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Two-dimensional MXenes:New frontier of wearable and flexible electronics

InfoMat 2022年第4期4卷 1-28页

作者： Abbas Ahmed Sudeep Sharma Bapan Adak md.Milon hossain Anna Marie LaChance Samrat Mukhopadhyay Luyi Sun Polymer Program Institute of Materials ScienceUniversity of ConnecticutStorrsConnecticutUSA Advanced Sensor and Energy Research(ASER)Lab Department of Electronic EngineeringKwangwoon UniversitySeoulSouth Korea Department of Textile and Fiber Engineering Indian Institute of TechnologyNew DelhiIndia Department of Textile Engineering Chemistry and ScienceNorth Carolina State UniversityRaleighNorth CarolinaUSA Department of Textile Engineering Khulna University of Engineering&TechnologyKhulnaBangladesh Department of Chemical and Biomolecular Engineering University of ConnecticutStorrsConnecticutUSA

Wearable electronics offer incredible benefits in mobile healthcare monitoring,sensing,portable energy harvesting and storage,human-machine interactions,etc.,due to the evolution of rigid electronics structure to flexible and stretchable ***,transition metal carbides and nitrides(MXenes)are highly regarded as a group of thriving two-dimensional nanomaterials and extraordinary building blocks for emerging flexible electronics platforms because of their excellent electrical conductivity,enriched surface functionalities,and large surface *** article reviews the most recent developments in MXene-enabled flexible electronics for wearable *** MXeneenabled electronic devices designed on a nanometric scale are highlighted by drawing attention to widely developed nonstructural attributes,including 3D configured devices,textile and planer substrates,bioinspired structures,and printed ***,the unique progress of these nanodevices is highlighted by representative applications in healthcare,energy,electromagnetic interference(EMI)shielding,and humanoid control of *** emerging prospects of MXene nanomaterials as a key frontier in nextgeneration wearable electronics are envisioned and the design challenges of these electronic systems are also discussed,followed by proposed solutions.

关键词： flexible electronics MXene nanostructures wearable electronics

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A systematic review of machine learning techniques for cattle identification:Datasets,methods and future directions

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Artificial Intelligence in Agriculture 2022年第1期6卷 138-155页

作者： md.Ekramul hossain Muhammad Ashad Kabir Lihong Zheng Dave L.Swain Shawn McGrath Jonathan Medway School of Computing Mathematics and EngineeringCharles Sturt UniversityBathurstNSW 2795Australia Gulbali Institute for Agriculture Water and EnvironmentCharles Sturt UniversityWagga WaggaNSW 2678Australia TerraCipher Pty.Ltd. Alton DownsQLD 4702Australia Fred Morley Centre School of Animal and Veterinary SciencesCharles Sturt UniversityWagga WaggaNSW 2678Australia Food Agility CRC Ltd SydneyNSW 2000Australia

Increased biosecurity and food safety requirements may increase demand for efficient traceability and identification systems of livestock in the supply *** advanced technologies of machine learning and computer vision have been applied in precision livestock management,including critical disease detection,vaccination,production management,tracking,and health *** paper offers a systematic literature review(SLR)of vision-based cattle *** specifically,this SLR is to identify and analyse the research related to cattle identification using Machine Learning(ML)and Deep Learning(DL).This study retrieved 731 studies from four online scholarly ***-five articles were subsequently selected and investigated in *** the two main applications of cattle detection and cattle identification,all the ML based papers only solve cattle identification ***,both detection and identification problems were studied in the DL based *** on our survey report,the most used ML models for cattle identification were support vector machine(SVM),k-nearest neighbour(KNN),and artificial neural network(ANN).Convolutional neural network(CNN),residual network(ResNet),Inception,You Only Look Once(YOLO),and Faster R-CNN were popular DL models in the selected *** these papers,the most distinguishing features were the muzzle prints and coat patterns of *** binary pattern(LBP),speeded up robust features(SURF),scaleinvariant feature transform(SIFT),and Inception or CNN were identified as the most used feature extraction *** paper details important factors to consider when choosing a technique or *** also identified major challenges in cattle *** are few publicly available datasets,and the quality of those datasets are affected by the wild environment and movement while collecting *** processing time is a critical factor for a real-time cattle identification ***,a recommendati

