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- The crystalline grain size is uniforn, and the size distribution of the powder is narrow.The prepared nanosized TiO2 powders have high-purity and their phase structure is single anatase phase. 结果表明：随着沉淀剂浓度的不同，可制备出不同粒径的二氧化钛纳米颗粒，其粒径均匀，尺寸分布较窄，纯度高，晶型皆为单一的锐钛矿型。
- crystalline grain size 晶粒尺寸
- It has been proved that the pigment is fluorite solid solution and the size of its crystalline grain is 17.90nm from the analysis of XRD, SEM, EDS and CIE parameters. XRD;SEM;EDS;CIE色度分析的研究结果表明;该红色稀土颜料为萤石型固溶体;其晶粒尺寸为17.;90nm。
- There is a general decrease in grain size upward. 粒度一般是向上递减的。
- Rough and loose structure for rough grain size. 接触面积大时用粗松的组织。
- Fine grain size for the smaller contact area. 接触面积小时用细的粒度。
- Coarse grain size for the larger contact area. 接触面积大时用粗的粒度。
- Grain size of the sample had been measured. 降尘量和粒度参数值在尘暴前期和后期都呈现不同特征。
- The result also shows that the stability photoconductivity of the films is related to the crystalline fraction and the grain size of the films. 实验结果表明,所制备的多晶硅薄膜具有类稳恒光电导效应,而且薄膜的稳恒光电导特性依赖于薄膜的晶化率和晶粒尺寸,随晶化率的增加和晶粒尺寸的增大而增大。
- The grain size distribution was bimodal as a whole. 尘暴降尘的粒度基本呈双峰态分布。
- It is proved that the size of crystallin grain is the main factor having effect on the mechanical intensity of material,and the existence of microstructure defect can improve the tenacity of material. 结果证明，晶粒大小是影响材料力学强度的主要因素，结构缺陷的存在可以提高材料的断裂韧性。
- Its equidimensional grain size tends to mask the laminae. 它的粒度的均一往往会掩盖了纹层层理。
- Sodium fluoride destroys metal crystalline grain, forming the small cellular structure, it convenient for membrane imbed among them. 氟化钠破坏金属晶格形成微小的蜂窝状结构，从而便于涂膜嵌入其中，达到增强涂膜附着力的目的。
- Grain size had some effect on the rate of crack propagation. 晶粒尺寸大小对裂纹扩展速率也有影响。
- The results show that the crystallinity rise,crystalline grain becomes more regular and the fiber radial size grows after DMF treatment. 结果表明：DMF处理后纤维结晶度提高，结晶趋于规整，长时间处理结晶度下降；
- Ceramic powder of nano grade is an aggregate composed of extremely fine crystalline grain and numerous of atoms lying in the defective center of crystalline region. 纳米级陶瓷粉是由极细的晶粒和大量处于晶界内部缺陷中心的原子所构成的集合体。材料粒径变小,将引起纳米材料性质的变化。
- Type O steel shall be supplied without specific grain size control. 0类型的钢没有特殊的颗粒尺寸控制。
- The zirconium takes effect in making crystalline grain smaller、deoxidation、desulphurization、dephosphorization,etc.It can improve the strength、tenacity of the steel. 锆具有细化晶粒、脱氧、脱硫、脱磷等作用，可以提高钢材的强度和韧性，特别对深冲钢板可以提高其延伸率；
- Fine-grain (grain size <0.5 mm) aluminosilicate concrete. 细颗粒（粒度小于0.;5毫米）的硅铝酸盐混凝土。
- The best rubbing time and grain size are given in the paper. 文中给出了最佳的样品研磨时间及粒度。
