cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
VAFB-2006-04: Report of Curation of Artifacts Stored at Vandenberg Air Force Base
Creators: name: Lebow, Clayton G.
Year: 2006

description: This report documents the curation of artifacts that had previously been stored at Vandenberg Air Force Base (AFB). Over the years, the 30 CES/CEVNC has temporarily stored miscellaneous artifacts that were collected on the Base. Most of these artifacts were objects such as projectile points collected from the surface by Base personnel (primarily 30 CES/CEVNC staff) out of concern that they would have been illegally
collected. However, Vandenberg AFB lacks an appropriate curation facility. Consequently, the 30 CES/CEVNC requested that lE catalog and prepare the artifacts for-curation at the Repository for Archaeological and Ethnographic Collections at the University of California, Santa Barbara (the Repository).
Confinement and the Global $SU(3)$ Color Symmetry
Creators: name: Chen, Ying
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: High Energy Physics - Lattice (hep-lat)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: The global $SU(3)$ color symmetry and its physical consequences are discussed. The Nöther current is actually governed by the conserved matter current of color charges if the color field generated by this charge is properly polarized. The color field strength of a charge can have a uniform part due to the nontrivial QCD vacuum field and the nonzero gluon condensate, which implies that the self-energy of a system with a net color charge is infinite and thereby cannot exist as a free state. This is precisely what the color confinement means. Accordingly, the Cornell type potential with the feature of the Casimir scaling is derived for a color singlet system composed of a static color charge and an anti-charge. The uniform color field also implies that a hadron has a minimal size and a minimal energy. Furthermore, the global $SU(3)$ color symmetry requires that the minimal irreducible color singlet systems can only be $q\bar{q}$, $qqq$, $gg$, $ggg$, $q\bar{q}g$, $qqqg$ and $\bar{q}\bar{q}\bar{q}g$, etc., as such a multi-quark systems can only exist as a molecular configurations if there are no other binding mechanisms.
description: 5 pages, 3 figures. Comments are welcome. Typos corrected. Submitted to Chin. Phys. C
VAFB-2015-11: Archaeological Survey Report and Avoidance Plan for Snowy Plover Habitat Restoration Project Phase II, Purisima Point and Minuteman Beach, Vandenberg Air Force Base, Santa Barbara County, California XUMUOS069714
Creators: name: Ryan, Christopher
name: Nocerino, Eric S.
Year: 2015

description: This document is a report that presents the results of archaeological field survey to define the extent of archaeological sites (and the extent of artifact concentrations within larger sites) within the habitat restoration areas that are part of the Snowy Plover Habitat Restoration Phase II undertaking at Vandenberg AFB. Vandenberg AFB cultural and natural resources personnel delineated the Area of Potential Effects (APE). As part of compliance with Section 106, the study included pedestrian survey of 48 archaeological sites within the APE and remapping artifact scatters with Global Positioning System (GPS) equipment. In larger sites with multiple artifact concentrations, the GPS unit was used to map concentration boundaries. In addition, artifact scatter boundaries were pin-flagged at 30-foot intervals to provide restoration work crews with easily visible avoidance areas.

Following the survey, the collected GPS data were converted to ArcGIS shapefiles and compared with an existing database of sites. Site boundaries were updated to reflect the current distributions of cultural material observed during survey. At larger sites, concentrations were mapped and boundaries were adjusted to incorporate observed concentrations. Proposed habitat restoration access routes and firebreaks were then overlaid with the sites, and an avoidance plan was developed for those restoration work elements that could potentially affect archaeological deposits within the updated site boundaries. Avoidance strategies include delineating access routes and firebreaks along existing two-track routes through vegetated areas; allowing travel on top of the vegetation targeted for removal; allowing travel on recently accumulated sand; or directing travel routes to areas outside of all newly mapped areas with archaeological material. In addition, firebreaks, staging areas, and safety zones will be established outside sites when possible or in dunes without visible deposits within sites. Herbicide application within site boundaries can be accomplished on foot with a backpack sprayer.
VAFB-1990-21b: Archaeological Investigations on Vandenberg Air Force Base in Connection with the Development of Space Transportation System Facilities, Volume II
Creators: name: Glassow, Michael A.
Year: 1990

description: This report presents the results of archaeological investigations on Vandenberg Air Force Base (VAFB), undertaken to mitigate the impacts to three archaeological sites by construction of a shuttlecraft tow route. Included in the analysis of data from these sites are selected data from earlier test excavations at eight other sites near the three that are the main focus of analysis. Analysis and interpretations emphasize reconstruction of subsistence-settlement systems through more than 8500 years of prehistory, while ancillary attention is given to artifact manufacture, particularly of flaked stone tools, and economic exchange with neighboring regions. Identified changes in subsistence and settlement through prehistory appear to be related to environmental changes and population growth.
Development and Characterization of a Multi-angle Dual Beam Thermal Lens Spectroscopy System
Creators: name: Messenger, Tasha Noel
Publisher: name: Maryland Shared Open Access Repository
Year: 2008
Subjects: Dual Beam Thermal Lens
Multi-angle Thermal Lens
Photothermal Spectroscopy
Spectroscopy
Thermal Lens Spectroscopy
Chemistry, Analytical (0486)

