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Effectiveness of pressurized liquid extraction and solvent extraction for the simultaneous quantification of 14 pesticide residues in green tea using GC
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The MDR Phenotype Is Associated With the Expression of COX-2 and iNOS in a Human Hepatocellular Carcinoma Cell Line
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한국형사정책학회 학술대회 논문집
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Spontaneous Tumor Lysis Syndrome
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Allergic contact dermatitis caused by cocobolo wood bracelet
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CBN 휠의 연삭특성에 관한 비교연구
- 검색키워드
- 저자 : M. Shafiul Alam (검색결과 4 건)
- 무료
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M. Akhter Hossain,M. Kamal Hossain,M. Shafiul Alam,M. Main Uddin 강원대학교 산림과학연구소 2015 Journal of Forest Science Vol.31 No.3
Information on plant diversity and community structure are required to chalk out necessary actions for conservation management. The present study assessed the composition and diversity of tree species in Kamalachari Natural Forest of Chittagong South Forest Division, Bangladesh, during April 2010 to November 2011. A total of 107 tree species belonging to 72 genera and 37 families were recorded, where Moraceae family was represented by maximum (11) species. Density, Basal area and volume of tree species were 418±20.09 stem/ha, 21.10±2.62 m2/ha and 417.4±79.8 m3/ha respectively. Diameter and height class distribution of tree species revealed an almost reverse J-shaped curve. Both the number of species and percentage of tree individuals were maximum in the lower DBH and height ranges. Anthropogenic disturbances like illegal tree cutting, over extraction, settlement inside forest area etc. were noticed during the study, which are supposed to cause gradual decrease of both tree species and individuals in the higher DBH and height classes. However, Artocarpus chama was found dominant showing maximum IVI followed by Schima wallichii, Aporosa wallichii, and Lithocarpus acuminata. The quantitative structure of the tree species of Kamalachari natural forest is comparable to other tree species rich tropical natural forests. The findings of the study may help in monitoring future plant population changes of the identified species and adopting species specific conservation programs in Kamalachari natural forest.
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Hossain, M. Akhter,Hossain, M. Kamal,Alam, M. Shafiul,Uddin, M. Main Institute of Forest Science 2015 Journal of Forest Science Vol.31 No.3
Information on plant diversity and community structure are required to chalk out necessary actions for conservation management. The present study assessed the composition and diversity of tree species in Kamalachari Natural Forest of Chittagong South Forest Division, Bangladesh, during April 2010 to November 2011. A total of 107 tree species belonging to 72 genera and 37 families were recorded, where Moraceae family was represented by maximum (11) species. Density, Basal area and volume of tree species were $418{\pm}20.09stem/ha$, $21.10{\pm}2.62m^2/ha$ and $417.4{\pm}79.8m^3/ha$ respectively. Diameter and height class distribution of tree species revealed an almost reverse J-shaped curve. Both the number of species and percentage of tree individuals were maximum in the lower DBH and height ranges. Anthropogenic disturbances like illegal tree cutting, over extraction, settlement inside forest area etc. were noticed during the study, which are supposed to cause gradual decrease of both tree species and individuals in the higher DBH and height classes. However, Artocarpus chama was found dominant showing maximum IVI followed by Schima wallichii, Aporosa wallichii, and Lithocarpus acuminata. The quantitative structure of the tree species of Kamalachari natural forest is comparable to other tree species rich tropical natural forests. The findings of the study may help in monitoring future plant population changes of the identified species and adopting species specific conservation programs in Kamalachari natural forest.
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S.M. Shafiul Alam 한국경영정보학회 2023 Asia Pacific Journal of Information Systems Vol.33 No.4
The study is based on the technology-organization-environment (TOE) model which, attempted to determine the factors that are going to influence ICT adoption. The proposed research model evaluates the interplay among technological context (IT infrastructure, system security, and user capacity), organizational context (top management commitment, and innovations strategies), environmental context (quick response to the external agencies, interactive network infrastructure, and competitive pressure) and ICT adoption (productivity growth, organizational change, and competitiveness). Data were collected from 243 senior executives of full member firms of the Bangladesh Garments and Manufacturers Association (BGMEA) of examining the relationships among the constructs in the proposed framework utilizing structural equation modeling (SEM). The analysis of TOE factors revealed that environmental, organizational, and technological factors have a significant impact on the successful implementation of ICT tools. The study also discusses implications for management practitioners.
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Design, Control & Performance Analysis of Two-link Robotic Manipulator System
S. M. Hasibul Hoq,Saifullah Shohel,Dr. Md. Shafiul Alam,Mukimut Salat,Mohsin Ahmad 대한전자공학회 2017 대한전자공학회 학술대회 Vol.2017 No.1
This paper focuses on design of two-link flexible joint robotic manipulator and its practical aspects, control design and performance analysis. The controller is build using Arduino board. The robotic manipulator can be controlled via smartphone android app and transmitter. The precision of the entire system is demonstrated practically. Special control design features is introduced in the manipulator system, added new dimension in two-link robot technology. Performance & budget analysis is shown to evaluate how the research is different from the conventional system. The efficiency of the entire system is established through both simulation and practical studies. The end result denotes the proposed control system achieves much better regulation. End of the research performance analysis of the practical prototype system ensures sustainability, affordability and reliability. This paper also enables the immense possible research scope among home and industrial robots.
KCI
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