bluuebunny/crossref_metadata_2025 huggingface dataset:
Delay-Dependent Stability Analysis and Design of Input-delayed Systems by Smooth Sliding Mode Control: Lagrange Theorem Approach
Authors: Jafarov Elbrous M.
Published: June 2022

A new smooth sliding mode control design methodology based on Lagrange mean value theorem is proposed for stabilization of single input delayed systems. The Lagrange mean value theorem as a basic theorem of calculus is used for the design of linear sliding mode time-delay controller for the first time. This controller satisfies the sliding condition using a Zhou and Fisher type continuous control law eliminating the chattering effect. The constructive delay-dependent asymptotically stable sliding conditions are obtained by using the augmented Lyapunov-Krasovskii functionals and formulated in terms of simple (4x4)-matrix inequality with scalar elements. Developed design approach can be extended to robust stabilization of sliding system with unknown but bounded input delay. The maximum upper bounds of delay size can be found by using simple optimization algorithms. Helicopter hover control is considered as a design example for illustrating the usefulness of smooth sliding mode approach. Unstable helicopter dynamics are successfully stabilized by using linear sliding mode time-delay controller. For example, settling time is about 20 sec. Therefore, simulation results confirmed the effectiveness of proposed design methodology. Apparently, the proposed method has a great potential in design of time-delayed controllers.
ON THE MANUFACTURE TECHNIQUE OF PSEUDO-TWISTED WISPS OF THE PECTORAL FROM THE TOVSTA MOHYLA BARROW
Authors: Babenko L. I.
Published: June 2022

The pectoral from the Tovsta Mohyla is an astonishing artifact which gathered different technical ways of Hellenic jewelry art. During this jewelry, which is composed of more than 160 details, a few dozens of different technical operations had been used. Till that time the less understood thing is a complex of ways that have been used by a craftsman during manufacturing of four pseudo-twisted hollow wisps, that framed figured pectoral friezes. None of the proposed reconstructions doesn’t give clear understanding on the most important elements of the technologic process of manufacture of the wisps, namely — technical operations used by an artisan for obtaining the verisimilar relief of a twisted wisp on hollow tubes.

A definite clue for resolving this question can be given by construction of the torque from the Kul-Oba burial, a wisp of which consisted of a bronze twisted stem covered with a gold plate. Such construction could generate the idea of the manufacturing of hollow relief wisps with twisting imitation. To obtain them the craftsman twisted a wisp matrix from seven bronze wires. On that wisp a heat sealed tube rolled of thin gold sheet was placed. By the means of the basma technique — by pressure of wooden, bony or metal tools on a gold sheet, a twisted relief was squeezed at the tube. Then the tube was unscrewed from the matrix by turning around its radial axis towards a thinner tip of the matrix.

The torque from the Solokha burial mount also has similar wisp construction. It stands for the fact of using identical technology during their manufacturing and of possible manufacturing of the pectoral and the torque by goldsmiths of the same workshop, or even by the same artisan.
NEW RESEARCH OF FORTIFICATION OF THE BASIVKA HILL-FORT
Authors: Korzh A. A.
Published: June 2022

Defensive structures are the integral part of any fortified settlement. Their study requires significant labor costs, so usually the earthen constructions haven’t received enough attention from the predecessors.

Basivka hill-fort is definitely the key settlement of the Scythian Age in the Sula River basin. Its total area is approximately 170 ha. The central, residential part is located on three well-fortified capes. Not all fortification areas were created simultaneously but had developed dynamically in time and space. Successful usage of natural topographic features at this settlement is combined with the basics of defense tactics.

Modern agricultural activity and dwelling construction led to significant damage,and in some places to the destruction of earthen structures of Basivka hill-fort. This is especially true of the Great Outer Rampart which is well-preserved only in the eastern part.

The complexity of the modern terrain and the significant forest cover were the determining factors that hindered the preparation of the most accurate topographic plan of this site. The paper presents a new plan of central fortifications but it also needs to be revised which is a matter of the future.

A separate issue of the work is devoted to the placement of ancient entrances, which, like the fortification in general, could change over time and move from the main to the role of secondary ones.

The paper highlights the results of excavations of the Great Basivka Rampart which were conducted in 2020—2021. It is ascertained that the defensive structures cover the cultural layer of the settlement. In general, valuable information was obtained regarding the development of fortifications in the Ukrainian Forest-Steppe of Dnieper Left-Bank area in the Scythian Age.
EXCAVATION OF THE BURIAL GROUND KARIV I OF ROMAN AGE IN THE WESTERN BUG BASIN IN 2019—2020
Authors: Onyshchuk Ja. I.
Published: June 2022

