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Ramzan Muhammad,Shahmir Nazia,Alotaibi Hammad,Ghazwani Hassan Ali S,Muhammad Taseer 한국CDE학회 2022 Journal of computational design and engineering Vol.9 No.1
This exploration aims to study the comparison of heat transfer capabilities of two nanofluid oblique, steady stagnation-point flow combinations comprising single-walled carbon/water (SWCNHs/water) and multiwalled carbon nanotube/water (MWCNTs/water) toward a stretching surface influenced by nonlinear thermal radiation employing the Xue model. This envisaged comparison model is inimitable and still scarce in the literature. Relying on the Tiwari–Das nanofluid model, a mathematical framework is constructed. The system of partial differential equations is converted using suitable transformations into an ordinary differential system of three equations, which is evaluated numerically using the bvp4c method. The physical behavior of significant parameters and their graphical representation are thoroughly examined. The results show that the SWCNHs/water nanofluid outperforms the MWCNTs/water nanofluid. It is further witnessed that SWCNH nanoparticle contained nanofluid has considerably greater thermal radiation than MWCNT nanoparticles. The envisaged model is also validated by comparing it with a published study.
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( Fazle Rabbi Chowdhury ),( Mohammed Zakiul Islam ),( Ralf Weige,Nazia Hassan ),( Ismail Patwary ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: In Bangladesh there are around 300,000 new cases of TB every year with 70,000 deaths. In spite of major national and global efforts obstacles to effective diagnosis and treatment still persist. This study sets out to assess factors like socio- economic and demographic characteristics, patients care seeking pattern, average cost etc.in north eastern part of Bangladesh. Methods: This cross sectional study was done by interviewing systematically selected patients in two urban and two semi-urban DOTS center from July 2012 to June 2013 using a structured questionnaire considering socio-economic status, care seeking pattern, money spent for diagnosis & treatment and quality of service etc. Sputum smear positive patients aged = 19 years receiving treatment for = four weeks were enrolled. Chi-square test was done to explore the level of signifi cance. Results: Out of 170 patient`s majority (76; 44.7%) was belonged to most economically productive age group (25-44 years). About one third (59; 34.7%) patients were the only earning member of the family and majority (131; 77.05%) of them was not working due to current illness (p = 0.005). Delay in diagnosis (117; 68.82%) was common ((p = 0.005) among semi-urban patients while they (121; 71.1%) also experienced signifi - cant (p = 0.005) delay (> 3 weeks) to reach the DOTS corner and spent more money (> 15 USD) to confi rm their diagnosis compared to urban counterpart (p = 0.005). 70% patients utilized private health care services initially and fear of government formalities (87; 73.1%) was the most common reason for that. Total 27.05% participants suspect about quality of drug. Conclusions: The linkage between TB and poor socio economic condition is well documented. Policy makers should implement “pro-poor bias” in their TB strategies. Regular monitoring is essential to overcome the barriers.
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Design & Feasibility Analysis of Free to Walk
Dr. Hasan U. Zaman,Chowdhury,Nahian,Ghani,Uddin,Baized,Islam,S. M. Hasibul Hoq,Nazia Nawar Hassan 대한전자공학회 2017 대한전자공학회 학술대회 Vol.2017 No.1
This paper introduces a mobile application suitable to use in smartphones useful for physically handicapped people. The mobile app “Free to walk” is a mobile application which will guide users to do physical exercises properly. Specially for handicapped people and also a useful humanitarian concept. This app can help a major percentage of physically handicapped people and also can make their life less measurable by using the instructions and tutorials based on physical exercises and physiotherapy available in application. This mobile application is helping people to get treatment sitting at their homes and also added a new dimension for fighting against physical challenges of physically handicapped people. Feasibility analysis is shown to define uniqueness of the concept. The end result shows the efficiency in practical operation. This paper also ensures future research possibilities in medical sector.
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Design, Control & Performance Analysis of Baby Bot
Hasan U. Zaman,Sharmina Zaman,Baized,Chowdhury,Uddin,Ishaque,Tamim,S. M. Hasibul Hoq,Saad Akash,Saifullah Basher Shohel,Swapnil Sayan Saha,Nazia Nawar Hassan 대한전자공학회 2017 대한전자공학회 학술대회 Vol.2017 No.1
A multipurpose robot is introduced in this research paper. The robot is designed smaller in size and named Baby Bot. Features like household works, rescue mission as a surveillance is specialized in the robot. Control part is designed using Arduino development board. The baby bot can be controlled using android app & Transmitter. Internet protocol camera in fed to check live video feed in rescue missions. Proactive sensors for emergency situation like fire breakout are added and enabled a new dimension in this research. Performance analysis is shown to justify the difference and uniqueness among the conventional robots. The entire analysis part is shown to prove the Baby Bot an efficient, sustainable & affordable robot that can be used both in home and workplaces. This paper also enables the immense possible research scope among home and industrial robots.
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