Research ArticleOpen accessIn the author namesA Field Study of the Fates of Arsenal and Escort Applied on the Cumberland Plateau in TennesseeJohn Harwood, Rong JiangProblem statement: The low organic soils of the Cumberland Plateau, as well as the karst geology of the region, may promote increased transport of herbicides outside of application sites. We have studied the fates of imazapyr and metsulfuron-methyl applied to a privately owned tract on the Cumberland Plateau in Tennessee and compared the field results with herbicide fate predicted by … …American Journal of Environmental Sciences, Vol. 7, Issue 3 · 11 Jul 2011 · 6,438 accessesView PDFCite
Research ArticleOpen accessIn the author namesWeighted Centroid Correction Localization in Cellular SystemsRong-Zheng Li, Xin-Long Luo, Jia-Ru LinProblem statement: There is a large demand for wireless Location-Based Service (LBS) and it is provided by many wireless cellular systems. In process of positioning a Mobile Station (MS), the computing speed is as important as the positioning accuracy and the algorithm should also be resistant to environmental influences. Approach: A new positioning method based on Weighted Centroid Correction Localization … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 1 · 27 Jan 2011 · 8,979 accessesView PDFCite
Research ArticleOpen accessIn the author namesCharacterization and Evaluation of Algaof Kaolin Deposits of Yemen for Industrial ApplicationAref A. AL-Shameri, Lei Xin RongProblem statement: The Barat-Algaof kaolin deposits are characterized and evaluated for its potentials as an industrial raw material. Approach: This research studied the total mineralogical composition of the kaolin deposit, chemical and physical properties as well as intercalation of kaolinite by urea. Using X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Laser particle size, Centrifuge, data from UK (England) kaolin standard … …American Journal of Engineering and Applied Sciences, Vol. 2, Issue 2 · 30 Jun 2009 · 7,840 accessesView PDFCite
Research ArticleOpen accessIn the author namesFinite Element Simulation and Parametric Studies of Perfobond Rib ConnectorSuhaib Yahya Kasim Al-Darzi, Ai Rong Chen, Yu Qing LiuSimulating the push-out test and conducting parametric study using finite element model are conducted using perfobond connectors. The finite element model was verified through comparing with push-out test results. The verified finite element model was then used to conduct parametric study aiming to investigate the effect of several parameters, such as height and thickness of connector, cross sectional area and … …American Journal of Applied Sciences, Vol. 4, Issue 3 · 31 Mar 2007 · 8,223 accessesView PDFCite