The paper highlights the results of research conducted in 2019—2020 at the archaeological site cremation burial ground Kariv I of the Roman period in the basin of the Western Bug River. During the excavations 3 cremation burials were found which perhaps included the remains of one male and two females. Noteworthy is the partially destroyed female burial 12. Rich items of funeral inventory were found there, including the household items, metal costume details, jewelry, including jewelry made of yellow metal. The tilth soil layer contained fragments of glass and ceramic imported utensils, brooches, weapons and horse harness, armour ect. In total 12 cremation burials (including one pair burial) with a variety of equipment were found on the area of 1456 m2 during the entire period of research on the burial ground Kariv I. The remains of thirteen people were found in the burial assemblages: seven men, five women and one adolescent child (infantilis II group). We can suppose that the site may have been a burial place for barbarian elite and members of its inner circle. On the basis of numerous finds (brooches, spurs, tips of drinking horns, amphorae, glass and bronze vessels, etc.), most of which come from closed assemblages, the chronology of the burial ground is ascertained by the second half of the 2nd century CE (phase B2/C1). The people who left the site had mixed cultural traits. The mix of funeral traditions of the Przeworsk culture with notable South Germanic (Suebian), Baltic and Venetian elements can be found on the site. The events of the Marcomannic Wars, during or after which some members of the barbarian coalition tried to leave the troubled areas of the Middle Danube, moving away from Roman political influence in the European Barbaricum, perhaps may be the reason of appearance in the region of the population whom the burial ground belong.
Ge-conservación Nº21
Authors: Revista Ge-conservación
Published: June 2022

Ge-conservación es una publicación periódica del GEIIC, cuyo objetivo es contribuir al desarrollo científico, a la difusión y al intercambio de los conocimientos en materia de conservación y restauración del Patrimonio Cultural.
Analisis Komparasi Keterampilan Berpikir Kritis Siswa pada Pembelajaran IPA dengan Media Buku Ajar dan Media PhET Simulation
Authors: Putri Agviolita  , Sudarti Sudarti , Rif'Ati Dina Handayani
Published: June 2022

Keterampilan berfikir kritis menjadi salah satu keterampilan yang dituntut harus ada pada abad 21. Keterampilan berpikir kritis merupakan aspek yang penting untuk menghadapai berbagai tantangan di abad 21. Penelitian ini bertujuan untuk mengkomparasi kemampuan berpikir kritis siswa pada pembelajaran dengan media buku ajar (X1) dan media PhET (X2). Penelitian ini menggunakan data sekunder dari penelitian sebelumnya dan dianalisis dengan SPSS. Metode pengujian hipotesis komparatif dalam penelitian ini adalah Paired Sample T-test. Penelitian ini menemukan bahwa keterampilan berpikir kritis siswa setelah diadakan pembelajaran berbantuan media simulasi PhET lebih besar dibandingkan dengan keterampilan berpikir kritis siswa saat diadakan pembelajaran berbantuan media buku ajar yang menunjukkan bahwa pembelajaran dengan media PhET terbukti membantu siswa dalam meningkatkan kemampuan berpikir kritis dibandingkan dengan pembelajaran dengan media buku ajar. Hasil penelitian ini diharapkan menjadi evaluasi kegiatan pembelajaran untuk memilih media pembelajaran yang dapat meningkatkan keterampilan siswa.
A Study on Financial Accounting Disclosures in Ind-AS XBRL Taxonomy -A Case Study of IT Companies.
Authors:   Research Scholar, DOS in Commerce, Hemagangotri, University of Mysore. Haasan, Dattatreya Kruthi , Mahadevappa B ,   Professor, DOS in Commerce, Hemagangotri, University of Mysore. Hassan
Published: June 2022

Financial accounting disclosure is of great significance in accomplishing the objectives of the financial reporting system. The present study focuses on the financial accounting disclosure elements in Ind-AS XBRL taxonomy and examines the level of disclosure in XBRL reports based on Ind-AS XBRL taxonomy. The study considers a convenience-based sample of five IT companies chosen from NSE Nifty 50 companies. XBRL reports of selected companies are collected. The content analysis technique is applied to count the number of disclosure items of the selected companies. The disclosures were subject to frequency/percentage analysis and descriptive analysis such as mean and one-sample t-test. The results of the study reveal the taxonomy elements of financial accounting disclosures in the Ind-AS XBRL taxonomy and conclude that there is a significant increase in the level of disclosures in XBRL reports based on the Ind-AS XBRL taxonomy. Keywords: Financial Accounting Disclosures, IND-AS XBRL Taxonomy, XBRL
Musculoskeletal Tuberculosis Involving Ribs, Spine, and Pelvis in a 17 year old Girl: A Case Report
Authors: Hammoud Lina , Neaimeh Yara , El Taoum Katia , Zakhour Ramia
Published: June 2022

Background: We present a case of progressive back pain associated with weight loss and low-grade fever in a 17-year-old patient previously diagnosed with spinal tuberculosis (TB) also known as tuberculous spondylitis or Pott’s disease.
Case presentation: Upon the patient's presentation to the clinic, a differential diagnosis including infectious and non-infectious causes such as extra-pulmonary tuberculosis, septic arthritis, malignancy, rheumatologic diseases, and physical abuse was made. Her preliminary workup was suggestive of granulomatous disease. A positive tuberculin skin test (TST), and a polymerase chain reaction (PCR) test of the tissue with mycobacterium tuberculosis deoxyribonucleic acid (MTB DNA), confirmed the diagnosis of musculoskeletal TB.
Conclusion: The patient was treated with anti-TB regimen and Pyridoxine to avoid peripheral neuropathy associated with isoniazid use. Her clinical follow-up showed improvement with a proper response to treatment and no sequelae.
The Effect of the Fluctuating Interplanetary Magnetic Field on the Cosmic Ray Intensity Profile of the Ground-level Enhancement (GLE) Events
Authors: Moradi Ashraf , Giacalone Joe
Published: June 2022

