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experimental design of paraffin/methylated melamine-formaldehyde microencapsulated composite phase change material and the application in battery thermal management system

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Journal of Materials Science & Technology 2024年第2期169卷 124-136页

作者： Que Huang Silong Wang Jichun He Dengji Xu Safaa NAbdou mohamed MIbrahim Shiqi Sun Yanjun Chen Handong Li Ben Bin Xu Changcheng Liu Zeinhom M.el-Bahy Zhanhu Guo School of environment and Safety engineering North University of ChinaTaiyuan 030051China Institute of Advanced energy Materials and Systems North University of ChinaTaiyuan 030051China School of Resources and Safety engineering Central South UniversityChangsha 410010China School of Medical and BioInformation engineering Northeastern UniversityShenyang 110819China Department of Chemistry Khurmah University CollegeTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia Department of Chemistry College of ScienceTaif UniversityP.O.Box 11099Taif 21944Saudi Arabia Mechanical and Construction engineering Faculty of Engineering and EnvironmentNorthumbria UniversityNewcastle Upon Tyne NE18STUK College of Materials Science and engineering Taiyuan University of Science and TechnologyTaiyuan 030024China Department of Chemistry Faculty of ScienceAl-Azhar UniversityNasr City 11884CairoEgypt

In order to maintain the optimal operating temperature of the battery surface and meet the demand for thermal storage technology,battery thermal management system based on phase change materials has attracted increasing *** this work,a kind of core-shell structured microcapsule was synthesized by an in-situ polymerization,where paraffin was used as the core,while methanol was applied to mod-ify the melamine-formaldehyde shell to reduce toxicity and improve thermal ***,three different types of heat conductive fillers with the same content of 10 wt.%,i.e.,nano-Al_(2)O_(3),nano-ZnO and carbon nanotubes were added,generating *** microcapsules were uniform,and were not affected by the thermal fillers,which were evenly dispersed *** composite sample with carbon nanotubes(10 wt.%)showed the highest thermal conductivity of 0.50 W/(m K)and latent heat of 139.64 J/***,according to the leakage testing and battery charge/discharge experiments,compared with Al_(2)O_(3)and ZnO,the addition of carbon nanotubes remarkably enhances the heat storage ability as latent heat from 126.98 J/g for the prepared sample with Al_(2)O_(3)and 125.86 J/g for the one with ZnO,then to 139.64 J/g,as well as dissipation performance as a cooling effect by decreasing the sur-face temperature of battery from 2%to 12%of microcapsule,composite sample with carbon nanotubes presents a broad application prospect in battery thermal management system and energy storage field.

关键词： Microcapsule Phase change material Battery Carbon nanotube Safety

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Phytochemical characterization of polyphenolic compounds with HPLC–DAD–eSI–MS and evaluation of lipid-lowering capacity of aqueous extracts from Saharan plant Anabasis aretioides(Coss & Moq.) in normal and streptozotocin-induced diabetic rats

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Journal of Integrative Medicine 2018年第3期16卷 185-191页

作者： Omar farid farid Khallouki Morad Akdad Andrea Breuer Robert Wyn Owen mohamed eddouks Team of Physiology & endocrine Pharmacology Faculty of Sciences and Techniques Errachidia Moulay Ismail University Division of Preventive Oncology National Center for Tumor Diseases Im Neuenheimer Feld 460 German Cancer Research Center (DKFZ)