关键词： Cattle identification Cattle detection Machine learning Deep learning Cattle farming

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Sources of Nitrogen in Combination with Systems of Irrigation Influence the Productivity of Modern Rice(Oryza sativa L.)Cultivars during Dry Season in Sub-Tropical Environment

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Phyton-International Journal of Experimental Botany 2022年第8期91卷 1687-1708页

作者： Uttam Kumer Sarker md.Romij Uddin Ahmed Khairul Hasan md.Abdur Rahman Sarkar md.Abdus Salam md.Alamgir hossain Eldessoky S.Dessoky Ismail A.Ismail Department of Agronomy Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Crop Botany Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Biology College of ScienceTaif UniversityTaif21944Saudi Arabia

In irrigated agricultural systems,nitrogen(N)and water are the vital resources for sustainability of the crop production in the modern era of climate *** current study aimed to assess the impact of water and N management on the productivity of irrigated rice *** the context,a field observation was done at the research farm of Bangladesh Agricultural University,Mymensingh,during dry seasons in consecutive two years(2018–2019 and 2019–2020).The experiments were set up following split-plot design assigning water management in the main plots,nitrogen management in the sub-plots,and the cultivars were approved in the split-split plot with three *** two years observation,it was revealed that rice cultivar Binadhan-8 gave the maximum value of leaf area index,number effective tillers hill-1 and grains panicle-1 which lead to the higher grain yield(GY).Substantial relationships were observed among the concentration of N,growth,total dry matter(TDM)and N content,N uptake,N utilization effectiveness,and ***,with little exception,the Combined effect of water and N,cultivars and water management were varied significantly for all ***,the results of the current study concluded that application of irrigation at 8 days after the disappearance of ponded water and source of 105 kg N ha-1 from PU+Poultry manure are the best management approach for the excellent performance of rice cultivar Binadhan-8.

关键词： Growth stage high yielding rice cultivar internal N use efficiency water productivity

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Integrated Nutrient Management Improves Productivity and Quality of Sugarcane(Saccharum Officinarum L.)

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Phyton-International Journal of Experimental Botany 2022年第2期91卷 439-469页

作者： md.Shamsul Arefin md.Ariful Islam md.Mokhlesur Rahman md.Abdul Alim Sabry Hassan Mahmoud F.K.Soliman Mohamed M.Hassan Rajan Bhatt Akbar hossain Physiology and Sugar Chemistry Division Bangladesh Sugarcrop Research InstituteIshurdi6620Bangladesh On-Farm Research Division Bangladesh Agricultural Research InstitutePabna6600Bangladesh Department of Agricultural Chemistry Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Food Technology and Rural Industries Bangladesh Agricultural UniversityMymensingh2202Bangladesh Department of Biology College of ScienceTaif UniversityTaif21944Saudi Arabia Nature Conservation Sector Egyptian Environmental Affairs AgencyCairo11728Egypt Regional Research Station Panjab Agricultural UniversityKapurthala144601India Bangladesh Wheat and Maize Research Institute Dinajpur5200Bangladesh

