bluuebunny/crossref_metadata_2025 huggingface dataset:
Machine learning for detection of aortic root landmarks
Authors:   Federal State Budgetary Scientific Institution ", Klyshnikov Kirill Yu. ,   Research Institute for Complex Problems of Cardiovascular Diseases", Ovcharenko Evgeny A. ,   Federal State Budgetary Scientific Institution "Research Institute for Complex Problems of Cardiovascular Diseases", Danilov Vyacheslav V. ,   Federal State Autonomous Educational Institution of Higher Education "National Research Tomsk Polytechnic University", Ganyukov Vladimir I. ,   Federal State Budgetary Scientific Institution "Research Institute for Complex Problems of Cardiovascular Diseases", Barbarash Leonid S. ,   Federal State Budgetary Scientific Institution "Research Institute for Complex Problems of Cardiovascular Diseases"
Published: June 2022

A significant increase in the number of transcatheter aortic valve replacements entails the development of auxiliary systems that solve the problem of intra- or preoperative assistance to such interventions. The main concept of such systems is the concept of computerized automatic anatomical recognition of the main landmarks that are key to the procedure. In the case of transcatheter prosthetics – elements of the aortic root and delivery system. This work is aimed at demonstrating the potential of using machine learning methods, the modern architecture of the ResNet V2 convolutional neural network, for the task of intraoperative real-time tracking of the main anatomical landmarks during transcatheter aortic valve replacement. The basis for training the chosen architecture of the neural network was the clinical graphical data of 5 patients who received transcatheter aortic valve replacement using commercial CoreValve systems (Medtronic Inc., USA). The intraoperative aortographs obtained during such an intervention with visualization of the main anatomical landmarks: elements of the fibrous ring of the aortic valve, sinotubular articulation and elements of the delivery system, became the output data for the work of the selected neural network. The total number of images was 2000, which were randomly distributed into two subsamples: 1400 images for training; 600 – for validation. It is shown that the used architecture of the neural network is capable of performing detection with an accuracy of 95-96% in terms of the metrics of the classification and localization components, however, to a large extent does not meet the performance requirements (processing speed): the processing time for one aortography frame was 0.097 sec. The results obtained determine the further direction of development of automatic anatomical recognition of the main landmarks in transcatheter aortic valve replacement from the standpoint of creating an assisting system – reducing the time of analysis of each frame due to the optimization methods described in the literature.
A way to improve the quality of graphical data digitising
Authors:   Synergy University, Golikov Ruslan Yu.
Published: June 2022

This paper considers the actual problem of graphical information converting back into raw data format that was used to represent it. This is due to the great scientifi achievements contained in editions from the Soviet period, as well as the intention global publishers from "unfriendly" countries to close access for Russian and Belarusian organisations to scientific publications and technical information databases. As a result, Russian scientists can only have graphical materials in formats similar to PDF documents. This paper considers a fairly simple way of solving this problem when digitising graphs in printed or electronic publications with low resolution and a large picture scale, which does not allow to detail its separate fragments. The procedure for pre-processing the original image in bitmap format is described. In order to improve the numerical data resulting accuracy from the subsequent digitising, a number of features are recommended, which are available in the well-known and most common graphical editors. These functions include changing the color mode of the image, color inversion, sharpening and contrast, linear scaling (vertical and horizontal scaling), and graph line spline approximation. The above operations are accessible to users with the minimum familiarity of graphical editors Microsoft Power Point and Adobe Photoshop. As an developed procedure use example, the results of FRB 160317 signal digitising (a so-called Fast Radio Burst), are presented. The digitising of its graphical image has provided more accurate additional information on signal characteristics not given by publication authors. A visual evaluation of the digitised FRB 160317 signal accuracy by matching it with the original graphical image is presented, which showed a satisfactory match to the original. The numerical data array obtained by digitising the raw graphical material using a pre-processing procedure is becomes available for further analysis. The described way can be used by university teachers both at the initial stages of students teaching to work with images and carry out data analysis, and when preparing teaching materials when organising the educational process using distance learning technologies. The results are applicable at the starting stages of scientifi research in the initial data set formation for dependency analysis in various subject areas, where there are no initial samples refl the results of observation.
The Voyage of Archetypes: A Comparative Study on Achebe’s Things Fall Apart and The Book of Dede Korkut
Authors: BOLAT Eren
Published: June 2022

