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136 articles for “Crystal”
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The new methods of degassing fuel liquid in the tank of rocket engine and liquids in the life-support system of automatic spacecraft using the controlled vibration or the specially created temperature gradient in the liquid
Abstract: The paper presents the developed methods of degassing of fuel liquid in the fuel tank of rocket engine and liquids in the life-support system of automatic spacecraft using the controlled vibration or the specially created temperature gradient in the liquid that are simple on their of construction, economically highly effective and productive, mobile, and can be used in any part of the systems of power supply and life-support of automatic …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 28–43 Read article
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A study of mesomorphic properties of Rod shaped 1, 2, 4-triazine integrated imine compounds
Abstract: Synthesis of typical rod-like liquid crystals has a great interest in numerous applications. The model has a terminal chain attached to only one end of the central rigid core. At the other end of the rigid core is a functional group that can be either polar or nonpolar. There are three kinds of rod-like liquid crystal, in this segment applies specifically to materials with template designs. Generally, terminal groups which …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 8, Issue 2, 2022 · pp. 16–25 Read article
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Advantage of Microsilica in Concrete Compressive Strength
Abstract: Abstract Microsilica is an undefined sort of silica tidy for the most part gathered in sack house channels as by-result of the silicon and ferro-silicon generation. The paper condenses essential physical and synthetic properties of miniaturized scale silica and utilizes those outcomes for an assessment of small scale silica from a Health Safety and Environment (HSE) point of view. Small scale silica comprises of circular particles with a normal molecule …
Published in International Journal of Concrete Technology · Vol. 2, Issue 1, 2016 · pp. 37–43 Read article
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Lie Detector for Loyalty Test Using Biomedical Device
Abstract: This paper describes the real time working of a Simulink based blood pressure and body temperature monitoring system based on ATMEGA 328 (Arduino uno). The major monitoring system in use give the output on a liquid crystal display, even if it is a digital circuit, it is prone to noise and distortions. So, we are using a new technique to make this health monitoring system more accurate. We are adding …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 8, Issue 1, 2022 · pp. 8–13 Read article
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Nanoparticles to Control Stranded Packing of DNAs
Abstract: We report here on new optic and small-angle X-ray scattering (SAXS) measurements concerning the formation of the dispersions from double-stranded (ds) DNA molecules, doped with negatively charged gold nanoparticles (nano-Au). The nano-Au fixation nearby the surfaces of linear ds DNA in solution of high ionic strength (0.3 M NaCl) and subsequent phase exclusion of (ds DNA-nano-Au) complexes from solution containing poly(ethylene glycol) results in decrease in the amplitude of abnormal …
Published in International Journal of Applied Nanotechnology · Vol. 2, Issue 2, 2016 · pp. 4–10 Read article
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A Review on Modified TiO2 Nanostructured Materials in DSSC
Abstract: Dye sensitized solar cells DSSCs emerged as a new class of low cost energy conversion devices with simple manufacturing procedures and environmentally friendly character.TiO2 controls the light harvesting and confinement properties of the cell, in addition to preventing charge recombination and promoting charge transport toward the anode. These last two parameters are major factors in determining the charge collection efficiency. The particle size and shape, crystallinity, surface morphology and chemistry …
Published in International Journal of Energetic Materials · Vol. 1, Issue 1, 2015 · pp. 10–21 Read article
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A REVIEW ON ORGANIC LIGHT EMITTING DIODE (OLED)-AN INNOVATIVE DISPLAY TECHNOLOGY
Abstract: In the vast field of display technology, Organic light emitting diode is a new and inspiring invention. The principle on which it operates, is a process in which electrical energy changes to light energy and is termed as electroluminescence. At first, small and thin light emitting diode display invented, used for the digital display of numbers. Then, cathode ray tubes came which are being used now, however CRT have certain …
Published in International Journal of Energetic Materials · Vol. 4, Issue 2, 2018 · pp. 1–12 Read article
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Characterization of CeO2-NiO Thin Film Produced by Jet Nebuliser Technique
Abstract: CeO2 –NiO composite solution was sprayed as thin films by using JET nebulizer technique at the substrate temperature of 250°C. The film was characterized by X-ray diffractometer and crystallite size, lattice constant, crystallinities, phase transformations were measured. The UV-Vis spectrometer analysis was used to calculate the band gap, absorbance and percentage of transmission of the thin films was reported. The emission and excitation spectra of the sample were reported. The …
Published in International journal of Nanobiotechnology · Vol. 7, Issue 1, 2021 · pp. 1–17 Read article
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Study the properties of spin-coated Co-doped ZnO (CZO) thin Film
Abstract: Co doped ZnO (COZ) nanoparticles were prepared by spray pyrolysis technique followed by annealing at three different temperatures. XRD, UV- Vis spectroscopy, Photoluminescence (PL) studies, Scanning electron microscopy (SE), and vibrating sample magnetometry (VSM) studies were made to analyze the structural, optical and magnetic properties. XRD pattern confirmed the improved crystallinity after annealing and the formation of hematite phase. A UV-visible spectrum indicates that the nanoparticles exhibit the blue shifting …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 26–35 Read article
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Study of Mechanical Properties of Aluminum Nanocomposites using Auto Ignition Technique