description: A dual beam multi-angle thermal lens spectroscopy system was successfully designed and developed for the future application of standoff detection of chemical species.  Photoacoustic spectroscopy was used as a confirmatory technique during the initial setup to ensure the thermal lens system was analytically detecting chemical species accurately.  Full spectra of fluorescein in addition to rhodamine B were obtained from the system collecting photoacoustic and thermal lens data concurrently with comparable results.  Calibrations in both the collinear and crossed beam geometry were generated with crossed beam geometry having only a slight decrease in limits of detection but an overall improvement in spatial resolution over collinear geometry, which will be a main advantage of this system in comparison to currently available technologies for standoff detection.    The system was then investigated for the thermal lens detection of gas phase samples to include nitrogen dioxide.  The thermal lens signal was found to be power dependent but more importantly wavelength dependent.  The standoff detection potential of thermal lens spectroscopy was explored through the use of triangulation.  Initial distances were tabulated for the future application of standoff detection.  An Overlap Volume Theory was developed to determine the thermal lens signal efficiency over a wide variety of angles that the probe and pump beams overlap in space.  For an efficiency of greater than 50%, the probe beam would have to be offset from the pump beam by approximately twenty degrees or less.  Thermal lens spectroscopy has potential for standoff detection of chemical species through the use of triangulation abiding by the parameters set forth in the Overlap Volume Theory developed in this thesis.
Significant primordial star formation at redshifts z ~ 3-4
Creators: name: Jimenez, Raul
name: Haiman, Zoltan
Publisher: name: arXiv
Year: 2006
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Four recent observational results have challenged our understanding of high--redshift galaxies, as they require the presence of far more ultraviolet photons than should be emitted by normal stellar populations. First, there is significant ultraviolet emission from Lyman Break Galaxies (LBGs) at wavelenghts shorter than 912Å. Second, there is strong Lyman alpha emission from extended ``blobs'' with little or no associated apparent ionizing continuum. Third, there is a population of galaxies with unusually strong Lyman-alpha emission lines. And fourth, there is a strong HeII (1640 Å) emission line in a composite of LBGs. The proposed explanations for the first three observations are internally inconsistent, and the fourth puzzle has remained hitherto unexplained. Here we show that all four problems are resolved simultaneously if 10-30 percent of the stars in many galaxies at z ~ 3-4 are mainly primordial - unenriched by elements heavier than helium ('metals'). Most models of hierarchical galaxy formation assume efficient intra--galactic metal mixing, and therefore do not predict metal-free star formation at redshifts significantly below z ~5. Our results imply that micro-mixing of metals within galaxies is inefficient on a ~ Gyr time-scale, a conclusion that can be verified with higher resolution simulations, and future observations of the HeII emission line.
description: Nature in press, March 23rd issue. Under Nature embargo. Reference and acknowledgement added
Coriolis Effect in Optics: Unified Geometric Phase and Spin-Hall Effect
Creators: name: Bliokh, Konstantin Y.
name: Gorodetski, Yuri
name: Kleiner, Vladimir
name: Hasman, Erez
Publisher: name: arXiv
Year: 2008
Subjects: subject: Optics (physics.optics)
subject: Other Condensed Matter (cond-mat.other)
subject: FOS: Physical sciences

description: We examine the spin-orbit coupling effects that appear when a wave carrying intrinsic angular momentum interacts with a medium. The Berry phase is shown to be a manifestation of the Coriolis effect in a non-inertial reference frame attached to the wave. In the most general case, when both the direction of propagation and the state of the wave are varied, the phase is given by a simple expression that unifies the spin redirection Berry phase and the Pancharatnam--Berry phase. The theory is supported by the experiment demonstrating the spin-orbit coupling of electromagnetic waves via a surface plasmon nano-structure. The measurements verify the unified geometric phase, demonstrated by the observed polarization-dependent shift (spin-Hall effect) of the waves.
description: 4 pages, 3 figures
Individual and Neighborhood-Level Predictors of Cumulative Physiological Dysregulation
Creators: name: Ayd-Simpson, Loretta Marie
Publisher: name: Maryland Shared Open Access Repository
Year: 2008
Subjects: Allostatic Load
Health
Neighborhoods
Older Adults
Sociodemographics
Stress

