Research ArticleOpen accessIn the abstractED-XRF Analysis of Total Suspended Particulates from Enamelware Manufacturing IndustryJ. A. Sonibare, F. A. Akeredolu, O. Osibanjo, I. LatinwoConcentration and elemental composition of the total suspended particulates (TSP) emitted due to manufacturing activities of an enamelware industry in Lagos, Nigeria were investigated. Gravimetric method was used in mass concentration determination and an energy dispersive x-ray fluorescence (ED-XRF) analyzer was employed in the multi-elemental analysis. The Federal Ministry of Environment (FMENV, Nigeria's environment regulating body) set limit of 250 … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 6,683 accessesView PDFCite
Research ArticleOpen accessIn the abstractBy-pass Devices as Effective Means of Protection from the Hydraulic HammerKhalid S. Al-RababaSwitching-off the parallel working pump units causes sudden discharge changes in parallel pipe lines, as a result of that hydraulic shocks takes place. The damping of these shocks can be achieved by the installation of the by-pass devices between the parallel lines of the piping system. The analytical calculations demonstrate that the reduction in hydraulic shocks reaches 40% and considerable … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 6,912 accessesView PDFCite
Research ArticleOpen accessIn the abstractEvaluation of a New Device, Automated Shower head on Water Conservation in Bath ShowersM. Shamsi, G. H.S. BonjarIn cosmopolitan areas and big cities of the world, shortage of drinking water during the peaks of consumption hours is a noticeable problem. Many people may not have piped water during these critical hours especially in summer times. To minimize this problem, an electronic control valve was designed and developed which saved about 70% of water in each showering session … …American Journal of Applied Sciences, Vol. 1, Issue 4 · 31 Dec 2004 · 7,201 accessesView PDFCite
Research ArticleOpen accessIn the abstractSex Bias in Secondary School Social Studies Textbooks: A Case Study in IndiaK. Sumalatha, D. RamakrishnaiahTextbooks are filled with names of famous men and authors. So a reexamination of the composition of the textbook writing staff has been necessary for the staff’s conception of male-female equality has a tremendous influence on the formation of gender role consciousness in children. It is difficult for girls to find names of women who were active in times of … …American Journal of Applied Sciences, Vol. 1, Issue 1 · 31 Mar 2004 · 8,490 accessesView PDFCite