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[期刊论文] 作者：YU Ji-feng,SUI Feng-gui,LI Zen,
来源：中国矿业大学学报：英文版 年份：2008
作者申请了一连续小浪变换(享特威) 和快 Fourier 变换(快速傅里叶变换) 的联合方法到 gamma 光线从 Q3， G1 和 D2 的记载得好的数据井。这高分辨率的 stratigraphic 研究基于...
Recognition of Milankovitch cycles in the stratigraphic record:application of the CWT and the FFT to
[期刊论文] 作者：YU Ji-feng,SUI Feng-gui,LI Zen,
来源：中国矿业大学学报（英文版） 年份：2004
The authors applied a the combination of Continuous Wavelet Transform (CWT) and Fast Fourier Transform (FFF)methods to gamma ray well-log data from the Q3, G1 a...
Construction of ER-β siRNA Expression Vector and Its Expression in Human Periodontal Ligament Fibrob
[期刊论文] 作者：LIANG Li,YU Ji-feng,WANG Yan,W,
来源：美中医学 年份：2007
...
Vitreoretinal surgery combined with C-arm fluoroscopic-guided removal of intraorbital foreign body f
[期刊论文] 作者：ZHOU Xi-bin,HUANG Yi-fei,WANG Li-qiang,YU Ji-feng,
来源：中华医学杂志英文版 年份：2013
...
Deposition of coal-bearing measures and coal accumulation under marine transgression ‘events’ in Nor
[期刊论文] 作者：LI Zeng-xue,YU Ji-feng,GUO Jian-bin,HAN Mei-lian,
来源：煤炭学报（英文版） 年份：2006
In recent years, studies show that coal formed during marine transigression process is also important in coal accumulation basin. Still, the characteristics of coal formation is more clearly demonstrated by the coal formation in TST in the ......
On the analysis of the high-resolution sequence stratigraphy and coal accumulating law of jurassic i
[期刊论文] 作者：LI Zeng-xue,HAN Mei-lian,LI Jiang-tao,YU Ji-feng,L(U) Da-wei,LIU Han-feng,
来源：煤炭学报（英文版） 年份：2008
The strata of Jurassic was divided into three tectonic sequences and eight se-quences of third rank, according to the developing feature of the tectonic inconformity and the transforming feature of the depositional system tracts. Also the i......
[期刊论文] 作者：YU Ji-feng (余继峰),LI Zeng-xue(李增学),HAN Mei-lian(韩美莲),
来源：煤炭学报（英文版） 年份：2002
In the paper,the foundation,development,basic conception and general characteristics of fractal and the calculating method of the fractional dimension are expounded briefly, and the current situation and prospect of the fractal application ......
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