1,396 research outputs found
Neochrysocharis conglomeratae Doganlar
No full textNeochrysocharis conglomeratae Doğanlar Material examined. None. Previous records from Egypt. Al Ameria (Alexandria) (Doğanlar & Elsayed 2013). Distribution. Egypt (Doğanlar & Elsayed 2013). Host records. In Egypt, it has been reported from Asphondylia conglemerata De Steffani (Diptera: Cecidomyiidae) on the Mediterranean saltbush, Atriplex halimus (Doğanlar & Elsayed 2013).Published as part of Gadallah, Neveen S., Yefremova, Zoya A., Yegorenkova, Ekaterina N., Soliman, Ahmed M., Abu El-Ghiet, Usama M. & Edmardash, Yusuf A., 2015, A review of the family Eulophidae (Hymenoptera: Chalcidoidea) of Egypt, with thirty three new records in Zootaxa 4058 (1), DOI: 10.11646/zootaxa.4058.1.3, http://zenodo.org/record/23657
Kolopterna aymani Doganlar
No full textKolopterna aymani Doğanlar Material examined. None. Previous records from Egypt. Al Ameria (Alexandria) (31 °01' 24 "N, 29 ° 49 ' 48 "E) (Doğanlar & Elsayed 2013). Distribution. Egypt (Doğanlar & Elsayed 2013). Host records. It has been reported as a parasite of Asphondylia conglomerate De Stefani (Diptera: Cecidomyiidae) on Atriplex halimus (Doğanlar & Elsayed 2013).Published as part of Gadallah, Neveen S., Yefremova, Zoya A., Yegorenkova, Ekaterina N., Soliman, Ahmed M., Abu El-Ghiet, Usama M. & Edmardash, Yusuf A., 2015, A review of the family Eulophidae (Hymenoptera: Chalcidoidea) of Egypt, with thirty three new records in Zootaxa 4058 (1), DOI: 10.11646/zootaxa.4058.1.3, http://zenodo.org/record/23657
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Self-interference Cancellation in Full-duplex Wireless Systems
No full textDue to the tremendous increase in wireless data traffic, one of the major challenges for future wireless systems is the utilization of the available spectrum to achieve better data rates over limited spectrum. Currently, systems operate in what is termed "Half Duplex Mode," where they are either transmitting or receiving, but never both using the same temporal and spectral resources. Full-duplex transmission promises to double the spectral efficiency where bidirectional communications is carried out over the same temporal and spectral resources. The main limitation impacting full-duplex transmission is managing the strong self-interference signal imposed by the transmit antenna on the receive antenna within the same transceiver. Several recent publications have demonstrated that the key challenge in practical full-duplex systems is un-cancelled self-interference power caused by a combination of hardware imperfections, especially Radio Frequency (RF) circuits' impairments. In this thesis, we consider the problem of self-interference cancellation in full-duplex systems. The ultimate goal of this work is to design and build a complete, real-time, full-duplex system that is capable of achieving wireless full-duplex transmission using practical hardware platforms. Since RF circuits' impairments are shown to have significant impact on the self-interference cancellation performance, first, we present a thorough analysis of the effect of RF impairments on the cancellation performance, with the aim of identifying the main performance limiting factors and bottlenecks. Second, the thesis proposes several impairments mitigation techniques to improve the overall self-interference cancellation capability by mitigating most of the transceiver RF impairments. In addition to impairments mitigation, two novel full-duplex transceiver architectures that achieve significant self-interference cancellation performance are proposed. The performance of the proposed techniques is analytically and experimentally investigated in practical wireless environments. Finally, the proposed self-interference cancellation techniques are used to build a complete full-duplex system with a 90\% experimentally proven full-duplex rate improvement compared to half-duplex systems
sj-docx-1-jcn-10.1177_08830738221078683 - Supplemental material for Clinicoradiologic Correlation in 22 Egyptian Children With Megalencephalic Leukoencephalopathy With Subcortical Cysts
No full textSupplemental material, sj-docx-1-jcn-10.1177_08830738221078683 for Clinicoradiologic Correlation in 22 Egyptian Children With Megalencephalic Leukoencephalopathy With Subcortical Cysts by Abdelrahim A. Sadek, Mohammed A. Aladawy, Tarek M. M. Mansour, Mohamed F. Ibrahim, Montaser M. Mohamed, Eman F. Gad, Amr A. Othman, Hosny A. Ahmed, Abdin K. Kasim, Wael M. Wagdy, Mohamed H. T. Hasan and Elsayed Abdelkreem in Journal of Child Neurology</p
Challenges and State of the Art in the Agricultural Machinery Electrification
No full textThis chapter introduces the peculiarities of agricultural machinery and describes the main component of traditional machine configurations. After the description of the conventional powertrain of farming tractors and highlighting the most relevant challenges for electrification, it reports a description of the electrically driven internal combustion engine (ICE) auxiliaries. The most widely adopted structure in conventional powertrain for mechanical front‐wheel drive tractors. Besides the main powertrain, also ICE auxiliaries can be electrified in order to improve their consumption reducing parasitic losses. When electrified, the auxiliaries can be controlled more effectively operating, for example, with a speed controlled independently from the ICE speed. The two most demanding auxiliary loads are the HVAC (heating, ventilation and air‐conditioning) compressor and the cooling fan: both are responsible for about 10% and 30% of ICE‐rated power during onfield and idling operations, respectively
