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The Basic Layout of a Denim Textile Industry:A Basic Review

Journal of Management Science & Engineering Research 2022年第1期5卷 1-16页

作者： md.Touhidul Islam md.Nahid hassan Department of Textile Engineering Mawlana Bhashani Science and Technology UniversityTangailDhakaBangladesh

Denim was produced in the city of Nîmes in France and was originally called the serge de Nî*** word denim is an English colloquialism of the French term:"denim."Day by day Bangladesh denim sector very much developed and helps to increase *** have seen a significant increase in investing in denim fabric manufacturing,increasing the country’s production performance by reducing fabric dependence on *** is important due to its aspects of durability,and not easily torn which benefited physical laborers *** government also plays a vital role in denim textile *** paper shows different section of denim textile industry such as:sewing section,cutting section,washing,IE and finishing *** main aim of this paper is how to role all the section of denim textile *** education is insufficient without industry attachment,which bridges the gap between theoretical and practical aspects and acclimates students to the industrial *** can gain about theoretical development on an industrial level from this *** can understand more about the machines used in various departments,their technical specifications,characteristics,operating system,and so on,and we believe that without this type of industrial connection,it is impossible to obtain industry-based information about textile engineering *** Industrial Attachment on Denim Manufacturing Technology was used to organize this study(sewing section,cutting,IE,washing section,CAD Section,and finishing *** operating procedures for the production of denim in the industry are presented in this *** technique and process of several procedures and processes are presented here such as machine specifications,manpower,maintenance,layout of the different section,dye processes and wet processes.

关键词： Denim Administration Management Manpower Washing

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Active Cell Balancing Control Strategy for Parallelly Connected LiFePO_(4) Batteries

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CSEE Journal of Power and Energy Systems 2021年第1期7卷 86-92页

作者： md Ohirul Qays Yonis Buswig md Liton Hossain md Momtazur Rahman Ahmed Abu-Siada Department of Electrical and Electrical Engineering Faculty of EngineeringUniversity Malaysia SarawakKota SamarahanSarawakMalaysia Department of Electrical and Computer Engineering Curtin UniversityKent StreetBentleyPerth 6102WAAustralia Electron Science Research Institute Edith Cowan University270 Joondalup DriveJoondalupWA6027Australia

While several recent studies have focused on elimi-nating the imbalance of energy stored in series-connected battery cells,very little attention has been given to balancing the energy stored in parallel-connected battery *** such,this paper aims at presenting a new balancing approach for parallel LiFePO_(4) battery *** this regard,a Backpropagation Neural Network(BPNN)based technique is employed to develop a Battery Management System(BMS)that can assess the charging status of all cells and control its operations through a DC/DC Buck-Boost *** results demonstrate the effectiveness of the proposed approach in balancing the energy stored in parallel-connected battery cells in which the state of charge(SoC)estimation error is found to be only 1.15%.

关键词： Active cell balancing battery management system DC/DC buck-boost converter state of charge estimation

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Experimental and analytical assessment of the hypervelocity impact damage of GLAss fiber REinforced aluminum

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Defence Technology（防务技术） 2022年第7期18卷 1232-1246页

作者： md.Zahid Hasan Bangladesh Air Force Academy Bangladesh Air Force Base Matiur RahmanBAF Academy Road7404 JessoreKhulnaBangladesh

This article addresses the response of GLAss fiber REinforced aluminum to hypervelocity impacts of micrometeoroid analogs at impact velocities of 7 km/s and *** relation,the damage modes of different GLAss fiber REinforced aluminum configurations have been *** GLAss fiber REinforced aluminum configurations comprised six to twelve variably thick aluminum layers and up to four plies of glass fiber reinforced epoxy per composite *** impact experiments have been conducted with the help of a two-stage light-gas gun,wherein aluminum-and stainless steel projectiles were launched at velocities up to 7.15 km/*** inspection of the damage area suggested the dissipation of impact energy in elastic-plastic deformation,petalling,delamination,debonding,tensile failure of fibers,and pyrolysis of epoxy.A prevailing damage mode was not apparent *** quasi-isotropic ply orientation of S2-glass/FM94-epoxy laminates promoted the interference of shockand rarefaction waves and suppressed the damage area of GLAss fiber REinforced *** discriminate between the impact performance of different GLAss fiber REinforced aluminum configurations,the energy dissipated in different damage modes of GLAss fiber REinforced aluminum has been assessed *** terms of normalized energy,the cross-ply GLAss fiber REinforced aluminum dissipated higher energy in petal formation than in other primary damage *** normalized petalling energy was found to decline with the increase of impact *** outcomes of this study will help to optimize the GLAss fiber REinforced aluminum laminate,which will be employed as a bumper shield to prevent the fatal damage and the unzipping of a spacecraft pressure bulkhead.

