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Optimization of Finishing Process and Energy Savings in Denim Textile Facility

Journal of Textile Science and Technology 2023年第3期9卷 151-164页

作者： md. Enamul Haque Kaisul kabir md. Asib Khan Mohammad Abu Syed Nizami Rajib kabiraj Mohammed Fakhruddin md. Golam Arif md. Abu Hanif Khulna University of Engineering & Technology Khulna Bangladesh Textile Engineering College Chittagong Bangladesh Bangladesh University of Textiles Dhaka Bangladesh Dhaka University of Engineering & Technology Gazipur Bangladesh Bangabandhu Textile Engineering College Tangail Bangladesh

Denim is widely accepted among exported textile products due to its aesthetics, appearance, and fashion. Practitioners employed several physical or chemical treatments to improve denim qualities in denim finishing operations. So, several treatment processes, including enzymatic, bleaching, singeing, heat set, and ozone finish, are used, which made this processing more energy consumption and time-consuming. Therefore, it is significant to investigate how changing the chemicals and raw ingredients could improve the finishing process, which is environmentally and economically beneficial for sustainable production practices in the denim finishing process. This study’s research design comprises an experimental investigation in a denim plant in Bangladesh. Two different fabrics were chosen to analyze, determining the potential savings of finishing on the denim fabrics’ performance characteristics. By deducting singeing and heat-set processes, the researchers ran an experimental process by maintaining the same length of fabric. Then, the impacts of finishing process optimization on the mechanical, thermal, and comfort parameters of drape, stiffness, and tear strength were examined. The study’s findings demonstrated that this experiment increased productivity and reduced the finishing unit’s energy consumption without compromising the denim fabrics’ quality. This study significantly impacts environmental sustainability by preserving limited energy resources and manufacturing denim finishing processes.

关键词： Finishing Process Energy Savings Denim Fabrics Potential Savings Process Optimization Cotton-Elastane Fabric

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De-Speckling of SAR Images with Fuzzy Filters along with Altered Preserved Edge Values

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Journal of Computer and Communications 2022年第3期10卷 10-28页

作者： md. Mynoddin Mohd. Foyzul kabir Nazrul Islam Rezaul Karim Hasin Rehana Sayed Asaduzzaman Department of Computer Science and Engineering Rangamati Science and Technology University Rangamati Bangladesh Department of Software Engineering Daffodil International University Dhaka Bangladesh Department of Information and Communication Technology Mawlana Bhashani Science and Technology University Tangail Bangladesh Department of Mathematics Mawlana Bhashani Science and Technology University Tangail Bangladesh Department of Computer Science and Engineering Daffodil International University Dhaka Bangladesh

In this research, the denoising of speckled SAR image has been done with fuzzy filters (ATMED, TMED, ATMAV & TMAV). SAR image or Synthetic Aperture Radar image consists of the informatics of ISW (Internal solitary waves). A new technique has been proposed which preserved the edge pixels by fuzzy edge detection method and then altered with the filtered image-pixels by fuzzy filtration for getting the denoised image. The comparative result shows that the proposed filter performs better than the other filtered results in terms of PSNR (41.61 dB), MAE (1.47), MSE (4.54) for TMAVxAPE & SSIM (81%) for ATMEDwAPE. The proposed method in this research shows better SSI (Spackle Suppression Index) value. Therefore the experimental result illustrates that the suggested fuzzy filter is much more capable of simultaneously protecting edges and suppressing speckle noise. This research will be beneficial to remove spackle noise from SAR images and can be used for remote sensing and mapping of surface area of earth.

关键词： SAR Image Image Processing Fuzzy Logic Speckle Noise Noise Reduction

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The Perspective of Acquired Immunity to Combat against Infectious Diseases: An Overview

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Health 2021年第9期13卷 1020-1044页

作者： md. Shahidul Islam Irfan Chaudhuri Mahadee Al Mobin Mobashara Islam md. Shahriar Mahmud md. KutubUddin K. M. Ariful kabir md. Kamrujjaman Department of Mathematics University of Dhaka Dhaka Bangladesh Department of Chemistry Colby College Maine USA Department of Genetic Engineering and Biotechnology University of Dhaka Dhaka Bangladesh Department of Computer Science & Engineering State University of Bangladesh Dhaka Bangladesh Department of Mathematics Bangladesh University of Engineering and Technology Dhaka Bangladesh Department of Mathematics and Statistics University of Calgary Calgary Canada

There is a long ritual of acquired immunity using physical exercise, a balanced diet, and pharmaceutical medication to generate immunity against a particular disease insight into the human body. This paper has extensively reviewed the impact of exercise, daily life practice, food selection, and several other issues to improve the immune system that combat infection. Studying the effect of exercise in varying degrees on the immunity system of humans is well developed and exhibit in this study. It investigates the prevention of pandemics due to herd immunity and finds the perfect amount of exercise to boost immunity to its maximum. Besides the life practice, it is also explored that vaccination can improve and optimize herd immunity.

