bluuebunny/crossref_metadata_2025_split huggingface dataset:
Frequency Identification and Asteroseismic Analysis of the Red Giant KIC 9145955: Fundamental Parameters and Helium Core Size
Authors: Zhang Xinyi , Wu Tao , Li Yan 
Published: March 2018

Abstract
We have analyzed 18 quarters of long-cadence data of KIC 9145955 provided by Kepler, and extracted 61 oscillation frequencies from these high-precision photometric data. The oscillation frequencies include 7 l = 0 modes, 44 l = 1 modes, 7 l = 2 modes, and 3 l = 3 modes. We identify l = 0 modes as p modes and l = 2 modes as p-dominated modes. For l = 1 modes, all of them are identified as mixed modes. These mixed modes can be used to determine the size of the helium core. We conduct a series of asteroseismic models and the size of the helium core is determined to be M
He = 0.210 ± 0.002 M
⊙ and

. Furthermore, we find that only the acoustic radius τ
0 can be precisely determined with the asteroseismic method independently. The value of τ
0 is determined to be 0.494 ± 0.001 days. By combining asteroseismic results and spectroscopic observations, we obtain the best-fitting model. The physical parameters of this model are M = 1.24 M
⊙, Z = 0.009, α = 2.0, T
eff = 5069 K, log g = 3.029, R = 5.636 R
⊙, and L = 18.759 L
⊙. In addition, we think that the observed frequency F39 (96.397 μHz) is more appropriate to be identified as a mixed mode of the most p-dominated.
Investigating the Relation between Sunspots and Umbral Dots
Authors: Yadav Rahul , Louis Rohan E. , Mathew Shibu K. 
Published: March 2018

Abstract
Umbral dots (UDs) are transient, bright features observed in the umbral region of a sunspot. We study the physical properties of UDs observed in sunspots of different sizes. The aim of our study is to relate the physical properties of UDs with the large-scale properties of sunspots. For this purpose, we analyze high-resolution G-band images of 42 sunspots observed by Hinode/SOT, located close to disk center. The images were corrected for instrumental stray light and restored with the modeled point-spread function. An automated multilevel tracking algorithm was employed to identify the UDs located in selected G-band images. Furthermore, we employed Solar Dynamics Observatory/HMI, limb-darkening-corrected, full-disk continuum images to estimate the sunspot phase and epoch for the selected sunspots. The number of UDs identified in different umbrae exhibits a linear relation to the umbral size. The observed filling factor ranges from 3% to 7% and increases with the mean umbral intensity. Moreover, the filling factor shows a decreasing trend with the umbral size. We also found that the observed mean and maximum intensities of UDs are correlated with the mean umbral intensity. However, we do not find any significant relationship between the mean (and maximum) intensity and effective diameter of UDs and the sunspot area, epoch, and decay rate. We suggest that this lack of relation could be due to either the distinct transition of spatial scales associated with overturning convection in the umbra or the shallow depth associated with UDs, or both.
MALS–NOT: Identifying Radio-bright Quasars for the MeerKAT Absorption Line Survey
Authors: Krogager J.-K. , Gupta N. , Noterdaeme P. , Ranjan A. , Fynbo J. P. U. , Srianand R. , Petitjean P. , Combes F. , Mahabal A. 
Published: March 2018

Abstract
We present a preparatory spectroscopic survey to identify radio-bright, high-redshift quasars for the MeerKAT Absorption Line Survey. The candidates have been selected on the basis of a single flux density limit at 1.4 GHz (>200 mJy), together with mid-infrared color criteria from the Wide-field Infrared Survey Explorer. Through spectroscopic observations using the Nordic Optical Telescope, we identify 72 quasars out of 99 candidates targeted. We measure the spectroscopic redshifts based on characteristic, broad emission lines present in the spectra. Of these 72 quasars, 64 and 48 objects are at sufficiently high redshift (z > 0.6 and z > 1.4) to be used for the L-band and UHF-band spectroscopic follow-up with the Square Kilometre Array precursor in South Africa: the MeerKAT.
The First Low-frequency Radio Observations of the Solar Corona on ≈200 km Long Interferometer Baseline
Authors: Mugundhan V. , Ramesh R. , Kathiravan C. , Gireesh G. V. S. , Kumari Anshu , Hariharan K. , Barve Indrajit V. 
Published: March 2018

