A new type of mechanical seal with micro lubricative pores and macro pumping grooves on the seal ring face was introduced,and a preliminary design on the micro and macro geometrical shape of its surface was carried out based on hydrodynamic pressure lubrication theory.
介绍一种在密封环端面具有微观凹腔和宏观泵送槽的新型机械密封。
Research on the Flame Holding Technology Based on Cavity in Supersonic Combustion;
基于凹腔的超声速燃烧火焰稳定技术研究
Experiment Study and Numerical Simulation of Pulsed Laser Ablation Crater
脉冲激光烧蚀凹腔的实验分析及数值模拟
Study of Double Concave and Concave-convex Mirror Destabilized Concavity
对双凹或凹、凸非稳腔共轭像点的探讨
Numerical analysis of Gaussian mirror resonator cavity outside the plano-concave resonator
高斯镜平凹腔腔外光束特性的数值分析
Effect of Thermal Deformation on the Laser Mode Distribution of Plano-Concave Resonator with A Gaussian-Reflectivity Mirror
腔镜热变形对高斯镜平凹腔激光场模式的影响
pitted with cell-like cavities (as a honeycomb).
以蜂窝状空腔的形式凹陷（像蜂窝一样）。
Qin Opera:Jia Pingwa s Commemoration of His Ex-wife in Self-criticism;
《秦腔》:贾平凹在自责中对前妻的追念
The Mystical Coloring of Jia Ping-ao s Novel Shaanxi Opera;
试论贾平凹小说《秦腔》中的神秘色彩
Impact of mainstream on the vortex flow of cavity in trapped vortex combustor
驻涡燃烧室主流对凹腔涡流动的影响
reentrant cylindrical cavity
圆柱形凹腔, 半同轴空腔
A Coronach of Local Culture in New Economic Changes--Remark on JIA Ping-ao s《Qin Qiang》;
新经济变动下的乡村文化挽歌——评贾平凹的《秦腔》
From "Refined Speech" to Shaanxi Opera--A Hopeless Return to the Hometown;
从“雅言”到《秦腔》:无望的回乡——贾平凹长篇小说《秦腔》新论
A small pit, recess, or glandular cavity in the body.
小囊，腺窝，隐窝身体内部的小凹陷、隐窝或腺腔
Experimental study on the influence of fuel supply position of concave cavity on the flow field in trapped vortex combustor by PIV
驻涡燃烧室凹腔供油位置对流场影响的PIV实验
Experimental Investigation of Effects on Ignition in an Axisymmetric Ramjet Combustor Based on Cavity
轴对称凹腔燃烧室点火影响因素的试验研究
In Order to Forget the Memories--Appreciation of Jia Pingwa's Novel "Shanxi Opera"
为了忘却的回忆——贾平凹长篇小说《秦腔》赏析
reentrant acousto-optic light modulator
凹腔声-光学光调制器
True Village Perplexed Feelings--Appreciating the long novel Qin Opera by Jia Pingwa;
真实的乡村 迷茫的情感——解读贾平凹长篇小说《秦腔》