Iman Mohamad Sharaf, Essam Abdel-Hadi Ali Khalil,
Spherical fuzzy sets (SFSs) were recently introduced to reflect experts' judgements explicitly and in a more informative manner. TOmada de Decisão Interativa e Multicritério (TODIM) is one of the multi-criteria decision-making techniques. It is founded on the prospect theory that considers the decision-makers psychological behaviours under risk. In this article, TODIM is extended using the novel concept of SFSs to exploit its superior features to incorporate a new point of view in fuzzy decision-making ...
Tópico(s): Quality Function Deployment in Product Design
2020 - Taylor & Francis | International Journal of Management Science and Engineering Management
Essam Sharaf El Din, Yun Zhang,
Traditional surface water quality assessment is costly, labor intensive, and time consuming; however, remote sensing has the potential to assess surface water quality because of its spatiotemporal consistency. Therefore, estimating concentrations of surface water quality parameters (SWQPs) from satellite imagery is essential. Remote sensing estimation of nonoptical SWQPs, such as chemical oxygen demand (COD), biochemical oxygen demand (BOD), and dissolved oxygen (DO), has not yet been performed because ...
Tópico(s): Remote Sensing and LiDAR Applications
2017 - SPIE | Journal of Applied Remote Sensing
Essam Sharaf El Din, Yun Zhang, Alaeldin Suliman,
The deterioration of surface water quality occurs due to the presence of various types of pollutants generated from human, agricultural, and industrial activities. Thus, mapping concentrations of different surface water quality parameters (SWQPs), such as turbidity, total suspended solids (TSS), chemical oxygen demand (COD), biological oxygen demand (BOD), and dissolved oxygen (DO), is indeed critical for providing the appropriate treatment to the affected waterbodies. Traditionally, concentrations of ...
Tópico(s): Water Quality Monitoring and Analysis
2017 - Taylor & Francis | International Journal of Remote Sensing
Updating the physicochemical properties of surface water is important to water quality researchers and decision-makers. Routine surface water quality monitoring methods are inadequate; whereas, remote sensing (RS) is a source of processing data in both spatial and temporal domains. However, RS is a good tool of monitoring freshwater ecosystems, accurate modelling of surface water quality parameters from satellite imagery is still a challenging task. High correlation between the adjacent satellite ...
Tópico(s): Water Quality Monitoring Technologies
2020 - Taylor & Francis | International Journal of Remote Sensing
Essam Sharaf El Din, Y. Zhang,
Abstract. Delineating accurate surface water quality levels (SWQLs) always presents a great challenge to researchers. Existing methods of assessing surface water quality only provide individual concentrations of monitoring stations without providing the overall SWQLs. Therefore, the results of existing methods are usually difficult to be understood by decision-makers. Conversely, the water quality index (WQI) can simplify surface water quality assessment process to be accessible to decision-makers. ...
Tópico(s): Water Quality Monitoring Technologies
2017 - Copernicus Publications | The international archives of the photogrammetry, remote sensing and spatial information sciences/International archives of the photogrammetry, remote sensing and spatial information sciences
Mamdouh M. Shaaban, Sheldon J. Segal, Hosam T. Salem, Sharaf A. Ghaneimah, Essam-Aldein M. Khalifa, Abdel-Ghaffar Mohamed Ahmed,
To study the probability of ovulation and subclinical abortion during long-term use of Norplant and to assess the concomitant endometrial development. This was a prospective nonrandomized comparative study. The ovaries and endometrium were assessed daily by ultrasonography during 59 menstrual cycles in 50 women who were using Norplant for > 1 year. Serum concentrations of E2, P, FSH, LH, pregnancy specific β1 glycoprotein (Sp1), and hCG were also daily measured. The findings were compared with those ...
Tópico(s): Reproductive System and Pregnancy
1993 - Elsevier BV | Fertility and Sterility
Essam F. Sharaf, Marcelle K. BouDagher‐Fadel, J. A. Simó, Anthony R. Carroll,
ligocene-Miocene carbonate and siliciclastic strata exposed in the East Java basin can be grouped into three stratigraphic intervals or formations: from oldest to the youngest, they are the Kujung, Tuban and Ngrayong Formations. The Bulu Member of Wonocolo Formation caps the studied stratigraphic succession. Each of these stratigraphic intervals is defined by its fossil assemblages and lithologic characteristics. However, the most dominant fossils in all formations are warm water, shallow marine ...
