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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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Trends of dengue infections in Malaysia,2000-2010

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Asian Pacific Journal of Tropical Medicine 2013年第6期6卷 462-466页

作者： md.shahin mia Rawshan Ara Begum A.C.Er Raja Datuk Zaharaton Raja Zainal Abidin Joy Jacqueline Pereira Institute for Environment and Development Universiti Kebangsaan Malaysia43600UKMBangiSelangor D.E.Malaysia Southeast Asia Disaster Prevention Research Institute Universiti Kebangsaan Malaysia43600UKMBangiSelangor D.E.Malaysia School of Development and Environmental Studies Faculty of Social Science and Humanities Universiti Kebangsaan Malaysia43600UKMBangiSelangor D.E.Malaysia

Objective:To analyze trends of dengue incidences and deaths in Malaysia from 2000 to 2010 as well as the predominant dengue virus serotypes during the last ***:We used the national data on annual reported cases,deaths,incidence rate,mortality rate,and case fatality rate of dengue fever(DF) and dengue hemorrhagic fever(DHF) as well as dengue virus serotypes prevalent in Malaysia during the last ***/ regression lines were fitted to investigate the trend of dengue incidences and deaths due to the disease for a 11-year period(2000-2010).For the distribution of national incidence rate,mortality rate,and case fatality rate of DF and DHF, descriptive statistics using mean and 95%confidence intervals(C/) for means,and range were ***:The number of dengue cases and number of deaths have increased,on average, by 14%and 8%per year *** average annual incidence rate of DF per 100 000 populations was higher as compared to that of ***,the yearly mean mortality rate of DHF per 100 000 populations was greater than that of *** simultaneous circulation of all four dengue serotypes has been found in *** a particular dengue virus serotype predominates for at least two years before it becomes replaced by another ***: The dengue situation in Malaysia has worsened with an increasing number of reported oases and deaths during the last *** increasing trend of dengue highlights the need for a more systematic surveillance and reporting of the disease.

关键词： Dengue Dengue hemorrhagic fever Trend Malaysia

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A Review on Self-healing in Modern Power Distribution Systems

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Journal of Modern Power Systems and Clean Energy 2023年第6期11卷 1719-1733页

作者： Seyed Ali Arefifar md shahin Alam Abdullah Hamadi IEEE Department of Electrical and Computer Engineering Oakland UniversityRochesterUSA Department of Energy and Technology Odessa CollegeOdessaUSA School of Engineering and Technology Western Illinois UniversityMacombUSA

The ever-increasing dependence on electrical power has posed more challenges to power system engineers to deliver secure, stable, and sustained energy to electricity consumers. Due to the increasing occurrence of short-and long-term power interruptions in the power system, the need for a systematic approach to mitigate the negative impacts of such events is further manifested. Self-healing and its control strategies are generally accepted as a solution for this concern. Due to the importance of self-healing subject in power distribution systems, this paper conducts a comprehensive literature review on self-healing from existing published papers. The concept of self-healing is briefly described, and the published papers in this area are categorized based on key factors such as self-healing optimization goals, available control actions, and solution methods. Some proficient techniques adopted for self-healing improvements are also classified to have a better comparison and selection of methods for new investigators. Moreover, future research directions that need to be explored to improve self-healing operations in modern power distribution systems are investigated and described at the end of this paper.

关键词： Self-healing distributed generator renewable energy source microgrid optimization reconfiguration service restoration automation system

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Numerical study on 3D effect and practical design in shield tunneling

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Underground Space 2019年第3期4卷 201-209页

作者： Hossain md.shahin Teruo Nakai Tetsuo Okuno Islamic University of Technology GazipurBangladesh Geo-Research Institute Japan Nagoya Institute of Technology NagoyaJapan Shimizu Corporation TokyoJapan

In practice,different design methods are used in solving geotechnical problems depending on the type of issue such as the tunneling,braced excavation,or bearing capacity of a foundation,that is,the basic mechanism of the design method differs depending on the problems even for the same ground.A numerical analysis using the finite element method has recently become familiar owing to an improved computing performance;however,it is not widely used in the design of geotechnical problems including tunnel excavation owing to the reliability of the constitutive model of the ground *** a constitutive model of soils can properly express the properties of the ground material,a numerical analysis will play a vital role in solving the geotechnical *** this paper,the current state of a numerical analysis and its applicability in tunnel design are ***,the simulation of the ground behavior during tunnel excavation is carried out using sandy and clay ground parameters for shallow and deep tunnel *** paper is mainly focused on the effects of tunnel excavation under three-dimensional(3D)conditions,as well as the current design ***-linear 2D and 3D finite element analyses have been conducted,in which the elastoplastic sub-loading tij model has been used as a constitutive model of the *** performance and acceptability of the constitutive model have already been proven to reproduce the results of various model tests on different geotechnical problems such as the tunneling,braced excavation,and bearing capacity of a foundation,as well as the measured field *** was found that a 2D finite element analysis where the rate of stress release is considered,can be used for the prediction of the ground deformation and surface settlement;however,it does not provide rational information in the prediction of tunnel lining forces such as the stress,bending moment,and axial force,which emphasize the necessity of a 3D analysis with a proper cons

