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53 articles for “VOC”
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Enhancing Language Proficiency: Comprehensive Vocabulary Building Strategies for Effective English Teaching
Abstract: This study investigates the effectiveness of vocabulary building strategies (VBS) in enhancing English language instruction at the University of Duhok, emphasizing student perceptions gathered through a quantitative questionnaire. A total of 86 participants were surveyed to evaluate the impact of VBS on vocabulary acquisition, aiming to identify the most effective teaching methods in this context. The analysis reveals that students have a generally positive perception of VBS, indicating that these …
Published in Emerging Trends in Languages · Vol. 2, Issue 1, 2025 · pp. 1–09 Read article
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Challenges and Promoting Factors for Tribal Girls in Vocational Education
Abstract: This research paper purely focused on the importance of vocational education and training programs specifically for tribal girls in India with a particular objective of its role in enhancing economic independence and promoting self- sufficiency in woman. It also highlighted multiple barriers like social, cultural, administrative, and economical in accessing the vocational education which affects the participation, retention. At the same time the study positions vocational education as a transformative …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 16, Issue 1, 2026 Read article
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Vocational Education in Higher Secondary Schools: A Review of Factors Influencing Student Interest and Attitudes
Abstract: The study investigates the essential aspects influencing students' motivation and attitudes toward vocational education in higher secondary schools, emphasizing its changing importance in current educational systems. Vocational education, which focuses on hands-on training and real-world applications, is critical in closing the gap between academic learning and the labor market. Despite its promise to promote employment, diversity, and economic development, vocational education faces considerable obstacles, such as societal stigma, insufficient resources, …
Published in International Journal of Education Sciences · Vol. 2, Issue 2, 2025 · pp. 1–10 Read article
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Detection of VOCs in Enclosed Space Using a Sensor Array
Abstract: In an era where rapid industrialization and urbanization continue to shape our environment, ensuring the safety and well-being of individuals in enclosed spaces is of paramount importance. One of the key challenges in this endeavor is the detection of toxic gases and volatile organic compounds (VOCs) that can pose severe health risks if left undetected. So, the primary motive of this model is to design and implement a sensor array …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 8–13 Read article
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Assessing the Effectiveness of Vocational Education and Training (TVET) in Preparing Students for the Workforce in Liberia
Abstract: Training in Vocational and Educational Training (TVET) is important for students as it enables them to gain practical skills for employment. In Liberia, the main concern of TVET programs is the increasing supply needs for skilled workers in different industries Liberian industries. This research seeks to explore the effectiveness of these programs in Liberia in relation to employment and self-employment opportunities from the 833 respondents distributed across various TVET institutions. …
Published in Recent Trends in Social Studies · Vol. 2, Issue 2, 2025 · pp. 31–38 Read article
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Sustainable Innovations in Home Decor: Exploring Eco-friendly Paint Materials and Recycled Interior Applications
Abstract: This paper delves into sustainable practices in home decorating, particularly focusing on eco-friendly paint products and innovative interior design solutions. It underscores the significance of zero-VOC and low-VOC coatings for indoor air quality and environmental safety, advocating for their use. Natural colors derived from plant extracts, clay, and minerals are highlighted for their biodegradability and availability in earthy tones, emphasizing their contribution to environmental sustainability. Milk-based paints are explored for …
Published in International Journal of Sustainability · Vol. 1, Issue 1, 2024 · pp. 10–20 Read article
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Avian Echoes: Convolutional Neural Network for Bird Vocalization Detection