Sugarcane is one of the major important sugar yielding crops in *** an exhaustive crop,sugarcane removes a huge amount of plant nutrients from the ***,the combined use of organic and inorganic fertilizers can be a good approach to deal with nutrient depletion and promote sustainable crop production as well as improve soil ***,an attempt was made to identify the most fruitful and profitable integrated nutrient management on the aspects of growth,yield and quality of sugarcane in two consecutive growing *** treatments:T_(1)=Control,T_(2)=165:55:120:30:10:2.5:4 kg N:P:K:S:Mg:Zn:B ha^(−1),T_(3)=Poultry Litter(PL)at 5 t ha^(−1)+95:51:87:9:10:2.5:4 kg N:P:K:S:Mg:Zn:B ha^(−1),T_(4)=Cow Dung(CD)at 15 t ha^(−1)+36:52:60:17:10:2.5:4 kg N:P:K:S:Mg:Zn:B ha^(−1),T_(5)=Press Mud(PM)at 15 t ha^(−1)+10:50:43:0:10:2.5:4 kg N:P:K:S:Mg:Zn:B ha^(−1),T_(6)=Mustard Oil Cake(MOC)at 0.5 t ha^(−1)+140:54:115:25:10:2.5:4 kg N:P:K:S:Mg:Zn:B ha^(−1)and T_(7)=GM(Green Manure)at 5 t ha^(−1)+140:53:100:28:10:2.5:4 kg N:P:K:S:Mg:Zn:B ha^(−1)were used in this *** years data showed that treatment T_(3)produced the maximum amount of tillers,total dry matter yield,millable sugarcane,cane yield and sugar yield,followed by the T_(4)*** highest stalk heights were recorded in the T_(3)treatment,which was statistically similar to all other treatments except T_(1)and T_(2).The juice quality parameters viz.,brix and pol in cane were found significant in treatment T_(3)while the highest purity was obtained in the T_(7)*** the data of Jaggery(goor)quality parameters,the highest sucrose content,color transmittance,Jaggery(goor)recovery and the lowest ash content of Jaggery(goor)were observed in the T_(3)treatment,which was statistically similar to the T_(4)treatment in both *** highest cost of production was obtained from the T_(6)treatment while the highest gross return,net return and BCR were recorded in the T_(3)*** sig

关键词： Nutrient fertilizer growth physiology yield quality sugarcane

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Post-displacement status of climate migrants in Rajshahi City, Bangladesh

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Regional Sustainability 2022年第3期3卷 183-187页

作者： Syed Mahbubur RAHMAN Mahreen MAMOON md.Shamimul ISLAM Saif hossain Rezwanul HAQUE Abul Bashar md.ZUBAIR Brac Business School Brac UniversityDhaka1212Bangladesh College of Education Purdue UniversityWest LafayetteIN 47907USA School of Business University of Southern QueenslandToowoombaQLD 4350Australia PROGGA(Knowledge for Progress) Dhaka1216Bangladesh

Some big cities in Bangladesh have been experiencing a massive and rapid influx of rural people due to the impacts of climate change,and therefore the urban administration encounters enormous *** study aims to investigate the drivers of climate-induced migration and the post-displacement status of the migrants living in the urban slum of Rajshahi *** a semi-structured questionnaire survey,this study conducted interviews with 50 migrants residing in two slums in Rajshahi *** interpretive phenomenological analysis(IPA)approach was implemented to evaluate the survey *** study finds that food insecurity and flood are the two significant climate drivers of *** the non-climate drivers,lack of alternative livelihood is the major *** should be noticed that the climate migrants in many cases do not get the opportunity to improve their living standards;they are usually occupied with low-pay professions like maid,van and rickshaw puller,and scrap *** study also reveals that migrants,especially females and children,need several basic physiological,economic,social,and health *** children have no chance to attend *** to males,females have more opportunities for some support and ***,an inadequate level of change has taken place in the lives of migrants,which raises the concern if migration is ever a way to resolve a problem or the beginning of many other *** research may concentrate on the impact of migration on the dynamics of social capital among slum dwellers.

关键词： Climate-induced migration Migration driver Slum dweller Post-migration status Interpretive phenomenological analysis(IPA) Bangladesh

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Postoperative Acute Bilateral Irvine-Gass Syndrome following Uncomplicated Phacoemulsification Surgery with Trifocal IOL—Two Case Reports

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Open Journal of Ophthalmology 2022年第1期12卷 34-43页

作者： Ishtiaque Anwar Sharah Rahman Sofia Akhter Shah Noor Hassan md. Sanwar hossain Siddiqur Rahman Anisur Rahman Glaucoma and Cataract Department Bangladesh Eye Hospital and Institute Dhaka Bangladesh Cornea and Cataract Department Bangladesh Eye Hospital and Institute Dhaka Bangladesh Clinical and Research Coordinator Dhaka Eye Care Hospital Dhaka Bangladesh Vitreo-Retina Department Bangladesh Eye Hospital and Institute Dhaka Bangladesh Ophthalmology Department Dr. Sirajul Islam Medical College Dhaka Bangladesh Northern International Medical College Dhaka Bangladesh Dhaka Medical College and Hospital Dhaka Bangladesh