We numerically integrate the equations of motion of a large number of GeV protons, released impulsively near the Sun, in order to study their time–intensity behavior at the location of an observer at 1 au. This is relevant to the interpretation of Ground Level Enhancements (GLEs) detected by neutron monitors on Earth. Generally, the observed time–intensity profiles reveal a single sharp rise, followed by slow decay. However, in the 1989 October 22 GLE event, there was an initial sharp spike followed by a secondary smaller spike in the particle intensity. We consider whether the propagation of the high-energy protons in a large-scale turbulent interplanetary magnetic field (IMF) can lead to this unusual time–intensity profile. The IMF model includes large-scale magnetic turbulence and a heliospheric current sheet. Ad-hoc scattering is used to mimic the effect of smaller-scale fluctuations resulting in pitch-angle scattering. Proton fluxes as a function of time and location for an observer are determined for various turbulence parameters, IMF polarities, and the size of the particle source near the Sun. We find that the fluctuating IMF leads to considerable variation in the arrival location of the particles crossing 1 au, and the time–intensity profile depends significantly on the observer's location and can have multiple peaks. An alternate explanation for the unusual structure in the 1989 October 22 GLE event is provided. Our findings show that the large-scale turbulent IMF enhances the access of the high-energy protons to the HCS at the early time of the event, which leads to efficient cross-field transport.
Connecting Primordial Star-forming Regions and Second-generation Star Formation in the Phoenix Simulations
Authors: Wells Azton I. , Norman Michael L.
Published: June 2022

We introduce the Phoenix Simulations, a suite of highly resolved cosmological simulations featuring hydrodynamics, primordial gas chemistry, primordial and enriched star formation and feedback, UV radiative transfer, and saved outputs with Δt = 200 kyr. We observe 73,523 individual primordial stars within 3313 distinct regions forming 2110 second-generation enriched star clusters by z ≥ 12 within a combined 177.25 Mpc3 volume across three simulations. The regions that lead to enriched star formation can contain ≳150 primordial stars, with 80% of regions having experienced combinations of primordial Type II, hypernovae, and/or pair-instability supernovae. Primordial supernovae enriched 0.8% of the volume, with 2% of enriched gas enriched by later-generation stars. We determine the extent of a primordial stellar region by its metal-rich or ionized hydrogen surrounding cloud; the metal-rich and ionized regions have time-dependent average radii r ≲ 3 kpc. 7 and 17% of regions have r > 7 kpc for metal-rich and ionized radii, respectively. We find that the metallicity distribution function of second-generation stars overlaps that of subsequent Population II star formation, spanning metal-deficient (∼7.94 × 10−8
Z
⊙) to supersolar (∼3.71 Z
⊙), and that 30.5% of second-generation stars have Z > 10−2
Z
⊙. We find that the metallicity of second-generation stars depends on progenitor configuration, with metals from pair-instability supernovae contributing to the most metal-rich clusters; these clusters form promptly after the supernova event. Finally, we create an interpretable regression model to predict the radius of the metal-rich influence of Population III star systems within the first 7–18 Myr after the first Population III stars form in the region.
Insight-HXMT Study of the Inner Accretion Disk in the Black Hole Candidate EXO 1846–031
Authors: Ren X. Q. , Wang Yanan , Zhang S. N. , Soria R. , Tao L. , Ji L. , Yang Y. J. , Qu J. L. , Zhang S. , Song L. M. , Ge M. Y. , Huang Y. , Li X. B. , Liao J. Y. , Liu H. X. , Ma R. C. , Tuo Y. L. , Wang P. J. , Zhang W. , Zhou D. K.
Published: June 2022

We study the spectral evolution of the black hole candidate EXO 1846−031 during its 2019 outburst, in the 1–150 keV band, with the Hard X-ray Modulation Telescope. The continuum spectrum is well modeled with an absorbed disk-blackbody plus cutoff power law, in the hard, intermediate, and soft states. In addition, we detect an ≈6.6 keV Fe emission line in the hard intermediate state. Throughout the soft intermediate and soft states, the fitted inner disk radius remains almost constant; we suggest that it has settled at the innermost stable circular orbit (ISCO). However, in the hard and hard intermediate states, the apparent inner radius was unphysically small (smaller than the ISCO), even after accounting for the Compton scattering of some of the disk photons by the corona in the fit. We argue that this is the result of a high hardening factor, f
col ≈ 2.0–2.7, in the early phases of the outburst evolution, well above the canonical value of 1.7 suitable for a steady disk. We suggest that the inner disk radius was already close to the ISCO in the low/hard state. Furthermore, we propose that this high value of the hardening factor in the relatively hard state was probably caused by the additional illuminating of the coronal irradiation onto the disk. Additionally, we estimate the spin parameter using the continuum-fitting method, over a range of plausible black hole masses and distances. We compare our results with the spin measured using the reflection-fitting method and find that the inconsistency of the two results is partly caused by different choices of f
col.
The 26Al Production of the ν

e
-process in the Explosion of Massive Stars
Authors: Li Gexing , Li Zhihong
Published: June 2022

The core collapses of massive stars at the ends of their lives will produce powerful streams of neutrinos, which provide an important contribution to the 26Al yield during the explosion stage. In this work, the contribution of the process

26

Mg

(

ν

e

,

e

−

)

