It summarized the common defect of the plastic products, and analyzed reason and improvement method that leads to the plastic products with insufficient injection, flying- away, fragility and sunken shrink, it made great directive significance on produce actually.
总结塑料制品的常见缺陷,并分析造成塑料产品注射不足、飞边、发脆、收缩凹陷的原因及改进方法,对实际生产有很大的指导意义。
Review of heat transfer enhancement for dimpled surface;
凹坑强化传热的研究进展回顾
Influence of dimple space on heat transfer enhancement and pressure loss in a dimpled rectangular channel
间距对凹坑强化传热和流动阻力的影响
The application shows that the optimization can greatly reduce the dimple magnitude and improve the punching quality.
实践证明:优化后的凸模在很大程度上减小了凹坑的塌陷量,提高了产品质量。
Limit load analysis on spherical head with pit located in the structural discontinuity area;
球形封头上结构不连续处凹坑极限载荷分析
Cause Analysis and Prevention of Pit Defect on Drum after Plate Winding;
钢板卷筒后筒体表面凹坑缺陷的成因分析与预防
Safety Assessment for Featheredged Sleeve Press-Ure Vessel Containing Pit Defects and Research for Fatigue Life of Numerical Simulation;
含凹坑缺陷薄壁圆筒形压力容器的安全评定以及疲劳寿命的数值模拟研究
40 of "pressure vessels periodical inspection regulation",the stress distribution of local thinned area in the boundary stress region of nozzle-cylinder is calculated and the trends of stresses influenced by the dimension and location of part-through slot are obtained.
参考《压力容器定期检验规则》第40条,采用有限元方法计算了筒体接管边缘应力区局部减薄处的应力分布,得到了局部减薄处凹坑的尺寸与位置对应力的影响趋势,讨论了应力集中系数随尺寸变化的规律,为筒体接管边缘应力区局部减薄处的强度评定提供了一定的计算依据。
Mountain bicycles are great on pot-holed city streets.
登山自行车很适合凹凹坑坑的城市街道。
The smallest pits on a DVD are about 0.4 microns wide, whereas CD pits have a minimum width of 0.83 microns.
DVD上最小的凹坑宽约为0.4微米，而CD上的凹坑的最小宽度为0.83微米。
scalloped hollow carrier gun
带有凹坑的空心携弹管射孔枪
scalloped steel carrier
带有凹坑的钢制射孔枪枪身
Analysis of Concave Dent in Pattern Plating
图形电镀中抗镀现象——凹坑的原因剖析
The Effects of Surface Dent Depth on the Micro Elastohydrodynamic Lubrication
凹坑深度对表面动态弹流润滑的影响
The pits and the separations between pits, called lands, vary in length to represent the digital information stored in the disc.
凹坑和叫做平台的凹坑之间的间隔在长度上的变化，代表储存在光盘上的数字化信息。
The wood is full of pits and needs sanding.
这木料上到处是凹坑, 需用砂纸打磨一下。
The pits are arranged in a track that foils a spiral pattern on the recording layer of the disc.
凹坑在磁盘记录层上按螺旋形的轨迹排列。
South American toad; incubates its young in pits in the skin of its back.
南美洲蛙；在其背部皮肤的凹坑里培育其幼子。
The small pits that form on the surface act as stress raisers.
在表面形成的小凹坑起到应力增高源的作用。
Limit load analysis on spherical head with pit located in the structural discontinuity area
球形封头上结构不连续处凹坑极限载荷分析
Good stickiness, good holding ability、good clearance of impurity in depression and no incomplete glue.
粘性佳、保持力佳、清除凹坑杂质效果佳、不残胶。
The reason of the pit reduced the nucleation energy is analyzed.
分析和讨论了凹坑降低金刚石核形成能的原因。
Study of the Reducing Resistance and the Genetic Optimization of the Pit Bionic Non-smooth Surface;
凹坑形仿生非光滑表面减阻和遗传优化研究
Numerical Limit and Shakedown Analyses of the Pressure Vessels with Part-Through Slots;
含凹坑缺陷压力容器极限与安定性数值分析
Safety Assessment for Penstock with Surface Pit Defects;
含凹坑缺陷压力管道的有限元分析及安全评定
Study of Drag Reduction Capability of the Dimple Bionic Non-smooth Surface;
凹坑形仿生非光滑表面的减阻性能研究