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129 results for “natural material”
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Research ArticleOpen accessIn the abstractSoil Formation by Ecological Factors: Critical ReviewSaeed Zeraat Kar, Aydin BerenjianRegolith is the term we give parent material that has been weathered. The regolith consists of weathered bedrock near the surface including the soil layer. In the Iranian soil layer we will find: decayed parent materials, decaying plant material, decaying animal matter (manure) along with vegetation. Results of the present study show us that methods stimulating natural fertility in Iran … …American Journal of Agricultural and Biological Sciences, Vol. 8, Issue 2 · 2 Apr 2013 · 7,666 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Applied Study on the Debris Recycling in TunnellingPierpaolo Oreste, Marta CastellanoProblem statement: A simple calculation has shown what the impact of muck created during the construction of a hypothetical 50 km long and 100 m2 cross section tunnel could be on the environment: around 8 million cubic meters would have to be discharged as waste material. One solution to such a problem could be to recycle (almost a part) the … …American Journal of Environmental Sciences, Vol. 8, Issue 2 · 27 Mar 2012 · 7,521 accessesView PDFCite
Research ArticleOpen accessIn the abstractAssessing Soil Biological Properties of Natural and Planted Forests in the Malaysian Tropical Lowland Dipterocarp ForestDaljit Singh Karam, Arifin Abdu, O. Radziah et al.Problem statement: A study was conducted to evaluate and compare the soil biological properties of a natural forest and an 18-year-old stand of Shorea leprosula in Chikus Forest Reserve, Perak, Malaysia. Approach: Soils were sampled at depths of 0-15 cm (topsoil) and 15-30 cm (subsoil) in six subplots (20×20 m) of natural forest (C1) and of a planted S. leprosula … …American Journal of Applied Sciences, Vol. 8, Issue 9 · 29 Jul 2011 · 7,965 accessesView PDFCite
Research ArticleOpen accessIn the abstractTermite Damage to Buildings: Nature of Attacks and Preventive Construction MethodsAbdel Ghaly, Skai EdwardsProblem statement: Termites are an essential member of the soil ecosystem and are found throughout the world. In their natural environment, they improve soil pH, organic carbon content, water content and porosity by cycling dead organics. However, they can negatively impact human welfare by causing damage to unprotected timber structures, underground cables, earthen dams, irrigation ditches and farming equipment. Globally, … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 2 · 12 Jul 2011 · 26,775 accessesView PDFCite
Research ArticleOpen accessIn the abstractStatic and Dynamic Performance Improvement of Conventional Computer Numerical Control Machine Tool Bed with Hybrid Welded SteelS.S. Abuthakeer, P.V. Mohanram, G. MohankumarProblem statement: The advancements in machine tools to maximize the production by increasing spindle speeds have caused vibration in machine tools. The two functional requirements of machine tool bed for machine tools are high structural stiffness and high damping, which cannot be satisfied simultaneously if conventional metallic materials such as cast iron are employed. Hence there is a need to … …American Journal of Applied Sciences, Vol. 8, Issue 6 · 13 Jun 2011 · 11,486 accessesView PDFCite
Research ArticleOpen accessIn the abstractFabrication of Composite Material from Sea Mussel Shells and White Clay as a Versatile SorbentSingto Sakulkhaemaruethai, Churairat Duangduen, Weraporn Pivsa-Art, Sommai Pivsa-ArtProblem statement: The removal of heavy metals contaminated in aqueous solution/wastewater has been causing worldwide concern. However, the adsorbent materials are usually limited due to their high cost and environmentally benign. To overcome the above-mentioned disadvantages, low-cost and effective adsorbents are in demand. Approach: In this study, the sea mussel shells/natural clay beads were prepared for using as low-cost sorbent … …Energy Research Journal, Vol. 1, Issue 2 · 31 Oct 2010 · 7,805 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe Development of Natural Pigments in Esaan Folk Wisdom for Usage of PaintingSuchat Sukna, Sastra Laoakka, Thaksina KrairachProblem statement: The objectives of this research were: (1) History and background of pigments from natural material in Esaan painting, (2) current condition and problems of pigments from natural material in painting work and (3) develop pigments from natural material for painting work usage. Approach: The instrument consisted of the observation form, interview form, focus group discussion and workshop record … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,662 accessesView PDFCite
Research ArticleOpen accessIn the abstractKhaen: An Application of Isan Local Wisdom for Conservation Revitalization and Development of Raw Materials and Khaen Making for Value-Added CultureChampadaeng Sithisak, Bunsom Yodmalee, Khaentaphon SamdaengdejProblem statement: The electricity in recent time, the raw materials for making “Khaen” (Lao reed mouthorgan) were decreased. The Reed Mouthorgan manufacturing was a high wisdom heritance. The objective of this research was to study the following issues: (1) the history of Reed Mouthorgan musical instrument, raw material and Reed Mouthorgan manufacturing in Esan Region. (2) The state of problems … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,690 accessesView PDFCite
Research ArticleOpen accessIn the abstractArsenic Adsorption on Bauxite Mineral Using Batch Equilibrium TestFares Yahay Alshaebi, Wan Zuhairi Wan Yaacob, Abdul Rahim Samsudin, Esmail AlsabahiProblem statement: Study suggested a solution to remove arsenic contamination from contaminated water. Approach: Bauxite, which is a mineral, was proposed as natural remediation material used in this study. Bauxite was collected from Johor mining company in Teluk Ramunia, Johor Bharu, Malaysia. Batch equilibrium test was performed in accordance to different initial concentrations, shaking time and different initial pH values. … …American Journal of Applied Sciences, Vol. 6, Issue 10 · 31 Oct 2009 · 6,838 accessesView PDFCite
Research ArticleOpen accessIn the abstractDesign of Sustainable Relief Housing in Ethiopia: An Implementation of Cradle to Cradle Design in Earthbag ConstructionBrooke Barnes, Huantian Cao, Theodore Drab, Jason PearsonProblem statement: Urbanization in Ethiopia resulted in urban poverty and homelessness. In this study, a sustainable relief housing prototype that aided in sheltering homeless citizens was designed. To avoid repeating errors in urban development such as unsustainable resource consumption, it was necessary to look beyond traditional construction materials and methods. Approach: This design applied cradle to cradle design model to … …American Journal of Environmental Sciences, Vol. 5, Issue 2 · 30 Apr 2009 · 7,292 accessesView PDFCite