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The applied effect of nanometer material mainly depend on surface molecule design of nano-powder material and its dispersion degree in matrix, i. e., how to disperse nano-particles into polymer matrix on nano-scale level.

因此，纳米材料的应用功效主要取决于纳米粉体材料的表面分子设计（即与基体材料的相容性问题）及其在基体材料中的分散度，也就是如何将纳米粒子以纳米尺度分散于高分子基体中。

The special performances of SiO2 nano-particles make it widely applicated, but dispersion of nanoparticles in water medium will affect the quality of products.

纳米SiO2特殊的性能使其在很多领域都得到了广泛的应用，而纳米SiO2能否在水性介质中稳定分散将会影响产品的最终质量。

The results show that the number of insoluble constituents and dispersoid particles in alloys increase with increase of Mn content, the former is detrimental for the specific elongation of alloys, and the latter impedes recrystallization during solution treatment.

研究结果表明：提高合金中的Mn含量，可增加合金中不可溶结晶相及弥散相粒子的数量，前者对合金的延伸率不利，后者阻碍了合金固溶处理过程中的再结晶。

The dispersoid distribution of the second phase could strengthen the surface of the alloy, which decreased the quantity of abrasive particles. The wear volume of the alloy was decreased. The hardness and strength of the alloy were increased after ECAE. The resistance of deformation was improved and the depth and width of furrows were decreased due to the increase of hardness and strength. As a result, the wear-resistance and tribological properties of the alloy were improved after ECAE.

ECAE热挤压处理显著细化了铝青铜合金的微观组织，弥散分布的第二相对合金起到强化作用，减少了剥落磨粒的数量，降低了合金的磨损量；ECAE热挤压处理的铝青铜合金组织细小，强度和硬度高，提高了合金抵抗塑性变形能力，减轻了磨粒对合金表面的犁削作用，提高了合金的摩擦磨损性能。

Because the polymer latex is colloid dispersoid,the polymer particles disperse into slurry and absorb on cement, hydrate and other fillers.

而聚合物乳液本身属于胶体分散体，其中的聚合物颗粒向料浆中分散，吸附在水泥及其水化产物和其它填料的表面。

The results showed that the second phase was refined and distributed dispersedly in the matrix of the alloy after ECAE. The refined particles could cut the soft matrix, which was useful to grain refinement during ECAE. The dispersoid distribution of the second phase could strengthen the matrix and improve mechanical properties of the alloy.

结果表明：合金中的两相组织经ECAE热挤压后被显著细化，析出的第二相弥散分布于合金基体中；细小的第二相颗粒在ECAE热挤压过程中对合金软基体起到钉扎作用，有助于细化合金的微观组织，并对合金起到了弥散强化的作用。

After coated,the hydration will take place as soon as cement in the composite system contacts with water of the latex. Because the polymer latex is colloid dispersoid,the polymer particles disperse into slurry and absorb on cement,hydrate and other fillers.

涂料涂覆后，复合体系中水泥遇到乳液中的水即发生水化反应，形成一定量的水泥凝胶体；而聚合物乳液本身属于胶体分散体，其中的聚合物颗粒向料浆中分散，吸附在水泥及其水化产物和其它填料的表面。

Then, confidence level distance and confidence level matrix are constructed and solved to complete the reasonable evaluation of particles weights.

首先，利用粒子残差实现采样粒子由状态空间到量测空间的映射变换；在此基础上，通过置信度距离和置信度矩阵的构建及求解，完成对于粒子权重的合理度量。

Using the LPCS, the particle size distributions of the normal particles are measured and corresponding counting efficiency and distinguishability are calculated.

同时讨论了光场不均匀对计数器性能的影响，计算了两种不同光源下，计数器计数效率和分辨比率的差异。

By taking the advantages of SPH and standard finite element methods,a coupled method is proposed,in which the computational model is made up of finite elements in initial time and the large distortional elements are converted automatically into smoothed particles.

扼要讨论了光滑粒子法的离散思想，充分利用光滑粒子法和有限元方法各自的优点，提出了一种初始时刻用有限元建模，计算过程中大变形单元自动转换为光滑粒子的耦合算法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。