26

Al

to the radioactive 26Al in the Milky Way is studied based on a simple model. By combining the calculation of the neutrino-nucleus cross section and some hypotheses about core-collapse supernova explosions, the ratio of 26Al and 26Mg of the ν

e
-process is estimated. An analytical relationship between the 26Mg yield and the initial mass and metallicity of massive stars is then obtained, making it easy to estimate the 26Mg and 26Al yields analytically. Due to the simplicity of the model, we can move away from complex calculations and into a careful study of the effects of some important factors, such as the radius of the O/Ne shell, the shock velocity, the neutrino spectrum, the Galactic mass and metallicity distribution, and so on. The uncertainties of the 26Al yield contributed from these factors are discussed in detail. This study will facilitate an intuitive understanding of the buried implicit assumptions in previous studies.
The Temporal and Spatial Behaviors of CME Occurrence Rate at Different Latitudes
Authors: Lin Jiaqi , Wang Feng , Deng Linhua , Deng Hui , Mei Ying , Xie Yangfan
Published: June 2022

The statistical study of the coronal mass ejections (CMEs) is a hot topic in solar physics. To further reveal the temporal and spatial behaviors of the CMEs at different latitudes and heights, we analyzed the correlation and phase relationships between the occurrence rate of CMEs, the coronal brightness index (CBI), and the 10.7 cm solar radio flux (F10.7). We found that the occurrence rate of the CMEs correlates with the CBI relatively stronger at high latitudes (≥60°) than at low latitudes (≤50°). At low latitudes, the occurrence rate of the CMEs correlates relatively weaker with the CBI than the F10.7. There is a relatively stronger correlation relationship between CMEs, the F10.7, and the CBI during Solar Cycle 24 (SC24) than Solar Cycle 23 (SC23). During SC23, the high-latitude CME occurrence rate lags behind the F10.7 by 3 months, and during SC24, the low-latitude CME occurrence rate leads the low-latitude CBI by 1 month. The correlation coefficient values turn out to be larger when the very faint CMEs are removed from the samples of the CDAW catalog. Based on our results, we may speculate that the source regions of the high/low-latitude CMEs may vary in height, and the process of magnetic energy accumulation and dissipation is from the lower to the upper atmosphere of the Sun. The temporal offsets between different indicators could help us better understand the physical processes responsible for the solar-terrestrial interactions.
Droits culturels
Authors: Sourisseau Réjane , Offroy Cécile
Published: June 2022

Les droits culturels peuvent parfois donner l’impression d’énoncer des lapalissades sur des actions qui sont depuis longtemps menées par les acteurs culturels. Ce ne serait que du « bla-bla ». Réjane Sourisseau et Cécile Offroy mettent ici en évidence qu’au-delà d’une nouvelle terminologie, c’est surtout d’un changement de paradigme dont il est question, bouleversant en profondeur notre approche de la culture qui ne saurait se cantonner à l’art, ni ne se réduire à une fonction instrumentale en vue d’une injonction à l’émancipation.
Des puissants effets de l’appartenance professionnelle sur la sociabilité amicale
Authors: Rasera Frédéric
Published: June 2022

Cet article interroge les effets du déplacement social dans le football professionnel sur la sociabilité amicale des footballeurs. À partir d’une enquête ethnographique, il montre combien celle-ci est resserrée autour du club qui les emploie, ce qui contribue à renforcer la dimension enveloppante du métier de footballeur. Derrière ce premier constat, il s’attache à rendre compte des logiques de différenciation à l’œuvre entre joueurs en montrant combien les personnes qu’ils côtoient, mais également les normes qui sont au cœur de ces sociabilités amicales, peuvent être fortement différenciées.
Optimizing thermal efficiencies of power-law fluids in double-pass concentric circular heat exchangers with sinusoidal wall fluxes
Authors: Ho Chii-Dong , Tu Jr-Wei , Chang Hsuan , Lin Li-Pang , Chew Thiam Leng
Published: June 2022

Effect of external-recycle operations on the heat-transfer efficiency, specifically for the power-law fluid flowing in double-pass concentric circular heat exchanger under sinusoidal wall fluxes, is investigated theoretically in the developed countries. Given that the fluid is heated twice on both sides of the impermeable sheet, four flow patterns proposed in recycling double-pass operations are expected to make substantial improvements in the performance of heat exchanger device in this study. Theoretical predictions point out that the heat-transfer efficiency increases with the ratio of channel thickness of double-pass concentric circular heat exchanger for all new designs under the same working dimension and the operational condition. The fluid velocity within the double-pass heat exchanger is increased by the fluids flowing through divided subchannels, which contributed to the higher convective heat-transfer efficiency. A simplified mathematical formulation was derived for double-pass concentric circular heat exchangers and would be a significant contribution to analyze heat transfer problems with sinusoidal wall fluxes at boundaries. The results deliver the optimal performance for the proposed four configurations with the use of external recycle compared to those conducted in single-pass, where an impermeable sheet is not inserted. The influences of power-law index and impermeable-sheet position on average Nusselt numbers under various flow patterns are also delineated. The distribution of dimensionless wall temperature was lower at the level of relative smaller thickness of annular channel, and the average Nusselt numbers for four external-recycle configurations and single-pass device were more suitable for operating under same condition. The ratio of the power consumption increment to heat-transfer efficiency enhancement demonstrates the economic feasibility among various configurations of double-pass concentric circular heat exchanger. The results also show that the external-recycle configuration (say Type B in the present study) serves as an important economic advantage in designing concentric circular heat exchangers for heating power-law fluids due to the smaller volumetric flow rate in annular channel with exiting outlet temperature.
Fasis el fanfarrón (y el Fénix). Nota a Mart. V 7 y V 8
Authors: Marina Castillo Alberto
Published: June 2022

