bluuebunny/crossref_metadata_2025_split huggingface dataset:
A numerical model of grain growth
Authors: Du Z.-Z. , McMeeking R. M. , Cocks A. C. F. 
Published: February 2022

Abstract
A numerical model for grain growth has been developed. The governing equations for the model are derived from a variational principle that enforces the balance between energy dissipation and changes of internal energy. This approach significantly simplifies previous modelling of grain growth by replacing a curved grain boundary with several straight lines and relaxing constraints on triple point angles. Such simplifications provide a basis for a finite element method by reducing the analysis of a complex network of interconnected curved lines to the motion of interacting points. In the finite element formulation two approaches are used, namely an element based formulation and a node based formulation. In the latter case, the properties of the elements are lumped together at their common nodes. Such an approach allows the nodal velocity to be determined independently of the forces on other nodes in a lumped mobility methodology, leading to a further reduction of computer time. Several planar grain networks of Voronoi polygons have been studied. The evolution of the grain structures determined from these two approaches is found to exhibit the same trends as those obtained using other models published in the literature. Owing to its simplicity, the node based formulation is recommended.
The Fe–Cr–Zn system in relation with the galvanizing process in chromium-added zinc bath
Authors: Reumont Guy , Mathon Muriel , Fourmentin Richard , Perrot Pierre 
Published: February 2022

Abstract
Taking into account new experimental measurements, the Fe –Zn – Cr ternary system is critically modified at 460 °C. A continuous solid solution between ζ-FeZn13 and CrZn13 compounds is shown but is shared at 460 °C by the stable CrZn17 compound containing about 2 wt.% Fe. This ternary system is assessed with the CALPHAD method using the PARROT modulus of the Thermo-Calc software. The liquid and solid solution phases are modeled with Redlich– Kister –Muggianu equations. The intermetallic compounds ζ-(Fe,Cr)Zn13 and CrZn17 are treated as stoichiometric compounds in the binary systems. The experimental Fe and Cr solubilities at various temperatures modify the shape of the liquidus curve and are satisfying for industrial applications. A set of parameters consistent with most of the available experimental data on both phase diagram and solubility measurements is obtained by optimization. A comparison with previous experimental work is also presented and a reactional model between iron substrate and Zn–Cr bath is proposed. This optimization allows to interpret the growth of intermetallic layers and the formation of dross when galvanizing in Cr-added Zn bath.
Bewertung des Ermüdungsverhaltens von Radstählen anhand von Dehnungs-, Temperatur- und Widerstandsmessungen
Authors: Walther Frank , Eifler Dietmar 
Published: February 2022

Abstract
Vollräder und Radreifen gehören zu den höchstbeanspruchten Komponenten von Schienenfahrzeugen. Während höhere Fahrgeschwindigkeiten insbesondere die dynamischen Kräfte erhöhen, führen zunehmende Beschleunigungs- und Bremsmomente zu einer enormen Schlupfbeanspruchung der Räder. Eine Optimierung des Systems Rad/Schiene ist nur bei genauer Kenntnis des Ermüdungsverhaltens der eingesetzten Rad- und Schienenwerkstoffe in technisch relevanten Wärmebehandlungszuständen möglich. In der vorliegenden Arbeit werden neben der licht-, raster- und transmissionselektronenmikroskopischen Charakterisierung der Mikrostrukturen, die zyklischen Eigenschaften ausgewählter Radstähle unter Berücksichtigung von Mittelbeanspruchungen vorgestellt. Dabei werden ergänzend zu Spannung – Dehnung-Hysteresismessungen thermometrische, resistometrische und Giant-Magneto-Resistor Messverfahren genutzt.
Integrative finite element simulation of the rolling of Al alloys with coupled dislocation density and texture models
Authors: Neumann L. , Aretz H. , Kopp R. , Goerdeler M. , Crumbach M. , Gottstein G. 
Published: February 2022