关键词： Hypervelocity impact Petalling Fiber failure Volumetric compression Sublimation of epoxy

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Behaviour of self-centring shear walls——A state of the art review

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Frontiers of Structural and Civil Engineering 2023年第1期17卷 53-77页

作者： Mehdi JAVADI Reza hassanLI md Mizanur RAHMAN md Rajibul KARIM UniSA STEM University of South AustraliaAdelaide 5095Australia

The application of unbonded post-tensioning (PT) in structural walls has led to the development of advanced self-centring (rocking) shear wall systems that has significant advantages, including accelerated construction due to the incorporation of prefabricated elements and segmental construction for different materials (e.g., concrete, masonry, and timber), reduced residual drifts, and little damage upon extreme seismic and wind loads. Concrete, masonry, and timber are often used for the construction of unbonded PT structural wall systems. Despite extensive research since the 1980s, there are no well-established design guidelines available on the shear wall configuration with the required energy dissipation system, joint’s locations and acceptance criteria for shear sliding, confinement, seismic performance factors, PT loss, PT force range and residual drifts of shear walls subjected to lateral loads. In this research a comprehensive state-of-the-art literature review was performed on self-centring shear wall system. An extensive study was carried out to collect a database of 100 concrete, masonry, and self-centring shear wall tests from the literature. The established database was then used to review shear walls’ configurations, material, and components to benchmark requirements applicable for design purposes. The behaviour of concrete, masonry and timber shear walls were compared and critically analysed. The general behaviour, force-displacement performance of the walls, ductility, and seismic response factors, were critically reviewed and analysed for different self-centring wall systems to understand the effect of different parameters including configurations of the walls, material used for construction of the wall (concrete, masonry, timber) and axial stress ratio. The outcome of this research can be used to better understand the behaviour of self-centring wall system in order to develop design guidelines for such walls.

关键词： self-centring shear walls rocking walls energy dissipation seismic performance factors PT loss residual drift

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Morphological and Genetical Variability among Rhizoctonia solani Isolates Causing Sheath Blight Disease of Rice

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Rice science 2016年第1期23卷 42-50页

作者： Zakiah Rahman MONI md Ansar ALI md Shahidul ALAM md Asif RAHMAN md Rejwan BHUIYAN md Salim MIAN Khandakar md IFTEKHARUDDAULA md Abdul LATIF Mohammad Ashik Iqbal KHAN Plant Breeding Division Bangladesh Rice Research Institute Director Research Bangladesh Rice Research Institute Department of Botany Rajshahi University Department of Genetics and Plant Breeding Bangabandhu Sheikh Mujibur Rahman Agricultural University Plant Pathology Division Bangladesh Rice Research Institute

Eighteen isolates of Rhizoctonia solani collected from infected rice plants in four different locations of Bangladesh were studied by using morphological characters and molecular markers. Anastomosis study with a reference isolate confirmed that all the isolates belonged to R. solani. Significant variation was observed in sclerotial size, shape and distribution. Un-weighted pair group method with arithmetic mean dendrogram constructed based on the Gower＇s general similarity coefficient showed that these isolates were grouped into four clusters at the 0.68 similarity coefficent according to morphological characters. Cluster I was a major cluster consisting of 13 isolates, while clusters Ⅱ to Ⅳ consisted of 1 or 2 isolates. Analyses by variable number of tandem repeat and amplified fragment length polymorphism markers showed that the isolates were grouped into five and three clusters at a similarity coefficient of 0.64 and 0.69, respectively. Although most of the variability was found between isolates from different regions as expected, significant variation was observed within the isolates collected from similar agro-ecological regions. Our results suggest the presence of different races of R. solani within the same local geographic regions.

