cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Biofilm Growth and Biodegradation of Ozonated Natural Organic Matter on Granular Activated Carbon
Creators: name: Grimberg, Stefan Johannes
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1989

description: Biological activity on granular activated carbon (GAC)offers an encouraging possibility for removal of organic material in water purification processes. Natural organic matter (NOM), the main organic pollutant in drinking water, is generally considered to be resistant to biological degradation. Preozonation enhances the NOM biodegradabi1ity. Ozonated NOM could therefore serve as a primary substrate for biofilm establishment. The degree of NOM biodegradation in a GAC column is a function of column length due to the heterotrophic NOM characteristics. Readily degradable NOM fractions are degraded at the top of the column whereas fractions more resistant to microbial metabolism are degraded deeper in the bed. Three fixed-film CSTRs in series were used to observe the performance of the full scale GAC column. NOM biodegradation along the GAC column was described with biofilm observations and biokinetic tests in each of the CSTRs. Steady state removal of ozonated NOM through the three CSTRs (EBCT = 15 min) was 40%. Scanning electron microscopy revealed that the observed biofilm consisted of filamentous growth, extracellular material, actinomycetes and distinct singular organisms. No significant difference between the biofilm structure among the CSTRs was observed. High pressure size exclusion chromotography conducted on the NOM effluents of the three CSTRs suggest that specific NOM fractions are removed at different locations in the bed. First order NOM blodegradation rate coefficients of 1 x 10 1/day, determined in-situ, were found in each CSTR. However, the concentration where no biodegradation could be observed decreased in each subsequent reactor. This suggests that the microbial community adapts to the specific NOM composition and maximizes its metabolic rate. An attempt was made to determine in-situ biomass concentration in the fixed film CSTR using 32P uptake rates. The uptake rate of radiolabled phosphorus was correlated to the amount of cells in suspended cultures. However, adsorption of HPP4 onto GAC interfered with the interpretation of the 32P uptake rate tests conducted on the fixed film CSTRs.
title: The clinical relevance of ADC value of metastatic bone lesions on diffusion-weighted MR image: differences according to the primary tumour, targeted bones and clinical factors
Creators: name: Cha, Min Jae
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Musculoskeletal bone
subject: MR-Diffusion/Perfusion
subject: Diagnostic procedure
subject: Metastases

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: This study is to evaluate whether apparent diffusion coefficient (ADC) value of metastatic bone lesions on diffusion-weighted magnetic resonance (MR) image differs according to the primary cancer, affected bones, and clinical...
Threshold singularities in the correlators of the one-dimensional models
Creators: name: Ovchinnikov, A. A.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mathematical Physics (math-ph)
subject: Strongly Correlated Electrons (cond-mat.str-el)
subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We calculate the threshold singularities in one-dimensional models using the universal low-energy formfactors obtained in the framework of the non-linear Luttinger liquid model. We find the reason why the simplified picture of the impurity moving in the Luttinger liquid leads to the correct results. We obtain the prefactors of the singularities including their $k$- dependence at small $k<
description: 10 pages
Monitoring 35S During the Incineration of Liquid Low Level Radioactive Waste
Creators: name: Wall, Benjamin Evans
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1988

description: Effluents and residual ash were monitored in order to determine the fate of 35S labelled liquid waste during high temperature incineration. Effluents were monitored using a modified EPA approved Method 5 isokinetic sampling probe with 3% H2O2 as the trapping solution. The radioactivity content in the gaseous effluents and residual ash was counted using a liquid scintillation counter calibrated for 35S. Eleven trial burns of liquid waste with activities ranging from 199 to 5659 μCi^1 were conducted. An aqueous solution of 35S labelled Methionine was the source of activity in eight of the trials and an aqueous solution of 35S labeled sulphate was the source in the remaining three trials. Percent of the total activity incinerated contained in the effluents and ash was determined.
title: The role of ultrasound in sports muscular injuries
Creators: name: Capannelli, Diana
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Musculoskeletal soft tissue
subject: Musculoskeletal system
subject: Ultrasound
subject: MR
subject: Diagnostic procedure
subject: Athletic injuries
subject: Trauma

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: The objective of this study was to evaluate the role of ultrasonography (US), compared with magnetic resonance imaging (MRI), in the diagnosis and follow up of traumatic muscle injuries. Muscle injury is one of the most common event occurring in...
Zmiany klimatu jako wyzwanie dla państw arktycznych -wybrane przykłady
Creators: name: Sadurski, Leszek Krzysztof
Publisher: name: Zenodo
Year: 2023
Subjects: Arktyka, zmiany klimatu, adaptacja Regionalnego Kompleksu Bezpieczeństwa w Arktyce

