Search Results - "Choudhury, T. R."

Source of metal contamination in sediment, their ecological risk, and phytoremediation ability of the studied mangrove plants in ship breaking area, Bangladesh by Rahman, M. Safiur, Hossain, M. Belal, Babu, S.M. Omar Faruque, Rahman, Moshiur, Ahmed, A.S. Shafiuddin, Jolly, Y.N., Choudhury, T.R., Begum, B.A., Kabir, J., Akter, S.

“…Samples for sediment and two species of native mangrove plants were collected from seven sampling sites for assessing the level of metal contamination. Results…”
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Response of a rice insect pest, Scirpophaga incertulas (Lepidoptera: Pyralidae) in warmer world by Ali, M. P., Bari, M. N., Haque, S. S., Kabir, M. M. M., Nowrin, F., Choudhury, T. R., Mankin, R. W., Ahmed, N.

“…Abstract Background Increases in global mean temperature, changes in rainfall patterns, and extreme climatic events are expected results of climate change. The…”
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The birth of ‘regenerative pharmacology’: a clinical perspective by Choudhury, TR, Mathur, A

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The multifrequency angular power spectrum of the epoch of reionization 21-cm signal by Datta, Kanan K., Choudhury, T. Roy, Bharadwaj, Somnath

“…Observations of redshifted 21-cm radiation from neutral hydrogen (H i) at high redshifts is an important future probe of reionization. We consider the…”
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A theoretician's analysis of the supernova data and the limitations in determining the nature of dark energy by Padmanabhan, T., Choudhury, T. Roy

“…Current cosmological observations show a strong signature of the existence of a dark energy component with negative pressure. The most obvious candidate for…”
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Detecting ionized bubbles in redshifted 21-cm maps by Datta, Kanan K., Bharadwaj, Somnath, Choudhury, T. Roy

“…The reionization of the Universe, it is believed, occurred by the growth of ionized regions (bubbles) in the neutral intergalactic medium. We study the…”
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Probing the dark ages with redshift distribution of gamma-ray bursts by Roy Choudhury, T., Srianand, R.

“…Abstract In this article, we explore the possibility of using the properties of gamma-ray bursts (GRBs) to probe the physical conditions in the epochs prior to…”
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A very extended reionization epoch? by Melchiorri, A., Choudhury, T. Roy, Serra, P., Ferrara, A.

“…The recent observations of cross temperature-polarization power spectra of the cosmic microwave background (CMB) made by the Wilkinson Microwave Anisotropy…”
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On the size of Hii regions around high-redshift quasars by Maselli, A., Gallerani, S., Ferrara, A., Choudhury, T. R.

“…We investigate the possibility of constraining the ionization state of the intergalactic medium (IGM) close to the end of reionization (z≈ 6) by measuring the…”
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Analytical models of the intergalactic medium and reionization by Choudhury, Tirthankar Roy

“…Reionization is a process whereby hydrogen (and helium) in the Universe is ionized by the radiation from first luminous sources. Theoretically, the importance…”
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Is Hepatoglobin therapy justified? by Choudhury, T R

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Glimpsing through the high redshift neutral hydrogen fog by Gallerani, S, Ferrara, A, Fan, X, Choudhury, T. R

“…We analyze the transmitted flux in a sample of 17 QSOs spectra at 5.74<zem<6.42 to obtain tighter constraints on the volume-averaged neutral hydrogen fraction,…”
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The Luminosity Function of Long Gamma-Ray Bursts and their rate at z>6 by Salvaterra, R, Campana, S, Chincarini, G, Choudhury, T. R, Covino, S, Ferrara, A, Gallerani, S, Guidorzi, C, Tagliaferri, G

“…We compute the luminosity function (LF) and the formation rate of long gamma ray bursts (GRBs) in three different scenarios: i) GRBs follow the cosmic star…”
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Experimental constraints on self-consistent reionization models by Choudhury, T. Roy, Ferrara, A.

“…A self-consistent formalism to jointly study cosmic reionization and thermal history of the intergalactic medium (IGM) in a λCDM cosmology is presented. The…”
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The optimal redshift for detecting ionized bubbles in Hi 21-cm maps by Datta, Kanan K., Bharadwaj, Somnath, Choudhury, T. Roy

“…The detection of individual ionized bubbles in H i 21-cm maps is one of the most promising, direct probes of the epoch of reionization (EoR). At least 1000 h…”
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On the size of H ii regions around high-redshift quasars by Maselli, A., Gallerani, S., Ferrara, A., Choudhury, T. R.

“…ABSTRACT We investigate the possibility of constraining the ionization state of the intergalactic medium (IGM) close to the end of reionization (z≈ 6) by…”
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Semianalytic Approach to Understanding the Distribution of Neutral Hydrogen in the Universe: Comparison of Simulations with Observations by Choudhury, T. Roy, Srianand, R, Padmanabhan, T

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Semi-analytic approach to understanding the distribution of neutral hydrogen in the Universe by Roy Choudhury, T., Padmanabhan, T., Srianand, R.

“…Analytic derivations of the correlation function and the column density distribution for neutral hydrogen in the intergalactic medium (IGM) are presented,…”
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Background Chemical Study of Relocated Hazaribagh Tannery Complex Environment, Savar by Jolly, YN, Choudhury, TR, Islam, A, Suravi, NI, Sultana, MS

“…A background study of the chemical constituents of some environmental samples - tannery   complex sand, river water, river sediment and river fishes collected…”
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A Simple Analytical Model for the Abundance of Damped Lyα Absorbers by Choudhury, T. Roy, Padmanabhan, T

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