Abstract: Bird species identification is a complex task within ornithology that demands advanced technological solutions. This research presents an approach leveraging Convolutional Neural Networks (CNNs) for bird species recognition based on identification of bird sound, each employing unique datasets and methodologies. The objective involves a two-stage identification process, beginning with the construction of an ideal dataset. The crucial step involves converting 1D audio waveforms to 2D spectrograms, enhancing CNNs' ability to …
Published in Journal of Aerospace Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 26–37 Read article
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Gesture Vocalizer Using Arduino
Abstract: Science and technology have been an indispensable part of our lives, driving innovation and transforming the way we communicate. Communication barriers between the hearing-impaired and the hearing population pose significant challenges in daily interactions. Sign language, a primary mode of communication for the deaf and mute communities, is not universally understood by the general public. This research work presents a novel system for real-time sign language to speech conversion, aiming …
Published in Journal of Communication Engineering & Systems · Vol. 15, Issue 3, 2025 · pp. 14–25 Read article
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Description & Prevention of Omicron
Abstract: November 9, 2021, Botswana becomes the first country to recognise it (Nov 11 2021). The new variant (B.1.529) has been represented in 77 countries. Omicron presents 32 changes in spike protein Scribd, restricting the point of interaction with the ACE2 receptor protein. Computational shows and components’ recreation has been applied to investigate the collaboration between the SARS-CoV-2 RBD and the ACE2 receptor. The receptor-binding domain (RBD), which more barely joins …
Published in Research & Reviews: A Journal of Pharmacognosy Read article
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Study of Perovskite (CH3NH3PbI3) Solar Cell using CuI (Copper Iodide) as Hole Transport Layer (HTL) at different thickness of HTL layer
Abstract: While solar energy is a viable option, future clean energy solutions may require other energy sources. Renewable electricity sources are known for being affordable, easy to access, and not producing greenhouse gases. Photovoltaic cells, which turn sunlight into electrical power, are a good choice. Over the last twenty years, advancements in photovoltaic technology have lowered costs and improved the efficiency of solar cells. Perovskite materials, recognized for their unique crystal …
Published in Journal of Power Electronics and Power Systems · Vol. 14, Issue 2, 2024 · pp. 1–11 Read article
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Analysis of Perovskite (CH3NH3PbI3) Solar Cells Using Cu2O as a Hole Transport Layer (HTL) with Varying ETL Thickness
Abstract: Solar cells offer a viable option for creating new clean energy solutions, though they may require supplementary energy sources. Renewable electricity sources, known for being affordable, accessible, and greenhouse gas-free, are increasingly popular. Photovoltaic cells, which convert sunlight into electricity, stand out as an excellent choice. Over the past two decades, advancements in photovoltaic technology have significantly reduced costs and enhanced the efficiency of solar cells.[4] Perovskite materials, recognized for …
Published in Journal of Nuclear Engineering & Technology · Vol. 14, Issue 2, 2024 · pp. 38–48 Read article
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Modern Progress in the Advance of High-Efficiency Perovskite (CH3NH3PbI3) Solar Cell using different Hole Transport Layer
Abstract: One viable alternative for creating new clean energy is solar cells, although they might need additional energy sources. The affordable, easily accessible, and greenhouse gas-free nature of a renewable energy source are its defining characteristics. An alternative that can generate power by converting solar photons into electrical energy is a photovoltaic cell. Over the past 20 years, scientific advancements in photovoltaic technology have presented a number of real-world opportunities that …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 15, Issue 2, 2024 · pp. 20–29 Read article
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A Surgical Exploration of the Mechanism and Regulation of the Respiratory System: A Conceptual Analysis
Abstract: The respiratory system plays a vital role in facilitating the movement of air in and out of the body, comprising a complex network of anatomical pathways. It is conventionally divided into two primary sections: the upper respiratory tract and the lower respiratory tract. Within the upper respiratory tract lie structures extending from the nasal passages down to the vocal cords, crucial for phonation. These vocal cords, composed of mucous membrane …
Published in Research and Reviews : Journal of Surgery · Vol. 13, Issue 1, 2024 · pp. 56–63 Read article
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Recent Progress in the Development of High- Efficiency Perovskite Solar Cell Using Copper Iodide (CuI) as Hole Transport Layer