El par de epigramas Mart. V 7 y V 8 se descubre como díptico bien trabado en virtud de las equivalencias entre el fénix (que se insinúa como símbolo de la noua Roma financiada por Domiciano en el arranque de V 7) y el personaje satirizado en V 8: el fanfarrón Phasis, cuyo nombre, apariencia y comportamiento sugieren la figura del faisán. Con ello, por otro lado, se adelanta la identificación del ave fabulosa y las Phasides o aves del Fasis con respecto a la equiparación poética de Lactancio y la confirmación ornitológica de Cuvier.
Les enjeux de l’orientation professionnelle des adolescent·es en situation de handicap visuel en Suisse romande
Authors: Leavy Aline , Gentaz Édouard , Rossier Jérôme
Published: June 2022

L’évolution de l’organisation du travail couplée à celle des technologies rend d’autant plus complexes l’orientation, la formation et l’insertion professionnelles des jeunes (15 à 25 ans) en situation de handicap visuel, en plus des limitations fonctionnelles dues au handicap. Dans un contexte où l’accent est mis sur la flexibilité alors que le handicap visuel restreint fortement les capacités adaptatives, l’orientation professionnelle semble primordiale afin de les doter des meilleures chances possibles d’intégrer le premier marché du travail. Cette revue relève les processus impliqués dans le parcours professionnel initial en tenant compte des limitations fonctionnelles et du cadre assurantiel suisse. Nous discutons également des variables déjà relevées dans la littérature scientifique qui influencent le parcours de formation et d’orientation et peuvent être considérées comme des facilitateurs pour l’entrée sur le marché de l’emploi. Le cadre théorique autour de la transition professionnelle s’appuie ici sur le concept d’adaptabilité en lien avec les théories psychologiques de l’autonomie, de l’autodétermination, de l’auto-efficacité, les compétences émotionnelles, de la circonscription et du compromis. Les principaux enjeux de l’insertion socioprofessionnelle des personnes en situation de handicap visuel sont analysés dans le contexte suisse de formation, de la législation relative à l’assurance invalidité, et du marché du travail actuel, notamment à travers l’ultra-digitalisation et la flexibilité.
Chômage et handicap : un accompagnement au service de la normativité
Authors: Hamraoui Éric , Lhuilier Dominique , Portsmouth Katherine , Waser Anne-Marie
Published: June 2022

La recherche-action (RA) présentée ici a pour objet, en privilégiant l’approche diachronique, l’analyse des parcours de vie de chômeurs à la santé fragilisée. Le parcours de vie est un paradigme pluridisciplinaire qui oriente nos choix à la fois théoriques et méthodologiques. Nous retiendrons ici des trajectoires croisées de santé et travail qui conduisent à une rupture « immobilisante ». Une sélection de parcours de vie permet de repérer l’impact des ruptures temporelles qui accompagnent l’irruption d’un événement de santé, synonyme souvent d’une atrophie du futur, associées à la désorganisation temporelle induite par le chômage. Ces situations mettant à l’épreuve nombre de modalités d’accompagnement par les professionnels de l’emploi et de l’insertion, nous expérimentons dans le cadre de cette RA un dispositif collectif d’accompagnement. Ces Ateliers Chômage et santé, visent à favoriser le développement de la normativité permettant à des adultes en situation de handicap de construire un projet d’activité ou professionnel compte tenu de leur santé et des autres sphères de leur vie. Les fonctions du groupe, de l’activité partagée et du récit seront plus particulièrement analysées au prisme des étapes de la relance d’une dynamique temporelle vectorisée par l’inscription dans un groupe de pairs et par la construction de ressources collectives dans le processus de temporalisation.
Défis et besoins des étudiants avec trouble du spectre de l’autisme à l’université
Authors: Pellenq Catherine , Mamelli Anna
Published: June 2022

L’inscription des jeunes avec un Trouble du Spectre de l’Autisme (TSA) dans l’enseignement supérieur en France connaît actuellement une progression notable. Pourtant, leur taux de réussite n’équivaut toujours pas celui des autres étudiants. Pour en connaître les raisons, nous avons administré un questionnaire à 17 étudiants avec TSA qui a permis d’identifier les défis qu’ils ont eu à relever.Les résultats ont montré qu’ils sont peu préparés à leur nouvel environnement de formation, qu’ils sont gênés dans leurs apprentissages par des difficultés sensorielles, sociales et de communication, empêchés par une fatigue et un stress envahissants.Cette étude qualitative apporte des données sur les expériences des étudiants avec TSA dans une université française et peut permettre aux futurs étudiants et à leur famille d’anticiper les problèmes. Elle apporte des arguments pour soutenir les services d’accueil, d’orientation et de suivi et promeut le développement de formations compatibles avec un environnement d’apprentissage universel.
Organizational Citizenship Behavior Among Employees of Public Higher Learning Institutions
Authors: Narh Faustina Mangor , Appiah Rita , Appiah Louis Gyekye
Published: June 2022

