https://scholar.ptuk.edu.ps/handle/123456789/75 2026-07-21T13:49:11Z 2026-07-21T13:49:11Z Baleanu, D Asad, J. H. Petras, I https://scholar.ptuk.edu.ps/handle/123456789/611 2019-05-26T10:24:03Z 2015-07-01T00:00:00Z

Title: Numerical solution of the fractional Euler-Lagrange’s equations of a thin elastica model Authors: Baleanu, D; Asad, J. H.; Petras, I Abstract: In this manuscript, we investigated the fractional thin elastic system. We studied the obtained fractional Euler-Lagrange’s equations of the system numerically. The numerical study is based onGrünwald –Letnikov approach, which is power series expansion of the generating function. We present an illustrative example of the proposed numerical model of the system

2015-07-01T00:00:00Z Momoh, OmeizaJames Okafor, VincentNwoya Obada, DavidOlubiyi https://scholar.ptuk.edu.ps/handle/123456789/137 2018-12-02T08:13:50Z 2015-03-21T00:00:00Z

Title: Mathematical Modeling of the Solvent Extraction of Palm Kernel Oil from Palm Kernel Authors: Momoh, OmeizaJames; Okafor, VincentNwoya; Obada, DavidOlubiyi Abstract: The model for the solvent extraction of palm kernel oil from palm kernel was generated for the process at varying particle sizes of palm kernel, temperature of extraction, duration of extraction and mass of palm kernel respectively using Least Square Linear Equation. Petroleum ether was used as solvent to carry out the extraction in a soxhlet apparatus. The percentage oil yield was determined for every extraction carried out. The experimental results obtained showed that percentage oil yield decreases with increase in particle size and mass, but increases with increase in the temperature and duration of extraction. The characterization of the extracted oil was also done to determine its physiochemical properties, which revealed palm kernel oil as a non-drying oil. Statistical analyses of each variable studied and its corresponding oil yield was carried out followed by the modeling of the extraction process for each parameter using least square linear equation. The interpretation of the model developed revealed a model which was significant in the variations obtained from the experimental results.

2015-03-21T00:00:00Z Basheer-Salimia, Rezq https://scholar.ptuk.edu.ps/handle/123456789/136 2018-12-02T08:07:26Z 2015-02-10T00:00:00Z

Title: Ampelographic characterization of white grapevine cultivars (Vitis vinifera L.) grown in Palestine Authors: Basheer-Salimia, Rezq Abstract: In Palestine, grape culture consists of ecotypes and cultivars (also called local varieties), for which a large number of homonymous and synonymous designations exist as well as misnaming of cultivars. The present study is the first report using detailed ampelographic characterizations (39 informative traits) to assess genetic diversity and detect similarities among sixteen accessions collected from putative diverse grape genotypes In general, 30 descriptors presented highly and satisfactory divergent genotypes, whereas the remaining traits showed no or very little ampelographic variation. Based on the similarity matrix and the resulting dendrogram of these ampelographic data, distinguishable genotypes as well as some cases of synonymies and homonymies clearly exist. A synonymy case seemed to be in four genotypes including Jandali-Mfarad, Jan-dali-Mrazraz, Jandali, and Hamadani-Mattar, which indeed showed genetic distances of less than 0.5, sug-gesting their relatedness, and the possibility that they are the same genotype, but with different names. In addition, homonym cases also occur in the following pairs of “Marawi’s, Hamadani’s, and Zaini’s genotypes, in which each pair seems to be two distinctive genotypes. Finally, among the 16 examined genotypes, the Zaini-Baladi genotype tended to show the highest genetic distance values from the others and thus could be potentially incorporated into any further local or regional breeding programs as well as germplasm conservation.

2015-02-10T00:00:00Z جيوسي, مجدي https://scholar.ptuk.edu.ps/handle/123456789/134 2018-12-02T07:54:57Z 2015-03-17T00:00:00Z

Title: التعلم باللعب وأهميته في النمو المعرفي والوجداني لدى طلبة المرحلة الأساسية الدنيا في فلسطين من وجهة نظر معلميهم Authors: جيوسي, مجدي Abstract: هدفت هذه الدراسة إلى التعرف إلىالتعلم باللعب وأهميته في النمو المعرفي والوجداني لدى طلبة المرحلة الأساسية الدنيا في فلسطين من وجهة نظر معلميهم،في العام الدراسي (2014/2015م)، والى معرفة أثر متغيرات الجنس، ومكان السكن، والمؤهل العلمي، والخبرة. وتكونت عينة الدراسة العشوائية من (622) معلم ومعلمة، منهم (279) معلماً و(324) معلمةً موزعين على مدارسفلسطين لمجتمع قوامه)720(، استخدمت الاستبانة كأداة للدراسة إذ تكونت من (24) فقرة مقسمة على خمسة مجالات،تَقيس كل مجال نوعاً من أنواع اللعب، وقد تم التحقق من صدق الأداة وثباتها،وقد أظهرت نتائج وجود فروق دالة إحصائيا للتعلم باللعب وأهميته في النمو المعرفي والوجداني تعزى لمتغير المحافظة والعمر، في حين لم تظهر الدراسة فروقاً دالة إحصائياً تعزى لمتغيرات الجنس والمؤهل العلمي والخبرة، وعليه أوصى الباحث زيادة التركيز على جعل إستراتيجية اللعب طريقة أساسية في التدريس في هذه المرحلة، وتوفير الإمكانيات من الألعاب – بقدر ما تسمح به الظروف- في جميع المدارس

2015-03-17T00:00:00Z