位场谱项.
- Have all the assumptions impacting Function Point Counting been forwarded to a the central function point group? All assumptions should be reviewed by the central function point group. 是否所有的影响功能点估算的假设条件都被提交给一个中心功能点团队?所有的假设都应被中心功能点团队评审。
- In order to retain character of point group and integrality of point cluster, this paper puts forward the measure of quality assessment guideline, and the method of quantitating guideline. 在点群特徵点保持、整体性保持两个方面提出了量化的质量评估指标,以及指标的量化方式。
- The latter two groups were subdivided into two time points groups: 4 and 8 weeks after modeling groups with 6 rats in each group. 取雄性SD大鼠30只,单纯随机分为3组,正常组6只,假手术组和模型组各12只,后2组又分为造模后4,8周2个时间点,每个时间点6只。
- At this point your logic is at fault. 在这一点上你的推理是错误的。
- In point of cost, we'll have to discuss it at the next meeting. 至于费用方面,我们只好留到下次会议再讨论。
- The Brillouin scattering tensers and the stiffening Christoffel equations in (100), (010), and (001) planes of C2v point group crystals are obtained at arbitery wave vector directions. 简述了应用布里渊散射测量晶体的弹性和压电系数的方法;推导了C_(2v)点群晶体(100);(010)和(001)晶面内任意波矢方向的布里渊散射张量及声速各向异性方程.
- Making a petit point pillow is exacting work. 做一个小花边编织枕头是一项细致活儿。
- I mentioned this point by way of cautioning you. 我提出了这一点用以警告你。