Ephraim Suhir, Portland State University, United States
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Materials that can charge their color on-demand have been used in a wide range of applications. While most uses rely on the acuity of the materials in the visible region, the invisible changes occurring in the NIR offer environmental benefits. This is the case when the color chan [....] » Read More
The Lorentz transformation (LT) makes three predictions which are not consistent with one another: Lorentz-FitzGerald length contraction (FLC), time dilation (TD) and light-speed equality for observers in relative motion to one another. The LT also stands in violation of the Law [....] » Read More
Quantum dots (QDs) are fundamental luminescent materials with wide applications in biotechnology, sensing, medical diagnostics and electronics. The luminescent QDs, including CoS and FeS QDs with emission tunable in a broad range, have been obtained in experiments recently. In my [....] » Read More
To meet the speed, complexity, circuit density, power consumption, and ultimately cost requirements of many advanced applications, scientists have spent decades shrinking device feature sizes for better performance of metal-oxide semiconductor (MOS) technology. However, there are [....] » Read More
The civil and environmental engineering industry includes multiple designs and structures. These originate from a semi or axisymmetric origin. There are various structures, including the main types of urban dwellings, such as semidetach, detach, terrace and duplex buildings. Thes [....] » Read More
Due to its special structural properties, the bulrush plant (Typha angustifolia) enables the production of building materials that offer a combination of insulation and load-bearing effect that is unique on the market. The suitability of the Typha leaf mass is determined by the s [....] » Read More
Resonant light scattering by nanoparticles provides a unique opportunity to concentrate a high-amplitude electromagnetic field in a subwavelength area of space as well as to tailor and control its pattern. In addition to purely academic interest, this is extremely important for n [....] » Read More
Film growth and surface/interface processes are crucial in many modern technologies, including Si-based microelectronics. We introduce two original approaches effective in film synthesis and investigations. The narrow band silicide Mg2Si attracts attention of researchers becau [....] » Read More
The integration of tunable materials in reconfigurable antennas has been instrumental since the inception of microwave/mmWave technology. These materials, including phase shifters, resonators, and antennas, play a crucial role in applications demanding radiofrequency (RF) signal [....] » Read More
Materials are important to mankind because of the benefits that can be derived from manipulation of their properties. All of these properties originate from the internal structures of the materials. Structural features of materials include their types of atoms, the local configur [....] » Read More
Shape memory alloys take place in a class of adaptive structural materials called smart materials by exhibiting a peculiar property called shape memory effect and superelasticity with the recoverability of two shapes at different conditions. Shape memory effect is initiated [....] » Read More
The discovery of a point on the liquid vapor curve where the liquid phase ends was determined experimentally by Charles Cagniard de la Tour in 1822. In 1861, Thomas Andrews defined this point as the critical point and the critical parameters such as temperature, pressure and dens [....] » Read More
The discovery of a point on the liquid vapor curve where the liquid phase ends was determined experimentally by Charles Cagniard de la Tour in 1822. In 1861, Thomas Andrews defined this point as the critical point and the critical parameters such as temperature, pressure and dens [....] » Read More
The exponential growth in population and an overall improvement in living standards have contributed to a significant surge in the production of textile items globally over the past few decades. This study addresses the escalating environmental challenges posed by the exponential [....] » Read More
According to einstein's mass enrgy velocity of light equation, energy released from annihilation of particle-antiparticle through their collision will depend on the mass of the particle. So by choosing an atomic particle and colliding it with it's antiparticle will releas [....] » Read More
A large number of scientists and researchers are paying their devotion in the development of gas sensors for the detection of toxic, hazardous, combustible and inflammable gases. Yet, few sensors are lagging behind in the wide range of their applicability due to some persistence [....] » Read More
