在用这一原型进行试验的过程中,Silver发现他可以通过在两层柔韧隔膜之间加入数量不等的硅油来调整镜子的镜片。
While experimenting with his mirror prototypes, Silver found he could adjust the lens in the mirrors by varying the amount of silicone oil between two flexible membranes.
研究设计:前瞻性评估一种新的悬吊试验以确定青少年特发性脊柱侧凸(AIS)的脊柱柔韧性,并与直立位侧方推挤试验相比较。
Study Design. Prospective evaluation of a new suspension test to determine curve flexibility in adolescent idiopathic scoliosis (AIS) in comparison with erect side-bending.
评估涂料柔韧性的物理弯曲试验。
Physical bending test for evaluating flexibility of a coating.
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