780 results for "Muhammad Ashraf"
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Numerical Simulation of Micropolar Flow in a Channel under Osciatory Pressure Gradient
We numerically investigate the pulsatile flow and heat transfer of a micropolar fluid through a Darcy-Forchhmeir porous channel in the presence of wall transpiration. We use the central difference approximations for the spatial derivatives, whereas the time integration has been performed by…
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Prevalence of periodontal disease, its association with systemic diseases and prevention
Periodontal diseases are prevalent both in developed and developing countries and affect about 20-50% of global population. High prevalence of periodontal disease in adolescents, adults, and older individuals makes it a public health concern. Several risk factors such as smoking, poor oral hygiene…
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Predictors of Routine Dental Check-up Among Male Adolescents in Saudi Arabia
OBJECTIVE: To evaluate the association of socioeconomic factors and self-perceived oral conditions with routine dental check-up among male adolescents. METHODS: This cross-sectional study was conducted on male children (grade 10-12) from public schools in different cities of the Eastern province of…
Also available at: DOAJ
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Monthly and seasonal prevalence of asthma and chronic obstructive pulmonary disease in the District Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan
BACKGROUND: Asthma and chronic obstructive pulmonary disease are the major airway diseases and are increasingly important causes of mortality, morbidity, and disability globally. This cross-sectional study was conducted to determine monthly and seasonal patterns of asthma and chronic obstructive…
Also available at: DOAJ
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E-learning in higher education institutions during COVID-19 pandemic: current and future trends through bibliometric analysis
The purpose of this study is to provide a comprehensive review of e-learning in higher education institutions (HEIs) during the COVID-19 pandemic. This study presents current research issues and future progress in HEIs e-learning in the wake of the COVID-19 pandemic from 2019 to 2020 through the…
Also available at: DOAJ
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Epidemiological studies on gastroenteritis in children in the Bannu district, Khyber Pakhtunkhwa, Pakistan
AIMS: Gastroenteritis is a digestive disorder among children with symptoms of abdominal cramps, diarrhoea, and vomiting. This study aimed to determine the prevalence of gastroenteritis in children in the Bannu district in 2019, and also contributed for adopting preventive measures to reduce…
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Ascorbic Acid-A Potential Oxidant Scavenger and Its Role in Plant Development and Abiotic Stress Tolerance
Over-production of reactive oxygen species (ROS) in plants under stress conditions is a common phenomenon. Plants tend to counter this problem through their ability to synthesize ROS neutralizing substances including non-enzymatic and enzymatic antioxidants. In this context, ascorbic acid (AsA) is…
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Influence of Austempering Heat Treatment on Ductile Iron
In this present work the influence of austempering heat treatment was studied on ductile iron. Medium frequency induction furnace was used to make casting samples. Austempered Ductile Iron (ADI), which is a relatively new material is produced by the process of austempering heat treatment. ADI…
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Epidemiology of Malaria in Kot Kashmir and Serai Gambila (District Lakki Marwat), Khyber Pakhtunkhwa, Pakistan
Background and Objectives: Malaria is one of the serious infections worldwide and is a global major health concern. The preset study aimed to determine the prevalence of malaria in Kot Kashmir (during 2017–2018) and Serai Gambila (in 2015) in the District Lakki Marwat. Methods: The retrospective…
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Prevalence of pulmonary tuberculosis in the District Bannu, Khyber Pakhtunkhwa, Pakistan
Aim/Objectives/Background Pulmonary tuberculosis is one of the major threats to human health and is the leading cause of death worldwide. Mycobacterium tuberculosis causes the disease in humans. The present study deals with to determine the prevalence of pulmonary tuberculosis in the general…
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Dark tourism: a bibliometric review of the past, present and future trends
Purpose – The purpose of this study is to critically review the knowledge structure of dark tourism. It is an emerging tourism attraction, but one that has received less attention in the literature. The fundamental difference between dark tourism and other forms of tourism is the deeply rooted…
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Comparative prevalence of different types of viral hepatitis in the district Dera Ismail Khan, Khyber Pakhtunkhwa, Pakistan
Abstract Background Viral hepatitis causes both liver inflammation and damage and is a serious health problem. Methods The indoor data of different types of hepatitis were collected from the official records of the administration of District Head Quarter Hospital Dera Ismail Khan for 2 years…
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Prevalence of classified groups of health problems in the local, internally displaced persons, and Afghan people in the District Bannu, Khyber Pakhtunkhwa, Pakistan
Background: Health problems are one of the global concerns and affected mostly human well-being and performance. Aims: The current study determined the prevalence of different classified groups of health problems in the local, internally displaced persons, and Afghan people living in Bannu during…
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Epidemiological studies on lower respiratory tract infection in children in the District Bannu, Khyber Pakhtunkhwa, Pakistan
Abstract Background Lower respiratory tract infections are the leading cause of death in children globally and are transmitted by inhaling airborne droplets. The study demonstrated the prevalence of lower respiratory tract infections in children admitted to the Women and Children Hospital Bannu…