20 research outputs found

    كتاب الدر المنتخب ليوحنا فم الذهب

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    This text included excerpts of the sayings of Saint John Chrysostom, translated from Greek to Arabic, and thirty-four spiritual essays. The manuscript was composed by Butrus Girgis, and it was handwritten by Yusuf Hanna in 1843. It includes decca, a typical form of Coptic Orthodox illustration. Saint John Chrysostom, the author, served as the patriarch of Constantinople, a position forced upon him in 389 C.E. Born in Antioch circa 347 C.E., he devoted several years to monastic life, spending part of this time as a hermit. Chrysostom means "golden-mouthed."The Iryan Moftah Coptic Language and Religion Manuscript and Book Collection was acquired in 2003 thanks to Laurence Moftah who generously arranged for its transfer to the Rare Books and Special Collection Library in support of the preservation of Coptic heritage and the Coptic studies program at the American University in Cairo. The manuscripts were originally digitized and described by Father Maximous El-Antony with the aid of the Rare Books and Special Collections Library in 2010

    Impact of Aggregate-Associated Carbon on Soil Mechanical Properties: Stability and Compaction Indices in Pomegranate Orchards of Different Ages

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    The relationships between soil aggregates, aggregate-associated carbon (C), and soil compaction indices in pomegranate orchards of varying ages (0–30 years) in Assiut, Egypt, were investigated. Soil bulk density (Bd) and organic carbon (OC) content increased with orchard age in both the surface (0.00–0.20 m) and subsurface (0.20–0.40 m) layers 0.20–0.40 m). The percentage of macroaggregates (R0.25) and their OC content in the aggregate fraction > 0.250 mm increased as the pomegranate orchard ages increased in the surface layer (0.00–0.20 m). Older pomegranate orchards show improved soil structure, indicated by higher mean weight diameter (MWD) and geometric mean diameter (GMD), alongside reduced fractal dimension (D) and erodibility (K). As orchard ages increased, maximum bulk density (BMax) decreased due to an increase in OC, while the degree of compactness (DC) increased, reaching a maximum at both soil layers for the 30 Y orchards. Soil organic carbon and aggregate-associated C significantly influenced BMax, which led to reducing the soil compaction risk. Multivariate analyses identified the >2 mm aggregate fraction as the most critical factor influencing the DC, soil compaction, and K indices in pomegranate orchards. The OC content in the >2 mm aggregates negatively correlated with BMax, DC, and K but was positively associated with MWD and GMD. Moreover, DC and Bd decreased with higher proportions of >2 mm aggregates, whereas DC increased with a higher fraction of 2–0.250 mm aggregation. These findings highlight the role of aggregate size fractions and their associated C in enhancing soil structure stability, mitigating compaction, and reducing erosion risks in pomegranate orchards

    Design, Fabrication and Calibration of Compliant, Multi-Axis, Fiber-Optic Force/Torque Sensors for Biomechanical Measurements

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    This thesis presents the design, fabrication and characterization of various prototypes of multi-axis, compliant force and torque sensors based on fiber-optic sensing technology, the novel calibration methodologies and the experimental results. A compliant 3-axis, intensity modulated-based, fiber-optic force sensor that simultaneously measures normal and shear forces was designed, prototyped and successfully calibrated. A nonlinear Hammerstein-Weiner model (NLHW) was able to characterize the linear and nonlinear behaviour of this prototype. The optimized results have shown a reduction of over 40% in the Root Mean Square Errors (RMSE) in comparison with the linear estimation models. For biomechanical applications such as ground reaction force and gait measurements, the sensor must be able to measure the complete degree of freedom of any force or torque applied at a certain point. Therefore, a wearable compliant 6-axis force and torque sensor was developed and prototyped. It combines two different force sensing technologies: the 3-axis fiber-optic based force sensor and a pressure sensor matrix. The sensor was capable of accurately measuring the full ground reaction force and moment in real-time with minimal gait disturbance. To enhance the durability, avoid the necessary multi-stage conditioning circuits and their resulting extra electronic components, a 6-axis force and torque sensor that is fully optical has been developed and characterized. The sensor is cost-effective, lightweight and flexible with a large force and torque measurement range suitable for biomechanics and rehabilitation systems. A novel calibration methodology which splits the calibration procedure into two estimation models that work simultaneously as a single calibration system named Least Squares Decision Trees (LSDT). Using LSDT, the estimation speed increased by 55.17% and the RMSE reduced to 0.53%. To improve sensor portability, further reduce size and eliminate electromagnetic interference effects as well as enhance sensor biocompatibility, a non-conductive, electrically passive, fiber Bragg grating (FBG) based normal and shear force sensing elements were designed, fabricated and calibrated. The sensing elements are small size, lightweight and compliant. The results achieved from the proposed calibration method have revealed an improvement from an R-squared value of 93% to 100% when compared to a data obtained using a linear least squares method

    Do Oil Price Shocks and COVID-19 Lead to Policy Uncertainty?