关键词： Natural Immunity Medicated Immunity Physical Exercise Vaccination Infectious Diseases

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Multi-institutional retrospective analysis of FOLFIRI in patients with advanced biliary tract cancers

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World Journal of Gastrointestinal Oncology 2020年第1期12卷 83-91页

作者： Jonathan D Mizrahi Valerie Gunchick kabir Mody Lianchun Xiao Phanikeerthi Surapaneni Rachna T Shroff Vaibhav Sahai Division of Cancer Medicine The University of Texas MD Anderson Cancer CenterHoustonTX 77005United States Department of Internal Medicine University of MichiganAnn ArborMI 48109United States Division of Medical Oncology Mayo Clinic Cancer CenterJacksonvilleFL 32224United States University of Arizona Cancer Center University of ArizonaTucsonAZ 85724United States

BACKGROUND Gemcitabine plus platinum is the standard of care first-line treatment for advanced biliary tract cancers(BTC).There is no established second-line therapy,and retrospective reviews report median progression-free survival(PFS)less than 3 mo on second-line therapy.5-Fluorouracil plus irinotecan(FOLFIRI)is a commonly used regimen in patients with BTC who have progressed on gemcitabine plus platinum,though there is a paucity of data regarding its efficacy in this *** To assess the efficacy of FOLFIRI in patients with biliary tract *** We retrospectively identified patients with advanced BTC who were treated with FOLFIRI at md Anderson,University of Michigan and Mayo Clinic in *** were collected on patient demographics,BTC subtype,response per RECIST v1.1,progression and *** Ninety-eight patients were included of which 74(75%)had metastatic and 24(25%)had locally advanced disease at the time of treatment with *** median age was 60(range,22-86)*** number of patients with extrahepatic cholangiocarcinoma,gall bladder cancer and intrahepatic cholangiocarcinoma were 10,17 and 71,*** was used as 1st,2nd,3rd or 4th–Nth lines in 8,50,36 and 4 patients,*** duration on FOLFIRI in the entire cohort was 2.2(range,0.5-8.4)*** median PFS and overall survival were 2.4(95%confidence interval(CI):1.7-3.1)and 6.6(95%CI:4.7-8.4)mo,*** PFS for patients treated with FOLFIRI in 1st,2nd,3rd or 4th–Nth lines were 3.1,2.5,2.3 and 1.5 mo,*** patients received concurrent bevacizumab(n=13)or EGFR-targeted therapy(n=5)with FOLFIRI,with a median PFS of 2.7 mo(95%CI:1.7-5.1).CONCLUSION In this largest multi-institution retrospective review of 98 patients with BTC treated with FOLFIRI,efficacy appears to be modest with outcomes similar to other cytotoxic chemotherapy regimens.

关键词： Biliary tract neoplasms Fluorouracil Irinotecan Cholangiocarcinoma Retrospective studies

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A Physician Suffering from COVID-19 with Multiple Co-Morbidities Have Delayed Viral Clearance: A Case Report from Bangladesh

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Advances in Infectious Diseases 2020年第3期10卷 94-100页

作者： md. Reaz Uddin Chowdhury Kazi Shanzida Akter Sahedul Islam Bhuiyan md. Khalilur Rahman Khabir Bimal Chandra Das Muhammad Anwarul kabir Abdul Malek Ukil Medical College Noakhali Bangladesh Dedicated COVID-19 Hospital-Trauma Center Feni Bangladesh Brahmanbaria Medical College Brahmanbaria Bangladesh 250 Bed District Sadar Hospital Feni Bangladesh