Tópico(s): Pacific and Southeast Asian Studies
2005 - | Stratigraphy
Essam F. Sharaf, J. A. Simó, Alan R. Carroll, Martin Shields,
The Oligocene–Miocene of East Java is characterized by multiple stages of isolated carbonate mound growth surrounded by deeper marine off-mound sediments or by shallow-marine siliciclastics. Three stratigraphic intervals are recognized: Kujung (carbonate mound and off-mound), Tuban (mixed carbonate-siliciclastic), and Ngrayong (siliciclastic). Exposures of the Kujung unit (28–22 Ma) are limited to a few isolated outcrops. At the base, the Kujung is represented by a high-energy, extensive, shallow-marine ...
Tópico(s): Geological formations and processes
2005 - American Association of Petroleum Geologists | AAPG Bulletin
Estimation of surface water quality parameters (SWQPs) from satellite imagery is a cost-effective method. Remote sensing algorithms are developed to map the relationship between satellite reflectance and concentrations of SWQPs. This study exploited principal component analysis (PCA) to decorrelate multispectral bands prior to developing algorithms for SWQPs. Landsat-8 surface reflectances are first achieved, then, principal components are extracted to develop algorithms for turbidity and total suspended ...
Tópico(s): Marine and coastal ecosystems
2019 - Taylor & Francis | Journal of Spatial Science
Essam F. Sharaf, Ibrahim Korrat, H. H. Seisa, Eslam Esmaiel,
Offshore Nile Delta gas reservoirs are dominated by slope-channel systems of Plio-Pleistocene age. High-quality, three-dimensional seismic imaging has significantly helped in defining the geomorphology and architectures of these channels. Integrating seismic, logs and core data from four wells resulted in understanding of different stages of channel development and reservoir quality. The studied reservoirs that are largely controlled by episodes of transgressive-regressive events resulted in deposition ...
Tópico(s): Seismic Imaging and Inversion Techniques
2014 - Scientific Research Publishing | Open Journal of Geology
Essam F. Sharaf, Khaled A. Khaled, Ahmed I. Abushady,
Middle Miocene turbidite channel reservoirs offshore Nile Delta of Egypt are difficult to develop efficiently. The depositional mechanism of these channels defines sand bodies with variable thickness and quality over short distances. Akhen Field is a turbidite high pressure and high temperature reservoir offshore in the East Nile Delta, Egypt. The turbidite deposits at Akhen area reflect varied depositional fabrics from poorly to moderately sorted and non-graded to graded. Well logs and core data ...
Tópico(s): Hydraulic Fracturing and Reservoir Analysis
2015 - Elsevier BV | Journal of African Earth Sciences
Essam F. Sharaf, Hussain Sheikha,
A detailed reservoir description of the Lower Cretaceous, Muddy Formation is an essential step for developing an enhanced oil recovery project in the Bell Creek field. The applied workflow highlighted the role of key uncertainties that were not well addressed during early field development. Several challenges including: stratigraphic subdivision of the reservoir units, rock type complexity due to diagenesis, petrophysical data inconsistencies and fluid contacts have historically led to hurdles in ...
Tópico(s): Enhanced Oil Recovery Techniques
2021 - Elsevier BV | Marine and Petroleum Geology
Essam‐Eldeen M. Abo‐Kassem, A. Sharaf-el-Din, J. Rozema, ElSayed Foda,
The addition of NaCl to cadmium had significant synergistic effect on the wheat root and shoot fresh mass, relative growth rate and net assimilation rate, while showed no significant effects on the dry mass production, leaf area, leaf area ratio, leaf mass ratio and specific leaf area. Additive depression of the rate of photosynthesis and the stomatal conductance was recorded, while no significant effect on the transpiration rate was observed. The Cd stress disturbed the mineral nutrition of the ...
Tópico(s): Plant Stress Responses and Tolerance
1995 - Institute of Experimental Botany of the Czech Academy of Sciences | Biologia Plantarum
Abeer Essam Noman, Naif Al-Barha, Abdul-Aziz M. Sharaf, Qais Ali Al‐Maqtari, Amani Mohedein, Hammad Hamed Hammad Mohammed, Fusheng Chen,
Abstract A novel bacterial strain of acetic acid bacteria capable of producing riboflavin was isolated from the soil sample collected in Wuhan, China. The isolated strain was identified as Gluconobacter oxydan s FBFS97 based on several phenotype characteristics, biochemicals tests, and 16S rRNA gene sequence conducted. Furthermore, the complete genome sequencing of the isolated strain has showed that it contains a complete operon for the biosynthesis of riboflavin. In order to obtain the maximum ...
