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406 articles for “strains”
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Feasibility of Cryogenic Treatment for Improving Lattice Strain Distribution in AA7010 Alloy
Abstract: In the present investigation, AA7010 was subjected to two different cycles of cryogenic treatment. In one cycle, the cryogenic treatment was given after the quenching and aging, whereas in another cycle the treatment was given immediately after quenching before aging. The hardness and XRD results of these samples were compared with that of T6 conditioned sample, taken as the reference. The samples, which were given cryo-treatment immediately after quenching before …
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 1, 2014 · pp. 7–12 Read article
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Evaluation of Cholesterol Reduction in Probiotic Strain Lactobacillus brevis isolated from Human Fecal Sample by Using Surface Response Methodology
Abstract: Lactobacillus brevis, isolated from human feces was assessed for its in vitro cholesterol reduction ability. The effects of bile salts, inoculum size and contact time in simulated intestinal juice were studied. Central composite design model was utilised to determine the effects of interactions of significant variables on cholesterol reduction. By developing a linear regression model, as a function of growth associated variables in vitro cholesterol reduction was assessed. The results …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 9, Issue 1, 2019 · pp. 40–49 Read article
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Production And Purification of Amylase Through Bacterial Strain
Abstract: Amylases are important industrial enzymes with use in detergents, brewing, and food processing because of their ability to hydrolyze starch. In this research, the production and optimization of α-amylase from a potato soil isolated bacterium using agro-waste as a carbon source is investigated. The isolate had a hydrolytic zone of 13.33 mm and the highest activity of 545 U/mL under submerged fermentation with 1% starch. Optimum conditions were pH 7.0, …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 15, Issue 2, 2025 · pp. 1–10 Read article
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Psychosocial Needs among Caregivers of Patient with Mood Disorders in Tertiary Care Hospitals, Dehradun
Abstract: Introduction: Mood disorders are the second commonest cause of disability and hospitalization, presently all over the world. Caregivers always compromise with their physical, psychological and social health to provide the best possible care to their loved one. These adjustments impose a negative impact on caregiver’s health and causes psychosocial strain, which leads to lower needs of the caregivers. Methodology: A quantitative non-experimental cross-sectional survey design was used to assess the …
Published in Journal of Nursing Science & Practice · Vol. 9, Issue 2, 2019 · pp. 52–59 Read article
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Antifungal Activity of Lactic Acid Cocci Isolated from Camel Milk
Abstract: This study examines the antifungal activity of lactic acid cocci isolated from camel milk against mold growth. After the isolation, purification, and characterization of lactic acid cocci, the screening of strains with antifungal activity was done by overlay and confrontation methods against Aspergillus fumigatus. These strains show strong activity. Antifungals were selected to study their inhibitory effect on liquid medium, evaluate their antifungal spectrum, and study the effect of their …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 12, Issue 1, 2022 · pp. 14–23 Read article
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DEM Simulation of Macro and Micro-scale Behavior of Granular Materials during Loading and Unloading
Abstract: The present paper aims at comparing the simulated stress-strain behavior of granular materials quantitatively with the experiment and exploring the evolution of the micro-scale behaviors during loading and unloading using the discrete element method (DEM). A numerical sample consisting of 9826 randomly generated spheres similar to the experiment was prepared. The numerically prepared isotropic sample was subjected to loading and unloading under strain controlled condition. It is noticed that the …
Published in Journal of Geotechnical Engineering Read article
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DEM Simulation of Macro and Micro-Scale Behavior of Granular Materials during Loading and Unloading
Abstract: The present paper aims at comparing the simulated stress-strain behavior of granular materials quantitatively with the experiment and exploring the evolution of the micro-scale behaviors during loading and unloading using the discrete element method (DEM). A numerical sample consisting of 9826 randomly generated spheres similar to the experiment was prepared. The numerically prepared isotropic sample was subjected to loading and unloading under strain controlled condition. It is noticed that the …
