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Kumar, T.
- Investigation of Friction Stir Welding Tool Pin Profile Various Characterization of AA7075-T6 Aluminium Alloy Joints
Abstract Views :156 |
PDF Views:3
Authors
M. Sivashanmugam
1,
T. Kumar
2
Affiliations
1 Department of Mechanical & Production Engineering, Sathyabama University, Chennai, IN
2 Department School of Mechanical Engineering, SRM University, SRM Nagar, Chennai, IN
1 Department of Mechanical & Production Engineering, Sathyabama University, Chennai, IN
2 Department School of Mechanical Engineering, SRM University, SRM Nagar, Chennai, IN
Source
Programmable Device Circuits and Systems, Vol 3, No 12 (2011), Pagination: 686-691Abstract
Friction stir welding is a solid state joining process and is widely being considered for aluminium alloys. The main advantage of FSW is the material that is being welded undergoes only localized changes. The welding parameter and tool pin profile play a major role in deciding the weld quality. In this work an effort has been made to analyze microstructure of aluminium AA 7075-T6 alloy. Three different tool profiles (Taper Threaded and square) have been used to construct the joints in particular rotational speed. Tensile, Impact, micro hardness of mechanical properties of the joints have been evaluated and the formation of FSP zone has been analyzed microscopically. From the investigation it is found that the threaded cylindrical profile produces highly defined Strength in welds.Keywords
AA7075-T6 Aluminium Alloy, Friction Stir Welding, Tool Pin Profile, FSP Zone, Tensile, Impact Evaluation.
- Studies on the Fungal Flora of Indian Currency
Abstract Views :170 |
PDF Views:0
Authors
Affiliations
1 Department of Microbiology, Idhaya College for women, Kumbakonam, IN
2 PG and Research Department of Botany and Microbiology, A.V.V.M Sri Pushpam College (Autonomous), Poondi-613503, IN
3 Department of Botany, A.V.C College (Autonomous), Mayiladuthurai, IN
1 Department of Microbiology, Idhaya College for women, Kumbakonam, IN
2 PG and Research Department of Botany and Microbiology, A.V.V.M Sri Pushpam College (Autonomous), Poondi-613503, IN
3 Department of Botany, A.V.C College (Autonomous), Mayiladuthurai, IN
Source
Asian Journal of Research in Pharmaceutical Sciences, Vol 2, No 1 (2012), Pagination: 33-36Abstract
The growth of fungal organisms colonizing the India currency was studied. The samples were collected from various habitats of India culture and the subjected to microscopic and macroscopic study. The fungi were both qualitatively and quantitatively more during October, December, January and August. Totally 57 species were recorded. Aspergillus species were the predominant among other fungal species over the Indian currency collected from ten important public places. These fungi showed celluloytic activity and hence they could easily colonize the Indian paper currencies and spoil them. Aspergillosis is considered as the second most common fungal infection caused by Aspergillus fumigatus. The currency notes could possibly responsible for the transmission of the potential pathogenic microorganisms. The results indicated that improper handling of currency is also one of the reasons for the transmission of different microorganisms and for causing various diseases.Keywords
Indian Currency, Fungal Flora, Aspergillosis.- E-Governance and Decentralisation-Study of an Indian District
Abstract Views :177 |
PDF Views:91
Authors
T. Kumar
1
Affiliations
1 Xavier School of Rural Management, Xavier University, Bhubaneswar, Odisha, PIN - 751024, IN
1 Xavier School of Rural Management, Xavier University, Bhubaneswar, Odisha, PIN - 751024, IN
Source
Journal of Rural Development, Vol 36, No 1 (2017), Pagination: 61-82Abstract
The current era is witnessing the emergence of a new governance paradigm at the global, national and local levels. Information and Communication Technologies (ICTs) are fundamental to these systems of governance. Decentralised governance is a need in all countries. The same set of policy imperatives are behind the drive for decentralised governance as well as the drive for e-governance. So, there is a need for understanding of how e-governance can contribute to decentralisation of power. In this paper, a framework of e-governance for facilitating decentralisation has been evolved and tested in a district of Gujarat. Here, decentralisation is understood as a combination of its different kinds, viz., deconcentration, delegation, devolution and agencification. This is an empirical study done within the local self-governance units of a district in a rural context in India.
This paper tries to measure the decentralisation of power within the governance machinery which can be facilitated by e-governance information systems. The relative empowerment of different branches of administration has been culled out. It was found that the empowerment of bureaucracy is the highest, followed by the empowerment of extra State actors. The elected representatives of the local self-governance machinery are not getting really empowered due to the e-governance process. This is a fundamental flaw in the design of these e-governance systems.
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- Effect of Rates and Methods of Zinc Application on Yield, Economics and Uptake of Zn by Rice Crop in Flood Prone Situation
Abstract Views :139 |
PDF Views:0
Authors
Affiliations
1 Crop Research Station (N.D. University of Agriculture and Technology), Ghaghraghat, Baharaich (U.P.), IN
1 Crop Research Station (N.D. University of Agriculture and Technology), Ghaghraghat, Baharaich (U.P.), IN