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75 results for “Silica”
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Research ArticleOpen accessIn the abstractTHE HIGH VOLUME REUSE OF HYBRID BIOMASS ASH AS A PRIMARY BINDER IN CEMENTLESS MORTAR BLOCKCheah Chee Ban, Noor Shazea Ahmad Nordin, Part Wei Ken et al.High Calcium Wood Ash (HCWA) and Pulverised Fuel Ash (PFA) are by-products from the wood biomass and coal energy production which are produced in large quantity with combined annual production of 500 million tonnes. This poses a serious problem for disposal of the waste material especially at places where land is scarce. The prescribed study was aimed to examine the … …American Journal of Applied Sciences, Vol. 11, Issue 8 · 29 May 2014 · 7,168 accessesView PDFCite
Research ArticleOpen accessIn the abstractINVESTIGATING EFFECTS OF INTRODUCTION OF CORNCOB ASH INTO PORTLAND CEMENTS CONCRETE: MECHANICAL AND THERMAL PROPERTIESAntonio Price, Ryan Yeargin, Ellie Fini, Taher Abu-LebdehThe purpose of this study was to evaluate the benefits of replacing Ordinary Portland Cement (OPC) with Corncob Ash (CCA) blended cements. The cement industry contributes considerable amount of Carbon Dioxide (CO2) emissions into the atmosphere. The main contribution of CO2 emissions from cement production results from the process of creating Calcium Oxide (CaO) from limestone (CaCO3) commonly known as … …American Journal of Engineering and Applied Sciences, Vol. 7, Issue 1 · 31 Mar 2014 · 9,816 accessesView PDFCite
Research ArticleOpen accessIn the abstractTunneling Operations, Occupational S&H and Environmental Protection: A Prevention Through Design ApproachDavide Labagnara, Alberto Martinetti, Mario PatruccoThe study refers on the main results of a research work that has been carried out by the Safety and Health group of the Department of Environment, Land and Infrastructure Engineering (DIATI) at the Politecnico di Torino, with reference to the substantial difference that exists between the case of an established absence of hazards due to the presence of noxious … …American Journal of Applied Sciences, Vol. 10, Issue 11 · 11 Sep 2013 · 6,776 accessesView PDFCite
Research ArticleOpen accessIn the abstractCost-Effective Wire-Harness Model by Using Polymer Optical FiberMohammad Syuhaimi Ab-Rahman, Farshad Nasimi KhamenehIn the past decade automotive industries faced the exponential increase of in-vehicle electronic devices. The hydraulic systems are replacing with sophisticate electronic systems. Market demands for exploiting new in-vehicle technologies such as multimedia systems, internet access, GPS, Mobile communication, internal private network; engine, body and power train intelligent control and monitoring systems are increasing daily. These new needs make the … …Journal of Computer Science, Vol. 9, Issue 7 · 25 Jun 2013 · 7,025 accessesView PDFCite
Research ArticleOpen accessIn the abstractNatural Radioactivity at an Uraniferous SiteClaudio de Carvalho Conti, Esau Francisco Sena Santos, Isabel Cristina Poquet SalinasThe aim of this study is to evaluate the soil composition, the radioactive isotopes concentration and the outdoor air Kerma in the region of the Uraniferous Province of Lagoa Real, Bahia State, located at northeast of Brazil. It has used data from an airborne gamma-ray survey previously carried out in the region, namely Projeto Sao Timoteo and computer simulations of … …Energy Research Journal, Vol. 3, Issue 1 · 14 Feb 2013 · 7,459 accessesView PDFCite
Research ArticleOpen accessIn the abstractUtilization of Recycled and Waste Materials in Various Construction ApplicationsJohnny Bolden, Taher Abu-Lebdeh, Ellie FiniMore production equals more waste, more waste creates environmental concerns of toxic threat. An economical viable solution to this problem should include utilization of waste materials for new products which in turn minimize the heavy burden on the nation’s landfills. Recycling of waste construction materials saves natural resources, saves energy, reduces solid waste, reduces air and water pollutants and reduces … …American Journal of Environmental Sciences, Vol. 9, Issue 1 · 15 Jan 2013 · 24,574 accessesView PDFCite
Research ArticleOpen accessIn the abstractDetermination of Heavy Metals and Other Elements in Artisanal Gold Mining SoilsS. Girigisu, I. G.E. Ibeanu, D. J. Adeyemo, S. OkohProblem statement: The possible exposure of heavy elements to life as a result of artisanal gold mining activities can be of great concern because of its associated effect on health. Approach: Soil samples from the artisanal gold mining sites of Awwal and Bagega villages in Kebbi and Zamfara states of Nigeria were collected and analyzed for heavy and other elements … …American Journal of Applied Sciences, Vol. 9, Issue 7 · 14 May 2012 · 7,191 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Recovery of Used Palm Cooking Oil Using Bagasse as AdsorbentRizki Wannahari, Mariam Firdhaus Mad NordinProblem statement: The use and reduce cooking oil is a common phenomena in our society. While some of this cooking oil is further refine most of it however and not subject to any filtration in the refining process medium such as carbon active, silica are commonly use. Approach: The used of bagasse as adsorbent is not common. This is odd … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 1 · 2 Mar 2012 · 10,323 accessesView PDFCite
Research ArticleOpen accessIn the abstractSungai Mas and OC-EO Glass Beads: A Comparative StudyZuliskandar Ramli, Nik Hassan Shuhaimi Nik Abd. Rahman, Adnan JusohProblem statement: Sungai Mas, Kedah, Malaysia and OC-EO, Vietnam, was two of the Indo-Pacific beads making centre’s in Southeast Asia. The drawn monochrome glass beads or Indo-Pacific beads industry begun in Arikamedu, India since 200BC was identified by Ptolemy as Poduca Emporium, with the presence of a small colony of Roman merchants. Arikamedu was abandoned by the 3rd century and … …Journal of Social Sciences, Vol. 8, Issue 1 · 28 Oct 2011 · 8,497 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioassay Guided Isolation of Antibacterial Compounds from Andrographis paniculataAbubakar Sule, Qamar Uddin Ahmed, Othman Abd. Samah et al.Problem statement: Chronic disease-causing bacteria of medical importance have developed resistance to antibiotics, hence, necessitating distinct and constant need for safe and efficient therapeutic agents. Plants are considered potent candidate for this aim. A way out of reducing antibiotic resistance and adverse effects on host is the employment of antibiotic resistance inhibitors of plant origin. Approach: About 5 kg pulverized … …American Journal of Applied Sciences, Vol. 8, Issue 6 · 13 Jun 2011 · 10,027 accessesView PDFCite