Objective To explore the value of elastography score and strain rate ratio in the diagnosis of small breast malignant focus.
目的:探讨超声弹性成像评分法及应变率比值在乳腺微小恶性病灶诊断中的价值。
参考来源 - 乳腺微小癌的超声弹性成像评分与应变率比值的相关性分析(英文)·2,447,543篇论文数据，部分数据来源于NoteExpress
The relationships between strain rate and the elastic modulus, critical strain, Poisson's ratio and energy absorption capacity of concrete are still studied.
分析了应变率对混凝土弹性模量、峰值应力时的应变、泊松比和混凝土吸能能力的影响。
Raising the testing strain rate, the strength and yield ratio increased the plasticity slightly decreased, but the strain rate hardening index kept constant.
应变率增加，材料强度提高，屈强比增大，塑性略有降低，但流变阶段应变率强化系数基本不变。
Through the stress-controlled test the effect of the amplitude ratio, the average stress, stress amplitude and loading rate on the ratcheting strain and strain range are studied.
通过应力控制，研究了幅值比，平均应力，应力幅，加载率对棘轮应变以及棘轮应变幅的影响。
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