Dislocation cell and sub grain formed in ferrite grain are found at the stage of fatigue crack propagation in the area of crack tip.
疲劳裂纹扩展阶段裂纹尖端附近为形成于铁素体晶粒内的位错胞及亚晶。
By way of the tip-point model of sudden change theory, the paper studies the physical process of single grain matter breaking.
本文利用突变理论的尖点模型研究了单颗粒物料破碎的物理过程。
Grain size distribution affects significantly field tip resistance.
粒度分布对锥尖阻力有显著的影响。
Meanwhile, the tip of precipitates along grain boundary becomes obtuse, the alloying elements are depleted in the region near the grain boundary and the stress corrosion resistance is bettered.
同时，晶界沉淀物的端部由尖锐变得圆钝，晶界临近区域中的合金元素贫化，使材料的应力腐蚀抗力提高。
Tip: Hulled or "whole grain" barley is the most nutritious.
贴士：未脱壳或“全麦”大麦是最有养分的。
Tip: get your diet in shape by adding in a variety of fresh fruits and vegetables, lean protein, and whole grain breads and pasta.
贴士：饮食要添加多种新鲜的水果和蔬菜，瘦蛋白，全麦面包和意大利面。
The effect on circumgyration of carbon grain and the ablation of nose-tip during re-entry of stratagem missile is analyzed according to thermal transfer theory, thermo-aerodynamics and N-S equation.
根据气动热力学、传热传质学、N - S方程，分析了战略导弹再入时端头帽烧蚀与碳颗粒的旋转效应，研究结果表明碳颗粒的旋转有利于防热。
The effect on circumgyration of carbon grain and the ablation of nose-tip during re-entry of stratagem missile is analyzed according to thermal transfer theory, thermo-aerodynamics and N-S equation.
根据气动热力学、传热传质学、N - S方程，分析了战略导弹再入时端头帽烧蚀与碳颗粒的旋转效应，研究结果表明碳颗粒的旋转有利于防热。
应用推荐