description: Zmiany klimatu jako wyzwanie dla państw arktycznych -wybrane przykłady -prezentacja została przygotowana w ramach badań finansowanych przez Narodowe Centrum Nauki w ramach grantu pt.: Adaptacja regionalnego kompleksu bezpieczeństwa w obliczu zmian klimatu na przykładzie Arktyki, o numerze: UMO-2019/35/N/HS5/00578. Prezentacja została wygłoszona podczas wystąpienia na konferencji -Międzynarodowa Konferencja Naukowa: Nauki o Bezpieczeństwie – Dekada doświadczeń w Warszawie, w 2021 r.
A Scoping Review of Digital Scholarship from Multiple Disciplines: Recommendations to Inform Academic Advancement in Pediatrics
Creators: name: Dorste, Anna
name: Wolbrink, Traci
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Medicine and Health Sciences
subject: Medical Specialties
subject: Medical Education
subject: Academic Promotion
subject: Academic Tenure
subject: Digital Scholarship
subject: Pediatrics

description: Provide a structured summary that includes (as applicable): background, objectives, eligibility criteria, sources of evidence, charting methods, results, and conclusions that relate to the review questions and objectives. Background: Technological advances are promoting more opportunities for sharing, collaboration, and dissemination, and academic clinicians are incorporating these advances for teaching, advocacy, and research. However, this work is variably accepted as scholarship at academic institutions. Objectives: The goal of this scoping review is to critically evaluate the literature to define Digital Scholarship (DS), evaluate the current state of promotion through DS in various institutions, provide recommendations for inclusion of digital scholarship by promotion and tenure committees, and develop guidance for best practices for DS to promote academic advancement for academicians in pediatrics.
Performance and Analysis of Tracer Studies to Determine Compliance with the Disinfection Requirements of the Surface Water Treatment Rule
Creators: name: Teefy, Susan M.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1989

description: The Surface Water Treatment Rule includes disinfection requirement which will apply to all water systems using surface water sources. One objective of this project was to conduct tracer studies at selected water treatment plants in order to determine the residence time distributions of various process units. The plants were evaluated to determine whether they will be able to comply with the disinfection requirements of the Surface Water Treatment Rule. CT's, the Concentration of disinfectant multiplied by the Time it is in contact with the water, were determined for each plant under different conditions. These were compared to CT values supplied by the Environmental Protection Agency for specific degrees of pathogen inactivation. A second objective was to develop a more precise method for estimating the CT. This theoretical construct, the "effective CT", made use of the residence time distributions and the kinetics of chlorine decay to more accurately predict the degree of pathogen inactivation as expressed by the chlorine concentration multiplied by the contact time. All three of plants studied will be able to meet the disinfection requirements of the Rule. As demonstrated by comparing the "effective CT's" to the CT's allowed by the Surface Water Treatment Rule, a substantial margin of safety is implied in the degree of inactivation allowed by the Rule. Problems were discovered with using fluoride as a tracer in the presence of aluminum hydroxide; sodium was demonstrated to be a more effective tracer.
Extended phase space thermodynamics and $P-V$ criticality: Brans-Dicke-Born-Infeld vs Einstein-Born-Infeld-dilaton black holes
Creators: name: Hendi, S. H.
name: Moradi, R.
name: Armanfard, Z.
name: Talezadeh, M. S.
Publisher: name: arXiv
Year: 2015
Subjects: subject: General Relativity and Quantum Cosmology (gr-qc)
subject: FOS: Physical sciences

description: Motivated by thermodynamic analogy of black holes and Van der Waals liquid/gas system, in this paper, we study $P-V$ criticality of both dilatonic Born-Infeld black holes and their conformal solutions, Brans-Dicke-Born-Infeld solutions. Due to the conformal constraint, we have to neglect the old Lagrangian of dilatonic Born-Infeld theory and its black hole solutions, and introduce a new one. We obtain spherically symmetric nonlinearly charged black hole solutions in both Einstein and Jordan frames and then, we calculate the related conserved and thermodynamic quantities. After that, we extend the phase space by considering the proportionality of the cosmological constant and thermodynamical pressure. We obtain critical values of thermodynamic coordinates through numerical methods and plot relevant $P-V$ and $G-T$ diagrams. Investigation of the mentioned diagrams helps us to study thermodynamical phase transition. We also analyze the effects of varying different parameters on the phase transition of black holes.
description: 18 pages, 11 captioned figures and 6 tables. New interesting sections are added, typos fixed, Accepted in EPJC
title: Le béton en milieux sulfatés
Creators: name: Swenson, E. G.
Publisher: name: Conseil national de recherches du Canada. Division des recherches en construction
Year: 1974
Subjects: subject: Concrete
valueUri: urn:ircsubjects:IRC0740
subject: Béton
valueUri: urn:ircsubjects:IRC0740
subject: salts
subject: sel (chimie)
subject: sulphate
subject: sulfate
subject: chemical attack
subject: aggressivité chimique
subject: concrete (materials)
subject: béton (matériau)
subject: Portland cement
subject: ciment Portland