Abstract
The angular size of the smallest, compact radio source that can be observed in the solar atmosphere is one of the intriguing questions in low-frequency radio astronomy. This is important to understand density turbulence in the solar corona and the related angular broadening of the radio source sizes. We used a two-element interferometer with a baseline length of ≈200 km, operating at ≈53 MHz to infer the above limit. Our results indicate that radio sources of angular size ≤15″ exist in the solar corona, where radio emission at the above frequency also originates.
Prática tecnológica e tecnologia social: um estudo a partir dos pressupostos teóricos da construção social da tecnologia
Authors: Gapinski Ecinoely Francine Przybycz , Freitas Carlos Cesar Garcia , Gonzaga Carlos Alberto Marçal , Fujinaga Cristina Ide 
Published: March 2018

O presente artigo buscou aproximar as temáticas Construção Social da Tecnologia e Tecnologia Social, mediante identificação e análise dos componentes da prática tecnológica em um projeto de Tecnologia Social. Para tanto, foi realizada uma pesquisa de caráter descritiva, com abordagem qualitativa, por meio de análise documental e entrevista. Como destaque metodológico foi utilizada como abordagem de análise a teoria da Construção Social da Tecnologia. Entre os resultados destaca-se que o uso dos componentes da prática tecnológica são um importante recurso teórico para análise do fenômeno desenvolvimento tecnológico, pois permite maior profundidade de julgamento, em especial à Tecnologia Social que se caracteriza em essência por um processo de construção social.
THERMAL PERFORMANCE OF PANELS WITH HIGH DENSITY, RANDOMLY ORIENTED STRAW BALES
Authors: Seitz Sarah , Beaudry Kyle , MacDougall Colin 
Published: March 2018

This paper describes the hot-box testing (based on ASTM C1363-11) of seven straw bale wall panels to obtain their thermal conductivity values. All panels were constructed with stacked bales and cement-lime plaster skins on each side of the bales. Four panels were made with traditional, 2-string field bales of densities ranging from 89.5 kg/m3–131 kg/m3 and with the bales on-edge (fibres perpendicular to the heat flow). Three panels were made with manufactured high-density bales (291 kg/m3–372 kg/m3). The fibres of the manufactured bales were randomly oriented. The key conclusion of this paper is that within the experimental error, there is no difference in the thermal conductivity value for panels using normal density bales and manufactured high density bales up to a density of 333 kg/m3. However, because of lack of precision of the hot-box, no conclusions can be made on the true thermal conductivity of the high density bale panels. In addition, the panels tested were found to have significant voids between bales, and this is believed to have contributed to higher measured thermal conductivity values compared to those reported in the literature for normal density bale panels. Thermal properties may be affected for bales with higher densities than 333 kg/m3, therefore further testing is suggested.
Les députées blogueuses, des hommes politiques comme les autres ?
Authors: Neihouser Marie 
Published: March 2018

L’auteure s’appuie sur un panel exhaustif de blogues politiques français (3 509 sites). Une qualification fine des caractéristiques sociodémographiques des blogueurs, de la politisation de chaque blogueur et d’un ensemble de données attachées à chaque blogue et à l’activité numérique de chaque blogueur a permis d’isoler les blogues en fonction de la position et de l’orientation politique de leurs auteurs. Au total, l’étude porte sur un total de 120 blogues de députées et 312 blogues de députés. À contre-courant des thèses différentialistes en vigueur, l’auteure constate que les députés hommes et femmes ont des pratiques de blogage globalement similaires.
Anticancer Mechanisms in Two Murine Bone Marrow–Derived Dendritic Cell Subsets Activated with TLR4 Agonists
Authors: Bagaev Alexander , Pichugin Aleksey , Nelson Edward L. , Agadjanyan Michael G. , Ghochikyan Anahit , Ataullakhanov Ravshan I. 
Published: March 2018