The case studies are about atypical bilateral, postoperative Cystoid Macular Edema (CME) in two patients who underwent bilateral uncomplicated pha- coemulsification surgery with a trifocal Intraocular Lens (IOL). In postoperative follow-up, both the cases presented with complaints of bilateral blurring of vision. Irvine-Gass syndrome has been diagnosed after evaluation of the retina by fundoscopy and OCT macula. Posterior subtenon steroid injection has been prescribed and given. Regular OCT examinations indicated substantial ede- ma improvement. Subsequent improvement in visual acuity was also noted in both cases. Cystoid macular edema can happen in any case irrespective of the quality of IOL. The visual outcome is satisfactorily responsive towards steroid medication.

关键词： Irvine-Gass Syndrome Cystoid Macular Edema (CME) NSAID Postoperative CME

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Milestones of Wireless Communication Networks and Technology Prospect of Next Generation(6G)

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Computers, Materials & Continua 2022年第6期71卷 4803-4818页

作者： Mohammed H.Alsharif md.Sanwar hossain Abu Jahid Muhammad Asghar Khan Bong Jun Choi Samih M.Mostafa Department of Electrical Engineering College of Electronics and Information EngineeringSejong University209 Neungdong-roGwangjin-guSeoul05006Korea Department of Electrical and Electronic Engineering Bangladesh University of Business and TechnologyDhaka1216Bangladesh Department of Electrical&Computer Engineering University of OttawaOttawaON K1N 6N5Canada Department of Electrical Engineering Hamdard University KarachiIslamabad CampusIslamabad44000Pakistan School of Computer Science and Engineering&School of Electronic Engineering Soongsil UniversitySeoulKorea Faculty of Computers and Information South Valley UniversityQena83523Egypt Academy of Scientific Research and Technology Cairo11516Egypt

Since around 1980,a new generation of wireless technology has arisen approximately every 10 ***-generation(1G)and secondgeneration(2G)began with voice and eventually introduced more and more data in third-generation(3G)and became highly popular in the fourthgeneration(4G).To increase the data rate along with low latency and mass connectivity the fifth-generation(5G)networks are being installed from ***,the 5G technology will not be able to fulfill the data demand at the end of this ***,it is expected that 6G communication networks will rise,providing better services through the implementation of new enabling technologies and allowing users to connect everywhere.6G technology would not be confined to cellular communications networks,but would also comply with non-terrestrial communication system requirements,such as satellite *** ultimate objectives of this work are to address the major challenges of the evolution of cellular communication networks and to discourse the recent growth of the industry based on the key scopes of application and *** main areas of research topics are summarized into(i)major 6G wireless networkmilestones;(ii)key performance indicators;(iii)future new applications;and(iv)potential fields of research,challenges,and open issues.

关键词： Wireless networks beyond 5G 6G communications terahertz frequency terahertz communications holographic calls

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Rural-urban differences in distributions and determinants of facility delivery among women in Bangladesh

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Global Health Journal 2023年第4期7卷 222-229页

作者： Jannatun Nayeem Christina Stennett Atia Sharmeen md.Mahbub hossain Gulam Muhammed Al Kibria Comilla Medical College Comilla 3500Bangladesh University of Maryland School of Medicine BaltimoreMD 21201United States Morgan State University BaltimoreMD 21093United States Texas A&M School of Public Health College StationTexasTX 77843United States Johns Hopkins Bloomberg School of Public Health BaltimoreMD 21205United States