Background: Novel corona virus (SARS-Coronavirus-2 SARS-CoV-2) which emerged in China has spread to multiple countries rapidly. Little information is known about delayed viral clearance in mild to moderate COVID-19 pa-tients. As it is highly contagious, health care workers including physicians are high risk of being infected in hospital care. Case Report: A 37 years old Bangladeshi physician working in a paediatric unit of a medical college hos-pital with multiple co-morbidities, hypertension, diagnosed axial spondy-loarthropathy (ankylosing spondylitis) taking disease modifying anti rheu-matic drugs— DMARDs (Salfasalazine) from 2016 till now, chronic persis-tent bronchial asthma on medication developed sore throat, increasing breathlessness and cough admitted to his own hospital on 22 April, 2020. He had a history of contact with a relapse nephrotic syndrome (glomerulone-phritis) patient admitted with severe respiratory distress later confirmed as COVID-19 following RT PCR test on 14 April, 2020. After 3 days of contact with the patient, the physician also developed the symptoms mentioned above. The RT PCR test result of the physician came positive on 18 April, 2020. The physician primarily taken only azithromycin 500 mg once daily along with other regular drugs. On 5, 12 and 18 May, 2020, his sample was taken for re-test and came positive subsequently. After that he started Iver-mectin (0.15 mg/kg) once daily for 3 days and doxycycline 100 mg BD for 7 days. He gave samples again on 27 and 29 May, 2020 which were came nega-tive after 39 days. On full recovery he was discharged from hospital on day 40. We choose the patient because presence of co-morbidities may be asso-ciated with delayed viral clearance and physicians with co-morbidities working in a hospital have high risk of being infected.

关键词： Physician Co-Morbidities Viral Clearance COVID-19 Case Report Bangla-desh

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Sustainable Denim Washing by Process Optimization

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Journal of Textile Science and Technology 2022年第4期8卷 149-162页

作者： md. Abu Bakar Siddiquee A. T. M. Gulam Moula Joy Krisna Saha md. Humayun kabir Khan Zihan Kaisar Abhijit Roy Department of Textile Engineering Mawlana Bhashani Science & Technology University Tangail Bangladesh Department of Fabrics Engineering Bangladesh University of Textiles Dhaka Bangladesh

Now-a-days sustainability is a crucial issue in denim washing. This research initiative is performed aiming to resolve the crisis of sustainability in denim washing by process optimization technique which highlights the reduction of water, chemical and time as well as costing of denim garments. In this research work, process optimization technique is administered by reducing several wash & chemical application baths into a single bath confirming without alteration of physical properties and color fastness of denim fabric. For confirmation without alteration of physical properties and color fastness, several tests are carried out like tensile and tear strength, color fastness to rubbing, color fastness to wash, color fastness to water, color fastness to perspiration and CMC (Carboxy Methyl Cellulose) value for both conventional and sustainable washing method. BOD, COD and pH of waste water is determined which shows better result in sustainable washing method also. Reduction of rinsing time in sustainable washing method results in less consumption of water by 475 and process time by 19% and also saves $0.34/ dozen garments which validate the cost effectiveness of this sustainable washing method.

关键词： Sustainability Denim Wash Color Fastness Cost Analysis

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TQM in Higher Education:A Search for New Insight

TQM in Higher Education:A Search for New Insight

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作者： Abu Saleh md.Sohel-Uz-Zaman Ahmed Imran kabir Abu Rashed Osman School of Business and Economics United International University

The number of higher education institutions,particularly universities,both public and private,has been enormously increased in *** the significant growth in number,there is an increasing concern for quality education in these higher education *** order to address this concern,a number of scholars believe that Total Quality Management（TQM） can be an effective ***,there is a doubt to the extent to which it（TQM） will be applicable in higher education as it was originally developed for the manufacturing *** due course of evolution,TQM is now a well-accepted philosophy in service *** education is within the service sector,therefore,it can be assumed that it could play a vital role in assuring quality in higher *** prime objective of this paper is to assess the potentials of TQM in improving and assuring quality in higher education and to develop general guidelines by highlighting key issues for quality *** and information for this qualitative paper have been collected through literature search,policy document analysis,expert interview,and personal *** is expected that the findings of this study would be able to offer a thoughtful insight regarding the applicability of TQM in higher education in a developing country context like Bangladesh.

关键词： Total quality management Higher education Quality assurance

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Utilization of Open Source Spatial Data for Landslide Susceptibility Mapping at Chittagong District of Bangladesh—An Appraisal for Disaster Risk Reduction and Mitigation Approach

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International Journal of Geosciences 2017年第4期8卷 577-598页

作者： md. Ashraful Islam Sanzida Murshed S. M. Mainul kabir Atikul Haque Farazi md. Yousuf Gazi Israt Jahan Syed Humayun Akhter Department of Geology University of Dhaka Dhaka Bangladesh Department of Geology and Mining University of Barisal Barisal Bangladesh