Abstract
Dendritic cells (DCs) are well-known for their functions in orchestrating the innate and adaptive arms of immune defense. However, under certain conditions, DCs can exert tumoricidal activity. We have elucidated the mechanism of tumor suppression by TLR4-activated bone marrow–derived DCs (BMDCs) isolated from BALB/c mice. We identified that two distinct subsets of BMDCs (CD11b+CD11c+I-A/Eint and CD11b+CD11c+I-A/Ehigh) have different cytotoxic mechanisms of action. The cytotoxicity of the former subset is mediated through NO and reactive oxygen species and type I IFN (IFN-β), whereas the latter subset acts only through IFN-β. TLR4 agonists, LPS or pharmaceutical-grade ImmunoMax, activate CD11c+ BMDCs, which, in turn, directly kill 4T1 mouse breast cancer cells or inhibit their proliferation in an MHC-independent manner. These data define two populations of BMDCs with different mechanisms of direct cytotoxicity, as well as suggest that the I-A/Eint subset could be less susceptible to counteracting mechanisms in the tumor microenvironment and support investigation of similar subsets in human DCs.
What practice can learn from theory: The potential impact of disposition decision factors on organisational performance
Authors: Badenhorst Amanda 
Published: March 2018

Background: Effective disposition decisions can lead to a number of value-adding benefits including economic, environmental and marketing benefits. Despite this, many organisations are not aware of the importance of disposition decisions and the impact they can have on organisational performance.Objectives: The aim of this study was to demonstrate the potential impact of disposition decision factors on organisational performance.Method: This study made use of a qualitative content analysis method on previously published scientific articles on reverse logistics. The sample included 67 published scientific articles between 2006 and 2016. ATLAS.ti software was used to assist with the data analysis process.Findings: The findings showed a number of factors for disposition decision-making resulting in a number of value-adding benefits, which can improve organisational performance. From the findings, a conceptual framework was developed linking the disposition decision factors with the value-adding benefits and areas of organisational performance improvements.Conclusion: The framework developed in this article contributes to new insights and can help organisations to identify different performance improvement areas associated with certain disposition decision factors.
Antipsychotic medication non-adherence among schizophrenia patients in Central Ethiopia
Authors: Tareke Minale , Tesfaye Siranesh , Amare Desalegn , Belete Tilahun , Abate Andargie 
Published: March 2018

Background: Despite the fact that adherence to antipsychotic medications is the cornerstone in the treatment and prevention of relapse of the disease, non-adherence is a major problem among schizophrenia patients. The purpose of this study was to assess the magnitude and factors associated with antipsychotic medication non-adherence among schizophrenia patients in Amanuel Mental Specialized Hospital.Method: An institution-based cross-sectional study was conducted among 412 people with schizophrenia at Amanuel Mental Specialized Hospital from April to May 2014. Non-adherence was assessed using the questionnaire of Morisky medication adherence rating scale and semi-structured questions for assessment of associated factors. Logistic regression analysis was used to assess predictors of non-adherence.Results: Prevalence of non-adherence was 41.0% among schizophrenia patients. Living in rural areas (adjusted odds ratio [AOR] = 2.07; 95% confidence interval [CI]: 1.31, 3.28), current substance use (AOR = 1.67; 95% CI: 1.09, 2.56), long duration of treatment (AOR = 2.07; 95% CI: 1.22, 3.50) and polypharmacy (AOR = 2.13; 95% CI: 1.34, 3.40) were found to be significantly associated with non-adherence.Conclusion: The results indicate that non-adherence to antipsychotic medication was a major problem among patients with schizophrenia. Reducing the number of antipsychotic medications and availing drugs in rural areas may decrease the level of non-adherence.
Radiological Evaluation of Hip in Cerebral Palsy: A Randomized Cross-sectional Study
Authors: Das Sakti Prasad , Sahoo Pabitrakumar , Sahu Mamata M , Chitapure Tajuddin 
Published: March 2018

ABSTRACTIntroductionThe incidence of hip abnormalities in cerebral palsy (CP) patients has been reported as low as 2.6% and as high as 28%. Hip displacement is the second most common deformity after equines. The objective of this study is to evaluate the radiological changes of hip in CP for detecting early features of hip instability.Materials and methodsA total of 91 hips of 52 patients with CP who attended for rehabilitation management were randomly selected for the study. Hip surveillance was done in those cases where the clinical evaluation alone could not access stability. All the selected cases were evaluated radiologically with respect to acetabular angle, neck-shaft angles, degree of subluxation (migration percentage) and shape of femoral head.Results38 hips showed grade I, 14 hips grade II, 6 hips grade III, and 2 hips grade IV stage of migration percentage. Flattening of femoral head was laterally seen in 16 cases, both medial and lateral flattening was seen in 8 cases of subluxated hip. Acetabular roof angle was increased in cases with grade III and IV migration percentage. Acetabular angle was within 12 to 75° with mean angle of 32°. The mean true neck-shaft angle was 145.5° ranging from 134° to 170°ConclusionEarly detection of hip instability in Cerebral Palsy helps in timely intervention and that reduces or delays need for reconstructive surgery.How to cite this articleSahoo PK, Sahu MM, Chitapure T, Das SP. Radiological Evaluation of Hip in Cerebral Palsy: A Randomized Cross-sectional Study. Indian J Phy Med Rehab 2017;28(3):95-99.
Quality and mineral composition of eggs from hens supplemented with copper-lysine chelate
Authors: Brodacki Antoni , Batkowska Justyna , Stępniowska Anna , Blicharska Eliza , Drabik Kamil 
Published: March 2018

