bluuebunny/crossref_metadata_2025_split huggingface dataset:
The story of Vizcult: How a grassroots idea influenced the field of art education
Authors: Hicks Laurie E. , Freedman Kerry 
Published: November 2016

Abstract
This article is an autobiographical account of Vizcult, a gathering of art education scholars interested in concepts and the possibilities of visual culture as a foundation for learning in art. In 2001, the authors, who were also the co-organizers of Vizcult, started the group as a gathering of scholars interested in a broad and inclusive understanding of the designed images and forms humans have and continue to create in relationship to everyday lived experiences. At annual meetings for more than a decade, the group explored diverse and evolving concerns associated with visual culture. This article provides insight into the intentions, struggles and contributions of the group.
La Escuela Superior de Música de Concepción o la romántica historia de un anhelo provincial
Authors: Masquiarán Díaz Nicolás F. 
Published: November 2016

El presente ensayo revisa el proceso que llevó a la fundación de la Escuela Superior de Mú- sica de la Universidad de Concepción, Chile, el primer espacio académico destinado a la profesionalización de músicos fuera de la ca- pital nacional. Recogiendo elementos teóricos de la historia cultural y la microhistoria, y con base en la noción de la historia como intriga, se propone una revisión de diferentes líneas de acontecimientos que van articulando un escenario propicio para la fundación de esta escuela. En un relato polifónico que recoge la historiografía local, la crónica periodística y los testimonios orales, se va revelando un tejido en que se entrelazan los anhelos y frustracio- nes de una comunidad en su dificultosa rela- ción con la capital, la tensión entre la depen- dencia y la autonomía, la construcción de una identidad ciudadana, la institucionalización de la cultura y las necesidades que esta plantea en cuanto a disponer de instancias para el cul- tivo y la divulgación del arte –y la música en particular– como herramienta para la valida- ción de un imaginario de ciudad cultural.
La estética de la música en la era postinmunológica
Authors: Civilotti Diego 
Published: November 2016

Ética, Estética y Filosofía de la Historia pro-porcionan, desde hace décadas, los cimien-tos para una teoría que aborde la dimensión social y política de la música en las socieda-des occidentales contemporáneas. Una de las más influyentes obras hasta hoy, ha sido sin duda, la de Theodor Adorno (1903-1969). Sin embargo, a la luz de las recientes tesis de Byung-Chul Han (1959) acerca de un cambio de paradigma, consideramos necesaria una reformulación de la estética negativa de Ador-no en el ámbito de la música, que al mismo tiempo que garantice la autonomía de la mú-sica, no suprima su dimensión ética ni su en-caje histórico y social. El compositor y teórico español Josep Soler (1935), en cuya estética musical ha tenido gran influencia la Segunda Escuela de Viena así como las tesis de Ador-no, ofrece una propuesta en este sentido, in-tegrando la historia de la música con la histo-ria del pensamiento científico. La música no sólo ocupa un lugar central en su teoría del co-nocimiento, sino que a través de esto, adquie-re legitimidad ética en el contexto de la crisis contemporánea.
Carbon laminates with RE doped optical fibre
sensors
Authors: Miluski Piotr , Kochanowicz Marcin , Żmojda Jacek , Silva AbíLio P. , Reis Paulo N. B. , Dorosz Dominik 
Published: November 2016

Abstract
A new type of luminescent optical fibre sensor
for structural health monitoring of composite laminates
(CFRP) is proposed. The Nd3+ doped multi-core doubleclad
fibre incorporated in composite structure was used as
a distributed temperature sensor. The change of luminescence
intensity (Nd3+ ions) at the wavelength of 880 nm
(4F3/2 → 4I9/2) and 1060 nm (4F3/2 → 4I11/2) was used for
internal temperature monitoring. The special construction
of optical fibre was used as it assures an efficient pumping
mechanism and, at same time, it increases the measuring
sensitivity. The linear response with relative sensitivity
0.015 K−1 was obtained for temperature range from 30 up
to 75ºC. The manufacturing process of CFRP with embedded
optical fibre sensor is also discussed.
An approach to orthomodular lattices via lattices with an antitone involution
Authors: Chajda Ivan , Radeleczki Sándor 
Published: November 2016