description: La rapidité et la gravité des attaques par sulfates dépendent de la concentration de ces derniers sur les lieux, du type et du degré de liberté des ions sulfates, des facilités d'accès de l'eau, du type de ciment et de la qualité du béton. Les ciments résistant aux sulfates, les faibles rapports eauciment, les teneurs minimales en ciment, les entraîneurs d'air, les revêtements imperméables à l'eau, l'installation de dispositifs de drainage, et une attention spéciale apportée au recouvrement de l'armature, permettent, entre autres, de lutter contre l'action des sulfates.
title: Thoraco-lumbartraumatic vertebral fracturesaugmentation by osteo-conductive and osteo-inductive bone substitute containing Strontium-Hydroxyapatite(Sr-HA): our experience.
Creators: name: Calabria, Eros
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Musculoskeletal spine
subject: Trauma
subject: CT
subject: MR
subject: Fluoroscopy
subject: Vertebroplasty
subject: Outcomes

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Most of the vertebral fractures are located in the thoraco-lumbar region (T10-L3) presumably as a result of high energy injuries in a transition zone between the relatively rigid thoracic spine and the more flexible mobile lumbar spine. Spinal...
title: MR findings that mimic disease of knee cartilage in osteoarthritis patients: comparison between SPGR at 1.5T and FLASH at 3T
Creators: name: Takahashi, Masaaki
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Arthritides
subject: Imaging sequences
subject: MR
subject: Musculoskeletal joint

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Background Osteoarthritis is the most common type of arthritis and a frequent cause of pain and disability [1]. Measuring articular cartilage determines disease progression [2], and magnetic resonance imaging (MRI) offers the distinct advantage of...
Simulations of the Pairwise Kinematic Sunyaev-Zel'dovich Signal
Creators: name: Flender, Samuel
name: Bleem, Lindsey
name: Finkel, Hal
name: Habib, Salman
name: Heitmann, Katrin
name: Holder, Gilbert
Publisher: name: arXiv
Year: 2015
Subjects: subject: Cosmology and Nongalactic Astrophysics (astro-ph.CO)
subject: FOS: Physical sciences

description: The pairwise kinematic Sunyaev-Zel'dovich (kSZ) signal from galaxy clusters is a probe of their line-of-sight momenta, and thus a potentially valuable source of cosmological information. In addition to the momenta, the amplitude of the measured signal depends on the properties of the intra-cluster gas and observational limitations such as errors in determining cluster centers and redshifts. In this work we simulate the pairwise kSZ signal of clusters at z<1, using the output from a cosmological N-body simulation and including the properties of the intra-cluster gas via a model that can be varied in post-processing. We find that modifications to the gas profile due to star formation and feedback reduce the pairwise kSZ amplitude of clusters by ~50%, relative to the naive 'gas traces mass' assumption. We demonstrate that mis-centering can reduce the overall amplitude of the pairwise kSZ signal by up to 10%, while redshift errors can lead to an almost complete suppression of the signal at small separations. We confirm that a high-significance detection is expected from the combination of data from current-generation, high-resolution CMB experiments, such as the South Pole Telescope, and cluster samples from optical photometric surveys, such as the Dark Energy Survey. Furthermore, we forecast that future experiments such as Advanced ACTPol in conjunction with data from the Dark Energy Spectroscopic Instrument will yield detection significances of at least 20σ, and up to 57σ in an optimistic scenario. Our simulated maps are publicly available at: http://www.hep.anl.gov/cosmology/ksz.html
description: Journal version
title: Peripheral bone echinococcosis : A report of 7 cases
Creators: name: Derbel, Haytham
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Musculoskeletal bone
subject: CT
subject: MR
subject: Localisation
subject: Pathology

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Bone hydatid disease is a particular location of echinococcosis due to blood dissemination. The objective of this work is to elucidate the different aspects in standard radiology, CT scan and magnetic resonance...
The Characterization of Linear Alkylbenzene Sulfonate Biodegradation Products by Estuarine Microbial Communities
Creators: name: Jiang, Ou
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1993

description: A common observation in studies of linear alkylbenzene-sulfonates (LAS) biodegradation is plateau. This research was performed to examine the nature of the LAS biodegradation plateau phenomenon. Plateau of linear C12-Alkylbenzosulfonates (C12-LAS) biodegradation in Calico Creek water samples was repeated as in previous studies. The residue of degradation samples was characterized by GC/MS. Significant amounts of undegraded C12-LAS isomers were detected in these samples. Isomers with the benzene ring attached to the central carbons of the alkyl chain were found to be more resistant to biodegradation than those with the attachment to the carbons near the end of the alkyl chain. The undegraded C12-LAS isomers contributed in large part to the plateau phenomenon.
Hexachlorobenzene (HCB), T-nonachlor (chlordane) and breast cancer risk among African-American and white women in North Carolina
Creators: name: Player, Jon Stephen
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2004