Abstract
In order to achieve higher accuracy and predictive capability in finite element simulations, the implementation of physically based microstructure models becomes inevitable. The underlying reason for this is that the dislocation microstructure and the evolution of texture largely influence the considered forming processes. The present article presents recent results of research activities on 3-dimensional rolling simulations of Al alloys and their experimental validation. The finite element simulations were carried out taking dislocation density evolution into account.
Positrons as chemically sensitive probes in interfaces of multicomponent complex materials: Nanocrystalline Fe90Zr7B3
Authors: Herth S. , Rösner H. , Rempel A. A. , Schaefer H.-E. , Würschum R. 
Published: February 2022

Abstract
The present paper reports on a combined analytical and structural study of nanocrystalline Fe90Zr7B3 by means of positron annihilation, (analytical) high-resolution transmission electron microscopy (HRTEM), and X-ray diffraction. Particular focus is laid on the chemical nature of the intergranular amorphous matrix which occurs between the α-Fe nanocrystallites. Energy-dispersive X-ray measurements (EDX) with an electron nanobeam reveal an increased Zr content at the interface between the nanocrystallites and the intergranular amorphous phase. According to positron lifetime measurements, the intergranular amorphous phase and the interfaces between this phase and the nanocrystallites exhibit structural free volumes of the mean size slightly smaller than a lattice vacancy as in the amorphous precursor material. Coincident Doppler broadening measurements of the positron-electron annihilation photons show that the fraction of Zr in the neighborhood of the structural free volumes is higher in nanocrystalline Fe90Zr7B3 than in the amorphous state indicating an enhanced Zr concentration in the interfaces. These results are in good agreement with the HRTEM/ EDX studies and demonstrate the potentials of the coincident Doppler broadening technique for a chemical characterization of structurally complex materials on an atomistic scale.
Low-temperature plasma nitriding of AISI 304 stainless steel with nano-structured surface layer
Authors: Zhang H. W. , Wang L. , Hei Z. K. , Liu G. , Lu J. , Lu K. 
Published: February 2022

Abstract
A nanostructured surface layer was produced on an AISI 304 stainless steel plate by means of a surface mechanical attrition treatment (SMAT). Low-temperature plasma nitriding of the SMAT stainless steel sample was investigated in comparison with the coarse-grained sample by using structural analysis (X-ray diffraction, scanning electron microscopy, and transmission electron microscopy) as well as mechanical property measurements. It shows a much thicker nitrided layer is formed on the SMAT sample relative to that in the coarse-grained counterpart nitrided under the same condition. The nitrided layer in the SMAT sample is composed of nanostructured austenite expansion and martensite expansion with high supersaturations of nitrogen. The surface hardness and the hardened surface layer thickness, as well as the abrasive and the adhesive wear resistances of the nitrided SMAT sample are much enhanced relative to the nitrided coarse-grained sample.
Non-Linear Stability and Non-Equilibrium Thermodynamics—There and Back Again
Authors: Dostalík Mark , Průša Vít 
Published: February 2022

Abstract
We discuss the role of thermodynamics in non-linear stability analysis of spatially distributed dissipative systems governed by non-linear partial differential equations. We document profound interplay between various concepts in thermodynamics on one side and non-linear stability analysis on the other side, and subsequently we summarize and comment on various results regarding the non-linear stability of thermodynamically isolated as well as thermodynamically open systems.
Transnational identities, being and belonging: the diverse home literacies of multilingual immigrant families
Authors: Taylor-Leech Kerry 
Published: February 2022

Abstract
This paper uses a transnational lens to discuss findings from a longitudinal study of the home literacy practices of linguistically diverse immigrant families. The paper draws on the experiences of three families to show how literacy events and practices index and mediate immigrants’ identities as they settle into the host community. Observations, interviews, and family members’ own documentation of their home literacies revealed the richness and complexity of the families’ linguistic repertoires. Using Levitt and Schiller’s distinction between ways of being and ways of belonging, the paper focuses on the role of everyday literacies in the families’ lives and on how critical events at home and abroad shaped family members’ identities as they navigated their new lives. The paper offers insights into the role of multilingual literacies in the settlement process and draws attention to the significance of literacy practices in shaping immigrants’ transnationalism.
Las monedas alternativas como herramienta para la socialización del consumo ecológico: el Candil como estudio de caso
Authors: Gonzalo Palomo Guijarro  , María Catalán Balmaseda  , Begoña Lozano Diéguez  
Published: February 2022