关键词： Shield tunneling Finite element analysis 3D effect

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Anisotropic leaky-like perturbation with subwavelength gratings enables zero crosstalk

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Light(Science & Applications) 2023年第6期12卷 1153-1161页

作者： md Faiyaz Kabir md Borhan mia Ishtiaque Ahmed Nafiz Jaidye Syed Z.Ahmed Sangsik Kim Department of Electrical and Computer Engineering Texas Tech UniversityLubbockTX 79409USA Department of Physics and Astronomy Texas Tech UniversityLubbockTX 79409USA School of Electrical Engineering Korea Advanced Institute of Science and TechnologyDaejeon 34141South Korea

Electromagnetic coupling via an evanescent field or radiative wave is a primary characteristic of light,allowing optical signal/power transfer in a photonic circuit but limiting integration density.A leaky mode,which combines both evanescent field and radiative wave,causes stronger coupling and is thus considered not ideal for dense *** we show that a leaky oscillation with anisotropic perturbation rather can achieve completely zero crosstalk realized by subwavelength grating(SWG)*** oscillating fields in the SWGs enable coupling coefficients in each direction to counteract each other,resulting in completely zero *** experimentally demonstrate such an extraordinarily low coupling between closely spaced identical leaky SWG waveguides,suppressing the crosstalk by≈40 dB compared to conventional strip waveguides,corresponding to≈100 times longer coupling *** leaky-SWG suppresses the crosstalk of transverse–magnetic(TM)mode,which is challenging due to its low confinement,and marks a novel approach in electromagnetic coupling applicable to other spectral regimes and generic devices.

关键词： crosstalk coupling enable

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The Influence of Rice Husk Ash on Mechanical Properties of the Mortar and Concrete: A Critical Review

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Open Journal of Civil Engineering 2024年第1期14卷 65-81页

作者： md Jahangir Alam Mithun Biswas Mohammad Biplab mia shahin Alam md Mosabber Hossain College of Civil and Transportation Engineering Hohai University Nanjing China School of Civil Engineering Chang’an University Xi’an China

Increasing the population and infrastructure in both emerging and developed countries requires a considerable amount of cement, which significantly affects the environment. The primary materials of concrete (‘cement’) production emit a large quantity of CO2 into the environment. Also, the cost of conventional building materials like cement gives motivation to find geopolymer waste materials for concrete. To reduce harmful effects on the environment and cost of traditional concrete substance, alternative waste materials like rice husk ash (RHA), ground granulated blast-furnace (GGBS), fly ash (FA), and metakaolin (MK) can be used due to their pozzolanic behavior. RHA waste material with a high silica concentration obtained from burning rice husks can possibly be used as a supplementary cementitious material (SCM) in the manufacturing of concrete, and its strong pozzolanic properties can contribute to the strength and impermeability of concrete. This review paper highlights a summary of the positive effect of using RHA as a partial substitute for cement in building construction, as well as its optimal inclusion of enhanced mechanical properties like compressive strength, flexural strength, and split tensile strength of mortar and concrete.

关键词： Cement Rice Husk Ash RHA Properties Mechanical Properties Carbon Di-oxide Emission and Greenhouse Gas

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Assessment of Microbial, Physicochemical Quality and Antibiotic Sensitivity Pattern of Bacteria of Drinking Water at Santosh, Tangail, Bangladesh

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Advances in Microbiology 2019年第12期9卷 1023-1038页

作者： Tamalika Saha Arifa Sultana md. Younus mia Sourav Sarker shahin Mahmud

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Comparative studies of elemental composition in leaves and flowers of Catharanthus roseus growing in Bangladesh

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Asian Pacific Journal of Tropical Biomedicine 2016年第1期6卷 50-54页

作者： shahin Aziz Koushik Saha Nasim Sultana Husna Parvin Nur md.Aminul Ahsan Shamim Ahmed md.Kamal Hossain Chemical Research Division BCSIR Department of Chemistry Jahangirnagar University Bangladesh Council of Scientific and Industrial Research (BCSIR) Laboratories

Objective:To investigate the elemental composition of the leaves and flowers of Catharanthus roseus(***) due to the plant's wide application in the indigenous medicinal system and its chemical constituents' ***:The atomic absorption spectrophotometer was used for quantitative analysis of various ***:Total 13 important elements were analyzed in leaves and flowers of *** indicated the presence of Na,K,Ca,Mg,Cr,Fe,Zn,Al,Cu,Ni,Pb,Cd and Mn in both leaves and *** most important finding of the work was that,leaves of *** showed high concentration of all elements except K and Zn while flowers of *** showed higher concentration of K and ***:The elemental composition in both leaves and flowers of *** were found to be ***,different parts of this medicinal plant are enriched in some micro and macro nutrients like Fe,Ca,Na,K,Zn,which are very important for biological metabolic system as well as human health.