description: Organochlorine pesticides persist in the environment and bioaccumulate in adipose tissues. Because of their suspected estrogenic action, organochlorines may increase breast cancer risk, specifically in postmenopausal women with low endogenous estrogen levels. We examined plasma hexachlorobenzene (HCB) and trans-nonachlor (chloradane) levels in relation to breast cancer risk in a population-based, case control study of African American women (292 cases, 270 controls) and white women (456 cases, 389 controls) in North Carolina. Mean and median levels of HCB and trans-nonachlor were similar in African American and white women. We did not observe case-control differences in plasma levels of these compounds in premenopausal women. However, among postmenopausal African American and white women, the mean level of lipid-adjusted HCB was 0.02μg/g(SD 0.05) in cases and 0.01μg/g(SD 0.01)in controls (P=0.03). There was no difference in mean levels of trans-nonachlor in postmenopausal cases (0.08μg/g, SD 0.08) versus controls (0.08μg/g, SD 0.08)(P=0.32). In postmenopausal women, the adjusted odds ratio for breast cancer comparing the highest to lowest third of HCB was 1.6 (95% Confidence Interval 1.1-2.5)(Trendtest P=0.02). The corresponding odds ration for Trans-nonachlor in postmenopausal women was 1.2(95% CI 0.8-1.9)(Trendtest P=0.36). No differences in natural age at menopause was found for HCB and trans-nonachlor between cases and controls. No significant increases in cancer risk were found in relation to HCB and trans-nonachlor exposure and estrogen receptor status in cases. Our research demonstrates a relationship between hexachlorobenzene exposure and breast cancer in postmenopausal women, but does not provide evidence for this association in pre-menopausal women.
Topological photonic crystal with equifrequency Weyl points
Creators: name: Wang, Luyang
name: Jian, Shao-Kai
name: Yao, Hong
Publisher: name: arXiv
Year: 2015
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: Materials Science (cond-mat.mtrl-sci)
subject: Optics (physics.optics)
subject: FOS: Physical sciences

description: Weyl points in three-dimensional photonic crystals behave as monopoles of Berry flux in momentum space. Here, based on general symmetry analysis, we show that a minimal number of four symmetry-related (consequently equifrequency) Weyl points can be realized in time-reversal invariant photonic crystals. We further propose an experimentally-feasible way to modify double-gyroid photonic crystals to realize four equifrequency Weyl points, which is explicitly confirmed by our first-principle photonic band-structure calculations. Remarkably, photonic crystals with equifrequency Weyl points are qualitatively advantageous in applications including angular selectivity, frequency selectivity, invisibility cloaking, and three dimensional imaging.
description: 5 pages + Supplemental Material, 4 figures
Identification of stellar populations through latent space projection
Creators: name: Neitzel, Andreas W.
name: Campante, Tiago L.
name: Bossini, Diego
name: Miglio, Andrea
Publisher: name: Zenodo
Year: 2024

description: Stellar populations distinguish themselves from one another via differences in chemical, kinematic and chronological properties, suggesting an interplay of different physical mechanisms that led to their origin and subsequent evolution. As such, the identification of stellar populations is key for gaining insight into the evolutionary history of the Milky Way galaxy. This task is made complicated by the fact that stellar populations share significant overlap in their chrono-chemo-kinematic properties, which hinders the ability to both identify and define stellar populations. To tackle this problem, we explore use cases of manifold learning, a type of unsupervised machine learning application which seeks to intelligently identify and disentangle manifolds hidden in the input data. To test the method, we make use of Gaia DR3-like synthetic stellar samples generated from the FIRE-2 cosmological simulation. We show that manifold learning possesses promising abilities to differentiate stellar populations, even when considering realistic observational constraints.
title: Intratendinous Ganglion Cyst: Depiction on MR images
Creators: name: Prost, Roberto
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Trauma
subject: Education and training
subject: Cysts
subject: Education
subject: MR
subject: Musculoskeletal joint
subject: Musculoskeletal soft tissue
subject: Musculoskeletal system

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: Intratendinous Ganglion Cysts (IGC) are rare intrasubstance lesions confined by the tendon's margins, sheath or paratenon. A ganglion cyst is a common tumour-like lesion arising from various soft tissues that is generated by mucoid degeneration of...
Volatilization of Mineral Oil Mist Collected on Sampling Filters
Creators: name: McAneny, John J.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1994

