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- The reason is that the cracks formed by differences of thermal expansion coefficient between andalusite aggregates and matrix in castable stop the propagating of cracks formed during thermal shock. 其原因是由于红柱石骨料和莫来石基质的热膨胀系数不一致,在烧后试样中产生了自发裂纹;
- This concentration of stre further accelerates cartilage wear with thi ing of outer layers and propagation of cracks and fi ures in the deeper layers. 集中的应有尽有力进一步加速外民支软骨磨损及变薄,也加速深层碎裂和裂隙的扩布。
- The micromechanism of initiation and propagation of cracks associated with pearlite colonies in this pearlite/ferrite microstructure. 探讨了裂纹萌生和扩展机制;
- The main wear mechanism of high speed roller chain is formation and propagation of crack in top layer of pin and bush. 汽车用高速滚子链的主要磨损机制是销轴、套筒零件表层的裂纹生成、扩展与剥落。
- The research of dynamic propagation of crack is prevalent in explosion mechanics. 爆炸裂纹的动态扩展问题是爆炸力学研究的热点。
- The effect of chamber pressurization on the combustion and propagation of crack was studied by testing and computation researches on the model. 通过实验和理论计算研究了燃烧室升压梯度对固体推进剂裂纹燃烧与扩展的影响。
- The results show that the thermal fatigue cracks after forming propagate preferentially in the hard phase, and the propagation of crack is stoped and dulled when it meet steel basic phase. 结果表明:萌生后的热疲劳裂纹优先在硬质相中扩展,遇到钢基体相后受阻、钝化。
- Cause Analysis and Control of Cracks in C. 火电工程中电缆隧道裂缝原因分析及控制。
- Cause Analysis of Cracks in Steam Turbine. 汽轮机转子裂纹原因分析及运行安全措施。
- The ground was full of cracks in the hot summer. 在火热的夏天,地上都是裂缝。
- The ground was full of cracks in the summer. 夏天地上都是裂痕。
- It doesn't have the side-effects of crack cocaine. 它可没有高纯度可卡因那样的副作用。
- Keywords Si 3N 4 base composite ceramics;whisker;nona grain;propagating of crack; 4基复合陶瓷;晶须;纳米颗粒;裂纹扩展;
- He asked the dealer for a nickel of crack. 他找毒贩要价值五美元的可卡因药丸。
- The sun sometimes spoils the propagation of radio waves. 太阳有时会影响无线电波的传播。
- Defer effects of crack propagation of bogie 构架裂纹扩展延迟效应
- Emission and propagation of energy in the form of rays or waves. 发射以光线或波的形式发出和传播能量
- Some suggestions were given by analyzing the cause of cracks. 通过对裂缝原因的分析,提出了改进措施和建议。
- The study on the energy release rate for cracks propagating of particle and matrix interface in functionally gradient materials(FGM) was carried out. 研究了功能梯度材料富陶瓷区金属颗粒界面断裂能量释放率。
- The propagation of animals or plants. 动物的饲养,植物的培植