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1646 articles for “organ” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Recovery of Liquid Hydrocarbon Fuels from Polypropylene Waste Plastics via Catalytic Pyrolysis
Abstract: Process of pyrolysis is a thermo-chemical method conducted at high temperatures and usually in presence of catalysts. Dissimilar type of natural and synthetic catalysts are used for alteration of organic wastes into cherished fuels. The aim of this work is conversion of waste production of liquid fuel using catalyst that produced from rice husk ash. Waste plastic was pyrolyzed at temperature range 430-470oC and obtained products were liquid fuel, gas …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 1, 2020 · pp. 33–48 Read article
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Integration of Photo-catalysis of Ultraviolet Rays for Chlorination Process of Methane Conversion into Mono-, Di-, Tri- and Tetra-Chloromethane
Abstract: Alkanes the most basic of all organic compounds undergo very few reactions due to its stability. One of the reactions is halogenation, or the substitution of single hydrogen on the alkane for a single halogen to form a haloalkanes. Example of this halogenation of alkanes is the chlorination processes. It is well established that methane-chlorine mixture undergoes substitution reaction at the temp of about 400ºC and presence of light without …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 3, 2020 · pp. 8–10 Read article
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Review on Azo-Compounds and Their Applications
Abstract: Azo-colored compounds that form the basic structure of many synthesized compounds in many fieldsof chemistry, especially coordination chemistry, as they contain a group (-N=N-). These dyes arewidely used as colorants, as they contribute to nearly 50% of artificial colors. Also in manyapplications such as ink-jet printing, optical imaging, and biomedical diagnostics , azo dye containsone or more D-π-A systems that can produce various colors by changing the electron donation (D) …
Published in Journal of Catalyst & Catalysis · Vol. 8, Issue 2, 2021 · pp. 8–16 Read article
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Review of Carbohydrate Conversion Using of Catalytic Study
Abstract: Carbohydrates make up around 75% of yearly biomass resources, with cellulose as the most attractive due to its widespread access and, very significantly, the fact that it will not conflict with meals. To liberate the components of lignocellulosic material, it can be fractionated using thermochemical and physical processes, as well as biological and other biochemical methods. Components like Lignin, hemicellulose, and cellulose with cellulose making for almost near about 45 …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 1, 2022 · pp. 35–39 Read article
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Modern Biomaterials: Biologically Sensitive Hydrogel Materials
Abstract: Modern biomaterials and biological products are interacting at a more clearly defined interface. Hydrogels, a category of highly hydrated biomaterials, are significant. With interstitial voids that are up to 90% water by weight, hydrogels are made of elastic networks. They are created either physically or chemically by self-assembling building blocks that areeither created artificially or organically. Macromolecules in a range of structures, such as cross-linked polymers, entangled fibrillar networks, or …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 2, 2022 · pp. 26–30 Read article
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Heterogeneous Catalysis in Industrial Applications: A Review
Abstract: In many industrial processes, heterogeneous catalysis is essential because it improves reaction speeds and selectivity and makes catalyst recovery and reuse possible. This review explores the fundamental principles and diverse applications of heterogeneous catalysis in industry, with a focus on its economic and environmental benefits. We examine the structure and function of various catalysts, including metals, oxides, and zeolites, and their application in key industrial processes such as petrochemical refining, …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 3, 2023 · pp. 17–23 Read article
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Heterogeneous vs. Homogeneous Catalysis: Comparative Insights and Breakthroughs
Abstract: Catalysis, a pivotal process in chemical reactions, can be classified into two main types: heterogeneous and homogeneous catalysis. This comparative analysis delves into the distinctions, advantages, and breakthroughs in both domains. Heterogeneous catalysis, involving catalysts in a different phase than the reactants, is characterized by ease of separation and catalyst recovery, making it industrially favorable. Conversely, homogeneous catalysis, where catalysts and reactants share the same phase, offers superior selectivity and …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 3, 2023 · pp. 1–7 Read article
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FACTORS CONTRIBUTING POSITIVE SAFETY CULTURE AT WORKPLACE
Abstract: Safety culture means the beliefs of an individual, attitude of a person, work ethics and values, perceptions towards an incident all the factors together and relation between each factor describes the safety which is the part of organization culture. By implementing or introducing the safety culture in a workplace, incidents can reduced on a positive note can be made zero also, decrease in accidents means decrease in compensation money which …
Published in Journal of Construction Engineering, Technology & Management · Vol. 8, Issue 3, 2018 · pp. 9–12 Read article
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DESIGN MANAGEMENT FOR EPC CONTRACT
Abstract: Design management can be defined as the effective management of design process, design planning, cost-effective design, allocation of design liability, and co-ordination of project participants during design process. The fundamental principle of design management is to provide a co-ordinated design on time by fulfilling client’s requirement. Co-ordination among designer, client and contractor is a widespread problem in the construction industry.Significant advances have made for EPC contract; but only a few …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 1, 2019 · pp. 21–25 Read article
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Risk Assessment in Indian Construction Projects Using Modified Fuzzy Analytic Hierarchy Process
Abstract: Construction projects are initiated in dynamic environment which creates circumstances of high uncertainty and risks due to accumulation of many interrelated parameters. So, the need for establishing a systematic risk assessment for construction projects has increased more than ever before with the additional fact that the construction projects are becoming increasingly complex and dynamic. The aim of this paper is to provide a risk assessment methodology that provides a decision …
Published in Journal of Construction Engineering, Technology & Management · Vol. 7, Issue 2, 2017 · pp. 17–26 Read article
