粒子

Through the application in the coal pit, it pro ves that the adsorption behavior of the cement particle could be improved by the addition of water-soluble polymer and surface active agent.

同时利用水溶性聚合物和表面活性剂改善水泥粒子的吸附性能，借助扫描电镜分析研究了添加剂与水泥粒子的吸附作用机理。

The co-polarized and cross-polarized backscattering coefficients and polarizability of a layer of non-uniformly oriented metamaterial spheroids under illumination of an elliptic polarized plane wave are numerically simulated.

计算了任一椭圆极化入射下一层非均匀取向的随机分布异向材料粒子的同极化和交叉极化后向散射系数，以及随机粒子产生散射场去极化的极化度。

Using the mechanism of the nuclear reaction of accelerated 7Li +3 ions with the inner target in mutant material i.e 1H( 7Li, 7Be)n, the biological effects were studied. The wheat seeds were irradiated with the doses ranged from 1.416×10 10 ions/cm 2 to 1.416×10 12 ions/cm 2. It was found that the cell membrane ruptured, the plasmolysis occurred, the nucleus shape changed.

将加速器7Li+ 3 离子束与生物体内遗传物质发生1H( 7Li，7Be)n内靶特征核反应诱发核酸分子结构变化的机制应用于生物诱变，辐照剂量在 1 41 6× 1 0 10 粒子 cm2 - 1 41 6× 1 0 12 粒子 cm2范围内处理的小麦，观察幼苗叶片细胞亚显微结构，发现离子束注入引起了细胞膜的破裂，细胞发生质壁分离，细胞核形状变得不规则等。

Illite fundamental particles showed platy to lath shapes. Platy particles exhibited various spiral growth patterns, i.e. circular, malformed circular, polygonal single unit-cell layer spirals, polygonal parallel step spiral, interlaced spiral patterns, etc.

伊利石单元粒子生长过程中，伊利石单元粒子呈现从板状体到条状体的生长，而板状颗粒又呈现各种螺旋生长图案，有圆形、残缺的圆形、多边螺旋、平行阶梯状螺旋、交错螺旋等。

Moreover, the effects of nano silicon dioxide (SiO2) particles and nano SiO2-g-PBA composited particles on the of polyoxymethylene were studied by means of mechanical properties test, scanning electron microscope and TEM.

力学性能、扫描电子显微镜及透射电子显微镜等测试表明：纳米SiO2在POM中团聚明显，而SiO2-g-PBA纳米复合粒子POM中分散均匀，导致POM/SiO2-g-PBA纳米复合材料的缺口冲击强度明显高于POM及POM/SiO复合材料，当SiO2-g-PBA纳米复合粒子的质量分数为2%时，POM/SiO2-g-PBA复合材料的冲击强度是POM的8倍多，同时拉伸强度有一定的增加。

Therefore this thesis put forwards a vector position selecting-best updating PSO algorithm.

为此本文提出一种粒子位置择优更新的粒子群算法。

The recently developed particle filtering technology provides a general framework for nonlinear problem, and posterior state distribution is approximated by weighted particles which are generated through Monte Carlo simulation.

近年来迅速发展起来的粒子滤波技术为求解非线性问题提供了通用的框架，它通过Monte Carlo仿真产生的带权粒子来对状态分布进行逼近。

In order to increase the detection speed, by using mixing particle sets to express the posterior probability distribution and adopting the Monte Carlo numerical methods to calculate the mixing weights, the fast fault detection algorithm is proposed based on the estimate window method.

为了提高故障检测的速度，采用混合粒子集表达后验概率分布，并由Monte Carlo数值方法优化得到各粒子集的加权值，据此提出了基于估计窗的快速故障检测算法。

Based on the facts, the surface coverage and diffusion coefficient of potass ion in lanthanum hexacyanoferrate was estimated.

根据法拉第定律计算，普鲁士蓝纳米粒子在金电极表面的粒子数为4.54×10〓cm〓(相当于1.00×10〓mol/cm〓)。

Potassium silver cyanide and potassium gold cyanide, which stability constants are very large, were used as the starting materials for the preparation of silver and gold powders. Adjusting the concentration ratio of protective agent to reducing agent and other reaction conditions can control the size, shape and morphology of precious metals nanoparticles.

使用氰化亚金钾和氰化银钾等稳定常数很大的金和银配合物作为制备纳米金粉和银粉的前驱体，控制保护剂／还原剂的比例以及其它反应条件，可以有效地控制粒子的大小、形状以及粒子聚集体的形貌。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。