The FERRUM project: Experimental lifetimes and transition probabilities from highly excited even 4d levels in Fe ii

We report lifetime measurements of the 6 levels in the 3d6(5D)4d e6G term in Fe ii at an energy of 10.4 eV, and f -values for 14 transitions from the investigated levels. The lifetimes were measured using time-resolved laser-induced fluorescence on ions in a laser-produced plasma. The high excitation energy, and the fact that the levels have the same parity as the the low-lying states directly populated in the plasma, necessitated the use of a two-photon excitation scheme. The probability for this process is greatly enhanced by the presence of the 3d6(5D)4p z6F levels at roughly half the energy difference. The f -values are obtained by combining the experimental lifetimes with branching fractions derived using relative intensities from a hollow cathode discharge lamp recorded with a Fourier transform spectrometer. The data is important for benchmarking atomic calculations of astrophysically important quantities and useful for spectroscopy of hot stars.Comment: A&A, accepte

Editor\u27s Introduction, 2022

Editor\u27s introduction for the 6th volume of Access

If the Shoe Fits: The Evolution of the Cinderella Fairy Tale from Literature to Television

More than a millennium after the earliest-known version was committed to text, fairy tales continue to occupy our bookshelves and airwaves. The current popularity of fairy tale-based television programs such as Grimm and Once Upon a Time offer continued proof that the appeal of these tales is not lost on 21st century audiences. Beginning with the rise of fairy tales in the ancient cultures of China and India, this paper will follow their journey through Asia, long before these tales reached their traditionally recognized European birthplace. In this examination of the multicultural variations of a single tale—the Cinderella story—we begin to understand just how these stories have evolved. By means of textual analysis, I will examine the familiar French literary version (Perrault) of Cinderella using Propp’s (2008) morphology of “function” and character, and semiotic theories advanced by Berger (2000). I will then apply this structure to three television adaptations of the Cinderella story: the 1957 live-television broadcast of Rodgers and Hammerstein’s Cinderella, the 2006 pilot episode of ABC’s Ugly Betty, and the 2007 Mexican production of La Fea más Bella. Likewise, I will examine the ways that the Cinderella tale has retained its relevance as it crossed cultures—a literary example of globalization through cultural flow—and how the sharing of its ideas has contributed to its historical persistence

Guided Reading For Beginning English Learners In The First Grade Classroom

The purpose of this study is to examine how guided reading can support beginning English learners (ELs) in the first grade classroom. Three first grade English learners were observed in twelve guided reading sessions and their observation survey results were analyzed. This is a mixed methods study conducted in a mainstream classroom. Data collected for this study consisted of observation survey results from the fall, winter, and spring, three video recorded guided reading lessons which were assessed using a rubric, and an electronic teacher observation journal. The primary finding of this study is that when guided reading is modified to meet the unique needs of beginning ELs it can support their language and literacy development. Also, guided reading encourages students’ oral language development as well as increased confidence and independence in the mainstream classroo

Editor\u27s Introduction, 2020

Editors\u27 Introduction of the 2020 volume of the Access: Interdisciplinary Journal of Student Research and Scholarshi

Editor\u27s Introduction, Fall 2021

Editor\u27s introduction, Fall 202

Does Oral Dextromethorphan Provide Pain Relief in Patients With Diabetic Neuropathy?

OBJECTIVE: The objective of this selective EBM review is to determine whether or not oral dextromethorphan provides pain relief in patients with diabetic neuropathy. STUDY DESIGN: Review of three peer-reviewed, double blind, randomized control trials published between 1995-2012. DATA SOURCES: Studies were selected through Cochrane Library Collection and PubMed and chosen based on their relevance to the clinical question as well as their inclusion criteria; including adults over the age of 18; and those who were experiencing daily pain of moderate intensity, for at least half of the day, over a span of 3 months. OUTCOMES MEASURED: Each RCT measured the same outcome but in a different way. In the Nelson study, pain relief was measured using a 13-word descriptor scale; for the Sani study, pain relief was measured using a category rating scale; and the Shaibani trial measured pain relief using a Pain Relief Rating scale. RESULTS: It was assessed and recorded in all three RTCs that the efficacy of oral dextromethorphan in pain relief was statistically significant when compared to a placebo. CONCLUSIONS: Oral dextromethorphan has been shown to give pain relief to patients with diabetic neuropathy. With further research using larger sample sizes and assessment of long-term adverse reactions, dextromethorphan may be made a common treatment for diabetic neuropathy

Groin-Associated Rip Currents Measured Using a New Digital Current Meter

Rip currents have often been noted in physical model studies of groins and their effectiveness. Nevertheless, detailed field investigations of rip currents along a groin wall have not been heretofore conducted. A new digital current meter system was designed and built to study the groin-associated rip currents in a test groin compartment at Willoughby Spit, Norfolk, VA. Six ducted impeller current meters are controlled by a data acquisition system that utilizes an onboard microprocessor and solid state memory. The new system provides high quality data on horizontal water velocities associated with wave action. The velocities stored are time mean velocities averaged over one second. The system will make possible future studies of three dimensional flow in the nearshore and coastal zones at relatively low cost. The present study verified the existence of a groin-associated rip current in the test compartment. Measured vertical velocity profiles showed that the near bottom time mean flow was often directed onshore while the time mean flow in the upper levels was nearly always directed offshore. The presence of the rip current reduces groin effectiveness by transporting sediment from the compartment seawards beyond the groin ends. The complex vertical structure of the time mean flow makes the use of depth-averaged velocities to estimate sediment transport in a groin compartment questionable. The flow intensity for both the near botton flow and the upper flow was directly proportional to the wave breaker height and reflects the low wave energy input to this estuarine beach site. Eddies that rotate clockwise were observed at the upstream groin wall relative to the tidal current. The action of these eddies may contribute significantly to sediment scour near the groin ends

Editor\u27s Introduction - Volume Two (10/2018)

Editor\u27s introductio

Editor\u27s Introduction 2023

Editor\u27s Introduction 202