Abstract
Several characterizations of orthomodular lattices based on properties of an antitone involution or on sectional antitone involutions are given. Another approach is based on properties of the implication operation which can be derived in every orthomodular lattice but can be also added to basic operations of a bounded lattice. Finally, we introduce the so-called weakly orthomodular lattice as a generalization of orthomodular lattices.
The generalized order-k Narayana's cows numbers
Authors: Bilgici Göksal 
Published: November 2016

Abstract
Narayana’s cows problem is a problem similar to the Fibonacci’s rabbit problem. We define the numbers which are the solutions of this problem as Narayana’s cows numbers. Narayana’s cows sequence satisfies the third order recurrence relation N

r
= N

r−1+N

r−3 with initial condition N
0 = N
1 = N
2 = 1. In this paper, we define a new recurrence which is called generalized order-k Narayana’s cows sequence and by using this generalization and some matrix properties, we give some identities related to the Narayana’s cows numbers.
Homoclinic solutions for second order Hamiltonian systems with general potentials
Authors: Zhang Ziheng , You Honglian , Yuan Rong 
Published: November 2016

AbstractIn this paper we are concerned with the existence of infinitely many homoclinic solutions for the following second order non-autonomous Hamiltonian systemsu¨t−Ltut+∇Wt,ut=0$$ \ddot u\left( t \right) - L\left( t \right)u\left( t \right) + \nabla W\left( {t,u\left( t \right)} \right) = 0$$(HS)wheret∈ ℝ,L∈C(ℝ, ℝn2) is a symmetric and positive definite matrix for allt∈ ℝ,W∈C1(ℝ × ℝn, ℝ) and ∇W(t,u) is the gradient ofWatu. The novelty of this paper is that, assuming thatLmeets some coercive condition and the potentialWis of the formW(t,u) =W1(t,u) +W2(t,u), for the first time we show that (HS) possesses two different sequences of infinitely many homoclinic solutions via the Fountain theorem and the dual Fountain theorem such that the corresponding energy functional of (HS) goes to infinity and zero, respectively. Some recent results in the literature are generalized and significantly improved.
Spectral problems of nonself-adjoint singular discrete Sturm-Liouville operators
Authors: Allahverdiev Bilender P. 
Published: November 2016

Abstract
In this study we construct a space of boundary values of the minimal symmetric discrete Sturm-Liouville (or second-order difference) operators with defect index (1, 1) (in limit-circle case at ±∞ and limit-point case at ∓∞), acting in the Hilbert space

ℓ

ϱ

2

(

Z

)

ℓ

ϱ

2

(

Z

)

(

Z

:=
{
0
,
±
1
,
±
2
,
…
}
)

$\ell_{\varrho}^{2}(\mathbb{Z}) (\mathbb{Z} :=\{0,\pm 1,\pm 2,\dots\})$

. Such a description of all maximal dissipative, maximal accumulative and self-adjoint extensions is given in terms of boundary conditions at ± ∞. After constructing the space of the boundary values, we investigate two classes of maximal dissipative operators. This investigation is done with the help of the boundary conditions, called “dissipative at −∞” and “dissipative at ∞”. In each of these cases we construct a self-adjoint dilation of maximal dissipative operator and its incoming and outgoing spectral representations. These representations allow us to determine the scattering matrix of dilation. We also construct a functional model of the maximal dissipative operator and define its characteristic function in terms of the Weyl-Titchmarsh function of the self-adjoint operator. Finally, we prove a theorem on completeness of the system of eigenvectors and associated vectors (or root vectors) of the maximal dissipative operators.
Soluble polymer supports for homogeneous catalysis in flow reactions
Authors: Liang Yannan , Watson Christopher , Malinski Thomas , Tepera Justin , Bergbreiter David E. 
Published: November 2016

Abstract
The use of polyisobutylene and poly(4-dodecylstyrene) bound catalysts that contain transition metal or organocatalysts for cyclopropanation, ring-closing metathesis, and nucleophilic catalysis in flow chemistry schemes is described and compared with similar catalysts used in batch reactions. These Rh(II) carboxylate catalysts, N-heterocyclic carbene-ligated Ru(II) benzylidene catalysts, and analogs of 4-dimethylaminopyridine catalysts were used in reactions in heptane in flow and then separated in a gravity based liquid/liquid separation using a biphasic heptane/acetonitrile mixture. The less dense catalyst-containing phase in that separation was continuously used in flow with fresh substrate solution. Leaching of catalysts, yields, and turnover frequencies in these flow reactions were comparable with prior results obtained with the same phase isolable catalysts in batch reactions.
Mechanical performances of hygrothermally conditioned CNT/epoxy composites using seawater
Authors: Bal Smrutisikha , Saha Sunirmal 
Published: November 2016

