JOURNAL OF SCIENCE AND ENGINEERING ELITES
Year:2023 | Volume:8 | Issue:5|Papers Count:10

The brain's functions hinge on millions of neurons' activities, tied to cognitive aspects like memory and perception. Studying brain performance via non-invasive technologies stands as a pivotal aspect of neuroscience. Analyzing brain waves during rest versus cognitive tasks offers practical insights for modeling research. Results indicate regions linked to cognition align with cognitive duties. Brain waves dynamically vary, revealing diverse responses to emotions in distinct brain regions.

Most agricultural products show different behavior in terms of resistance to pressure, dynamic and vibration forces. In order to extract the mechanical properties of pumpkin, including modulus of elasticity, poisons ratio, coefficient of friction, pressure, shear, penetration, stress release, and creep tests by the comprehensive stress tension device located in the biophysical properties laboratory of the Islamic Azad University, Shareza branch, in three sizes and three sample positions. Gri is done. The results showed that the creep test provided the most information for us compared to the stress release test. The properties of viscoelastic materials, including the elastic properties, were determined by the pressure test. The strain curves of the creep test showed that the sudden change in shape was very sharp with sudden and constant force actions, and after a period of constant change in shape (very small slope) and increased. The slope of this change depended on the dynamic nature. The change in shape was not sudden, but after a period of time, the change in shape was stable (low slope) and decreased. The results of the analysis of variance of the data obtained from the test showed that there was a significant difference between the types of pumpkins due to the mutual effect of pumpkins and speed, so that large pumpkins were more effective than small and medium pumpkins. It was on the grandstands.

Electronic warfare (EW) is one of the most important features of modern battles. This area can significantly affect the way military forces use the electromagnetic spectrum to identify targets or provide information. Recent developments in the field of artificial intelligence (AI) show that this emerging technology will have a definite and potentially transformative impact on the military power of any country. Algorithms based on artificial intelligence can play a very effective role in various fields of EW, such as: processing radar signals in order to identify and classify types of transmitters, detecting the type of jamming operation and its characteristics, and such development of effective anti-disruption algorithms. Artificial intelligence techniques can also enable various types of EW systems to work independently and self-sufficiently. Our focus in this article is on describing the basic aspects of EW and its related components, various elements and technologies related to the current generation of EW systems, the application of artificial intelligence in electronic warfare systems and equipment, especially in the field (EA) as an auxiliary element to make decisions and perform a correct and effective reaction against radar systems and equipment in the battle scene and evolving EW scenarios for military forces (currently or future plans) Is. The two main ECM techniques include active ECM and passive ECM.

Oil extraction from oil reservoirs is a complex process that plays a crucial role in global energy supply. Given the importance of oil extraction and the need to improve the performance of this process, the use of plant-based catalysts as a novel approach can provide advantages. In this article, we focus on the production of plant-based catalysts to improve the performance of oil extraction processes and present a case study in oil reservoirs. First, we introduce plant-based catalysts and their characteristics. Plant-based catalysts, as natural and sustainable sources, can replace fossil mineral resources and have advantages such as recyclability, reduced environmental pollution, and high efficiency. Next, we examine the methods of producing plant-based catalysts. Processes for extracting and isolating active compounds from plants, preparing catalytic nanoparticles, and using advanced technologies such as green synthesis and biotechnology in the production of plant-based catalysts are discussed. Furthermore, we investigate the effects of using plant-based catalysts in oil extraction processes. These catalysts can significantly improve oil extraction efficiency and performance, reduce material and energy losses, decrease environmental pollution, and enhance process stability. Finally, we present a case study in oil reservoirs. In this study, the effect of using plant-based catalysts in oil extraction processes in a specific oil reservoir is examined, and the results demonstrate improvements in the efficiency and performance of oil reservoirs. In this study, the use of methods for producing plant-based catalysts has improved the efficiency and performance of oil extraction in the oil reservoir. Additionally, the impact of using plant-based catalysts on reducing environmental pollution and improving process stability in oil extraction is also investigated. Based on the results of this study, the use of plant-based catalysts in oil extraction processes can be used as a novel and sustainable approach to improve the performance of this process. This method can lead to reduced material and energy losses, decreased environmental pollution, increased oil extraction efficiency and performance, and enhanced process stability.

"Lightweight and integrated construction" can be considered a pivotal tactic to improve the earthquake resistance of buildings, on the large scale. "Elastic Composite, Reinforced Lightweight Concrete (ECRLC)", as a cement-based LFNLC ("Lightweight Flexible Nonlinear Composite"), can simply be used to broadly implement this practical policy. Lightness is important in saving energy and reducing the total cost of building construction. The lightweight panels made of ordinary reinforced ultra-lightweight concrete, like insulation concrete, are usually "brittle". The behavior, resilience and toughness of them in bending, shock and impact are not appropriate. By using ECRLC, "the modulus of elasticity and the toughness in bending can be increased" together with "reducing the density" as well as "the removal of the possibility of failing in a brittle, compressive mode". By applying this integrated structure, it is feasible to make flexible (resilient) ultra-lightweight concrete with more flexibility and performance. ECRLC can also be utilized in easily making "ultra-lightweight and insulation, Non-brittle reinforced sandwich panels" (relatively similar to the so-called "3D-panels"), with appropriate behavior in shock and impact. These panels can be cast-in-place or precast upon the case. In general, the items as follows are also considered in selecting any material and construction method: speed and ease of transportation and installation and low waste of materials,heat insulation,moisture insulation,being an obstacle to sound,resistance to fire,durability,the rates and amounts of any shrinkage and creep,any capability of self-healing,workability also including formability and the capabilities of cutting, sawing, abrading, repairing, nailing, holding screws, installing installations, and applying the coverings and paints,the amount of covers and coatings, like stucco or plaster, that can be adequate for finishing the surface,usable in-door space,etc. Using ECRLC, as a formable material, in making the "non-brittle ultra-lightweight panels", which are used as non-load-bearing interior and exterior walls, is "a very simple and practical application of ECRLC". Likewise, ECRLC can simply be utilized to make flat and curved roofs & decks and dome-shaped buildings too. (Such simple usages of ECRLC can be done within within the relevant standards and common regulations. )