Abstract: Al2O3 - high ZrO2 nanocomposite was synthesized by auto-ignition technique using metal nitrate and citric acid with a ratio of citrate: nitrate equal to 1:1.5. The precursor zirconium oxynitrite was derived from precipitation of zirconium oxycloride followed by dissolution of gel in nitric acid. The thermal decomposition behaviour of the gel was studied in order to study the decomposition behaviour and to determine the crystallization temperature. The effect of calcination …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 3, Issue 2, 2017 · pp. 36–42 Read article
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Effect of Coupling Agent on Organoclay Dispersion in Polyethylene/Organoclay Nanocomposites for Packaging Industry
Abstract: Low-density polyethylene (LDPE) is one of the most widely used polymers in various fields, but due to the hydrophobic nature of LDPE, it is hard to prepare an LDPE/clay nanocomposite. In this article, an LDPE/organoclay nanocomposite, which can be used in the packaging industry, was prepared by melt-blending organoclay with a polymer matrix (LDPE) and compatibilizer, low molecular weight oxidized polyethylene. The influences of organoclay, and compatibilizer during melt mixing …
Published in International Journal of Composite Materials and Matrices · Vol. 9, Issue 1, 2023 · pp. 1–11 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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Synthesis of Biodegradable Nano Composite of PMMA vinyl Polymer with Corn Cob
Abstract: Vinyl polymers are the largest category of polymers which have wide applications. PMMA is important vinyl polymer which when modified with with Corn Cob(agricultural waste) for nanocomposite formation, then it may result biodegradable modified polymer. Corn cobs (focal piece of maize) are either treated as waste or consumed as fuel causing ecological concern. So as to accomplish its worth option in new research regions, corn cob can be prepared synthetically …
Published in International Journal of Polymer Science and Engineering · Vol. 6, Issue 1, 2020 · pp. 20–24 Read article
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Preparation and Evaluation of Plant-Based Coir Fiber-Reinforced Polypropylene Composites
Abstract: In the present article, unidirectional coir fiber (CF) and alkali-treated CF (ACF) were incorporated in polypropylene (PP) with and without 3-aminopropyl trimethoxy silane (AS) and tetramethoxy orthosilicate (TS) to produce composites by a compression molding technique. The basic properties of PP/CF composites (e.g. tensile strength, tensile modulus, impact strength, and water absorption) have enhanced with increasing CF content. The incorporation of AS and TS after alkali pretreatment for CF composites …
Published in International Journal of Polymer Science and Engineering · Vol. 7, Issue 2, 2021 · pp. 34–47 Read article
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Computational Simulation of Continuous Centrifugal Machine using Computational Fluid Dynamics
Abstract: In this paper, the centrifugal machine which is used in a sugar industry has been analysed. The centrifugal machine is used for the separation of the molasses and the sugar crystals from the massecuite. The objective behind the analysis of the flow in the centrifuge is to achieve the reduction in the separation process time using the Computational Fluid Dynamics and to increase the tonnes/hour output of the sugar. The …
Published in International Journal of Computer Aided Manufacturing · Vol. 5, Issue 1, 2019 · pp. 1–8 Read article
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To Assess the Effectiveness of Self-instructional Module (SIM) on Knowledge and Attitude Regarding Cataract and Management Among Cataract Patients in Selected Hospitals of District Sangrur, Punjab: A Quasi-experimental Study
Abstract: A cataract is an opacity in the eye's crystalline lens that causes glare or blurred vision. The crystalline proteins that make up the lens are specialised proteins whose optical characteristics depend on the precise arrangement of their three-dimensional structure and hydration. The main concept of this study was to make the patients aware of cataracts and their management. The researcher prepared a self-instructional module to further enhance their knowledge and …
Published in International Journal of Geriatric Nursing · Vol. 5, Issue 2, 2022 · pp. 12–20 Read article
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Eco-Friendly Starch-Iron-Oxide Nanoblends from Fruit Peel Waste – A Green Waste Valorization Approach
Abstract: Utilization of agricultural wastes for production of useful biomaterials has attracted a lot of interest due to their environmental and economic benefits. In the present study, green banana peels were used as bio sustainable raw materials from which starch was extracted, and pomegranate peels were used as an ecofriendly raw material for the green synthesis of iron oxide nanoparticles. The green banana peels were also found to be a potential …
Published in International Journal of Green Chemistry · Vol. 12, Issue 2, 2026 · pp. 29–39 Read article
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Synthesis, Structural Elucidation, and Antimicrobial Screening of a Cobalt (II) Coordination Compound Derived from a Thiophene-Containing Schiff Base
Abstract: Abstract An N, O-chelating azomethine Schiff base ligand (HL), chemically identified as 2-{[(thiophen-2-yl) methylidene] amino} benzoic acid, was synthesized by an equimolar condensation reaction between thiophene-2-carbaldehyde and anthranilic acid in absolute ethanol in the presence of a catalytic amount of acetic acid. The corresponding cobalt (II) complex, formulated as [Co(L)₂] · 2H₂O, was prepared by refluxing two equivalents of the ligand with one equivalent of cobalt (II) acetate tetrahydrate in …
Published in International Journal of Analytical and Applied Chemistry · Vol. 12, Issue 2, 2026 · pp. 1–7 Read article
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Phase-Change Material Integrated Semiconductor Circuits for In-Memory Analog Computing Applications
Abstract: The continuous demand for high-speed, energy-efficient computing has intensified the exploration of in- memory analog computing (IMAC) architectures, which aim to minimize the latency and power overhead associated with conventional von Neumann architectures. This research investigates the integration of phase- change materials (PCMs) with semiconductor circuits to realize programmable, non-volatile in-memory analog computing platforms. PCMs exhibit reversible resistance switching between amorphous and crystalline states, enabling precise analog weight storage directly …
Published in International Journal of Analog Integrated Circuits · Vol. 12, Issue 1, 2026 · pp. 32–42 Read article