With the beginning of mankind’s adventure on earth, each society has created its own social, cultural and religious systems. Although the first human existed in a single part of the world, the journey of mankind has veered to different continents. In this study, it is aimed to show the intercontinental voyage of certain archetypes by focusing on the reflection of Nigerian culture in Chinua Achebe’s Things Fall Apart in comparison to Book of Dede Korkut. While making this cultural study between two separate nations, Igbo and Turkish culture were compared in terms of religious, social, and literary features, regarding the concept of “collective unconscious” by Swiss psychiatrist C. Gustav Jung. As a result of this comparison, it has been observed that the two nations located on different continents have similar cultural characteristics, which validates the voyage of archetypes.

Keywords: Archetype, Culture, Achebe, Dede Korkut, Igbo, Turkish
Erweiterte Zusammenfassung des Vortrags Die Ökonomie im Pandemie-Lockdown von Gabriel Felbermayr
Authors: Stephani Ulrich
Published: June 2022

Bericht über den Vortrag Gabriel Felbermayrs, der als Präsident des Kiel Instituts für Weltwirtschaft im Rahmen der Ringvorlesung Die Coronavirus-Pandemie und ihre Folgen II der Christian-Albrechts-Universität zu Kiel
über die ökonomischen Aspekte der Lockdowns referierte: die Zusammenhänge zwischen epidemiologischen und wirtschaftswissenschaftlichen Modellen, die ökonomischen Effekte der Pandemie und die Verteilungsfragen,
die aus den direkten wie indirekten gesellschaftlichen Maßnahmen zur Pandemiebekämpfung resultierten. Zuletzt erörterte Felbermayr den Aspekt des Lastenausgleichs – auch als Thema des im Sommer 2021 beginnenden
Bundestagswahlkampfs – mit einem kurzen Statement zur Debatte um die Vermögenssteuer.

Report on Gabriel Felbermayr's lecture, who as President of the Kiel Institute for the World Economy gave a lecture on the economic aspects of the lockdowns as part of the lecture series Die Coronavirus-Pandemie
und ihre Folgen II (The Coronavirus Pandemic and its Consequences II) at Kiel University: the connections between epidemiological and economic models, the economic effects of the pandemic and the distributional
issues resulting from the direct and indirect social measures to combat the pandemic. Finally, Felbermayr discussed the aspect of burden sharing - also as a topic of the Bundestag election campaign starting in
summer 2021 - with a short statement on the debate about wealth tax and legacy tax.
Methanol Intoxication Increasing Again with COVID-19 Pandemic: Clinical Series
Authors: YILMAZ AYDIN Yasemin , YURTSEVEN Aynur , AYDIN Kemal , HAMZAÇEBİOĞLU Elif , KAVALCI Cemil
Published: June 2022

Methanol intoxication is very rare clinical condition encountered at emergency rooms while numbers started to increase with covid-19 pandemic. In this clinical series we mentioned about our clinical approach to methanol intoxication patient during covid-19 pandemic.
Modeling Stellar Surface Features on a Subgiant Star with an M-dwarf Companion
Authors: Schutte Maria C. , Hebb Leslie , Lowry Simon , Wisniewski John , Hawley Suzanne L. , Mahadevan Suvrath , Morris Brett M. , Robertson Paul , Rohn Graeme , Stefansson Gudmundur
Published: June 2022