This study was necessitated by the lack of research on internal corporate social responsibility (CSR) and organizational citizenship behavior among employees of higher learning institutions in Ghana, as well as the claim that employees of public higher learning institutions in Ghana lack commitment, motivation, trust, and engagement. The research focused on the impact of internal CSR on the organizational citizenship behavior (OCB) of employees in public higher learning institutions in Ghana. Employees of public higher education institutions across the country were selected using stratified random and convenience sampling techniques. The data were analyzed using SEM, confirmatory and exploratory factor analyses. The findings of the study showed that internal CSR has a significant role to play in the OCB of workers in public higher learning institutions in Ghana. Incentives and motivation, as well as organizational justice and fairness, were found to influence the employees' OCB. The study provides recommendations for management and stakeholders' strategic decisions.
Impact of Quality of Work-life on Employee Productivity in Divisional Secretariats of The North-Western Province of Sri Lanka
Authors: Ekanayake E. M. P. P. , Wanigasekara W. A. D. K. J.
Published: June 2022

Public sector organizations in Sri Lanka are running through public funds, and it is vital to use those funds in an impactive manner. To measure whether public organizations are running effectively, productivity is an important concept to study. Previous scholars have analyzed and identified an ideaof work-life quality related to employee productivity. The majority of early researchers found a relationship between quality of work-life and employee productivity, but they do not focus on measuringthe impact of quality of work-life on employee productivity. This study fills the said gap by investigating the effects of quality of work-life on employee productivity. Employee productivity was measured using ACHIEVE model, and quality of work-life was measured using the Walton model. In the Walton model, there are eight quality indicators of work-life working conditions, social integration, adequate and fair compensation, occupied space by work in life, use of capacities at work, social relevance, opportunities at work, and constitutionalism. The population of this study was all employees working in divisional secretariat offices in Northwestern province; thesample size was 375 and useda random sampling technique. This research was a basic type of explanatory research, and primary data was used. Data were collected from employees covering all sections of divisional secretariats in the northwestern province. The result of this study indicated that there is a positive relationship between quality of work-life and employee productivity. At the same time, quality of work-life has a significant impact on employee productivity. Of eight indicators of quality of work-life, only four have influenced employee productivity. They are social integration, constitutionalism, social relevance, and occupied space by work. Concern about providing formal and informal integration among employees, freedom of expression, fair treatment,, and focus on social responsibility in divisional secretariat offices are vital aspects of employee productivity.
Factors Affecting Employee Turnover Intention and the Moderating Role of Gender: Evidence from the Laborer Category Employees Working in Katunayake Free Trade Zone of Sri Lanka
Authors: Piyasiri S. , Weerasinghe T. D.
Published: June 2022

Although the factors affecting employee turnover intention have been adequately studied in the extant literature in various contexts, minimum attention has been given to studying the actual effect of such factors on the role of gender, especially in the Free Trade Zones in Sri Lanka. Hence, the current study attempts to examine the effect of identified factors from literature, on employee turnover intention with the moderating role of gender on each antecedent. Predominantly adopting the deductive approach, quantitative strategy and cross-sectional time horizon, the study was conducted among a sample of 194 employees of the labourer category working in Katunayake Free Trade Zone via a survey questionnaire developed based on standard measurement scales. A simple random sampling technique was used to select the sample while the sample size was determined based on the Morgan table. Data analysis was done employing multiple regression analysis and the moderator analysis with Hayes process v3.5 macro in SPSS 26.0. Findings revealed that job satisfaction and organizational commitment have a negative relationship whereas job performance and job burnout adhere to a strong positive relationship with the employee turnover intention regardless of gender. Further, it is found that gender has no moderating effect on the hypothesized association. Accordingly, it is recommended for human resource professionals to focus more on each controllable factor affecting employee turnover intention which is more likely to convert into actual employee turnover adding costs to organizations in training and development, poor job performance, poor productivity, and emergency recruitments.
Case of post-treatment trans-placental congenital herpes in Sri Lanka – a case report and a literature review
Authors: Senevirathne T. N. , Amarasinghe S.
Published: June 2022

Herpes Simplex Virus (HSV) is a common sexually transmitted viral pathogen world wide which can cause devastating morbidity and mortality in foetus and newborn. While intra-partum transmission is being the commonest, trans-placental infection is rare with a higher mortality rate despite of proper management. Congenital herpes presents as a classical triad of cutaneous, neurological, and ophthalmic manifestations. In this article, we discuss a case of post-treatment trans-placental congenital herpes infection with a comprehensive literature which we believe the first reported case in Sri Lanka.
Confidential enquiries into maternal deaths and long awaiting milestone in the maternity care of Sri Lanka
Authors: Lanerolle Sanath
Published: June 2022

No abstract available
Hypertensive disorders of pregnancy
Authors: De Silva P. H. P. , Lanerolle S. , Dodampahala S. H. , Silva R. , Mathota C.
Published: June 2022

No abstract available
Prelabour rupture of membranes
Authors: De Silva P. H. P. , Lanerolle S. , Dodampahala S. H. , Silva R. , Mathota C.
Published: June 2022

No abstract available
Evans’ syndrome following vaccination with ChAdOx1 nCoV-19 in a patient with new-onset localized scleroderma
Authors: Gambichler Thilo , Nordmann Pia , Scheel Christina , Susok Laura
Published: June 2022

Growing evidence suggests that COVID-19 vaccines can induce hematological conditions. Here, we report a case of Evans’ syndrome, a combination of immune thrombocytopenic purpura and autoimmune hemolytic anemia following administration of the ChAdOx1 nCoV-19 vaccine. The present case further supports the notion that COVID-19 vaccines can trigger in rare cases severe persistent autoimmune-mediated hematological conditions which may predominantly occur in patients with underlying autoimmune conditions.
Submandibular gland in squamous cell carcinoma of the tongue
Authors: Joshi Kamal Deep , Joshi Poonam , Bhati Muddasir , Nair Sudhir , Chaturvedi Pankaj
Published: June 2022

Context:

The submandibular glands (SMGs) excision during head-and-neck oncosurgeries lead to significant morbidity and degradation of quality of life (QOL). The preservation of SMGs during head-and-neck oncosurgeries, without affecting oncological safety, will improve QOL by preventing xerostomia in these patients.

