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117 articles for “X-Ray”
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Amorphous Carbon Nanotube-MoS2 Nanohybrids : A New Future Material in the Application of Battery, Supercapacitor and Field-emission Display Devices
Abstract: The discovery of graphene make the researcher interested towards the other two-dimensional material which has quite similar properties like graphene. Among them, MoS2 nanosheets has extraordinary optoelectronic and physical properties. It has several applications in developing battery, sensor, optoelectronic device etc. On the other hand, amorphous carbon nanotube can be synthesized by using a low temperature chemical process. Due to the easy processing of amorphous carbon nanotube (ACNT), good optoelectronic …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 5, Issue 2, 2019 · pp. 36–45 Read article
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Effect of nano Aluminum on Thermal Behavior and Ignition Characteristics of Al/KClO4 Thermite Composition
Abstract: Ignition experiments of micron size Al/KClO4 (ALCLO) thermite composition was carried out at high heating rate (40°C/min.) using DTA (differential thermal analysis), and it was observed that no ignition took place up to 700°C. Similarly in case of STA (simultaneous thermal analyzer) experiments, no ignition peaks were found up to 1100°C at 20/min. ALCLO when ignited in a bomb calorimeter for heat of combustion output measurement it produced a large …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 5, Issue 2, 2019 · pp. 9–19 Read article
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Nanostructured Carbon Aloe vera based DSSC Solar Cell Using Screen Printing Technology
Abstract: Today every nation faces vitality emergencies; so, to conquer it, various arrangements are given to advance towards sun-based energy harvesting which is rich and allowed to utilize. The presented study aims to give a simple synthesis technique for mass production of DSSC from working principles to the first commercial use. DSSC converts solar energy into electricity with help of energy harvesting materials like natural dye which makes it more sustainable …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 6, Issue 2, 2020 · pp. 52–59 Read article
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Solution Combustion Synthesis of Yttrium molybdate (Y6MoO12) Nanoparticles by using Peroxomolybdic Acid, Characterization and Applications
Abstract: The main aim of our present research work is to synthesize the distinct yttrium molybdate (Y6MoO12) nanoparticles with excellent photocatalytic activity through ultra-rapid solution combustion route using peroxomolybdic acid as molybdenum source for the first time. The morphology of Y6MoO12 nanoparticles studied using scanning electron microscopy (SEM) exposes that the particles are exceedingly porous and agglomerated. From BET surface area measurement, it is examined that Y6MoO12 nanoparticles exhibit relatively large …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 1–12 Read article
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Comparative Analysis of Characterization Techniques for Nanomaterial: Strengths and Limitation
Abstract: Nanomaterials have become extremely popular in numerous fields because of their exceptional properties and potential applications. However, characterizing these materials can be challenging due to their minute size and substantial surface area. Over the years, various characterization techniques have been developed to understand the physical, chemical, and structural properties of nanomaterials. In this review, we compare and analyze the strengths and limitations of commonly used characterization techniques for nanomaterials. Several …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 8, Issue 2, 2022 · pp. 34–41 Read article
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Comparative study of the Magnetoelectric Properties in Core-Shell Nanocomposites as well as mixture of CoFe2O4:BaTiO3
Abstract: Nanostructures of multiferroic materials have been drawing increasing curiosity due to the boosted magnetoelectric coupling and potential for succeeding generation multifunctional devices. Composites of ferroelectric and magnetostrictive materials indicate more magnetoelectric coupling than single phase materials. Core-shell CoFe2O4:BaTiO3 nanocomposites (1:1 weight ratio) and a mixture of both of them have been produced by a combination of hydrothermal and sol gel techniques. X ray diffraction analysis endorses the presence of both …
Published in International Journal of Composite and Constituent Materials · Vol. 1, Issue 1, 2015 · pp. 1–6 Read article
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Thermal and structural properties of surface treated ragweed fiber reinforced biodegradable polylactic acid biocomposites
Abstract: Natural fiber-reinforced composites (NFRC) are becoming more popular as technological advance recognizes the need for eco-friendly materials. This work presents Giant ragweed (Ambrosia trifida) as a new composite reinforcement material into polylactic acid (PLA) matrix to form novel natural fiber-reinforced composites. Different types of retting techniques are utilized, and hydrogen peroxide retting is proven to provide the most optimized properties. The fibers are taken through subsequent extraction and grinding processes. …
Published in International Journal of Composite and Constituent Materials · Vol. 8, Issue 2, 2022 · pp. 13–31 Read article
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Sorption of Pb (II), Cd(II) and Zn(II) by synthesized nanocrystalline sodium potassium flurophlogopite (FGP)
Abstract: We have successfully synthesized nanocrystalline sodium potassium fluorophlogopite (FGP) crystals with controlled sizes from ≈ 25 nm to 100nm, using an organic tetrapropylammonium (TPA) hydroxide. We have been successfully synthesized material depends on the source of silicate and hydrothermal crystallization conditions. The synthesized materials were characterized by using different techniques such as X-ray diffraction, Energy Dispersive Analysis, Scanning Electron Microscope, Transmission Electron Microscopy and FTIR analysis. The use of sodium …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 2, 2023 · pp. 41–49 Read article
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Study of Dynamic Mechanical and Thermal Properties of Poly(Ether Ether Ketone) Carbon Nanotubes
