Scientific Research Publishing

Read  full  paper  at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53867#.VNm0gizQrzE Author(s)   Jianan Zhao , Cejun Cao *   Affiliation(s) School of Management, Jinan University, Guangzhou, China . ABSTRACT Demand forecasting on relief is the premise and basis of material allocation scheme in emergency logistic system. Reasonable demand forecasting method can facilitate relief distribution, thus avoiding the phenomenon that supply-demand imbalance and relief distribution delay. In this paper, relief will be categorized from point view of government and academia, to explain the relationship between relief categorization and demand forecasting. Then introduce the characteristics of relief-demand from several aspects, such as sudden, uncertainty, timeliness, and stage. Finally, this paper gives an overall conclusion on current development of relief demand forecasting method. And elaborate the application of case...

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52365#.VJOAUcCAM4 Author(s)   Zhongfan Zhu Affiliation(s) College of Water Sciences, Beijing Normal University, Beijing, China . ABSTRACT Investigation on flocculation phenomenon of cohesive fine-grained sediment has been a important part of sediment dynamics. During all of three dynamical factors (i.e., Brownian motion, flow shear and differential settling) that have been verified to play important roles in promoting flocculation of cohesive sediment, the influence of flow shear on sediment flocculation has been paid great attention by many researchers (this flocculation pattern has been termed as “orthokinetic flocculation” in m...