Published in Journal of Geotechnical Engineering · Vol. 9, Issue 1, 2022 · pp. 26–38 Read article
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Effects of loading rates on durability life of a part for random loads
Abstract: In the current scenario of fierce competition, manufacturers are under tremendous pressure to launch defect free products at the earliest. Cutting down time at every stage of product development is the need of the hour and testing is no exception. Testing and validation in the automotive domain is of immense importance as any small failure can also lead to catastrophic consequences. Continuous emphasis is in place to accelerate the tests …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 3, 2018 · pp. 1–10 Read article
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An Aggregate-Breakage Percolation Model and ANN-Based Internal Validation for Curvature-Dependent Electrical Conductivity of MWCNT/TPU Nanocomposites
Abstract: Strain-dependent percolation models are mostly built and tested for uniaxial tension, yet many flexible sensors and stretchable devices work mainly in bending, where the outer fibre is stretched, the inner fibre is compressed and the strain changes with thickness. This study extends an aggregate-breakage percolation model, originally formulated for uniaxial strain, to through-thickness bending of a multi-walled carbon nanotube/thermoplastic polyurethane (MWCNT/TPU) nanocomposite. The local strain is taken as ε(y) = …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 Read article
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Structure and Cube Texture Development Trend of Al4.5MgMn Alloy at Variable Annealing Conditions
Abstract: Hot-rolled Al4.5MgMn alloy was cold rolled to true strain levels 0.8, 1.6 and 2.3. Annealing at 300°C, 350°C and 400 °C was done to develop annealing structure. The annealed structures were measured by SEM-EBSD. The average grain size and grain size distributions were measured using Sigma-scan-Pro 5 structure analysis software. The average grain size and grain size distributions showed higher number frequency of lower annealing grain size with the increase …
Published in Journal of Materials & Metallurgical Engineering · Vol. 3, Issue 3, 2013 · pp. 32–38 Read article
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Characterization of Cellulose Producing Bacterial Isolates from Rotten Fruits
Abstract: Cellulose, the most abundant natural polymer, is predominantly sourced from plant wood but can also be synthesized by certain bacteria in the form of bio-cellulose. The potential applications of bio-cellulose are extensive, particularly in the biomedical field for tissue engineering, drug delivery, and more. The distinct properties and purity of bacterial cellulose, in contrast to plant-derived cellulose, underscore its importance and drive further research in the area. This study focuses …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 1, 2024 · pp. 38–45 Read article
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Deformation Behaviour of the Billet and Tooling Design on AA5083 through Equal Channel Angular Pressing With Effect of Back Pressure
Abstract: Equal channel angular pressing is an emerging method applied to subject materials to significant plastic strains while maintaining the original shape of the billet. Researchers have discovered that the level of strain attained through equal channel angular pressing is influenced by factors such as the angle of die, friction conditions, and the implementation of back pressure. These variables significantly impact the microstructure and the irregularity of strain within the billet …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 287–303 Read article
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Investigations Into the Potential for Anthracene Decomposition of Novel Soil Bacterium, Pseudomonas putida P7
Abstract: Bioremediation of hazardous contaminants holds immense importance for the preservation of a clean and healthy environment. Conversely, the accumulation of toxicants can be mitigated with the assistance of microorganisms capable of breaking down these harmful substances into benign molecules. Anthracene is frequently used as a model molecule for studies on PAH pollution because it is found in many carcinogenic PAHs. Therefore, the hunt for new microorganisms with the ability to …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 14, Issue 2, 2024 · pp. 29–44 Read article
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Temperature-Dependent Viscoelastic Response of Magnetorheological Grease with Varying Particle Shapes
