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79 articles for “control medium”
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Review ArticleOpen accessIn the abstractBritish Airways is Ordering up to 42 Boeing 777-9s Aeronaves to Modernize the UK Flag Carriers Long-Haul FleetRelly Victoria Virgil PetrescuThe Boeing 777 (sometimes referred to as Triple 7) is a large-capacity subsonic long-haul bomber aircraft built by the American company Boeing. This type of aircraft holds the current record of autonomy for commercial jets (17,450 km without food). Other special features of the aircraft include the perfect circular fuselage, a set of six wheels on each axle of the … …Journal of Aircraft and Spacecraft Technology, Vol. 4, Issue 1 · 19 Feb 2020 · 7,463 accessesView PDFCite
Review ArticleOpen accessIn the abstractSocio-Demographic Depletion Due to COVID-19 Impact and Government Intervention: A Review in BangladeshMahmuda Khatun, Mashrat Jahan, Sumaya Siddika Kanta, Joyosre Rani DasCOVID-19 known as coronavirus disease, has been dominating the headlines all over the world since about a year ago which is now almost under control. The World Health Organization (WHO) has labeled it a pandemic. Bangladesh is struggling with this virus with its scarce resources. Nearly two million people have been reported as confirmed cases of coronavirus disease in 185 … …American Journal of Infectious Diseases, Vol. 19, Issue 1 · 3 Mar 2023 · 6,365 accessesView PDFCite
Research ArticleOpen accessIn the abstractMetabolite Profiles of Arsenic Tolerant Plants Regenerated from Stem Calli of Andrographis paniculata (Burm.f.) Nees using HPLC and 1D 1H NMRJ. Vijayakumar, P. Ponmanickam, P. Samuel et al.In vitro culture provide a suitable condition for regeneration of arsenic tolerant plants from stem calli of Andrographis paniculata (Burm.f.) Nees. The regenerated plants could be valuable material applicable to soil remediation. In vitro culture of stem explants on MS basal salts, 3.0% sucrose, 0.8% agar medium fortified with various concentrations of As2O3 (0.0-9.0 µM) along with NAA (3.5 mg … …American Journal of Biochemistry and Biotechnology, Vol. 13, Issue 4 · 27 Oct 2017 · 7,865 accessesView PDFCite
Research ArticleOpen accessIn the abstractThe use of Expected Utility Theory (EUT) in Taxpayers' Behaviour ModellingFarid Ameur, Mohamed TkiouatIn this study, we analyze taxpayers' behaviour regarding tax system. We present a theoretical study of a model pre established by other authors based on the expected utility theory; taxpayer's behavior is assumed to be risk-averse. We have released some conditions of this model and we have introduced a new parameter reflecting the efficiency of tax control; we found that … …American Journal of Applied Sciences, Vol. 14, Issue 2 · 5 Feb 2017 · 7,522 accessesView PDFCite
Research ArticleOpen accessIn the abstractChlorophyll and Protein Changes Observed Post Co-Cultivation of Explants with Agrobacterium Tumefaciens in Soybean (Glycine max L. Merr.)Phetole MangenaAlthough, Agrobacterium-mediated genetic transformation represents a major milestone in agricultural biotechnology for crop improvement against biotic and abiotic stresses. Further insights on the interactions between this bacterium and explants required for in vitro plant regeneration remain scant. This study investigated the changes in chlorophyll content and protein profiles of cotyledonary node explants co-cultivated with A. tumefaciens in soybean. Soybean seeds … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 4 · 7 Dec 2022 · 5,046 accessesView PDFCite
Research ArticleOpen accessIn the abstractA Fast-and-Fair Collision Resolution Protocol Tailored for Ad Hoc Wireless NetworksMarcos F. Caetano, Lucas M. Guimaraes, Jacir L. BordimWireless technologies have permeated a significant number of devices over the years. On the other hand, Medium Access Control (MAC) protocols strive to deal with an increasing number of contending nodes on crowded frequency bands. This work presents an efficient medium access control resolution protocol. The proposed protocol, termed Collision Resolution Protocol (CRP), uses pulse/tone signaling that works in both … …Journal of Computer Science, Vol. 12, Issue 8 · 1 Nov 2016 · 7,140 accessesView PDFCite
Research ArticleOpen accessIn the abstractVARIABILITY IN THE LIGNINOLYTIC ENZYMES ACTIVITY BY LENTINULA EDODES IN SUBMERGED CULTURE WITH LIGNIN AND GLUCOSECitlalli Harris-Valle, Elisa Valenzuela-Soto, Alfonso Sánchez et al.The white-rot basidiomycete Lentinula edodes is the second most edible mushroom cultivated on the world. This fungus decomposes cell-wall associated macromolecules, is a natural degrader of lignin polymers. The differences in enzyme activities between strains of L. edodes provided useful information about the participation of enzymes in different development stages of the fungus. The effect of lignin on the fungal … …American Journal of Agricultural and Biological Sciences, Vol. 9, Issue 3 · 28 Apr 2014 · 7,845 accessesView PDFCite
Research ArticleOpen accessIn the abstractBioremediation of Petroleum Hydrocarbon-Polluted Mangrove Swamps Using Nutrient Formula Produced From Water Hyacint (Eicchornia crassipes)Frank Anayo Orji, Abiye Anthony Ibiene, Phillip O. OkerentugbaLaboratory-scale studies were carried out using a nutrient formula produced from Eicchornia crassipes plant to achieve bioremediation of crude oil impacted mangrove soil. In a 70 day study, the culturable heterotrophic bacterial population of the Eichhornia crassipes recipe increased from 6.26×105 Cfu/g to 2.69×107 Cfu/g. The control set-up had its total culturable bacterial count increased from 5.76×105 Cfu/g to 1.24×106 … …American Journal of Environmental Sciences, Vol. 9, Issue 4 · 28 Aug 2013 · 7,643 accessesView PDFCite
Research ArticleOpen accessIn the abstractExamination of Chitinolytic Bacteria in Alginate-Chitosan Encapsulation on Chili Seed Against Damping off Caused by Fusarium oxysporumDwi Suryanto, Affan Indarwan, Erman MunirOne alternative in biological control of plant pathogenic fungi is to provide biological agent inoculant in coated seed. This study was to evaluate potential control and viability of two chitinolytic bacteria, Enterobacter sp. BK15 and Bacillus sp. BK17 of alginate-chitosan encapsulation coated on chili seed against damping off caused by Fusarium oxysporum. Chili seed beads were stored at refrigerator and … …American Journal of Agricultural and Biological Sciences, Vol. 7, Issue 4 · 5 Dec 2012 · 7,913 accessesView PDFCite
Research ArticleOpen accessIn the abstractHistory Based Probabilistic Backoff AlgorithmNarendran Rajagopalan, C. MalaPerformance of Wireless LAN can be improved at each layer of the protocol stack with respect to energy efficiency. The Media Access Control layer is responsible for the key functions like access control and flow control. During contention, Backoff algorithm is used to gain access to the medium with minimum probability of collision. After studying different variations of back off … …American Journal of Engineering and Applied Sciences, Vol. 5, Issue 3 · 29 Aug 2012 · 7,662 accessesView PDFCite