Zobrazeno 1 - 10
of 251
pro vyhledávání: '"Abhishek K. Srivastava"'
Autor:
Abhishek K. Srivastava, Balveer Singh
Publikováno v:
Physics, Vol 5, Iss 3, Pp 655-671 (2023)
In the present paper, we describe a 2.5D (two-and-a-half-dimensional) magnetohydrodynamic (MHD) simulation that provides a detailed picture of the evolution of cool jets triggered by initial vertical velocity perturbations in the solar chromosphere.
Externí odkaz:
https://doaj.org/article/a478c9cb006a473b8a4a0b2a99ed331e
Publikováno v:
The Astrophysical Journal, Vol 963, Iss 2, p 139 (2024)
In the present paper, using MPI-AMRVAC , we perform a 2.5D numerical magnetohydrodynamic simulation of the dynamics and associated thermodynamical evolution of an initially force-free Harris current sheet subjected to an external velocity perturbatio
Externí odkaz:
https://doaj.org/article/553369416eb94409b0814ac7b36231eb
Autor:
Sudhir K. Upadhyay, Abhishek K. Srivastava, Vishnu D. Rajput, Prabhat K. Chauhan, Ali Asger Bhojiya, Devendra Jain, Gyaneshwer Chaubey, Padmanabh Dwivedi, Bechan Sharma, Tatiana Minkina
Publikováno v:
Frontiers in Microbiology, Vol 13 (2022)
The breaking silence between the plant roots and microorganisms in the rhizosphere affects plant growth and physiology by impacting biochemical, molecular, nutritional, and edaphic factors. The components of the root exudates are associated with the
Externí odkaz:
https://doaj.org/article/b73d6b21387441279460228a2aeaa606
Autor:
Sripan Mondal, Abhishek K. Srivastava, Sudheer K. Mishra, K. Sangal, Pradeep Kayshap, Yang Guo, David I Pontin, Vadim M. Uritsky, Leon Ofman, Tongjiang Wang, Ding Yuan
Publikováno v:
The Astrophysical Journal, Vol 953, Iss 1, p 84 (2023)
Multiwavelength observations of the propagating disturbances (PDs), discovered by Atmospheric Imaging Assembly (AIA) on board Solar Dynamics Observatory (SDO), are analyzed to determine their driving mechanism and physical nature. Two magnetic strand
Externí odkaz:
https://doaj.org/article/3b024fc14ac7400d881adf48fe42647b
Publikováno v:
Current Research in Environmental Sustainability, Vol 3, Iss , Pp 100063- (2021)
High food demand for the world's teeming population necessitates the intensification of crop production in modern agriculture, which requires the extensive use of synthetic fertilizers for higher crop yield. The excessive use of chemical fertilizers,
Externí odkaz:
https://doaj.org/article/3fa0848b3d2a4c35b7e5c4baacc6b892
Publikováno v:
G-Journal of Environmental Science and Technology, Vol 7, Iss 6 (2020)
In the present study, the maximum rhizobacterial population was observed in Nutrient Agar (NA) (average; Cfu=135×106) followed by King’s-B (average; Cfu=57×106), Soil extract agar (SEA) (average; Cfu=11×106), and Trypticase soy agar (TSA) (avera
Externí odkaz:
https://doaj.org/article/e48f770b1ad74980a4d12ebbdab01db7
Autor:
Abhishek K. Srivastava, Wanlong Zhang, Julian Schneider, Jonathan E. Halpert, Andrey L. Rogach
Publikováno v:
Advanced Science, Vol 6, Iss 22, Pp n/a-n/a (2019)
Abstract Herein, emerging applications of luminescent semiconductor nanocrystals are addressed, such as quantum dots and quantum rods as down‐conversion materials used in liquid crystal displays (LCD). Their precisely tunable emission wavelengths a
Externí odkaz:
https://doaj.org/article/09063df6c6f3480e81333aa10b3a1d2c
Autor:
Abhishek K. Srivastava, Scott W. McIntosh, N. Arge, Dipankar Banerjee, Mausumi Dikpati, Bhola N. Dwivedi, Madhulika Guhathakurta, B.B. Karak, Robert J. Leamon, Shibu K. Matthew, Andres Munoz-Jaramillo, D. Nandy, Aimee Norton, L. Upton, S. Chatterjee, Rakesh Mazumder, Yamini K. Rao, Rahul Yadav
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 5 (2018)
In 1844 Schwabe discovered that the number of sunspots increased and decreased over a period of about 11 years, that variation became known as the sunspot cycle. Almost eighty years later, Hale described the nature of the Sun's magnetic field, identi
Externí odkaz:
https://doaj.org/article/65cbb81bdb034ac1a604775b78363008
Publikováno v:
Advances in Astronomy, Vol 2017 (2017)
Development of Kelvin–Helmholtz (KH) instability in solar coronal jets can trigger the wave turbulence considered as one of the main mechanisms of coronal heating. In this review, we have investigated the propagation of normal MHD modes running on
Externí odkaz:
https://doaj.org/article/47d8f86a7c7f447eb26474f4a4c02fd6
Autor:
Fan Fan, Lishuang Yao, Xiaoqian Wang, Liangyu Shi, Abhishek K. Srivastava, Vladimir G. Chigrinov, Hoi-Sing Kwok, Shuangchun Wen
Publikováno v:
Crystals, Vol 7, Iss 3, p 79 (2017)
In this article, a ferroelectric liquid crystal (FLC) dammann grating (DG) is demonstrated based on the patterned photoalignment technology. By applying low electric field (10 V) on the FLC DG, the grating can switch between a diffractive state with
Externí odkaz:
https://doaj.org/article/597fa8d30e034b639e328959d35c1c28