Tópico(s): Metabolism and Genetic Disorders
2020 - Nature Portfolio | Scientific Reports
Essam Sharaf El Din, Hossam El-Din Fawzy, Samah Abo Ramadan,
... Seasonal Attributes of Surface Water Quality - written by Essam Sharaf El Din , Hossam El-Din Fawzy , Samah Abo ...
Tópico(s): Water Quality Monitoring and Analysis
2020 - International Research Publication House | International Journal of Engineering Research and
Essam F. Sharaf, Hussain Sheikha, Stephen C. Boger,
The Upper Cretaceous Woodruff sand in Tinsley Field provides a good case study of addressing the challenges influencing the flooding process of a complex reservoir. It primarily consists of sandstone intervals that were deposited in a shallow marine, wave-dominated shoal environment and appears deceivingly simple on wireline logs. Deeper investigation finds that the clastic reservoir is actually rich in carbonate concretions with varying geometries and percentages. These carbonate concretions change ...
Tópico(s): Hydraulic Fracturing and Reservoir Analysis
2017 - Elsevier BV | Marine and Petroleum Geology
Ahmed Elsherif, Rachel Gaulton, J. P. Mills, Essam Sharaf El Din,
Abstract. Canopy water mass is an important plant characteristic that can indicate the water status of vegetation. However, the parameter remains under-investigated because measuring it requires defoliating the canopy. This study introduced a non-destructive approach to estimate canopy water mass using terrestrial laser scanning data. Tree 3D models were generated from dual-wavelength TLS data for six forest canopies, then the models were utilized in estimating the canopy LAI, total leaf area, and ...
Tópico(s): Remote Sensing in Agriculture
2023 - Copernicus Publications | The international archives of the photogrammetry, remote sensing and spatial information sciences/International archives of the photogrammetry, remote sensing and spatial information sciences
Ahmed I. Omar, Ziad M. Ali, Shady H. E. Abdel Aleem, Essam M. Aboul-Zahab, Adel M. Sharaf,
This paper presents a novel stabilization FACTS-based scheme that acts as a switched compensator for grid-connected wind energy systems. It is a member of a family of devices and switched dynamic voltage stabilization converters that were developed to ensure minimal loss of excitation, voltage stabilization, energy efficient utilization, power quality enhancement and harmonic distortion reduction in AC distribution grid networks. A novel-dual action distributed FACTS based–switched power filter ...
Tópico(s): Energy Load and Power Forecasting
2019 - | International Journal on Energy Conversion (IRECON)
NohaHasssanin Hanboly, Yasser Sharaf, Mervat Al-Anany, Essam Saeed,
Background: Left ventricular hypertrophy (LVH) is an important predictor of cardiovascular risk and its detection contributes to risk stratification. Chemerin is a secreted protein with a complex but well-established role in immune function. It regulates adipocyte development and metabolic function as well as glucose metabolism in liver and skeletal muscle tissues.Purpose of the Study: The aim of the current study was to investigate the correlation between the serum chemerin level and occurrence ...
Tópico(s): Biomarkers in Disease Mechanisms
2019 - Medknow | Nigerian Journal of Cardiology
Essam B. Moustafa, Mazen Sharaf, Ghazi Alsoruji, Ahmed O. Mosleh, Samah S. Mohamed, Hossameldin Hussein,
In the present study, AA7075 and AA2024 aluminum alloys were reinforced with ZrC, and the particles of WC were joined using the friction stir welding (FSW) method. The microstructural and mechanical properties of the welds were investigated using SEM, EDS, and tensile tests. The FSW process resulted in high-quality welds with fine grain structure; the stirred zone has 666% smaller grain size than AA7075 and AA2024 aluminum alloys. The tensile test showed strong and ductile welds. The fracture test ...
Tópico(s): MXene and MAX Phase Materials
2023 - Multidisciplinary Digital Publishing Institute | Journal of Composites Science
Ahmed Mohamed Sharaf, Eslam Syala, Abbas Anwar Ezzat, Salah F. Abdellah Ali, Essam El-Rafey,
Tópico(s): Nanocomposite Films for Food Packaging
2022 - Springer Science+Business Media | Fibers and Polymers
Rehab Mohamed Sharaf, Passant Essam Eldin-Shibel, Nadia Ahmed Abd-El-Moeze,
Squamous cell carcinoma (SCC) of the urinary bladder is associated with aggressive behavior and is typically treated with radical cystectomy. Vitamin D receptor (VDR) and its ligand Calcitriol have shown anti-tumor effects in various malignancies but to our knowledge there is no current information on VDR expression in bladder SCC. This study aimed to assess VDR immunostaining patterns in pure bladder SCC and its relation to the available clinicopathological parameters of such tumors.
