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Assessing household perception,autonomous adaptation and economic value of adaptation benefits:Evidence from West Coast of Peninsular Malaysia

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Advances in Climate Change Research 2022年第5期13卷 738-758页

作者： Sofia EHSAN Rawshan Ara BEGUM Khairul Nizam ABDUL MAULUD Md shahin MIA Earth Observation Centre Institute of Climate ChangeUniversiti Kebangsaan MalaysiaUKM Bangi 43600Malaysia Centre for Corporate Sustainability and Environmental Finance Macquarie UniversityNew South Wales 2109Australia Department of Civil Engineering Faculty of Engineering&Built EnvironmentUniversiti Kebangsaan MalaysiaUKM Bangi 43600Malaysia School of Economics Finance and BankingUniversiti Utara MalaysiaSintok 06010Malaysia

Climate change is causing sea-level rise,intense and frequent storm surge flooding,and significant shoreline erosion in Malaysian coastal ***,coastal properties,infrastructure,and livelihoods are *** has become apparent that adaptation at the household and community level is necessary to offset the adverse impacts of coastal *** community needs to be made aware of the risks,acquire knowledge about adaptation options,and be empowered to take their own *** perception and preference are therefore crucial for design and implementation of effective planning for climate ***,this study assesses households'perception,adaptation measures and empirically estimates willingness to pay and preference for planned adaptation measures to guide policy instruments through public *** Malaysia,ten highly vulnerable coastal areas in the Selangor coast were surveyed at the household level(n=1016)through face-to-face interviews using a structured *** households’perception and adaptation methods,most of the households in the highly exposed areas perceived less risk of inundation and sea-level rise threat and adopted less proactive adaptation and limited risk reduction behaviours during the extreme *** study found that 66.9%of households were willing to pay for planned adaptation measures despite the limited income capabilities and in favour of moderate adaptation(23.9%).The binomial and ordinal regression results indicated that the probability of willingness to pay for planned adaptation measures significantly increases with age,prior exposure to coastal hazards,awareness,risk perception,community participation,being affected by property damage and loss of income due to extreme *** increased monthly household income and access to telecommunication services,households will probably pay higher for better adaptation measures.A significant amount of perceived yearly adaptation benefits in the coasta

关键词： Risk perception Climate awareness Public engagement Factors affecting adaptation Willingness to pay

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Country-scale spatio-temporal monitoring of soil erosion in Iran using the G2 model

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International Journal of Digital Earth 2021年第8期14卷 1019-1039页

作者： shahin Mohammadi Fatemeh Balouei Khadijeh Haji Abdulvahed Khaledi Darvishan Christos G.Karydas Department of Remote Sensing and GIS Faculty of Earth SciencesShahid Chamran University of AhvazAhvazIran Department of Range and Watershed Management Faculty of Natural ResourcesIsfahan University of TechnologyIsfahanIran Department of Watershed Management Engineering Faculty of Natural ResourcesTarbiat Modares UniversityNoorIran dRemote Sensing Engineer EpanomiGreece

The aim of this study was the spatial and temporal monitoring of soil erosion patterns in *** G2 model was used,as an appropriate tool to provide the required month-time step country-wide soil loss maps and statistical *** input parameters were derived with field surveys and remote sensing imagery(MODIS,SRTM,SPOT,and Sentinel-2 scenes).An innovation for G2 was the consideration of the snow cover effect on the rainfall *** was also the first time G2 was used to map such a big country like Iran on a country *** mean annual soil erosion in Iran was found to be 16.5 t ha−1,which is equal to about 2.7 billion tons of soil *** spatial terms,the highest soil loss values were found in the north,west and southwest part of Iran,in the steep slopes in Alborz and Zagros *** temporal terms,the highest and lowest monthly erosion values of 3.2 and 0.09 t ha−1 correspond to January and July,respectively.

