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172 articles for “mixed-methods research”
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An Experimental Examination of Palm Oil Blend with Diesel Fuel on Engine Execution and Outflow of a Diesel Engine: A Research
Abstract: The main objective of this research work was to optimize the performance and emission of four stroke, single cylinder, indirect injection, water cooled diesel engine operating on palm oil and diesel blend. The use of vegetable oil as a fuel in diesel engine causes some problem because of their high thickness contrasted and routine diesel fuel. Different methods and strategies are utilized to take care of the issues coming about …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 1–7 Read article
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Application of Ultrasound for Synthesis of Biodiesel
Abstract: The aim of study is to synthesize a biodiesel from soybean oil using ultrasonic process. At present, biodiesel is produced in batch reactors in which the required energy is provided by heating by mechanical mixing. Alternatively, ultrasonic processing is an effective way to attain required mixing providing the necessary activation energy. Ultrasonic is a very desirable tool for producing biodiesel from vegetable oil and animal fats, because it lowers the …
Published in Emerging Trends in Chemical Engineering · Vol. 2, Issue 1, 2015 · pp. 1–8 Read article
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Pedagogical Innovations and Student Voices: A Longitudinal Examination of Engagement in Elementary Schools
Abstract: From 2023 to 2024, this mixed-approaches longitudinal study follows students of varying ages to see how characteristics related to emotional and social development, curriculum flexibility, and innovative teaching methods affect their engagement and performance in the classroom. Educators and students are followed for one year in this study to see how educational approaches change and impact students' learning. For this study, researchers conducted a one-time survey of a sizable group …
Published in International Journal of Education Sciences · Vol. 1, Issue 2, 2024 · pp. 44–55 Read article
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Feature Fusion Based Iris and Retina Recognition System Using Kohonon Self-Organizing Mapping Neural Network Algorithm
Abstract: This paper proposes a model of biometric security with feature fusion based iris and retina recognition system. Though, a lot of research works have done for iris recognition system and it is not new for the fusion of multimodal iris recognition in the area of biometric security and authentication system. But, it is a relatively new idea of mixing iris and retina features for human authentication. Here, the features of …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 22–26 Read article
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Voice Recognition Technique Using Neural Network
Abstract: The scope of voice recognition ranges from access control to forensics. In a given environment the system will be able to recognize the correct speaker. This voice recognition technology can also recognize the voice based on their gender. This system uses the basic idea of Artificial Neural Network (ANN). Various techniques of ANN have been used in past to implement this system. This paper gives us some of the important …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 2, Issue 1, 2015 · pp. 15–18 Read article
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Investigation of Fracture Mechanics in Composite Materials Through Experimental Testing
Abstract: Understanding the fracture mechanics of composite materials is essential to appreciating their durability and structural integrity. The goal of this research article's extensive experimental analysis is to clarify how composite materials fracture under various loading scenarios. The study makes use of cutting-edge experimental methods to describe the beginning, spreading, and eventual failure of cracks in composite structures. An understanding of the fundamental mechanisms controlling fracture in composites is obtained by …
Published in Journal of Experimental & Applied Mechanics · Vol. 14, Issue 2, 2023 · pp. 10–14 Read article
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Harnessing Natural Materials for Enhanced Properties and Environmental Remediation in Biosorption of Polymer Composites
Abstract: Polymer mixtures are useful materials that are used in many fields because they have special qualities. But worries about how they affect the environment and the need for long-lasting options have made people interested in using natural materials to improve the qualities of composites and clean up the environment. This study looks into how biosorption, a natural process by which organic materials take in pollution from the environment, could be …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 87–101 Read article
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A Review Study on CPU-Optimized Parameter-Efficient Fine-Tuning for Large Language Models to Increase Accuracy Using LoRA
Abstract: The fast proliferation of large language models (LLMs) has increased the need to optimize the process of fine-tuning, but the existing workflows that require a graphics processing unit (GPU) are still expensive, intensive, and unavailable to most researchers. This paper is driven by the desire to have a more cost-efficient and democratized version by examining a CPU-efficient implementation of parameter-efficient fine-tuning (PEFT) based on low-rank adaptation (LoRA). The major purpose …
Published in Recent Trends in Parallel Computing · Vol. 13, Issue 1, 2026 · pp. 32–38 Read article
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Evaluation of T-stress using FEM in an Unsymmetrical Cracks Emanating from a Hole Placed Centrally in a Thin Plate
Abstract: Studying the impact of higher order terms of the William’s series expansion on fracture mechanics problems has received more attention in recent years. Research has demonstrated that the constant term T-stress has a significant impact on the stress and strain fields around the crack tip. In response to mixed mode (I/II) loading, a number of fracture criteria had been developed to characterize failure in linear elastic bodies. When evaluating the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 2, 2024 · pp. 09–20 Read article
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Alkylimidazolium Chloride Ionic Liquids as Green Additives in Rubber Composites: A Comprehensive Review
Abstract: The growing emphasis on sustainable and environmentally friendly materials has underscored the use of ionic liquids (ILs) as green additives in polymer science. Alkylimidazolium chloride ionic liquids (ACLs) have emerged as viable possibilities for improving the performance of rubber composites while minimizing the environmental impact of conventional processing aids. This research conducts a thorough examination of the function of ACls in rubber technology, focusing on their physicochemical features, interaction mechanisms …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 1–13 Read article
