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1805 articles for “Techniques”
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Passive Capillary Flow of Dyed Ethylene Glycol in the SU-8 based Glass Microfluidic Devices Fabricated by Microfabrication Technologies
Abstract: In this work, total 4 individual SU-8 based glass microfluidic devices are fabricated by the steps of maskless lithography and indirect bonding technique using author’s own hands-on completely. Dyed ethylene glycol (80% red dye, 20% ethylene glycol) is prepared as working liquid. The CMOS camera catching 25 frames per second with a corresponding time-scale resolution of 0.04 second is used to record the surface-driven capillary flow of dyed ethylene glycol …
Published in International Journal of Chemical Engineering and Processing · Vol. 5, Issue 1, 2019 · pp. 37–42 Read article
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Brain Tumor Detection using Machine Learning Methods-KNN, SVM, DT, RF
Abstract: Brain tumor is a major contributor to illness and death worldwide, and timely diagnosis is essential for successful treatment and improved outcomes Recent research has looked into the possibility of machine learning algorithms for detecting and classifying brain tumours in medical pictures. In this study, four commonly used machine learning algorithms (K-Nearest Neighbours, Decision Trees, Support Vector Machines, and Random Forests) were evaluated for their effectiveness in brain tumor detection. …
Published in International Journal of Chemical Engineering and Processing · Vol. 9, Issue 2, 2023 · pp. 48–59 Read article
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Advance in the Synthesis of Oxadiazole Based Heterocyclic Compound
Abstract: The five members of the heterocyclic ring 1,3,4-oxadiazole are necessary for the production of strong bioactive molecules. Numerous pharmacological effects, including anti-inflammatory, antibacterial, anticancer, antitubercular, anticonvulsant, anti-HIV, hypoglycemic, and antioxidant qualities, are exhibited by this intriguing class of chemicals. We have created four novel 1,3,4-oxadiazole compounds in the continuing study, which are sourced from the NSAID Ibuprofen. Melting point analysis and TLC were used to verify the compounds' purity. Open …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 9, Issue 2, 2023 · pp. 10–15 Read article
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Review on Production of Activated Carbon from Agricultural Biomass Waste
Abstract: Agricultural biomass waste is one of the main residue largely generated in the environment and was used as precursor for the synthesis of activated carbon as adsorbents, support on catalyst, electric charge storage, micro pore structure, high adsorption capacity material. Recently, many research paper can be found on particular biomass feedstock and activation technique to produce activated carbon. Consequently, main focus should be taken to the relevance those precursor effectiveness …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 7, Issue 2, 2021 · pp. 26–37 Read article
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A Review Of Gas Turbine Air Craft Engines
Abstract: Modern Airplanes now routinely use gas turbine engines as their propulsion technology. This research offers a thorough review of the variables influencing the performance analysis of gas turbine aircraft engines. The fundamentals of how gas turbine engines work as well as the variables that impact their efficiency, such as air pressure, humidity, and temperature. The components of gas turbine engines include the compressor, combustor, and turbine,. The techniques for assessing …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 9, Issue 2, 2023 · pp. 22–27 Read article
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A Study of Thermodynamics of Ligand - Receptor Interaction in Chemical Sciences
Abstract: The formation and separation of definite non-covalent interactions between varieties of macromolecules play a crucial role in the function of biological systems. During the last few years, three main lines of research led to a dramatic improvement of our understanding of these important phenomena. First, combination of genetic engineering and X ray crystallography made available a simultaneous knowledge of the precise structure and affinity of series or related ligand-receptor systems …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 3, Issue 2, 2017 · pp. 12–16 Read article
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AN OVERVIEW OF OPERATION SYSTEM ORDER FOR DC- DC CONVERTER USING PULSE- WIDTH MODULATION
Abstract: To achieve the continuous power transmission, the behavior of dc-dc converter using pulse width modulation technique need to be analyzed in different operation modes. In this paper, review of operation system order for dc-dc converter using PWM that controls the power flow path between the source, load and the battery was done. The generator voltage, input frequency and loads demand with several operating states and control strategies are reviewed. The …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 38–44 Read article
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Atomic Layer Etching and its Characteristic
Abstract: Atomic layer etching (ALE) is most advanced etching technique for removing thin layer of material at the atomic level using sequential reaction steps that are self limiting. ALE is thousand times faster as compared of approaches like Reactive ion etching (RIE) & others. ALE with thermal technique, the researchers fabricated 3-D transistors that are as narrow as 2.5 nanometers and more efficient than their commercial counterparts. Consider the etching approaches …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 45–56 Read article
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Thermodynamic Explanation on Surface-Driven Capillary Flow of Working Liquids in the Microfluidic Devices Fabricated by Polymers
Abstract: In this experimental work, total 100 individual microfluidic devices are fabricated by polymers using author’s own hands-on completely. A set of straight microchannels, gradual expansion microchannels, sudden expansion microchannels and sudden contraction microchannels are fabricated by SU-8 using the maskless lithography and indirect bonding technique. Another set of straight microchannels, gradual expansion microchannels, sudden expansion microchannels and sudden contraction microchannels are fabricated by PMMA using the maskless lithography, hot embossing …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 1, 2020 · pp. 45–70 Read article
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Tetrahydro-dibenzo[a,d][7]annulene-5,11-dihydrazone and Magnesium oxide Used to Control the Corrosion of Aluminium in Chloride ions Environment
Abstract: Chloride ions interact with aluminium in marine atmosphere to form corrosion cell. Due to this corrosion reaction occurs on their surface, aluminium is oxidized into Al3+. The corrosion reaction accelerates deterioration in metal and it produces galvanic, pitting, stress, crevice, intergranular corrosion. Chloride ions decrease internal and external strength of aluminium metal. It is a very important metal so used in different appliances for e.g. road, water, air transports, housing, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 6, Issue 2, 2020 · pp. 35–48 Read article
