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106 articles for “Economic design”
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Research ArticleOpen accessIn the abstractWelded Connections of Wind Turbine Towers under Fatigue Loading: Finite Element Analysis and Comparative StudyNafsika Stavridou, Evangelos Efthymiou, Charalampos C. BaniotopoulosIncreased contemporary energy needs have led to multiple investments on wind power plants and structural improvements are considered necessary for the construction of taller, more robust and more economical structures. Tubular steel wind turbine towers that are the prevailing structural configuration, demand welding of circular subparts to construct the tower structure. These circumferential welds between tower subparts and between the … …American Journal of Engineering and Applied Sciences, Vol. 8, Issue 4 · 18 Aug 2015 · 8,899 accessesView PDFCite
Research ArticleOpen accessIn the abstractVegetative Propagation by Root Segments Cuttings of Sclerocarya Birrea (A. Rich.) Hochst: Effects of Substrate and Mycorrhizal Inocula on the Ability to Root CuttingsAbdoulaye Herbert, Tsobou Roger et al.Sclerocarya birrea (A. Rich.) Hochst is one of the woody plants of the soudano-Sahelian zones, with great socioeconomic importance. The local populations over-exploit this species for their daily socio-economic needs and this endangered its durability. The objective of this study was to contribute to the domestication of this species by the low-cost technique of Root Segments Cuttings (RSC). The substrates … …American Journal of Agricultural and Biological Sciences, Vol. 17, Issue 1 · 23 Aug 2022 · 6,527 accessesView PDFCite
Review ArticleOpen accessIn the abstractAbout Supersonic Flight and Mach 3 FlyingRelly Victoria Virgil PetrescuAerospace-BAC Concorde was a supersonic passenger aircraft. It was the result of a government treaty between the French and British governments, combining the efforts of Aerospace and British Aircraft Corporation. With only 20 aircraft built in total, the cost of the development phase was a major economic failure. In addition, Air France and British Airways were subsidized by the government … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 28 Aug 2020 · 8,934 accessesView PDFCite
Research ArticleOpen accessIn the abstractAn Empirical Analysis of Supply Response of Rubber in MalaysiaGhulam Mustafa, Ismail Abd Latif, Henry EgwumaSupply response of rubber to changes in economic incentives is analysed using co-integration approach. Time series data is taken for the period 1990 to 2014 and the vector error correction model framework has been applied. The empirical results confirmed the existence of a unique long-run equilibrium relationship among planted acreage, the relative price of rubber and price of fertilizer. Further, … …American Journal of Agricultural and Biological Sciences, Vol. 11, Issue 4 · 25 Nov 2016 · 7,495 accessesView PDFCite
Research ArticleOpen accessIn the abstractWomen in Informal Trade Amidst COVID-19: SOA Market CameroonTlholohelo Mojakisane, Brivery Siamabele, Matildah Kaliba, Rudo Phiri MumbaSARS-CoV-2, which stands for severe acute respiratory syndrome coronavirus 2, became a global health emergency in 2019. Even though the pandemic reached the African continent relatively late in 2020, it had already been terrorizing other parts of the world. In wake of the COVID-19, trade restrictions were imposed and affected the traders across the continent, but the impacts were enormous … …Journal of Social Sciences, Vol. 19, Issue 1 · 19 Jan 2024 · 6,028 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimal Planning and Design of an Environmentally Friendly Hybrid Energy System for Rural Electrification in IraqAli Saleh Aziz, Sara Ahmed KhudhierCurrent power systems create environmental effects because of the using of fossil fuels, specially coal, since CO2 is released to the atmosphere. Contrary to conventional energy sources, renewable energy sources produce a clean energy which is in general free of pollution, environmentally sustainable and technologically efficient. There is an increased interest in solar energy that can generate electricity with no … …American Journal of Applied Sciences, Vol. 14, Issue 1 · 26 Jan 2017 · 7,807 accessesView PDFCite
Research ArticleOpen accessIn the abstractWomen and Girls with Disabilities and Intersectionality: A Poststructuralist Analysis of Ethiopian Social Protection Policy (2014)Yilikal Muche EngidaSocial protection policies are designed to eliminate poverty and vulnerability to risk by promoting employment opportunities and strengthening society to protect against man-made and natural hazards. Due to traditional views and patriarchal ideas of society towards women, women and girls with disabilities are excluded from sharing the benefits. Ethiopia, with a population of 110.1 million, is the second most populous … …Journal of Social Sciences, Vol. 19, Issue 1 · 6 Jul 2023 · 6,743 accessesView PDFCite
Research ArticleOpen accessIn the abstractEstablishment and Application of Rapid Quantitative Detection Technology for Bacillus cereusFeilong Sun, Hanyu Li, Jingxue Qian et al.Infections caused by Bacillus cereus often occur, causing a certain degree of health hazards and economic losses to people around the world. Rapid quantitative detection is of great significance for prevention. This study aims to develop a simple and rapid quantitative detection method for B. cereus, which can be used to monitor the contamination of B. cereus in food samples. … …American Journal of Biochemistry and Biotechnology, Vol. 19, Issue 1 · 21 Mar 2023 · 5,567 accessesView PDFCite
Research ArticleOpen accessIn the abstractPerceptions of Care, Socio-Demographic Characteristics and Health Care Utilisation among Health Insurance users in GhanaSeth Christopher Yaw AppiahThe socio-demographic characteristics of clients and their perception of quality of care play a major part in people’s decision making process especially in service utilization. This study assesses the relationship between clients’ socio-economic features as well as their perceived quality on health care utilization. The study adopted a non-experimental cross sectional design in eliciting information from health clients who accessed … …Journal of Social Sciences, Vol. 11, Issue 2 · 25 Jun 2015 · 7,624 accessesView PDFCite
Research ArticleOpen accessIn the abstractOptimal Pareto Solutions of a Dynamic C Chart: An Application of Statistical Process Control on a Semiconductor Devices Manufacturing ProcessToni Lupo, Filippo SgroiThe present paper proposes a novel economic-statistical design procedure of a dynamic c control chart for the Statistical Process Control (SPC) of the manufacturing process of semiconductor devices. Particularly, a non-linear constrained mathematical programming model is formulated and solved by means of the ϵ-constraint method. A numerical application is developed in order to describe the Pareto frontier, that is the … …American Journal of Applied Sciences, Vol. 12, Issue 4 · 28 May 2015 · 6,476 accessesView PDFCite