Abstract. The aim of study was to evaluate the quality of hen eggs influenced by supplementation of copper with lysine chelate (CHL). The material consisted of eggs from two groups of Hy-Line Brown laying hens aged 300 days. Group I, negative control (NC), did not receive any additives. The hens from group II were treated with CHL at a dose of 30 mg Cu L−1 with drinking water. After 4 weeks of supplementation, 60 eggs from each group were randomly collected for quality analysis. The characteristics of the whole egg and its individual elements (shell, yolk, and albumen) were evaluated. The supplementation of CHL increased the egg weight, as well as the weight and height of albumen. There were no changes in the shell strength parameters, and its darker color may increase potential consumer acceptance, but requires confirmation by sensory analysis of the eggs. The copper addition was relatively small, but even this dose caused some changes in egg quality. Little changes in the mineral composition of individual elements of the eggs have been reported. It is therefore very important to continue research to find the smallest effective dose of this micronutrient, to study the duration of time it should be given in order to obtain the best quality of eggs, and to minimize the mineral disorders in organisms.
Impacts of flocculation on the distribution and diagenesis of iron in boreal estuarine sediments
Authors: Jilbert Tom , Asmala Eero , Schröder Christian , Tiihonen Rosa , Myllykangas Jukka-Pekka , Virtasalo Joonas J. , Kotilainen Aarno , Peltola Pasi , Ekholm Päivi , Hietanen Susanna 
Published: March 2018

Abstract. Iron (Fe) plays a key role in sedimentary diagenetic processes in coastal systems, participating in various redox reactions and influencing the burial of organic carbon. Large amounts of Fe enter the marine environment from boreal river catchments associated with dissolved organic matter (DOM) and as colloidal Fe oxyhydroxides, principally ferrihydrite. However, the fate of this Fe pool in estuarine sediments has not been extensively studied. Here we show that flocculation processes along a salinity gradient in an estuary of the northern Baltic Sea efficiently transfer Fe and OM from the dissolved phase into particulate material that accumulates in the sediments. Flocculation of Fe and OM is partially decoupled. This is likely due to the presence of discrete colloidal ferrihydrite in the freshwater Fe pool, which responds differently from DOM to estuarine mixing. Further decoupling of Fe from OM occurs during sedimentation. While we observe a clear decline with distance offshore in the proportion of terrestrial material in the sedimentary particulate organic matter (POM) pool, the distribution of flocculated Fe in sediments is modulated by focusing effects. Labile Fe phases are most abundant at a deep site in the inner basin of the estuary, consistent with input from flocculation and subsequent focusing. The majority of the labile Fe pool is present as Fe (II), including both acid-volatile sulfur (AVS)-bound Fe and unsulfidized phases. The ubiquitous presence of unsulfidized Fe (II) throughout the sediment column suggests Fe (II)-OM complexes derived from reduction of flocculated Fe (III)-OM, while other Fe (II) phases are likely derived from the reduction of flocculated ferrihydrite. Depth-integrated rates of Fe (II) accumulation (AVS-Fe + unsulfidized Fe (II) + pyrite) for the period 1970–2015 are greater in the inner basin of the estuary with respect to a site further offshore, confirming higher rates of Fe reduction in near-shore areas. Mössbauer 57Fe spectroscopy shows that refractory Fe is composed largely of superparamagnetic Fe (III), high-spin Fe (II) in silicates, and, at one station, also oxide minerals derived from past industrial activities. Our results highlight that the cycling of Fe in boreal estuarine environments is complex, and that the partial decoupling of Fe from OM during flocculation and sedimentation is key to understanding the role of Fe in sedimentary diagenetic processes in coastal areas.
Radiative–convective equilibrium model intercomparison project
Authors: Wing Allison A. , Reed Kevin A. , Satoh Masaki , Stevens Bjorn , Bony Sandrine , Ohno Tomoki 
Published: March 2018

