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329 articles for “A/C rooms”
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Qualitative assessment of the psychological and emotional responses of COVID-19 patients and the stigma they feel and face from the society prior and post math of their recovery: A preliminary study.
Abstract: Abstract:From the very beginning of the SARS-COV-2 pandemic, there has been an enormous and everlasting uncertainty among the people about how things will get back on track. This uncertainty along with the other contagious pandemic protocols like social distancing, quarantine, lockdown, job loss, financial crisis, stress, career anxieties, eviction from rooms and apartments and social stigma to the patients have contributed enormously the psychological pressures. This study aimed at estimating …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 12, Issue 3, 2022 · pp. 14–24 Read article
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Effect of Nitrogen and Phosphorous on Growth, Development and Vase Life of Gladiolus
Abstract: A study was conducted to evaluate the effect of different doses of nitrogen and phosphorus on the growth and development, flower spike characteristics and the vase life of gladiolus (Gladiolus grandiflorus L.) at the horticulture farm, IAAS, Rampur, Nepal, in 2014–15. One of the promising varieties, American Beauty, was used as the planting material in this experiment. Observations on the plant height, leaf number, length of spike and rachis, diameter …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 6, Issue 3, 2017 · pp. 1–7 Read article
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Friendly and Efficient Synthesis of Chalcone Derivatives under Solvent-Free Condition
Abstract: A series of various chalcone derivatives were synthesized using solvent free technique by grinding different substituted benzaldehyde, acetophenone and NaOH pellets at room temperature, and same reactions were carried out under solvent condition (50% EtOH). The reaction time needed to synthesize desired chalcones was 15–45 min; and 13 h stirring in the presence of solvent. All compounds were identified by comparison of their melting points with that of the substrates; …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 6, Issue 1, 2016 · pp. 17–24 Read article
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Panorama of Technology Assisted Teaching/Learning Language Pedagogy: A Glance
Abstract: The dawn of the 21st century has heralded a new sun to empower teaching/learning experience. To impart quality in higher education, all universities are experimenting with new methods/techniques that can bring about a transitional shift from traditional classroom teaching to smart room learning experience. There has been a sudden shift from teacher centered classroom teaching to students centered classroom learning. The pivotal focus is on the learner’s self-learning. This is …
Published in Current Trends in Information Technology · Vol. 14, Issue 1, 2024 · pp. 12–17 Read article
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Crystal structure investigation of La doped BiFeO3 multiferroics by Rietveld analysis
Abstract: AbstractPolycrystalline materials with composition Bi0.8La0.2FeO3 multiferroics were prepared through solid state reaction method. The room temper ature XRD confirmed the very well synthesis of the sample without any trace of any impurity phase. The Rietveld analysis of the XRD pattern manifest the interesting evident of devising the structural phase not exactly Rhombohedral (R3c) but instead it exhibits a combination of 90% rhombohedral(R3c) and 10% α phase of BiFeO3 Triclinic (P1). …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 1, 2018 · pp. 34–37 Read article
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Synthesis and Evaluation of Chalcone Derivatives and Schiff bases derivatives as Antibacterial
Abstract: AbstractSix substituted chalcones have been synthesized by condensing benzaldehyde derivatives with acetophenone in dilute ethanolic sodium hydroxide solution at room temperature according to Claisen-Schmidt condensation. In addition, four of Schiff bases have been prepared via imine condensation between substituted benzaldehyde firstly with (3) 2-aminophenol, secondly, with phenylhydrazine. Moreover, study the efficient of synthesized compounds as antibacterial agents were evaluated. The structures of the synthesized compounds were confirmed by the melting …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 9, Issue 3, 2018 · pp. 1–7 Read article
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A Study on Quality Changes in Stored Bottle Gourd (Lagenaria siceraria) Juice