关键词： Bangladesh Catharanthus roseus Indigenous medicinal systems Atomic absorption spectrophotometer Elemental composition

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Chemically and biologically activated biochars slow down urea hydrolysis and improve nitrogen use efficiency

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Pedosphere 2023年第4期33卷 659-669页

作者： Nazmul H.ANTOR Shamim mia md.M.HASAN Nowrose J.LIPI Keiji JINDO Miguel A.SANCHEZ-MONEDERO md.H.RASHID Department of Agronomy Patuakhali Science and Technology UniversityDumkiPatuakhali 8602(Bangladesh) Agrosystems Research Groups Wageningen University and ResearchWageningen 6700 AA(The Netherlands) Department of Soil and Water Conservation and Organic Waste Management Spanish National Research Council(CEBAS-CSIC)Murcia 30100(Spain)

Biochar is considered a potential technology to enhance chemical fertilizer use efficiency through intensification of the interactions between nutrients and the functional groups on biochar ***,little is known about how the application of activated biochars mixed with urea influences nitrogen(N)mineralization and crop performance in paddy ***,a sawdust-derived fresh biochar(FBC)(ca.400℃)was activated chemically with 15%hydrogen peroxide and biologically with a nutrient solution mixed with a soil inoculum to obtain a chemically activated biochar(CBC)and a biologically activated biochar(BBC),*** chemical and surface properties of FBC,CBC,and BBC were evaluated using spectroscopic methods,i.e.,Fourier transform infrared spectroscopy and 13C nuclear magnetic resonance,and potentiometric charge *** N retention capacity of biochars and their interaction with urea hydrolysis were examined in a laboratory incubation ***,a field experiment was carried out in a paddy field with the biochars unmixed or mixed with urea at a 1:1 *** results showed that negative surface functional groups and negative charges were increased on both activated biochars,especially *** activated biochars contributed to a significant reduction in urea-biochar suspension pH and increased N retention in the incubation *** the enhanced surface properties of the activated biochars,no similar increases in rice biomass and grain yield were observed for these biochars in the field ***,rice biomass,grain yield,apparent N use efficiency,and agronomic N use efficiency were significantly higher with the application of the three biochars compared to no-biochar ***,the results indicate that the application of urea mixed with biochar could enhance crop performance,especially in the case of activated biochar,which would enhance N retention in the soil,reducing N loss.

关键词： chemical property crop yield functionalized biochar nitrogen uptake nutrient use efficiency pyrolysis

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Synergistic Effects of Biochar and NPK Fertilizer on Soybean Yield in an Alkaline Soil

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Pedosphere 2015年第5期25卷 713-719页

作者： Fatima Z.METE Shamim mia Feike A.DIJKSTRA md.ABUYUSUF A.S.M.Iqbal HOSSAIN Department of Agronomy Patuakhali Science and Technology University Department of Environmental Science The University of Sydney

Biochar effects on legume growth and biological nitrogen fixation have been studied extensively, mostly in acidic soils with laboratory produced biochar. In the present study, a pot experiment in a full factorial experimental design was performed to examine soybean yield and nodulation of three genotypes grown with or without biochar and NPK fertilizers in an alkaline soil. We observed synergistic effects of biochar and NPK fertilizer applications on biomass and seed yields for all three soybean genotypes. Total biomass production and seed yield increased on average by 67% and 54%, respectively, with biochar and by 201% and 182% with NPK fertilizer application compared to the control. When applications of biochar and NPK fertilizer were combined, the increases were 391% and367%, respectively. However, the biomass production in the control was very low(692 kg ha-1) due to a high soil p H(8.80). The nodulation increased with biochar and NPK fertilizer applications, and was largest with the combined application. A correlation was found between leaf chlorophyll content(single photon avalanche diode value) and nodule number. We suggested that the synergistic increase in yield was due to a decrease in soil p H caused by biochar and NPK fertilizer applications thereby increasing P availability in this alkaline soil.

关键词： biological nitrogen fixation biomass production P availability seed yield soil pH

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