关键词： Digital earth Land degradation Sediment yield Sentinel-2 Snow cover effect

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Vascularization is the next challenge for skin tissue engineering as a solution for burn management

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Burns & Trauma 2020年第1期8卷 174-185页

作者： Hady shahin Moustafa Elmasry Ingrid Steinvall Folke Soerg Ahmed El-Serafi Department of Hand Surgery and Plastic Surgery and Burns Linkoing University Hospital58185LinkoingOtergolandSweden The Department of Biomedical and Clinical Sciences Linkoing UniversityLinkoing University Hospital58183LinkoingOtergolandSweden Faculty of Biotechnology MSA University26 July Mehwar Road125856th October City.Egypt

Skin regeneration represents a promising line of management for patients with skin loss,including burn *** current approach of spraying single cells over the defective areas results in variable success rates in different *** modern approach is to synthesize a multilayer skin construct that is based on autologous stem *** of the main complications with different types of transplants is sloughing due to the absence of proper *** proper vascularization will be crucial for the integration of skin constructs with the surrounding *** of the right cells with scaffolds of proper physico-chemical properties,vascularization can be markedly *** material effect,pore size and adsorption of certain proteins,as well as the application of appropriate growth factors,such as vascular endothelial growth factors,can have an additive effect.A selection of the most effective protocols is discussed in this review.

关键词： Burn Skin Regeneration Tissue engineering Vascularization

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Mobilizing the seed storage oil in milk thistle (Silybum marianum) can supply energy for seed germination and early seedling growth and apply as TAGs breakdown marker

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Oil Crop Science 2023年第4期8卷 207-216页

作者： Mohammad shahin Daneshmandi Maryam Mohammadi Maryam Asadi Adele Robati Department of Plant Production Faculty of Agriculture Science and Natural ResourcesUniversity of Torbat HeydariehP.O.Box 95161-68595Torbat HeydariehIran

Milk thistle(Silybum marianum)is a crucial medicinal plant containing a large amount of *** the study,the changes in storage oil during seed germination and seedling transition from heterotrophic phases were *** results showed that seed oil decreased from 19.53%to 0.88%on the 7th day of seedling *** hydrolysis continued until the 4th day of germination with a low slope,but then increased the use of oils in seed germination end seedling growth *** results indicated that the quantitative changes in fatty acids,presented at lower amount,were relatively higher than dominant fatty *** were decreasing phenolic content in the developing seedlings,but overall,lowest level of total phenolic content can be attributed to the control(30.52 mg⋅100 g⋅Oil^(-1)).In contrast,the maximum peroxide value(2.58 meq⋅kg Oil^(-1))in the developing seedling was observed on the last day of the *** results showed that there was a significant correlation between saturated fatty acid,unsaturated fatty acid,and lipase ***,the correlation between lipase activity and polyunsaturated fatty acids was significantly higher than between lipase activity and monounsaturated fatty acids(R^(2)=90%and R^(2)=77%,respectively).Therefore,the lipolysis process acts selectively in milk thistle *** to the results,C12:0 exhibits a greater impact on the early seedling growth rather than on the germination process and is one of the determining factors in the transition from heterotroph to ***,it can be a marker for TAGs breakdown.

关键词： Fatty acid Lipase Milk thistle Lauric acid TAGs Total polyphenol

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Robust Magnification Independent Colon Biopsy Grading System over Multiple Data Sources

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Computers, Materials & Continua 2021年第10期69卷 99-128页

作者： Tina Babu Deepa Gupta Tripty Singh shahin Hameed Mohammed Zakariah Yousef Ajami Alotaibi Department of Computer Science and Engineering Amrita School of EngineeringAmrita Vishwa VidyapeethamBengaluruIndia Department of Pathology MVR Cancer Center and Research InstitutePoolacodeKeralaIndia College of Computer and Information Sciences King Saud UniversitySaudi Arabia Computer Engineering Department College of Computer and Information SciencesKing Saud UniversitySaudi Arabaia