Abstract: The present study was designed to evaluate physico-chemical changes in bottle gourd juice during storage. The fresh bottle gourds were procured from the agriculture farm of Haryana Agriculture University, Hisar, India. The bottle gourd juice was extracted and treated with citric acid and potassium metabisulphite. Extracted juice was filled in glass bottles and stored under refrigerated (4–7 °C) and room temperature (27 ± 2 °C) conditions for 15 days. Total …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 4, Issue 1, 2015 · pp. 21–27 Read article
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Effects of Variation of Differential Gain and Injection Current on the Performance Characteristics of the Designed 405 nm MQW Violet Laser
Abstract: AbstractIn this work the Designing and Performance Analysis of a 405 nm InGaN based multi quantum well (MQW) Violet Laser have been presented. The internal designing of 405nm Violet Laser has been done with appropriate calculation. The desired wavelength of 405nm was obtained by adjusting the exact concentration of In0.0979Ga0.9021N / Al0.07Ga0.93N. The effects on Rate Equations by varying the differential gain and Injection current have been observed. Also the …
Published in Trends in Opto-electro & Optical Communication · Vol. 4, Issue 1, 2014 · pp. 13–22 Read article
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Performance Analysis of Dual Junction Solar Cell Devices utilizing Subcells of In0.51Ga0.49P and GaAs to Study Key Solar Cell Parameters via TCAD based Simulation
Abstract: In the present work, a multi-junction solar cell was designed to obtain better performance over single-junction solar cells. The proposed structure is composed of different layers of diverse semiconductor materials stacked on each other. Here, an In0.51Ga0.49P/GaAs double-junction solar cell was outlined as having a distinctive composite material (GaAs) as the tunneling junction. To optimize the solar cell's effectiveness, In0.47Ga0.15Al0.37P was used in the window layer and the back-surface field …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 829–837 Read article
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Composite Specimens Thermomechanical Analysis Using Infrared Thermography
Abstract: The use of composites for engineering components has increased significantly. The introduction of composite components can reduce weight and has the potential to reduce the through life cost of the component. Their overall performance is influenced by the constituent materials, their distribution and the interaction between them. To exploit the potential of composite material, it is important to understand the thermomechanical behavior. Therefore, this work is about thermoelastic response from …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 1–6 Read article
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Automatic Lightning and Control System
Abstract: This study describes the design and execution of a novel Automatic Lightning and Control System, which turns on and off electrical devices, including lighting circuits, automatically when people are present and off when they are not. Improving the electrical system's dependability and efficiency is the system's goal. Most universities squander a large amount of electrical energy turning on and off fans, computers, and other devices. This system is designed to …
Published in Trends in Mechanical Engineering & Technology · Vol. 14, Issue 3, 2024 Read article
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Life Cycle Assessment (LCA): A Tool for Sustainable Development and Environmental Management of Products
Abstract: Life cycle assessment (LCA) is a crucial technique for clearly understanding how much room there is for product improvement in a given good or service. Because of its high cost and application in eco-design, supply chain management, green buying, sustainable investing, and other relevant activities, manual data engineering and analysis processes. Traditional LCA methodologies and technology may need more scalability regarding substantial product portfolios and expanding reporting requirements. The Sustainability …
Published in International Journal of Industrial and Product Design Engineering · Vol. 1, Issue 2, 2023 · pp. 16–25 Read article
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Evaluation of Lemon Grass (Cymbopogon Citratus) Performance for Petroleum Hydrocarbon Degradation in Soil Environment
Abstract: The evaluation of lemon grass (cymbopogon citratus) performance for petroleum hydrocarbon degradation in soil environment was monitored with respect to contact time or period of exposure. Models were developed in this research to demonstrate the potential of the first-order kinetic, Michaelis Menten and the LineWeaver Burk Plot, and the evaluation of the effect of the biostimulant dosage was monitored in accordance the total petroleum hydrocarbon degradation. The performance of lemon …
Published in Journal of Catalyst & Catalysis · Vol. 11, Issue 1, 2024 · pp. 33–49 Read article
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The Effects of TiC Reinforcement on Thermal, Electrical and Dry Sliding Wear Behaviour of Aluminium Matrix Nanocomposites
