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Research ArticleOpen accessIn the keywordsExperimental Investigation Of Polymeric Compound Cross Section SpringsMayas Al-Mahasne, Tareq A. Abu ShreehahThis paper presents an experimental investigation of the characteristic of the compound cross section springs on models made from polymeric materials (organic glass). Two constructive variants of the compound spring sections were specified with the help of criteria of similarity. The criterion of similarity of natural and model springs was determined by the simulation method at particular spring deflection. The … …American Journal of Applied Sciences, Vol. 4, Issue 1 · 30 Apr 2007 · 6,758 accessesView PDFCite
Research ArticleOpen accessIn the keywordsIntegrated Assessment of Water Resource Sustainability in the Upper Amojú River Basin, Northern Peruvian AndesJuan Eduardo Suarez-Rivadeneira, Freddy A. Manayay, Mayra Pamela Musayón Diaz et al.This study presents a comprehensive, statistically robust assessment of water resource sustainability in the upper section of the Amojú River Basin, Province of Jaén northern Peruvian Andes, using the Sarandón multi-cirteria methodology. A stratified convenience sample of n = 887 households distributed across 22 localities was surveyed, achieving a margin of error of ±2.61% at the 95% confidence level (finite-population … …OnLine Journal of Biological Sciences, Vol. 26, Issue 4 · 26 Sep 2026 · 731 accessesView PDFCite
Research ArticleOpen accessIn the keywordsEffects of Fertilization Frequency and Amount on the Chemometric Characteristics, Physiology, and Yield of Tomato Under Substrate CultivationEnling Ji, Qianqian Di, Qingjie Du et al.This study examined the effects of fertilization frequency and quantity on growth, yield, and quality of tomatoes under substrate cultivation. A factorial experiment evaluated two fertilization frequencies (every 5 or 10 days) and three fertilization levels (15.69, 31.38, or 62.76 kg·ha⁻¹), along with an unfertilized control. Plants were assessed for growth and development, photosynthetic pigment content, gas exchange parameters, nutrient … …American Journal of Biochemistry and Biotechnology, Vol. 21, Issue 4 · 16 Feb 2026 · 1,718 accessesView PDFCite
Research ArticleOpen accessIn the keywordsThe Efficiency of Seven-Variable Box-Behnken Experimental Design with Varying Center Runs on Full and Reduced Model TypesMary Paschal Iwundu, Joan CosmosResponse Surface Methodology is widely used in the optimization of industrial processes and products that depend on several experimental variables. One of the most tested and efficient second-order Response Surface Methodology designs is the Box-Behnken Design. This research explores the efficiency of a seven-variable Box-Behnken design with varying center runs, on full and reduced quadratic models. Backward Elimination and Forward … …Journal of Mathematics and Statistics, Vol. 18, Issue 1 · 8 Dec 2022 · 7,096 accessesView PDFCite
Research ArticleOpen accessIn the keywordsENSURING EFFICIENCY CONTROL OF INSTITUTIONAL ENVIRONMENT OF THE CLUSTERNina Ivanovna Larionova, Tatiana Valerievna Yalyalieva, Dmitry Leonidovich NapolskikhAs experience of the developed countries shows, the best solutions to the problems related to ensuring competitiveness of enterprises can be found within clusters. Drawing up mechanisms for government regulation of the cluster will facilitate formulation of strategies and plans of cluster development which is an important competitive advantage of the modern economy. The purpose of this study is to … …American Journal of Applied Sciences, Vol. 11, Issue 9 · 22 Sep 2014 · 6,808 accessesView PDFCite
Research ArticleOpen accessIn the keywordsCOLLABORATION OF STATISTICAL METHODS IN SELECTING THE CORRECT MULTIPLE LINEAR REGRESSIONSAli Hussein Al-MarshadiThis article considers the analysis of Multiple Linear Regressions (MLRs) that are essential statistical method for the analysis of medical data in various fields of medical research like prognostic studies, epidemiological risk factor studies, experimental studies, diagnostic studies and observational studies. An approach is used in this article to select the "true" regression model with different sample sizes. We used … …Current Research in Biostatistics, Vol. 4, Issue 2 · 15 Sep 2014 · 7,796 accessesView PDFCite
Research ArticleOpen accessIn the keywordsBUSINESS LOGIC EVALUATION MODEL USING DEPENDENCY ANALYSIS APPROACH FOR SER-VICE INTEGRATIONM. Thirumaran, M. Jannani, P. Dhavachelvan et al.In order to extract and integrate the required business logics from the rapidly expanding business services accurately and efficiently, developers must fathom the entire service and must decide on the proper approach to merge them which is a complex and time-consuming task. So integrating the service logics automatically by scrutinizing the dependency relations existing on business rules, functions and parameters … …American Journal of Applied Sciences, Vol. 11, Issue 8 · 10 May 2014 · 6,516 accessesView PDFCite
Research ArticleOpen accessIn the keywordsIntegration of Genetic Algorithm with Tabu Search for Job Shop Scheduling with Unordered Subsequence Exchange CrossoverR. Thamilselvan, P. BalasubramanieProblem statement: The problem of scheduling n jobs on m machines with each job having specific machine route has been researched over the decade. The Job Shop Scheduling (JSS) is one of the hardest combinatorial optimization problems. Each resource can process at most one job at a time. Approach: This study proposes a new approach to solve a Job Shop … …Journal of Computer Science, Vol. 8, Issue 5 · 24 Feb 2012 · 6,655 accessesView PDFCite
Research ArticleOpen accessIn the keywordsA Real Time Practical Approach for Multi Objective Job Shop Scheduling Using Fuzzy Logic ApproachR. Ramkumar, A. Tamilarasi, T. DeviMulti objective Job Shop scheduling is a difficult task in both theoretical and practical solving issues. Problem statement: In the present scenario the modern Engineering and Industrial manufacturing units are facing lot of problems in many aspects such as machining time, raw material movement, man power requirement, electricity demand and customer satisfaction. Approach: A triangular fuzzy membership function is used … …Journal of Computer Science, Vol. 8, Issue 4 · 14 Feb 2012 · 6,260 accessesView PDFCite
Research ArticleOpen accessIn the keywordsSolving the Periodic Maintenance Scheduling Problem via Genetic Algorithm to Balance Workforce Levels and Maintenance CostMohamed Ali Abdel-Fattah MansourProblem statement: In this article we address the multi-objective Periodic Maintenance Scheduling Problem (PMSP) of scheduling a set of cyclic maintenance operations for a given set of machines through a specified planning period to minimize the total variance of workforce levels measured in man-hours and maintenance costs with equal weights. Approach: The article proposed a mixed integer non-linear math programming … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 2 · 12 Jul 2011 · 8,322 accessesView PDFCite