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The results indicate that Al and Cu form inter-metallic compound Al2Cu with body-centered tetragonal structure at first, then Al2Cu alloys with Fe, and Al of cubic crystal structure is formed.

结果表明：样品中Al和Cu原子首先组成体心四方结构的Al2Cu金属间化合物，然后与Fe原子合金化，形成Cu和简立方晶体结构AlFe的固溶体。

The micro spherical and body-centered cubic mesoporous carbons with irregular shapes can also be obtained by only employing F127 as a template.

而在磁力搅拌的条件下，可得到具有体心立方(Im3m)结构的不规则形状的粉末材料。

The prepared SBA-16 thin films with narrow pore size distribution have a body-centered cubic structure Im(average3m space group.

所制备的SBA-16薄膜孔径均匀，具有体心立方结构（属于Im3m空间群）。

So the body-centred cubic structure of Li9 has the greatest binding energy for per atom among body-centered regular polyhedral structures of Lin (n= 5 ,7,9,13), which may be a reason for alkali metal crystal adopting the body-centred cubic structure as its unit cell.

故在体心正多面体结构Lin (n= 5 ，7，9，13)中，Li9的体心立方结构有最大的原子平均结合能，这也许是碱金属晶体的晶胞取体心立方结构的一个原因。

By use of the first principles theory,the segregation energies of light impurities P、N on the ∑3(111) grain boundary and the(111) surface of body-centered cubic Fe were computed, and the brittleductile mechanisms of P、N were discussed energetically.

利用第一原理理论计算了轻杂质P、N在体心F e∑3[110](111)晶界和F e(111)表面的偏聚能，从能量方面对P、N的韧脆机制进行了探讨。

In this paper, modified analytical embedded-atom method, combined with heavy-bit lattice model, using MATLAB programming from the atomic-scale calculations and analysis of body-centered cubic metals Fe (001) face to reverse the grain boundary of energy and structure of crystals between the translation and expansion of energy and structure of the system, and with the relevant control experiments were observed.

对材料性能预测、材料改性和新材料设计以及传统材料及其应用有着重要的指导意义。本文采用改进分析型嵌入原子法，结合重位点阵模型，借助MATLAB编程从原子尺度计算和分析了体心立方金属Fe(001)面扭转晶界的能量和结构，探讨了晶体间平移和膨胀对体系能量和结构的影响，并与相关实验观察进行了对照。

The results show that the microscopical pore structure of the three dimensional orthogonal woven carbon fabric structure perform is composed of body-centered cubes which arranged periodically at spaces. The net structure and shape of the pores of perform are determined by the size and proration of the fasciculus diameter, which are key factors influencing the gaseous permeability and final density of composites. Once the proration of the fasciculus diameters of different directions is determined, the trend of diversification of the permeability followed by pore rate during CVI process and the density of composites are stated, and the permeability increases with the increase of the fasciculus diameter.

研究结果表明：三维正交结构炭纤维预制体的宏观孔隙结构在空间上可以看成是由呈周期性排列的体心立方&晶胞&构成； X ， Y 和 Z 3个方向纤维束直径大小及比例关系决定三维正交结构炭纤维预制体宏观孔隙网络的结构和形状，也是决定反应气体在孔隙中的比渗透率和复合材料最终致密度的重要因素；当 X ， Y 和 Z 3个方向纤维束直径的比例关系一定时，不同预制体在CVI增密过程中比渗透率随孔隙率变化的趋势相同；复合材料的最终致密度一定；比渗透率随纤维束直径增大而略有增大。

It was shown by further research that the formed tungsten oxide had an obvious layer-like structure, where from outer to inner layer the valence of tungsten increased and the reduction degree decreased. The carbonization of W depended on the replacement of W atom at the center of the body-centered cubic by C atom and the minor adjustment of C atom position and the lattice parameters.

深入研究表明，氧化钨碳还原颗粒具有明显的层状结构，自外到内钨的化合价递增，还原程度降低；钨的碳化是碳原子替换体心立方钨晶胞的中心钨原子，然后碳原子转换到钨原子点阵间隙再经晶胞常数微调而形成。

A body-centered cubic Magnesium-Lithium-Aluminum-Zinc alloys of different aluminum content (3wt% and 9wt%) were fabricated by electrolytic diffusing method and via annealing and rolling process, 0.2 mm thick foils were obtained, which are further adopted as anode materials for magnesium battery.

中文摘要本研究利用电解扩散法备制单一bcc结构且不同铝含量(3wt%Al及9wt%Al)之镁锂铝锌合金，并经过简单的退火及轧延过程，得到0.2mm之薄板，并进一步应用於镁电池的阳极材料。

The results show that the study on transimittivity can be done using the points along the circle arc centered at the roadway or the boring core, the transimittivity at the joints along the right angle ray can be studied using one single point behind the joint, and the studies on transimittivity can be done on any reasonable radius value of the roadway or boring core in a typical rock.

分析结果表明：单节理后各节点透射率的研究，可以通过单节理后某一以巷道或钻孔中心为中心的圆弧上各节点的透射率来展开；射线角为90°的射线上节理后各节点透射率的研究，可以通过节理后某一节点的透射率来展开；单节理的透射率的研究可以在一个固定半径值的巷道或钻孔的模型上用一种典型的岩石进行。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。