Tópico(s): Vitamin D Research Studies
2024 - Federation of Turkish Pathology Societies | Turkish Journal of Pathology
Magdy M El Sharkawy, Heba W. El Said, Maha Behairy, Fatma Abdelrahman Ahmed, Mohamed A. Sharaf, Lina Essam Khedr,
Background Hepcidin is a polypeptide secreted from the liver. It regulates iron metabolism by blocking further iron absorption when iron stores are high. Hepcidin levels are usually higher than the normal range in hemodialysis (HD) patients. Hepatitis C virus (HCV) infection leads to lowering of hepcidin levels, leading to more iron overload. The objectives were to determine whether there is a correlation between iron stores and hepcidin levels in HD patients after HCV treatment and to assess the ...
Tópico(s): Hepatitis C virus research
2022 - Medknow | Journal of The Egyptian Society of Nephrology and Transplantation
ahmed aboelnaga, Hafez Afify, essam sharaf el din,
Tópico(s): Remote-Sensing Image Classification
2023 - | Journal of Engineering Research - Egypt/Journal of Engineering Research
Essam M. Eliwa, Walid E. Elgammal, Mohamed H. Sharaf, M.M. Elsawy, Mohamed H. Kalaba, Esmail M. El‐Fakharany, Medhat E. Owda, H. Abd El‐Wahab,
Abstract Germs are transmitted in different ways and remain viable or infectious on metal, glass, wood, fabrics, and plastic surfaces for prolonged periods of time. Thus, sterilizing commonly handled everyday objects and public places with high contamination potential is a major global strategy to combat the spread of pathogenic microorganisms. Consequently, our response is development of durable surface‐active coating embedded with new Gd(I)/Cs(III) complexes that derived from condensation of thiocarbohydrazide ...
Tópico(s): Contact Dermatitis and Allergies
2022 - Wiley | Applied Organometallic Chemistry
Essam Abdel-Hadi Ali Khalil, Iman Mohamed Sharaf,
This study examines the impact of perceived organizational justice on Egyptian teachers' work related outcomes. It investigates the direct impact of organizational justice on teachers' job satisfaction and organizational commitment and its indirect impact on their turnover intention through these factors. It also examines the difference in teachers' perception of organizational justice and work related outcomes in public schools from that of private schools. Using a self-administrated questionnaire, ...
Tópico(s): Education and Islamic Studies
2014 - | American Journal of Economics and Business Administration
H. I. Abdel-Rahman, Islam Issa, M. A. Sharaf, Mohamed I. Nouh, Abdel Aziz Bakry, A. I. I. Osman, A. S. Saad, F. Y. Kamal, Essam Essam,
In this paper, statistical distribution functions are developed for distance determination of stellar groups. This method depends on the assumption that absolute magnitudes and apparent magnitudes follow a Gaussian distribution function. Due to the limits of the integrands of the frequency function of apparent and absolute magnitudes, we introduce Case A, B, and C Gaussian distributions. The developed approaches have been implemented to determine distances to some clusters and stellar associations. ...
Tópico(s): Astronomical Observations and Instrumentation
2009 - Korean Astronomical Society | Journal of The Korean Astronomical Society
Michael Hudgins, M’bark Baddouh, Essam F. Sharaf,
Tópico(s): Geology and Paleoclimatology Research
2019 - Geological Society of America | Abstracts with programs - Geological Society of America
Hatem Sharaf El-Din, Yasser Essam Elenany,
Varroa destructor is one of the most deadly pests threatening honey bees and many acaricides have been used worldwide to combat the disease. Thus, this work aimed to evaluate Varoviga® and Bayvarol® acaricides under the Egyptian conditions compared to formic acid. Sixteen honeybee colonies were used and divided into four groups 4 colonies/each group: first group as control, second group treated with Bayvarol acaricide, colonies were treated with Varoviga acaricide as third group, and colonies treated ...
Tópico(s): Insect and Arachnid Ecology and Behavior
2020 - Mansoura University | Journal of Plant Protection and Pathology /Journal of Plant Protection and Pathology
Essam F. Sharaf, Hussain Sheikha,
The Lower Cretaceous Muddy Formation at the Bell Creek Field, Montana, USA, is characterized by a clastic sequence of mixed lithofacies. An integrated workflow was applied to define the reservoir compartments and distribution of petrophysical properties throughout the central and northern areas of the field. The workflow focused on the heterogeneity of the reservoir flow units, diagenetic complexities, and the associated compartments. The compartments play a considerable role in controlling the ...
Tópico(s): Enhanced Oil Recovery Techniques
2023 - Geological Society of America | Geological Society of America Bulletin