8 articles for “Eco-Efficiency”

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Research ArticleOpen accessPhrase in the titleMeasuring Intra-City Eco-Efficiency Variations of Urban Infrastructures in JeddahMohammed Aljoufie, Alok TiwariSaudi cities are experiencing construction booms linked to urban infrastructure services and the Kingdom’s second largest city, Jeddah, is not an exception. As these booms are associated with urban expansion and rapid population growth, the major challenge confronting urban planners is the ensuring of resource efficiency given the offered infrastructure. In fact, reducing the consumption of resources and the impact … …American Journal of Environmental Sciences, Vol. 12, Issue 3 · 14 May 2016 · 7,445 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsEco-Efficient Product Design Using Theory of Inventive Problem Solving (TRIZ) PrinciplesIssac Lim Sing Sheng, Teoh Kok-SooProblem statement: In recent years, much attention has been focused on the eco-efficiency of product development. The majority of environmental decisions are only made in the later stages of product development where not much modification can be done. To produce eco-efficient products, environmental decisions ought to be considered in the early stages of product development. With the demand of developing … …American Journal of Applied Sciences, Vol. 7, Issue 6 · 30 Jun 2010 · 11,983 accessesView PDF Cite

Research ArticleOpen accessIn the abstractComparative Effects and Phytotoxicity of Photo Fenton Solutions and Acid Rains on Cucumber (Cucumis Sativus) Plants: Treats and ConsoleFawzy Eissa, Sayuri Bandai, Nour El-Hoda Zidan et al.The Eco-physiological assessments of variable parameters known to be essential for proper plant growth and health were determined in cucumber plants exposed to short term treatments in 42 days using two broad classification types; Photo Fenton solution generating OH radicals and simulated acids. Solutions containing different classification of scavengers of OH radicals and mannitol were employed as Controls. Results indicated … …American Journal of Environmental Sciences, Vol. 16, Issue 2 · 21 May 2020 · 6,974 accessesView PDF Cite

EditorialOpen accessIn the abstractProtecting crop species from biotic and abiotic constraints in the era of Global Change: are we ready for this challenge?Marco Landi, Giovanni BenelliReliable and affordable supply of food is of crucial importance to the progress and stability of human societies. During the last century, we have assisted to an extraordinary increase of crop yields, especially for the most widespread and consumed crop species, such as rice, wheat, corn and soybean. The Broadbalk experiment, one of the oldest continuous agronomic experiments in the … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 2 · 4 Jun 2016 · 8,399 accessesView PDF Cite

Research ArticleOpen accessIn the abstractA Review of the Mechanisms of Faecal Coliform Removal from Algal and Duckweed Waste Stabilization Pond SystemsE. D.O. Ansa, E. Awuah, A. Andoh et al.The use of eco-technologies for wastewater treatment such as algal and duckweed-based pond systems is becoming popular in developing countries owing to its affordability and efficiency of pathogen removal in warm climates. The pathogen removal mechanisms of these treatment systems however is still not clearly understood and existing knowledge is also scattered in journals and books of different disciplines. The … …American Journal of Environmental Sciences, Vol. 11, Issue 1 · 5 Apr 2015 · 8,365 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAnalysis of Eco friendly Refrigerants Usage in Air-ConditionerC. Chinnaraj, R. Vijayan, P. GovindarajanProblem statement: There are two types of global warming contributions through refrigeration and air conditioning systems. The first one is the Direct Global Warming Potential (DGWP) due to the emission of refrigerants and their interaction with heat radiation. The second one is the Indirect Global Warming Potential (IDGWP) due to the emission of Carbon Dioxide (CO2) by consuming the energy … …American Journal of Environmental Sciences, Vol. 7, Issue 6 · 27 Dec 2011 · 8,462 accessesView PDF Cite

Research ArticleOpen accessIn the abstractExperimental Investigation on Performance and Emission Characteristics of Low Heat Rejection Diesel Engine with Ethanol as FuelP. Lawrence, P. Koshy Mathews, B. DeepanrajProblem statement: Depleting petroleum reserves on the earth and increasing concerns about the environment leads to the question for fuels which are eco-friendly safer for human beings. The objective of present work was to investigate the effect of coating on piston, cylinder head and valves of a Diesel engine on the performance and emission characteristics of exhaust gases using wet … …American Journal of Applied Sciences, Vol. 8, Issue 4 · 18 Apr 2011 · 7,219 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordSmart Retrofit Solutions of Buildings toward a Low Carbon WorldErdem Cuce, Pinar Mert CuceIn this short communication, energy-efficient, eco-friendly and low-cost solutions for existing buildings are considered in a holistic manner toward low/zero carbon building concept of near future. Buildings are still responsible for about 40% of total primary energy consumption in the world, hence decisive measures need to be taken promptly due to growing significance of environmental issues driven by fossil fuel … …Energy Research Journal, Vol. 9, Issue 1 · 29 Aug 2018 · 7,169 accessesView PDF Cite