description: Exposure to mineral oil mist has been associated with the development of asthma, dermatitis, lipid pneumonia, and cancers of the digestive tract. The NIOSH analytical method for sampling mineral oil mists specifies oil mist collection on filters. In this study, mineral oil mist collection on glass fiber and polyvinyl chloride filters was examined to determine if significant quantities of mineral oil volatilize from filters after collection. Evaporative loss from an electrostatic precipitator was also examined. Filters were placed in an oil mist loading chamber and rapidly loaded with oil mist. The filters were removed from the chamber and weighed to determine the mass of oil loaded on the filter. After clean air was drawn through the filters for four hours, the filters were reweighed to determine the mass of oil lost to evaporation. A similar procedure was followed for the electrostatic precipitator. Fresh mineral oil on glass fiber and polyvinyl chloride filters lost approximately 35% of its original mass; used mineral oil lost approximately 12%. Evaporative losses from the electrostatic precipitator were significantly less. These findings suggest mineral oil volatilizes from polyvinyl chloride and glass fiber filters in significant quantities during the collection of an 8-hour personal sample, which would result in significant underestimation of worker exposure to oil mist. keywords: mineral oil; oil mist; PVC filters; glass fiber filters; volatilization; evaporation
Wilson Lines and Holographic Entanglement Entropy in Galilean Conformal Field Theories
Creators: name: Basu, Rudranil
name: Riegler, Max
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: In this paper we will present in more detail a construction using Wilson lines and the corresponding dual Galilean conformal field theory calculations for analytically determining holographic entanglement entropy for flat space in $2+1$ dimensions first presented in hep-th/1410.4089. In addition we will show how the construction using Wilson lines can be expanded to flat space higher-spin theories and determine the thermal entropy of (spin-3 charged) flat space cosmologies using this approach.
description: 15 Pages and two Figures; v2&v3 corrected minor typos
Additional file 6 of Genes to specialized metabolites: accumulation of scopoletin, umbelliferone and their glycosides in natural populations of Arabidopsis thaliana
Creators: name: Ihnatowicz, Anna
name: Siwinska, Joanna
name: Perkowska, Izabela
name: Grosjean, Jeremy
name: Hehn, Alain
name: Bourgaud, Frederic
name: Lojkowska, Ewa
name: Olry, Alexandre
Publisher: name: figshare
Year: 2024
Subjects: subject: Genetics
subject: FOS: Biological sciences
subject: Plant Biology

description: Additional file 6_Figure S3. Nucleotide sequence variants shown as a Multiple sequence alignment (MSA)
Assessment of DNA Copy Number Alterations in Mouse and Human Hepatocellular Carcinoma
Creators: name: Chappell, Grace
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2014

description: Hepatocellular carcinoma (HCC) is a prevalent human cancer with rising incidence worldwide. Human HCC is typically associated with chronic liver inflammation and cirrhosis, which is typically the consequence of toxic insults, disturbances in metabolism, or viral infection. To better understand the pathogenesis of liver cancer, we studied molecular mechanisms in the development of HCC using a human-relevant mouse model of fibrosis-associated hepatocarcinogenesis. Because the increased incidence of liver tumors in this model was associated with epigenetic events indicative of genomic instability in a previous study, DNA copy number alterations (CNAs), a prominent feature of genomic instability and a common characteristic of cancer in both humans and model organisms, were evaluated using array comparative genomic hybridization and computational tools. A considerably higher frequency of CNAs was found in the tumors than in the matched fibrotic liver tissues, indicative of a profound increase in genomic instability with HCC progression. Analysis was then conducted on publicly available data from human HCC patients, comparing human tumor and non-tumor cirrhotic tissue, as well as the profiles of human and mouse tumors. The results indicate that structural aberrations are profoundly increased in neoplastic tissues as compared to pre-neoplastic, damaged tissue in both species, supporting the utility of this particular mouse model and generating a list of inter-species relevant genes with aberrant copy number.
A Beta-splitting model for evolutionary trees
Creators: name: Sainudiin, Raazesh
name: Veber, Amandine
Publisher: name: arXiv
Year: 2015
Subjects: subject: Probability (math.PR)
subject: Populations and Evolution (q-bio.PE)
subject: FOS: Mathematics
subject: FOS: Biological sciences

description: In this article, we construct a generalization of the Blum-François Beta-splitting model for evolutionary trees, which was itself inspired by Aldous' Beta-splitting model on cladograms. The novelty of our approach allows for asymmetric shares of diversification rates (or diversification `potential') between two sister species in an evolutionarily interpretable manner, as well as the addition of extinction to the model in a natural way. We describe the incremental evolutionary construction of a tree with n leaves by splitting or freezing extant lineages through the Generating, Organizing and Deleting processes. We then give the probability of any (binary rooted) tree under this model with no extinction, at several resolutions: ranked planar trees giving asymmetric roles to the first and second offspring species of a given species and keeping track of the order of the speciation events occurring during the creation of the tree, unranked planar trees, ranked non-planar trees and finally (unranked non-planar) trees. We also describe a continuous-time equivalent of the Generating, Organizing and Deleting processes where tree topology and branch-lengths are jointly modeled and provide code in SageMath/python for these algorithms.
description: 23 pages, 3 figures, 1 table
title: Symptomatic accessory ossicle or normal variant
Creators: name: Kang, HyunJung
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Musculoskeletal bone
subject: CT
subject: MR
subject: Ultrasound
subject: Diagnostic procedure
subject: Inflammation
subject: Oedema

