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Search Results: 1 - 10 of 352670 matches for " D. P. Dash "
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Logic of Leadership Research: A Reflective Review of Geeks & Geezers by Bennis and Thomas
D. P. Dash
Journal of Research Practice , 2005,
Abstract: [First two paragraphs] Leadership has turned out to be one of those topics, which persistently slip out of scientific hands. The field of leadership research should be of interest to researchers in various other disciplines, because it serves as a source of examples of many common difficulties faced by researchers in general. These relate to difficulties in defining a research task, specifying quality criteria, choosing methods, ensuring that the research programme remains progressive (the criterion is from Lakatos, see Science and Pseudoscience, 2004; Worrall & Currie, 1978), etc. The book by well-known leadership researchers, Bennis and Thomas, gives us an occasion to critically appreciate the practice of leadership research so far and assess the book’s potential contribution. This will be done by first outlining the developments in leadership research since the 1930s. It will be shown that although the book’s focus is interestingly different, it does not go so far as to reframe the logic of research in the field.
Introducing a Concept Hierarchy for the Journal of Research Practice
Werner Ulrich,D. P. Dash
Journal of Research Practice , 2011,
Abstract: With this issue of the Journal of Research Practice, we initiate a conceptual framework for thinking and writing about research, defining areas of editorial focus, and indexing work published in the journal. The framework takes the form of a concept hierarchy that offers index terms at three interrelated levels: (1) focus areas for reflection on research practice within which the journal aims to achieve excellence and strengthen its profile and visibility, (2) subject areas relevant to research practice that the journal aims to cover and in terms of which it defines its focus areas, and (3) keywords for capturing the content of research work done in these subject areas or for reflecting and writing about it. Focus areas are characterized by assigned subject areas; subject areas are characterized by assigned keywords. The concept hierarchy is part of a more comprehensive initiative to strengthen the journal's profile and visibility, an initiative that will also include a restructuring of the editorial team and new roles for the journal's dedicated reviewers and active readers. The article introduces an initial version of the concept hierarchy, explains its intended use and further development, and situates it in the larger effort of which it is a part.
Introducing New Editorial Roles and Measures: Making the Journal of Research Practice Relevant to Researchers
D. P. Dash,Werner Ulrich
Journal of Research Practice , 2012,
Abstract: Following a detailed review of the accomplishments and aspirations of the Journal of Research Practice, we have undertaken a restructuring of the editorial board, with inputs from people associated with this journal. In designing the new structure, we have taken into account the need for building the journal’s profile in the six focus areas recently clarified: (1) Research Applications, (2) Research Spaces, (3) Research Education, (4) Research Experiences, (5) Research Philosophy, and (6) Research on Research. Focus Editors will ensure that the journal remains well engaged with the developments in these focus areas. The new structure allows us to involve all contributors to the journal in playing a role to enhance the journal’s relevance to researchers and reflective professionals. This restructuring exercise has presented us with an opportunity to build on the strengths of the journal and address areas of concern so as to strengthen the journal’s quality, relevance, and impact. A review of different notions of impact has led us to a set of proposed measures for enhancing the relevance and utilisation of the journal in future.
Journey of Research Practice
D. P. Dash,Héctor R. Ponce
Journal of Research Practice , 2005,
Abstract: [First two paragraphs] Welcome to the inaugural issue of the Journal of Research Practice (JRP). This journal has resulted from a widely shared interest that researchers in different disciplines and professional fields should communicate with each other freely and remain open to learn from each other’s individual journey of research. The title of this journal may look surprising to some readers. There may even be a legitimate doubt as to whether the journal would take-off at all, the title being so broad and unspecific. On the contrary, to be more optimistic, the journal could meet a long-felt need, i.e., that of bringing researchers, and various forms of organised inquiry, into fruitful connections with each other, without the restrictions imposed by formal disciplinary boundaries.
Tunnel Contacts for Spin Injection into Silicon: The Si-Co Interface with and without a MgO Tunnel Barrier—A Study by High-Resolution Rutherford Backscattering
S. P. Dash,D. Goll,P. Kopold,H. D. Carstanjen
Advances in Materials Science and Engineering , 2012, DOI: 10.1155/2012/902649
Abstract: In order to obtain high spin injection efficiency, a ferromagnet-semiconducor Schottky contact must be of high crystalline quality. This is particularly important in the case of ferromagnet-silicon interfaces, since these elements tend to mix and form silicides. In this study Co-Si (100) interfaces were prepared in three different ways: by evaporation at room temperature, low temperature (?60°C), and with Sb as surfactant, and their interface structures were analyzed by high-resolution RBS (HRBS). In all cases more or less strong in-diffusion of Co with subsequent silicide formation was observed. In order to prevent the mixing of Co and Si, ultra thin MgO tunnel barriers were introduced in-between them. In situ HRBS characterization confirms that the MgO films were very uniform and prevented the mixing of the Si substrate with deposited Co and Fe films effectively, even at 450°C.
