该文介绍了美国Illinois Institute of Technology开发的测试成熟度模型(TMM),给出了修正过的软件开发V模型、TMM结构,描述了软件组织5个测试成熟度等级的行为特征、成熟度目标和成熟度子目标,并说明了TMM实施的方法,以及笔者对测试成...该文介绍了美国Illinois Institute of Technology开发的测试成熟度模型(TMM),给出了修正过的软件开发V模型、TMM结构,描述了软件组织5个测试成熟度等级的行为特征、成熟度目标和成熟度子目标,并说明了TMM实施的方法,以及笔者对测试成熟度模型的考虑。TMM针对软件测试过程的问题和特点,提出了改进软件测试过程及提高软件测试能力的思想和方法,这无疑是对SW-CMM的补充,所以值得积极尝试TMM。展开更多
标题中出现的TMMC是微课程教学法的英文名称“TEACHING METHOD ON THE MICRO-CURRICULUM”的缩写。读苏州市吴中区木渎实验中学化学教师周才萍的新作《微课程教学法提升初中生化学自主学习能力的实践与反思》可见周老师在教学上的成功...标题中出现的TMMC是微课程教学法的英文名称“TEACHING METHOD ON THE MICRO-CURRICULUM”的缩写。读苏州市吴中区木渎实验中学化学教师周才萍的新作《微课程教学法提升初中生化学自主学习能力的实践与反思》可见周老师在教学上的成功和个人专业发展之提升。展开更多
Objective: To revise the Trait Meta-Mood Scale (TMMS) among students in military medical university. Methods: Item analysis, reliability, and validity of the TMMS were examined. Results: Several items were removed acc...Objective: To revise the Trait Meta-Mood Scale (TMMS) among students in military medical university. Methods: Item analysis, reliability, and validity of the TMMS were examined. Results: Several items were removed according to statistical results of item analysis. Conclusion: The revised TMMS has satisfactory reliability and validity.展开更多
Non-destructive techniques of in-situ stress measurement from oriented cored rocks have great potential to be developed as a cost cost-effective and reliable alternative to the conventional overcoring and hydraulic fr...Non-destructive techniques of in-situ stress measurement from oriented cored rocks have great potential to be developed as a cost cost-effective and reliable alternative to the conventional overcoring and hydraulic fracturing methods.The tangent modulus method(TMM)is one such technique that can be applied to oriented cored rocks to measure in-situ stresses.Like the deformation rate analysis(DRA),the rock specimen is subjected to two cycles of uniaxial compression and the stress-tangent modulus curve for the two cycles is obtained from the stress-strain curve.A bending point in the tangent modulus curve of the first cycle is observed,separating it from the tangent modulus curve of the second cycle.The point of separation between the two curves is assumed to be the previously applied maximum stress.A number of experiments were conducted on coal and coal measured rocks(sandstone and limestone)to understand the effect of loading conditions and the time delay.The specimens were preloaded,and cyclic compressions were applied under three different modes of loading,four different strain rates,and time delays of up to one week.The bending point in the stress-tangent modulus curves occurred approximately at the applied pre-stress levels under all three loading modes,and no effect of loading rate was observed on the bending points in TMM.However,a clear effect of time delay was observed on the TMM,contradicting the DRA results.This could be due to the sensitivity of TMM and the range of its applicability,all of which need further investigation for the in-situ stress measurement.展开更多
文摘该文介绍了美国Illinois Institute of Technology开发的测试成熟度模型(TMM),给出了修正过的软件开发V模型、TMM结构,描述了软件组织5个测试成熟度等级的行为特征、成熟度目标和成熟度子目标,并说明了TMM实施的方法,以及笔者对测试成熟度模型的考虑。TMM针对软件测试过程的问题和特点,提出了改进软件测试过程及提高软件测试能力的思想和方法,这无疑是对SW-CMM的补充,所以值得积极尝试TMM。
文摘Objective: To revise the Trait Meta-Mood Scale (TMMS) among students in military medical university. Methods: Item analysis, reliability, and validity of the TMMS were examined. Results: Several items were removed according to statistical results of item analysis. Conclusion: The revised TMMS has satisfactory reliability and validity.
基金financially supported by the Australian Coal Association Research Program(ACARP)under project C29010.
文摘Non-destructive techniques of in-situ stress measurement from oriented cored rocks have great potential to be developed as a cost cost-effective and reliable alternative to the conventional overcoring and hydraulic fracturing methods.The tangent modulus method(TMM)is one such technique that can be applied to oriented cored rocks to measure in-situ stresses.Like the deformation rate analysis(DRA),the rock specimen is subjected to two cycles of uniaxial compression and the stress-tangent modulus curve for the two cycles is obtained from the stress-strain curve.A bending point in the tangent modulus curve of the first cycle is observed,separating it from the tangent modulus curve of the second cycle.The point of separation between the two curves is assumed to be the previously applied maximum stress.A number of experiments were conducted on coal and coal measured rocks(sandstone and limestone)to understand the effect of loading conditions and the time delay.The specimens were preloaded,and cyclic compressions were applied under three different modes of loading,four different strain rates,and time delays of up to one week.The bending point in the stress-tangent modulus curves occurred approximately at the applied pre-stress levels under all three loading modes,and no effect of loading rate was observed on the bending points in TMM.However,a clear effect of time delay was observed on the TMM,contradicting the DRA results.This could be due to the sensitivity of TMM and the range of its applicability,all of which need further investigation for the in-situ stress measurement.