Aims:

The aim of this retrospective study was to assess the involvement of SMG by malignancy during neck dissection being done for the squamous cell carcinoma (SCC) of tongue and to evaluate oncological safety of SMG preservation in SCC of the tongue.

Settings and Design: The study design was a retrospective analytical study.

Subjects and Methods:

The study included 391 patients of SCC of tongue operated at Quaternary oncological center from January 2016 to February 2020. The treatment records of 371 patients were reviewed for demographical data, nodal metastasis, and histopathological involvement of SMG by SCC. The statistical analysis was done using SPSS 22.

Results:

A total of 555 necks dissected were assessed, out of which 95 necks dissected were positive for nodal metastasis at level Ib. The SMG was involved by SCC in only two cases, both of which were poorly differentiated SCC. No intraglandular lymph nodes were detected in any of the SMG dissected.

Conclusions:

The study showed that involvement of the SMG by SCC of the tongue is not very common, and it may be possible to preserve the SMG during neck dissection in selected cases in SCC of the tongue. The preservation will definitely improve QOL of the patients, as excision of the SMG is one of the prominent factors, resulting in xerostomia.
Carcinoma of the pyriform sinus with mediastinal metastasis successfully treated with chemoradiotherapy in resource-constraint setup
Authors: Kalbande Pallavi , Kale Pournima , Ardha Aarathi
Published: June 2022

Squamous cell carcinoma (SCC) of the pyriform sinus with metastatic mediastinal mass is staged as IVC and routinely treated with palliative intent. Here, we report a case cured with radical chemoradiotherapy without CT simulator, lead cutouts, and advanced techniques such as three-dimensional conformal radiation therapy, intensity-modulated radiation therapy, image-guided radiotherapy, and volumetric modulated arc therapy or stereotactic body radiotherapy. A 67-year-old male presented with SCC of the right pyriform sinus with mediastinal metastasis (Stage IVC). He was started with palliative chemotherapy afferent, but he could not tolerate it. Further, he was treated with radical chemoradiotherapy to dose of 60/30# to primary + neck with 6 MV photons and 50 Gy/25# to the anterior mediastinal lesion using 18 Mev electrons. Complete response to the treatment was achieved. At the close follow-up of 58 months, the patient is disease-free and follow-up is still ongoing. Limited metastatic disease can be completely cured using multimodality treatment using simple traditional 2D techniques, though optimal dose escalation becomes a limitation. Some variants of SCC do respond well even at suboptimal radiotherapy doses, so personalized treatment can be considered in such patients.
Knowledge, attitude, and practice of ‘over-the-counter’ medications among medical and non-medical professionals during COVID-19 pandemic
Authors: Raut Asawari , Varghese Biji Elza , Singh Digamber Rajendra , Reji Shirin Mariyam
Published: June 2022

Background:

India is one of the emerging markets for over-the-counter (OTC) drugs and offers significant growth potential for the industry. There has been a huge rise in the use of OTC drugs since the beginning of the pandemic for which some major reasons are lack of time, non-availability of prescribers, and hospital exposure during a pandemic.

Aim:

To assess knowledge, attitude, and practice (KAP) of ‘over-the-counter’ medications among medical and non-medical professionals during the COVID-19 pandemic.

Settings and Design:

The study was conducted at Bharati Hospital and Research Center, Pune, Maharashtra, India.

Materials and Methods:

A descriptive observational study was conducted.

Statistical Analysis Used:

Descriptive (mean, percentage, and standard deviation) and inferential (chi-square test) statistics were used. Statistical analysis was done using the Statistical Package for the Social Sciences(SPSS) software version 10.0.

Results:

Out of 310 samples majority showed poor knowledge (50.65%), high practice (56.13%), and negative attitude (70%) towards the use of OTC drugs. There is a significant association found between age (p-value 0) and health care status (p-value 0) with the level of knowledge. Age group (p-value 0.046) and employee status (p-value 0.00033) showed a significant association with the practice of OTC drugs. Healthcare status showed a significant association (p-value 0.0007) towards attitude toward the use of OTC drugs.

