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RISS 인기검색어
- 검색키워드
- 저자 : Arnab Banerjee (검색결과 4 건)
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Optimization and Safety Evaluation of Concrete Gravity Dam Section
Arnab Banerjee,D. K. Paul,Arijit Acharyya 대한토목학회 2015 KSCE JOURNAL OF CIVIL ENGINEERING Vol.19 No.6
Concrete gravity dam is a very important civil engineering structure from hydro power and irrigation point of view. It stores a massive amount of water in its reservoir. Dam failure can cause enormous destruction in the downstream. That is why, the safety of dam has paramount importance. The objective of this paper is divided into two categories. First of all a cost based dam section optimization or design program, named “Optidam”, is presented. The Optidam program is able to design an optimized concrete gravity dam section based on pseudo static analysis proposed in Indian standard. Then one dam section, which is designed using the “Optidam”, is checked and analyzed by non-linear seismic analysis to ensure its safety. Finally, a parametric analysis is performed to propose a dam design guidelines. Empirical relationships between the different geometric parameters of an optimized concrete gravity dam section with cohesion and internal friction angle of soil/rock foundation are evaluated after designing 1080 number of dams, having height ranges from 50-300 m, and situated on different foundation characteristics.
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Amrita Banerjee,Pradeep Kumar Das Mohapatra,Shilpee Pal,Keshab Chandra Mondal,Bikash Ranjan Pati,Arnab Sen,Tanmay Paul 셀메드 세포교정의약학회 2014 TANG Vol.4 No.1
Anthrax is the deadly disease for human being caused by Bacillus anthracis. Instantaneous research work on the mode of infection of the organism revealed that different proteases are involved in different steps of pathogenesis. Present study reports the in silico characterization and the detection of pathogenic proteases involved in anthrax infection through protein-protein interaction. A total of 13 acid, 9 neutral, and 1 alkaline protease of Bacillus anthracis were selected for analysing the physicochemical parameter, the protein superfamily and family search, multiple sequence alignment, phylogenetic tree construction, protein-protein interactions and motif finding. Among the 13 acid proteases, 10 were found as extracellular enzymes that interact with immune inhibitor A (InhA) and help the organism to cross the blood brain barrier during the process of infection. Multiple sequence alignment of above acid proteases revealed the position 368, 489, and 498-contained 100% conserved amino acids which could be used to deactivate the protease. Among the groups analyzed, only acid protease were found to interact with InhA, which indicated that metalloproteases of acid protease group have the capability to develop pathogenesis during B. anthracis infection. Deactivation of conserved amino acid position of germination protease can stop the sporulation and germination of B anthracis cell. The detailed interaction study of neutral and alkaline proteases could also be helpful to design the interaction network for the better understanding of anthrax disease.
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Debnath Palit,Arnab Banerjee 강원대학교 산림과학연구소 2014 Journal of Forest Science Vol.30 No.4
The present study is an attempt to give an account of the inventory of plant species, phytosociological characteristics of vegetation and pedological characteristics of Rambi Beat Forest under Senchal East Forest Zone, Darjeeling, West Bengal, India. Its plant community were analyzed quantitatively and synthetically. The results reflect dominancy of dicotyledons over monocotyledons in the four studied sites The plant community comprising of 50 plant species belonging to 40 genera of 27 families. Ramhi beat reflected higher diversity of species. Maximum IVI value was recorded by Viola surpense (47.17) in Rambhi forest beat. The Berger parker index and evenness index were found to be highest for Viola surpense, Fragaria nubicola, Pilea umbrosa in Rambhi beat. The soil characteristics of the different pedons revealed alkaline nature of soil in Rambhi beat. Higher levels of soil organic carbon content reflect higher fertility of the soil of Rambhi beat. The response towards soil available nitrogen and phosphate were different among the ten pedons of Rambhi beat. Therefore, proper management and conservative measures needs to be implemented for conservation of bioresources in Senchel wildlife Sanctuary of West Bengal, India.
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Palit, Debnath,Banerjee, Arnab Institute of Forest Science 2014 Journal of Forest Science Vol.30 No.4
The present study is an attempt to give an account of the inventory of plant species, phytosociological characteristics of vegetation and pedological characteristics of Rambi Beat Forest under Senchal East Forest Zone, Darjeeling, West Bengal, India. Its plant community were analyzed quantitatively and synthetically. The results reflect dominancy of dicotyledons over monocotyledons in the four studied sites The plant community comprising of 50 plant species belonging to 40 genera of 27 families. Ramhi beat reflected higher diversity of species. Maximum IVI value was recorded by Viola surpense (47.17) in Rambhi forest beat. The Berger parker index and evenness index were found to be highest for Viola surpense, Fragaria nubicola, Pilea umbrosa in Rambhi beat. The soil characteristics of the different pedons revealed alkaline nature of soil in Rambhi beat. Higher levels of soil organic carbon content reflect higher fertility of the soil of Rambhi beat. The response towards soil available nitrogen and phosphate were different among the ten pedons of Rambhi beat. Therefore, proper management and conservative measures needs to be implemented for conservation of bioresources in Senchel wildlife Sanctuary of West Bengal, India.
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