Since creation of spatial data is a costly and time consuming process, researchers, in this domain, in most of the cases rely on open source spatial attributes for their specific purpose. Likewise, the present research aims at mapping landslide susceptibility at the metropolitan area of Chittagong district of Bangladesh utilizing obtainable open source spatial data from various web portals. In this regard, we targeted a study region where rainfall induced landslides reportedly causes causalities as well as property damage each year. In this study, however, we employed multi-criteria evaluation (MCE) technique i.e., heuristic, a knowledge driven approach based on expert opinions from various discipline for landslide susceptibility mapping combining nine causative factors—geomorphology, geology, land use/land cover (LULC), slope, aspect, plan curvature, drainage distance, relative relief and vegetation in geographic information system (GIS) environment. The final susceptibility map was devised into five hazard classes viz., very low, low, moderate, high, and very high, representing 22 km2 (13%), 90 km2 (53%);24 km2 (15%);22 km2 (13%) and 10 km2 (6%) areas respectively. This particular study might be beneficial to the local authorities and other stake-holders, concerned in disaster risk reduction and mitigation activities. Moreover this study can also be advantageous for risk sensitive land use planning in the study area.

关键词： Susceptibility Mapping Open Source Spatial Data Heuristic Model Chittagong Metropolitan Area Geographic Information System (GIS) Disaster Risk Reduction

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Diagnostic Dilemma with a Case of Primary Bronchopulmonary Actinomycosis Causing Unilateral Destroyed Lung: A Case Report and Literature Review

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Open Journal of Thoracic Surgery 2022年第1期12卷 1-10页

作者： md. Abir Tazim Chowdhury Sohail Ahmed md. Zulfiqur Haider S. M. A. Zulker Nine md. Kamrul Hasan md. Estiak Ullah Sahid Musfaqus Shalehin md. Abdullah Al-Mahammud kabir Niaz Ahmed Munama Magdum Department of Cardiothoracic and Vascular Surgery Evercare Hospital Dhaka Bangladesh Department of Cardiothoracic Anesthesia Evercare Hospital Dhaka Bangladesh Department of Community Medicine Shaheed Monsur Ali Medical College Dhaka Bangladesh

Among chronic pulmonary infections, pulmonary actinomycosis is a rare one, caused by a gram-positive microaerophilic bacterium called Actinomyces. Aside from cervicofacial or abdominopelvic actinomycosis, pulmonary involvement is rare, and sometimes this type of infection results in a misdiagnosis of pulmonary tuberculosis or carcinoma. Clinical presentation of pulmonary actinomycosis could be acute or subacute, with lobar involvement. However, the disease is most commonly diagnosed at the chronic phase, with patients presenting mild fever, weight loss, and occasional hemoptysis. Here, we described the case of a 30-year-old male patient, presented with a history of respiratory complaints for more than three years and was diagnosed clinically and radiologically as a case of a destroyed left lung. Later on, post-operative tissue diagnosis was confirmed—pulmonary actinomycosis.

关键词： Pulmonary Actinomycosis Destroyed Lung Diagnostic Dilemma

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COVID-19 Disease Complicated with Severe Pneumonia in a Patient with End Stage Renal Disease (ESRD): A Case Report from Bangladesh

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Advances in Infectious Diseases 2020年第3期10卷 101-109页

作者： md. Reaz Uddin Chowdhury Kazi Shanzida Akter Muhammad Zahangir Alam Muhammad Anwarul kabir Sahedul Islam Bhuiyan Arifa Akram Sohel Rahman Abdul Malek Ukil Medical College Noakhali Bangladesh Dedicated COVID-19 Hospital-Trauma Center Feni Bangladesh Brahmanbaria Medical College Brahmanbaria Bangladesh National Institute of Laboratory Medicine and Refferal Center Dhaka Bangladesh Institute of Epidemiology Disease Control and Research Dhaka Bangladesh

Background: Since 2019, the pandemic of Coronavirus disease 2019 (COVID-19) has spread very rapidly in China and Worldwide. COVID-19 is a highly contagious, infectious and rapidly spreading viral disease with an alarming case fatality rate up to 5%. Case Report: In this article, we report a case of 60 years old non diabetic, hypertensive woman infected with COVID-19 who has end stage renal disease (ESRD) on hemodialysis for last 18 months. COVID-19 patients with ESRD need isolation dialysis but most of them cannot be handled properly due to limited hemodialysis machine. With these unavailability and risk, we continue the treatment along with hemodialysis for controlling uraemia and fluid balance. With all effort this patient ended with an uneventful course with clinical improvement, improvement of all laboratory parameters and resolution of radiological findings but follow up RT-PCR cannot done due to changing guideline of discharge criteria of COVID-19 patient in Bangladesh.

关键词： ESRD Hemodialysis COVID-19 Pneumonia Corona Virus

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