دور المؤسسات المالية في تمويل المشروعات التنموية
عمل غير منشورتناولت المداخلة عرض لأنواع المشاريع الاستثمارية وأهدافها وركزت على المؤسسات المالية الليبية وخصوصا على المصارف الليبية وتناولت بيانات كمية عن تركيبة الاستثمار فيها والتمويلات التي منحتها للاقتصاد في الفترة السابقة والتعريج على وضعها القائم وعرضت نتائج تحليل البيانات الكمية الحالية التي أوضحت العديد من المشاكل والصعوبات التي تعاني منها المؤسسات المالية وأدرجت المداخلة بعض التوصيات للمساهمة في الدفع بهذه المؤسسات للقيام بدورها المنوط.
أحمد بلقاسم المختار تواتى، (10-2015)، جهاز إدارة وتنفيذ مشروع الطرق الحديدية: كلية الاقتصاد والعلوم السياسة جامعة الزيتونة،
الخصائص المورفومترية لحوضي زمزم والبي الكبير: دراسة مقارنة باستخدام التقنيات المكانية
مقال في مؤتمر علميAbstract
This study aimed at building data base of the morphometric properties in the basin of Cove Valley and basin of Abualdhak Valley, through analyzing the digital elevation model ( DEM ) by using a group of geographical data systems programs , which integrated together in order to result in a large number of morphometric variances & measurements. They are represented in the programs of Global Mapper, Arc Map 10 as a basic programs & other supportive programs like 3DEM.
This is done with the purpose to understand its hydrologic significances & consequently understanding the water movement on the surface of the base . The study depended on the data of SRTM Worldwide Elevation data,3-arc- second resolution), in addition to a group of maps & satellite images.
The study has reached to build data base of the morphometric properties in the base , and reaching to its hydrologic significance through studying the link between the morphometric prosperities & some of hydrologic variances.
Moreover , the study has reached to that the base has the form of a triangle , it base is in the sources & its head is in the outlet.
Furthermore , its cleared from the study :-
The two basins possessing a very small area of eastern Libya , it does not exceed 0.1% of the total area of Libya , and about 63.4 % of the area belonging to the basins Basin Cove.
Ranks in the upper basins stretching for a distance, and this is an indication of the sculpture downward , and its result Balihudan deep sewers.
The two basins not still going through an early stage in terms of origination , therefore appeared to represent a micro -level greater percentage of sewage basins.
Most streams of the Cove Valley are trends between the west and the north-east , while the streams of Abualdhak Valley are between the north and the south-east.
Most of the territory of the two basins are a mild slope , with the presence of severe declines in the simple parts of the basins.
The study recommended that we should depend on the morphometric properties in order to reach to the hydrologic significances in the absence of the stations of hydrometric measurement Also, the necessity of organizing the flow in the bases in which the percentage of occurring floods raises, through building barriers, dams & places for collecting water below the base.
Spatial tecnology,basin,streams..Key wordes: morphometric properties
عبدالسلام احمد محمد ابراهيم، أ. أحمد محمد السائح، (10-2015)، أعمال الملتقى الجغرافي الرابع عشر سرت ليبيا: جامعة سرت - كلية الآداب - قسم الجغرافيا والجمعية الجغرافية الليبية، 229-263
دراسة نظرية في التحول الديمقراطي
مقال في مجلة علميةإن التحول الديمقراطي يمثل ظاهرة طبيعية في علم السياسة، هذه الظاهرة مرت بها كثير من دول العالم، البعض منها حقق تحوالا ديمقراطياا وأسس لبناء دولة ديمقراطية صحيحة، تستند على احترام حقوق اإلنسان، و صون حريات األفراد، و يخضع فيها الجميع للقانون، و تنتقل فيها السلطة بطريقة سلمية، في حين فشلت دول أخرى في تحقيق هذا التحول و انتقلت إلى وطأة أنظمة استبدادية جديدة، تكرس حكم الفرد الواحد، أو الحزب الواحد، أما دول الفريق الثالث فقد وقعت في أتون الحروب األهلية، و الطائفية، والفوضى العارمة، حيث أصبحت توصف كدول فاشلة. التحول الديمقراطي يعتبر مرحلة تقوض فيها كل دعائم النظام السياسي الدكتاتوري القائم، و يبنى نظام سياسي و اقتصادي و اجتماعي جديد، فالتحول الديمقراطي يختلف من دولة إلى أخرى حسب طبيعة النظام السياسي، و االقتصادي، و االجتماعي، والثقافي السائد، و مدى تطور المجتمع، فالتحول قد يحدث بالطرق السلمية، كما حدث في الموجة الثالثة من التحول الديمقراطي في بعض دول أوروبا الشرقية في نهاية تسعينيات القرن العشرين، أو عبر الثورة، والعنف، ولكن بدرجات مختلفة، كما حدث مؤخ ارا في تونس، ومصر، وليبيا، و اليمن. مصطلحات دالة: التحول الديمقراطي، الديمقراطية، النظام الديكتاتوري.