Abstract
Hygrothermic aging of epoxy and carbon nanotube (CNT)/epoxy composites (0.5, 0.75, and 1 wt.%) was studied for their application suitability in seawater environments. The specimens were emerged in seawater and kept at constant temperature of 30°C for a maximum duration of 180 days. The specimens were periodically weighed for water absorption study and tested for mechanical as well as thermal properties. All aged samples were showing some amount of degradation owing to their moisture-absorption rates. CNT composites absorbed less moisture than pure epoxy because of the presence of nanofillers. C0.75 was found to be hygrothermally more stable reflecting minimum reduction in flexural properties and glass transition temperature value, which was due to least moisture/water absorption. Deterioration of properties was significant in C1, though it was better than pure epoxy. Fractographic analysis by scanning electron microscopy (SEM) revealed interfacial debonding as the dominant failure mechanism, resulting in pull out of nanotubes.
Novel preparation method and the characterization of polyurethane-acrylate/ nano-SiO2emulsions
Authors: Guangmei Chen , Lixia Wu , Jiahao Xu , Gewen Xu , Yiping Huang 
Published: November 2016

AbstractPolyurethane-acrylate/SiO2composite (SPUA) emulsions were synthesized byin situpolymerization accompanying the sol-gel process, in which the hydrolysis reaction and polymerization of monomers could be accomplished at the same time. The particle morphology of the SPUA emulsions was observed by scanning electron microscopy and transmission electron microscopy. The particle diameter was measured on a laser particle size analyzer. The molecular structure of the copolymers was characterized by Fourier transform infrared spectrometer (FTIR). Furthermore, tensile testing machine, Shore durometer, and thermogravimetric analyzer were used to investigate the mechanical properties, hardness, and thermal properties. The results indicated that, by increasing the mass fraction of tetraethyl orthosilicate (TEOS), the mechanical properties of the films were improved remarkably. When the weight % of TEOS was 8% in the SPUA emulsion, the water absorption of obtained film was 2.1%, the tensile strength was 16.8 MPa, the shore hardness was 94, and the temperature for the maximal thermal mass-loss rate was 416°C.
Twelve unidentified skeletons as remains of an epidemic or famine in Northern Finland
Authors: Huumonen Sisko , Särkioja Terttu , Salo Sinikka , Niskanen Markku , Maijanen Heli , Hirvonen Jorma 
Published: November 2016

Abstract
Skeletal remains of 12 individuals were found in a grave in a tar-burning pit. There were no coffins or other belongings to help with identification or reveal the cause of death.
Methods: Forensic osteological and odontological methods were used to establish sex, age and height. Histological and chemical tests, including the determination of C-14 content, were applied to dating the skeletal remains.
Results: Out of 12 skeletons, 8 were adults; 5 females, 2 males and 1 probable female. Four skeletons belonged to children (ages 1-12 years). The bones had been in the grave for more than 100 years as concluded from the deterioration of the distal parts, embrittling of the surface to 1 mm depth. C-14 results gave the radiocarbon years 95 +/− 65 Bp (before present, i.e., 1950). The calibrated years correspond to two time periods, 1670–1780 AD and 1798–1944 AD, as a possible period of death.
Conclusions: Starvation and illnesses are the most plausible explanations for the deaths. Historical studies show that during the 17th and 19th centuries, there were famines in Finland accompanied by severe infections (severe famines in the years 1866–1868 and 1696–1697), forcing a lot of people to leave their homes.
Multifrequency Multiresonance EPR Investigation of Halogen-bonded Complexes Involving Neutral Nitroxide Radicals
Authors: Lohmiller Thomas , Vibhute Mahesh A. , Lubitz Wolfgang , Savitsky Anton 
Published: November 2016

