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- The factors which may give influence on negative strain rate effect,are especially discussed incl... 随着应变率的进一步提高,两者又都存在一定程度的应变率弱化倾向。
- Keywords active vibration control;PZT;digital filter;negative strain rate feedback;positive strain feedback;single_input_multi_output（SIMO）control; 振动主动控制;压电陶瓷;数字滤波;应变率负反馈;应变正反馈;SIMO控制;
- negative strain rate 反向应变率
- Strain rate and stress are nonlinearly related. 应变速率和应力呈非线性关系。
- Moreover, the high temperature plasticity increasewith the strain rate. 此外该合金的高温塑性亦随应变速率的增大而增加。
- Conclusion: Gram negative strains remain most common in biliary tract infection, but the rate of Enterococcus and Acinetobacter strains is rising. 病原菌分布广，耐药性增加，需加强病原菌的检测和耐药性分析，有针对性地合理选用抗菌药物。
- Strain rate was significantly correlated with Ep, Es, stiffness and distensibility. SR与Ep、Es、僵硬度、膨胀性均有明显的相关性。
- Based on thesereasons, both overshoot and undershoot do not appear in the case of high strain rate. 基于这些原因，都超下冲不显示的情况下高应变率。
- However, higher strain rate tests were performed using a Split Hopkinson Pressure Bar (SHPB). 而在高应变率下，实验则将利用分离式霍普金森杆 (SHPB)来测试。
- Results: Although strain and strain rate declined from basal segment to apex, there was no statistical difference. 结果：基底段到心尖段应变与应变率呈下降趋势，但统计学差异无显著性。
- On the other hand, in the case of high strain rate, both overshoot and undershoot do not appear. 另一方面，在高应变率，都超下冲不会出现。
- A piezoelectric SSA is implemented based on a strain rate bridge circuit and exhibits excellent performance in suppressing the vibration of a cantilever. 基于应变速度电桥电路制成了压电陶瓷自感知执行器，实验表明能有效抑制悬臂梁的振动。
- The mean peak velocity(EVe, EVa) and ratio(EVe/EVa), the mean peak strain rate(Ee, Ea) and ratio(Ee/Ea) were calculated. 计算前后瓣环的平均峰值速度(EVe、EVa)及比率(EVeEVa); 平均峰值应变率(Ee、Ea)及比率(EeEa)。
- The results of drug susceptibility showed that the resistant rates of Cram negative strains to imipenem (0.6%) and piperadillin/tazobactam (7.2%) were low. 药敏结果表明：革兰阴性菌对亚胺培南(0.;6%25)和哌拉西林/他唑巴坦(7
- The proposed model can describe the influence of general stress state, different overconsolidated degrees and various stress or strain rate as a whole. 所提出的模型能够综合反映出由于三维应力状态、不同超固结度和不同应力速率或应变速率对于应力应变关系的影响。
- Such results indicated the compound nerve action potential (CNAP) amplitude drop was dependent on the strain level and independent of strain rate. 其结果显示，在两个不同应变速率下，神经的电传导性并没有显著的差异，且神经电位减少的程度取决于应变的大小而跟应变速率 无关。
- The flow stress of 7A60 ultra high strength aluminum alloy was studied by isothermal compress test at constant strain rate. 采用等温恒应变速率压缩试验对7A60超高强度铝合金的流动应力进行了研究。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The theoretical rules among the high temperature performance of the brazing alloy, strain rate and the function of Co alterant are analyzed. 分析了钎料高温性能与应变速率、钴的变质剂作用等因素之间的理论规律。
- Background: Strain rate (SR) imaging is an emerging technique for assessing myocardial systolic and diastolic functions. 摘要背景：变异率影像是一种评估心脏收缩及舒张功能的新方法。