description: Repeated or chronic stress has been implicated in the physiological dysregulation of multiple interrelated systems related to the stress response that, over time, may be a gateway for illness, disease, and premature aging.  Much of this research has not been conducted on racially and socioeconomically diverse samples, likely underestimating the impact of environment on stress.  This project examines the influence of individual and neighborhood-level characteristics on physiological dysregulation in a sample of African American and white adults in their middle years across 10 neighborhoods in Baltimore City.  Data are from the National Institute on Aging study, Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS).  The summary measure of physiological dysregulation (including indices of cardiovascular, metabolic, and immune function) was significantly higher for older adults and those with incomes below 125% of the federal poverty level.  Negative binomial regression results showed that African American women had the highest levels of physiological dysregulation overall.  Independent of individual-level characteristics, differences in physiological dysregulation were significantly associated with subjective and objective neighborhood characteristics.  Physiological dysregulation tended to be lower for participants living in neighborhoods where they belonged to the majority racial group.  Neighborhood collective efficacy, cooperative relationships among residents, had a significant inverse relationship with physiological dysregulation.  These findings indicate that the ability to adapt to stressors over the life course is influenced by both individual and neighborhood-level characteristics.  This research has benefits that extend to older adults who may be aging-in-place in their communities.  A broader view of the ways in which social and physical environments meet the complex and varied needs of older adults is fundamental to the promotion of health, independence, and well-being in the later years.
Tidally perturbed pulsations in the pre-main sequence $δ$ Scuti binary RS Cha
Creators: name: Steindl, T.
name: Zwintz, K.
name: Bowman, D. M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: FOS: Physical sciences

description: Stellar components in binaries are subject to tidal forces which influence asteroseismic properties. Tidally pertubed pulsations have been reported for different objects but none of these are in their pre-main sequence phase of evolution. This makes RS Cha, consisting of two $δ$ Scuti stars and with pulsational characteristics influenced by tidal effects , the first such object observed. We aim to investigate the pulsational properties of the eclipsing binary RS Cha in terms of the theory of tidally perturbed pulsations. Based on photometric time series obtained from the TESS satellite, we performed binary modelling using PHOEBE to interpret the binary light curve and to allow the investigation of the pulsations of both components in RS Cha. We modelled the detrended light curve with the superposition of linear modes. The frequencies were then interpreted as self excited modes perturbed by tidal forces. We find evidence for tidally perturbed modes, which enables the identification of pulsation modes. RS Cha mainly exhibits dipole modes, while one prominent $l=2$ or $l=3$ mode is also inferred. The latter verifies previous results from spectroscopic time series. This work shows that RS Cha is an ideal candidate to test the theory of tidally perturbed pulsations within the framework of asteroseismic modelling. The identification of multiple pulsation modes using this theory is unprecedented and will be a keystone in the future of pre-main sequence asteroseismology. However, amplitude modulation caused by the changing light ratio during the orbital phase in an eclipsing binary also plays a significant role, which can complicate mode identification.
description: 11 pages plus 7 for the appendix, 8 pages plus 8 for the appendix, accepted for publication in Astronomy & Astrophysics
Characterization of an affinity purification system for recombinant proteins containing a cellulose binding domain
Creators: name: Rodriguez, Beatriz
Publisher: name: University of British Columbia
Year: 2009

description: The selective binding of the cellulose binding domain (CBD) of the exo-ß-l,4-gIycanase Cex from Cellulomonas fimi (CBDcex) to a variety of cellulosic substrates offers the possibility of a new, cost effective, highly flexible affinity chromatography system for purification of recombinant proteins. Genetic linkage of CBDCex to a target protein results in a fusion protein which binds strongly to cellulose and retains the biological activity of the fusion partner. This thesis is concerned with development, testing, and modeling of an affinity chromatography column based on a sorbent resin of Avicel PHI01, a pure semicrystalline cellulose particulate, for one-step purification of recombinant fusion proteins containing a CBDcex tag. Appropriate mobile-phase compositions for the loading, wash, and elution steps are described, as are the general requirements for column set-up. Limitations of the current column configuration and components are discussed along with suggestions for improving the system. Frontal-loading and first-moment analyses are used to characterize basic column properties, including voidage and packing uniformity. Second moment analysis is combined with breakthrough data as a function of flow rate and concentration to determine axial diffusion coefficients, film/particle mass transfer coefficients, and solute diffusivities. The pore-size distribution and effective porosity of Avicel PHI01 particles are determined by a solute exclusion technique using probe molecules of varying hydrodynamic radius. Batch adsorptionisotherm data are used to estimate binding constants for CBDcex and maximum sorbent surface capacity, which are then confirmed on column by breakthrough curve analysis. The measured column parameters are combined with the equations governing continuity and intraparticle diffusion to develop a column model which accounts for gradients both along the column axis and in the radial direction within the sorbent particles. Flow and solute concentrations are assumed to be uniform across any cross-section of the column. Breakthrough curves predicted by the model are in good agreement with experiment over the range of realistic operating conditions. Column performance and model predictions are verified by their application to the purification of a Protein A-CBDcex fusion and the comparison of predicted breakthrough curves with those observed experimentally.
Models simulation and interoperability using MDA and HLA
Creators: name: Haouzi, Hind El
Publisher: name: arXiv
Year: 2006
Subjects: subject: Other Computer Science (cs.OH)
subject: FOS: Computer and information sciences

description: In the manufacturing context, there have been numerous efforts to use modeling and simulation tools and techniques to improve manufacturing efficiency over the last four decades. While an increasing number of manufacturing system decisions are being made based on the use of models, their use is still sporadic in many manufacturing environments. Our paper advocates for an approach combining MDA (model driven architecture) and HLA (High Level Architecture), the IEEE standard for modeling and simulation, in order to overcome the deficiencies of current simulation methods at the level of interoperability and reuse.
description: 8 pages
Error and Attack Tolerance of Layered Complex Networks
Creators: name: Kurant, Maciej
name: Thiran, Patrick
Publisher: name: arXiv
Year: 2006
Subjects: subject: Physics and Society (physics.soc-ph)
subject: FOS: Physical sciences