Automated grading of colon biopsy images across all magnifications is challenging because of tailored segmentation and dependent features on each *** work presents a novel approach of robust magnification-independent colon cancer grading framework to distinguish colon biopsy images into four classes:normal,well,moderate,and *** contribution of this research is to develop a magnification invariant hybrid feature set comprising cartoon feature,Gabor wavelet,wavelet moments,HSV histogram,color auto-correlogram,color moments,and morphological features that can be used to characterize different ***,the classifier is modeled as a multiclass structure with six binary class Bayesian optimized random forest(BO-RF)*** study uses four datasets(two collected from Indian hospitals—Ishita Pathology Center(IPC)of 4X,10X,and 40X and Aster Medcity(AMC)of 10X,20X,and 40X—two benchmark datasets—gland segmentation(GlaS)of 20X and IMEDIATREAT of 10X)comprising multiple microscope *** results demonstrate that the proposed method outperforms the other methods used for colon cancer grading in terms of accuracy(97.25%-IPC,94.40%-AMC,97.58%-GlaS,99.16%-Imediatreat),sensitivity(0.9725-IPC,0.9440-AMC,0.9807-GlaS,0.9923-Imediatreat),specificity(0.9908-IPC,0.9813-AMC,0.9907-GlaS,0.9971-Imediatreat)and F-score(0.9725-IPC,0.9441-AMC,0.9780-GlaS,0.9923-Imediatreat).The generalizability of the model to any magnified input image is validated by training in one dataset and testing in another dataset,highlighting strong concordance in multiclass classification and evidencing its effective use in the first level of automatic biopsy grading and second opinion.

关键词： Colon cancer grading texture features color features morphological features feature extraction Bayesian optimized random forest classifier

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微泡钻井液流变性

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石油勘探与开发 2016年第6期43卷 986-990页

作者： KHAMEHCHI Ehsan TABIBZADEH shahin ALIZADEH Ali Faculty of Petroleum Engineering Amirkabir University of Technology (Tehran Polytechnic) Department of Petroleum Engineering Science and Research Branch Islamic Azad University

鉴于微泡钻井液在衰竭油气藏钻井中的成功应用,通过实验测试和数据分析研究了微泡钻井液的流变性及稳定性。配制了一种典型的微泡钻井液,在不同温度下对其黏度进行测试,分别采用幂律模型、宾汉塑性模型和Herschel-Bulkley模型对测试数... 详细信息

鉴于微泡钻井液在衰竭油气藏钻井中的成功应用,通过实验测试和数据分析研究了微泡钻井液的流变性及稳定性。配制了一种典型的微泡钻井液,在不同温度下对其黏度进行测试,分别采用幂律模型、宾汉塑性模型和Herschel-Bulkley模型对测试数据进行了拟合,发现Herschel-Bulkley模型更能准确描述不同温度下微泡形成前后钻井液的流变性。根据Herschel-Bulkley模型拟合结果,温度升高会提高微泡钻井液的剪切稀释程度,微泡形成后钻井液的静切力和井眼净化能力提高,且在高温下微泡钻井液性能不会明显减弱。低剪切速率下微泡钻井液具有较高的黏度,可以保证良好的孔隙堵塞效果。微泡尺寸增长速率及静态析出实验中液体析出速率可作为评价微泡稳定性的指标:微泡尺寸随时间增加增长缓慢且寿命较长,静态析出实验中液体析出速率低,说明微泡钻井液具有良好的稳定性。

关键词：微泡钻井液流变性稳定性流变模型欠平衡钻井

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COVID-19 outbreak and endoscopy: Considerations in patients encountered in a foregut surgery practice

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World Journal of Gastrointestinal Surgery 2020年第5期12卷 197-202页

作者： Tanya Olszewski Andrew D Grubic shahin Ayazi Blair A Jobe Esophageal and Lung Institute Department of SurgeryAllegheny Health NetworkPittsburghPA 15224United States

Severe acute respiratory syndrome coronavirus has become a critical challenge to global *** the arrival of coronavirus disease 2019 in the United States,several government agencies and professional societies have issued guidelines to healthcare systems and medical *** is a substantial portion of the practice of many general surgeons in the United *** upper endoscopy,manipulation of the upper aerodigestive tract can turn the droplets to an aerosolized form and increase the likelihood of transmission and therefore is considered a high-risk *** this article we review some aspects of the coronavirus disease 2019 outbreak that are relevant to practice of surgical *** emphasis of this communication is on the mode of transmission,previous experiences during other coronavirus outbreaks and society *** then highlight the changes that we have made to our practice to incorporate these factors to improve the safety of patients,health care providers,and community as a whole.

