粒子

UV curable coating was used as the dispersion system. The effect of PMMA microspheres, PMMA/TiO2 nano-composite particles and dulling agent on the antiglare property, the viscosity, the mechanical property, as well as the chemicals resistance of the film was studied in this paper. The result showed that the film had better comprehensive property when 0.5% PMMA microspheres, 0.5% PMMA/TiO2 nano-composite particles and 0.75% dulling agent were doped.

紫外光固化体系成膜速度快、涂层透明性好、力学性能优良，本文采用此体系固化成膜，考察了PMMA微球、PMMA/TiO2纳米复合粒子和消光剂对薄膜防眩光性能、涂料黏度、涂膜力学性能以及耐化学药品性能的影响，确定了防眩光涂膜材料涂层的粒子配方：0.5%PMMA微球、0.5%PMMA/TiO2纳米复合粒子和0.75%消光剂。

These included an image analysis system to assess the facial mobility of people who are suffering from paralysing diseases or have had surgery on the face; a "text mining" tool to extract chemical information from the world's scientific literature; an educational venture, called Big Bang in a Box, to sell images of high-energy particle collisions at Cern's new atom smasher; and a lightweight material stronger than steel, for use in body armour and the aerospace industry.

其中包括：一套图像分析系统，用于评估罹患了麻痹性疾病者或面部曾动过外科手术者的面部灵活性；"文本采掘"工具，用于提取全球科学文献中的化学信息；创建一家名为"盒中的大爆炸"的教育企业，出售欧洲粒子物理实验室新粒子加速器中高能粒子碰撞的图像；以及一种轻质材料，强度高于钢，应用于防弹衣及航空航天工业。

We treat the problem by separating the physical region into two domains useing spherical coordinates and bispherical coordinates respectively.

软球粒子因拥有特殊的物理结构，因此能够更贴切地描述生物粒子或人造复合粒子，也会造成许多不同於硬球的结果出现。

The De Broglie promotes Einstein's wave-particle duality to the microparticle, proposed for the first time the granule in kind has the wave-particle duality supposition, proved the microscopic granule also to have the undulatory property.

德布罗意把爱因斯坦的波粒二象性推广到微观粒子，首次提出了实物粒子具有波粒二象性的假设，论证了微观粒子也具有波动性。

Cerium oxide has a wide range of uses, but many applications require special physics properties of particles. It is particle morphology, size, structure, dispersion, surface properties ,this physical and chemical properties, that determine their application field, but the traditional preparation process is difficult to control cerium oxide particle morphology and physical properties, thus making it difficult to meet the application requirements.

氧化铈有着广泛的用途，但很多方面的应用都要求其粒子具有特殊的物性，粒子的形貌、尺寸、结构、分散性、表面性能等物化性能决定其应用领域，但传统制备工艺难以控制氧化铈粒子的形貌及物性，从而难以满足应用的需求。

Aiming at the choice of proposal function and degeneracy problem in particle filter,an improved algorithm is put forward.

针对粒子滤波算法建议性函数的选择问题和粒子匮乏现象，提出了改进粒子滤波算法。

Then mapping the relationship between morphological features vector and shape of precipitate through BP neural network to achieve the purpose of automatic classification statistic of precipitates.

然后利用BP神经网络建立粒子特征矢量与粒子形态的映射关系，继而实现对各种形态析出相粒子的自动分类统计。

Using a perturbation method, these linearized equations are solved for a composite sphere with the charge densities of the rigid core surface and of the surface layer as the small perturbation parameters. Analytical expressions for the settling velocity and electrophoretic mobility of the composite sphere in closed form have been obtained from a balance among its hydrodynamic, electrostatic, and/or gravitational forces.

以复合粒子之固体核心表面的电荷密度和多孔性表面层内的固定电荷密度为二个微小扰动参数，应用正规微扰法来求解这些已线性化之主导方程式，再藉平衡作用於复合粒子的重力、静电力和流体阻力等三种力后，可得到带电球形复合粒子的沉降速度及电泳可动度的解析形式表示式。

This compound limits the number of particles that are emitted to create a one-time particle emission; that is, the particles are not emitted in a continuous amount per second.

这个节点可以限制粒子发射数量以创建一个一次性粒子发射效果；也就是说这个粒子发射过程并非在每秒中连续发射。

Using the damping scaling theory of the free current in cosmism,it unitedly estimated that the mass and radius of the classical black hole, Planck particle ,nucleon,electron,particle of dark matter,and photon.

讨论了多成分宇宙中稳定粒子的基本性质，用宇宙演化中的自由流阻尼标度理论统一估算了经典黑洞、普朗克粒子、核子、电子、暗物质粒子、光子的质量和半径，量级与某些已知数据相符。

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。