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A Brief Appraisal and Analysis of Existing Practices in the Contracts of Infrastructure Projects of Indian Railways
Abstract: Railways occupy a prominent position in the infrastructure of India. Existing practices in the project management and infrastructure development with special reference to the Indian railways have been brought out with some details in this paper. Tendering phase is very important in the project construction and maintenance of major railway related works. The principles and practices in the public procurement of projects are examined and suitable improvements in the bidding …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 1, 2016 · pp. 14–23 Read article
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Identifying Risk Consequences Affecting Berth Construction Projects
Abstract: Construction project is a complex system which has several characteristics such as specific objectives, time limit, financial constraints and economic requirements, organizational and legal conditions, complexity and systematic characteristics. Many construction companies working in the port and harbor projects are facing several issues during the construction period and influence complicated relations which include direct, indirect, obvious and unpredictable. Berth is a ship platform used for loading and unloading of cargo …
Published in Journal of Construction Engineering, Technology & Management · Vol. 6, Issue 1, 2016 · pp. 57–60 Read article
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Study of Material Management Techniques on Construction Project
Abstract: Material management is a critical component of the construction industry. As such, organizations need to understand the effects of congruous materials management techniques on the efficacy of project execution. An opportunity implemented materials management program can achieve the timely flow of materials and equipment to the jobsite, and thus facilitate ameliorated work face orchestrating, incremented labor productivity, better schedules and lower project costs. Materials management is an important function in …
Published in Journal of Construction Engineering, Technology & Management · Vol. 5, Issue 2, 2015 · pp. 22–27 Read article
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Controlling Construction Problems through Creativity and Innovation: A Preliminary Theoretical Perspective
Abstract: Advancement in the form of positive change in every field of endeavor is the desire of every person or organization delving into business. Change can manifest in different forms and under different conditions providing that the mindset and the needed driving force is activated in the appropriate direction with the basic perquisites such changes may demand. This study is aimed at reviewing possible preliminary measures considered significant which can be …
Published in Journal of Construction Engineering, Technology & Management · Vol. 5, Issue 3, 2015 · pp. 42–51 Read article
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Assessment of Impact of Rise in Price of Building Materials on Real Estate Development: A Case Study of Lagos State, Nigeria
Abstract: This paper examined the influence of rise in price of building material on real estate development in Nigeria with the specific objectives to identify factors responsible for increase in the cost of building materials and also to assess the impacts of rise in price of building materials on real estate development. One hundred and thirty structured questionnaires were distributed in which one hundred and fifteen were returned completely administered. The …
Published in Journal of Construction Engineering, Technology & Management · Vol. 5, Issue 3, 2015 · pp. 52–58 Read article
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Assessment of Impacts of Motivation on Construction Worker’s Productivity in Nigeria
Abstract: The research work assessed the impact of motivation on construction workers productivity in Nigeria. It also identified the various incentive schemes available to construction workers and assessed the effect of motivation on the productivity of the workers. The research work was carried out through review of related literatures and structured questionnaire on sectional basis in consonance with the objectives of the study. Data collected from questionnaire were analysed using, frequency …
Published in Journal of Construction Engineering, Technology & Management · Vol. 4, Issue 3, 2014 · pp. 1–9 Read article
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A Review of Fire Retardants for Commercially Important Polyurethane Foams
Abstract: The review covers various additive and reactive fire retardants used to render flexible and rigid polyurethane foams fire retardant. Literature sources are mostly from technical publications, patents, books and handbooks since 1962. Various fire retardants such as phosphorus-containing compounds, halogen-containing compounds, nitrogen-containing additives, silicone-containing products and miscellaneous organic and inorganic additives have been used to render polyurethane foams fire retardant. Some heatresistant groups such as carbodiimide, isocyanurate and nitrogen-containing heterocycles …
Published in Journal of Construction Engineering, Technology & Management · Vol. 3, Issue 3, 2013 · pp. 1–36 Read article
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Modelling and H∞ Robust Control of a Neonatal Incubator
Abstract: This study presents the modelling of a neonatal incubator and the design of a robust H∞ controller. Neonates, who are born premature, often don’t have enough maturity to regulate their temperature. These infants have low metabolic heat production rate and may have high heat loss from the skin so they have an increased risk of death in the first week of their life. The core temperature of the human body …
Published in Journal of Control & Instrumentation · Vol. 9, Issue 3, 2018 · pp. 1–14 Read article
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Cold Light Source for Endoscopy using AVR Microcontroller
Abstract: An endoscopy involves the procedure of examining internal organs of the human body using endoscope. Presently, during endoscopy halogentype or xenon type light sources are used. The main drawback of these sources is the heat dissipated by them effects the sensor data. Due to high temperature in the surrounding environment, the video tube or optical fiber used to transfer data may be damaged. Moreover if the lamp turns off during …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 1, 2014 · pp. 5–10 Read article
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Advanced Manufacturing Systems Using Privacy Preserving Cloud Data Access
Abstract: Every project is feasible if given unlimited resource and infinite time. Unfortunately, thedevelopment of computer based systems is more likely to be plagued by scarcity of resourcesand difficult delivery of data it is both necessary and prudent to evaluate the feasibility of aproject at the earliest possible time. Precious time and money can be saved and untoldprofessional embarrassment can be averted if an ill-conceived system is recognized early inthe definition …
Published in Journal of Control & Instrumentation · Vol. 11, Issue 1, 2020 · pp. 1–11 Read article