For imperfect crystals with point defects, the cluster method and the supercell simulation are two methods in common use.
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2. 这个特性在原胞的晶格常数变化的- 3% - 20%范围内保持不变。
This character remains in the variation range of -3%-20% of lattice constant.
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3. 在一个增量步内，根据动态再结晶晶粒生长速度确定与其相邻原胞转变概率。
At each increment step, the transformation probability for the neighborhood sites of a recrystallized grain is dependent on its growth velocity.
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4. 利用平面波展开方法与超原胞方法研究了两种不同晶格的光子晶体异质结的界面态。
We have investigated the guide modes in two kinds of two_dimensional photonic crystal heterostructures by using the plane wave expansion method combined with the supercell technique.
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5. 在本论文中，我们尝试用一种全新的计算方法——统计超原胞法来计算混晶的电子结构。
In this thesis, we attempt a new method, the statistical supercell method, to calculate the electronic structure of a mixed crystal.
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6. 用简单数学方法就体心立方晶格和面心立方晶格证明了三维情况下布里渊区体积等于倒格子原胞体积。
It is proved that the volume of Brillouin zone and that of the reciprocal lattice primitive cell are equal for BCC lattice and FCC lattice in three dimensions by a simple mathematical method.
Regarding the reciprocal lattice primitive cells basic vectors as two line space basic vectors, this paper finds a new matrix method to work out the reciprocal lattice primitive cell.
The basal membrane of fusiform fibroblasts with oval nucleus and rich in chromatin reached much protuberance into matrix of HA ECM and collagen fibril cumulating outside cells.
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9. 电镜可见胞浆内含肌丝及胶原原纤维。
Electron microscope showed there were myofilament and collagenous fibril in the cell plasm.
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10. 电镜可见胞浆有张力原纤维，角蛋白免疫组织化学阳性证实鳞状上皮有分化特征。
The tonofilament expression in cell cytoplasm by electron-microscopy and positive reaction of cytokeratin by immunochemistry showed differentiative character of squamous epithelium.
If hypothalamus in some areas is destroyed and orexin neurons are reduced, sleep-awakening dysfunction will appear (for instance: narcolepsy).
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12. 黄原胶是野油菜黄单孢菌分泌的胞外多糖，可用淀粉或葡萄糖为碳源发酵生产。
The xanthan gum is the extracellular polysaccharide secreted by xanthomonas campestris from wild rape. It can be produced by fermentation with starch or glucose as the carbon source.
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13. 黄原胶是野油菜黄单孢菌分泌的胞外多糖，可用淀粉或葡萄糖为碳源发酵生产。
The xanthan gum is the extracellular polysaccharide secreted by xanthomonas campestris from wild rape. It can be produced by fermentation with starch or glucose as the carbon source.
