Search
890 articles for “activity”
-
Bioremediation of Polluted Drainage with Petroleum Hydrocarbon
Abstract: This research was aimed at examining the petroleum product discharge in drainage within Port Harcourt City, samples were collected and mixed. Microbial analysis and physicochemical properties of the sample were determined. The sample was subjected into bioremediation after culturing of the microorganisms isolated, identified and characterized. The two microorganisms used are pseudomonas aeruginosa and aspergillus niger. The results obtained revealed high concentration for heavy crude oil than mixed crude oil; …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 2, 2021 · pp. 24–34 Read article
-
Deforestation: Causes and Consequences of the Global Crisis
Abstract: Climate change is unavoidable due to the dynamic character of global ecosystems. The reasons of these environmental changes are both man-made and natural. Human activities have always had an impact on the environment. As economic activity and population expansion have risen to the point that they can no longer be disregarded or seen in isolation, the consequences of mankind just on environment could no longer be ignored or examined in …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 1, 2022 · pp. 29–34 Read article
-
Review on Chalcone (Preparation ,Reactions, Medical and Bio Applications)
Abstract: This survey provides information on( methods of synthesis , reactions , applications in the medical and biological activities , its uses and its source as (whether natural or synthetic) . Chalcones are chemical compounds or natural molecules have a broad spectrum of bio- activities, which are of great interest in many fields. The chemistry of chalcones appeared information about its preparation methods as a starting material in many reactions like …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 1, 2019 · pp. 16–27 Read article
-
Different type of catalysts used in the Baylis-Hillman reaction
Abstract: The Baylis-Hillman reaction in the present-day version is an atom-economic carbon-carbon bond-forming reaction between the α-position of the activated alkenes and carbon electrophiles under the influence of a catalyst or catalytic system offering diverse classes of densely functionalized molecules. If the substrate contains both the activated alkene and electrophile components in appropriate positions, there is the possibility of developing an intramolecular version of this reaction leading to the synthesis of …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 5, Issue 2, 2019 · pp. 30–37 Read article
-
SYNTHESIS AND IR-SPECTROSCOPIC STUDY OF MIXED LIGAND COMPLEX COMPOUNDS OF COPPER (II) FORMAT WITH SOME AMIDES
Abstract: Complex compounds of metals with amides, having biological activity are widely used in agriculture. Complex compounds of copper with organic ligands are physiologically active, participating in the vital processes of living organisms; the formiats have bactericidal and fungicidal properties. For the first time, mixed ligand complex compounds of copper (II) formate with formamide, thiocarbamide, acetamide and carbamide in an aqueous solution were synthesized. Using the methods of IR spectroscopy and …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 6, Issue 2, 2020 · pp. 31–38 Read article
-
Synthesis, Characterization and Catalytic Study of Chitosan-Schiff Base Manganese Complex
Abstract: Schiff base is the condensation product formed when a primary amine reacts with a carbonyl compound. The term Schiff base is normally applied to those compounds when they are being used as ligands to form coordination complexes with metal ions. Its formation takes place under acid or base catalysis or with heat. Vanillin Schiff base and Aspartic acid-Salicylaldehyde Schiff bases have been synthesised bycondensation reaction. The synthesized ligands were mixed …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 1, 2022 · pp. 1–6 Read article
-
Antiaging Effect of BSF-Cream on the Skin of Human Being
Abstract: The most innovative and promising areas of aging treatment are primarily found in dermatology, cosmetics, and biological applications. Numerous changes that accompany the aging process of the skin are caused by a confluence of exogenous (toxins, chemicals, pollutants, and UV radiation) and endogenous (gene mutation, cellular metabolism, and hormonal variables). Decline the efficiencies of the body and metabolic activities soon after reaching the stage of maturity are associated with the …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 2, 2023 · pp. 21–31 Read article
-
A Generic Assessment of Commercial Battery based Energy Storage Projects Round the World
Abstract: The importance of battery based electrical energy storage projects is on the rise globally, especially in conjunction with the boom in renewable energy technology deployment all over the world. A number of large scale battery energy storage projects have already been deployed and several more are in the pipeline. Along with it, research and development activities on novel battery chemistries are being actively pursued. This work aims to present major …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 6, Issue 2, 2020 · pp. 1–9 Read article
-
Thermodynamic Analysis of an Adsorption Refrigeration System
Abstract: In this paper, thermodynamics analysis of an adsorption refrigeration pair (activated carbon and methanol) at adsorption equilibrium conditions has been proposed. Similar analyses have been done by different scientists for different combinations of adsorbent-adsorbate pairs. Adsorption refrigeration processes normally occurs in physical adsorption condition and activated carbon molecules being nonpolar in nature, micropores approach of adsorption (Polanyi’s micropores theory and D-A equation) has been followed here. Analysis of the adsorption …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 1, Issue 1, 2015 · pp. 1–9 Read article
-
A Note on-Thermodynamics in Our Daily Life
Abstract: Thermodynamics plays crucial role in our day-to-day life. Almost all the activities that we do or observe are all based on the principles of thermodynamics. Here, some of the common routine activities are brought into limelight that is explained by the phenomenon of thermodynamics. Keywords: energy, entropy, heat transfer, thermodynamics
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 2, Issue 2, 2016 · pp. 29–30 Read article
-
A Dynamic Role of Thermodynamics Chemistry in Refrigeration and Air Conditioner Devices
