An-Najah National University

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Total Users: 483 | Published Articles: 2945 | General Posts: 185 | Total Comments: 7629

  • On Thursday, August 6, 2015 Naji Qatanani wrote:
  • Numerical Methods for Solving Fuzzy Fredholm Integral Equation of the Second Kind
  • Published at:International Journal of Applied Mathematics, Vol.28, No.3, 2015,177-195
  • In this article some numerical methods, namely: the Taylor expansion method and the Trapezoidal method have been implemented to solve a fuzzy Fredholm integral equation of the second kind. Consequently, we convert a linear fuzzy Fredholm integral equation of the second kind into a linear system of integral equations of the second kind in crisp case. To demonstrate the credibility of these numerical schemes we consider a numerical test examlple. The numerical results show to be in a close agreement with the exact solution.
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  • On Saturday, February 21, 2015 Abdelrahim Abusafa wrote:
  • Potential of Biomass as an Alternative Fuel in Palestine- Amounts and methods of conversion
  • Published at:Fifth international Energy Conference, Ramallah, Palestine, 2015
  • these days, there is much talk about the alternative fuel and clean-burning as an alternative for petrol. Palestine is known to be very poor country in terms of fossil fuel resources. At the same time, energy alternatives are not defined well specially the non-conventional types such as biomass. Biomass can be defined as material which is recently derived from animals, and plants that use sunlight to grow.
    In this research, all types and amount of biomass that exist in Palestine that can be used as an alternative fuel for petrol was analyzed  and defined by a comprehensive field survey. The sources of clean and alternative energy which depend on the biomass using traditional and new technologies were discussed.
    This research aims to investigate the biomass and new process to find out a durable and a reliable alternative energy source for Palestinians.
    All results in this study showed biomass waste can be used to produce a new energy source in the form of clean fuel and high efficienc
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  • On Tuesday, November 25, 2014 Nidal Amin Ahmad Jaradat wrote:
  • Anti-allergic Effect of Thymus serpyllum on Ova Albumin-Induced Asthma in
  • Published at:International Journal for Pharmaceutical
    Herbalism has a long tradition of use outside of conventional medicine even before recorded history. It is becoming more mainstream as improvements in analysis and quality control along with advances in clinical research show the value of herbal medicine in the treating and preventing inflammatory and other diseases. This focuses the attention on the possibility of the presence of anti-allergic compounds in the extracts of some plants that may help control common allergic diseases including asthma. To test the possible anti-allergic and prophylactic effects of the aqueous extract of Thymus serpyllum L. (Ts) on ovalbumin-induced asthma clinical and hematological parameters in Syrian hamster models
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  • On Tuesday, November 25, 2014 Nidal Amin Ahmad Jaradat wrote:
  • Synthesis of Naproxen pro-drugs for enhanced transdermal absorption
  • Published at:Journal of Chemical and Pharmaceutical Research, 2014, 6(8):1-4
  • Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) such as Naproxen have been used for a long time for the
    treatment of acute and chronic inflammation conditions. However, the oral administration of NSAIDs for a long
    time can cause gastric mucosal damage, which may result in ulceration and bleeding. Therefore, the development of
    a transdermal drug delivery (TDD) system of NSAIDs is of a great interest as it decreases GIT side effect and
    provides a constant release of drug in a determined period of time.

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  • On Tuesday, November 25, 2014 Nidal Amin Ahmad Jaradat wrote:
  • Published at:Int J Pharm Pharm Sci
    Objective: The objectives of the study were to identify the rate of using hair dyes among Palestinian women, preferences, motivations and attitudes towards their use.
    Methods: A cross-sectional study was conducted between May and July 2011. A self-administered questionnaire was used.
    Results: Among 200 females interviewed, 149 (74.5%) said that they used hair dyes. Their reasons were to hide gray hair in 35 (23.5%), to improve the outlook in 36 (24.2%), and to change and to follow the new trends in 78 (52.3%). Natural dyes (henna) were the choice for 38.9%. The main reason behind the preference of natural dyes was the belief they are safer than chemical dyes. A small percentage used hair dyes during pregnancy, and 21.5% thought that hair dyes may cause cancer.

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  • On Tuesday, November 25, 2014 Nidal Amin Ahmad Jaradat wrote:
  • Interchangeability between paracetamol tablets marketed in Palestine. Is there a quality reason for ahigher price?
  • Published at:Eastern Mediterranean Health Journal
  • ABSTRACT The objective of this study was to evaluate the quality of 10 commercial paracetamol products
    available on the Palestinian market. We carried out a survey on the price of all paracetamol tablet products and
    assessed their quality. To assess quality, all products were examined visually for their organoleptic properties,
    tested for weight uniformity, friability, disintegration, and dissolution profile, and assayed for paracetamol
    content. All imported products were 2 to 3 times more expensive than the locally produced generic products.
    Based on our testing procedure, all paracetamol products were equivalent to the innovator product except for 1
    imported product which fell below the approved specifications developed for the innovator product

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  • On Friday, April 18, 2014 Hamzeh M. ALZABADI; BSc wrote:
  • Evaluation of Darkroom disease\'s symptoms among radiographers in the West Bank hospitals: a cross-sectional study in Palestine
  • Published at:Journal of Occupational Medicine and Toxicology 2014, 9:15 doi:10.1186/1745-6673-9-15
  • Background Radiographers report many unexplained work related symptoms attributed to \"darkroom disease symptoms\" such as headache, skin rash, mouth sores, blurred vision, palpitation, and chemical taste. The aim of the present study was to assess the prevalence of occupationally-related darkroom disease symptoms among male radiographers in the West Bank hospitals.
    Methods A cross sectional study was conducted on a non-random purposive sample of male radiographers (study group) and nurses (control group) using a previously validated and standardized questionnaire.
    Results We were able to recruit 330 radiographers and 242 nurses. Data analysis showed that the majority of both groups aged between (36-43) years. Furthermore, the differences in the reported prevalence of symptoms among radiographers showed a statistically significant higher percentage for each reported symptom compared to nurses (P-values <0.001). In multivariate linear regression, staying more than
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  • On Saturday, March 15, 2014 Rateb Aref Abedl-Fattah Othman wrote:
  • The prevalence and the species of Eimeria oocysts in 180 fecal samples of immature and adult domestic Awassi sheep were screened in 16 farms in four provinces northern Palestine, the overall incidence of the all types of coccidian oocysts was 68.75%. The prevalence of the oocysts in was significantly higher (p<0.05) in farms in Tubas (mean 100%) compared to Jenin (mean 75%), Nablus (mean 50%) and Tulkarem (mean 50%). The prevalence of the oocysts was significantly higher (p<0.05) in immature sheep (less than one year) with mean of 60% compared to adult sheep (more than a year) with mean of 40%. Eight species of Eimeria were indentified, they (and their prevalence) were E. Crandalis (18.88%), E. Parva (14.44%), E. Intricata (12.77%), E. Ovina (10%), E. Ahsata (8.88%), E. Ovinoidalis (8.33%), E. Pallida (7.22%) and E. Faurei )%6666(, a single infection was not observed, all of the infected sheep had mixed infections with two to five species.
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