Forcing a cool material to flow can generate excessive shear energy and localized degradation in the screw's flow channel. 强迫一种冷的材料流动会产生极大地剪切能,并在螺杆的流道中产生降解。
The delamination can not only induce shear stiffness degradation, but also bending stiffness degradation. 层间剪切破坏不仅导致剪切刚度的降低,还会引起弯曲刚度的降低。
The indices of the seismic performance of the shear wall, such as stiffness degradation, deformation capability, ductility coefficient and viscous damping coefficient are also analyzed. 同时对这种剪力墙的刚度退化、变形能力、延性系数、粘滞阻尼系数等抗震性能指标进行了分析。
Following conclusions are made: in injection pipelines polymer in solution undergoes mainly mechanical, shear, and chemical degradation; 得出结论:在注聚管道中聚合物主要发生机械剪切降解和化学降解;
This paper also studies the problems of the shear strength of these walls and presents ideas onthe calculation and control of their horizontal deformation as wellas the stiffness degradation at the stage of ultimate strength. 本文还研究了剪力墙抗剪强度问题,并对剪力墙位移计算和控制,达到极限时的刚度退化率提出了看法。
Introduced the technology of selective injecting polymer into individual zones, which is mainly used to solve the interzone contradictions resulted from the general injection mode and the shear degradation problems occurred when using the conventional technology of selective injecting water into individual zones to inject polymer. 介绍了聚合物驱分层注入工艺技术,该技术主要是解决由笼统注入方式而导致的层间矛盾及利用常规分层配水工艺配注聚合物而出现的剪切降解问题。
As a result, it is showed that the tectonic stress, especially shear stress, results in degradation of side chains and functional groups of coal large molecules polymer, and accelerating evolution of hydrocarbon generation. 结果表明,构造应力,尤其是剪切应力对煤大分子聚合物的侧链及官能团,具有一定的降解能力,促进了成烃的演化速率。
Researches show that shear degradation of HPAM solution in low permeability rock is larger than high permeability rock, and injection rate is larger, and shear degradation is more serious. 结果表明:HPAM溶液在低渗透率岩心中的剪切降解大于高渗透岩心;
Due to the deficiency of HA-coating in adhesive strength, the early stability of prosthesis may be gradually destructed by the combined effects of the shear loads of human body, the coating degradation, and other factors. 由于涂层结合强度的相对不足,HA假体的早期稳定性可能在人体载荷及涂层降解等因素的共同影响下逐渐被破坏。
The constant shear strain point accounting for the degradation of stiffness was discussed. 对考虑刚度劣化时的常剪切应变点进行了讨论。
With the ASP flooding in Daqing oil field turning to ⅱ、ⅲ reservoirs, due to the original sub-injection tool for large shear degradation can no longer meet the second and third reservoir separate injection requirements. 随着大庆油田三元复合驱的驱替对象已经主要转向二、三类油层,由于原有的分注工具剪切降解大,已经不能满足二、三类油层分注的要求。