Objective： Anabasis aretioides （Coss ＆ Moq.）, a Saharan plant belonging to Chenopodiaceae family, is widely distributed in semi-desert areas from the Tafilalet region of Morocco. This plant is extensively used by local population against diabetes and cardiovascular disorders. The purpose of the study was to investigate the effect of the aqueous A. aretioides extract on lipid metabolism in normal and strepto-zotocin （STZ）-induced diabetic rats and to identify the polyphenolic compounds present. In addition, the in vitro antioxidant activity of the aqueous A. aretioides extract was also evaluated. Methods： The effect of an aerial part aqueous extract （APAe） ofA. aretioides （5 mg/kg of lyophilized A. are-tioides APAe） on plasma lipid profile was investigated in normal and STZ-induced diabetic rats （n = 6） after once daily oral administration for 15 days. The aqueous extract was tested for its 1,1-diphenyl-2-picrylhydrazyl （DPPH） radical-scavenging activity. Polyphenolic compounds in the extracts were defini-tively characterized by high-performance liquid chromatography-diode array detection-electrospray ionization-mass spectrometry. Results： In diabetic rats, oral administration ofA. aretioides APAe provoked a significant decrease in both plasma cholesterol and triglyceride levels from the first to the second week （P 〈 0.01）. A significant decrease on plasma triglyceride levels was also observed in normal rats （P 〈 0.01）, where the reduction was 53%. In addition, the phytochemical analysis revealed the presence of 12 polyphenolic compounds. Moreover, according to the DPPH radical-scavenging activity, the aqueous extract showed an in vitro antioxidant activity. Conclusion： Aqueous A. aretioides APAe exhibits lipid-lowering and in vitro antioxidant activities. Many polyphenols were present in this extract and these phytoconstituents may be involved in the pharmaco-logical activity of this plant.

关键词： Anabasis aretioides 1,1-Diphenyl-2-picrylhydrazyl Antioxidant activity Phytochemical analysis Lipid metabolism Polyphenolic compounds

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Hydraulic and volume change behaviors of compacted highly expansive soil under cyclic wetting and drying

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Journal of Rock Mechanics and Geotechnical engineering 2023年第2期15卷 486-499页

作者： mohamed farid Abbas Abdullah Ali Shaker Mosleh A.Al-Shamrani Civil engineering Department College of EngineeringPrince Sattam bin Abdulaziz UniversityAl KharjSaudi Arabia Soil Mechanics and Geotechnical engineering Research Institute Housing and Building National Research Center(HBRC)GizaEgypt Bugshan Research Chair in expansive Soils Civil Engineering DepartmentCollege of EngineeringKing Saud UniversityRiyadhSaudi Arabia

The wide engineered application of compacted expansive soils necessitates understanding their behavior under field *** results of this study demonstrate how seasonal climatic variation and stress and boundary conditions individually or collectively influence the hydraulic and volume change behavior of compacted highly expansive *** cyclic wetting and drying(CWD)process was applied for two boundary conditions,*** stress(CS)and constant volume(CV),and for a wide range of axial stress *** adopted CWD process affected the hydraulic and volume change behaviors of expansive soils,with the first cycle of wetting and drying being the most *** CWD process under CS conditions resulted in shrinkage accumulation and reduction in saturated hydraulic conductivity(k sat).On the other hand,CWD under CV conditions caused a reduction of swell pressure while has almost no impact on k *** elastic response to CWD was achieved after the third cycle for saturated hydraulic conductivity(k sat),the third to fourth cycle for the volume change potential under the CV conditions,and the fourth to fifth cycle for the volume change potential under the CS ***,both swell pressure(s s)and saturated hydraulic conductivity(k sat)are not fundamental parameters of the expansive soil but rather depend on stress,boundary and wetting conditions.

关键词： expansive soils Hydraulic conductivity Volume change potential Cyclic wetting and drying(CWD) Swell pressure

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Community Knowledge about Bleeding Control in Jazan, KSA: Is There a Need for First Aid educational Programs

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Journal of Biosciences and Medicines 2024年第6期12卷 64-84页

作者： Md Mazharul Hoque Hamoud Yahya Alsuriha mohamed e. Moukhyer Bahja Siddig mohamed Mubarak Almaki Amna Moukhyer Fawaz Yahya Masswadi Mofareh Salman Harubi elias Yosef Modabish Talal Omar Khasawi Yaser Mohammed Hantool Mohammed Awaji Mohammed Madkhali Aziza Mukhayer emergency Medical Services Department Faculty of Applied Medical Sciences Jazan University Jazan Saudi Arabia emergency Room University Hospital Jazan University Jazan Saudi Arabia Public Health Programmes School of Medicine University of Limerick Limerick Ireland School of Medicine Ahfad University for Women Omdurman Sudan Department of Medical Laboratory Faculty of Applied Medical Sciences Jazan Jazan University Saudi Arabia Freelance Research Assistant Maastricht The Netherlands Department of Health Promotion University of Maastricht Maastricht The Netherland

