Ahmed Ali Ahmed El-Khatib اد/ احمد الخطيب

Professor -

Faculty of science

Address: سوهاج ، مصر



Publications Which contain the keyword: Egypt

Management of cleft lip and palate in Egypt: A national survey
Background: Variable protocols for the management of cleft lip and/or palate (CLP) patients are currently used. However, to our knowledge, there are no previously published data about cleft management and practice in Egypt. Materials and Methods: One‑hundred questionnaires were distributed to cleft surgeons attending the annual meeting of the Egyptian Society of Plastic and Reconstructive Surgeons in March 2016 to ... Read more

2018-11-05 11:13:19 Keywords Educational Development, Egypt,
the Economic and Educational Development in Egypt

2018-11-09 17:18:54 Keywords Japan, Egypt, suaeda maritima, superoxide dismutase genes,
Characterization of the superoxide dismutase genes of the halophyte Suaeda maritima in Japan and Egypt
The expression characteristics of superoxide dismutase (SOD; EC isozyme genes from halophytic _Suaeda marit__ima_ plants native to Japan and Egypt were analyzed using young plants grown under aseptic conditions. A phylogenetic tree based on internal transcribed spacer sequences suggested that Egyptian _S_. _maritima_ is related to European and India _S_. _maritima_, while Japanese _S_. _maritima_ belongs to a separate ... Read more

2018-11-09 17:29:30 Keywords Egypt, common weed, biomonitor, ozone, Weeds, Ascorbic Acid,
The response of some common Egyptian plants to ozone and their use as biomonitors
Relative sensitivity of five common Egyptian plant species namely, _Senecio vulgaris, Malva parviflora, Sonchus oleraceus_, _Medicago sativa_ and _Melilotus indicus_ to elevated levels of ozone has been studied. The plants were exposed to charcoal filtered air (CFA) and different levels of O3 (50 and 100 ppb) for 5 h per day. The studied parameters were recorded for five consecutive days ... Read more

2018-10-31 01:42:36 Keywords Egypt, FGM,
Female genital mutilation in Upper Egypt during the new millennium
_OBJECTIVE:_ To assess the influence of criminalization law on the prevalence and proportion of female genital mutilation (FGM) and evaluate the attitude of population and health providers towards FGM. _STUDY DESIGN:_ Cross sectional study. _PATIENTS AND METHODS:_ All females aged 5-25 years who attended Sohag and Qena University hospitals between September 15, 2008 and September 15, 2010 and health providers ... Read more

2018-10-25 18:40:55 Keywords Sustainable development, irrigation, Egypt,
Sustainable economic management of irrigation water in Egypt : challenges and opportunities
Egypt has limited water resources. It depends mainly on the Nile water with an annual share 55.5 km3/yr. Although, the water resources in Egypt equaled about 70.9 km3 in 2007,most of them were indirectly related to the Nile water; most of the groundwater from the Nile valley and Delta, reuse of agricultural drainage water, and treated wastewater. Thus, the Nile ... Read more

2018-10-25 18:56:24 Keywords Threat, water shortage, Egypt, challenges, Opportunities,
The Threat of water shortage in Egypt - Challenges and Opportunities-
Egypt has a limited annual volume of water. Water resources can be divided into two kinds: (i) Conventional resources which include the Nile River water, groundwater, and rainfall and floods harvest. (ii) Unconventional resources which include reuse of agricultural drainage water, treated wastewater, and desalinated water. Table 2.1 shows that the Nile River is the main source of water in ... Read more

2018-10-25 19:02:52 Keywords Egypt, water shortage, irrigation, economic impacts,
Economic Impacts of Irrigation Water Shortage – A Case Study of Two Villages in Egypt
To evaluate the different situations of irrigation process in the first and last parts of irrigation network in Upper and Northern Egypt respectively, the study focused on the two villages. Firstly, West Alsawamah Village is located in the first part of irrigation network (Upper Egypt). Secondly, Elarkoub Village is located in the last part of irrigation network (Northern Egypt). Figure ... Read more

2018-10-25 19:13:36 Keywords Egypt, water shortage, irrigation, winter crops, production,
Production of Main Winter Crops under Irrigation Water Shortage – A Case Study of Two Villages in Egypt-
Egypt suffers from water shortage. Rainfall is very low, and it is irregular and unpredictable. The available water from the Nile River is limited (55.5 BCM/yr). Because the irrigation water is the most important input for crops production; the irrigation water shortage affects strongly both the productivity and profitability of the main winter crops in Egypt. This study tries to ... Read more