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89 results for “System evolution”
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Research ArticleOpen accessIn the abstractTesting the Interfaces for Mechatronic SystemsLiviu Mihai Sima, Miron ZapciuThe evolution of mechatronic systems had a large impact in recent years. When comparing them in terms of their mechanical, electrical and electronic components with their older variants, responds to a more elevated level of commands and requirements. Their testing has become more complicated and hybrid methods are often used. Hardware and software interfaces are used for this software. Hardware … …Journal of Mechatronics and Robotics, Vol. 6, Issue 1 · 11 Apr 2022 · 6,057 accessesView PDFCite
Research ArticleOpen accessIn the abstractTesticular Development in Holstein, F1 Crossbred Holstein-Gyr, Gyr, and Nellore Bulls During Puberty and Sexual Maturity in Tropical ConditionsGustavo Eduardo Freneau, Jose Domingos Guimaraes, Vicente Ribeiro Vale Filho, Arnhold EmmanuelContext: Puberty and sexual maturity are very important economic aspects in the beef industry and bull production. The aim of this study was to characterize and determine the sexual development of Bos taurus, Bos indicus, and F1 crossbreeds of these two subspecies of bulls and their testicular growth and shape. We observed the evolution of testicular development characteristics and seminal … …American Journal of Animal and Veterinary Sciences, Vol. 21, Issue 2 · 9 Jul 2026 · 1,204 accessesView PDFCite
Research ArticleOpen accessIn the abstractPedagogical Resources Indexation Based on Ontology in Intelligent Recommendation System for Contents Production in d-Learning EnvironmentBrahim Faqihi, Najima Daoudi, Imane Hilal, Rachida AjhounWe witness, today, a strong evolution of learning environments. In parallel, a problem has emerged, consisting in how to capitalize the production of resources when switching from one environment to another. The heterogeneity of the environments, the evolution of the platforms and the will to reuse the educational resources already produced pushed us to design an intelligent system based on … …Journal of Computer Science, Vol. 16, Issue 7 · 19 Aug 2020 · 6,711 accessesView PDFCite
Review ArticleOpen accessIn the abstractChandrayaan-2: India’s Second Lunar Exploration MissionSantosh KosambeThe Moon has always been the center of attention for mankind, more than any other heavenly body in the night sky. With the early history of the solar system etched on it, the Moon challenges mankind from time immemorial to discover its secrets and admire its marvels. Understanding the Moon will provide us a pathway to unravel the early evolution … …Journal of Aircraft and Spacecraft Technology, Vol. 3, Issue 1 · 2 Nov 2019 · 9,545 accessesView PDFCite
Review ArticleOpen accessIn the abstractAbout the Cyanobacteria and StromatolitesFlorian Ion Tiberiu Petrescu, Liviu Marian UngureanuStromatolites are layered biochemical accretionary structures formed in shallow water by the trapping, binding and cementation of sedimentary grains in biofilms (specifically microbial mats), especially cyanobacteria. Stromatolites occur widely in the fossil record of the Precambrian but are rare today. Life on Earth was born at least 3.7 billion years ago, but since then the number of living things has … …OnLine Journal of Biological Sciences, Vol. 22, Issue 1 · 17 Feb 2022 · 8,236 accessesView PDFCite
Review ArticleOpen accessIn the abstractThe Triple Immune Argument; Surveillance/Evasion/ Senescence and the Increased Incidence of Acute Myeloid Leukemia Observed with AgeManar M. IsmailAML originates from genetic insults of hematopoietic stem and progenitor cells (HSPCs/HSCs) that was identified earlier as leukemia stem cells (LSCs). In quiescent state, trafficking immune cells are crucial for eradication of aberrant clones and obtaining balance between proliferation and apoptosis to maintain HSCs pool. Regulatory T-cells shield the HSCs from the inflammatory reactions by suppressing T- and B- cells. … …American Journal of Immunology, Vol. 13, Issue 4 · 22 Dec 2017 · 7,807 accessesView PDFCite
Research ArticleOpen accessIn the abstractComparative Study of Packet Scheduling Algorithm in LTE NetworkAlaa Omer Najim, Nor Asilah Wati Abdul Hamid, Zurina Mohd Hanapi, Idawaty AhmadAt present, Long-Term Evolution (LTE) is the most popular Internet access technology because of its robust wireless connectivity that can support data, voice, video and messaging traffic. This advantage has significantly increased the number of users availing themselves of these services through various devices. Such an increase in the number of users has also increased network traffic. Thus, scheduling algorithms … …Journal of Computer Science, Vol. 13, Issue 12 · 20 Dec 2017 · 7,830 accessesView PDFCite
EditorialOpen accessIn the abstractFocalize the Structure of Myd88 in TLR Signaling Pathway to Modulate Innate Immune Response: New Target for Old DiseasesShuai Xing, Ping ZhouAll diseases have their Achilles’ Heel to target and this is especially true for immunorelated diseases which must be treated by targeting the immune system somewhere and somehow correctly. In the most recent decade, immunologists recognized that the Toll-Like Receptor (TLR) signaling pathway in innate immune system plays a double-edged role in the pathogenesis of many notorious diseases. Although the … …American Journal of Immunology, Vol. 13, Issue 3 · 6 Sep 2017 · 7,865 accessesView PDFCite
Research ArticleOpen accessIn the abstractPerformance Evaluation of UE Location Techniques in LTE NetworksYahia Zakaria, Lubomir IvanekThe goal of this research is to evaluate the location accuracy of User Equipment (UE) in Long Term Evolution (LTE) networks which depends on the timing advance parameters. The ability to locate the subscribers through the network is considered as a significant factor in wireless communication systems. The main method to geolocation based on specified distances from many base stations … …American Journal of Applied Sciences, Vol. 14, Issue 1 · 5 Jan 2017 · 8,032 accessesView PDFCite
Research ArticleOpen accessIn the abstractFabrication of Ni, Si and Mg Supersaturated Solid Solutions in Al by Mechanical AlloyingA. Sedano, A. Molina, S.A. Serna et al.In this work, a comparison between the synthesis process of nanostructured Al base alloys modified with Si, Ni and Mg and the formation of their respective supersaturated solid solution is presented. The samples were obtained via Mechanical Alloying (MA) at a speed of 300 RPM for 2, 5, 10, 20 and 30 h under an inert Ar atmosphere. Lattice parameter … …American Journal of Engineering and Applied Sciences, Vol. 13, Issue 1 · 23 Feb 2020 · 7,267 accessesView PDFCite