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It is of great significance to understanding deeply mechanism of precipitation and estimating accurately amount of precipitation. The purpose of this work is to explore the atmosphere effects on the precipitation over the Heihe river basin. Based on NCEP/NCAR re-analysis dataset with the resolution of 1° × 1° and 25° × 2.5° over the period 2000-2006 and monthly precipitation from 15 stations for the...
In present study, human lymphocytes were exposed to cigarette smoke condensates (CSCs) at the doses of 25, 50, 75, 100 and 125μgml −1 with and without S9, and the cyto-genotoxic effects were detected with CCK-8, cell apoptosis and micronucleus assays. DNA repair kinetics was observed with comet assay. Our results indicated that the cell viability decreased with CSCs doses, the percentages...
Because of the influence of psychosocial and environmental factors, customer behavior is sometimes uncertain and inconsistent. However, most of the existing customer segmentation approaches are for certainty segmentation, which cannot objectively describe customer's random and uncertain behavior. Therefore, this article proposes an index system of dynamic customer segmentation based on customer lifetime...
Because of the influence of psychosocial and environmental factors, customer behavior is sometimes uncertain and inconsistent. However, most of the existing customer segmentation approaches are for certainty segmentation, which cannot objectively describe customerpsilas random and uncertain behavior. Therefore, this article proposes an index system of dynamic customer segmentation based on customer...
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