The current study aimed to evaluate the first aid knowledge and general awareness of bleeding control, and their relations with different variables among the population of Jazan City, Saudi Arabia, in 2023. A cross-sectional study was conducted in Jazan City, Saudi Arabia between April 2023 and May 2023. Participants, >13 years old, living in Jazan City, were self-enrolled. Data collection was carried out by distributing a self-reported online survey questionnaire via email and social media apps. A validated, pretested online self-report questionnaire was used for data collection, with data analysis performed using (MS) excel 2022 and SPSS version 26. A Chi-square test was used to determine the association of sociodemographic variables and Bleeding Control (BC) knowledge with, significance set at p eted the questionnaire, predominantly aged between 16 - 25 years, with 152 (60.8%) being male, and about 90% being Saudi citizens. Only 53 (21.2%) participated in previous first aid training concentrating on bleeding control. Only 76 (30.4%) of participants had good knowledge, while 131 (52.4%) exhibited positive attitude towards BC first aid. There were no statistically significant associations between BC knowledge and age, gender, occupation, nationality, and education. However, a significant association was observed between previous BC training and knowledge (Chi-test = 40.373, d.f = 1, p = 0.000) at p e prevalence of poor knowledge of bleeding control among community members in Jazan City was high. The findings of this study should be carefully considered by various healthcare organizations to implement educational first-aid programs and activities aimed at enhancing community awareness and knowledge of bleeding control.

关键词： Injury Uncontrolled Bleeding First Aid Knowledge Attitude Jazan City

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exogenous application of bio-stimulants and growth retardants improve nutrient absorption and fiber quality in upland cotton

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Journal of Cotton Research 2024年第2期7卷 137-147页

作者： Al-Khayri Jameel M. Arif Muhammad Kareem Shadia Hama Salih Anwar Adeel Dehghanisanij Hossein emami Somayeh Yasmeen Azra Aftab Komal Negm mohamed Department of Agricultural Biotechnology College of Agriculture and Food SciencesKing Faisal University31982 Al‑AhsaSaudi Arabia Water Resources Zone Irrigation Department PunjabD.G.KhanPakistan Department of Biotechnology and Crop Science College of Agricultural Engineering SciencesUniversity of SulaimaniSulaimaniIraq Department of Agronomy PMAS-Arid Agriculture UniversityRawalpindiPakistan Agricultural Research Education and Extension OrganizationAgricultural Engineering Research InstituteKarajAlborzIran Department of Water engineering University of TabrizTabrizIran Department of Agronomy Bahauddin Zakariya UniversityMultanPakistan Department of Plant Breeding and Genetics Bahauddin Zakariya UniversityMultanPakistan Agricultural Research Center Cotton Research InstituteGiza 12619Egypt

Background Natural and synthetic plant growth regulators are essential for plant health,likewise these regulators also play a role in increasing organic production productivity and improving quality and yield *** the present study,we have evaluated the effects of foliar applied plant growth regulators,i.e.,moringa leaf extract(MLe)and mepiquat chloride(MC)alone and in combination MC and MLe on the conventional cotton cultivar(CIM 573)and transgenic one(CIM 598).The growth regulators were applied at the start of bloom,45 and 90 days after *** The application of MC and MLe at 90 days after blooming significantly improved the relative growth rate,net assimilation rate,the number of bolls per plant,and seed cotton ***,the combined application of MLe and MC at 90 days after blooming significantly boosted the nitrogen uptake in locules,as well as the phosphorus and potassium uptake in the leaves of both cotton *** application of MLe alone has considerably improved the nitrogen uptake in leaves,and phosphorus and potassium contents in locules of Bt and conventional cotton ***,Bt cotton treated with MLe at 90 days after blooming produced significantly higher ginning out turn and oil *** in combination(MLe+MC)at 90 days after blooming produced considerably higher micronaire value,fiber strength,and staple length in conventional *** The natural growth enhancer,MLe is a rich source of minerals and zeatin,improving the nutrient absorption and quality of cotton fiber in both conventional and Bt cotton cultivars.