description: Many complex systems may be described not by one, but by a number of complex networks mapped one on the other in a multilayer structure. The interactions and dependencies between these layers cause that what is true for a distinct single layer does not necessarily reflect well the state of the entire system. In this paper we study the robustness of three real-life examples of two-layer complex systems that come from the fields of communication (the Internet), transportation (the European railway system) and biology (the human brain). In order to cover the whole range of features specific to these systems, we focus on two extreme policies of system's response to failures, no rerouting and full rerouting. Our main finding is that multilayer systems are much more vulnerable to errors and intentional attacks than they seem to be from a single layer perspective.
description: 5 pages, 3 figures
Challenges to Inferring Evolutionary Relationships of Closely-related Species: Multilocus Approaches Resolve the Evolutionary History of New World Orioles (Icterus)
Creators: name: Jacobsen, Frode
Publisher: name: Maryland Shared Open Access Repository
Year: 2011
Subjects: Icterus
incomplete lineage sorting
introgression
multilocus
nuclear introns
phylogeny

description: Mitochondrial DNA (mtDNA) has demonstrated great utility for phylogeography and phylogenetics, but has several limitations and must be corroborated by independent nuclear evidence. Stochastic lineage sorting and introgressive hybridization frequently cause gene genealogies to be incongruent with the species tree and can render even the most strongly supported gene tree misleading. I utilized multiple nuclear introns and several multilocus approaches to investigate the evolutionary relationships between New World orioles within genus Icterus  st, I tested the utility of nuclear introns for inferring species-level phylogenies (Ch. 1). Concatenation analysis of six sex-linked introns yielded a well-resolved phylogeny that corroborated many nodes supported by mtDNA, especially deeper in the oriole tree. Second, I assessed the performance of four species tree algorithms by inferring a phylogeny of a recent radiation of eleven oriole species (Ch. 2). I sequenced seven independent introns from multiple individuals of each species, and found overall agreement between methods and previous data sets. Concatenation and Bayesian concordance analysis were mostly congruent and agreed on eight nodes. One of two coalescent-based methods used (*BEAST) supported six of these eight nodes. I found strong conflict between mtDNA and nDNA regarding the relationships within the well-studied ""northern oriole"" group. MtDNA supported a sister relationship between I. galbula and I. abeillei, whereas nDNA supported a sister relationship between I. bullockii I. abeillei ally, I tested the utility of an extended IM model to examine the divergence population genetics of the three northern orioles (Ch. 3). Multi-population IMa2.0 analysis revealed extensive introgression between I. galbula I. bullockii contrast, there was no gene flow between I. bullockii I. abeillei gesting that their close nDNA relationship is not due to extensive introgression. However, previously undocumented substantial introgression between I. galbula I. abeillei ests that their close mtDNA relationship is likely due to mtDNA introgression and replacement in I. abeillei sing the mtDNA tree to be misleading. Increased documentation of introgression in nature highlights the need for methods that can infer both trees and population parameters so that we can account for gene flow when inferring the evolutionary history of closely-related species.
VAFB-2018-02: Identification of Historic Properties and Assessment of Adverse Effects Site 32 Cluster Remediation Project Vandenberg Air Force Base, Santa Barbara County, California
Creators: name: Ryan, Christopher
name: Smallwood, Josh
Year: 2018

description: This government generated Section 106 report is a historic property inventory and an assessment of adverse effects associated with the Site 32 Cluster Remediation Project. The purpose of the document is to compile any prior or current studies performed in support of the Site 32 Cluster remediation project as a single Section 106 report. This report provides the information needed by the California State Historic Preservation Officer to concur on the project findings and determinations for individual resources as presented by the Vandenberg Air Force Base Cultural Resource Manager. The report specifically examines project impacts and/or avoidance strategies for three archaeological sites; CA-SBA-2307, -2352, -3005.
VAFB-2018-22: Identification of Historic Properties And Assessment of Effect United States Marine Corps' Amphibious Vehicle Testing Project Vandenberg Air Force Base Santa Barbara County, California
Creators: name: Ryan, Christopher
name: Smallwood, Josh
Year: 2018

description: This document is a Section 106 report on the Identification of Historic Properties and Assessment of Effect United States Marine Corps’ Amphibious Vehicle Testing Project Vandenberg Air Force Base Santa Barbara County, California. Potentially impacted sites are identified within the report, as are the boundaries of both alternative sites. This document 1) delineates the Area of Direct Impact (ADI) for this project to be the footprint for all foreseeable project-related ground-disturbing activities, and 2) that The APE for Alternative 1 includes the ADI plus the entirety of CA-SBA-1888 and the Camp Cooke M Range, P-42-003551, and 3) that the APE for Alternative 2 includes the ADI plus the entirety of CA-SBA-512 and CA-SBA-1853 which is intersected by the ADI. the document also seeks State Historic Preservation Office concurrence for 1) the APE for the USMC Amphibious Testing Project alternatives are adequately delineated, and 2) the Camp Cooke M Range (P-42-003551) and the Camp Cooke Training Ranges district (P-42-041184) are not eligible for the NRHP; and 3) that Known deposits of CA-SBA-512, a historic property, would be avoided in their entirety with the installation of an exclusionary fence and would not be adversely affected.
Выращивание новорожденных и телят молочного периода
Creators: name: Аминова А. Л.
name: Юмагузин И. Ф.
Publisher: name: Эффективное животноводство
Year: 2021
Subjects: корова
отел
теленок
молозиво
иммунитет
cow
calving
calf
colostrum
immunity