Abstract: Thermodynamics plays a very crucial role in our daily life. Almost all the activities that we do or observe are all based on the principles of thermodynamics. Here, some of the common routine activities of refrigeration and air conditioners are brought into limelight that is explained by the phenomenon of thermodynamics. Thermodynamics is a branch of physics concerned with heat and temperature and their relation to energy and work. It …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 1, 2017 · pp. 19–25 Read article
-
Review on Preparation and Applications of Formazan Compounds
Abstract: The objective of the survey designated in this study is to predict the redox-active feature of formazan derivatives. To realize this purpose, preparation processes and investigation approaches of the formazan derivatives are developed. The redox properties of formazan derivatives were identified via electrochemical approaches and the first samples of isolated and well-investigated formazan products are designated in this review. Formazan derivatives (as a dyes) are synthetic chromogenic yields of the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 2, 2019 · pp. 23–33 Read article
-
Simulation of Heat Generated on Crude Oil Degradation upon the Effect of Temperature in Bacteria Growth Kinetics in a Bioreactor
Abstract: Model was established to simulate the heat generated by bacteria with the interaction of substrate (crude oil) degradation in a bioreactor upon the influence of temperature. The model was predicted by simulating the characteristics of bacteria interaction with substrate at temperature of 15oC, 30oC, 45oC, 60oC, 75oC, 90oC, 105oC and 120oC and heat generated is within the range of -1.0 to 7.1kcal/hr for bacteria in fresh water medium whereas for …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 39–54 Read article
-
Climate Change – Causal Factors and Impacts with Special Reference to India
Abstract: The change of climate during the last few decades have witnessed frequent floods, droughts, loss of agriculture yield, effect on water resource, food security, rise in sea levels, impact on coastal areas, biodiversity and ecological changes and occurrence of cyclones resulting into significant damage to life and health, property, land, agriculture, and economy. Climate change in earlier times were predominantly on account of natural factors due to changes in Earth’s …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 2, Issue 2, 2016 · pp. 10–20 Read article
-
The Environmental Impact of Soil Pollution on Human Health
Abstract: Soils are shaped by the decomposition of rock and organic matter over several years. Soil properties vary from place to place with difference in bedrock composition, climate and other factors. Certain chemical elements occur naturally in soils as components of minerals, yet may be toxic at some concentration. Various other potentially harmful substance may end up mixing with soils through human activities. This may lead to soil contamination which in …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 3, Issue 2, 2017 · pp. 29–34 Read article
-
Durability Studies on Red mud and GGBS based Geopolymer Concrete
Abstract: The aim of the study is to evaluate the performance of geopolymer concrete and conventional concrete. In the present work, two Industrial by-products such as Red Mud and ground granulated blast furnace slag (GGBS) of 25:75 proportion is used for geopolymerisation. Red mud is a by-product from Alumina industry. GGBS is a by-product from iron industry. To develop a bond between binder and aggregates to form a geopolymer concrete feldspar …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 5, Issue 1, 2019 · pp. 9–17 Read article
-
Farming on Phone: Understanding Cotton Farmers’ Intentions and Feasibility to Adopt ICT-based Agro Advisory Services in Maharashtra, India
Abstract: The use of ICT tools in the agriculture sector for rural farmers has emerged as a potential for empowering farmers and improving their livelihoods as the phone-based agro-advisory services provide farmers with access to tailored relevant information to help them make better decisions about agricultural activities, crop yields, and better management of natural resources. However, understanding the impact of social structure on ICT adoption and perceived impacts is important to …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 8, Issue 2, 2022 · pp. 14–25 Read article
-
Analysing Seismo-electromagnetic Waves through Wavelet Transformation
Abstract: This research has presented a sophisticated methodology for studying lithosphere-ionosphere coupling phenomena, emphasising the identification of pre-seismic activity through seismo-electromagnetic signal processing. The application of an advanced electric field monitoring device, coupled with the precision of the Discrete Wavelet Transform (DWT), has allowed us to uncover nuanced patterns in the ULF range, specifically related to seismic events during the Kumamoto Earthquakes. The detailed statistical analysis further supports the significance of …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 9, Issue 2, 2023 · pp. 10–17 Read article
-
Preparation of Layout and Estimation of Sports Complex using Autodesk AutoCAD and Microsoft Excel Software: Review
Abstract: Sports, recreational activities are now widely accepted as fundamental elements of a good life. As sports being an important aspect of social life of human being, it brings in health and fitness followed by entertainment and social gatherings. In the process of development of infrastructure required for the betterment of sports in the society, the availability of sports complexes and sports ground becomes essential. A well designed infrastructure of a …
Published in International Journal of Structural Engineering and Analysis · Vol. 7, Issue 2, 2021 · pp. 19–25 Read article
-
Innovative Solutions to Water Supply Challenges through Water Sanitation and Hygiene Practices in Nigeria
Abstract: Innovative solutions to water supply and challenges in Nigeria can be achieved through effective and all encompassing Water Sanitation and Hygiene (WASH) implementation strategies. This paper examined innovative solutions to water supply challenges through water sanitation and hygiene practices. Methodology used includes thorough investigation of WASH activities in Nigeria, expert opinions and literature surveys. Findings reveal that some communities in Nigeria are yet to fully utilize WASH services. In order …
Published in International Journal of Water Resources Engineering · Vol. 7, Issue 2, 2021 · pp. 21–31 Read article