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464 articles for “Design of Experiment”

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Research ArticleOpen accessIn the keywordsAnalysis and Mechanical Design Solutions for Sit-To-Stand Assisting DevicesPierluigi Rea, Erika OttavianoSit-to-stand can be considered the most common daily-life activity and it can be defined as a change of posture, in which the base of support is transferred from the seat to the feet. It requires both voluntary movement of different body segments that contribute to the equilibrium and control during an important displacement of the Centre Of Gravity of the … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 4 · 11 Dec 2016 · 7,834 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPreliminary Experimental and Finite-Element Numerical Assessment of the Structural Performance of SMA-Reinforced GFRP SystemsFilipe Amarante dos Santos, Chiara BedonIn this study, the feasibility and potentiality of a novel design concept is explored by means of small scale experimental tests and Finite-Element numerical simulation. Taking advantage of the intrinsic potentiality of Shape-Memory Alloys wires able to work as adaptive actuators when subjected to joule heating, a 'smart-GFRP' concept consisting in Glass-Fiber-Reinforced-Polymer (GFRP) structural members with a SMA reinforcement is … …American Journal of Engineering and Applied Sciences, Vol. 9, Issue 3 · 27 Sep 2016 · 8,289 accessesView PDFCite
Research ArticleOpen accessIn the keywordsPerformance Evaluation of an Assisting Device for Training "Normal-Like" Sit To Stand MovementPierluigi Rea, Erika Ottaviano, Gianni CastelliThis paper presents a performance evaluation and results on the modelling and simulation of an assisting device to be used as aiding or guiding system for people with reduced mobility. There is a high level of motivation for elderly to perform independently basic Activities of Daily Life (ADL). Therefore, it is of great interest to design and implement reliable assisting … …American Journal of Engineering and Applied Sciences, Vol. 10, Issue 3 · 26 Jul 2017 · 7,694 accessesView PDFCite
Research ArticleOpen accessIn the keywordsInvestigating the Influence of Different Process Parameters on Shrinkage of Injection-Molded PartsA. R. Jafarian, M. ShakeriDifferent models have been proposed to investigate the effects of various process parameters on shrinkage of plastic parts, which in most cases the effect of each parameter is obtained by changing one factor at a time. In this research, a simple flat model has been used and a simulation code has been developed. Then, through this simulation code, the effects … …American Journal of Applied Sciences, Vol. 2, Issue 3 · 31 Mar 2005 · 7,257 accessesView PDFCite
Research ArticleOpen accessIn the abstractEffectiveness of the Anaerobic Haylage Method for Flax Waste Utilization in the Diet of Friesian Holstein CowsRuly Budiono, Joko Kusmoro, Erin Nurinsani Waafi, SukonoThe haylage dry feed fermentation method is one of the methods of preserving grass feed, dried herbs, or dry agricultural waste for animal feed. This study aims to determine the quality of hemp flakes waste that has been dried for 6 months and has a water content of <3% using the Haylage method. The research parameters include physical quality, pH, … …OnLine Journal of Biological Sciences, Vol. 26, Issue 1 · 31 Mar 2026 · 1,271 accessesView PDFCite
Research ArticleOpen accessIn the abstractResponse of Cowpea (Vigna unguiculata L. Walp.) Varieties to Striga gesnerioides (Willd.) Vatke InfestationAlhassan Bawa, Ismael Yakubu, Yussif SeiduProduction of cowpea within the sub-Saharan Africa, and Ghana in particular, is bedeviled with many challenges, including Striga infestation, resulting in abysmal low grain and biomass yields. Thus, the study was conducted to evaluate Striga's impact on cowpea growth and yield. During the 2023 agricultural season, the study was carried out in Northern Ghana. A control (non-infested) experiment and a … …American Journal of Agricultural and Biological Sciences, Vol. 20, Issue 1 · 18 Sep 2025 · 4,867 accessesView PDFCite
Research ArticleOpen accessIn the abstractAdding Duckweed (Lemna minor) to Local Duck Diet: Determined Based on the Performance and Heavy MetalConcentration in their MeatSyamsuhaidi, Dwi Kusuma Purnamasari, Ryan Aryadin Putra, Uhud AbdullahAn experiment was conducted to determine whether addingduckweed fertilized with bioslurry to the diet corresponds to duckperformance and heavy metal concentration in their meat. The study wasdesigned using a completely randomized design. The treatments weredifferent levels of adding duckweed as a diet component, as follows: Basalfeed (control, no duckweed, TC), basal feed +2.5% duckweed (TL1), basalfeed +5% duckweed (TL2), basal … …American Journal of Animal and Veterinary Sciences, Vol. 20, Issue 1 · 13 May 2025 · 5,839 accessesView PDFCite
Research ArticleOpen accessIn the abstractEfficacy of Feeding Earthworm Meal-Based Diet on Feed Intake, Weight Gain, and Apparent Digestibility Coefficient of Red Sokoto GoatMoshood Adewale Belewu et al.Feed which contributes about 70-80% of the cost of feeding is one of the major problems of livestock production. Feeding nutritious feed to animals is vital for the vigor and wellbeing of livestock and human being and the nutrient it contains assist animal to grow, develop and reproduce. Hence, this study examined the impact of Earthworm Meal (EWM)-based diets on … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 22 Mar 2025 · 4,498 accessesView PDFCite
Research ArticleOpen accessIn the abstractDiscovery of a New Thermostable Chitinase from Streptomyces No. 6Xiaowen Que, Yonghong Bao, Qing Liu et al.Chitinases are a class of hydrolases that hydrolyze the β-1, 4-glycosidic bonds between N-acetyl-D-glucosamine (GlcNAc) in chitin. Among chitinases, thermophilic chitinases and thermostable chitinases have received extensive attention in recent years due to their ability to tolerate higher temperatures and maintain enzyme stability for a longer period of time. However, it has previously been observed that not all chitinases are … …American Journal of Biochemistry and Biotechnology, Vol. 20, Issue 3 · 1 Aug 2024 · 5,115 accessesView PDFCite
Research ArticleOpen accessIn the abstractBiocontrol of Damping off Disease in Brinjal (Solanum melongena) and Tomato (Solanum lycopersicum) by Arbuscular MycorrhizaMd. Raihan Talukder, Animesh Sarkar, Md. Harun Rashid, Md. Motaher HossainArbuscular Mycorrhiza (AM) fungi are recognized as bioprotectors of plants for their ability to enhance plant health and provide protection against pathogens. This study determines the ability of AM fungi (mixed AM inoculum of Glomus mosseae) to suppress the damping off disease of brinjal and tomato seedlings affected by the pathogenic fungi. This experiment consisted of two factors viz. AM … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 2 Jul 2024 · 5,010 accessesView PDFCite