Abstract
Halogen-bonded complexes with neutral nitroxide radicals as the Lewis base have been investigated in liquid and frozen solutions by multifrequency CW and pulse EPR spectroscopies, including ENDOR and ELDOR-detected NMR (EDNMR) techniques. The non-covalent interaction with iodopentafluorobenzene as halogen-bond donor is shown to affect a variety of EPR parameters of the stable nitroxide radicals. In liquid solution, only bulk effects on the EPR signal, i.e. isotropic g value, isotropic 14N hyperfine coupling and linewidth, are observed. Experiments on frozen solutions allow for a more in-depth dissection of complexing effects. W-band EPR spectra at cryogenic temperatures exhibit multiple signal components of different 14N hyperfine interactions and spectral widths. This demonstrates the coexistence of several halogen-bonded complexes that differ in donor-acceptor binding geometries. These complexes have different relaxation properties, which allow for their spectral discrimination. 19F ENDOR experiments prove the origin of these effects to be different specific intermolecular interactions rather than a consequence of changes in the solvation environment. The EPR spectra yet reveal a strong influence of solvent composition on the amount of the various complexes formed. The introduced methodology for the characterization of such adducts improves our understanding of halogen bonding and could be helpful in the development of tailor-made donors and complexes for specific applications.
Fatal outcome in a Hispanic woman with moyamoya syndrome and Graves’ disease
Authors: Choi Julian , Suthakar Perin , Farmand Farbod 
Published: November 2016

Summary
We describe the case of a young Hispanic female who presented with thyrotoxicosis with seizures and ischemic stroke. She was diagnosed with a rare vasculopathy – moyamoya syndrome. After starting antithyroid therapy, her neurologic symptoms did not improve. Acute neurosurgical intervention had relieved her symptoms in the immediate post-operative period after re-anastomosis surgery. However, 2 post-operative days later, she was found to be in status epilepticus and in hyperthyroid state. She quickly deteriorated clinically and had expired a few days afterward. This is the second case in literature of a fatality in a patient with moyamoya syndrome and Graves’ disease. However, unlike the other case report, our patient had undergone successful revascularization surgery. We believe her underlying non-euthyroid state had potentiated her clinical deterioration. Case studies have shown positive correlation between uncontrolled hyperthyroidism and stroke-like symptoms in moyamoya syndrome. Mostly all patients with these two disease processes become symptomatic in marked hyperthyroid states. Thus, it may be either fluctuations in baseline thyroid function or thyrotoxicosis that potentiate otherwise asymptomatic moyamoya vasculopathy.

Learning points:

Awareness of the association between Graves’ disease and moyamoya syndrome in younger patients presenting with stroke-like symptoms.
Obtaining euthyroid states before undergoing revascularization surgery may protect the patient from perioperative mortality and morbidity.
Although moyamoya disease is usually thought to be genetically associated, there are reports that thyroid antibodies may play a role in its pathogenesis and have an autoimmune link.
Fluctuations in baseline thyroid function for patients with known Graves’ disease may be a potentiating factor in exacerbating moyamoya vasculopathy.
Developmental Outcomes of Preterm Infants With Neonatal Hypoglycemia
Authors: Goode Rachel H. , Rettiganti Mallikarjuna , Li Jingyun , Lyle Robert E. , Whiteside-Mansell Leanne , Barrett Kathleen W. , Casey Patrick H. 
Published: November 2016

BACKGROUND AND OBJECTIVES:
Neonatal hypoglycemia has been associated with abnormalities on brain imaging and a spectrum of developmental delays, although historical and recent studies show conflicting results. We compared the cognitive, academic, and behavioral outcomes of preterm infants with neonatal hypoglycemia with those of normoglycemic controls at 3 to 18 years of age.

METHODS:
A secondary analysis of data from the Infant Health and Development Program, a national, multisite, randomized controlled longitudinal intervention study of long-term health and developmental outcomes in preterm infants. Of the 985 infants enrolled in the Infant Health and Development Program, 745 infants had glucose levels recorded. Infants were stratified into 4 groups by glucose level. By using standardized cognitive, academic, and behavioral assessments performed at 3, 8, and 18 years of age, we compared groups after adjusting for intervention status, birth weight, gestational age, sex, severity of neonatal course, race, maternal education, and maternal preconception weight.

RESULTS:
No significant differences were observed in cognitive or academic skills between the control and effected groups at any age. Participants with more severe neonatal hypoglycemia reported fewer problem behaviors at age 18 than those without hypoglycemia.

