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Research ArticleOpen accessIn the author namesDesign and Analysis of a Lunar Lander's Landing SystemAnurag Talekar, Ajinkya Dabholkar, Ajinkya Thombe et al.In the overall design and performance prediction of spacecraft intended to accomplish delicate landing on the moon, touchdown dynamics analysis during the landing phase is one of the most important task. Missions in the past have experienced toppling of the lander due to the surface on the lunar body being covered with dead volcanoes and impact craters that restrict the … …Journal of Aircraft and Spacecraft Technology, Vol. 5, Issue 1 · 28 Jun 2021 · 9,978 accessesView PDFCite
Research ArticleOpen accessIn the author namesDevelopment of Production Technology for Meat Products using β CaroteneAinur Matibayeva, Bagila Jetpisbayeva, Mira Serikkyzy et al.In this article, the possibility of using pumpkin in the production of meat products is investigated and justified. In order to improve the functional and technological properties of sausage, the recipe and production technology of cooked sausage using a natural source of beta carotene have been developed. Physical-chemical, functional-technological and organoleptic properties of the finished product were studied. The results … …OnLine Journal of Biological Sciences, Vol. 20, Issue 4 · 28 Dec 2020 · 6,474 accessesView PDFCite
Research ArticleOpen accessIn the author namesCompaction Properties of Silty Soils in Relation to Soil Texture, Moisture Content and Organic MatterPrathuang Usaborisut, Jettapol AmpanmaneeSoil compaction is recognized as an increasingly challenging problem with regard to root growth and yield reduction in agricultural production in Thailand. The aim of this research was to study the effect of soil texture, moisture content and organic matter on the compaction properties of silty soils. Three soils with different silt contents were studied-loam, silty clay loam and silt … …American Journal of Agricultural and Biological Sciences, Vol. 10, Issue 4 · 31 Dec 2015 · 9,545 accessesView PDFCite
Research ArticleOpen accessIn the author namesSupercritical CO2 Extraction of Heavy Metals Cu, Zn and Cd from Aqueous Solution using D ithizone as Chelating AgentJeton Halili, Altin Mele, Tahir Arbneshi, Ilir MazrekuMetal ions in liquid samples can be extracted by supercritical CO2, containing a suitable ligand. This paper presents the first experimental data for the extraction of three heavy metals Cu, Zn and Cd from aqueous samples in the presence of Dithizone as chelating agent. Extractions by supercritical CO2 have been performed at 120 bars with 50°C used dynamic technique. After … …American Journal of Applied Sciences, Vol. 12, Issue 4 · 22 Jun 2015 · 7,312 accessesView PDFCite
Research ArticleOpen accessIn the author namesThe Effect of the Attacks of 9/11 on Organizational Policies, Employee Attitudes and Workers' Psychological StatesAmy E. Hurley-Hanson, Cristina M. Giannantonio, Heidi Carlos et al.Problem statement: The attacks of September 11, 2001 (9/11) on the United States have had a profound effect on organizations and their employees. These effects occurred in the days and weeks immediately following the attacks, as well as in the years since the attacks occurred. In commemoration of the tenth anniversary of 9/11, this study focuses on the impact that … …American Journal of Economics and Business Administration, Vol. 3, Issue 2 · 27 May 2011 · 8,285 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioethanol Production from Graminoid Weeds in Bayero University Kano: A Potential Feedstock for Future Sustainable Aviation Fuel ApplicationsAdam Salihu Kila, Sa’idu Hassan Musa, Umar Aliyu Ahmed et al.This study evaluates the potential of selected graminoid weeds from Bayero University, Kano (BUK), Nigeria, as feedstock for bioethanol production. Ten (10) abundant weed species, including Cenchrus species, Cynodon dactylon, and Setaria barbata, were subjected to physicochemical pretreatment (ultrasonication, hydrothermal treatment, and enzymatic hydrolysis) followed by fermentation using Bacillus subtilis, Saccharomyces cerevisiae, and their co-culture. Pretreatment significantly enhanced reducing sugar … …Energy Research Journal, Vol. 15, Issue 1 · 15 Jul 2026 · 1,181 accessesView PDFCite
Review ArticleOpen accessIn the abstractAbout Supersonic Flight and Mach 3 FlyingRelly Victoria Virgil PetrescuAerospace-BAC Concorde was a supersonic passenger aircraft. It was the result of a government treaty between the French and British governments, combining the efforts of Aerospace and British Aircraft Corporation. With only 20 aircraft built in total, the cost of the development phase was a major economic failure. In addition, Air France and British Airways were subsidized by the government … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 3 · 28 Aug 2020 · 8,934 accessesView PDFCite
Review ArticleOpen accessIn the abstractTime FactoryRelly Victoria Virgil PetrescuHave you asked yourself how you will look over 15 years? At the Bosch factory in Jucu, we saw a time machine that can help you to travel for 15 years in the future. And the technologies used seem to have come from the reality of the next decades. This "time machine" is, in fact, part of Bosch's Engineering, Quality … …Journal of Mechatronics and Robotics, Vol. 3, Issue 1 · 27 Apr 2019 · 6,611 accessesView PDFCite
Review ArticleOpen accessIn the abstractAbout Boeing X-32Relly Victoria Virgil PetrescuThe Boeing X-32 is a demonstration jet designed for the Joint Strike Fighter contest. He lost the Lockheed Martin X-35 demonstrator, which was further developed in the Lockheed Martin F-35 Lightning II. Boeing's competitive advantage has been to provide considerably lower costs of production and lifecycle by minimizing variations between different versions of the JSF. Therefore, the X-32 was designed … …Journal of Aircraft and Spacecraft Technology, Vol. 3, Issue 1 · 1 Apr 2019 · 9,969 accessesView PDFCite
Review ArticleOpen accessIn the abstractMars Could have Enough Molecular Oxygen to Support LifeRelly Victoria Virgil PetrescuThere is a recently introduced study that proposes the idea of the possibility of salty water somewhere on the surface of the planet Mars or immediately near the surface but in the basement of the planet at a relatively small depth. The study illustrates the possibility of O2 oxygen dissolved in salt water, oxygen needed to support breathing oxygen, microbes … …Journal of Aircraft and Spacecraft Technology, Vol. 3, Issue 1 · 28 Feb 2019 · 7,736 accessesView PDFCite