Abstract. RCEMIP, an intercomparison of multiple types of models configured in radiative–convective equilibrium (RCE), is proposed. RCE is an idealization of the climate system in which there is a balance between radiative cooling of the atmosphere and heating by convection. The scientific objectives of RCEMIP are three-fold. First, clouds and climate sensitivity will be investigated in the RCE setting. This includes determining how cloud fraction changes with warming and the role of self-aggregation of convection in climate sensitivity. Second, RCEMIP will quantify the dependence of the degree of convective aggregation and tropical circulation regimes on temperature. Finally, by providing a common baseline, RCEMIP will allow the robustness of the RCE state across the spectrum of models to be assessed, which is essential for interpreting the results found regarding clouds, climate sensitivity, and aggregation, and more generally, determining which features of tropical climate a RCE framework is useful for. A novel aspect and major advantage of RCEMIP is the accessibility of the RCE framework to a variety of models, including cloud-resolving models, general circulation models, global cloud-resolving models, single-column models, and large-eddy simulation models.
Aeroacoustic analysis using natural Helmholtz–Hodge decomposition
Authors: Haufe Daniel , Gürtler Johannes , Schulz Anita , Bake Friedrich , Enghardt Lars , Czarske Jürgen 
Published: March 2018

Abstract. The analysis of aeroacoustic phenomena is crucial for a deeper understanding
of the damping mechanisms of a sound-absorbing bias flow liner (BFL). For
this purpose, simultaneous measurements of the sound field and the flow field
in a BFL are required. The fluid velocity can serve as the measurand, where both
the acoustic particle velocity and the aerodynamic flow velocity contribute and, thus, can be acquired simultaneously. However, there is
a need to separate these two quantities to distinguish between them. This is
challenging because they generally coincide with each other in the time
domain. Due to the interaction of sound and flow in a BFL, both velocities
also overlap in the temporal frequency domain, having a coherent oscillation
at the acoustic frequency. For this reason, the recently developed natural
Helmholtz–Hodge decomposition (NHHD) is applied to separate both quantities
from the measured oscillation velocity field in the spatial domain. The
evaluation of synthetic vector field data shows that the quality of the
decomposition is enhanced when a smaller grid size is chosen. The velocity
field in a generic BFL, necessarily recorded within a three-dimensional
region of interest at more than 4000 measurement locations, is evaluated
using NHHD. As a result, the measured oscillation velocity in the BFL is
dominated by the flow that is related to vortices and also by irrotational
aerodynamic flow. Moreover, indications for an aeroacoustic source near the
facing sheet of the liner are revealed.
The Arabic Language in Contrast to English and Italian: Future Tense Revisited
Authors: Al-Oliemat Ahmed , Al-Saikhan Amal , Al-Khawalda Mohammad 
Published: March 2018

This study investigates the nature of the future tense in Arabic language in contrast to English and Italian languages. A major question to be answered is whether Arabic language as well as English and Italian have a real future tense.The methodology employed is based on contrastive linguistics theory which includes a full description of the expression of futurity in the languages under investigation, followed by a morpho-syntactic analysis of the forms used to express futurity. The data were obtained from three different, but rather similar in nature, sources. These include the prime ministers' speeches to the house of parliament in the case of Italian and Arabic languages (along with a description, frequency and percentages of the future forms used in the holy Quran) ; and a three hour recording of an American series ( Acapulco bay) translated into Arabic.The results show that there are similarities ( though belonging to different language families) and differences among these languages in terms of their expression of futurity. Further, they show that Italian and Arabic languages do have real future tense unlike English which does not have a morphologically marked forms to express futurity.
Presentness and Presence in Gestalt Therapy
Authors: Cohen Alan 
Published: March 2018

Abstract
Presence has become a focus of much recent writing in the field of psychotherapy, and in Gestalt therapy in particular. But much of the writing is vague regarding exactly to what “presence” refers. It is the author's impression that there is confusion between two different experiences: presentness and presence; the difference between these experiences will be described in this short piece.