CONCLUSIONS:
No significant differences in intellectual or academic achievement were found between preterm infants with and without hypoglycemia. A statistical difference was found in behavior at age 18, with hypoglycemic children showing fewer problematic behaviors than normoglycemic children. This difference was not clinically meaningful. Using extended outcomes, our results are consistent with previous studies that found no significant neurodevelopmental outcomes associated with neonatal hypoglycemia in preterm-born children.
Under-reporting of Adverse Events in the Biomedical Literature
Authors: Kostoff Ronald N. 
Published: November 2016

Abstract

Purpose
To address the under-reporting of research results, with emphasis on the under-reporting/distorted reporting of adverse events in the biomedical research literature.

Design/methodology/approach
A four-step approach is used: (1) To identify the characteristics of literature that make it adequate to support policy; (2) to show how each of these characteristics becomes degraded to make inadequate literature; (3) to identify incentives to prevent inadequate literature; and (4) to show policy implications of inadequate literature.

Findings
This review has provided reasons for, and examples of, adverse health effects of myriad substances (1) being under-reported in the premiere biomedical literature, or (2) entering this literature in distorted form. Since there is no way to gauge the extent of this under/distorted-reporting, the quality and credibility of the ‘premiere’ biomedical literature is unknown. Therefore, any types of meta-analyses or scientometric analyses of this literature will have unknown quality and credibility. The most sophisticated scientometric analysis cannot compensate for a highly flawed database.

Research limitations
The main limitation is in identifying examples of under-reporting. There are many incentives for under-reporting and few dis-incentives.

Practical implications
Almost all research publications, addressing causes of disease, treatments for disease, diagnoses for disease, scientometrics of disease and health issues, and other aspects of healthcare, build upon previous healthcare-related research published. Many researchers will not have laboratories or other capabilities to replicate or validate the published research, and depend almost completely on the integrity of this literature. If the literature is distorted, then future research can be misguided, and health policy recommendations can be ineffective or worse.

Originality/value
This review has examined a much wider range of technical and non-technical causes for under-reporting of adverse events in the biomedical literature than previous studies.
Technology Update: Magnetic Resonance-While-Drilling System Improves Understanding of Complex Reservoirs
Authors: Kuptsov Kirill , Griffiths Roger , Maggs David 
Published: November 2016

Technology Update
Reservoirs consisting of heterogeneous carbonates and shaly sands pose formation evaluation challenges for conventional logging-while-drilling (LWD) measurements. Widely used resistivity, density, neutron porosity, and sonic measurements are all sensitive to both the formation matrix and the fluids, which may create ambiguities in the evaluation of reservoir fluids.
The Schlumberger proVision Plus magnetic resonance-while-drilling (MRWD) technology offers enhanced evaluation capabilities. By manipulating the hydrogen atoms in the fluids, nuclear magnetic resonance (NMR) methods provide a focused measurement of fluid properties and their interactions with the surrounding matrix at a fundamental level. The technology provides a more complete, real-time assessment of producibility in complex reservoirs.
Evolution of the Technology
The industry has used NMR technology for formation evaluation for more than 25 years, during which significant technical and operational developments have greatly enhanced its capabilities and applications. In porous media, NMR techniques reveal pore and fluid properties by exciting the nuclear states of hydrogen-containing molecules in the formation fluids and measuring the relaxation times for the induced excited energy states.
The relaxation time for a molecule near a pore wall surface tends to be much faster than that for a molecule in the bulk fluid volume. A distribution of all the relaxation times, known as a T2 distribution, can be used to derive both irreducible and producible fluid volumes, and an improved estimation of permeability. These measurements are also important for identifying bypassed pay zones and estimating production rates.
The first NMR tools were deployed on wireline after the hole had been drilled, which added rig time and cost to the operation and did not allow for real-time changes to the wellbore’s trajectory. Schlumberger shifted the service from wireline to a while-drilling application in 2002. This early work focused on redesigning the sensor array to make it more robust and capable of withstanding dynamic drilling environments.
The design effort culminated with the introduction of the company’s latest MRWD system in 2012. Its new sensor makes reliable measurements under rapidly changing downhole temperatures and pressures and withstands the vibrations and drillstring shocks that are common during drilling.
Further design enhancements allow the tool to be placed anywhere within the bottomhole assembly (BHA). A sleeve stabilizer minimizes tool motion without affecting the steerability of the BHA. Powered by a downhole electrical turbine, the tool does not need to be tripped to replace batteries.