Review on flow stability and breakdown of thin liquid films;
液体薄膜流稳定性和破断特性的研究进展
In this paper, the measurements for the thickness of the free fallingliquid films which doesn t contact measure instrument and the experimentalstudies to the breakdown characteristic of the free falling liquid films arepresented by the experiment equipment which design and build independently.
本文通过自行设计、搭建试验台,进行了自由下降液膜厚度的无接触测量和自由下降液膜破断特性的实验研究。
Study on fracture mechanism and catastrophic collapse of strong roof strata above the mined area;
采空区坚硬顶板破断机理与灾变塌陷研究
Fracture analysis of intermediate tie rod was carried out by metallography, scanning electron microscope and EDS.
采用金相显微镜、扫描电镜、电子能谱仪等方法对钻井泵中间拉杆破断失效进行了分析。
With a specially designed experimental instrument,the mechanism of load transfer within an unconsolidated confined aquifer and its effect on compound breakage of key strata have been studied.
采用专门设计的物理模拟试验装置及数值模拟试验方法,就松散承压含水层的载荷传递机制及对覆岩关键层复合破断的影响进行深入研究。
Creep failure behavior of welded joints of stainless steel OCrl8Ni9 was studied by cryo-cracking method in this paper.
利用低温破断方法研究了0Cr18Ni9不锈钢焊接接头的蠕变失效行为,通过对试样断口进行扫描电镜分析,探讨了温度和载荷对接头蠕变失效行为的影响,得到了试样断口形貌特征与温度和载荷的关系。