关键词： rice Rhizoctonia solani fungal variability molecular marker morphological character

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Inflammation,microbiome and colorectal cancer disparity in African-Americans:Are there bugs in the genetics?

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World Journal of Gastroenterology 2022年第25期28卷 2782-2801页

作者： Sami Ahmad hassan Ashktorab hassan Brim Franck Housseau Department of Oncology Johns Hopkins UniversityBaltimoreMD 21231United States Department of Medicine Howard UniversityWashingtonDC 20060United States Department of Pathology Howard UniversityWashingtonDC 20060United States

Dysregulated interactions between host inflammation and gut microbiota over the course of life increase the risk of colorectal cancer(CRC).While environmental factors and socio-economic realities of race remain predominant contributors to CRC disparities in African-Americans(AAs),this review focuses on the biological mediators of CRC disparity,namely the under-appreciated influence of inherited ancestral genetic regulation on mucosal innate immunity and its interaction with the *** remains a poor understanding of mechanisms linking immune-related genetic polymorphisms and microbiome diversity that could influence chronic inflammation and exacerbate CRC disparities in AAs.A better understanding of the relationship between host genetics,bacteria,and CRC pathogenesis will improve the prediction of cancer risk across race/ethnicity groups overall.

关键词： Inflammation African-American Population-specific genome wide association studies Minorities health Microbiome Colorectal cancer

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A Heuristic on Risk Management System in Goods Transportation Model Using Multi-Optimality by MODI Method

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Open Journal of Applied Sciences 2016年第8期6卷 539-551页

作者： md. Ashraful Babu Jahira Tabassum md. Nazmul hassan Department of Mathematics BCS-General Education Dhaka Bangladesh Department of Mathematics International University of Business Agriculture and Technology (IUBAT University) Dhaka Bangladesh Department of Civil & Environmental Engineering Uttara University Dhaka Bangladesh

Transport risk management is one of the predominant issues to any industry for supplying their goods safely and in time to their beneficiaries. Damaging goods or delaying the shipping both make penalty to the company and also reduce the goodwill of the company. Every way of transportation routes has to be comfy which can make sure the supplies will attain without damaging goods and in time and additionally cost efficiently. In this paper, we find a few not unusual risks which might be concerned about all types of way of routes which include Highway, Waterway, Airway, Railway and so forth. Additionally, we proposed a technique to attain multiple optimal solutions by using Modified Distribution Method (MODI) of a transportation problem. Finally, we reduce the risks by minimizing the possible number of transportation routes using multi-optimality technique of the transportation problem.

关键词： Transportation Problem Multi-Optimality Modified Distribution Method (MODI) Risk Factors Transport Risk Management

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Self-centring segmental retaining walls—A new construction system for retaining walls

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Frontiers of Structural and Civil Engineering 2021年第4期15卷 980-1000页

作者： Mehdi JAVADI Reza hassanLI md Mizanur RAHMAN md Rajibul KARIM UniSA STEM University of South AustraliaMawson Lakes5095Australia

This paper reports on an experimental study on a new self-centring retaining wall *** post-tensioned segmental retaining walls(PSRWs)were experimentally *** of the walls was constructed using seven T-shaped concrete segments with a dry *** walls were tested under incrementally increasing cyclic lateral *** effect of the wall height,levels of post-tensioning(PT)force,and bonded versus unbonded condition of PT reinforcement on the structural behavior of the PSRWs was *** results showed that such PSRWs are structurally adequate for water retaining *** to the results,increasing the wall height decreases initial strength but increases the deformation capacity of the *** larger deformation capacity and ductility of PSRW make it a suitable structural system for fluctuating loads or deformation,e.g.,*** was also found that increasing the PT force increases the wall’s stiffness;however,reduces its *** residual drift and the extent of damage of the unbonded PSRWs were significantly smaller than those of the bonded *** suggest that this newly developed self-centring retaining wall can be a suitable structural system to retain lateral *** to its unique deformation capacity and self-centring behavior,it can potentially be used for seawall application.