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Developments of Glass-Ceramics in Modern Scenario
Abstract: This article is a study on glass science and methods to achieve esteem. Synthetic protocols has been implacable secure to obtain glass-ceramic properties. First glass-ceramic capability has been introduced by Stookey in 1950s’. His excellence has reticulated control on devitrification of glass by adding nucleating agent i.e. TiO2 in 1960s’. Extendable pursue has rated score depending on sinter philosophy on glass-ceramics as well former scripture that has been etiquette of …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 2, 2021 · pp. 23–31 Read article
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Short Experimental Report on the Passive Microfluidic Flow in Fluid Mechanics
Abstract: In this work related to experiments, two individual polymethylmethacrylate (PMMA) based microfluidic devices (microchannel bends) are fabricated by the following techniques: (a) maskless lithography, (b) hot embossing lithography, and (c) direct bonding technique. Dyed water is chosen as working liquid in this particular work. The CMOS camera is used to capture each passive microfluidic flow of dyed water in the fabricated devices. The effects of channel aspect ratio and centrifugal …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 2, 2021 · pp. 32–37 Read article
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Corrosion Protection of Copper Metal by Nanocoating in Nitrogen dioxide Environment
Abstract: Nitrogen dioxide is an acidic gas. It absorbs moisture to produce nitric acid. It creates corrosive medium for copper metal. It forms corrosion cell on the surface of copper and accelerate corrosion reactions. The corrosion cell formation is written as: Cu|Cu2+||H+|H2 thus corrosion reactions start and copper is oxidized into Cu2+surface and it is oxidized into Cu2+ whereas H+ ion is reduced into H2. Nitric acid environment copper exhibits galvanic, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 1, 2022 · pp. 1–11 Read article
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Oxidative Desulfurization of Petroleum
Abstract: One of the most successful desulfurization procedures for the creation of ultra-low sulphur import fuels is oxidative desulfurization, which converts aromatic sulfur-containing molecules into sulfone counterparts before being extracted. Oxidative desulfurization processes using graphene oxide are of great interest for fuel sulfur removal. Its technique of desulfurization in reactions catalyzed was thoroughly detailed in this review, along with graphene’s function as a supported catalyst, the findings of research on oxidative …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 8, Issue 2, 2022 · pp. 1–4 Read article
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Study of RC Framed Building in Different Siesmic Zones for Economic Consideration
Abstract: Abstract In present scenario, the society is expecting to have optimum design with economic considerations. Cost of building, plays a very important role in construction. As the structural cost forms the major component of the building cost, there is need to evolve appropriate cost modeling techniques to project the structural cost at the early stages of the planning and design. Earthquake resistant design is very important factor that decides the …
Published in International Journal of Construction Engineering and Planning · Vol. 1, Issue 2, 2015 · pp. 14–19 Read article
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Vacuum Dewatering During Concreting: Modern Construction Method
Abstract: In the RCC construction, water–cement ratio is detrimental for concrete. We always try to restrict the water–cement ratio because we want structure achieve its higher strength rather it is necessary for structure life. For the chemical reaction which is generated in cement and water, water–cement ratio of less than 0.38, whereas the adopted water–cement ratio is much more than that mainly because of the requirement of workability. After the requirement …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 1, 2017 · pp. 6–12 Read article
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Retrofitting of Existing Building by Concrete Jacketing
Abstract: Seismic Retrofitting is engineered mitigation techniques for structural engineers. It is defined as the modification of existing structures to make them more resistant to seismic activity, ground motion or soil failures due to earthquakes. It is generally required for earthquake damaged and vulnerable buildings with no exposure to severe earthquakes. Retrofit enhances the structural capabilities of the building. In present time, there are many local and global retrofit techniques in …
Published in International Journal of Construction Engineering and Planning · Vol. 3, Issue 1, 2017 · pp. 49–84 Read article
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Selection of effective formwork system using multi criteria decision making analysis
Abstract: Formwork is the largest single cost item in constructing cast-in place reinforced concrete structure. This project focuses on analyzing the formwork selection problem based on decisive criteria. The factors affecting the choice of the exact formwork system have been often discussed in literatures but their importances have not been distinctly formulated. Therefore, a survey was conducted to recognize the decisive criteria in the formwork selection problems and ranking of the …
Published in International Journal of Construction Engineering and Planning · Vol. 5, Issue 2, 2019 · pp. 1–9 Read article
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Projects in Accelerated Conditions
Abstract: The work aims in identifying the causes of delay in construction projects and the acceleration techniques adopted to overcome them. Questionnaire survey with experts from industry was used for generation of data and analyzed using Relative Importance Index and Spearmen’s Rank Correlation Coefficient test. On analyses it was noticed that project complexity, labour challenges and resequencing of activities are the main barriers impacting the timeline for construction projects. Various acceleration …
Published in International Journal of Construction Engineering and Planning · Vol. 9, Issue 2, 2023 · pp. 46–56 Read article
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Mathematical Model to Monitor Concrete Compressive Strength Partially Replaced with Periwinkle and Palm Kernel Shell as Aggregate
Abstract: This research work monitor that application of periwinkle and palm kernel shell as partial replacement for aggregate, the study are carried out applying modeling and simulation techniques, concrete are normally heterogeneous in most cases, but the study try to examine the growth rate of the material on their compressive strength, such process were carried out using these two locally sourced material at different percentage of replacement for aggregate, the study …
Published in International Journal of Construction Engineering and Planning · Vol. 9, Issue 2, 2023 · pp. 6–28 Read article