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: We intended to describe the cases presenting symptoms associated with accessory ossicle or normal variant. We are going to deal with accessory bones including accessory ossicle, sesamoid, and secondary ossification center. Also Osseous variants...
A Study of Worker Exposure from a Hand-Held Contaminant Source in a Simulated Spray Booth Operation
Creators: name: Lackey, Bradley D.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1993

description: Tracer gas concentrations generated from a hand-held source are measured in the breathing zone of a mannequin, and for an elliptical cylinder positioned in a wind tunnel. Effects on breathing zone concentration due to worker position relative to the direction of airflow and a workpiece are examined. Flow visualization by the smoke wire technique is performed. Worker position was found to be statistically significant in breathing zone concentration. Positioning the worker with the air flow from the side results in a drop of roughly two to three orders of magnitude compared to positioning the worker with the airflow from the back. Interaction was noted between worker position and airflow rate. Tracer gas concentrations were lower in the breathing zone of the mannequin than for the cylinder. The placement of an object downstream of the worker when airflow is from the back resulted in a roughly two-fold increase in breathing zone tracer gas concentration when compared to predicted values with a worker only. Positioning a worker sideways to the airflow appears to result in a substantial decrease in contaminant exposure. Applications and limitations of the results are discussed.
title: Évacuation des eaux pluviales des couvertures
Creators: name: Baker, M. C.
Publisher: name: Conseil national de recherches du Canada. Division des recherches en construction
Year: 1974
Subjects: subject: Moisture performance
valueUri: urn:ircsubjects:IRC0374
subject: Performance hygrométrique
valueUri: urn:ircsubjects:IRC0374
subject: roofing
subject: couvertures
subject: roofs
subject: toiture
subject: drainage
subject: roofing products
subject: produit de couverture
subject: water barriers
subject: barrière d'étanchéite

description: L'auteur étudie les toits à pente forte et à pente faible, les toits inondés et les toits-terrasses. On ne peut pas normalement construire un toit parfaitement plat; les fléchissements de la charpente entraînent inévitablement des pentes. Il est préférable de prévoir des pentes en vue de l'évacuation de l'eau. L'inclinaison minimale pour les parties principales du toit serait d'environ un quart de pouce à choque pied, mais une pente plus grande est préférable. Lorsque le mode de drainage est du genre tôle pliée, il importe de placer des dossiers à la jonction des surfaces plus grandes afin de détourner les eaux vers les drains. Lorsqu'un toit exige un drainage réglé ou un refroidissement par évaporation, une couverture inclinée présente moins de risques qu'un toit-terrasse. Dans les toits à membrane protégée, la membrane principale sur le plancher sous l'isolant et les matériaux d'aménagement devrait être à un angle, continue et scellée à la jonction de toutes les pénétrations.
title: Multi-center radiation dose survey with data feedback is a useful tool for the dose optimization of CT examinations
Creators: name: Fukushima, Yasuhiro
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: CT
subject: Management
subject: Radioprotection / Radiation dose
subject: Radiation safety
subject: Dosimetric comparison

description: Aims and objectives Methods and materials Results Conclusion Personal information References
description: Aims and objectives: Use of diagnostic reference level (DRL) is a method for evaluating whether the patient dose is unusually high or low for a particular medical imaging procedure [1]. Since 2008, we have been conducting prefecture-wide “Gunma radiation dose study...
title: Radiation et autres facteurs climatiques
Creators: name: Ashton, H. E.
Publisher: name: Conseil national de recherches du Canada. Division des recherches en construction
Year: 1974
Subjects: subject: solar radiation
subject: rayonnement solaire
subject: weathering
subject: action des intempéries
subject: organic materials
subject: matériau organique
subject: polymeric materials
subject: matériau polymérique

description: Ce Digest a étudié l'action de la radiation sur les matériaux organiques de construction lorsqu'elle est combinée avec celle d'autres éléments atmosphériques. La sévérité des dommages grandissant avec les attaques conjuguées, il importe de prendre des mesures préventives destinées à réduire la dégradation à un niveau acceptable. On peut produire des polymères que les UV n'affectent pas, ou incorporer des composés qui absorbent ou réfléchissent les UV. Il appartient naturellement aux producteurs de matériaux d'appliquer ces méthodes; il est cependant important que les concepteurs de bâtiments n'ignorent ni les faits qui précèdent, ni les limitations qu'ils imposent au comportement des matériaux.
An Examination of the Ability of Industrial Hygienists to Distingush Differences in Worker Exposures
Creators: name: Cato, Sonya R.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1995

description: A research study was performed to assess the ability of professional industrial hygienists to distinguish differences in worker exposures. The criterion used to achieve this objective was the ability to accurately rank the exposures of monitored workers from lowest to highest prior to sampling. An exposure estimation survey was conducted for four months to collect estimated and actual exposure rankings. Analysis of fifty-one estimates received from industrial hygienists from the NC OSHA bureaus of compliance and consultative services and the DEHNR industrial hygiene consultant program suggest that hygienists are able to recognize differences in exposure reasonably well. The median correlation between the estimated and actual rankings was 0.643. Forty-nine percent of the correlation coefficients were between 0.80 and 1.00. A secondary objective of the research study was to evaluate factors that may affect estimation ability. Although there were not enough data to determine statistically which factors influenced estimation ability, several factors appear to be important: the magnitude of the difference in measured concentrations, hygienist's certification status, hygienist's overall experience, and assessment complexity. There were not enough data to determine the influence of hazard type or industry on estimation ability.
Assessment of Nitrification Potential and Occurrence in Chloraminating Drinking Water Systems in North Carolina
Creators: name: Rinehold, Angella C.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2006

