4篇
您的检索式：作者名="Stickler DL"
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| 1 | Gliomastimulated chemoattraction of endothelial cells and fibroblasts in vitro: a model for the study of glioma-induced angiogenesis显示文摘 | Yassini PR Stickler DL Bloomfield SM | 1994 | Metab Brain Dis1994，9，4： | 1 |
| 2 | Gliomastimulated chemoattraction of endothelial cells and fibroblast in vitro : a model for the study of glioma-induced angiogenesis显示文摘 | Yassini PR Stickler DL Bloomfield SM | 1994 | Metab Brain Dis1994，9，4： | 1 |
| 3 | A prospective controlled study of the efficacy of short-term anticoagulation therapy in patients with deep vein thrombosis of the lower extremity显示文摘 | AbuRahama AF Stickler DL Robinson PA | 1998 | J Vasc Surg1998，28，4： | 1 |
| 4 | Brief Review and Reconsideration of Fatigue Crack Closure Effect in Materials显示文摘The state-of the-art of fatigue crack closure effect, involving the mechanisms, measurements,models, evaluation methods, innuencing factors and existing problems is briefly reviewed. Attention is concentrated on a new consideration of closure effect and a re-definition of the effective d riving force for the propagation of a fatigue crack. A theoretical basis fOr measuring the closure effect is established. The proposed closure concept takes into account the role of the lower portion of loading cycle below the opening load. The conventionaI closure concept is proven to be correct only for some extreme cases which are practically non-existent fOr engineering materials. A miniature strain gauge tech nique is developed to measure the crack closure. Stressratio-change tests at threshold level clearly indicate the shortcomings of the conventional closure concept, and the validity of the newly-proposed closure concept. The application of the proposed concept can give rise to a new method for the determination of the effective fatigue threshold of materials. If the fatigue threshold is measured at a sufficiently negative stress ratio (R | Chen, DL Weiss, B Stickler, R Wang, ZG | 1997 | Journal of Materials Science & Technology1997，13，1： | 0 |
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