Abstract: A nonlinear principal component analysis (NLPCA) is applied to monthly mean zonal wind observations from January 1956 through December 2007 taken at seven pressure levels between 10 and 70 hPa in the stratosphere near the ...

Abstract: Corrosion failure generally results in pipeline leakages during oil production. This paper systematically investigated the pipeline failure events in an oil treatment station of Tahe oilfield in the last 20 years were ...