Conclusion:

Participants reported overall poor knowledge with a negative attitude and adopted the high practice use of OTC drugs during the COVID-19 pandemic. Increased awareness about self-medication is important to avoid complications associated with the high practice of OTC medications.
Posterior reversible encephalopathy syndrome in pregnancy
Authors: Birle Vaibhavi , Dongargaonkar Pradnya , Sharma Sunil , Gaiwal Aditi Sandip
Published: June 2022

Posterior reversible encephalopathy syndrome (PRES) is a rare clinic-radiological syndrome associated with acute changes in blood pressure during pregnancy. It is characterized symptomatically by headache, seizures, altered mental status, and visual blurring. Radiological changes are white matter vasogenic edema affecting the occipital and parietal lobes of the brain. It is being increasingly recognized due to increased institutional deliveries and advances in imaging particularly magnetic resonance imaging (MRI). Despite the increasing detection, the prediction of PRES and patient factors affecting susceptibility is still not clear. Hence, we conducted a retrospective study to analyze the factors associated with PRES at our tertiary care center.
Laparoscopic repair of post hysterectomy ureterovaginal fistula
Authors: Shah Siddharth , Thumar Nidhi , Kumar Sushil
Published: June 2022

The fistulas, following gynecologic, surgeries are not uncommon. Hysterectomy is one of the most common causes of lower urinary tract fistula in pelvic surgery. Higher incidences are associated with laparoscopic hysterectomy as compared to vaginal or abdominal hysterectomy. Early identification and management of ureterovaginal fistula (UVF) are of utmost importance. The laparoscopic approach in the management of UVF is preferred over open surgery as it reduces pain, hospital stay, and morbidity. However, the laparoscopic approach needs higher surgical dexterity, sound knowledge of pelvic anatomy, and has a higher learning curve. One such approach is discussed here.
Effect of the COVID-19 Pandemic on Blood Donations and Transfusions in Nigeria – A Multi-Facility Study of 34 Tertiary Hospitals
Authors: Oreh A , Bozegha T , Ihimekpen A , Biyama F , Irechukwu C , Aliu S , Oshiame D , Nnabuihe A , Ndanitsa A , Nnachi O , Ogbenna A , Abubakar S , Olupitan F , Akinkunmi A , Ogunlade C , Abayomi T , Omokaro U , Sylvester C , Igiebor U , Wokoma B , Ebophni S , Adewuyi B , Dachi R , Muhammad H , Abubakar M , Mgbang J , Chineke A , Ogbuabor O , Fakai G , Hashim B , Adeluwoye N , Olanrewaju D , Agahiu E , Etim E , Alabi S , Akinbola I , Anibueze C , Awogbami O , Edowhorhu G , Adekoya-Benson T , Bello S , Ojuade Y , Amedu O
Published: June 2022

Background:

The coronavirus disease 2019 (COVID-19) pandemic affected blood supplies globally. Mobile blood drive campaigns halted, and voluntary blood donations reduced, challenging available blood supplies. Furthermore, fears of virus transmission led to deferrals of elective surgeries and non-urgent clinical procedures with noticeable declines in blood donations and transfusions.

Aims:

We aimed to assess the effect of the COVID-19 pandemic on the number of blood donations and transfusions across the country by blood product type across various hospital departments.

Materials and Methods:

A retrospective descriptive study was conducted to determine the impact of the COVID-19 pandemic on blood services in 34 tertiary hospitals in Nigeria, comparing January to July 2019 (pre-COVID-19) to January to July 2020 (peri-COVID-19). Data were collected from the country's web-based software District Health Information System, Version 2 (DHIS2).

Results:

A 17.1% decline in numbers of blood donations was observed over the study period, especially in April 2020 (44.3%), a 21.7% decline in numbers of blood transfusions, especially in April 2020 (44.3%). The largest declines in transfusion were noted in surgery department for fresh frozen plasma (80.1%) [p = 0.012] and accident and emergency department transfusion of platelets (78.3%) [p = 0.005]. The least decline of statistical significance was observed in internal medicine transfusions of whole blood (19.6%) [p = 0.011].

Conclusions:

The COVID-19 pandemic significantly affected the numbers of blood donations and transfusions in Nigeria. Strengthening blood services to provide various blood components and secure safe blood supplies during public health emergencies is therefore critical.
Do Radiation Oncologists Publish what they Present? An Observational Analysis of Abstracts Presented at the Radiation Oncology Congresses in Turkey
Authors: Eren MF , Eren AA
Published: June 2022

Background:

The publication rate of abstracts is a measure of the quality of scientific meetings.

Aims:

The present study aimed to determine the radiation oncologists' publication rates of abstracts presented at the National Radiation Oncology Congresses (UROK) and National Cancer Congresses (UKK) and identify the top journals that published these studies.

Materials and Methods:

We reviewed the abstracts presented at UROK and UKK, held between 2013 and 2017. To retrieve any publications originating from the presented abstracts, we searched the match terms in the public databases, including PubMed, Web of Science, Google Scholar, The Turkish Academic Network, and Information Center (ULAKBIM). We evaluated the articles' publication dates and peer-review history and noted the journals' impact factors.

Results:

Three thousand seven hundred six abstracts were accepted for presentation; 1178 papers met the study criteria and were included in the analyses. There were 297 oral and 881 poster presentations. The overall publication rate was 18.9%. The median time to publication was 12 months. The studies were published in 94 scientific journals with a median impact factor of 1.28. Breast cancer and lung cancer studies had the highest publication rates among all subspecialties (15.2%). Retrospective studies had higher publication rates than those with other study designs (P < 0.0001).

Conclusion:

Almost 20% of abstracts presented at UROK and UKK were converted into full-text publications. Most of the abstracts achieved publication within 2 years from the presentation. Oral presentations had a significantly higher publication rate than poster presentations, reflecting their higher quality. The authors' affiliations and the study designs were among the significant factors that determine publication success.