El Candil es una moneda social que surge en 2014 con la creación de ACTYVA, una cooperativa integral del suroeste peninsular que se constituye como una herramienta abierta para dinamizar la economía local-regional, fomentar el emprendimiento social, el consumo crítico y los principios cooperativos como la ayuda mutua.
Se trata de una moneda de crédito mutuo usada por 130 usuarios (de 450 personas socias en ACTYVA) registrados en la plataforma online de gestión alojada en Community Exchange System (CES) junto a otras 200 redes de intercambio ibéricas. Hay un promedio de 16 transacciones al mes con un movimiento de 179,62 Candiles por transacción. En total ha habido más de 1.000 transacciones desde su creación con un movimiento total de 238.000 Candiles.
En "Cáceres para comérselo" nodo de distribución y consumo de la cooperativa desde su fundación hasta un 25% de las transacciones de venta hacia consumidores en 2019 se realizaron en Candiles, demostrando que hay otras fórmulas para facilitar el acceso a los productos ecológicos más allá de la lógica del poder adquisitivo clásico.
Aunque las monedas alternativas, complementarias o sociales son tan antiguas como la humanidad, la conceptualización contemporánea arranca con Heloísa Primavera en el año 1999 y los clubes de trueque en Argentina. En el "Informe Lietaer" de la Comisión Europea se señala que con este sistema se pretende contrarrestar los valores propios del sistema monetario convencional (autoridad central, jerarquía, competencia, etc.) por otros valores como la confianza mutua, la igualdad, la cooperación, la sincronicidad, el holismo y las habilidades interpersonales.

Palabras clave: economía social, economía ecológica, cooperativa integral, moneda social, crisis financiera, precio.
Post enucleation reconstruction of orbit using silicone orbital implant and dermis fat graft
Authors: Ather Mohammed , Rahmatunissa  , Saudhamini S , Shreya T , Fatima Samra Wahaj 
Published: February 2022

The aim of this study was to study the cosmetic appearance of patients after Post-enucleation reconstruction of the orbit with silicone implant and dermis fat graft. this is a prospective interventional study conducted at the department of Oculoplasty and Orbital disorder of a tertiary care eye hospital between 2014 and 2016. 30 cases of which 16 were males and 14 females were included in the study. Patients between the age group 10- 40 years who had painful blind eye, anterior staphyloma and Pthisis bulbi were included in the study. Patients who had enucleation because of malignancies like retinoblastoma and malignant melanoma were excluded from study. Informed consent obtained from the adult patients and consent of one of the parent was obtained from patients who were under 18 years of age after explaining the procedure in patients own language. All patients included were examined by an experienced ophthalmologist using slit lamp, transparent scale, exophthalmometer, A scan, B scan. In single sitting enucleation was done, silicon spherical orbital implant was placed in orbit in posterior sub tenon’s space. Dermis fat harvested from upper and outer quadrant of buttock was placed over the Orbital implant in the posterior sub tenon’s space. Recti muscles were sutured to the edge of dermis fat and conjunctiva sutured to the edge of dermis fat. Conformer placed and Suture tarsorraphy done. Cases followed post operatively on day one, and after 2 week and after 3 months. After 3rd month prosthetic eye was placed. Palpebral aperture height, enophthalmos and superior orbital sulcus deformity and cosmetic appearance was noted. 20 cases had 1mm difference in palpebral aperture height when compare to normal eye. 9 cases had 2mm, and one case had 4mm difference in palpebral aperture height. Enophthalmos with prosthesis was measured by exophthalmometer. 20 cases had 1mm of enophthalmos when compared to normal eye. 9 cases had 2 mm of Enophthalmos and one case had 4 mm of enophthalmos. 20 cases had fullness of superior orbital sulcus. 10 cases had 1-3 mm of superior orbital sulcus deformity.Cosmetic appearance was judged by doctors and attenders of patient. 20 cases had good cosmetic appearance. Whereas, 9 had fair cosmetic appearance and one had poor cosmetic appearance. It is concluded that doing enucleation and implanting orbital implant primarily along with Dermis fat graft reduces implant exposure to nil, and gives good cosmetic results as shown by measurement of Palpebral aperture height, Enophthalmos and Superior orbital sulcus deformity.
The Colt for Phoenix: Mucormycosis in COVID-19 times
Authors: B M Varshitha , M Sharanabasamma 
Published: February 2022