sj-docx-2-jcn-10.1177_08830738221078683 - Supplemental material for Clinicoradiologic Correlation in 22 Egyptian Children With Megalencephalic Leukoencephalopathy With Subcortical Cysts
No full textSupplemental material, sj-docx-2-jcn-10.1177_08830738221078683 for Clinicoradiologic Correlation in 22 Egyptian Children With Megalencephalic Leukoencephalopathy With Subcortical Cysts by Abdelrahim A. Sadek, Mohammed A. Aladawy, Tarek M. M. Mansour, Mohamed F. Ibrahim, Montaser M. Mohamed, Eman F. Gad, Amr A. Othman, Hosny A. Ahmed, Abdin K. Kasim, Wael M. Wagdy, Mohamed H. T. Hasan and Elsayed Abdelkreem in Journal of Child Neurology</p
Drought and famine relationships in Sudan: policy implications
No full textSudan is one of the few countries where famine still persists. Why? What are the determinants of famine in Sudan? What is the role of drought, especially in the context of economic policy failure and war? Who is affected by famine? What needs to be done to mitigate and prevent famine? These are some of the questions addressed in Drought and Famine Relationships in Sudan: Policy Implications, Research Report 88, by Tesfaye Teklu, Joachim von Braun, and Elsayed Zaki. The research is particularly concerned with quantitatively tracing the drought-production-consumption-nutrition linkages under famine conditions at the household level in order to identify effective means of alleviating and preventing famine.... while famine is often strongly linked to drought, this research finds that even under the severe economic constraints of Sudan, suitable government planning and action can forestall that linkage.Famines Sudan., Droughts Sudan., Food relief Government policy Sudan., Drought relief Government policy Sudan.,
Islamic FinTech and Artificial Intelligent (AI) for Assessing Creditworthiness
No full textArtificial Intelligence and Islamic Finance discusses current and potential applications of Artificial Intelligence (AI) for risk management in Islamic finance. It covers various techniques of risk management, encompassing asset and liability management risk, credit, market, operational, liquidity risk, as well as, regulatory and Shariah risk compliance within the financial industry. The authors highlight AI’s ability to combat financial crime such as monitoring trader recklessness, anti-fraud and anti-money laundering and assert that the capacity of Machine Learning (ML) to examine large amounts of data allows for greater granular and profound analyses across a variety of Islamic financial products and services. The book concludes with practical limitations around data management policies, transparency, and lack of necessary skillsets within financial institutions. By adopting new methodological approaches steeped in an Islamic economic framework (e.g., analysing FinTech in the context of Shariah principles and Islamic values), it devises practical solutions and generates insightful knowledge, helping readers to understand and explore the role of technological enablers in the Islamic finance industry, such as RegTech and Artificial Intelligence, in providing better and Shariah-compliant services to customers through digital platforms.
The book will attract a wide readership spanning Shariah scholars, academicians and researchers as well as Islamic financial practitioners and policymakers
Neochrysocharis formosus Westwood
No full textNeochrysocharis formosus (Westwood) Material examined. 2 ♀, Kom Osheim (Fayoum), 29 ° 34 '07"N, 30 ° 54 ' 26 "E, Malaise trap, 29–31.v. 2013; 1 ♀, El-Heiz (Ein Eleza, Bahariya Oasis), 28 °01' 34 "N, 28 ° 38 ' 20 "E, swept on Medicago sativa, 26.x. 2013 (leg. Usama Abu El-Ghiet); 2 ♀, Kafr Salem (El Gharbiya), 30 ° 43 ' 52 "N, 34 ° 18 '07"E, Malaise trap, 3–6.x. 2014; 1 ♀, 1 ♂, Kafr Salem (El Gharbiya), 30 ° 43 ' 52 "N, 34 ° 18 '07"E, Malaise trap, 3–6.x. 2014 (leg. Ahmed M. Soliman); 1 ♂, Botanical Gaden (Aswan), 24 °05' 38 "N, 32 ° 53 ' 13 "E, 11.iii. 2014 (by sweeping) (leg. Yusuf Edmardash); 2 ♀, Burullus (Kafr El Sheikh), 31 ° 33 ' 58 "N, 31 °07' 53 "E, swept on grasses, 26.x. 2014 (leg Yusuf Edmardash & Mustafa Mahmoud). Previous records from Egypt. Al Ameria district (Alexandria) (31 °01' 24 "N, 29 ° 49 ' 48 "E) (Doğanlar & Elsayed 2015). Distribution. Cosmopolitan (except Australia). Host records. In Egypt, it has been reared from galls of Asphondylia punica Marchal (Diptera: Cecidomyiidae) on the stems and flower buds of the Mediterranean saltbush, Atriplex halimus (Doğanlar & Elsayed 2015).Published as part of Gadallah, Neveen S., Yefremova, Zoya A., Yegorenkova, Ekaterina N., Soliman, Ahmed M., Abu El-Ghiet, Usama M. & Edmardash, Yusuf A., 2015, A review of the family Eulophidae (Hymenoptera: Chalcidoidea) of Egypt, with thirty three new records in Zootaxa 4058 (1), DOI: 10.11646/zootaxa.4058.1.3, http://zenodo.org/record/23657
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