Understanding magnetic activity on the surface of stars other than the Sun is important for exoplanet analyses to properly characterize an exoplanet’s atmosphere and to further characterize stellar activity on a wide range of stars. Modeling stellar surface features of a variety of spectral types and rotation rates is key to understanding the magnetic activity of these stars. Using data from Kepler, we use the starspot modeling program STarSPot (STSP) to measure the position and size of spots for KOI-340, which is an eclipsing binary consisting of a subgiant star (T
eff = 5593 ± 27 K, R
⋆ = 1.98 ± 0.05 R
⊙) with an M-dwarf companion (M
⋆ = 0.214 ± 0.006 M
⊙). STSP uses a novel technique to measure the spot positions and radii by using the transiting secondary to study and model individual active regions on the stellar surface using high-precision photometry. We find that the average size of spot features on KOI-340's primary is ∼10% the radius of the star, i.e., two times larger than the mean size of solar-maximum sunspots. The spots on KOI-340 are present at every longitude and show possible signs of differential rotation. The minimum fractional spotted area of KOI-340's primary is

2

−
2

+
12

%

, while the spotted area of the Sun is at most 0.2%. One transit of KOI-340 shows a signal in the transit consistent with a plage; this plage occurs right before a dark spot, indicating that the plage and spot might be colocated on the surface of the star.
Dust Accretion onto Exoplanets
Authors: Arras Phil , Wilson Megan , Pryal Matthew , Baker Jordan
Published: June 2022

Accretion of interplanetary dust onto gas giant exoplanets is considered. Poynting–Robertson drag causes dust particles from distant reservoirs to slowly inspiral toward the star. Orbital simulations for the three-body system of the star, planet, and dust particle show that a significant fraction of the dust may accrete onto massive planets in close orbits. The deceleration of the supersonic dust in the planet’s atmosphere is modeled, including ablation by thermal evaporation and sputtering. The fraction of the accreted dust mass deposited as gas-phase atoms is found to be large for close-in orbits and massive planets. If mass outflow and vertical mixing are sufficiently weak, the accreted dust produces a constant mixing ratio of atoms and remnant dust grains below the stopping layer. When vertical mixing is included along with settling, the solutions interpolate between the mixing ratio due to the meteoric source above the homopause, and that of the well-mixed deeper atmosphere below the homopause. The line opacity from atoms and continuum opacity from remnant dust may be observable in transmission spectra for sufficiently large dust accretion rates, a grain size distribution tilted toward the blowout size, and sufficiently weak vertical mixing. If mixing is strong, the meteoric source may still act to augment heavy elements mixed up from the deep atmosphere as well as provide nucleation sites for the formation of larger particles. The possible role of the Lorentz drag force in limiting the flow speeds and mixing coefficient for pressures ≲1 mbar is discussed.
GeV Signatures of Short Gamma-Ray Bursts in Active Galactic Nuclei
Authors: Yuan Chengchao , Murase Kohta , Guetta Dafne , Pe’er Asaf , Bartos Imre , Mészáros Péter
Published: June 2022

The joint detection of gravitational waves and the gamma-ray counterpart of a binary neutron star merger event, GW170817, unambiguously validates the connection between short gamma-ray bursts and compact binary object (CBO) mergers. We focus on a special scenario where short gamma-ray bursts produced by CBO mergers are embedded in disks of active galactic nuclei (AGNs), and we investigate the γ-ray emission produced in the internal dissipation region via synchrotron, synchrotron self-Compton, and external inverse Compton (EIC) processes. In this scenario, isotropic thermal photons from the AGN disks contribute to the EIC component. We show that a low-density cavity can be formed in the migration traps, leading to the embedded mergers producing successful GRB jets. We find that the EIC component would dominate the GeV emission for typical CBO mergers with an isotropic-equivalent luminosity of L

