Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 785 for “"Bright"”.
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Cochineal : a bright red animal dye.
The natural red animal dye cochineal has been in use for at least three thousand years. It was one of the ten most frequently used ancient dyes. Cochineal was used by the Aztec, Mixtec, and Zapotec Indians when Cortez arrived in the New World. It has always been very valuable to the indigenous who …
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High resolution spectroscopy of photospheric bright points
Photospheric bright points are proxies for small-scale magnetic flux concentrations. <br>These magnetic elements are thought to be the building blocks of the solar magnetic field <br>and are important to understand many physical processes on the Sun, e.g. the variability of the solar irradiance. …
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Bright light therapy and the circadian rhythms : the effects of bright light therapy on the circadian rhythms in healthy young adults
… long term physical and mental health. Bright light therapy (BLT) has been used increasingly to re-adjust a CR, as light is highly important for regulating the CR light is a logical treatment for disorders caused by a disruption in the CR. This study aims to examine if BLT could …
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Infrared-Bright Active Galactic Nuclei in Massive Galaxy Clusters
… with large uncertainties. We select infrared bright AGN from a large, uniform, mass-selected galaxy cluster sample from the South Pole Telescope spanning a redshift range of 0.15 ≲ z ≲ 1.7 for which we have acquired follow-up Spitzer Space Telescope observations. With these data we explore the …
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Chemical and kinematic properties of bright metal poor stars
… from previously analyzed spectra from the same bright metal-poor star sample, I perform orbit determination and integration on a total of 59 metal-poor stars and extract their kinematic parameters. I also explore how these results depend on the assumed mass of the Milky Way. These chemical and …
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Bright Light Therapy for the Treatment of Night Eating Syndrome
… study was to examine the effect of an open label bright light therapy (BLT) intervention on night eating behaviors as well as secondary outcomes of mood and sleep quality. It was hypothesized that night eating symptoms, depression, and sleep would significantly improve over the course of …
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The Effect of Acute Bright Light Exposure on Social Affiliation
In recent decades, bright light has emerged as a useful tool in numerous clinical and non-clinical applications, with the potential to influence circadian rhythms, sleep, mood, and several other functional domains. However, despite the existence of plausible neurological pathways through which …
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Bright Z ~ 3 Lyman Break Galaxies in Deep Wide Field Surveys
… our new LBT Bootes field survey, and study the bright end luminosity function (LF), stellar mass function (SMF) and clustering properties of bright LBGs (1L* < L < 2.5L*). Together with other LF and SMF measurements, the evolution of LF and SMF can be well described by continuously rising star …
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Differences in Bright Low-Achieving and High-Achieving Ninth Grade Pupils
Made available in DSpace on 2014-12-08T21:22:50Z (GMT). No. of bitstreams: 1 6406013.pdf: 5195620 bytes, checksum: 56d289b4d4d68aca2a958e7db805201b (MD5) Previous issue date: 1963
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A bright idea? : the promise and peril of a memory drug
In the MIT lab of neuropharmacologist Richard Wurtman, rodents that received a new Alzheimer's drug have shown a marked improvement in learning and memory. They are able to master elaborate mazes in half the time of their all-natural counterparts. Wurtman theorizes that the memory loss and dementia …
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Merit pay in the public sector: bright promise or false hope
Merit pay refers to the awarding of differential amounts of financial rewards to deserving employees based on their individual performances as measured by Performance appraisal and Rating. The idea is that such a practice would act as a spur to all employees -- both deserving and undeserving-- to …
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The time and rate of plant nutrient absorption by bright tobacco
In the production of most farm crops, emphasis is placed on yield per acre. Other things being equal, the higher the yield er acre the lower the per unit cost of production. But in the case of flue-cured tobacco, emphasis is placed primarily on quality. Yield per acre is, of course important, but …
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Starbursts in the UV bright interacting galaxies NGC 3395 and NGC 3396
We have obtained ultraviolet and visible wavelength images for the interacting galaxies, NGC 3395/6, using the Space Telescope Imaging Spectrograph (STIS) on Hubble Space Telescope (HST). The images show many isolated sources of ultraviolet emission which are young star forming regions with ages …
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Generation of ultra-bright MeV gamma-ray beams from intense laser-matter interactions
MeV photons are generated in a wide range of physical scenarios, ranging from unstablenuclei up to massive stellar objects such as pulsars. Using relativistically-intense laser pulses, it is possible to produce high-flux high-energy photon beams in an all optical arrangement. This thesis will …
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