Multifunctional materials are of today’s quest. Miniaturization, i.e. development of these materials in the form of nanomaterials is of primary need considering their application in devices. Moreover, if these are obtained in nanostructured form, they can bring wonders. Re [....] » Read More
Short The disposal of dyeing effluents is an alarming environmental concern; thus, these effluents must be appropri ately remediated prior to getting discharged. Herein, citric acid was employed to modify the surface of the Argan shell, which was subsequently utilized as a biosor [....] » Read More
The current paper aims to study the behavior of Polyamide 6 (PA6) and Polyamide 6 reinforced with 30% of short glass fibers (PA6GF30) under glycol water (GW) mixture (20:80) used for cars as coolant fluid at 50°C and 90°C for up to 80 days. First of all, the reversibility [....] » Read More
The past experience from real fires shows that it is exceptional for a concrete building to collapse as a result of fire and most fire-damaged concrete structures can be repaired economically rather than completely replacing or demolishing them. In this connection an experimental [....] » Read More
The cast Al-Li alloy is a promising material due to its high strength-to-weight ratio and stiffness. This presentation systematically revealed the impact of minor Ti addition and heat treatment on grain structure, precipitates, precipitate-free zone (PFZ), and the performance of [....] » Read More
In recent years, the construction sector has been developing efficient materials and technologies to support the real implementation of nearly zero-energy/emission and plus-energy buildings with high indoor environment quality. This last aspect is particularly important on health [....] » Read More
Even 0.02% water in acetonitrile can form clusters, the size and chemical reactivity of which can change under the influence of the Sun in a very wide range. Bulk water added to such acetonitrile can copy and reproduce these original clusters and acquire different hydrolytic acti [....] » Read More
The contact between waters and the components of a mine site like open-pit walls, waste rock piles, tailings, access roads, etc., engender effluents contaminated through minerals oxidative dissolution. According to their pH, mine effluents are mainly classified in acidic (acid mi [....] » Read More
A considerable portion of the global pavement infrastructure relies on asphalt as the primary construction material. However, projections indicate that asphalt reserves may only last for around 50 years. While Portland Cement Concrete has been considered as an alternative, it com [....] » Read More
Title : Introducing picotechnology: An exciting extension of nanotechnology
Thomas J Webster, Interstellar Therapeutics, United States
Nanotechnology, or the control of matter at the atomic scale, has changed material science as we know it. Nanotechnology was once thought of as science fiction when over 23 years ago, the U.S. National Nanotechnology Initiative was announced by President Clinton. Since then nanot [....] » Read More
Title : Mesoporous functionalized hybrid organic-inorganic materials for adsorption of nitrates
Aleksey Vasiliev, East Tennessee State University, United States
The presented report addresses the critical environmental issue of elevated nitrate levels in water bodies, primarily due to excessive use of nitrogenous fertilizers and improper waste disposal. It leads to detrimental effects like eutrophication and health hazards. Focusing on t [....] » Read More
Title : Influence of Si on crystal structures, mechanical properties, and thermal stability of high-entropy carbide system (HfC, TaC, TiC, VC, ZrC)/(Hf, Ta, Ti, V, Zr)C
Muhammad Awais Altaf, E308 Institute of materials science and technology, Austria
High-entropy carbide (HfC, TaC, TiC, VC, ZrC)/(Hf, Ta, Ti, V, Zr)C thin films with Si addition were developed at 450 oC by magnetron sputtering. XRD results showed that all coatings have single phase face-centered cubic (fcc) structure (Fm-3m, space group number 225). With the ad [....] » Read More
Title : Experimental investigation of impact behavior of composite eco-structure
John Prakash Susainathan, University of Carlos III of Madrid, Spain
The sandwich structures are indeed lightweight composite structures that have been widely used in numerous sectors: automotive, aerospace, and naval and energy due to its high specific properties. However, these structures are vulnerable to impacts which may result significant da [....] » Read More
Title : A deep dive into p-i-n rudorffite solar cell architectures for optimizing solar energy conversion
Md Arif Ul Islam, Nagoya Institute of Technology, Japan
A lead-free and efficient solar cell is essential to the rapidly evolving field of photovoltaic research. Silver bismuth iodine compounds, which are nontoxic and environmentally stable, are considered promising photovoltaic candidates, due to their low cost and high photoelectric [....] » Read More
