Objective to determine the effect of cemented intramedullary stemtip on bone torsional property at the level of femoral cortical screw holes.
目的确定在股骨假体柄尾端位于股骨螺钉孔水平时对股骨干扭转力学特性的影响。
2
Corrosion products formed by these reactions can prevent normal valve operation and can become embedded in the elastomeric stemtip, preventing the valve from making a complete seal.
这些反应产生的腐蚀产物会阻止正常的阀门运转，深入到人造橡胶阀杆顶端，造成阀门不能完全密封。
3
The tissue culture technology about shoot-tip and stem with auxiliary bud of Kalanchoe Blossfeldian were studied.