关键词： Bio-stimulant Cotton Fiber quality Mepiquat chloride Moringa leaf extract Potassium accumulation Oil contents

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Mapping Structurally Controlled Alterations Sparked by Hydrothermal Activity in the Fatira–Abu Zawal Area,eastern Desert,egypt

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Acta Geologica Sinica(english edition) 2023年第2期97卷 662-680页

作者： mohamed BADAWI Mahmoud ABDeLATIF Ali SHeBL farid MAKROUM Ahmed SHALABY Norbert NéMeTH Institute of exploration Geosciences University of MiskolcMiskolc 3515Hungary Department of Geology Mansoura UniversityMansoura 35516Egypt Department of Geology South Valley UniversityQena 83523Egypt Department of Mineralogy and Geology University of DebrecenDebrecen 4032Hungary Department of Geology Tanta UniversityTanta 31527Egypt

The eastern Desert of egypt suffered a protracted period of deformation triggered by cratonization of the new juvenile crust known as the Arabian Nubian Shield(ANS),which has been proposed for potential gold discoveries associated with the corresponding tectonic *** Fatira area,on the border of egypt’s Northern and Central eastern Deserts,is covered with metavolcanic rocks twisted by a dextral relocation of the Fatira Shear Zone(FSZ)relative to the Barud magmatic *** recent study evaluated many deformed post-orogenic granitic intrusions and felsite dikes associated with promising mineralization localities,notably orogenic gold *** combination of various field observations and remote sensing data,followed by the analysis of aeromagnetic enhanced maps,allowed the differentiation of distinct lithologies,structural features,and hydrothermal alterations in the study ***,the integrated results obtained from the different interpretation techniques are utilized to identify and confirm the previously supposed mineralized localities in the Fatira and Abu Zawal areas and predict other matched *** final ASTeR,Sentinel 2 hydrothermal alteration,and orientation entropy heat maps demonstrate the association between these mineralized regions and major structures related to the FSZ late stage of deformation rather than other structures studied throughout the area of interest.

关键词： gold granite island arc association Pan-African Orogeny egypt

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Contribution of Anti-p63 Antibodies in the Interpretation of Benign Label Prostatic Biopsies

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Open Journal of Pathology 2024年第2期14卷 31-44页

作者： Ibou Thiam Fabrice Senghor Frenette Codja Kor Ndiaye mohamed Moustapha Cherif Dial Pathological Anatomy Department Aristide Le Dantec University Hospital Dakar Senegal Pathological Anatomy Department H&#244pital de la Paix Ziguinchor Senegal Pathological Anatomy Department Idrissa Pouye University Hospital Dakar Senegal

