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- congregated grain structure 粒状结构
- PQ &AQ are excellent with PIP, Heavy film grain structure,buyable for 5 stars. 音画质量一流，电影般画质，颗粒感强，收藏5星。
- The improved grain structure also results in shinier solder joints than traditional lead-free alloy alternatives. 改善后的颗粒结构还能够让焊锡结合点的光洁度明显优于传统的无铅合金替代品。
- Oak is a hard, light to medium gray-brown, tough, short fibred wood with a distinctive grain structure. 橡木是一种坚硬的，浅到中等灰棕色，坚韧，短纤维带与众不同的纹理结构的木材。
- Pre-deformation prior to overaging remarkably refine and spheroidize the grain structure of AA2195 Al-Li alloy. 过时效前的轧制预变形明显细化并等轴化AA2195 铝锂合金的晶粒。
- Isothermal normalization can improve or eliminate the banded structure and duplex grain structure in forging blanks. 结果表明,零件毛坯等温正火可以获得比普通正火更细的晶粒、更均匀的金相组织、更小的硬度散差。
- The resulting solder joints have demonstrated improvements in grain structure and have shown a marked increase in reliability. 得到的焊点的晶粒结构得以改善,焊点的可靠性得到了显著提高。
- It is found that by a thermo-mechanical treatment under severe undercooling, an ultra-fine and gradient grain structure can be obtained. 同时采用具有自主知识产权的深过冷热机械处理获得梯度细晶显微组织,认为通过轧制形变前的深过冷进一步降低形变温度是获得超细晶粒的关键。
- For the ferritic types, the pearlite proportion within the grain structure of the metallic base material shall not exceed 10 %. 对于以铁酸盐为主要成分的类型，金属材料的颗粒结构中，珠光体含量不得超过10%25。
- Hardening is a process of heating and cooling steel to increase its hardness nd tensile strength, to reduce its ductility, and to obtain a fine grain structure. 硬化是将钢加热后冷却,以提高其硬度、抗拉强度,降低其延展性,以得到细晶粒钢结构。
- The experiments results shows through adjust the die working length,control extrusion temperature and speed,which can valid reduce coarse grain structure. 结果表明,通过调整模具工作带长度、控制挤压温度和挤压速度,可以减少粗晶组织的产生。
- The GBE model for simulation of grain structures in welding pool is introduced. 介绍了焊接熔池组织模拟的GBE模型。
- Stochastic parameter sensitivity of SRM grain structure was analyzed based on viscoelastic stochastic finite element method(VSFEM) and polynomial regression model. 基于粘弹性随机有限元法(VSFEM)和多项式回归模型,分析了固体火箭发动机药柱结构的随机参数灵敏度。
- H. T. G. Hentzell, C. R. M. Grovenor, and D. A. Smith, “Grain Structure Variation with Temperature for Evaporated Metal Films”, J. Vac. Sci. Technol., A2, 218-219 (1984). 汪裕闵，磁控溅镀氮化锆薄膜特性研究，硕士论文，国立成功大学材料科学研究所，(2001
- T. Mukai, M. Yamanoi, H. Watanabe, and K. Higashi, “Ductility Enhancement in AZ31 Magnesium Alloy by Controlling Its Grain Structure”, Scripta Materialia, 45 (2001), p. 89. 黄建超，黄志青，何扭今，“AZ31镁合金之管材挤型成型研发与超塑性研究”，中国材料科学学会论文集，2003。
- A crowd quickly congregated round the speaker. 大群的人迅速地在演说者周围聚集起来。
- We are congregated for a meeting. 我们集合起来开会。
- The purpose of normalizing is usually to define grain structures that have been coarsened in forging. 正火的目的是使在锻造中变粗的结晶颗粒细化。
- The purpose of normalizing is usually to refine grain structures that have been coarsened in forging. 正火的目的通常是为了细化锻造过程中被粗化的晶粒。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
