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Performance prediction of the pump when transporting water and salt solution is also studied.Results are compared and analyzed with experimental data.6.The salt-out flow field is measured on three dimensions by Particle Image Velocimemter via radial and axial two test models.After image processing, velocity distribution of crystal particles in the pump is obtained.Particle flow field is visualized to reveal the particle motion law intuitionally.

此外对泵送清水和盐溶液时的性能也进行了预测，并将结果与外特性试验数据对比。6、运用PIV在径向和轴向两种测量模式下对泵内不同外部条件下盐析两相流场进行了准三维测量，经图像后处理，获得了盐析晶体颗粒在叶轮内、无叶腔中及轴面上的速度矢量分布，实现了颗粒流场的可视化，更为直观地揭示了泵内盐析颗粒的运动规律。

Weibull distribution function is used to characterize phenomenologically the debonded probability of the interface, which is decided by the tensile stress of the particle. A partially debonded isotropic spherical elastic particle is replaced by an equivalent, perfectly bonded spherical particle, which possesses yet unknown transversely isotropic elastic moduli. The fictitious particles can be determined in such a way that their tensile and shear stresses will only vanish in the debonded direction.

认为颗粒增强金属基复合材料的界面脱黏受控于颗粒所受的拉应力，引入Weibull分布函数描述颗粒脱黏概率，且受单向拉伸载荷作用时，仅在沿受力方向的上下两侧发生部分界面脱黏，从而将部分脱黏的各向同性颗粒由一完好的横观各向同性颗粒来等效，建立了部分脱黏模型。

From this point of view, we investigate the effect of the curvature energy and the compressibility energy on the emission of the prescission particle. The effect, acting together with the other one that the lower emission barrier facilitates the particle emission, leads to a different way to emit proton and α particle.

从这个角度，笔者研究了引入曲率能和压缩能影响断前粒子发射的效应，与发射位垒降低增强断前粒子发射的效应相作用，使断前质子和断前α粒子在基态到鞍点间出现了不同的发射规律。

Excitation functions of neutron, proton and α particle emission prior to scission measured in the reactions 28 Si+ 164,167,170 Er→ 192,195,198 Pb are studied using an extensive fission diffusion model and it is found that the model can well describe the trend of particle multiplicities of Pb isotopes measured experimentally as a function of the bombarding energy,which indicates the existence of isotope effects in prescission particle emission.

用推广的裂变扩散模型研究了2 8Si+16 4，16 7，170 Er→192 ，195，198Pb反应中测量的断前中子、质子和α粒子多重性的激发函数。发现扩散模型能很好地拟合这些轻粒子多重性随裂变系统激发能和Pb同位素的变化趋势。表明断前粒子发射存在一个同位素效应。进而在一个考虑了裂变过程中摩擦效应的统计模型的框架内，在In和Er这两个元素的同位素链中，考察了同位素效应与裂变碎片质量不对称性和裂变系统尺度的关系。计算结果表明：同位素效应的存在不依赖于裂变系统的大小和不对称性。此外，当裂变系统具有高的中质比时，轻带电粒子发射将不再敏感于裂变延迟时间的长短，而中子发射则非常敏感。

The object of this study is to conduct SAA process experiments and investigate the effects of the process parameters on particle morphology, particle size and particle size distribution respectively.

本论文对SAA过程进行了基础性的实验研究，掌握了过程操作参数对微粒形态、粒径及粒径分布的影响规律。

In addition, other operation condition, such as soapless seeded preparation schedule or without seed, could meet the requirement of the larger particle sizes, broader particle sizes distribution and lower viscosities. Besides the increment of addition rate induces the peel strength and tack decreased and the holding power increased for the PSA tapes that are made from the multicopolymer latexes, the above operation conditions which lead the particle sizes to enlarge would increase the peel strength and tack, and decrease the holding power.

用多元共聚胶乳制备的压敏胶带，除单体滴加速率增加使剥离强度与初粘力下降、持粘力增加外，通常，使胶乳粒径变大的操作条件将使压敏胶剥离强度与初粘力增加，持粘力降低。

In terms of the data of stratiform could microphysical structure from airborne particle measurement system in 1997 in Liaoning province,the characteristics of cloud droplet spectrum,particle number concentration,temperature and water content of particle in the horizontal level were discussed.

根据1997年在辽宁利用机载粒子测量系统获取的探测资料，探讨了层状云中云滴谱、粒子数浓度在水平方向上的分布变化，并分析了温度、粒子含水量在水平方向上的变化特征。

To evaluate the LDL particle size and subfraction pattern and their association with coronary heart disease in Chinese population, a case-control study was conducted. Using the agarose-acrylamide composite gradient gel electrophoresis, LDL peak particle diameter was determined in 105 subjects with angiographically verified coronary artery disease and 103 matched healthy controls. Two LDL subfraction patterns were identified by the LDL peak particle diameter.

本课题以病例对照研究设计评估国人LDL颗粒大小和亚组分模式及其与冠心病关系。105例经冠状动脉造影确诊的冠心病患者和年龄性别构成匹配作为对照组的103例健康检查者的LDL峰颗粒直径，用琼脂糖聚丙烯酰胺混合凝胶电泳进行测定。

The study on the magnetics mechanism of titanomagnetite indicates that the magnetic parameters of the titanomagnetite have the most direct and closest relationship with its particle size, ie. each magnetic parameter increased slowly with particle size decreased, then the magnetic parameters have mutated when the particle size decreased to 0.045mm.

钛磁铁矿磁学机理研究表明，钛磁铁矿磁性参数与粒度有最直接最密切的关系，即随着粒度变细，各磁性参数先是缓慢增大，当粒度降至0.045mm时，产生突变。

The process of the invention mainly comprises disintegrating substrate material of waste printing wiring board into particle material whose particle size is 0.5-3.5 micron, the mixing with double bond reactant, adding with phenyl ethene, conducting reaction under gamma ray irradiation condition, modifying substrate material particles, then commixing material which is treated with acrylonitrile-butadiene-styrene, wherein the adding quantity of substrate material particle is 35%-35%, conducting extrusion pelleting for commixing material on a plastic extruder, wherein extruding temperature is 200-250 DEG C, and finally obtaining plasticity plastic particles with excellent property.

本发明方法主要是：先将废旧印刷线路板基板材料粉碎成为粒径为0.5～3.5微米的颗粒料，然后与具有双键的反应物混合，再加入苯乙烯，并在γ射线的辐照条件下进行反应，将基板材料颗粒进行改性处理。

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。