用秩次相关分析法检验得出灞河出山径流序列均存趋势性，用有序聚类分析法分析得出灞河出山径流序列的突变年份是1948年。
Rank correlation analyses show that all of the runoff sequence change with tendency, and the sudden change appeared in 1948, as concluded by order cluster analysis method.
本文首先构造了单位根过程外生性结构突变的检验，排除了数据生成过程的突变对建模的影响。
Firstly, we construct the test of the exogenous structural mutation for a unit root process and this eliminates the influences on the model from the mutation of the data growth process.
同时，对算法进行加噪检验，结果表明混沌动力结构突变检测方法具有较强的抗噪能力。
Then a noise-adding test is made to prove that the chaotic catastrophe detection has better anti-noise capability.
目的探索H BV作为基因治疗载体的可能性及检验HBV点突变表达显性阴性突变体抗hbv的作用。
Objective to explore the possibility of using HBV as a gene delivery vector, and to test the anti-HBV effects by intracellular expression of dominant negative mutants of core protein.
通过考虑结构变化的单位根检验发现，1985～2008年的国内旅游年人均出游率是一个带有两个结构突变点的趋势平稳过程。
Based on the unit root test with structural changes, the results show that the Chinese domestic per tourism rate from 1985 ~ 2008, is stationary trend with two structural broken points.
结论利用“语意连贯性检验”、“背景噪声图谱连贯性检验”、“突变声痕检验”等方法可以实现对录音剪辑的检验。
Conclusion Recording editing can be examined by the methods of "identification of meaning consistency", "identification of background noise consistency" and "identification of voice chop".
结果：对照组和苯酮尿症组该突变位点的基因频率分别为70.2％和79.5％，经统计学检验无显著性差异。
Results: the mutation frequency of V245V in the control group and PKU group was 70.2 % and 79.5 % respectively. There was no significant difference between the two groups.
由于结构突变的存在会影响数据平稳性的检验结果，导致在进行协整分析时得出错误的结论。
Since the existence of structural shifts would bias the result of stationary test, which could lead to mendacious result in cointegration analysis and misleading conclusions.
本文采用均值差异假设检验研究了中国、北半球和全球气温历史序列的突变现象。
Abrupt changes of yearly air temperature series in China, the Northern Hemisphere and the Globe are detected with a statistical test in this paper.
本文采用均值差异假设检验研究了中国、北半球和全球气温历史序列的突变现象。
Abrupt changes of yearly air temperature series in China, the Northern Hemisphere and the Globe are detected with a statistical test in this paper.
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