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    This study examines the asymmetric effects of the structural oil price shocks and COVID-19 pandemic on four uncertainty indexes. The author used the SVAR approach for the period 31-Dec-2019 to 28-Jun-2020. The results indicate that the effects are asymmetric of oil price shocks. The author also finds that COVID-19 shocks lead to positive responses to the economic policy uncertainty index. In addition, oil prices (their shocks) have a negative impact on the four indicators of uncertainty. Consequently, governments should actively take effective measures to prevent crude oil prices from shocking and maintain stable economic policies

    UniCouncil_1957_124

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    •9' Name Class Remarks 213* Michel Spiridon Sophomore Chem* 2lit, Mireille E* Mordo Senior Econ* in 215* Mohamed Abdel Halim Khodeir Freshman 216. Mohamed Hassan Faki Sophomore P*S, 217» Mohamed Ibrahim SI Disouki Freshman 218, Mohamed Kamel Mohydeen Moh*d Junior B.A* 219* Mohamed Mahmoud Nawar Ali Sophomore P.S . 220* Mohamed Midhat Hussein Senior B.A. — if f 221. Mohamed Sayed Moftah Freshman 222, Mokhlis Zaki Yacoub Freshman 223* Mona El Houte Junior Soc, 22U* Mona Said Megahed Sophomore P.S, 22Morris Alexander Kabashi Freshman 226, Moufid Gamil Khoury Freshman 227, Mounira Yousef Sonbol Sophomore 228, Myrna Daz z i Senior Soc, -— 10 ? 229. Nabil Adib Mohantncd Junior B.A. 230* Nabil Daniel Tadros Junior Chem, 231* Nabil Daoudi Dajani Sophomore B.A. 232* Nabil Naguib Sa*d Sophomore Chem, 233* Nabil Taji Farouki Freshman 23iu Nabil Wahba Barsoum Sophomore Chem* 235* Nabila Fahim El Daif Junior Soc* , 236, Ndaila Hassan Dajani Freshman j 237* Nadia Dajroish Senior Phil. H 238, Nadia Slsayed Elshazly Senior Journ. ——- 10’

    TRI--PP--96--10 Apr 1996

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    We have studied the peak shapes at 596 and 691 keV resulting from fast neutron interactions inside germanium detectors. We have used neutrons from a 252 Cf source, as well as from the 28 Si(¯ \Gamma ,n), and 209 Bi(ß \Gamma ,xn) reactions to compare the peaks and to check for dependence of peak shape on the incoming neutron energy. In our investigation, no dependence of these peak shapes on the neutron energy spectra has been observed. In a comparison of these peak shapes with other studies, we found similar results to ours except for monoenergetic neutron irradiations around 1 to 8 MeV. (submitted to Nuclear Instruments and Methods) Corresponding author: Dept. of Physics, 6224 Agricultural Road, Vancouver, B.C. Canada V6T 1Z1., Tel:(604)822-3853, Fax:(604)822-5324, E-mail: [email protected] 1. Introduction When germanium detectors are irradiated with neutrons of energy of an MeV or more, triangular peaks result from inelastic neutron excitation of the nuclei of the var..

    Skin diseases in patients with primary psychiatric conditions: A hospital based study

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    AbstractBackgroundAlthough the relationship between skin diseases in patients with primary psychiatric conditions is important for patient management, studies on this issue are limited.ObjectiveTo detect the frequency and type of cutaneous disorders among patients with primary psychiatric conditions.Subjects and methodsThis analytic cross-sectional study was conducted on a total of 400 subjects – 200 patients with primary psychiatric disorders and 200 age and sex matched individuals free from primary psychiatric disorders. Patients included in the study were diagnosed according to The Diagnostic and Statistical Manual of Mental Disorders (DMS IV) Criteria. A specially designed questionnaire including socio-demographic data, medical history, family history and dermatological examination was applied. The data were statistically analyzed.ResultsThere was a significant statistical increase in the prevalence of skin diseases in general and infectious skin diseases in particular in psychiatric patients compared with non-psychiatric patients (71.5% versus 22%, P<0.001) and (48% versus 11%, P<0.001), respectively. Parasitic infestations (42.7%) were the most common infectious skin diseases in psychiatric patients (P<0.001). Infectious skin diseases in psychiatric patients were seen most in patients diagnosed with schizophrenia (83.6%) and least in obsessive compulsive disorders (30%)(P<0.001). Psychogenic skin disorders were found in 8.4% of psychiatric patients with skin diseases; delusional parasitosis was the most common (50%).ConclusionHealth education of psychiatric patients and/or of their caregiver and periodic monthly inspection of psychiatric patients are highly indicated for the prevention and control of infectious skin diseases in primary psychiatric patients

