introduction: diarrheal diseases are a serious health problem and important causes of growth retardation and death in the developing world, especially those of prolonged duration. since diarrhea is constantly found in children with zinc deficiency, very studies supported zinc supplements beneficial on the duration and severity of diarrhea among children. we review the impact of zinc effects on ...

We consider minimal time and minimal norm of the optimal controls for a multi-dimensional internally controlled heat equation with control domain varying over a class of open sets. Twoproblems are formulated separately into different types of shape optimization problems over this open set class. The governing equation with any given initial value and admissible control are considered as constra...

Saudi Arabia (officially, Kingdom of Saudi Arabia) was established as a sovereign country in 1932, by its founder King Abdulaziz Al-Saud who led a successful campaign that lasted 30 years following the conquest of Riyadh (official capital) to unite large swathes of the Arabian Peninsula. With an area of 2,150,000 km, Saudi Arabia occupies 80% of historical Arabia and is the 13th largest country...

The hamadryas baboon (Papio hamadryas hamadryas) is found both in East Africa and western Arabia and is the only free-ranging nonhuman primate in Arabia. It has been hypothesized that hamadryas baboons colonized Arabia in the recent past and were possibly even transported there by humans. We investigated the phylogeography of hamadryas baboons by sequencing a portion of the control region of mt...

Background: Aedes aegypti is the main vector of the yellow fever and dengue virus. This mosquito has become the major indirect cause of morbidity and mortality of the human worldwide. Dengue virus activity has been reported recently in the western areas of Saudi Arabia. There is no vaccine for dengue virus until now, and the control of the disease depends on the control of the vector. Objectiv...

Production and properties of charcoal from four years old Acacia assak, A. negrii, A. seyal, A. karroo, A. ampliceps, A. stenophylla and A. salicina grown in the Experiments and Research Station, College of Agriculture, King Saud University, Riyadh, Saudi Arabia were studied. The first three species are indigenous while the others are exotic. 21 trees were felled and disks of 20 cm each from th...

Autism spectrum disorder (ASD) is a common neuro-developmental in children who require special oral health care. ASD Children with uncontrolled body movements, impaired social interaction and intellectual disabilities are commonly treated the normal dental clinics. The professionals our region did not cover any previous training about this during their studies they have different experiences de...

1 Faculty of Computer Science and IS, Universiti Teknologi Malaysia (UTM), Skudai Johor, Malaysia. 2 Department of Software Engineering, College of Computer and Information Sciences, King Saud University, Saudi Arabia. 3 Center of Excellence in Information Assurance, King Saud University, Saudi Arabia. 4 Department of Information Systems, College of Computer and Information Sciences, King Saud ...

Eleven species in three genera from Saudi Arabia are listed. Macroocula riyadha Gadallah & Pagliano, spec. nov. is described and figured. Apterogyna mateui Giner Marí, 1945, Macroocula nitida nitida (Bischoff, 1920) are newly recorded from Arabian Peninsula and Saudi Arabia, Macroocula magna (Invrea, 1965) is newly recorded from Saudi Arabia.