Optimal design of magnetorheological dampers constrained in a specific volume using response surface method...fluids.The geometric optimal design of MR valves/dampers is an important issue to improve the damper performance, such as damping force, valve ratio and inductive time constant....
Concomitant stenting of the patent ductus arteriosus and radiofrequency valvotomy in pulmonary atresia with intact ventricular septum and intermediate right ventricle: early in-hospital and medium-term outcomes ...2.2 and the mean tricuspid valve/mitral valve ratio was 0.62...
Morphometric comparison of the neotype of asterionella formosa hassall (heterokontophyta,bacillariophyceae) with asterionella edlundii sp. nov. from lake hovsgol, mongolia... Specimens were digitized and measured for valve length, mid-valve width, head pole width, and foot pole width, and length to mid-valve ratio was calculated....
Invasive listeriosis of intracardiac device...1.7 : 1 and mitral-to-aortic valve ratio 1.3 : 1....
