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The CIV broad emission line is visible in optical spectra to redshifts exceeding z~5. CIV has long been known to exhibit… Expand We present Keck/MOSFIRE observations of UV metal lines in four bright gravitationally-lensed z~6-8 galaxies behind the cluster… Expand We report the discovery of rapid variations of a high-velocity C iv broad absorption line trough in the quasar SDSS J141007.74… Expand Comparison of six high-redshift quasar spectra obtained with the Large Binocular Telescope with previous observations from the… Expand Legal scholarship in the 21st century reflects a growing interest in behavioral research on law and legal institutions. In this… Expand Using the state-of-the-art cosmological hydrodynamic simulations of the standard cold dark matter model with star formation… Expand There are mutually contradictory views in the literature of the kinematics and structure of high-ionization line (e.g. CIV… Expand Customers can interact with and create value for firms in a variety of ways. This article proposes that assessing the value of… Expand We present tomography of the circum-galactic metal distribution at redshift 1.7-4.5 derived from echellete spectroscopy of binary… Expand There are many threats to validity in high-stakes achievement testing. One major threat is construct-irrelevant variance (CIV… Expand