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中文摘要：
水和重氢氧化物的液体混合物作为液体分阶段执行，被用来匹配控告的胶体的粒子的密度。Kossel 衍射方法被用来检测水晶结构。实验在下面匹配密度(g = 0 ) 并且无敌(g= 1 ) 条件与相比在结构形成了由的水晶上检验严肃的影响 110 nm 自己组装(在直径) 聚苯乙烯微范围。结果证明严肃趋于在更低的位置使胶体的晶体的格子常数更小，它显示严肃的效果应该在胶体的晶体的学习被考虑。
英文摘要：
Liquid mixtures of water and deuterium oxide as the liquid phase, were used to match the density of charged colloidal particles. Kossel diffraction method was used to detect the crystal structures. The experiments under the density-matched （g=0） and unmatched （g=1） conditions are compared to examine the influence of gravity on the crystal structures formed by self-assembly of 110 nm （in diameter） polystyrene microspheres. The result shows that the gravity tends to make the lattice constants of colloidal crystals smaller at lower positions, which indicates that the effect of gravity should be taken into account in the study of the colloidal crystals.
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