    An Elementary Textbook of Psychoanalysis

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    يوفِّر عرضًا شاملًا وواضحًا لأساسيات التحليل النفسي، للمختصين فيه مهنيَّا، كالأطباء، والأطباء النفسيين، والمختصين النفسيين والاجتماعيين، وعلماء الاجتماع، إذ يزوِّد القارئ بمسحٍ موثوق عن الفرضيات العاملة الحالية في التحليل النفسي، ومراحل تطورها؛ لتيسير الفهم والاستيعاب لمجمل التراث التحليلي النفسي، ويساعد على تجنُّب الخلط وسوء الفهم الذي قد ينشأ بسهولة من الإخفاق في إدراك مدى اختلاف نظريات فرويد عند مراحل مختلفة خلال الأربعين عامًا من سيرته المهنية النشطة في التحليل النفسي. إن ترجمة هذا الكتاب إلى العربية تضيف مساهمتين: إحداهما: عرض نظرية التحليل النفسي كاملةً، والأخرى: أن مؤلِّف هذا الكتاب هو أحد الثقات في نظرية التحليل النفسي الكلاسيكية، والإلمام بأساسيات هذه النظرية مهم لأي ممارس للعلاج النفسي، ومعلوم أن فرويد لم يترك كتابًا يحمل مجمل نظريته بشكل شامل وموحَّد، ويعتقد المترجم أن هذا الكتاب يفعل ذلك، كما أن سهولة أسلوبه، ووضوح شرحه كان دافعًا مهمًّا لترجمته.This book provides a comprehensive and clear exposition of the fundamentals of psychoanalysis addressing those who specialize in it professionally, such as physicians, psychiatrists, psychological and social specialists, and sociologists. It provides the reader with a reliable survey of the current working hypotheses in psychoanalysis and their developmental stages to facilitate understanding and assimilation of the body of psychoanalytic literature itself. The book also aids in avoiding confusion and misunderstanding that may arise from a failure to recognize the extent to which Freud's theories diverged at different stages during the forty years of his active psychoanalytic career. Translating this book into Arabic offers two contributions, firstly, presenting the complete theory of psychoanalysis, and secondly, given that the book’s author is one of the trusted figures in classical psychoanalytic theory and Familiarity with its basics is important for any practitioner of psychotherapy. The translator aimed to highlight the theory’s historical importance to students of this specialized science, noting that this work fills the gap left by Freud’s books, by addressing his entire theory in a uniform and comprehensive manner. Also, the ease of the book's style and the clarity of its explanation were key motivations for its translation

    An Elementary Textbook of Psychoanalysis

    No full text
    يوفِّر عرضًا شاملًا وواضحًا لأساسيات التحليل النفسي، للمختصين فيه مهنيَّا، كالأطباء، والأطباء النفسيين، والمختصين النفسيين والاجتماعيين، وعلماء الاجتماع، إذ يزوِّد القارئ بمسحٍ موثوق عن الفرضيات العاملة الحالية في التحليل النفسي، ومراحل تطورها؛ لتيسير الفهم والاستيعاب لمجمل التراث التحليلي النفسي، ويساعد على تجنُّب الخلط وسوء الفهم الذي قد ينشأ بسهولة من الإخفاق في إدراك مدى اختلاف نظريات فرويد عند مراحل مختلفة خلال الأربعين عامًا من سيرته المهنية النشطة في التحليل النفسي. إن ترجمة هذا الكتاب إلى العربية تضيف مساهمتين: إحداهما: عرض نظرية التحليل النفسي كاملةً، والأخرى: أن مؤلِّف هذا الكتاب هو أحد الثقات في نظرية التحليل النفسي الكلاسيكية، والإلمام بأساسيات هذه النظرية مهم لأي ممارس للعلاج النفسي، ومعلوم أن فرويد لم يترك كتابًا يحمل مجمل نظريته بشكل شامل وموحَّد، ويعتقد المترجم أن هذا الكتاب يفعل ذلك، كما أن سهولة أسلوبه، ووضوح شرحه كان دافعًا مهمًّا لترجمته.This book provides a comprehensive and clear exposition of the fundamentals of psychoanalysis addressing those who specialize in it professionally, such as physicians, psychiatrists, psychological and social specialists, and sociologists. It provides the reader with a reliable survey of the current working hypotheses in psychoanalysis and their developmental stages to facilitate understanding and assimilation of the body of psychoanalytic literature itself. The book also aids in avoiding confusion and misunderstanding that may arise from a failure to recognize the extent to which Freud's theories diverged at different stages during the forty years of his active psychoanalytic career. Translating this book into Arabic offers two contributions, firstly, presenting the complete theory of psychoanalysis, and secondly, given that the book’s author is one of the trusted figures in classical psychoanalytic theory and Familiarity with its basics is important for any practitioner of psychotherapy. The translator aimed to highlight the theory’s historical importance to students of this specialized science, noting that this work fills the gap left by Freud’s books, by addressing his entire theory in a uniform and comprehensive manner. Also, the ease of the book's style and the clarity of its explanation were key motivations for its translation
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