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      • Digitalizing Smart Cities Through Artificial Intelligence

        Fahim Ali,Atif Ali,Hina Naseem,Syed Hassan Raza,Mafia Rasheed 한국차세대컴퓨팅학회 2022 한국차세대컴퓨팅학회 학술대회 Vol.2022 No.10

        The growth rate of construction is increasing every year. The sustainable development of territories is becoming a problematic field for solving the strategic tasks of urban development; however, at the same time, the requirements for the standard of living, the safety of citizens, and the adaptability of tasks to the fast pace of urban life and a favorable environmental situation are also increasing. In addition, digitalization is rapidly penetrating all spheres of human life and can become the key to solving problems related to urban infrastructure development. The development and digitalization of regions require a special approach. During the study, artificial intelligence technologies are considered the central link in managing the digital processes of smart cities an analysis is made of experiences in implementing the concept of a smart city in life and the chains of interconnection between artificial intelligence technologies and relevant digital achievements of smart cities. Such an approach will form the main vector of the city design movement, where each person will feel safe and comfortable. The environmental situation against the background of intelligent systems will be protected from the negative anthropological factor.

      • KCI등재
      • KCI등재

        Fluid heating in a nano-scale Poiseuille flow: A non-equilibrium molecular dynamics study

        Fahim Faraji,Ali Rajabpour 한국물리학회 2017 Current Applied Physics Vol.17 No.12

        In this paper we develop a non-equilibrium molecular dynamics computer simulation to study the fluid heating in a nano scale Poiseuille flow system and discuss the effects of the fluid-wall interaction strength and wall temperature on the fluid heating. We calculate the fluid temperature distribution, as well as the heat flux from the fluid towards the walls and the interfacial thermal resistance and discuss the variations of the fluid heating caused by the viscous and surface frictions as the fluid-wall interaction strength and wall temperature vary. It is found that as the fluid-wall interactions strengthen, the fluid heating diminishes. In weak interactions, the heat flux from the fluid to the wall is almost independent of the wall temperature while the interfacial thermal resistance decreases with increased wall temperature and the surface friction is the major contribution to the fluid heating; in contrast, in large interactions, both the heat flux and thermal resistance increase with increased wall temperature and the viscous friction is the major contribution to the fluid heating.

      • KCI등재

        Temperature profile for nanoscale Poiseuille flow: a multiscale study

        Fahim Faraji,Ali Rajabpour,Farshad Kowsary 대한기계학회 2016 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.30 No.2

        In this study, we calculated the temperature profile for a nanoscopic Poiseuille flow system via two methods. The first method involved employing the tools of Molecular dynamics (MD) simulation, and the second method involved solving Navier’s equation analytically while the rates of fluid dynamic viscosity and thermal conductivity were calculated through MD. We used a temperature jump model as the boundary condition required for the latter method, which was also calculated through MD. We repeated the calculations for various amounts of wall temperature and fluid-wall interaction strength, and we observed a satisfactory agreement between the results of the two methods.

      • KCI등재

        Improved corrosion resistance of mild steel against acid activation: Impact of novel Elaeis guineensis and silver nanoparticles

        Mohammad Ali Asaad,Noor Nabilah Sarbini,Arizu Sulaiman,Mohammad Ismail,Ghasan Fahim Huseien,Zaiton Abdul Majid,Pandian Bothi Raja 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.63 No.-

        Influence of novel green Elaeis guineensis (EG) and silver nanoparticles (AgNPs) on the improved corrosion resistance of mild steel against acute acid attack is reported. Such EG/AgNPs were synthesized from palm oil leaf extracts and used as inhibitor with varying contents to inspect the feasibility of modifying the acid (1 M HCl(aq)) mediated anti-corrosion behaviour of mild steel. The structural and morphological properties of the extracted EG/AgNPs inhibitor (in powder form) were determined using TEM, XRD, and EDX analyses. Furthermore, the acid solution exposed mild steel specimens were characterized via FESEM, EDX, AFM, XRD, weight loss, polarization and electrochemical impedance measurements. Mild steel surface was found to adsorb the EG/AgNPs and formed a protective film advantageous for inhibiting the acid attack. Steel specimen incorporated with 10% (v/v) of EG/AgNPs inhibitor revealed maximum inhibition efficiency of 94.1%.

      • KCI등재

        Effects of Maillard reaction on physicochemical and functional properties of walnut protein isolate

        Sahibzada Fahim Ullah,Nasir Mehmood Khan,Farman Ali,Shujaat Ahmad,Zia Ullah Khan,Noor Rehman,Abdul Khaliq Jan,Nawshad Muhammad 한국식품과학회 2019 Food Science and Biotechnology Vol.28 No.5

        In this study, the Maillard reaction (MR) ofglucose was applied to improve the physicochemical andfunctional properties of walnut protein isolate (WNPI). TheMR products (MRPs) were prepared with glucose at 0 h(MRP0), 1 h (MRP1), 2 h (MRP2) and 3 h (MRP3) heatingat 95 C. The Infra-Red spectrum showed reduction ofamide and S–H functionalities in MRPs with completeintermixing of glucose in MRP3. Scanning electronmicroscopy indicated changes in the morphology of MRP3which also exhibited promising antioxidant effect. Significantdecrease (P\0.05) in hydrophobicity values (Ho)and increase (P\0.05) in emulsifying activity/emulsifyingstability indexes values were observed for MRPs. Uniform droplet distribution was observed in microscopyof emulsions while an increase in the interfacial proteinconcentration (U) was obtained for MRPs. These resultssuggest that MR is useful in improving the utilization ofthis protein in food product development.