关键词： retaining wall segmental precast concrete unbonded post-tensioning water retaining wall seawall

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Remote Sensing and GIS for the Spatio-Temporal Change Analysis of the East and the West River Bank Erosion and Accretion of Jamuna River (1995-2015), Bangladesh

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Journal of Geoscience and Environment Protection 2017年第9期5卷 79-92页

作者： md Arafat hassan Suriya Jesmine Ratna Masud hassan Sonia Tamanna Department of Geography and Environment University of Dhaka Dhaka Bangladesh Department of Soil Water and Environment University of Dhaka Dhaka Bangladesh Chittagong University of Engineering and Technology Chittagong Bangladesh

Jamuna River is one of the principal rivers of Bangladesh, changing continuously due to erosion and accretion over the past decades. This analysis evaluates the East Bank and the West Bank erosion and accretion between 1996 and 2015 for Jamuna River. An unsupervised classification algorithm and post-classification change employing skills in Geographic Information System are performed to evaluate spatial and temporal dynamics of erosion and accretion for different points of Jamuna River using Bangladesh. Landsat image (1995, 2005, 2015). The correctness of the Landsat-produced map ranges from 82% to 84%. It has been evidently observed that changes in the proportion of erosion and accretion differ in different points of Jamuna River. The highest eroded area is 3.82 square kilometers (km2) during the period of 1995 to 2005 and the highest accreted area is 6.15 square kilometers (km2) during the period of 1995 to 2015. The erosion and accretion values fluctuated from place to place. The changing trend of Riverbank is creating many socio-economic problems in the proximate areas.

关键词： Remote Sensing GIS River Erosion Accretion Change Analysis Jamuna River

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Graphene-Coated Optical Fiber SPR Biosensor for BRCA1 and BRCA2 Breast Cancer Biomarker Detection:a Numerical Design-Based Analysis

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Photonic Sensors 2020年第1期10卷 67-79页

作者： md.Biplob HOSSAIN md.Muztahidul ISLAM Lway Faisal ABDULRAZAK md.Masud RANA Tarik Bin Abdul AKIB Mehedi hassan Dept.of Electrical and Electronic Engineering Jashore University of Science and TechnologyJashore-7408Bangladesh Dept.of Electrical and Electronic Engineering Bangladesh Army University of Engineering and TechnologyNatore-6431Bangladesh Dept.of Computer Science Cihan University SlemaniSulaimaniya-46001Iraq Dept.of Electrical and Electronic Engineering Rajshahi University of Engineering&TechnologyRajshahi-6402Bangladesh

This paper provides a simple hybrid design and numerical analysis of the graphene-coated fiber-optic surface plasmon resonance(SPR)biosensor for breast cancer gene-1 early onset(BRCA1)and breast cancer gene-2 early onset(BRCA2)genetic breast cancer *** specific mutations named 916delTT and 6174delT in the BRCA1 and BRCA2 are selected for numerical detection of breast *** sensor is based on the technique of the attenuated total reflection(ATR)method to detect deoxyribonucleic acid(DNA)hybridization along with individual point mutations in BRCA1 and BRCA2 *** have numerically shown that momentous changes present in the SPR angle(minimum:135%more)and surface resonance frequency(SRF)(minimum:136%more)for probe DNA with various concentrations of target DNA corresponding to a mutation of the BRCA1 and BRCA2 *** variation of the SPR angle and SRF for mismatched DNA strands is quite negligible,whereas that for complementary DNA strands is considerable,which is essential for proper detection of genetic biomarkers(916delTT and 6174delT)for early breast *** last,the effect of electric field distribution in inserting graphene layer is analyzed incorporating the finite difference time domain(FDTD)technique by using Lumerical FDTD solution commercial *** the best of our knowledge,this is the first demonstration of such a highly efficient biosensor for detecting BRCA1 and BRCA2 breast ***,the proposed biosensor opens a new window toward the detection of breast cancers.

关键词： ATR BRCA1 BRCA2 cancer DNA hybridization graphene,SPR SRF 6174delT 916delTT

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