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作者:R D Gupta , K K Jha ...
来源:[J].Proceedings of the Indian Academy of Sciences - Section B, 1977, Vol.86 (6), pp.389-395Springer
摘要:The presence of Azotobacter species, their population and nitrogen fixing capacity of some isolates from cultivated North Indian soils including a sample of ‘floating island’ were studied. The results indicated the presence of Azotobacter chroococcum and Azotobacter agilis a...
作者:Dharmaveer Singh , Sanjay K Jain , R D Gupta
来源:[J].Journal of Earth System Science(IF 0.695), 2015, Vol.124 (4), pp.843-860Springer
摘要:Abstract(#br)Ensembles of two Global Climate Models (GCMs), CGCM3 and HadCM3, are used to project future maximum temperature ( T Max), minimum temperature ( T Min) and precipitation in a part of Sutlej River Basin, northwestern Himalayan region, India. Large...
作者:P K Singhal , R D Gupta , P C Sharma
来源:[J].IETE Journal of Research(IF 0.2), 2001, Vol.47 (5), pp.231-240Taylor & Francis
摘要:Modified approach to design Rotman type lens has been proposed. Lenses designed using the proposed approach have been analyzed using the contour integral approach. Effects of design parameters on the performance of the lens have been investigated. Results of investigations on wid...
作者:P C Sharma , R D Gupta , P K Singhal
来源:[J].IETE Technical Review(IF 0.705), 1999, Vol.16 (1), pp.67-73Taylor & Francis
摘要:Bootlace lens is the most appropriate choice for multiple beam forming. A modified geometry and design approach for bootlace lens has been proposed. Path length error at the wave-front has been calculated. The proposed geometry is analysed using the contour integral approach. Res...

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