      • KCI등재

        Sodium(I)zinc(II) heteropolynuclear complex, crystal structure of a novel 2-D polymer, precursor for preparation of ZnO nanoparticles

        Fatemeh Molaei,Fahime Bigdeli,Ali Morsali 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.24 No.-

        A new coordination polymer, [Zn2Na4(CH3COO)8H2O]n (1) has been synthesized and characterized by IR spectroscopy. The single crystal X-ray data of compound 1 shows that this coordination polymer grows in two dimensions. Also, the ZnO nanoparticles has been synthesized by thermolysis of compound 1 in oleic acid, calcination at 500 and 600 8C under air atmosphere and sol–gel processes. Nanoparticles were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Thermal stability of compound 1 was carried out by thermal gravimetric (TG) and differential thermal analysis (DTA). The zinc(II) oxide nanoparticles were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM).

      • KCI등재

        Sports injuries: a 5-year review of admissions at a major trauma center in the United Kingdom

        Hassan Ahmad Hammad,Gharooni Aref-Ali,Mee Harry,Geffner James,Fahim Anwar 대한외상학회 2023 大韓外傷學會誌 Vol.36 No.1

        Purpose: Sports offer several health benefits but are not free of injury risk. Activity dynamics vary across sports, impacting the injury profile and thereby influencing healthcare resource utilization and health outcomes. The purpose of this study was to investigate sports-related major trauma cases and compare differences across sports and activity groups. Methods: A retrospective case notes review of sports-related major traumas over a 5-year period was conducted. Demographic, hospital episode-related, and health outcome-related data were analyzed, and differences were compared across sports and activity groups. The Glasgow Outcome Scale (GOS) at discharge was used as the primary outcome measure and the length of hospital stay as the secondary outcome measure. Results: In total, 76% of cases had good recovery at discharge (GOS, 5), 19% had moderate disability (GOS, 4), and 5% had severe disability (GOS, 3). The mean length of hospital stay was 11.2 days (range, 1–121 days). The most severely injured body region was the limbs (29.1%) and vertebral/spinal injuries were most common (33%) in terms of location. A significant difference (P<0.05) existed in GOS across sports groups, with motor sports having the lowest GOS. However, no significant differences (P>0.05) were found in other health-outcome variables or injury patterns across sports or activity groups, although more competitive sports cases (67%) required admission than recreational sports cases (33%). Conclusions: Spinal injuries are the most frequent sports injuries, bear the worst health outcomes, and warrant better preventive measures. Head injuries previously dominated the worst outcomes; this change is likely due to better preventive and management modalities. Competitive sports had a higher injury frequency than recreational sports, but no difference in health outcomes or injury patterns.

      • SCOPUSKCI등재

        Pregnancy outcomes following the administration of high doses of dexamethasone in early pregnancy

        Ahmadabad, Hasan Namdar,Jafari, Sabah Kayvan,Firizi, Maryam Nezafat,Abbaspour, Ali Reza,Gharib, Fahime Ghafoori,Ghobadi, Yusef,Gholizadeh, Samira The Korean Society for Reproductive Medicine 2016 Clinical and Experimental Reproductive Medicine Vol.43 No.1

        Objective: In the present study, we aimed to evaluate the effects of high doses of dexamethasone (DEX) in early pregnancy on pregnancy outcomes. Methods: Pregnant BALB/c mice were treated with high-dose DEX in the experimental group or saline in the control group on gestational days (GDs) 0.5 to 4.5. Pregnant mice were sacrificed on GDs 7.5, 13.5, or 18.5 and their peripheral blood, placentas, fetuses, and uterine tissue were collected. Decidual and placenta cell supernatants were examined to evaluate the effect of DEX on the proliferation of mononuclear cells, the quantity of uterine macrophages and uterine natural killer (uNK) cells, and levels of progesterone and $17{\beta}-estradiol$, as determined by an 3-(4,5-dimethylthiazole-2-yl)-2,5-diphenyltetrazolium bromide assay, immunohistochemistry, and enzyme-linked immunosorbent assay, respectively. We also were measured fetal and placental growth parameters on GD 18.5. Results: We found that high doses of DEX were associated with an increased abortion rate, enhancement of the immunosuppressive effect of the decidua, alterations in placental growth parameters, decreased progesterone and $17{\beta}-estradiol$ levels, and a reduced frequency of macrophages and uNK cells. Conclusion: Our data suggest that the high-dose administration of DEX during early pregnancy negatively affected pregnancy outcomes.

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