rmelkhatib

أ. د. رأفت محمد أحمد محمد أحمد الخطيب

استاذ - أستاذ بقسم الكيمياء

كلية العلوم

العنوان: قسم الكيمياء - كلية العلوم - جامعة سوهاج

18

إعجاب

المنشورات و المؤلفات التي تحتوي علي الكلمة المفتاحية:


2023-02-13 14:00:19 الكلمات المفتاحية Psoriasis, Omentin-1, NB-UVB, ,
Omentin-1 Level in Psoriatic Patients Treated with Narrow Band Ultraviolet B Phototherapy Versus Acitretin: A Randomized Control Trial.
Abstract Background:Psoriasis is a chronic inflammatory skin disease that not fully understood till now. Many treatment options has been implicated. Omentin 1 is anew marker implicated in many diseases. Objectives:To show association betweenserum level of Omentin-1 in psoriatic patients and its correlation with psoriasis area and severity index (PASI) score before and after treatment with narrow band ultraviolet B phototherapy ... إقراء المزيد

2018-09-07 20:32:37 الكلمات المفتاحية , ثةشي,
تطوير رياض الأطفال في ضوء خبرات بعض الدول الأجنبية "دراسة ميدانية بمحافظة المنيا"
رسالة ماجستير تطوير رياض الأطفال في ضوء خبرات بعض الدول الأجنبية "دراسة ميدانية بمحافظة المنيا" إعداد الباحثة/ نشوة محمد حسن إبراهيم مصر - جامعة القاهرة مصر - جامعة القاهرة فرع بني سويف - كلية التربية فرع بني سويف - كلية التربية قسم أصول التربية 2000م تفضلوا المستخلص في المرفقات وبالتوفيق إقراء المزيد

2023-11-22 16:17:22 الكلمات المفتاحية Hemodialysis, ADEQUACY, ,
Assessment of Hemodialysis Adequacy in patients with Chronic Kidney Disease in the Hemodialysis Unit at Sohag University Hospital
ABSTRACT INTRODUCTION evaluation of HD adequacy in patients with ESRD who were being maintained on regular HD in a trial to identify the prevalence and causes of inadequate HD among the patients and the impact of HD adequacy on other parameters. DESIGN AND SETTING:PROSPECTIVE STUDY, AT SOHAG UNIVERSITY HOSPITAL IN EGYPT. METHODS All patients in this study were subjected to ... إقراء المزيد

2023-05-14 00:01:28 الكلمات المفتاحية الطاقة البديلة , ,
دور الطاقة المتجددة فى تحقيق التنمية المستدامة
دور الطاقة المتجددة في تحقيق التنمية المستدامة هدى عبد الشافى شلقامى قسم الكيمياء-كلية العلوم-جامعة سوهاج ملخص الدراسة يواجه العالم تحديا بالغ الاهمية في خلق توازن بين التنمية المستدامة و بين الحفاظ على البيئة, و نظرا لما للطاقة التقليدية من تداعيات و اثار سواء من ناحية استنزافها او ما ينتج عنها من ملوثات ضارة بالبيئة و صحة الانسان, فان العالم يتجه ... إقراء المزيد

2023-03-13 01:25:55 الكلمات المفتاحية , pathogenesis, alopecia areata,
Updates in the Pathogenesis of Alopecia Areata.
Alopecia areata is the most prevalent autoimmune disorder which causes non-scarring hair loss. It may increase the anxiety of patients and increase their chances of developing psychological and psychiatric disorders. There are two proposed theories for the pathogenesis of alopecia areata. The most evidence-based hypothesis is an autoimmune reaction caused by the collapse of hair follicle immune privilege, Immune privilege ... إقراء المزيد

2022-10-17 23:07:12 الكلمات المفتاحية Postharvest, bio-stimulants, ,
Bio-Stiumlants Extend Shelf Life and Maintain Quality of Okra Pods
Abstract Abstract Okra (Abelmoschus esculentus L.), a tropical annual crop, is a highly perishable vegetable. Okra pods deteriorate rapidly after harvesting. The pods undergo physical and physiological changes that diminish storability and quality. The purpose of this study was to investigate the effect of bio-stimulants on the storability and quality of okra pods stored at 4 °C and 25 °C ... إقراء المزيد

2022-09-03 19:42:12 الكلمات المفتاحية Trichodinosis, Trichodina sp., ,
Histopathological Studies on Trichodinosis of Farmed  Oreochromis niloticus
The present study was planned to study the trichodinosis in the farmed freshwater fish Oreochromis niloticus and investigate the histopathological alterations on the skin and gills. The diseased fish had signs of irritation in the form of erratic swimming, swimming near borders, scratching against hard objects, detached scales, excessive and turbid mucus and ulcerations; and signs of asphyxia in the ... إقراء المزيد

2022-09-03 11:27:04 الكلمات المفتاحية ZnS film, thermal evaporation, ,
Effects of Thickness and Ag Layer Addition on the Properties of ZnS Thin Films
Zinc sulfide (ZnS) thin films, with different thicknesses and different silver (Ag) middle layer thickness, were prepared on glass substrates using thermal evaporation. The structural and optical properties of ZnS thin films were characterized by X-ray diffraction and UV-VIS-NIR spectrophotometer. The X-ray diffraction analyses indicated that ZnS films have cubic structure with (111) preferential orientation, whereas the diffraction patterns sharpen ... إقراء المزيد

2018-09-25 00:42:41 الكلمات المفتاحية Maintenance, Pavement, Distresses, , Distresses, Management System, Survey, Ranking,
Developing Pavement Maintenance Management System (PMMS) for Small Cities, Aswan City Case Study
A pavement maintenance management system (PMMS) was developed for the city of Aswan as a model of a small city to provide the road maintenance department in Aswan city with the capabilities for comprehensive planning of the maintenance activities needed to put the internal pavement network into desired physical condition in view of maintenance budget constraints. The developed system consists ... إقراء المزيد

2021-07-01 00:01:06 الكلمات المفتاحية Thermal ageing, Light ageing, ,
The Effect of the Accelerated Laboratory Ageing Factors on Linen Textiles Dyed with Turmeric Dye
Archaeological linen textiles in uncontrolled museums are exposed to many different damage factors. It is noticed in some Egyptian Museums that the differences in temperature and use of inappropriate light bulbs are the most enemies of dyed historical textiles. This article presents interesting results about the effect thermal and light ageing on optical,chemical and mechanical characterization of dyed linen textiles. ... إقراء المزيد