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Mechanical and Sustainable Enhancement of Epoxy Composites using Tamarind Seed Powder
Abstract: The investigation examines how tamarind seed powder affects epoxy-based materials for the development of waste-based useful products. The research examines the mechanical behavior of epoxy resin composites which contain tamarind seed powder in increasing percentages spanning from 10% to 40%. The team utilized the hand layup method to produce the composites which then fulfilled the ASTM guidelines for specimen fabrication for mechanical tests. The study examined fundamental mechanical parameters by …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 797–806 Read article
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ANN Controlled Plasma Spray Process by using Industrial Waste
Abstract: Plasma spray coating process has become a subject of intense research because it becomes an affordable solution for many industrial applications. The present work aims at developing and studying the industrial wastes (Flay-ash powder mixture) as the coating material, which is to be deposited on Mild Steel and Cupper substrates. To increase the coating deposition efficiency and to decrease the cost of coating process, one of the artificial intelligence (AI) …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 3, 2013 · pp. 1–6 Read article
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Method of Obtaining of Concentrate of Rapidly Reproducing Microalga for Converting of the Emitted Carbon Dioxide into Oxygen and Food Biomass for Feeding of the Crew of an International Space Station during Long Flights
Abstract: It is known that the use of microalga solves the problem of utilizing carbonic acid formed during the life of astronauts and replenishing oxygen in the spacecraft atmosphere. There is evidence that among the mass of microalga used for research as oxygen products for space flights, chlorella and spirulina are suitable. In the field of creating a life support system (LSS) of the International Space Station (ISS), research is being …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 10, Issue 2, 2021 · pp. 37–48 Read article
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Coping Strategies of Highly Pathogenic Avian Influenza (HPAI) Affected Small Poultry Farmers of Bangladesh
Abstract: AbstractA survey research was conducted in 2012 to assess the coping strategies of poultry in Gazipur district of Bangladesh. Using purposive and stratified random sampling technique a total of 100 poultry farmers comprising of 50 farmers from each upazilas of Sadar and Sripur of the same district were selected. Descriptive analytical method was done to find out the coping strategies of the selected farmers. A mixed coping response was found …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 3, Issue 3, 2014 · pp. 7–11 Read article
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Characterization of Al6082 and Magnesium AZ3lB Composite Produced by The Friction Stir Additive Manufacturing
Abstract: In this modern era, lighter and stronger materials are needed. This is especially true for materials needed in aerospace, robotics, light aircraft, defence, and transportation. When comparison to backbone products in order composite goods have a higher durability & stiffness-to-weight proportion .Most of the newer fabricating methods, called friction stir additive manufacturing (FSAM), uses solid-state drives friction stirring technology to produce bilayer structures by sequentially fusing discrete strata. In this …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 1, 2023 · pp. 1–14 Read article
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Effect of Microwave Energy on Titania Doped YSZ
Abstract: Today, Solid State Oxide Fuel Cells (SOFCs) have become a need of the hour owing to higher efficiency, low emissions and versatile applications. Various materials are being explored to increase its performance and long-term stability, especially at high temperatures. Though YSZ has been the state of art anode material, YZT is emerging as a future material under consideration. Theundoped YSZ and the doped YSZ, i.e. 5 mol% YZT, calcined and …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 3, 2018 · pp. 51–55 Read article
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Non-invasive Extraction of Fetal Electrocardiogram and Maternal Electrocardiogram from Mixed Source Signal
Abstract: This paper is to bring in self-regulating methodology to obtain Fetal Electrocardiogram (FECG) and Maternal Electrocardiogram (MECG) from the mixed source signal. The Abdominal Electrocardiogram (AECG) is treated as an input signal to achieve the above-mentioned goal. FECG and MECG can be differentiated according to the power of a signal. FECG are weak signals as compared to that of MECG. But, FECG signals are engrossed in various other interference signals …
Published in Current Trends in Signal Processing · Vol. 6, Issue 3, 2016 · pp. 16–22 Read article
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Experimental Investigation Mechanical Behaviour of Composite Made by Carbon Fibre Mixed with Zro2 and Phenolic Resin
Abstract: Composites are one of the major research criteria in aerospace technologies to fulfil the present needs. Addition of materials to carbon fibers without increasing of weight of the parts Nano and micro fillers have its own criteria in improving mechanical properties. ZrO2 particles added to carbon fibers can improve the strength with a light add up in density. Present study focused on the mechanical behavior of zirconium oxide addition to …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 562–573 Read article
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Optimizing the removal of Chromium from aqueous solution by adsorption using sugarcane bagasse
Abstract: In Ethiopian tannery and textile industries, chromium concentration before treatment ranges from 1000 ppm to 5000 ppm. From this concentration about 95 % of chromium exists in the form of Cr (III), which was toxic when its concentration exceeded 5 ppm and oxidized in to Cr (VI). This chromium was disposed to environment with effluent in the form of chromium III and chromium VI was highly toxic to humans, animals …
Published in Journal of Water Pollution & Purification Research · Vol. 6, Issue 2, 2019 · pp. 22–36 Read article
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Impact of Missionary in Tribal Language
Abstract: The introduction of Christian missionaries to the tribal areas of Asia, Africa, and Latin America had a deep influence on local languages, cultures, and identities. Although the promotion of Christianity is the first thing that comes to the mind when thinking of the work of missionaries, their language engagement has impacted literacy, education, and cultural preservation in many ways and for a long time. This study focuses on the first …
Published in Emerging Trends in Languages · Vol. 2, Issue 2, 2025 · pp. 18–26 Read article