مصطلحات دالة: التحول الديمقراطي، الديمقراطية، النظام الديكتاتوري.
علي مصباح محمد الوحيشي، (10-2015)، جامعة الزاوية: مجلة كلية االقتصاد للبحوث العلمية، 2 (1)، 48-66
Effect of Steam and Carbon Dioxide on Naphtha Cracking to Mitigate Cracked Gas Compressor Fouling, Coke Accumulation and Energy Resources
Journal ArticleThe naphtha cracking process experiences problems such as fouling in the cracked gas compressor, and the accumulation of coke on the furnace coils, which require the use of exhaustive energy resources and costs to maintain the process. Several attempts have been carried out to solve this process in ethylene plants, but reducing fouling and energy costs during naphtha cracking remains a challenge. This study involves a simulation experiment that covers the addition of steam and carbon dioxide to the naphtha cracking process based on realworld data extracted from an ethylene plant in Libya, in order to investigate the effects of the addition of CO2 towards mitigating fouling in the cracked gas compressor, as well as coke accumulation on the coils inside the furnace, and in turn the energy resources and costs involved in the process. The key role of the addition of steam is the fractional elimination of the accumulated coke that leads to various issues within the reactor, such as the low heat transfer and the decrease in pressure. In this study, the diluting media CO2 is employed along with steam in order to investigate its effect on operating conditions and the main products’ yields. Two simulation models were constructed to investigate the thermal cracking process of ethylene in the existence of CO2 and steam. The first model involved only steam, and represented the standard design. The second model involved the addition of both CO2 and steam. After evaluation and comparison of both models, promising results reveal that the addition of CO2 and steam during the naphtha cracking process mitigate costs and energy resources required to …
Fawzi Mohamed Amin Mohamed Elfagaih, (09-2015), Chemical and Process Engineering Research: https://www.iiste.org/, 34 (1), 10-20
أثر الديون المتعثرة على النتائج المالية للمصارف التجارية
مقال في مجلة علميةتهدف الدراسة الى معرفة أثر الديون المتعثرة على النتائج المالية للمصارف محل الدراسة، وتوصلت الدراسة بأن الديون المتعثرة على تأثير على معدل العائد على حقوق الملكية، ولها تأثير على معدل العائد على الأصول، وتوصلت الى ضرورة تبني المصارف لسياسات متطورة ومستمرة لتحليل وقياس الأنواع المختلفة من المخاطر المصرفية لتجنب الوقوع فيها، وضرورة إنشاء إدارة متخصصة لكل مصرف لدراسة ومعالجة الديون المتعثرة بأشراف خبراء في الائتمان لدراسة الحالات المتعثرة وتحديد افضل السبل للمعالجة، والتأكد من وجود سياسات واضحة من المصارف محل الدراسة على التنبؤ والتحليل لقياس المخاطر المصرفية وتحديداً مخاطر الائتمان.
خالد صالح عبود اسباقة، إبراهيم أحمد خليل الصقر، (09-2015)، كلية الاقتصاد والعلوم السياسية - جامعة بني وليد: مجلة العلوم الاقتصادية والسياسية، 5 (3)، 123-146
Orifice Plate Flow Meter Design Review and Calculation Procedure
Journal ArticleThe importance of flow measurement in the industry has grown in the past 50 year, not just because it was widespread use for accounting purposes, such as custody transfer of fluid from supplier to customers, but also because of its application in manufacturing processes [1,2, and 3], Examples of the industrial involvement in flow measurement includes food and beverage, oil and gas industry, medical, petrochemical, power generation and water distribution, etc. In the research laboratory, advanced flow measurements are providing new insights into a wide range of engineering flow problems in hydrodynamics such as wave impact loading on coastal defenses, beach erosion) combustion such as low Nox burners in IC engines, aerodynamics such as wind turbine optimization and performance prediction) to list but a few [4,5], The aim of this work is to generate an awareness and understanding of the range of contemporary flow measurement techniques available with the emphasis on devices and techniques with wide application in engineering. Focus is devoted to cheap meters with reasonable accuracy; the differential pressure flow meters that all infer the flow rate from a pressure drop across a restriction in the pipe. An orifice plate meter is designed to measure the required flow rate to cool a nuclear reactor at design point is 20 Kg/sec. Meter operation at off design conditions; 5 and 30 Kg/sec minimum and maximum flow rates with maximum allowable orifice pressure drop of 200 KPa were investigated and finalizes the design process.