Abstract: This study examines the effect of temperatures on the magnetic and rheological properties of magnetorheological greases (MRGs) comprised of different particle shapes, under oscillatory shear mode test. Two samples were prepared with 70 wt.% flake-shaped electrolytic iron particles (EIP) and spherical carbonyl iron particles (CIP) which dispersed in 30 wt.% lithium-based grease, separately. Respective to magnetic properties test, the vibrating sample magnetometry (VSM) revealed that MRG-EIP exhibited 11.4% higher magnetic …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 139–147 Read article
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Numerical Investigation of AA5053 Through Equal Channel Angular Pressing Technique: An Overview
Abstract: Equal channel angular pressing is recognized as the predominant method for bulk severe plastic deformation processing and has been employed for refining the grain structure in numerous metals and alloys. This study utilized finite element analysis to examine the processing of metallic billets through simple shear deformation. For the study, the die channel angle was chosen based on achieving the minimum energy consumption to induce maximum uniform strain. Among the …
Published in Trends in Machine design · Vol. 12, Issue 3, 2025 · pp. 40–47 Read article
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Assessing the Poisson Ratio of Reinforced Earth under Static and Dynamic Stresses
Abstract: Poisson’s ratio is an essential property of the soil strength and it is a measure of the amount of lateral strain in the soil sample caused due to the longitudinal strain of the soil. An attempt has been made in the present work to detect the variation in the Poisson ratio for reinforced and asphalt stabilized soil when tested under static and dynamic compressive stresses. Soil embankment model was prepared …
Published in Journal of Geotechnical Engineering · Vol. 10, Issue 1, 2023 · pp. 50–56 Read article
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Principles and Use of Analytical Transmission Electron Microscope
Abstract: At the beginning of the review the analytical Transmission Electron Microscope is introduced. Equipment, imaging, diffraction and use of analytical TEM are described. Electron path under magnetic lens is delineated, emphasizing the lens aberrations, diffraction, astigmatism and gun brightness. Selected area electron diffraction patterns of Al-Cu and Inconel super alloy are used to index crystallographic planes and to derive zone direction while basic sources of diffraction contrast are depicted using …
Published in Journal of Materials & Metallurgical Engineering · Vol. 9, Issue 3, 2019 · pp. 27–49 Read article
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Comparative study of Drain current of Symmetric and Asymmetric DGMOSFET with simulation in Silvaco_TCAD Software
Abstract: For nano regime devices the double gate MOSFET is one of the most promising and attractive devices. The main idea of a Double Gate MOSFET is to control the Si channel very efficiently by choosing the Si channel width to be very small and by applying a gate contact to both sides of the channel. This concept helps to suppress short channel effects and leads to higher currents as compared …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 1, 2021 · pp. 1–13 Read article
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Antibacterial Action of Bacillus coagulans Against Diverse Pathogens and its Relevance as Probiotics
Abstract: Probiotics are living organisms that give benefits to the host organism by improving the intestinal microbial balance. Probiotics have various beneficial effects as it maintains a healthy gut, healthy vaginal flora and boost the immune system. There are different strains of lactic acid bacteria that are used as probiotics but Bacillus coagulans is a good bacterium that is used in the form of probiotic supplements. In the present study, B. …
Published in Research and Reviews: A Journal of Microbiology and Virology · Vol. 13, Issue 2, 2023 · pp. 21–25 Read article
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Isolation and Evaluation of Aspergillus Niger : A Fungi Implicated in Infectious Diseases and its application as potential Biofertilizer
Abstract: In the quest to improve the agronomic effectiveness of Rock Phosphate (RP), a widely available and cost-effective phosphate fertilizer, this study aimed to overcome its limited solubility by isolating fungal strains capable of solubilizing rock phosphate. Soil samples were collected from Garhmukteshwar, Hapur, for the isolation process. Among several isolates, three strains exhibited the highest rock phosphate solubilization within a seven-day timeframe, coinciding with a significant decrease in soil pH. …
Published in Recent Trends in Infectious Diseases · Vol. 1, Issue 2, 2024 · pp. 29–34 Read article