description: В обзорной статье приведены первые заботы после отела коровы, уход за новорожденным теленком, рассмотрены особенности формирования его иммунитета, кормления молодняка в молочный период.
description: The review article presents the first concerns after calving a cow, caring for a newborn calf, examines the features of the formation of its immunity, feeding young animals during the dairy period.
Hyperspectral interference tomography of nacre
Creators: name: Salman, Jad
name: Stifler, Cayla A.
name: Shahsafi, Alireza
name: Sun, Chang-Yu
name: Weibel, Steve
name: Frising, Michel
name: Rubio-Perez, Bryan E.
name: Xiao, Yuzhe
name: Draves, Christopher
name: Wambold, Raymond A.
name: Yu, Zhaoning
name: Bradley, Daniel C.
name: Kemeny, Gabor
name: Gilbert, Pupa U. P. A.
name: Kats, Mikhail A.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: Applied Physics (physics.app-ph)
subject: Biological Physics (physics.bio-ph)
subject: Instrumentation and Detectors (physics.ins-det)
subject: FOS: Physical sciences

description: Structural characterization of biologically formed materials is essential for understanding biological phenomena and their environment, and generating new bio-inspired engineering concepts. For example, nacre -- formed by mollusks in the ocean -- encodes local environmental conditions throughout its formation and has exceptional strength due to its nanoscale brick-and-mortar structure. This layered structure, comprising transparent aragonite tablets bonded with an ultra-thin organic polymer, also results in stunning interference colors. Existing methods of structural characterization of nacre rely on some form of cross-sectional analysis, such as scanning electron microscopy or polarization-dependent imaging contrast (PIC) mapping. However, these techniques are destructive and too time- and resource-intensive to analyze large sample areas. Here we present an all-optical, rapid, and non-destructive imaging technique -- hyperspectral interference tomography (HIT) -- to spatially map the structural parameters of nacre and other disordered layered materials. We combined hyperspectral imaging with optical-interference modeling to infer the mean tablet thickness and disordering of nacre layers across entire mollusk shells at various stages of development, observing a previously unknown relationship between the growth of the mollusk and tablet thickness. Our rapid, inexpensive, and nondestructive method can be readily applied to in-field studies.
description: Main text + supplementary
Effects of the Rural Environment on Access to Health Care for Elders
Creators: name: Schmidt, Joanna Lee
Publisher: name: Maryland Shared Open Access Repository
Year: 2009
Subjects: Access to Care
Environment
MCBS
Physician Visits
Prescription Drugs
Rural

description: The main goal of this study is to examine the relationship among residence  ( rural/ nonmetropolitan/ urban), individual traits of elders, community characteristics, and  realized access to health care. For this research access to care, referred to as realized  access, is defined as ( 1) reported trouble getting care ( 2) physician visits, and ( 3)  prescription drug utilization. The aims of this research are to: ( 1) Determine if changes  in realized access to care have occurred over a 5 year period from 1999- 2004. ( 2)  Determine whether, rural residence’s influence on realized access to care persists when  individual traits of elders ( insurance, age, education, income, race, health, and health  beliefs) and community traits ( physician supply, percentage of the population aged 65  and older, and transportation issues) are considered.  Data for this study are derived from the Medicare Current Beneficiary Survey  ( MCBS) and the Area Resource File. All variables except the physician supply and  percentage of the population over 65 are obtained from the MCBS for the years of 1999  and 2004. The sample consists of individuals within the MCBS who are living in the  community and are aged 65 and over.  Multiple OLS regression and logistic regression with difference in difference  estimators are used to answer aims 1 and 2. Results indicate a slightly decreased number  of elders reporting trouble getting care over the five year period and modest increases in  both physician visits and prescription drug use. Nonmetropolitan elders are less likely to  report trouble getting care than metropolitan elders, rural elders are found to use fewer  physician visits as compared to metropolitan elders, and no difference is found in the use  of prescription drugs when controlling for individual and community traits. Only one of  the community characteristics ( percentage of the population aged 65+) is found to be  related to realized access to care. These findings add to the existing literature by helping  to explain the relationships between individual characteristics, community characteristics,  and access to care while also providing a wider definition of access.
Non-homogeneous polygonal Markov fields in the plane: graphical representations and geometry of higher order correlations
Creators: name: Schreiber, Tomasz
Publisher: name: arXiv
Year: 2008
Subjects: subject: Probability (math.PR)
subject: Mathematical Physics (math-ph)
subject: FOS: Mathematics
subject: FOS: Physical sciences
subject: 60D05; 82B21

