The detection and attribution of the abrupt change of precipitation in China based on the power-law exponent;
利用幂律尾指数的中国降水突变检测与归因
According to the characters of abrupt change and gradual change,a twice difference based method and a window-difference maximum based method are proposed for abrupt change detection and gradual change detection separately.
针对突变和渐变的特点,提出了一种适合突变检测的二次帧差法和适合渐变检测的窗口最大值法。
According to the climate data observed by 19 weather stations in Hexi corridor from 1960 to 2005,the annual and seasonal agricultural climate resources,including light,heat and water and so on,are diagnostically analyzed by using the method of climate changing tendency,and the abrupt changes of critically agricultural resources factors are analyzed by approach of Mann-Kendall.
以1960~2005年河西走廊地区19个气象站46年的气候资料为基础,运用气候变化倾向率方法对该地区年及春、夏、秋、冬四季的光、热、水等主要农业气候资源要素进行诊断分析,并应用Mann-Kendall方法对主要农业气候资源要素的突变性进行了检测和分析。
Study on the Damage and Mutation of sf9 Cell and AcMNPV Treated by HgCl_2;
氯化汞对草地贪夜蛾sf9细胞及核型多角体病毒的损伤与致突变研究
Study on influence of activity site mutation on Aspergillu. ficuum phytase preferable pH.;
活性位点突变对A.ficuum植酸酶pH偏好性影响的研究
Judgment and Treatment of Detection Result's Mutation in Water Quality's Automatic Monitoring;
对水质自动监测中测量值突变的判别与处理
Distribution of UGT1A9 C-2152T and UGT2B7 G211T mutants in Chinese Han population;
UGT1A9 C-2152T和UGT2B7 G211T突变在中国汉族人群中的分布
Construction and identification of human mutant hypoxia inducible factor-1α adenovirus vector;
人突变型低氧诱导因子1α腺病毒载体的构建及鉴定
Construction and immunogenicity of an attenuated mutant of Actinobacillus pleuropneumoniae by insertional inactivation of apxIC;
胸膜肺炎放线杆菌apxIC基因插入失活突变株构建及免疫原性分析
Study on Catastrophe Behavior of Backdraft in Building Fires;
突变理论应用于腔室火灾中的回燃现象
The Catastrophe and Continual Chaos of Continual Dynamic System of Digital Human Body;
数字人体连续动态系统的突变与连续混沌
Research on microstructural catastrophe model of deformation of collapsible loess;
湿陷性黄土变形的微结构突变模型研究
Effects of the sudden changes in polynomial on Precision;
多项式突变对拟合精度的影响
Theory and calculation results show that the method can detect the information of sudden change in different scale seismic signals and reduce noise effectively.
理论和计算结果表明 ,该方法能够检测出不同尺度下的地震信号突变特征 ,且具有一定的抑制噪声能力。