j,iso = 1048.5 erg s−1 that are located close to the central supermassive black hole. Considering a long-lasting jet of duration T
dur ∼ 102–103 s, we find that the future Cherenkov Telescope Array (CTA) will be able to detect its 25–100 GeV emission out to a redshift z = 1.0. In the optimistic case, it is possible to detect the on-axis extended emission simultaneously with GWs within one decade using MAGIC, H.E.S.S., VERITAS, CTA, and LHAASO-WCDA. Early diagnosis of prompt emissions with Fermi-GBM and HAWC can provide valuable directional information for the follow-up observations.
Chemical Cartography with APOGEE: Mapping Disk Populations with a 2-process Model and Residual Abundances
Authors: Weinberg David H. , Holtzman Jon A. , Johnson Jennifer A. , Hayes Christian , Hasselquist Sten , Shetrone Matthew , Ting 丁 Yuan-Sen 源森 , Beaton Rachael L. , Beers Timothy C. , Bird Jonathan C. , Bizyaev Dmitry , Blanton Michael R. , Cunha Katia , Fernández-Trincado José G. , Frinchaboy Peter M. , García-Hernández D. A. , Griffith Emily , Johnson James W. , Jönsson Henrik , Lane Richard R. , Leung Henry W. , Mackereth J. Ted , Majewski Steven R. , Mészáros Szabolcs , Nitschelm Christian , Pan Kaike , Schiavon Ricardo P. , Schneider Donald P. , Schultheis Mathias , Smith Verne , Sobeck Jennifer S. , Stassun Keivan G. , Stringfellow Guy S. , Vincenzo Fiorenzo , Wilson John C. , Zasowski Gail
Published: June 2022

We apply a novel statistical analysis to measurements of 16 elemental abundances in 34,410 Milky Way disk stars from the final data release (DR17) of APOGEE-2. Building on recent work, we fit median abundance ratio trends [X/Mg] versus [Mg/H] with a 2-process model, which decomposes abundance patterns into a “prompt” component tracing core-collapse supernovae and a “delayed” component tracing Type Ia supernovae. For each sample star, we fit the amplitudes of these two components, then compute the residuals Δ[X/H] from this two-parameter fit. The rms residuals range from ∼0.01–0.03 dex for the most precisely measured APOGEE abundances to ∼0.1 dex for Na, V, and Ce. The correlations of residuals reveal a complex underlying structure, including a correlated element group comprised of Ca, Na, Al, K, Cr, and Ce and a separate group comprised of Ni, V, Mn, and Co. Selecting stars poorly fit by the 2-process model reveals a rich variety of physical outliers and sometimes subtle measurement errors. Residual abundances allow for the comparison of populations controlled for differences in metallicity and [α/Fe]. Relative to the main disk (R = 3–13 kpc), we find nearly identical abundance patterns in the outer disk (R = 15–17 kpc), 0.05–0.2 dex depressions of multiple elements in LMC and Gaia Sausage/Enceladus stars, and wild deviations (0.4–1 dex) of multiple elements in ω Cen. The residual abundance analysis opens new opportunities for discovering chemically distinctive stars and stellar populations, for empirically constraining nucleosynthetic yields, and for testing chemical evolution models that include stochasticity in the production and redistribution of elements.
Long-term Multiband Near-infrared Variability of the Blazar OJ 287 during 2007–2021
Authors: Gupta Alok C. , Kushwaha Pankaj , Carrasco L. , Xu Haiguang , Wiita Paul J. , Escobedo G. , Porras A. , Recillas E. , Mayya Y. D. , Chavushyan V. , Villarroel Beatriz , Zhang Zhongli
Published: June 2022