description: We consider polygonal Markov fields originally introduced by Arak and Surgailis (1989). Our attention is focused on fields with nodes of order two, which can be regarded as continuum ensembles of non-intersecting contours in the plane, sharing a number of features with the two-dimensional Ising model. We introduce non-homogeneous version of polygonal fields in anisotropic enviroment. For these fields we provide a class of new graphical constructions and random dynamics. These include a generalised dynamic representation, generalised and defective disagreement loop dynamics as well as a generalised contour birth and death dynamics. Next, we use these constructions as tools to obtain new exact results on the geometry of higher order correlations of polygonal Markov fields in their consistent regime.
description: 54 pages
VAFB-2005-02: Archaeological Investigations in Support of the Missile Transport Bridge on Vandenberg Air Force Base in Santa Barbara County, CA
Creators: name: Lebow, Clayton G.
name: Harro, Douglas
name: McKim, Rebecca
name: Denardo, Carole A.
Year: 2005

description: This report documents archaeological studies at CA-SBA-1036, -1037, -1172/704, 1565, and -2448. All five sites are located along El Rancho Road as it crosses San Antonio Creek on Vandenberg Air Force Base (AFB) (Figures 1-1 and 1-2). El Rancho Road is a crucial primary transportation route on North Vandenberg AFB, providing necessary redundant access for mission-related activities. However, sedimentation has raised the level of the San Antonio Creek streambed and severely reduced the flood capacity of the existing El Rancho Road Bridge. Recent winter storms have intermittently forced closure of the road due to flooding, thereby reducing access to Air Force facilities north of the creek. Furthermore, the secondary access route to North Base, San Antonio Road West, also is threatened during severe winter storms.
A Visual Analytics Approach to Facilitate the Proctoring of Online Exams
Creators: name: Li, Haotian
name: Xu, Min
name: Wang, Yong
name: Wei, Huan
name: Qu, Huamin
Publisher: name: arXiv
Year: 2021
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: FOS: Computer and information sciences

description: Online exams have become widely used to evaluate students' performance in mastering knowledge in recent years, especially during the pandemic of COVID-19. However, it is challenging to conduct proctoring for online exams due to the lack of face-to-face interaction. Also, prior research has shown that online exams are more vulnerable to various cheating behaviors, which can damage their credibility. This paper presents a novel visual analytics approach to facilitate the proctoring of online exams by analyzing the exam video records and mouse movement data of each student. Specifically, we detect and visualize suspected head and mouse movements of students in three levels of detail, which provides course instructors and teachers with convenient, efficient and reliable proctoring for online exams. Our extensive evaluations, including usage scenarios, a carefully-designed user study and expert interviews, demonstrate the effectiveness and usability of our approach.
description: 17 pages, 10 figures. Accepted at CHI2021
Light and colour variations of Mira variables in the Small Magellanic Cloud
Creators: name: Ita, Yoshifusa
name: Menzies, John W.
name: Whitelock, Patricia A.
name: Matsunaga, Noriyuki
name: Takayama, Masaki
name: Nakada, Yoshikazu
name: Tanabe, Toshihiko
name: Feast, Michael W.
name: Nagayama, Takahiro
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: The goal of this paper is to characterise the light variation properties of Mira variables in the Small Magellanic Cloud. We have investigated a combined optical and near infrared multi-epoch dataset of Mira variables based on our monitoring data obtained over 15 years. Bolometric correction relations are formulated for various near-infrared colours. We find that the same bolometric correction equation holds for both the bolometricly brightest and faintest pulsation phases. Period-bolometric magnitude relations and period-colour relations were derived using time-averaged values. Phase lags between bolometric phase and optical and near-infrared phases were detected from the O-rich (the surface C/O number ratio is below unity) Mira variables, while no significant systematic lags were observed in most of the C-rich (the C/O ratio is over unity) ones. Some Miras show colour phase inversions, e.g., $H-K_{\rm s}$ at its bluest while $J-H$ and $J-K_{\rm s}$ are at their reddest values at about the bolometricly brightest phase. Their occurrence conditions were studied but no clear direct or indirect trigger was found. A large NIR colour change unassociated with stellar pulsation was observed in Miras with long secondary periods, and its possible explanation is described.
description: 20 pages, 22 figures, accepted for publication in MNRAS
Topological edge states of nonequilibrium polaritons in hollow honeycomb arrays
Creators: name: Ma, Xuekai
name: Kartashov, Yaroslav V.
name: Ferrando, Albert
name: Schumacher, Stefan
Publisher: name: arXiv
Year: 2020
Subjects: subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: We address topological currents in polariton condensates excited by uniform resonant pumps in finite honeycomb arrays of microcavity pillars with a hole in the center. Such currents arise under combined action of the spin-orbit coupling and the Zeeman splitting that break the time-reversal symmetry and open a topological gap in the spectrum of the structure. The most representative feature of this structure is the presence of two interfaces, inner and outer ones, where the directions of topological currents are opposite. Due to the finite size of the structure polariton-polariton interactions lead to the coupling of the edge states at the inner and outer interfaces, which depends on the size of the hollow region. Moreover, switching between currents can be realized by tuning the pump frequency. We illustrate that currents in this finite structure can be stable and study bistability effects arising due to the resonant character of the pump.
VAFB-2005-13: Archaeological Investigations Supporting Consultation with the State Historic Preservation Officer for the Heritage Launch Program Demolition on Vandenberg AFB
Creators: name: Lebow, Clayton G.
name: Haslouer, Leeann G.
name: Hansen, Charles
name: Stevens, Nathan
name: Fancher, Jason M.
Year: 2005