Title : A study on the polymer solidification for disposal of powdered radioactive wastes
Sang Hyun Lim, Chosun University, Korea, Republic of
The roll compaction technology can be used to reduce the physical volume of the powdered wastes. And polymer solidification process can be used to manufacture polymer-solidified body incorporated with high-density pellets. Powdered wastes were converted to rigid pellets of certai [....] » Read More
Title : Electrochemical analysis comparison of nitrogen undoped and doped Ti3C2Tx/Co3O4 hybrid composites on carbon cloth for application as electrode in supercapacitor
Adnan Ali, Jeju National University, Korea, Republic of
Supercapacitor provides great potential for good energy storage devices application, compared with other energy storage such as rechargeable batteries, fuel cell, dielectric capacitors and so on. Freestanding and flexible electrodes are vital for the development of flexible and w [....] » Read More
Title : Synthesis, single crystal X-ray structure, spectroscopy and substitution behavior of niobium(V) complexes activated by chloranilate as bidentate ligand
Alebel Nibret, Hunan University, China
Chloranilic acid (2,5-dichloro-3,6-dihydroxy-1,4-benzoquinone, caH2) as a bidentate ligand for Nb(V) as a metal center is presented. The different coordination behavior of caH2 is well illustrated by a monomeric (Et4N)cis-[NbO(ca)2(H2O)OPPh3]·3H2O.THF (5), and a novel tetr [....] » Read More
Title : Procedure for making flat thermoplastic composite laminates by automated fiber placement and their mechanical properties
Sara Srebrenkoksa, Goce Delcev University, Stip, North Macedonia
Highly consistent quality and cost-effective manufacture of advanced composites can be achieved through automation. Automated Tape Laying (ATL) and Automated Fiber Placement (AFP) are the two technologies used to automate the layup of prepreg, which are applicable to produce comp [....] » Read More
Title : Hydrometallurgical recovery of copper and gold from waste Printed circuit boards
Kamalesh Kumar Singh, Indian Institute of Technology (BHU) Varanasi, India
Due to increasing trends of electronic waste specially the ICT related gadgets, their green recycling is still a greater challenge. This article presents a two-stage, eco-friendly hydrometallurgical route for the recovery of gold from the delaminated metallic layers of waste mobi [....] » Read More
Title : Environmental condition of industrial enterprises, design of water supply systems and recovery of solid waste
Gulmira Keldiyarova, Samarkand State University, Uzbekistan
This article provides time standards and calculation methods for the purpose of studying air pollution from industrial facilities. Calculations of technological equipment and the efficiency of the dust and gas treatment plant. The results of inventory, regulation of emissions of [....] » Read More
Title : Structure-phase transformations in LiF crystals Initiated by nuclear reactions
Buzrikov Shovkat, Institute of Nuclear Physics, Uzbekistan
Lithium compounds are studied due to the reaction of thermal neutron capture (_3^6)Li(n,?)(_1^3)H. Irradiation of LiF crystals in the reactor core is known to generate dislocations, defect clusters in (100) plane, Li colloids and cavities at nanoscale. The only example of using t [....] » Read More
Title : Household natural gas demand: Empirical evidence of non-linearity
Mohamed Jaouad Malzi, Cad Ayyad University, Morocco
This study attempted to check the existence of nonlinear relationship between gas demand and its main determinants. To this end, the study applies nonparametric and semi-parametric panel data model on a large panel of OECD countries over the period 1980-2015. The analysis demonst [....] » Read More
Title : Sensing mechanism elucidation and performance optimization of perovskite-based gas sensors for ammonia gas detection
Kassa Endalamaw Ewnu, Ming Chi University of Technology, Taiwan
Understanding the sensing mechanism is crucial for optimizing perovskite-based sensors, such as MAPbI3. Despite stability challenges, our study reveals a consistent increase in current during varying concentrations of ammonia. The interaction involves the reduction of MA+ to MA a [....] » Read More
Title : Preliminary study on the microstructure evolution and deformation behavior of Ti6Al4V-5Cu alloy at low forming temperatures.
Solomon Kerealme Yeshanew, Dire Dawa University Institute of Technology, Ethiopia
The cold workability behavior of the Ti6Al4V-5Cu alloy was investigated using a hot compression experiment in the temperature range of 450−650 °C and strain rates interval of 10-4 −10-1 s -1 with strains of 0.4 and 0.6. Deformation mechanisms and microstructural e [....] » Read More
Title : A comparative analysis of structural, optical, excitonic and electronic properties of new long chain alkyl bismuth Iodide perovskite materials.