description: Many drinking water utilities are converting from free chlorine to chloramines for secondary disinfection, due in large part to recent promulgation of more stringent regulations governing the allowable concentrations of disinfection byproducts. Although chloramines offer many advantages over free chlorine, chloramine use introduces the potential for nitrification, which can adversely impact water quality in a number of ways. The objective of this study was to assess nitrification potential and occurrence in five chloraminating water systems in North Carolina. To perform the assessment, historical data were collected from each utility for a period of up to four years. Treatment plant and distribution system data were analyzed for changes in water quality indicative of nitrification. The chlorine-to-ammonia ratios used to form monochloramine were calculated, and the impact of these ratios on the concentration of free ammonia at the point of entry to the distribution system was examined. Nitrification was evidenced at one of the distribution system sites analyzed. Although the results suggest that each distribution system had sites vulnerable to nitrification, the data necessary to identify nitrification occurrence were not routinely collected by the utilities. The chlorine-to-ammonia ratios were found to vary considerably within and between utilities. The data generally supported the theoretical relationship between increasing chlorine-to-ammonia ratios and decreasing concentrations of free ammonia at the point of entry, suggesting that nitrification potential can be reduced by optimizing the ratio of chlorine to ammonia applied at the point of monochloramine formation.
Nernst branes with Lifshitz asymptotics in N=2 gauged supergravity
Creators: name: Cardoso, G. L.
name: Haack, M.
name: Nampuri, S.
Publisher: name: arXiv
Year: 2015
Subjects: subject: High Energy Physics - Theory (hep-th)
subject: FOS: Physical sciences

description: We discuss two classes of non-supersymmetric interpolating solutions in N=2, D=4 gauged supergravity, that flow from either a z=2 Lifshitz geometry or a conformal AdS background to the near-horizon geometry of a Nernst brane. We obtain these solutions by constructing a z=2 supersymmetric Lifshitz solution in the STU model from a first-order rewriting of the action, then lifting it up to a five-dimensional background and subsequently modifying this five-dimensional solution by a two-parameter family of deformations. Under reduction, these give four-dimensional non-supersymmetric Nernst brane solutions. This is a step towards resolving the Lifshitz tidal force singularity in the context of N=2 gauged supergravity and suggests an approach to encoding the Nernst brane in terms of the Schroedinger symmetry group of the holographically dual field theory.
description: v2: 32 pages, improved presentation, added references, matches published version
title: Optimizing the MRI protocol to overcome Artifacts from metallic Orthopedic implants and hardware
Creators: name: Malik, Ghazala
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: MR physics
subject: Musculoskeletal system
subject: MR
subject: Image manipulation / Reconstruction
subject: Diagnostic procedure
subject: Equipment
subject: Outcomes
subject: Artifacts

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: Learning Objectives Artifacts from metal hardware's are inevitable truth particularly in a powerful MR imaging and are an obstacle to obtaining optimal images. The main objectives of this description are : To get knowledge of the factors that...
title: Construction de maçonnerie par temps froid
Creators: name: Davison, J. I.
Publisher: name: Conseil national de recherches du Canada. Division des recherches en construction
Year: 1974
Subjects: subject: Masonry
valueUri: urn:ircsubjects:IRC0780
subject: Maçonnerie
valueUri: urn:ircsubjects:IRC0780
subject: masonry construction
subject: construction de maçonnerie
subject: winter
subject: hiver
subject: temporary heating
subject: chauffage temporaire
subject: efflorescence
subject: mortar
subject: mortier

description: Une maçonnerie d'excellente qualité peut être réalisée en utilisant des procédés traditionnels de construction en hiver, mais qui ne rencontrent pas les exigences du Code national du bâtiment du Canada. Les explications sont basées sur la nature des matériaux et quelques-uns des paramètres critiques sont étudiés.
title: Simple diagnostic approach for a benign bone tumor
Creators: name: Derbel, Haytham
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Musculoskeletal bone
subject: CT
subject: Localisation
subject: Tissue characterisation

