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OBJECTIVE To compare the anticancer effects of flavonoids extracts of Scurrula parasitica from different host trees in vitro. METHOD 80% ethanol extracts of S. parasitica parasitizing on Nernium indicum, Morus alba, Opsmanthus fragrans, and Sapindus mulorossi were purified by polyamides column chromatography, and the eluates of 30%, 50%, 70% and 90%… (More)
OBJECTIVE To observe the in vitro anticancer effect of Nispex, the total flavonoids extract from Scurrula parasitic L. METHODS The cell proliferation inhibitory effects of Nispex on various kinds of tumor cells or non-tumor cells in human and rats were detected with MTT assay and colony forming assay respectively, the cell apoptosis induced by Nispex was… (More)
An inequality on the variation of the product of two functions of bounded variation and some applications in numerical solution of certain class of parabolic partial diierential equations by low-discrepancy sequences are given.
In this paper, we study the geometric generation of the (0; m; 2)-nets. Based on some combinatorial methods, a generation property on (0; m; 2)-nets with an applications to a Sobol' sequence and the number of the (0; m; 2)-nets in equivalent sense are given. We also present some symmetry properties of the Sobol' sequence and the Roth-Zaremba sequence.
In this paper, we estimate the star-diaphony and the diaphony of the Roth sequence and the Zaremba sequence using their L 2-discrepancy formula given by Halton and Zaremba (see 3]), and White (see 17]). The optimal estimates and the exact asymptotic behaviours of the star-diaphony and the diaphony of both sequences are given. Moreover, the exact asymptotic… (More)
In this paper, we introduce the notion of volume-discrepancy (and of isotropic volume-discrepancy) of a sequences of points and we establish some of their basic properties. This notion is illustrated by an application to a reliability problem.
A cusp catastrophe model Y. Xiao et al.