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- 저자 : Haitham Almansour (검색결과 2 건)
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The Effect of Inflation on Performance
Ammar Yaser ALMANSOUR,Haitham Mohammad ALZOUBI,Bashar Yaser ALMANSOUR,Yaser Mansour ALMANSOUR 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.6
This paper aims to investigate the effect of inflation trends on the performance of the banking sector in Jordan., with data from five Jordanina listed banks in Amman Stock Exchange over the period of 2009–2019. The performance indicators employed in this study are return on assets, return on investment, and margin of net interest. Our empirical strategy for this quantitative approach employ regression analysis to explore th influential of inflation on banks’ performance. The results of descriptive statistics show that the banks’ performance in Jordan has increased gradually during the period 2015 to 2018, meaning that banking sector had performed of this study effeciantly during the period of study regardless of the increasing of inflation rate in the country. Generally, our results show that there is a strong and negative relationship between inflation rate and banks’ performance. In addition, the results show that the Banks’ performances are significantly affected by inflation. Interested parties may pay attention to other macroeconomic variables to investigate the impact of the macroeconomic factors on Banks’ performance. Future research shall consider not only bankin sector but other sectors in the financial market.
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Omar Alageel,Omar Alsadon,Haitham Almansour,Abdullah Alshehri,Fares Alhabbad,Majed Alsarani 대한치과보철학회 2022 The Journal of Advanced Prosthodontics Vol.14 No.6
PURPOSE. This study assessed the physical and mechanical properties of interim crown materials fabricated using various digital techniques after accelerated aging. MATERIALS AND METHODS. Three groups of interim dental restorative materials (N = 20) were tested. The first group (CO) was fabricated using a conventional manual method. The second group (ML) was prepared from prefabricated resin blocks for the milling method and cut into specimensizes using a cutting disc. The third group (3D) was additively manufactured using a digital light-processing (DLP) 3D printer. Aging acceleration treatments using toothbrushing and thermocycling simulators were applied to half of the specimens corresponding to three years of usage in the oral environment (N = 10). Surface roughness (Ra), Vickers microhardness, 3-point bending, sorption, and solubility tests were performed. A 2-way analysis of variance (ANOVA) and Fisher’s multiple comparison test were used to compare the results among the groups. RESULTS. The mean surface roughness (Ra) of the resin after accelerated aging was significantly higher in the CO and ML groups than that before aging, but not in the 3D group. All groups showed reduced hardness after accelerated aging. The flexural strength values were highest in the 3D group, followed by the ML and CO groups after accelerated aging. Accelerated aging significantly reduced water sorption in the ML group. CONCLUSION. According to the tested material and 3D printer type, both 3D-printed and milled interim restoration resins showed higher flexural strength and modulus, and lower surface roughness than those prepared by the conventional method after accelerated aging.
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