Introduction:The utilization of facility delivery is crucial to achieve sustainable development goals by reducing maternal and neonatal *** study aimed to compare the distributions and determinants of childbirth in health facilities in urban and rural regions of ***:Cross-sectional data from the 2017-2018 Bangladesh Demographic and Health Survey were *** logistic regression was ***:A total of 4751 women were included in the *** 50%of childbirths took place in health facilities,63.4%and 44.6%in urban and rural regions,***,the odds of the association between facility delivery and the studied factors were *** women had significantly lower odds of facility delivery in both rural(adjusted odds ratio[AOR]=0.3,95%confidence interval[CI]:0.2 to 0.5)and urban(AOR=0.2,95%CI:0.1 to 0.5)*** both regions,women with higher education levels,highly educated husbands,antenatal care(ANC),and higher wealth indexes had significantly higher odds of facility ***:Several common associated factors were ***,differences were observed regarding distributions of these *** differences in facility delivery utilization could result from lower ANC utilization,socioeconomic status,and transportation facilities in rural regions than urban regions;therefore,improving these conditions could increase facility delivery in these regions.

关键词： Bangladesh Facilitydelivery Determinants Distributions Urban Rural Childbirth

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A New Algorithm for a Condenser Design for Large-Scale Nuclear Power Plants in Tropical Region

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Journal of Thermal Science 2020年第5期29卷 1370-1389页

作者： KHAN Abid hossain ISLAM md.Shafiqul Department of Industrial and Production Engineering Jashore University of Science and TechnologyJashore 7408Bangladesh Department of Nuclear Engineering University of DhakaDhaka 1000Bangladesh

This work presents a new velocity search algorithm for designing a condenser of a 1200 MWe large-scale nuclear power plant situated in tropical *** this,the condenser pressure was considered in the range of 7.5-15 kPa while its tube inner diameter was taken as 28 mm with 1 mm tube wall *** longitudinal and transverse condensers with multiple shell tanks and varied shell tank lengths from 8-14 m have been considered in this *** different tertiary coolant temperature rises were chosen as 4°C,8°C and 12°C by considering tropical region average reservoir water temperature range of 28°C to 32°C during *** of tertiary coolant was kept within 0.75-1.5 m/s to ensure sufficient turbulence to avoid erosion-corrosion of the *** simulation has been employed to obtain tube-side pressure drop and convection heat transfer coefficient directly from tertiary coolant inlet velocity using κ-ω turbulent flow model.A new iterative“Velocity-search algorithm”has been developed that focuses on finding the correct tertiary coolant velocity instead of overall heat transfer *** revealed that velocity-search algorithm yielded very close to the important physical and thermal parameters of condenser compared to the existing design data in large scale nuclear power ***-search algorithm has given less number of condenser design physical parameters that meets the velocity acceptance criteria for longitudinal condenser compared to the transverse ***,velocity-search algorithm is found to be more reliable,robust,and consistent for condenser design compared to the conventional design algorithm used in Log-Mean Temperature Difference method.

关键词： nuclear power plant vacuum condenser velocity-search algorithm tropical region

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Adhesive free,conformable and washable carbon nanotube fabric electrodes for biosensing

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npj Flexible Electronics 2022年第1期6卷 940-948页

作者： md.Milon hossain Braden M.Li Busra Sennik Jesse S.Jur Philip D.Bradford Department of Textile Engineering Chemistry and ScienceNorth Carolina State UniversityRaleighNCUSA Department of Mechanical and Aerospace Engineering Cornell UniversityIthacaNYUSA Air Force Life Cycle Management Center Human Systems DivisionWright-Patterson AFBDaytonOHUSA Air Force Research Laboratory Materials and Manufacturing DirectorateWright-Patterson AFBDaytonOHUSA

Skin-mounted wearable electronics are attractive for continuous health monitoring and human-machine *** commonly used pre-gelled rigid and bulky electrodes cause discomfort and are unsuitable for continuous long-term monitoring ***,we design carbon nanotubes(CNTs)-based electrodes that can be fabricated using different textile manufacturing *** propose woven and braided electrode design using CNTs wrapped textile yarns which are highly conformable to skin and measure a high-fidelity electrocardiography(ECG)*** skin-electrode impedance analysis revealed size-dependent *** demonstrate outstanding wearability,we designed a seamless knit electrode that can be worn as a *** designed CNT-based dry electrodes demonstrated record high signal-to-noise ratios and were very stable against motion *** durability test of the electrodes exhibited robustness to laundering and practicality for reusable and sustainable applications.

关键词： electrode carbon durability

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