Abstract: The effect of polyetherimide (PEI) as a compatibilizing agent on the morphology, thermal, electrical and dynamic-mechanical properties of poly(ether ether ketone) (PEEK)/single-walled carbon nanotube (SWCNT) nanocomposites, has been investigated for different CNT loadings. After a pre-processing step based on ball milling and premixing under mechanical treatments in ethanol, the samples were prepared by melt extrusion. A more homogeneous distribution of the CNTs throughout the matrix is found for composites containing …
Published in International Journal of Polymer Science and Engineering · Vol. 3, Issue 1, 2017 · pp. 1–21 Read article
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Low temperature plasma treatment of polymeric membranes: a comparative review
Abstract: This paper presents a comparative study of plasma surface modification of various polymeric membranes. Low temperature plasma treatment using pulsed direct current discharge of different gases was employed to enhance hydrophilicity of membranes. Radio frequency discharge of various gases was used to improve surface properties of different polymeric membranes. The enhancement of hydrophilicity of the plasma modified membrane surface was evaluated by measuring the contact angle. The membranes were characterized …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 1–19 Read article
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Investigation on Catalyst Selection for Polymerization Processes in Petrochemical Industries
Abstract: Organic polymers are long-chain compounds made of several repeating units. These polymers are either natural, such as protein, cellulose, starch or synthetic, such as polyethylene (a plastic), polyesters and polyamides (plastics and fibers) and polybutadiene (rubber).Many organic compounds possessing multiple bonds have the tendency to polymerize in the presence of an initiator. Polymerization of these compounds can either be affected by the use of chemical initiators such as free radicals …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 2, 2020 · pp. 12–16 Read article
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Preparation of PMMA Nanoparticles in Different Ways and Studying the Effect of Some Factors on Changing Its Properties
Abstract: Poly(methyl methacrylate) (PMMA) is usually made with the help of radical polymerization, coordination polymerization, and methyl methacrylate acid esterification. Due to its hardness, PMMA is widely used in the medical sciences, optical materials, electronics, and automotive industries. The present study aims to fabricate PMMA nanoparticles using different chemical methods such as sol-gel polymerization, co polymerization, etc. Various aspects of the synthesis process will be changed, such as temperature, reaction time, …
Published in International Journal of Polymer Science and Engineering · Vol. 8, Issue 2, 2022 · pp. 37–43 Read article
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Aerobic Exercise Prescription in Chronic Obstructive Pulmonary Disease Patients Using Six-Minute Walk Test: A Narrative Review
Abstract: Chronic obstructive pulmonary disease (COPD) is a disease that has significant pulmonary effect, leads to airflow limitation. The main cause of COPD is cigarette smoking. Other than that, there are various causes that results in COPD. In this, various respiratory parts get affected pathologically. chest X-ray, spirometry and exercise tests are used to diagnose it. Six-minute walk test (6 MWT) is one of the very reliable parameters to assess and …
Published in International Journal of Cardiovascular Nursing · Vol. 7, Issue 1, 2021 · pp. 1–16 Read article
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A study to Assess Moral Distress and its Contributing Factors to Patient Care Among Staff Nurses Working in a Selected Govt. Hospital, West Bengal
Abstract: A descriptive study was conducted to evaluate moral distress felt by staff nurses, identifying the contributing factors regarding moral distress, determining association between moral distress and selected demographic variables & identifying correlation between moral distress and contributing factors. The conceptual framework adopted for the study is based on Betty Neuman’s system Model.140 nursing personnel were selected as sample through non probability purposive sampling technique. The setting was Medical College and …
Published in International journal of Nursing Science Practice and Research · Vol. 5, Issue 2, 2019 · pp. 75–82 Read article
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Nanocomposite Hydrogels for Water Purification
Abstract: DNA hydrogels have been demonstrated as versatile catalysts, potential adsorbents, sensors and immobilization carriers of bioactive molecules. They are a type of tenuous, semiflexible polymeric network that consists of precisely designed synthetic nucleotide strands as chemical or physical cross-linkers. Hydrogels have been widely studied due to their improved physicochemical properties and used as antibacterial platforms, wastewater pollutants, adsorbents and drug deliverers. Because of their biocompatibility and the ability to mix …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 2, 2018 · pp. 17–21 Read article
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Combine Effect of Dry and Decomposed Raffia Palm in the Bioremediation of Oil-based Drill Cutting
Abstract: This study determines the effect of dry substrate and decomposed raffia palm for degradation of oil- based drill cuttings bioremediation. The remediation process was effectuated using dry and decomposed raffia palm. The experiment was carried out at the research Centre located at Agricultural and Environmental Engineering departmental workshop in Rivers State University, Port Harcourt. Samples of oil-based drill cuttings were bulked in eleven reactors with four replications (T1, T2, T3-T11). …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 21–29 Read article
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A Study on Stress Analysis of Aluminum Alloy Solidified in Metallic Molds
Abstract: Abstract The casting technique is regarded as the primary manufacturing process. It has several process parameters that affect the cast structure. Mold geometry is considered one of the most important metal parameters to cast. In the current work, the influence of mold geometries on mechanical properties (deformation and stress concentration) of liquid Aluminum alloy solidified in the steel mold is assessed using ANSYS simulation software. Molds were subject to a …
Published in International Journal of Manufacturing and Materials Processing · Vol. 10, Issue 2, 2024 · pp. 10–15 Read article