The magnetization of PrFeAsO$_{0.60}$F$_{0.12} sueprconductor
D. Bhoi,P. Mandal,P. Choudhury,S. Dash,A. Banerjee
Physics , 2010, DOI: 10.1016/j.physc.2011.02.004
Abstract: The magnetization of the PrFeAsO$_{0.60}$F$_{0.12}$ polycrystalline sample has been measured as functions of temperature and magnetic field $(H)$. The observed total magnetization is the sum of a superconducting irreversible magnetization ($M_s$) and a paramagnetic magnetization ($M_p$). Analysis of dc susceptibility $\chi(T)$ in the normal state shows that the paramagnetic component of magnetization comes from the Pr$^{+3}$ magnetic moments. The intragrain critical current density $(J_L)$ derived from the magnetization measurement is large. The $J_L(H)$ curve displays a second peak which shifts towards the high-field region with decreasing temperature. In the low-field region, a plateau up to a field $H^*$ followed by a power law $H^{-5/8}$ behavior of $J_L(H)$ is the characteristic of the strong pinning. A vortex phase diagram for the present superconductor has been obtained from the magnetization and resistivity data.
PPTCT of HIV: Two and a half year experience at MKCG medical college, Berhampur, India
Dash M,Padhi S,Panda P,Pattnaik D
Indian Journal of Medical Microbiology , 2009,
Immaculateness and Research Practice
D. P. Dash,Héctor R. Ponce,Gerard de Zeeuw
Journal of Research Practice , 2006,
Abstract: [First two paragraphs]Notions of purity, perfection, or immaculateness have powered our imagination over the ages. Various images of perfection have held sway in their hallowed times, providing secure streams for channelling human energy. Unfortunately, with the unfolding of the human drama on the world stage, all the images of perfection have suffered damage, epoch on epoch. Different responses have emerged to attempt a restoration. Revival of some of the old images is one such response. Production of new images to serve as worthwhile anchors of value and meaning is another common response. For reasons possibly known only to philosophers and historians, the enterprise called modern science has got thickly embroiled in this civilisational process--first, as the culprit behind the decline of some of the established images, then as the producer of new images, and now, perhaps, as a constant reminder of the perpetual lack of purity and immaculateness in all things human.
Quantification of Urban Expansion Using Geospatial Technology—A Case Study in Bangalore  [PDF]
Puspa P. Dash, Ritu Kakkar, V. Shreenivas, P. Jeya Prakash, D. J. Mythri, K. H. Vinaya Kumar, Vanashree Vipin Singh, R. M. N. Sahai
Advances in Remote Sensing (ARS) , 2015, DOI: 10.4236/ars.2015.44027
Abstract: Quantification of urban expansion helps us to understand human induced effects on the environment in a temporal scale. Growing urbanization in Bangalore has resulted in demand for more space and resources. Since last 15 years the landuse and landcover of Bangalore area has been changed drastically due to increase in settlement, urban infrastructure, opening of roads and metros etc. Using geospatial tools, we studied the changes in landuse and landcover over 19 years (1992-2011) of period and changes in transport network over 41 years (1970-2011) in parts of Bangalore. Thus, the current study shows that the built-up area has been increased drastically, tree cover areas have been converted to agricultural lands and agricultural lands to built-up areas due to urbanization. There are also changes in drainage pattern, transport network and encroachment of water bodies. Thus the whole environment is getting affected adversely due to unplanned and rapid urban sprawl.
Antifungal activity of Leptadenia reticulata Wight and Arn. aerial parts
M. K. Mishra,P Tiwari,D K Dash,Rajesh S Jadon
International Journal of Phytomedicine , 2011,
Abstract: The petroleum ether, chloroform, acetone, methanol and aqueous extracts of the aerial parts of Leptadenia reticulata Wight and Arn. (Asclepiadaceae) were studied for in vitro antifungal activity against Aspergillus flavus, Aspergillus ruantti, Candida tropicalis, Candida albicans, Trichodermata viride and Trichodermata koningii respectively. The methanolic extract exhibited prominent antifungal activity against all the selected strains. Minimum inhibitory concentration of the extracts was performed by broth dilution method and the zone of inhibition was studied by agar disc diffusion method at concentrations of 2, 5 and 10mg/ml in DMSO. Cotrimazole (25μg/ml) was used as reference control for antifungal studies. Results of MIC study revealed the antifungal activities of the extracts against the tested strains in between concentration ranges 50-400μg/ml. The present study indicates the potential usefulness of L. reticulata aerial parts as antifungal agent. Keywords: Leptadenia reticulata Wight and Arn., Antifungal activity, Minimum inhibitory concentration, Zone of inhibition, Clotrimazole
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