Introduction: Prostate cancer is the second most common cancer in men. The diagnosis is most often based on the prostate biopsies’ analysis and on histological criteria recognizable on standard coloring. In some cases, the use of immunohistochemistry is important. Objectives: This paper aims to specify the p63 phenotypic profile of lesions diagnosed benign, with minimal suspect foci, difficult to interpret, HGPIN (high grade intraepithelial neoplasia) and LGPIN (low-grade prostatic intraepithelial neoplasia) and evaluate the manual technique of p63 immunohistochemistry. Patients and Method: This was a retrospective, descriptive study of prostate biopsies recorded in the PAC service of the HALD from January 1st, 2018 to December 31st, 2018. It was completed by a manual immunohistochemical study of the blocks enrolled from November 19th to December 4th, 2020 in the PAC department of the HPD. The studied parameters were: registry number, age, clinical stage, prostate volume, PSA level, microscopic appearance and p63 immunohistochemical profile. Results: Our study included 60 prostate biopsies. The ages of our patients varied from 45 to 77 years, with an average of 64.2 years and a standard deviation of 6.2. The majority of patients were at clinical stage cT2b (33%) with a prostate volume varying between 33.15 and 169.4 cc. The minimum value of PSA in our series is 5 ng/ml, the maximum being 100 ng/ml with an average level of 24.1 ng/ml and a standard deviation of 21.2. Our series included 50 adenomyomatous hyperplasias, 7 adenomyomatous hyperplasias associated with chronic prostatitis, 2 HGPIN and 1 LGPIN. After re-reading we found 5 discordant cases, which corresponded to minimal suspect foci (kappa = 0.5098). The p63 marking was informative in 53 cases, i.e. 88%, and non-informative in 7 cases, i.e. 12%. Among the uninformative markings, 2 were due to lack of tissue adhesion to the slides. Among the informative markings, 11 were negative. p63 immunohistochemistry was

关键词： Prostate Cancer Diagnosis Anti-p6 Antibody

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Intraductal Prostatic Carcinoma: epidemiological and Anatomopathological Aspects in Dakar

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Open Journal of Pathology 2024年第2期14卷 54-63页

作者： Ibou Thiam Fabrice Senghor Omar Sow Kor Ndiaye mohamed Moustapha Chérif Dial Anatomical Pathology Department Aristide Le Dantec University Hospital Dakar Senegal Anatomical Pathology Department Peace Hospital Ziguinchor Senegal General Surgery Department Peace Hospital Ziguinchor Senegal Anatomical Pathology Department Idrissa Pouye University Hospital Dakar Senegal

Introduction: Intraductal carcinoma is often associated with high-grade, high-stage adenocarcinoma. Its frequency is variable and it is considered a poor prognostic factor. In our context, when prostatic carcinoma is diagnosed, pathologists do not always report the presence of this anatomopathological entity. We therefore conducted a study to determine the epidemiological and anatomopathological profile of patients with this lesion in Dakar. Materials and Methods: This is a retrospective descriptive study covering a 1-year period from January to December 2022. It focused on cases of intraductal carcinoma diagnosed among prostatic carcinomas collected in the anatomopathology laboratories of Hôpital Général Idrissa Pouye (HOGIP) and Hôpital Militaire de Ouakam (HMO). It was based on archives of anatomopathological reports, blocks and slides. A total of 200 cases of prostatic carcinoma were collated and reviewed to identify those presenting with intraductal carcinoma according to the diagnostic criteria of Guo and epstein. Results: 87 cases of intraductal carcinoma were found, representing 43.5% of prostatic carcinomas. The mean age was 71 years. Patients in their seventh decade were the most represented, i.e. 42.5%. The majority of samples examined were biopsies (72.4%). The mean PSA level was 965.91 ng/ml, with extremes ranging from 0.03 to 10,000 ng/ml. Histologically, 96.5% of cases (N = 84) were invasive prostatic carcinoma. Gleason score 8 (4 + 4) was the most common, accounting for 42.53% (N = 37). On average, the study found four (04) foci of intraductal carcinoma per specimen, with extremes ranging from 1 to 30. Dense cribriform architecture accounted for 78.16%, loose cribriform for 11.5%, solid for 8.04% and micropapillary for 2.3%. Six cases (6.9%) showed foci of comedonecrosis. The vast majority of radical prostatectomies (87.5%) were classified as pT3. Node invasion and perineural sheathing were observed in 12.5% and 52.32% of cases respectively. Conclusi

关键词： Intraductal Carcinoma Prostate Pathological Anatomy Senegal

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Intensified river salinization alters nitrogen-cycling microbial communities in arid and semi-arid regions of China

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eco-environment & Health 2024年第3期3卷 271-280页

