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Stochastic Programming for Hub Energy Management Considering Uncertainty Using Two-Point Estimate Method and Optimization Algorithm

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Computer Modeling in Engineering & Sciences 2023年第12期137卷 2163-2192页

作者： Ali S.Alghamdi Mohana Alanazi abdulaziz Alanazi Yazeed Qasaymeh Muhammad Zubair Ahmed Bilal Awan M.G.B.Ashiq Department of Electrical Engineering College of EngineeringMajmaah UniversityAl-Majmaah11952Saudi Arabia Department of Electrical Engineering College of EngineeringJouf UniversitySakaka72341Saudi Arabia Department of Electrical Engineering College of EngineeringNorthern Border UniversityAr’Ar73222Saudi Arabia Automation and Control Department College of Engineering TechnologyUniversity of Doha for Science and TechnologyDoha24449Qatar Department of Electrical and Computer Engineering College of Engineering and Information TechnologyAjman UniversityAjman20550United Arab Emirates Department of Physics College of ScienceImam Abdulrahman Bin Faisal UniversityDammam31441Saudi Arabia

To maximize energy profit with the participation of electricity,natural gas,and district heating networks in the day-ahead market,stochastic scheduling of energy hubs taking into account the uncertainty of photovoltaic and wind resources,has been carried *** has been done using a new meta-heuristic algorithm,improved artificial rabbits optimization(IARO).In this study,the uncertainty of solar and wind energy sources is modeled using Hang’s two-point estimating method(TPEM).The IARO algorithm is applied to calculate the best capacity of hub energy equipment,such as solar and wind renewable energy sources,combined heat and power(CHP)systems,steamboilers,energy storage,and electric cars in the *** standard ARO algorithmis developed to mimic the foraging behavior of rabbits,and in this work,the algorithm’s effectiveness in avoiding premature convergence is improved by using the dystudynamic inertia weight *** proposed IARO-based scheduling framework’s performance is evaluated against that of traditional ARO,particle swarm optimization(PSO),and salp swarm algorithm(SSA).The findings show that,in comparison to previous approaches,the suggested meta-heuristic scheduling framework based on the IARO has increased energy profit in day-ahead electricity,gas,and heating markets by satisfying the operational and energy hub ***,the results show that TPEM approach dependability consideration decreased hub energy’s profit by 8.995%as compared to deterministic planning.

关键词： Stochastic energy hub scheduling energy profit uncertainty Hong’s two-point estimate method improved artificial rabbits optimization

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Heat transfer analysis in the flow of Walters' B fluid with a convective boundary condition

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Chinese Physics B 2014年第8期23卷 382-388页

作者： T.Hayat Sadia Asad M.Mustafa Hamed H.alsulami Department of Mathematics Quaid-i-Azam University 45320 Department of Mathematics Faculty of Science King Abdulaziz University School of Natural Sciences National University of Science and Technology (NUST)

Radiative heat transfer in the steady two-dimensional flow of Walters＇ B fluid with a non-uniform heat source/sink is investigated. An incompressible fluid is bounded by a stretching porous surface. The convective boundary condition is used for the thermal boundary layer problem. The relevant equations are first simplified under usual boundary layer assumptions and then transformed into a similar form by suitable transformations. Explicit series solutions of velocity and temperature are derived by the homotopy analysis method （HAM）. The dimensionless velocity and temperature gradients at the wall are calculated and discussed.

关键词： Walters' B fluid heat source/sink convective boundary condition analytic solution

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Comparative Study of Conocarpus erectus and Phoenix dactylifera as Plant Biomonitors of Particulate Matter Pollution in Kuwait over Three Land Use Classes

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Atmospheric and Climate Sciences 2022年第2期12卷 189-234页

作者： Athari abdulaziz Almutawa Samson Roeland Laboratory of Environmental and Urban Ecology Department of Bioscience Engineering University of Antwerp Antwerpen Belgium Department of Desert Rehabilitation and Restoration Public Authority of Agriculture and Fisheries Rabia Safat Kuwait

