These defects include: (1) solution inclusions, (2) negative crystal, (3) crack, (4) growth stripe, (5) fan shaped boundary and (6) straight pipe.
研究了采用蒸发法生长的新型高效紫外非线性光学晶体ZnCd(SCN) 4 (简称ZCTC)中的溶液包裹物、负晶、开裂、生长条纹、扇形界及直线管道等宏观缺陷的形成。
The growth stripe and dislocation as main defect in the crystal were observed.
应用同步辐射X射线白光形貌术,对Nd∶GGG晶体中的缺陷进行了研究,观察到晶体中的主要缺陷是生长条纹和位错,对生长条纹产生的机理和位错的类型进行了分析讨论,生长条纹是由于温度波动引起生长率的起伏产生的,确定晶体中的位错有刃型位错、螺旋位错和混合位错。
A summary of elemental and isotopic compositions of the Mesozoic gabbros and Cenozoic basalts from the Taihang Mountains shows a remarkable difference in their mantle sources.
本文总结了太行山地区中生代辉长岩和新生代玄武岩的元素和同位素组成,其组成显示它们的地幔源区存在着明显的差别。
Thermal Fatigue Behavior of Single-Crystal Superalloy
单晶高温合金的冷热疲劳裂纹生长行为研究
The results are compared with observation of crack growth and spalling.
存在的是平面的、小的次表面裂纹。 最后将计算结果与实际观察的裂纹生长剥落情况对比。
An investigation of the effects of mean and alternating stresses on short fatigue crack growth under uniaxial loading is reported.
本文报道单向加载下平均应力和交变应力对疲劳短裂纹生长的影响。
Cracks grow in directions nearly parrallel to the surface.
裂纹在近乎平行于表面的方向上生长。
Crack defect promotes crack initiation and growth.
裂纹缺陷促进了裂纹的萌生和扩展.
In the paper, mainiy discusses character of crack of high hardness hardfacing layer( HRC62 over), its growing period and adopting technology measure to prevent from producing of crack.
文章主要讨论了高硬度堆焊层裂纹的特征、长时期以及防止裂纹产生的工艺措施。
Influencing Factors on Slow Crack Growth Resistance of Polyethylene Pipe and Countermeasures
聚乙烯管材发生慢速裂纹增长的影响因素及对策
(3) In the high rowth-rate region the rate propagation of fatigue cracks isgoverned by the striation growth mechanism as ell as by the dimple mechanism.
(3)在高速率区,裂纹扩展速率行为是由疲劳条纹生长机制和韧窝机制所控制.
The smaller the curvature and the larger the crack length the smaller will be the fracture stress.
曲线半径越小，裂纹长度越大，断裂应力也就越低。
Crack propagation usually begins slowly.
裂纹的增长常常是开始缓慢。
Sub-critical crack growth length of shear (Mode Ⅱ) fracture of rock
岩石剪切亚临界裂纹扩展长度的研究
A STUDY ON FATIGUE CRACK INITIATION AND SMALL CRACK GROWTH UNDER THE CYC LIC COMPRESSIVE LOAD CONDITION
压缩循环加载下缺口裂纹的萌生与小裂纹扩展规律研究
Crack Initiation Toughness and Crack Propagation Toughness of PA6/POE-g-MAH Blends in Notched Impact Tests
PA6/POE-g-MAH共混物缺口冲击的裂纹萌生韧性及裂纹扩展韧性
The rolling axletree in the power plants may split during the long time running.
火电站的发电机组的滚动轴承由于在长时间的运行和碰撞中，有可能导致裂纹的产生。
The engine cracked on the first test flight.
在首次试飞时，发动机发生裂纹。
The rigidity of the metal caused it to crack.
这金属因刚度强而产生裂纹.
Opacity is due to crazes in the resin.
不透明是因树脂中产生裂纹。
The cracks appeared at the interface between carbide and matrix.
③在碳化物与基体的交界面上产生裂纹。