To compare whether treatment incorporating retrobulbar liposomal amphotericin B for rhino-orbital mucormycosis in ongoing covid 19 time can reduce the risk of exenteration compared to treatment with intravenous liposomal amphotericin B without compromising the survival rate. In this retrospective, comparative institutional study 23 patients of biopsy-proven mucormycosis and radiographic evidence of orbital involvement were enrolled and 13 were divided into group A and 10 in group B. Group A consists of patients who were treated with retrobulbar liposomal amphotericin B and group B consists of patients who were treated with intravenous liposomal amphotericin B. In group A, out of 13 patients, only one patient underwent exenteration and the patient survived post exenteration. Among the other 12 patients, 10 patients survived. In group B, out of ten, four patients were subjected to exenteration, out of which two survived. Among the other six patients without exenteration, five of them survived. In comparison, patients who were treated with retrobulbar amphotericin B had a lower risk of disfiguring exenteration without an apparent increase in the risk of mortality.
Ocular morbidity in patients on long-term selective serotonin reuptake inhibitors (SSRIs)
Authors: Prasad Rao Vaishnavi , H V Pooja , Gowda H T Venkate 
Published: February 2022

: To assess ocular morbidity in patients on long time anti-psychotic medication- SSRI.: Cross- sectional observational study was conducted on 96 patients on anti- psychotic medication (SSRI) who attended the OPD in Department of Ophthalmology and Psychiatry, from July 2019 to July 2021. : Of 96 patients, 71(73.9%) patients had ocular morbidity. Most common ocular morbidities were dry eye 62 (87.3%) followed by, reduced corneal sensitivity 3(4.2%), cataract 3 (4.2%), glaucoma 2(2.8%), ischemic optic neuropathy 1 (1.4%). Dry eye was the most common ocular morbidity seen. SSRIs on long term usage have significant ocular side effects, which should be kept in mind by both Ophthalmologists and Psychiatrics in their clinical practise.
A rare case of eyelid abscess and orbital cellulitis following acute dacryocystitis
Authors: Roy Pummy , Kumar Nandan 
Published: February 2022

Acute dacryocystitis usually presents as a pre-septal cellulitis since the lacrimal sac lies anterior to the orbital septum. Orbital cellulitis secondary to acute dacryocystitis is very rare due to a variety of anatomic barriers to the orbit but can occur and result in abscess formation with risk of visual compromise.We describe a case of 28 yrs. old otherwise healthy adult who presented with almost complete visual loss following orbital cellulitis and lower lid abscess formation secondary to acute dacryocystitis in right eye. The clinical, radiological, intraoperative and postoperative findings are discussed. He underwent emergency lateral canthotomy and cantholysis, lower lid abscess drainage along with planned endoscopic endonasal dacryocystectomy as resolutive surgery.
Assessment of oral health related quality of life (OHRQL) in patients with periodontitis: A cross sectional survey
Authors: Sivadas T Greeshma , R Nayar Bindu 
Published: February 2022

Health related quality of life is attaining more attention and is considered as an important marker of patients’ perception of disease. The impact of oral diseases on the oral health related quality of life (OHRQL) is of immense importance, but very few studies exist on the impact of periodontitis on quality of life.: This study was aimed to find out the relationship between periodontitis and OHRQL.A cross sectional survey was conducted at the outpatient Department of Periodontics, Government Dental College, Thiruvananthapuram, Kerala among 158 patients presented with periodontitis who satisfied the inclusion criteria.Data collection was done by using a proforma for recording age, gender and socioeconomic status. Clinical periodontal parameters such as clinical attachment loss (CAL), probing pocket depth (PPD), simplified oral hygiene index (OHI-S), gingival index (GI) using UNC 15 probe were examined. OHRQL was assessed using the Malayalam version of OHIP-14.Descriptive statistics were used to describe quantitative and qualitative variables. Association between periodontitis and OHRQL was analysed using Spearman’s correlation coefficient. Severity of periodontitis and OHRQL and each domains of quality of life and was determined using Kruskal-Wallis test.There is statistically significant association of OHRQL with CAL (r=0.16; p= 0.04). Other periodontal parameters (PPD, OHIS and GI) depicted a very weak positive correlation with OHRQL but none was statistically significant (r=0.15, p=0.07; r=0.13, p=0.10 and r=0.14, p=0.08 respectively). There is no statistically significant association between severity of periodontitis and OHRQL (p=0.24). The maximum affected domains are physical pain, psychologic discomfort and physical disability among the seven domains.Periodontitis have a definite impact on the OHRQL of this selected population. The perception of OHRQL can vary with difference in cultural background and between individuals. Further long term studies with a larger sample size and comparison with a healthy periodontium is necessary to validate the results.
Developing a health and well-being program for college students: An online intervention
Authors: Villarino Resti Tito H , Villarino Maureen Lorence F. , Temblor Maria Concepcion L. , Bernard Prosper , Plaisent Michel 
Published: February 2022

