Double-crossed-step-stress(DCSS) accelerated life test(ALT) method is widely used for estimating the lifetime of products with high reliability and long lifetime. In order to further reduce the test time and test cost...Double-crossed-step-stress(DCSS) accelerated life test(ALT) method is widely used for estimating the lifetime of products with high reliability and long lifetime. In order to further reduce the test time and test cost, a double-synchronous-step-stress(DSSS) ALT method which combines a double-synchronous-step-downstress(DSSDS) ALT method and a double-synchronous-step-up-stress(DSSUS) ALT method is proposed. The accelerated stresses decrease and increase in a synchronous way with one step in the DSSDS-ALT and DSSUSALT methods, respectively. Monte Carlo method is adopted to simulate the two methods, and the validity and efficiency of them are demonstrated by the simulation results. In addition, a comparison analysis of efficiency between DSSDS-ALT method and DSSUS-ALT method is carried out. The result shows that the DSSDS-ALT method compared with the DSSUS-ALT method can significantly improve the test efficiency under the same test condition.展开更多
目的观察依托咪酯(etomidate,Eto)所致遗忘作用与GABAA受体或NMDA受体的关系。方法小鼠腹腔注射Eto(3 mg.kg-1),建立遗忘模型,在跳台实验和避暗实验中分别观察不同剂量的荷包牡丹碱或NMDA侧脑室注射对遗忘小鼠错误次数(error times,ET)...目的观察依托咪酯(etomidate,Eto)所致遗忘作用与GABAA受体或NMDA受体的关系。方法小鼠腹腔注射Eto(3 mg.kg-1),建立遗忘模型,在跳台实验和避暗实验中分别观察不同剂量的荷包牡丹碱或NMDA侧脑室注射对遗忘小鼠错误次数(error times,ET)、跳台潜伏期(step down la-tency,SDL)、步入潜伏期(step through latency,STL)的影响。结果侧脑室注射荷包牡丹碱(2、4μg)可减少Eto所致遗忘小鼠的ET,延长SDL和STL。侧脑室注射NMDA对Eto所致遗忘小鼠的ET、SDL和STL均无影响。结论GABAA受体是依托咪酯所致遗忘作用的重要靶位,NMDA受体则不是其作用靶位。展开更多
基金the National Natural Science Foundation of China(Nos.51265025 and 51665029)
文摘Double-crossed-step-stress(DCSS) accelerated life test(ALT) method is widely used for estimating the lifetime of products with high reliability and long lifetime. In order to further reduce the test time and test cost, a double-synchronous-step-stress(DSSS) ALT method which combines a double-synchronous-step-downstress(DSSDS) ALT method and a double-synchronous-step-up-stress(DSSUS) ALT method is proposed. The accelerated stresses decrease and increase in a synchronous way with one step in the DSSDS-ALT and DSSUSALT methods, respectively. Monte Carlo method is adopted to simulate the two methods, and the validity and efficiency of them are demonstrated by the simulation results. In addition, a comparison analysis of efficiency between DSSDS-ALT method and DSSUS-ALT method is carried out. The result shows that the DSSDS-ALT method compared with the DSSUS-ALT method can significantly improve the test efficiency under the same test condition.
文摘目的观察依托咪酯(etomidate,Eto)所致遗忘作用与GABAA受体或NMDA受体的关系。方法小鼠腹腔注射Eto(3 mg.kg-1),建立遗忘模型,在跳台实验和避暗实验中分别观察不同剂量的荷包牡丹碱或NMDA侧脑室注射对遗忘小鼠错误次数(error times,ET)、跳台潜伏期(step down la-tency,SDL)、步入潜伏期(step through latency,STL)的影响。结果侧脑室注射荷包牡丹碱(2、4μg)可减少Eto所致遗忘小鼠的ET,延长SDL和STL。侧脑室注射NMDA对Eto所致遗忘小鼠的ET、SDL和STL均无影响。结论GABAA受体是依托咪酯所致遗忘作用的重要靶位,NMDA受体则不是其作用靶位。