Effects of Stalk Cell Wall and Tissue on the Compressive Strength of Maize Effects of Qianggu Electuary on Ovariectomized Osteoporotic Rats Cure effects of Jiangu Fufang on osteoporotic model induced by ovariectomy Root system distribution and biomechanical characteristics of Bambusa oldhami Differential response to wind and shade in mother leaf of Potentilla reptans Lumbar Spine Subjected Stress Characteristic for Operators Using Chain Saw in Forest Harvesting and Finite Element Analysis Effects of Dioscorea septemloba on bone metabolism in ovariectomized rats