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: - Benign bone tumors are benign neoplasms developing in the bone and are often favorable. The radiological feedback must include a concise description of the topography of the lesion, its extension and arguments in favor of their quiescent character...
HOGG1 SER326CYS Polymorphism, Cigarette Smoking, Polychlorinated Biphenyl (PCB) Exposure, and Risk of Breast Cancer
Creators: name: Worley, Kendra A.
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 2003

description: Human 8-oxoguanine glycosylase (hOGG1) repairs 8-oxo-guanine residues in DNA that cause G:C to T:A transversion mutations. We examined the association between a single nucleotide polymorphism (SNP) at codon 326 of the hOGG1 gene and the risk of breast cancer in a population based case-control study of African American and non-African American, mostly Caucasian, women in North Carolina. We also evaluated the roles of cigarette smoking and polychlorinated biphenyl (PCB) exposure in conjunction with hOGG1 326 genotype. 2025 cases (761 African Americans, 1264 non-African Americans) and 1813 controls (678, 1135 respectively) were genotyped. Smoking more than 20 years combined with at least one copy of the Cys allele resulted in increased breast cancer risk (Odds Ratio (OR), 1.7; 95% Confidence Interval (CI), 1.2-2.4). A dose response relationship was observed for years of active smoking (P trend=0.01). Former smokers with any Cys genotype had a slightly increased risk of breast cancer over never smokers (OR, 1.4; 95% CI 1.0-1.9). No strong joint effects were observed for PCB exposure and hOGG1 326 genotype. Our results indicate a possible relationship between smoking exposure and hOGG1 326 genotype and risk of breast cancer.
Analysis of the Z Distribution of Young Objects in the Galactic Thin Disk
Creators: name: Bobylev, V. V.
name: Bajkova, A. T.
Publisher: name: arXiv
Year: 2015
Subjects: subject: Astrophysics of Galaxies (astro-ph.GA)
subject: FOS: Physical sciences

description: We have obtained new estimates of the Sun's distance from the symmetry plane Zo and the vertical disk scale height h using currently available data on stellar OB associations, Wolf-Rayet stars, HII regions, and Cepheids. Based on individual determinations, we have calculated the mean Zo=-16+/-2 pc. Based on the model of a self-gravitating isothermal disk for the density distribution, we have found the following vertical disk scale heights: h = 40.2+/-2.1 pc from OB associations, h = 47.8+/-3.9 pc from Wolf-Rayet stars, h=48.4+/-2.5 pc from HII regions, and h = 66.2+/-1.6 pc from Cepheids. We have estimated the surface, \sum=6 kpc^{-2}, and volume, D(Zo) = 50.6 kpc^{-3}, densities from a sample of OB associations. We have found that there could be approximately 5000 OB associations in the Galaxy.
description: 13 pages, 2 figures, 2 tables
Using Willingness to Pay Study Results for Planning Urban Sewerage Systems: A Case Study in Calamba, Philippines
Creators: name: Mojonnier, Carolyn
Publisher: name: The University of North Carolina at Chapel Hill University Libraries
Year: 1996

description: A model was developed to determine how to serve an urban area with sewers using willingness to pay information. The model was applied to the case of Calamba, Philippines, for which willingness to pay data were available. A sensitivity analysis varied user fees and subsidies to assess their effects on deciding the parts of the city that should use the urban sewerage system. More realistic applications of the model were presented, where watershed boundaries and more realistic cost functions were considered. The optimization model provided a basis for using the results of willingness to pay studies for planning piped sewerage systems. In Calamba, it was necessary to convert willingness to pay data obtained for census tracts to a watershed basis. It was necessary to include street sewer costs, marginal trunk sewer costs, and marginal treatment plant costs to obtain realistic results, but, by the same token, marginal operation and maintenance costs, which were ignored, should also be included. In Calamba, it also became desirable to limit candidate zones for piped sewerage to sub-areas of the city.
title: Dynamic High resolution Sonography (d-HRUS) of lower limb muscles: a detailed didactic approach
Creators: name: Perugin Bernardi, Silvia
Publisher: name: European Congress of Radiology
Year: 2014
Subjects: subject: Musculoskeletal system
subject: Ultrasound
subject: Education
subject: Athletic injuries
subject: Education and training

description: Learning objectives Background Findings and procedure details Conclusion Personal information References
description: Learning objectives: The purpose of our educational exhibit is to: 1. illustrate the normal anatomy and normal d-HRUS appearance of thigh and leg muscles; 2. describe a systematic technique for d-HRUS evaluation of such structures; 3. produce anatomical schemes with...
Personality Recognition Among Multiple Astro*Intelligence Outputs
Creators: name: Blohowiak, Benjamin
Publisher: name: Open Science Framework
Year: 2022
Subjects: subject: Alois Treindl
subject: Astro*Intelligence
subject: astrology
subject: character astrology
subject: charater
subject: data pool
subject: distributed lab
subject: distributed labs
subject: Liz Greene
subject: methodology
subject: natal
subject: natal astrology
subject: personality
subject: personality psychology
subject: reproducibility
subject: reproducible
subject: resource pool

description: The Astro*Intelligence computer program created by Liz Greene and Alois Treindl reliably generates outputs promoted as "Analysis of the Personality, based on Astrology and Psychology" using only the subject's gender and his or her time, date, and location of birth as customizing inputs. If given more than one such output from the program with potentially identifying information redacted (such as dates or names of astrological signs), what is the likelihood that a given subject will identify a profile generated from the spatiotemporal coordinates of his or her birth as his or her own?