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neutral hydrogen

The distribution of neutral hydrogen around high-redshift galaxies and quasars in the EAGLE simulation

The distribution of neutral hydrogen around high-redshift galaxies and quasars in the EAGLE simulation

... Several modern observational campaigns have adopted this galaxy-centred approach by using quasar absorption lines to sys- tematically investigate the distribution of neutral hydrogen around massive galaxies ...

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Automated Processing and Analysis of Galactic Neutral Hydrogen Absorption Observations

Automated Processing and Analysis of Galactic Neutral Hydrogen Absorption Observations

... The MAGMO survey was an Australia Telescope Compact Array observing program run from 2010 to 2012 which had the aim of studying “Magnetic fields of the Milky Way through OH masers” (Green et al. 2012b). It was primarily ...

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Investigations of Quantitative Reducibility Determination and Reducibility Variations of Neutral Hydrogen-Dissolved Water by Electrochemical Analysis

Investigations of Quantitative Reducibility Determination and Reducibility Variations of Neutral Hydrogen-Dissolved Water by Electrochemical Analysis

... produce neutral hydrogen-dissolved water(HDW) that dissolved gas ...hydrogen. Hydrogen in HDW was decreased with increased waiting time; subsequently, the decrement of hydrogen was ...

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Simulating the cosmic distribution of neutral hydrogen and its connection with galaxies

Simulating the cosmic distribution of neutral hydrogen and its connection with galaxies

... of neutral hydrogen in the post- reionization ...which hydrogen self-shielding becomes important are consistent with analytic calculations and previous ...predicted neutral hydrogen ...

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S-containing Molybdenum Oxide Films as pH Neutral Hydrogen Evolution Electrocatalyst prepared by Electrodeposition

S-containing Molybdenum Oxide Films as pH Neutral Hydrogen Evolution Electrocatalyst prepared by Electrodeposition

... Molybdenum sulfides, molybdenum oxides, and S-containing molybdenum oxides have been shown to be promising electrocatalysts for hydrogen evolution. In this context, amorphous Mo–O–S films on a fluorine-doped tin ...

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Intergalactic atomic neutral hydrogen

Intergalactic atomic neutral hydrogen

... The expected spectrum of a radio source showing absorption due to HI in a cluster of galaxies at a frequency ,z{, corresponding to the red- shift of the cluster is shown in Figure 2.. In[r] ...

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Neutral hydrogen in dwarf galaxies. II. The kinematics of HI

Neutral hydrogen in dwarf galaxies. II. The kinematics of HI

... In this paper we we present the kinematical information extracted from HI maps of the dwarf galaxy sample de- scribed by Stil & Israel (2002; hereafter Paper I). As neu- tral atomic hydrogen is one of the most ...

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Lyman α emitters gone missing: evidence for late reionization?

Lyman α emitters gone missing: evidence for late reionization?

... of neutral hydrogen during the reionization process results in significant fluctuations in the Ly α transmissivity on large ...evolving neutral fraction between z = 6–8, and a typical Lyα line ...

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No hydrogen exosphere detected around the super Earth HD 97658 b

No hydrogen exosphere detected around the super Earth HD 97658 b

... the neutral hydrogen exosphere of GJ 436b into a giant coma that surrounds the planet and trails for millions of kilometers behind ...a neutral hydrogen exosphere around the super-Earth 55 Cnc ...

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Mg I emission lines at 12 and 18?m in K giants

Mg I emission lines at 12 and 18?m in K giants

... Departure coefficient ratios that deviate from unity are set up by three-body recombination from the Mg II ground state and a ‘de- excitation ladder’ that preferably takes ∆n, ∆l = −1 downward steps (see Fig. 1 for an ...

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The Milky Way and its gas: Cold fountains and accretion

The Milky Way and its gas: Cold fountains and accretion

... discrete neutral hydrogen clouds extending outward from the disk several kpc into the halo raises a number of questions, among them whether the clouds are recent condensations from a hot galactic halo, or a ...

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Method development, validation, and stability studies of teneligliptin by RP-HPLC and identification of degradation products by UPLC tandem mass spectroscopy

Method development, validation, and stability studies of teneligliptin by RP-HPLC and identification of degradation products by UPLC tandem mass spectroscopy

... Significant degradation product peaks were observed in basic, neutral (hydrogen peroxide), and thermolysis con- ditions. The stability studies were performed for 48 h. After the time of study, the samples ...

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Confirmation of double peaked Lyα emission at z = 6 593:Witnessing a galaxy directly contributing to the reionisation of the Universe

Confirmation of double peaked Lyα emission at z = 6 593:Witnessing a galaxy directly contributing to the reionisation of the Universe

... to neutral hydrogen in the CGM), while there is a relatively high transmission at further distances from the galaxy due to a large relatively ionised region (similar to the IGM transmission curve at z ≈ 4 ...

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Abundance of damped Lyman α absorbers in cosmological smoothed particle hydrodynamics simulations

Abundance of damped Lyman α absorbers in cosmological smoothed particle hydrodynamics simulations

... total neutral hydrogen mass density, DLA abundance and column density distribution function all agree reasonably well with observational estimates at redshift z = 3, indicating that DLAs arise naturally ...

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Reionization and high redshift galaxies: the view from quasar absorption lines

Reionization and high redshift galaxies: the view from quasar absorption lines

... residual neutral hydrogen within the bubble interiors; this neutral fraction will shrink during and after reionization as the mean free path of the ionizing photons grows; this is eventually ob- ...

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A New Gate to NUMEROV'S Method

A New Gate to NUMEROV'S Method

... relativistic hydrogen plasma in Rindler ...of neutral hydrogen atoms, hydrogen ions and the electrons in dynamic equilibrium of the photo-ionization reaction of neutral hydrogen ...

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Atypical emotional anticipation in high-functioning autism

Atypical emotional anticipation in high-functioning autism

... a neutral expression, a 10 % joy or a 10 % anger expression [32], were presented to the HFA and TD groups to assess any differ- ences in their perceptual report of the facial expression dis- played in the final ...

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The structure of the southern Milky Way

The structure of the southern Milky Way

... could not apply for the Carina-Cygnus Arm, since the interstellar absorption at 1 ^ = 275°, the direction in which the H I arm extends along a line of sight, does not appear to be sufficiently high to cause the gap in ...

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Co existence of water mediated and normal base pairs in a supramolecular ribbon in 2 amino 4,6 di­methyl­pyrimidinium bromide 2 amino 4,6 di­methyl­pyrimidine monohydrate

Co existence of water mediated and normal base pairs in a supramolecular ribbon in 2 amino 4,6 di­methyl­pyrimidinium bromide 2 amino 4,6 di­methyl­pyrimidine monohydrate

... The cations in (I) are also paired with one another through N12ÐH12A N13(1 ÿ x, ÿy, 2 ÿ z) hydrogen bonds. The cations are stacked on top of the neutral base molecules (Fig. 3), with their centroids ...

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Neutral Markets, Non neutral Institutions and Economic Evolution

Neutral Markets, Non neutral Institutions and Economic Evolution

... The neutral nature of markets forces institutions to be selected comparatively inefficiently, due to known lock- in effects on technologies effective from the stand of market process ...

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