Abstract: Solar cells are a practical option that could potentially require additional energy sources for developing new clean energy. A renewable source of electricity is characterized by its affordability, accessibility, and zero emissions from greenhouse gases. By converting sunlight photons into electrical power, photovoltaic cells are a viable option. The last two decades have witnessed numerous material opportunities for scientific advancements in photovoltaic technology, which have resulted in reduced costs and …
Published in Journal of Semiconductor Devices and Circuits · Vol. 11, Issue 1, 2024 Read article
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Design of Lead-Free Perovskite (CH3NH3SnX3, X=I) Solar Cell using SCAPS-1D
Abstract: Research on renewable energy conversion technology has accelerated due to the world's growing energy needs. Researchers from all over the world are interested in lead-based perovskite materials. These cells are being developed as a substitute for conventional solar cells (SCs) because they have the potential to increase solar energy conversion efficiency. Lead's advantageous electrical and optical characteristics make it a viable option for photovoltaic and optoelectronic applications. Lead's limited material …
Published in Journal of Semiconductor Devices and Circuits · Vol. 12, Issue 1, 2025 · pp. 37–43 Read article
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Speech and Swallowing Impairments in Herpes Zoster: A Case Report
Abstract: Herpes zoster (HZ), caused by reactivation of varicella-zoster virus, can extend beyond dermatological manifestations to involve cranial nerves, resulting in complex speech and swallowing deficits. This case report presents a 54-year-old male with herpes zoster–related cranial neuropathy, who developed unilateral vocal fold paralysis, dysphonia, and dysphagia. Comprehensive assessment included perceptual, acoustic, endoscopic, and patient-reported outcome measures. Perceptual voice evaluation revealed severe dysphonia with breathiness, asthenia, strain, and reduced loudness, confirmed …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 14, Issue 3, 2024 Read article
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Relationship between Socio-Economic Status and New Word Learning
Abstract: New word learning refers to the process of learning of novel words which are not in the vocabulary of the person and it varies as a function of many potent variables. Socio economic status is one of the major variables believed to have a significant effect on new word learning. The aim of the current study to investigate if new word learning varies as a function of socio-economic status. 74 …
Published in International Journal of Education Sciences · Vol. 1, Issue 2, 2024 · pp. 19–24 Read article
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Women Empowerment: The Essential Role of Education for Women in India
Abstract: Education has long been acknowledged as one of the most powerful instruments of social transformation, and in the Indian context, it holds unique significance for women’s empowerment. The empowerment of women is central to reducing gender inequality, dismantling patriarchal norms, and achieving inclusive growth. Women’s education does not merely provide literacy; it develops autonomy, fosters confidence, and equips women with the skills necessary for meaningful participation in social, political, and …
Published in International Journal of Trends in Humanities · Vol. 3, Issue 1, 2026 · pp. 20–24 Read article
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Climate Change and Respiratory Allergy
Abstract: Climate change, a global issue, directly and indirectly impacts human health while posing a significant threat to animals and ecosystems. As part of the exposome, it influences various factors like seasonality, production, and the distribution of airborne allergens due to rising carbon dioxide levels and temperatures. These environmental changes also contribute to increased epithelial permeability, microbial imbalances, and heightened allergic reactions to pollen and fungal spores. Earth’s average surface temperature, …
Published in Research and Reviews : A Journal of Immunology · Vol. 15, Issue 1, 2025 · pp. 28–41 Read article
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Design and Analysis of Quantum Dot Solar Cell Using SCAPS-1D Software
Abstract: Compared to conventional solar cells, quantum dot solar cells (QDSCs) have drawn a lot of attention due to their hybrid structure, low production cost, and greater power conversion efficiency. Nevertheless, carrier recombination in the quasi-neutral region (QNR) continues to limit their performance. The electron transport layer (ETL) and hole transport layer (HTL) are two of the layers that are most important in determining the overall efficiency of the device. The …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 17, Issue 1, 2026 · pp. 15–20 Read article