关键词： SARS-CoV-2 COVID-19 Endoscopy Pandemic Best practice Personal protection equipment

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Reply to comment by Durkin et *** “Using a modern analogue to interpret depositional position in ancient fluvial-tidal channels:Example from the McMurray Formation,Canada” by *** Croix,***,and ***

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Geoscience Frontiers 2020年第3期11卷 1087-1092页

作者： Andrew D.La Croix shahin E.Dashtgard James A.MacEachern School of Science University of WaikatoHamilton3240New Zealand Applied Research in Ichnology and Sedimentology(ARISE)Group Department of Earth SciencesSimon Fraser UniversityBurnabyBCV5A 1S6Canada

*** We are pleased to have the opportunity to discuss our paper (La Croix et al.,2019) with Durkin et al.(2020).Their critique demonstrates the wide interest in the McMurray Formation held by both academic and industry geoscientists,especially given the economic importance of the stratigraphic ***,it highlights the various working interpretations for the unit’s paleoenvironmental setting and stratigraphic architecture;two highly contested scientific *** et al.

关键词： al. Canada fluvial

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Dawn of a New Era for Membrane Protein Design

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BioDesign Research 2022年第1期2022卷 337-353页

作者： shahin Sowlati-Hashjin Aanshi Gandhi Michael Garton Institute of Biomedical Engineering University of Toronto164 College StreetTorontoONCanada M5S 3E2

A major advancement has recently occurred in the ability to predict protein secondary structure from sequence using artificialneural networks. This new accessibility to high-quality predicted structures provides a big opportunity for the protein designcommunity. It is particularly welcome for membrane protein design, where the scarcity of solved structures has been a majorlimitation of the field for decades. Here, we review the work done to date on the membrane protein design and set outestablished and emerging tools that can be used to most effectively exploit this new access to structures.

关键词： artificial neural exploit

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Numerical Validation of Asphaltene Precipitation and Deposition during CO2 miscible flooding

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Petroleum Research 2020年第3期5卷 235-243页

作者： Fahad I.Syed shahin Neghabhan Arsalan Zolfaghari Amirmasoud K.Dahaghi University of Kansas USA ADNOC Offshore UAE

Asphaltene precipitation,flocculation,and deposition can significantly reduce oil production by impacting wellbores,flowlines,and more importantly,formations’pore space around the *** alteration in the temperature,pressure and fluid composition can trigger asphaltene *** ability to predict the occurrence and magnitude of the asphaltene deposition is a major step for flow *** accurate prediction of the deposition envelope enables the operator to systematically categorize different cases based on their impact on the *** critical knowledge can be used to predict the occurrence and magnitude of asphaltene deposition,which could potentially save the expense of installing unnecessary equipment and injecting chemical inhibitors when they are not *** asphaltene-related flow assurance issues requires robust physically-based modeling capabilities for capturing the asphaltene’s deposition tendencies as a function of the prevailing field’s operating *** available simulators are found to be useful for predicting asphaltene’s phase behavior,precipitation tendency,and instability curves,they often overlook important physical characteristics of the *** properties may have a detrimental role in obtaining a realistic representation of the asphaltene deposition *** this paper,the experimental and the numerical investigations are combined to present a comprehensive methodology for studying the thermodynamics of asphaltene precipitation and deposition.A wide range of pressures and CO2 concentrations are covered that are relevant to actual CO2 flooding in a Middle East oil *** do so,a series of lab experiments including routine and special PVT analyses where the Asphaltene Onset Pressure(AOP)and Saturation Pressures(Psat)were measured for different mixtures of CO2 and the reservoir *** of 50 mol%CO2 concentration mixture was tested to measure the AOP and *** amount of asphaltene

关键词： Asphaltene AOP AOC EOS Tuning Asphaltic fluid&CO2 field problems

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