Managing health and well-being issues can be challenging for college students. Alternative supports, such as online programs, have been identified as cost-effective and efficient methods of providing inclusive support to college students, removing numerous barriers to health and well-being promotion. The article summarized a novel, evidence-based approach to developing an online health and well-being program. The program is based on Cognitive Behavioral Therapy (CBT), the positive emotion, engagement, relationships, meaning, and accomplishments (PERMA) construct, and the analysis, design, development, implementation, and evaluation (ADDIE) model. It discusses future directions in the evaluation, assessment, and documentation of the fitness-for-purpose process.

Keywords: well-being, online health, physical health, college students, PERMA, CBT, ADDIE
Application of secondary education sports lessons with blended teaching method
Authors: Ayat Marshalkhan , Elmira Bakytzhan , Bakytzhan Jigarbayev , Yernar Ospankulov , Ulmeken Toleshova , Aliya Yesselbayeva 
Published: February 2022

The aim of this study is to apply secondary education sports lessons with the blended teaching method. The quantitative research method was used in the study. The research was conducted in the fall semester of 2021–2022. 280 volunteer secondary school students continuing their education in Kazakhstan participated in the research. In the research, sports education was given to secondary school students with a 4-week blended education. In the research, the ‘Sports and Blended Education’ measurement tool developed by the researchers and compiled by experts in the field was used. The measurement tool was delivered to secondary school students via the online method and collected. The analysis of the data was made by using the SPSS programme, frequency analysis, t-test and the results were added to the research in the presence of tables. According to the results obtained from the research, it was concluded that there is a significant difference between the pre-test and post-test of the secondary school students and the blended education levels in sports lessons are high.

Keywords: Blended Education, Secondary Education, Distance Education, Education in Sports
When the Messenger Is More Important Than the Message: An Experimental Study of Evidence Use in Francophone Africa
Authors: Fillol Amandine , Sween-Cadieux Esther Mc , Ventelou Bruno , Larose Marie-Pier , Kanguem Ulrich Boris Nguemdjo , Kadio Kadidiatou , Dagenais Christian , Ridde Valéry 
Published: February 2022

Abstract
Background: Epistemic injustices are increasingly decried in global health. This study aims to investigate whether the source of knowledge influences the perception of that knowledge and the willingness to use it in francophone African health policy-making context. Methods: The study followed a randomized experimental design in which participants were randomly assigned to one of seven policy briefs that were designed with the same scientific content but with different organizations presented as authors. Each organization was representative of financial, scientific, or moral authority. For each type of authority, two organizations were proposed: one North American or European, and the other African. Results: The initial models show that there was no significative association between the type of authority and the location of the authoring organization and the two outcomes (perceived quality and reported instrumental use). Stratified analyses highlighted that policy briefs signed by the North American/European donor organization were perceived to be of lower quality than policy briefs signed by the African donor organization. For both perceived quality and reported instrumental use, these analyses found that policy briefs signed by the North American/European university were associated with higher scores than policy briefs signed by the African university whereas policy briefs signed by the North American/European regional office or international organization were associated with lower score than those signed by the African regional office of the international organization. Conclusion: The results confirm the significant influence of sources on perceived global health knowledge and the intersectionality of sources of influence. This analysis allows us to learn more about organizations in global health leadership, and to reflect on the implications for knowledge translation practices.