沉积物的颗粒组成、结构、密度、含水率等决定了冲刷率与剪应力的变化关系。
The relationship between erosion rates and shear stress was determined by the particle composition, structure, wet density and water content of the sediment.
采用自行研制的加载装置，配装在光学体视显微镜下，观测了珊瑚砂土在加载过程中微结构的变化及颗粒滑移的全过程。
In this paper, the variation of microstructure and the complete process of grain slide during loading of the coral sand are observed with the optical microscope and the self-developed loading device.
利用扫描电子显微技术和多功能偏光显微技术系统研究三氯氧磷交联淀粉在生物降解过程中的颗粒形貌和结晶结构变化情况。
The appearance and crystal structure change in the biodegradation of partially degraded starch granules were examined using SEM technology and multifunctional polariscope.
并以此研究了混合颗粒系统中的热传导，研究发现此混合系统的有效热导率将随着固体体积百分比，系统结构特征参数和分形维数的变化而变化。
Furthermore, we investigated the thermal conductivity in the mixed system. Found that the thermal conductivity changed with the solid fraction, structural character parameter and fractal dimension.
结果表明，纳米氧化铝IR谱的峰值、强度和带宽有规律变化与制备因素、颗粒尺寸及结构有关。
The results show that the change of the position and intensity of IR absorption are related to the preparing conditions and the grain size.
同时，还系统研究了颗粒参数和结构参数的变化对结构减振效果的影响规律。
And, the influence of changing parameters of particles and structures on the damping effect was also studied systematically.
桩承受荷载过程中土颗粒细观结构变化的颗粒流仿真，是关于土体的细观力学特征与宏观力学响应相关联的初步研究。
The numerical simulation of particle flow for soil around piles under uplifting load is just an initial study on meso-mechanical characteristics and macro-mechanic al response.
桩承受荷载过程中土颗粒细观结构变化的颗粒流仿真，是关于土体的细观力学特征与宏观力学响应相关联的初步研究。
The numerical simulation of particle flow for soil around piles under uplifting load is just an initial study on meso-mechanical characteristics and macro-mechanic al response.
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