Abstract: AbstractThe present work is to investigate the thermal, electrical and dry sliding wear behaviour of a aluminium matrix composite reinforced with dissimilar particle size (≤ 200 nm and 2 μm) of titanium carbide particles. An aluminium matrix composite with 0, 5, 10 and 15 vol.% TiC reinforcement was prepared by using powder metallurgy. A pin-on-disc apparatus was broadly used to investigate the wear behaviour of the Al/TiC nano composites. Wear …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 2, 2017 · pp. 28–41 Read article
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Amentoflavone and Mangiferin in Hypericum calycinum, Hypericum cardiophyllum and Hypericum bithynicum
Abstract: The present study was conducted out to determine amentoflavone and mangiferin contents of Hypericum calycinum, Hypericum cardiophyllum and Hypericum bithynicum, growing wild in Turkey. The aerial parts representing a total of 30 individuals were collected at full flowering, dried at room temperature and assayed for secondary metabolite concentrations by HPLC-PDA. Both compounds were detected in all three species in different amounts depending on plant tissue. Results were discussed in phytochemical …
Published in Research & Reviews : Journal of Herbal Science · Vol. 6, Issue 1, 2017 · pp. 10–13 Read article
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Studies on the enhancement of sensitivity in SOI-MEMS Piezoelectric Accelerometer for low frequency applications
Abstract: In the present paper the design, fabrication and characterization of the SOI-MEMS piezoelectric accelerometer is reported. MEMS Accelerometers developed by many researchers in the literature have achieved the necessary high sensitivity at high frequencies. The main challenge of this work is to design an accelerometer with high sensitivity at low frequencies. The analytical modeling and FEM analysis were performed on the device to arrive at the optimized design of the …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 20, Issue 1, 2018 · pp. 42–52 Read article
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Enhancement of Electrical Conductivity of Laterite Derived Ferric Oxide to Facilitate As Anode Materials
Abstract: Laterite is a mineral abundant in ferric oxide and various impurities, including aluminum oxide and silicon dioxide. The extraction of ferric oxide from laterite is accomplished through a cost-effective leaching process employing HCl, NaOH, and Sodium dodecyl sulfate (SDS). Characterization using Xray diffraction (XRD) confirmed the synthesized particles to be α-Hematite nano particles, with an average particle size of 94.21 nm, predominantly falling within the range of 90 nm to …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 3, 2023 · pp. 1–11 Read article
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Growth, Optical, Mechanical and Electrical Properties of Zinc Sulphate Admixtured N-N’-dimethylurea Single Crystals (DMUZS)
Abstract: AbstractThe single crystals of zinc sulphate admixtured N-N’-dimethylurea (DMUZS) were grown by slow evaporation technique from aqueous solution at room temperature. Good quality crystals of size 16×12×5 mm3 had been obtained after 35 days. The grown crystals were characterized by single crystal XRD analysis to determine the lattice constant of the sample. Powder X-ray diffraction studies confirm the crystalline nature of the grown crystal. Fourier transform infrared (FT-IR) studies were …
Published in Research & Reviews : Journal of Physics · Vol. 7, Issue 1, 2018 · pp. 24–33 Read article
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EXPERIMENTAL STUDIES ON ADSORPTION BY MAGNIFERA INDICA LEAVES
Abstract: Decolourisation of dye (Congo red) from aqueous solution using an adsorbent prepared from Mango leaf was investigated in this study. The influence of time of mechanical shaking , mass of adsorbent(0.5,1,1.5,2 mg), initial pH, initial concentration (2000 ,1500,1000,500,250 mg/L) on adsorption has been evaluated. It is shown that adsorbent prepared from Mango leaf powder has a relatively high adsorption capacity for these adsorbates. For 500 mg/L of solution prepared, the …
Published in Emerging Trends in Chemical Engineering · Vol. 6, Issue 1, 2019 · pp. 12–16 Read article
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Photo-Assisted Room Temperature Synthesis of Brightly Fluoresce ZnSe Quantum Dots in Aqueous Medium
Abstract: The ZnSe quantum dots (QDs) have gained considerable research interest as an alternative to heavy-metal-based QDs and are non-toxic, have strong emission in UV-blue region, and with wider band gap are suitable for doping various ions to tune their optical and electronics properties. For biological applications, aqueous stability of QDs is an indispensable prerequisite. Mercapto-carboxylic acids such as mercaptopropionic acids (MPA), thioglycolic acids (TGA), etc., are commonly used for providing …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 4, Issue 2, 2014 · pp. 5–13 Read article