description: This document is report that presents the results of Section 106 and 110 investigations for the Heritage Launch Program Demolition project on Vandenberg Air Force Base (VAFB). The purpose of investigations varied by location, including (1) absence/presence testing at three different isolated artifacts recorded near Building 946; (2) assessing potential adverse effects at archaeological site CA-SBA-1891 near the Santa Ynez Water Treatment Plant; (3) assessing potential adverse effects at archaeological site CA-SBA-537/1816 in the southwest corner of Space Launch Complex (SLC) 4; (4) evaluating significance and assessing potential adverse effects at archaeological site CA-SBA-990 around Building 1950; and (5) evaluating significance and assessing potential adverse effects at archaeological site CA-SBA-1070/1071 at the abandoned Atlas 576-F Launch Complex.
VAFB-2020-26: Identification of Historic Properties Western Range 915-MHz Radar Wind Profiler Relocation Project (813-21-003)
Creators: name: Loetzerich, Roscoe
name: Smallwood, Josh
Year: 2020

description: This document is a Historic Properties Report for the Western Range 915-MHz Radar Wind Profiler Relocation Project. This report provides details about the undertaking. It defines a project Area of Direct Impact (ADI) and an Area of Potential Impact (APE). The report provides background information about resources found around the project area and demonstrates that there are no resources within the APE. The report supports a project finding of no historic properties affected.
Viral Visualizations: How Coronavirus Skeptics Use Orthodox Data Practices to Promote Unorthodox Science Online
Creators: name: Lee, Crystal
name: Yang, Tanya
name: Inchoco, Gabrielle
name: Jones, Graham M.
name: Satyanarayan, Arvind
Publisher: name: arXiv
Year: 2021
Subjects: subject: Human-Computer Interaction (cs.HC)
subject: Computers and Society (cs.CY)
subject: FOS: Computer and information sciences

description: Controversial understandings of the coronavirus pandemic have turned data visualizations into a battleground. Defying public health officials, coronavirus skeptics on US social media spent much of 2020 creating data visualizations showing that the government's pandemic response was excessive and that the crisis was over. This paper investigates how pandemic visualizations circulated on social media, and shows that people who mistrust the scientific establishment often deploy the same rhetorics of data-driven decision-making used by experts, but to advocate for radical policy changes. Using a quantitative analysis of how visualizations spread on Twitter and an ethnographic approach to analyzing conversations about COVID data on Facebook, we document an epistemological gap that leads pro- and anti-mask groups to draw drastically different inferences from similar data. Ultimately, we argue that the deployment of COVID data visualizations reflect a deeper sociopolitical rift regarding the place of science in public life.
description: To appear in ACM CHI 2021; 18 pages, 4 figures, 1 table
FОRMATIVE ASSESSMENT TECHNIQUES IN A STUDENT-CENTERED B1 CLASSRООM: HОW ОNGОING ASSESSMENT SUPPОRTS LEARNER PRОGRESS AND SELF-REGULATIОN
Creators: name: Bakhriddinov, Makhamadali
Publisher: name: Zenodo
Year: 2024

description: This thesis explоres fоrmative assessment techniques in a student-centered B1 language classrооm, emphasizing hоw such assessments suppоrt learner prоgress and prоmоte self-regulatiоn. It highlights key techniques, including peer and self-assessment, teacher feedback, learning pоrtfоliоs, оbservatiоn, and exit tickets, discussing their rоle in fоstering learner autоnоmy and active engagement. The findings suggest that fоrmative assessment, when effectively integrated, empоwers B1 learners tо mоnitоr and direct their оwn learning, imprоving their language cоmpetence and autоnоmy. Challenges such as time cоnstraints and subjective assessments are alsо cоnsidered, with prоpоsed sоlutiоns tо enhance the efficacy оf fоrmative assessment in language educatiоn.
Transition region from turbulent to dead zone in protoplanetary disks: local shearing box simulations
Creators: name: Pucci, Fulvia
name: Tomida, Kengo
name: Stone, James
name: Takasao, Shinsuke
name: Ji, Hantao
name: Okamura, Shoichi
Publisher: name: arXiv
Year: 2020
Subjects: subject: Solar and Stellar Astrophysics (astro-ph.SR)
subject: Earth and Planetary Astrophysics (astro-ph.EP)
subject: FOS: Physical sciences

