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85 results for “Carbon dioxide”
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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 abstractPYROLYSIS OF EMPTY FRUIT BUNCHES: INFLUENCE OF TEMPERATURE ON THE YIELDS AND COMPOSITION OF GASEOUS PRODUCTMohamad Azri Sukiran, Loh Soh Kheang, Nasrin Abu Bakar, Choo Yuen MayWith the increasing concern on fossil fuel depletion and environmental problems, the utilization of renewable biomass resources is expected to play an important role in the future. Biomass can be converted into a variety of fuels and chemicals by different processes; one of which is pyrolysis that has been subjected to extensive research in recent years. In this study, pyrolysis … …American Journal of Applied Sciences, Vol. 11, Issue 4 · 3 Feb 2014 · 7,621 accessesView PDFCite
Research ArticleOpen accessIn the abstractProduction of Palm Oil with Methane Avoidance at Palm Oil Mill: A Case Study of Cradle-to-Gate Life Cycle AssessmentChiew Wei Puah, Yuen May Choo, Soon Hock OngThe study discusses a case study of cradle to gate life cycle assessment for the production of Crude Palm Oil (CPO) with methane avoidance at palm oil mill. The improved milling process enables total utilization of the oil palm fruit to produce alow oil palm based food source. The minimal modification in the mill includes cleaning of Fresh Fruit Bunches … …American Journal of Applied Sciences, Vol. 10, Issue 11 · 9 Sep 2013 · 7,390 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparison of Isoflurane and Sevoflurane Anesthesia in Holstein Calves for Placement of Portal and Jugular Vein CannulasGlen Sellers, Hui-Chu Lin, Manuel Felipe Chamorro, Paul Harold WalzIsoflurane and sevoflurane are the two most commonly used inhalation anesthetics in veterinary medicine today. This study compared the anesthetic effects between isoflurane and sevoflurane in 17 calves undergoing surgery for placement of portal and jugular vein cannulas. Using a randomized control trial, calves were assigned to receive sevoflurane or isoflurane. Anesthesia was induced with xylazine and ketamine then maintained … …American Journal of Animal and Veterinary Sciences, Vol. 8, Issue 1 · 2 Jan 2013 · 7,909 accessesView PDFCite
Research ArticleOpen accessIn the abstractGaseous Emissions and Combustion Efficiency Analysis of Hydrogen-Diesel Dual Fuel Engine under Fuel-Lean ConditionPrateep Chaisermtawan, Sompop Jarungthammachote, Sathaporn Chuepeng, Thanya KiatiwatExhaust gas emissions from diesel engine combustion using alternative fuel may change in their quantities that can affect exhaust gas after-treatment devices and environmental ambient. This study presents theoretical analysis of combustion generated emissions and efficiency of hydrogen-diesel duel fuel in fuel-lean condition. A chemical equilibrium method by minimizing Gibbs free energy is employed to estimate exhaust gas products from … …American Journal of Applied Sciences, Vol. 9, Issue 11 · 1 Sep 2012 · 7,514 accessesView PDFCite
Research ArticleOpen accessIn the abstractDevelopment of a Electrically Inspired Low Emission Microcontroller Based Hybrid VehicleM. Habib Ullah, T. S. Gunawan, Sharif M. Raihan, Riza MuhidaProblem statement: Recently, influx of research afford is being concentrated in automobile engineering to develop low emission hybrid electric vehicle to reduce the greenhouse gases such as hydro-carbons, carbon monoxide, carbon dioxide, produces from the vehicle. Approach: Hybrid Electric Vehicles (HEVs) powered by electric machines and an Internal Combustion Engine (ICE) are a promising mean of reducing emissions and fuel … …American Journal of Applied Sciences, Vol. 9, Issue 10 · 25 Aug 2012 · 7,200 accessesView PDFCite
Research ArticleOpen accessIn the abstractStudy of Ambient and Indoor Air Quality in the Building Built on the Former LandfillAnuar Ithnin, Nazipah Zakaria, Nor Azura Sulong et al.Problem statement: The air quality study of PPR Taman Wahyu II, Selayang, Selangor was a residential project that was built on the former landfill site. The landfill site will produce landfill gases which can influence the air quality level in and outside the building. Approach: This air quality study also involving PPR Intan Baiduri, Batu Caves, Selangor as a control … …American Journal of Applied Sciences, Vol. 9, Issue 8 · 21 Jun 2012 · 6,994 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Role of CO2 Emission in Energy Demand and SupplyMd. Azizul Bari, Joy Jacqueline Pereira, Rawshan Ara Begum et al.Problem statement: During the last few years in Malaysia, the amount of Carbon Dioxide (CO2) released into the atmosphere has been rising extensively. The main source of CO2 is power source of automobile and industry that are contributing the main role for these CO2 emissions. But these sectors are also very important for economic growth and developments. The aim of … …American Journal of Applied Sciences, Vol. 9, Issue 5 · 22 Feb 2012 · 7,063 accessesView PDFCite
Research ArticleOpen accessIn the abstractCharacterization, Concentrations and Emission Rates of Volatile Organic Compounds from Two Major Landfill Sites in KuwaitMohammad AlAhmad, Marwan Dimashki, Abdallah Nassour, Michael NellesProblem statement: The emission of pollutants from landfill sites in Kuwait is of major concern due to the associated adverse environmental and health impacts. There are 18 landfill sites in Kuwait which are contributing to the emission of atmospheric pollutants including; methane, carbon dioxide and Volatile Organic Compounds (VOCs). Approach: Determine the concentration and composition of VOCs in LFG emissions … …American Journal of Environmental Sciences, Vol. 8, Issue 1 · 17 Feb 2012 · 7,980 accessesView PDFCite
Research ArticleOpen accessIn the abstractEarly Age Thermal Conditioning Improves Broiler Chick's Response to Acute Heat Stress at Marketing AgeAhmed M. Hassan, P. Gopal ReddyProblem statement: Acute heat stress at marketing age especially in broiler chickens raised in open houses with reduced means of heat exchange leads to economic losses. The objective of this study was to determine beneficial effects of early age thermal conditioning in reducing adverse effects of acute heat stress and decrease losses. Approach: Ninety one day-old broiler chicks were randomly … …American Journal of Animal and Veterinary Sciences, Vol. 7, Issue 1 · 17 Feb 2012 · 8,664 accessesView PDFCite