1,916 research outputs found
Warm HCN, C2H2, and CO in the disk of GV Tau
We present the first high-resolution, ground-based observations of HCN and
C2H2 toward the T Tauri binary star system GV Tau. We detected strong
absorption due to HCN nu_3 and weak C2H2 (nu_3 and nu_2 + (nu_4 + nu_5)^0_+)
absorption toward the primary (GV Tau S) but not the infrared companion. We
also report CO column densities and rotational temperatures, and present
abundances relative to CO of HCN/CO ~0.6% and C2H2/CO ~1.2% and an upper limit
for CH4/CO < 0.37% toward GV Tau S. Neither HCN nor C2H2 were detected toward
the infrared companion and results suggest that abundances may differ between
the two sources.Comment: 23 pages, 6 figures, accepted by Ap
Topiramate in add-on therapy: Results from an open-label, observational study
SummaryAn open-label, observational prospective study assessed the effectiveness of topiramate (TPM) as add-on therapy. A total of 450 patients aged 12 and above with a diagnosis of epilepsy and at least one epileptic seizure during the 12-week retrospective baseline were to be documented. After baseline evaluation, topiramate was added. Ninety-five percent of patients had at least one baseline AED, most commonly Carbamazepine (53%) or Valproate (34%). In 5% TPM was started in monotherapy. Topiramate dose titration and target dose was determined by clinical response and side effect profile. Patients were intended to be followed for a total of 1 year which included 6 visits during which seizure frequency, adverse events, weight as well as clinical global impression were recorded. During the 12 weeks retrospective baseline, a median of 2.8 seizures per month were recorded which reduced significantly to 0.7 per month during the complete treatment phase (p<0.0001). Seventy-two percent of patients had a ≥50% seizure reduction. Ten percent of patients were seizure free during the study. The most commonly reported adverse events were difficulties with memory (4.2%), somnolence (3.6%), and dizziness (2.7%). Overall, topiramate was well tolerated, and only 5% of patients discontinued treatment due to an adverse event. Retention in the study was higher than previously reported during randomized, dose controlled studies and is likely due to individualized doses as well as slower titration used
Evaluation of the rate of artificial coverboard use by the salamander, Plethodon cinereus, in the vicinity of natural cover objects
Erratum: Warm HCN, C2H2, and CO in the Disk of GV Tau\u27\u27
This is an Erratum for the article 2007 ApJ 660 157
Автоматизированный контроль контуров регулирования нефтехимического производства
Объектом исследования является модель технологического процесса переработки сырой нефти разработанная в Honeywell UniSim design suite.
Целью магистерской диссертации является разработка и исследование автоматизированной системы мониторинга ключевых показателей эффективности контуров автоматического регулирования нефтехимического производства.
В работе представлены: анализ методов мониторинга контуров управления, анализ влияния контуров управления на технологический процесс, разработка интерфейса вывода технологических параметров, разработка системы мониторинга технологического процесса на языке программирования C#, построение контрольных карт Шухарта с автоматическим анализом данных.The object of research is a model of the technological process of crude oil refining developed in the Honeywell UniSim design suite.
The aim of the master's thesis is to develop and study an automated system for monitoring key performance indicators of the loopd of automatic regulation of petrochemical production.
This work presents: an analysis of methods for monitoring control loops, an analysis of the influence of control loops on a technological process, the development of an interface for outputting technological parameters, the development of a process monitoring system in the C # programming language, the construction of Shewhart control charts with automatic data analysis
Functional Movement Screen Scores in High School Football Players
Please refer to the pdf version of the abstract located adjacent to the title
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Ultrafast modulation of the chemical potential in BaFe2As2 by coherent phonons
Time- and angle-resolved extreme ultraviolet photoemission spectroscopy is used to study the electronic structure dynamics in BaFe2As2 around the high-symmetry points Γ and M. A global oscillation of the Fermi level at the frequency of the A1g(As) phonon mode is observed. It is argued that this behavior reflects a modulation of the effective chemical potential in the photoexcited surface region that arises from the high sensitivity of the band structure near the Fermi level to the A1g(As) phonon mode combined with a low electron diffusivity perpendicular to the layers. The results establish a novel way to tune the electronic properties of iron pnictides: coherent control of the effective chemical potential. The results further suggest that the equilibration time for the effective chemical potential needs to be considered in the ultrafast electronic structure dynamics of materials with weak interlayer coupling. © 2014 American Physical Society
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