Magnetic plant biomonitoring has been proven to be an effective tool in the assessment of air quality. Kuwait presents a unique environment due to its dry desert climatic conditions and prevailing dry deposition patterns that may affect accumulation rates of magnetic mineral particles. This study evaluated two widely distributed ornamental species, buttonwood (Conocarpus erectus) and palm (Phoenix dactylifera) for their effectiveness as biomagnetic monitors over three different land use classes (urban, suburban and industrial land classes). The differences between land use classes were classified by their proximity to major pollution sources as well as population density. Leaf sampling was conducted over various heights and distances from the nearest road. Total leaf saturated isothermal magnetization (SIRM), hard isothermal magnetization (HIRM), hard isothermal magnetization percentage (HIRM%) and s-ratio have been measured. Scanning electron microscopy (SEM) was used to analyze leaf surface micromorphology. It was determined that NRM values are similar for all land use classes and species, ranging from 0.3 to 0.5 μA. Palm leaf overall magnetic concentration was identified to be higher at the industrial land use class than at the urban land use class, indicating high coercivity minerals to magnetically dominate the land use classes. Additionally, total leaf SIRM was determined to be higher at short distances of 0 - 5 meters from the vicinity of the road. The surface rugosity of palm has deep ridges and furrows with ununiform wax projections across the leaf surface, while buttonwood has a smooth wax film with low relief. Differences in leaf micromorphology in addition to plant physiology, justify species magnetic parametric variances. Palm leaf had an average SIRM value that is 120% higher than buttonwood. It has been highlighted that through the application of the magnetic parameter results to spatial distribution maps that there is an association between particula

关键词： Biomonitoring Kuwait Particulate Matter Spatial Distribution Magnetic Concentration Pollution Source

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Impact of Climate Change on Agriculture, Fisheries and Livestock Sectors in Kuwait

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Journal of Geoscience and Environment Protection 2023年第10期11卷 141-166页

作者： Athari abdulaziz Almutawa Abdulrahman Alfraih Laboratory of Environmental and Urban Ecology Department of Bioscience Engineering University of Antwerp Antwerp-en Belgium Department of Desert Rehabilitation and Restoration Public Authority of Agriculture and Fisheries Safat Kuwait Department of Organic Production Public Authority of Agriculture and Fisheries Safat Kuwait

The issue of limited agricultural land and production, rising food demand, and heavy reliance on imported foods in Kuwait have resulted in pressing concerns regarding food security and equity. Currently, Kuwait heavily relies on imports for over 90% of its food supply, which not only impacts the country’s sustainability but also affects other nations. Essential staples like rice, wheat, corn, milk powder, cooking oil, and chicken are particularly vulnerable to recent global price shocks. The consequences of climate change include rising temperatures, warming oceans, increasing incidences of droughts, losses in biodiversity, heightened health risks, and a decline in overall food production. These effects further strain an already stressed ecosystem as Kuwait lacks a comprehensive adaptive strategy that outlines both short-term and long-term action plans/goals to address these challenges. Specifically, within the agricultural, livestock, and fisheries sectors while simultaneously equipping it to handle emergencies or hazardous crises. This paper aims to outline the issues of limited agricultural land and production, rising food demand, and heavy reliance on imported foods, and how Kuwait must prioritize the development and improvement of sustainable agricultural practices and technologies. Furthermore, identifying key stakeholders and their current roles and constraints.

关键词： Adaptation Stakeholders Food Security Sustainability Kuwait

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A Trailblazing Framework of Security Assessment for Traffic Data Management

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Intelligent Automation & Soft Computing 2023年第8期37卷 1853-1875页

作者： abdulaziz Attaallah Khalil al-Sulbi Areej Alasiry Mehrez Marzougui Neha Yadav Syed Anas Ansar Pawan Kumar Chaurasia Alka Agrawal Department of Computer Science Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddah21589Saudi Arabia Department of Computer Science Al-Qunfudah Computer CollegeUmm Al-Qura UniversityMeccaSaudi Arabia College of Computer Science King Khalid UniversityAbha61421Saudi Arabia Department of Information Technology Babasaheb Bhimrao Ambedkar UniversityLucknow226025Uttar PradeshIndia Department of Computer Applications Babu Banarasi Das UniversityLucknow226028Uttar PradeshIndia

Connected and autonomous vehicles are seeing their dawn at this *** provide numerous benefits to vehicle owners,manufacturers,vehicle service providers,insurance companies,*** vehicles generate a large amount of data,which makes privacy and security a major challenge to their *** complicated machine-led mechanics of connected and autonomous vehicles increase the risks of privacy invasion and cyber security violations for their users by making them more susceptible to data exploitation and vulnerable to cyber-attacks than any of their *** could have a negative impact on how well-liked CAVs are with the general public,give them a poor name at this early stage of their development,put obstacles in the way of their adoption and expanded use,and complicate the economic models for their future *** the other hand,congestion is still a bottleneck for traffic management and *** research paper presents a blockchain-based framework that protects the privacy of vehicle owners and provides data security by storing vehicular data on the blockchain,which will be used further for congestion detection and *** devices placed along the road are used to communicate with passing cars and collect their *** collected data will be compiled periodically to find the average travel time of vehicles and traffic density on a particular road ***,this data will be stored in the memory pool,where other devices will also store their *** a predetermined amount of time,the memory pool will be mined,and data will be uploaded to the blockchain in the form of blocks that will be used to store traffic *** information is then used in two different ***,the blockchain’s final block will provide real-time traffic data,triggering an intelligent traffic signal system to reduce ***,the data stored on the blockchain will provide historical,statistical data that can facilitate the