Mohameed Hameed Ali Elhsnawi, (09-2015), مجلة جامعة الزيتونة: جامعة الزيتونة, 14 (3), 62-81
دور الإعلام الجديد في التنشئة السياسية ، ودعم ثقافة المواطنة ، وترسيخ الثقافة الدستورية
مقال في مؤتمر علميهذا البحث يسعى إلي فحص الدور الذي يلعبه الإعلام الجديد خاصة
مواقع التواصل الإجتماعي في التنشئة السياسية، فقد شكل الفيسبوك وتويتر
والمدونات الشخصية قنوات مهمة في أحداث تغيرات جوهرية في الحياة اليومية
للأفراد زادت من وعيهم وإدراكهم لمختلف القضايا السياسية في مجتمعاتهم
وأصبحت وسائل للتنشئة الذاتية.
علي مصباح محمد الوحيشي، (09-2015)، الجزائر: مجلة علوم الإنسان والمجتمع، 275-294
Applications of graphene and its derivatives as an adsorbent for heavy metal and dye removal: a systematic and comprehensive overview
Journal ArticleBecause of their persistency and toxicity, dyes and heavy metal ions discharged to water bodies have become a worrisome issue. Therefore, to secure the innate beauty of our planet and to conserve our non-renewable natural resources, specifically, water, it is essential to check and/or to minimize heavy metal ion and dye concentrations before discharge. Adsorption is considered as a robust and widely acclaimed water decontamination technology. In material science research, much attention has been focused on graphene, a carbon allotrope with a two-dimensional sheet-like structure possessing unique structural properties that has been utilized in various research areas. Herein, we present recent developments, specifically focusing on the use of graphene and its derivatives as an adsorbent for dye and heavy metal ion removal from aqueous phase. A historical overview, synthesis methodologies, structural …
Fawzi Mohamed Amin Mohamed Elfagaih, (08-2015), RSC Advances: Royal Society of Chemistry, 5 (62), 32767-32767
Kinetic studies of safranin-O removal from aqueous solutions using pineapple peels
Journal ArticleThis study aimed to investigate how safranin-O can be removed from aqueous solutions by adsorption on pineapple peels. The effect of solution pH, initial dye concentration, contact time and adsorbent dose were studied. The optimum adsorption capacity of 26.08 mg/g was achieved under the experimental condition of pH, temperature and contact time of 6, 293K and 80 min, respectively. Also further analysis revealed that 93.24% of safranin-O was significantly removed at 120 mg/L dye concentration in 80 minutes contact time. From the result of the isotherm studies, it was revealed that the equilibrium data is well fitted to Freundlich model while the adsorption kinetic data showed that the adsorption process was well described by the pseudo-second order kinetic model. Finally, it can be deduced that pineapple peels had a great potential in adsorbing and removal of safranin-o from aqueous solution.
Fawzi Mohamed Amin Mohamed Elfagaih, (07-2015), Iranica Journal of Energy & Environment: Babol Noshirvani University of Technology, 6 (3), 173-180
Vectorial Crystal Growth of Oriented Vertically Aligned Carbon Nanotubes Using Statistical Analysis
Journal ArticleIn this present work, crystalline growth conditions of oriented carbon nanotubes based on chemical vapor deposition (CVD) were optimized. The crystallinity and degree of alignment of the grown carbon nanotubes (CNTs) were characterized by field emission scanning electron microscopy, transmission electron microscopy, and Raman spectroscopy. The effects of four variables, namely, deposition time, deposition temperature, annealing process, and concentration of the precursor on the crystallinity of the CNTs, were explored. Furthermore, the correlation of parameters with the growth mechanism was examined using response surface methodology in an attempt to determine the complex interactions between the variables. A total of 30 runs, including predicting and consolidation runs to confirm the results, were required for screening the effect of the parameters on the growth of the CNTs. On the basis of the investigated model, it was found that the crystallinity of the CNTs grown by the CVD method can be controlled via restriction of the effective parameters.
Fawzi Mohamed Amin Mohamed Elfagaih, (07-2015), Crystal Growth & Design: American Chemical Society, 15 (7), 3457-3463