Sumera Siddique, Lahore university of management sciences, Pakistan
Lead-free metal halide perovskites prove to be outstanding materials for light harvesting due to their excellent optoelectronic properties and lower-temperature processability. The search for lead-free perovskites is expensive, and several metal cations are under investigation; a [....] » Read More
Title : Biofunctional coating of stainless steel surfaces with carvacrol- and eugenol-derived film using dielectric barrier discharge plasma: Aiming for suppression of biofilm formation and corrosion protection
Tsegaye Gashaw Getnet, Bahir Dar University, United States
Metallic biomaterials are extensively utilized in orthopedic and dental implants owing to their exceptional mechanical properties. However, careful consideration is essential when selecting materials for implant medical devices to ensure optimal performance in the biological envi [....] » Read More
Title : Preparation and application of organic phase change materials
Jifen Wang, Shanghai Polytechnic University, China
Energy is the basis of human survival and development, with the rapid development of global industry, energy issues are more and more concerned by people. However, in many energy utilization systems, there is a difference in time and space between energy supply and demand, that i [....] » Read More
Title : Synthetic and industrial jarosites and their application in tissue engineering
Eleazar Salinas Rodriguez, Autonomous University of the State of Hidalgo, Mexico
Jarosite formation is due to the weathering of sulphide ores that in many cases contain precious metals like silver and gold, being these compounds a source of such metals. Frequently, this formation process occurs in acid-sulphate soils where acidic environments are present. The [....] » Read More
Title : How Innovation consortia promote Iterative Innovation in new energy vehicle enterprises? --An empirical study based on knowledge management perspective
Yang Hongtao, Huaqiao University, China
Iterative innovation based on changes in user needs is a key factor in the success or failure of new energy vehicle enterprises. As a new type of innovation cooperation organization with extensive participation of innovation subjects, innovation consortium can provide assistance [....] » Read More
Title : Significant enhancement of energy storage in gradient-structured composites
Haiping Xu, Shanghai Polytechnic University, China
Polymer-based dielectric composites with high power density and ultra-high energy density have become a research hotspot in response to growing environmental challenges due to their potential renewable energy storage and conversion capabilities. Lately, researchers have worked to [....] » Read More
Title : Exploring heterogeneity in the properties of monolayer LDPE greenhouse films under natural ageing
Babaghayou Meriam Imane, Higher Normal School of Laghouat, Algeria
This study investigates the dynamic interplay between chemical structural changes and mechanical alterations in stabilized and unstabilized LDPE films during the photodegradation process. By employing RAMAN spectroscopy and Depth Sensing Indentation (DSI) experiments, we delve [....] » Read More
Title : Synthesis and characterization of cellulose based bioplastic
Ene Awodi , Durban University of Technology, South Africa
The packaging industry contributes significantly to plastic waste A consequential percentage of packaging materials are made from fossil-fuel-based plastics. The end-of-life cycle scenario of these plastics is detrimental to the planet and all that is contained in it. Recen [....] » Read More
Title : Emerging bismuth-based materials: From fundamentals to energy applications
Ayat El Shazly, Central Metallurgical Research and Development Institute, Egypt
In practical applications, supercapacitors, renewable and efficient techniques of energy storage and conversion, are commonly assembled into supercapacitor, which has been attracting growing interest in energy applications for the past decade. To achieve this decisive task, it is [....] » Read More
Title : Improving the fatigue design of mechanical systems such as refrigerator
Seongwoo Woo, Ethiopian Technical University, Ethiopia
To enhance the lifetime of mechanical system such as automobile, new reliability methodology – parametric Accelerated Life Testing (ALT) – suggests to produce the reliability quantitative (RQ) specifications-mission cycle—for identifying the design defects and m [....] » Read More
Title : Nanotechnology and T-ray imaging for enabling a smarter AI and LLMs for medical diagnostics and other applications
Anis Rahman, Applied Research & Photonics, Inc, United States
Artificial intelligence (AI) or digital intelligence has spared a wave in modern computing community for its interactive applications. However, AI is not capable of creating new knowledge or new concepts; it only finds results from what is already known, but its ability for massi [....] » Read More
Title : Exploring the influence of metal vacancies on the structural, mechanical, and thermal characteristics of high entropy carbides (HECs) using computational modeling
Mina Lim, Gordon College, United States
High Entropy Carbides (HECs) have proven to be useful materials, with a variety of unique properties such as increased hardness, modulus, and oxidation resistance. This is significant when compared to their predecessors, binary carbides, which exhibit comparable traits but to a l [....] » Read More
Title : Chitin membranes and 2D material integration: A NMR study approach
Anjana Aravind, Tu Dresden, Germany
The study's primary focus lies in the conversion of raw chitin into functional chitin membranes, explored through Nuclear Magnetic Resonance (NMR) techniques. Chitin is a versatile biopolymer sourced from crustaceans and has the potential for e.g., advanced energy storage app [....] » Read More
Title : Comparative study of the domain wall pinning in cobalt micropowders and nanowires by the two nuclear magnetic resonance methods
Tsisana Gavasheli, Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia
Two alternative NMR methods under the influence of an additional magnetic video-pulse for the measuring of the pinning (fixation) force of domain walls in one-dimensional nanostructures, such as cobalt nanowires, were proposed and investigated. All necessary detailed information [....] » Read More
Title : Fiber reinforced polymer as an external reinforcement for reinforced concrete beams - An experimental investigation
Abdelhak Aouadi, University of Bouira, Algeria
A research investigation was conducted utilizing an experimental program to analyze the behavior of RC beams by incorporating fiber reinforced polymers. The primary focus of the study revolved around two categories of beams: control beams and beams reinforced by fiber reinf [....] » Read More