关键词： Connected and autonomous vehicles(CAVs) traffic data management ethereum blockchain road side units smart cities

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Characterization and antifouling activity analysis of extracellular polymeric substances produced by an epibiotic bacterial strain Kocuria flava associated with the green macroalga Ulva lactuca

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Acta Oceanologica Sinica 2021年第4期40卷 107-115页

作者： Mohammad abdulaziz Ba-akdah Sathianeson Satheesh Department of Marine Biology Faculty of Marine SciencesKing Abdulaziz UniversityJeddah 21589Saudi Arabia

Extracellular polymeric substances(EPS)are present externally to the microorganisms and play an important role in attachment and biofilm *** polymers possess antibacterial and antifouling *** this study,the antifouling activity of EPS produced by an epibiotic bacterium associated with macroalga Ulva lactuca was assessed against fouling bacteria and barnacle *** indicate that the EPS isolated from the epibiotic bacterium inhibits the biofilm formation of the bacteria without much antibacterial ***,the EPS reduced the settlement of barnacle larvae on the hard substrate under laboratory *** epibiotic bacterium was identified as Kocuria flava based on 16 S rRNA gene *** EPS was further analysed using Fourier transform infrared(FT-IR),nuclear magnetic resonance(NMR)and X-ray diffraction(XRD)to understand the biochemical *** analysis revealed the presence of polysaccharides,proteins,acetyl amine and succinyl *** electron microscope analysis indicated that the EPS consisted of aggregated and irregular sphere-shaped particles.

关键词： biofouling antifouling Kocuria flava exopolymers antibiofilm activity Red Sea

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Advances and prospects of genetic mapping of Verticillium wilt resistance in cotton

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Journal of Cotton Research 2022年第1期5卷 48-58页

作者： AINI Nurimanguli JIBRIL abdulaziz Nuhu LIU Shiming HAN Peng PAN Zhenyuan ZHU Longfu NIE Xinhui Key Laboratory of Oasis Ecology Agricultural of Xinjiang Bingtuan Agricul-tural CollegeShihezi UniversityShihezi 832003XinjiangChina National Key Laboratory of Crop Genetic Improvement College of Plant Sciences and Tech-nologyHuazhong Agricultural UniversityWuhan 430070HubeiChina

Verticillium wilt is one of the most important diseases affecting cotton production in *** fungus,Verticillium dahliae,has a wide host range and a high degree of genetic *** resistance resources have been found in the available planting resources,thus presenting difficulties and challenges for our *** long-term production practice shows that selection of disease-resistant varieties is the most economical and effective measure to control Verticillium wilt of cotton to reduce the yield loss and quality decline of *** this paper,we summarized the genetic mapping population,the analysis method of genetic localization,the discovery,mining and cloning of disease-resistant quantitative trait loci/markers,and the analysis of their genetic functions,so as to provide information for the molecular breeding approach of disease-resistant cotton.

关键词： Cotton Verticillium wilt Genetic mapping QTL

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Synchronous carotid endarterectomy and coronary artery bypass graft: Four case reports

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World Journal of Clinical Cases 2023年第36期11卷 8581-8588页

作者： Faisal Khader AlGhamdi Abdulmajeed Altoijry Abdulrahman AlQahtani Mohammed Yousef Aldossary Sultan Omar AlSheikh Kaisor Iqbal Walid abdulaziz Alayadhi Department of Cardiac Surgery King Saud UniversityRiyadh 11322Saudi Arabia Department of Surgery King Saud UniversityRiyadh 11322Saudi Arabia King Fahad Cardiac Center King Saud University Medical CityRiyadh 11322Saudi Arabia Department of General Surgery King Saud UniversityRiyadh 11322Saudi Arabia Department of Surgery Dammam Medical ComplexDammam 32245Saudi Arabia

BACKGROUND One of the major perioperative complications for coronary artery bypass graft(CABG)is *** risk of perioperative stroke after CABG is approximately 2%.Carotid stenosis(CS)is considered an independent predictor of perioperative stroke risk in CABG *** optimal management of such patients has been a source of *** of the possible surgical options is synchronous carotid endarterectomy(CEA)and ***,we have presented 4 cases of successful synchronous CEA and *** center’s experience with 4 cases of significant carotid artery stenosis,which were successfully managed with combined CEA and CABG,are *** first case was a female who presented for CABG after a ST-elevation myocardial *** had right internal carotid artery(ICA)occlusion and 90%left ICA *** second case was a male who was electively admitted for *** was discovered that he had left ICA occlusion and 90%right ICA *** third case was a male with a history of stroke,two months prior to *** presented with non-ST-elevation myocardial ***,it was discovered that he had>90%right ICA *** final case was a male who was electively admitted for *** was discovered that he had bilateral>90%ICA *** have also reviewed the current evidence and guidelines for managing CS in patients undergoing *** Our case series demonstrated that synchronous CEA and CABG was safe.A multicenter study with additional patients is *** is necessary for clinicians to screen for CS in high-risk patients with features.