作者： Qingqing Pang Dan Wang Zewei Jiang mohamed Abdalla Lei Xie Xiang Zhu Fuquan Peng Pete Smith Longmian Wang Lingzhan Miao Jun Hou Peng Yu Fei He Bin Xu Nanjing Institute of environmental Sciences Ministry of Ecology and EnvironmentNanjing 210042China College of environment Hohai UniversityNanjing 210098China College of Agricultural Science and engineering Hohai UniversityNanjing 210098China Institute of Biological&environmental Sciences University of Aberdeen23 St Machar Dr.Aberdeen AB243UUUK School of environmental Science and engineering Nanjing University of Information Science and TechnologyNanjing 210044China Shandong Academy of environmental Sciences Co. LtdJinan 250100China

Freshwater salinization is receiving increasing global attention due to its profound influence on nitrogen cycling in aquatic ecosystems and the accessibility of water ***,a comprehensive understanding of the changes in river salinization and the impacts of salinity on nitrogen cycling in arid and semi-arid regions of China is currently lacking.A meta-analysis was first conducted based on previous investigations and found an intensification in river salinization that altered hydrochemical *** further analyze the impact of salinity on nitrogen metabolism processes,we evaluated rivers with long-term salinity gradients based on in situ *** genes and enzymes that were inhibited generally by salinity,especially those involved in nitrogen fixation and nitrification,showed low abundances in three salinity *** abundance of genes and enzymes with denitrification and dissimilatory nitrate reduction to ammonium functions still maintained a high proportion,especially for denitrification genes/enzymes that were enriched under medium *** bacteria exhibited various relationships with salinity,while dissimilatory nitrate reduction to ammonium bacterium(such as Hydrogenophaga and Curvibacter carrying nirB)were more inhibited by salinity,indicating that diverse denitrifying bacteria could be used to regulate nitrogen *** genera exhibited symbiotic and mutual relationships,and the highest proportion of significant positive correlations of abundant genera was found under medium *** study emphasizes the role of river salinity on environment characteristics and nitrogen transformation rules,and our results are useful for improving the availability of river water resources in arid and semi-arid regions.

关键词： Arid and semi-arid regions Nitrogen cycle Nitrogen transforming functional bacteria River Salinity gradient

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Impact evaluation of large scale integration of electric vehicles on power grid

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Frontiers in energy 2020年第2期14卷 337-346页

作者： Rabah BOUDINA Jie WANG mohamed BeNBOUZID farid KHOUCHA mohamed BOUDOUR Department of electrical engineering Shanghai Jiao Tong UniversityShanghai 200240China University of Brest FRE CNRS 3744 IRDLBrest 29238France Shanghai Maritime University Shanghai 201306China ecole Militaire Poly technique UER ELTAlgiers 16111Algeria Laboratory of electric Industrial System(LSeI) University of Science and TechnologyHouari BoumedienneAlgiers 16111Algeria

As the world witnesses a continual increase in the global energy demand,the task of meeting this demand is becoming more difficult due to the limitation in fuel resources as well as the greenhouse gases emitted which accelerate the climate *** a result,introducing a policy that promotes renewable energy(Re)generation and integration is inevitable for sustainable *** this endeavor,electrification of the transport sector rises as key point in reducing the accelerating environment degradation,by the deployment of new type of vehicles referred to as PHeV(plug-in hybrid electric vehicle).Besides being able to use two kinds of drives(the conventional internal combustion engine and the electric one)to increase the total efficiency,they come with a grid connection and interaction capability known as the vehicle-to-grid(V2G)that can play a supporting role for the whole power system by providing many ancillary services such as energy storage mean and power quality ***,all these advantages do not come *** uncontrolled large scale eV integration may present a real challenge and source of possible failure and instability for the *** this work the large scale integration impact of eVs will be investigated in *** results of power flow analysis and the dynamic response of the grid parameters variation are presented,taking the Ieee 14 bus system as a test grid system.

关键词： PHeV vehicle-to-grid(V2G) technical impact Ieee 14 bus power flow analysis

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