description: The dynamical evolution of protoplanetary disks is of key interest for building a comprehensive theory of planet formation and to explain the observational properties of these objects. Using the magnetohydrodynamics code Athena++, with an isothermal shearing box setup, we study the boundary between the active and dead zone, where the accretion rate changes and mass can accumulate. We quantify how the turbulence level is affected by the presence of a non uniform ohmic resistivity in the radial-x direction that leads to a region of inhibited turbulence (or dead zone). Comparing the turbulent activity to that of ideal simulations, the turbulence inhibited area shows density fluctuations and magnetic activity at its boundaries, driven by energy injection from the active (ideal) zone boundaries. We find magnetic dissipation to be significantly stronger in the ideal regions, and the turbulence penetration through the boundary of the dead zone is determined by the value of the resistivity itself, through the ohmic dissipation process, though the thickness of the transition does not play a significant role in changing the dissipation. We investigate the 1D spectra along the shearing direction: magnetic spectra appear flat at large scales both in ideal as well as resistive simulations, though a Kolmogorov scaling over more than one decade persists in the dead zone, suggesting the turbulent cascade is determined by the hydrodynamics of the system: MRI dynamo action is inhibited where sufficiently high resistivity is present.
description: 11 pages 12 figures
VAFB-2010-02: Collection and Management of Radiocarbon Data: Fiscal Years 2003-2009, Including Excavations at CA-SBA-612, -760/761/1748, -2322, -2919, -3328, and -3949
Creators: name: Lebow, Clayton G.
name: Georganna Hawley
name: Enright, Erin A.
name: Haslouer, Leeann G.
name: Munns, Ann M.
Year: 2010

description: This document is an Archaeolgical Evaluation Report on the results of analyses on the samples taken from six different sites within Vandenberg Air Force Base boundaries. In Fiscal Year 2000 Vandenberg Air Force Base (AFB) began a program to periodically collect and manage radiocarbon data. In 2003, as part of that program the 30th Civil Engineer Squadron, Cultural Resources Section (30 CES/CEVPC; now 30 CES/CEANC) requested collection of radiocarbon data by excavating a small number of test units and column samples at six sites: CA-SBA-612, -760/761/1748, -2322, -2919, -3328, and -3949. In addition, analysis of radiocarbon samples from the existing CA-SBA-931 collection was requested. However, while work was underway, funding was suddenly and unexpectedly lost. Although fieldwork, laboratory sorting, and radiocarbon analyses had been completed, other technical analyses had not been started and no report had been prepared. In 2009, the 30 CES/CEVNC obtained funds to complete the remaining technical analyses and to prepare this report documenting the radiocarbon collection effort. In the following summary, the sites are ordered from north to south.
Integrating software distributed shared memory and message passing programming
Creators: name: Wong, H'sien Jin
Publisher: name: The Australian National University
Year: 2018
Subjects: subject: QA76.6.W66 2010
subject: Distributed shared memory
subject: Computer programming

description: Software Distributed Shared Memory (SDSM) systems provide programmers with a shared memory programming environment across distributed memory architectures. In contrast to the message passing programming environment, an SDSM can resolve data dependencies within the application without the programmer having to explicitly specify the required communications. Such ease-of-use is, however, provided at a cost to performance. This thesis considers how the SDSM programming model can be combined with the message passing programming model with the goal of avoiding these additional costs when a message passing solution is straightforward. To pursue the above goal a new SDSM library, named Danui, has been developed. The SDSM manages a shared address space in units of pages. Consistency for these pages is maintained using a variety of home-based protocols. In total, the SDSM includes seven different barrier implementations, five of which support home-migration. Danui is designed with portability and modularity in mind. It is written using the standard Message Passing Interface (MPI) to perform all underlying SDSM related communications. MPI was used both to permit the subsequent exploration of user-level MPI/SDSM programming, and also to enable the SDSM library to exploit optimised MPI implementations on a variety of cluster interconnects. A detailed analysis of the costs associated with the various SDSM operations is given. This analysis characterizes each SDSM operation based upon a number of factors. For example, the size of an SDSM page, the number of modifications made to shared memory, the choice of barrier used etc. This information is then used as a guide to determine which parts of an SDSM program would benefit most if replaced by direct calls to MPI. The integration of the shared memory and message passing (SMMP) programming models within Danui is discussed in detail. It is shown that a na{u00EF}ve integration of the SDSM and MPI programming models leads to memory consistency problems when MPI transfers occur to or from memory that is part of the software managed shared address space. These problems can, however, be overcome by noting the semantics of the shared memory and message passing paradigms, and introducing a few extensions to the MPI interface.
VAFB-1998-10: Vandenberg Air Force Base Specific Site Revisit Project August 3-26, 1998 inclusive Brief Summary
Creators: name: Wilcoxon Archaeological Consultants
Year: 1998

description: All sites on the Discrepancy List were re-visited by a crew of four archaeologists and one BTG representative. The BTG representative accompanying the archaeological crew operated a Trimble GPS receiver backpack unit. Sites were relocated using site records, topographic maps and BTG generated maps, referred to as "Grid 46" maps. Upon reaching the general vicinity of the site, we conducted an intensive linear survey at 10 to 15 meter intervals, sweeping back and forth until artifacts described in the site record were relocated.