关键词： Carotid artery stenosis Carotid endarterectomy Coronary artery bypass grafting Coronary artery disease Synchronous Case report

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The role of morphology on the electrochemical CO_(2) reduction performance of transition metal-based catalysts

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Journal of Energy Chemistry 2023年第10期85卷 198-219,I0007页

作者： Umar Mustapha Chidera C.Nnadiekwe Maria Abdulkarim Alhaboudal Umar Yunusa Abdulhakam Shafiu Abdullahi Ismail Abdulazeez Ijaz Hussain Saheed A.Ganiyu abdulaziz A.Al-Saadi Khalid Alhooshani Department of Chemistry King Fahd University of Petroleum and MineralsDhahran 31261Saudi Arabia Interdisciplinary Research Center for Refining&Advanced Chemicals King Fahd University of Petroleum&MineralsDhahran 31261Saudi Arabia Interdisciplinary Research Center for Membranes and Water Security King Fahd University of Petroleum and MineralsDhahran 31261Saudi Arabia

The continued increase in population and the industrial revolution have led to an increase in atmospheric carbon dioxide(CO_(2)) concentration. Consequently, developing and implementing effective solutions to reduce CO_(2) emissions is a global priority. The electrochemical CO_(2) reduction reaction(CO_(2)RR) is strongly believed to be a promising alternative to fossil fuel-based technologies for the production of value-added chemicals. So far, the implementation of CO_(2)RR is hindered by associated electrochemical reactions, such as low selectivity, hydrogen evolution reaction(HER), and additional overpotential induced in some cases. As a result, it is necessary to conduct a timely evaluation of the state-of-the-art strategies in CO_(2)RR, with a focus on the engineering of the electrocatalytic systems. Catalyst morphology is one factor that plays a critical role in overcoming these drawbacks and significantly contributes to enhancing product selectivity and Faradaic efficiency(FE). This review article summarizes the recent advances in the rational design of electrocatalysts with various morphologies and the influence of these morphologies on CO_(2)RR. To compare literature findings in a meaningful way, the article focuses on results reported under a well-defined period and considers the first three rows of the d-block metal catalysts. The discussion typically covers the design of nanostructured catalysts and the molecular-level understanding of morphology-performance relationship in terms of activity, selectivity, and stability during CO_(2) electrolysis. Among others, it would be convenient to recommend a comprehensive discussion on the morphologies of single metals and heterostructures, with a detailed emphasis on their impact on CO_(2) conversion.

关键词： CO_(2)electroreduction Electrochemical reduction of CO_(2) Morphology Catalysts d-block metals catalysts Faradaic efficiency Selectivity

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Intelligent Approach for Traffic Orchestration in SDVN Based on CMPR

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Computers, Materials & Continua 2021年第6期67卷 3749-3763页

作者： Thamer Alhussain Ahmad Ali AlZubi abdulaziz Alarifi Department of E-Commerce College of Administrative and Financial SciencesSaudi Electronic UniversitySaudi Arabia Department of Computer Science Community CollegeKing Saud UniversitySaudi Arabia

The vehicle ad hoc network that has emerged in recent years was originally a branch of the mobile ad hoc *** the drafting and gradual establishment of standards such as IEEE802.11p and IEEE1609,the vehicle ad hoc network has gradually become independent of the mobile ad hoc *** Internet of Vehicles(Vehicular Ad Hoc Network,VANET)is a vehicle-mounted network that comprises vehicles and roadside basic *** multi-hop hybrid wireless network is based on a vehicle-mounted self-organizing *** compared to other wireless networks,such as mobile ad hoc networks,wireless sensor networks,wireless mesh networks,etc.,the Internet of Vehicles offers benefits such as a large network scale,limited network topology,and predictability of node *** paper elaborates on the Traffic Orchestration(TO)problems in the Software-Defined Vehicular Networks(SDVN).A succinct examination of the Software-defined networks(SDN)is provided along with the growing relevance of TO in *** the technology features of SDN,a modified TO method is proposed,which makes it possible to reduce time complexity in terms of a group of path creation while simultaneously reducing the time needed for path reconfiguration.A criterion for path choosing is proposed and justified,which makes it possible to optimize the load of transport network *** up,this paper justifies using multipath routing for TO.

关键词： SDVN traffic orchestration vehicular networks multipath routing

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