At a certain moment of mixing and stiring , every group a copy of circulation flow and spread is distributed to begin to go on at the micro level , mixing and stiring the sport characteristic that the speed not merely depends on the supplies , depend on structure rheology characteristic , particle big or small , alternate superficial size and is it form value of strength , etc 拌和到某一时刻后，各组份循环流动与扩散分布开始在微观水平上进行，拌和速度不仅取决于物料的运动特点，而且取决于物料的结构流变特性、颗粒大小、相间表面的大小和粘结力的值等。
Polymer - based uf / sio2 composite microspheres are obtained in the solution . the effects of formaldehyde / urea molar ratio ( r ) , ph value , ethanol volume percent amount ( ve ) and reaction temperature on the resulting microspheres have been investigated with scanning electron microscopy ( sem ) and optical microscope 通过扫描电镜( sem ) 、光学显微镜研究了各种反应条件如甲醛尿素配比r 、乙醇的含量v _ e 、 ph值、反应温度等对脲醛二氧化硅复合微球颗粒大小和形貌的影响。
The graphite is covered with a thin film of disordered carbon according to the measurements of xrd , bet , particle size analysis and scanning electron micrographs ( sem ) . sugar and phenol resin are used as the precursors of the shell - carbon materials . structure and performance of composite structure carbon material are studied in detail 提出边缘碳原子及表面碳原子含量对炭材料嵌理性能的作用机理，并导出该机理的具体表现形式，即炭材料的形貌、比表面积、颗粒大小、有序化程度等结构与物理特性对炭材料的嵌狸性能的影响。
The structures and characteristics of several graphite samples are measured by means of powder x - ray diffraction ( xrd ) , brunauer - emmer - teller ( bet ) surface area measurement , inductively coupled plasma ( icp ) spectroscopy , particle size analysis and electrochemical measurements . the effects of origin , structure , impurity , particle size , specific surface area of carbon materials on the electrochemical characteristics are studied . a synthetic graphite with abundant resources , low cost and favorable performance is determined as the raw material for modification of graphite 采用xrd 、 bet 、 icp 、激光粒径分析及电化学性能测试等方法，对国内外多种典型石墨样品的结构与性能进行比较，研究石墨材料的来源、晶体结构、杂质含量、颗粒大小、比表面积等因素对其充放电性能的影响，确定一种性能较好、价格低廉、来源广泛的普通人造石墨粉作为热处理与掺杂改性、以及复合结构炭材料研究的原材料。