We present the most extensive and well-sampled long-term multiband near-infrared (NIR) temporal and spectral variability study of OJ 287, considered to be the best candidate binary supermassive black hole blazar. These observations were made between 2007 December and 2021 November. The source underwent ∼2–2.5 mag variations in the J, H, and Ks NIR bands. Over these long-term timescales there were no systematic trends in either flux or spectral evolution with time or with the source’s flux states. However, on shorter timescales, there are significant variations in flux and spectra indicative of strong changes during different activity states. The NIR spectral energy distributions show diverse facets at each flux state, from the lowest to the highest. The spectra are, in general, consistent with a power-law spectral profile (within 10%) and many of them indicate minor changes (observationally insignificant) in the shift of the peak. The NIR spectra generally steepen during bright phases. We briefly discuss these behaviors in the context of blazar emission scenarios/mechanisms, OJ 287's well-known traditional behavior, and implications for models of the source central engine invoked for its long-term optical semiperiodic variations.
Improved Background Model for the Large Area X-Ray Proportional Counter (LAXPC) Instrument on board AstroSat
Authors: Antia H. M. , Agrawal P. C. , Katoch Tilak , Manchanda R. K. , Mukerjee Kallol , Shah Parag
Published: June 2022

We present an improved background model for the Large Area X-ray Proportional Counter (LAXPC) detectors on board AstroSat. Because of the large collecting area and high pressure, the LAXPC instrument has a large background count rate, which varies during the orbit. Apart from the variation with latitude and longitude during the orbit there is a prominent quasi-diurnal variation which has not been previously modeled. Using over 5 yr of background observations, we determined the period of the quasi-diurnal variation to be 84,495 s and using this period it is possible to account for the variation and also identify time intervals where the fit is not good. These lead to a significant improvement in the background model. The quasi-diurnal variation can be ascribed to the changes in charged particle flux in the near-Earth orbit.
GEOGRAPHY AND INSURGENT STRATEGY IN SRI LANKA AND THE PHILIPPINES
Authors: LALKOVIČ Tomáš
Published: June 2022

The article analyses the influence of geography on the strategy of insurgent groups in Sri Lanka and the Philippines. It uses the conceptualization of geography created by David Galula to examine the influence of 8 distinct categories of geography on the strategy of the Liberation Tigers of Tamil Eelam and the Moro Islamic Liberation Front. The analysis shows that while the geography of Sri Lanka was a driving force that enabled many of the LTTE successes, it had a divisive effect in the Philippines and heavily contributed to the military failures of the Moro independence movement.
CITIZEN PREPAREDNESS TO DEFEND THE STATE AS AN ELEMENT OF THE DEFENSE STRATEGY
Authors: KANDRÍK Matej , PROCHÁZKA Josef , PAPRČKOVÁ Alexandra
Published: June 2022

The article deals with the issue of civil preparedness for the state defence. Authors consider the civil preparedness as an integral part of the comprehensive approach to ensuring the defence of the state and the formulation of a defence strategy. The current dynamics and predictions of the development of the security environment in recent years require an approach change. The article has the ambition to contribute to the professional discussion to strengthen preparedness and increase readiness of citizens to take over their legally defined role in ensuring the defence of the state in a case of need.
Knowledge about Dementia and its Associated Factors: Study among the Middle-aged Population in Indonesia
Authors: Nugraha Susiana , Tondokoro Tsukumi , Susilowati Indri Hapsari , Hasiholan Bonardo Prayoga , Alimoeso Sudibyo , Rahardjo Tri Budi W. , Takagi Kuniyasu , Wada Koji
Published: June 2022

BACKGROUND: Dementia is a general term for loss of memory, language, problem solving, and other thinking skills that can interfere with daily life. Dementia is generally experienced by the older people. Nearly 10 million new cases of dementia reported each year, and more than 50% of dementia patients live in low and middle-income countries. With these potentially increasing number of dementia cases, accurate knowledge about dementia is essential for the community as it could be beneficial for the quality of care and reducing its progression.

AIM: This study aimed to assess knowledge about dementia in the middle-aged age group and to determine the sociodemographic factors associated with knowledge about dementia in Indonesia.

METHODS: A cross-sectional survey targeted the middle-aged population (40–59 years old), using an online questionnaire examining sociodemographic characteristics (age, gender, occupation), living arrangements, and the Dementia Knowledge Assessment Scale.

RESULTS: A total of 1147 respondents were examined, revealing that more than 67% of the participants had poor knowledge about dementia. We revealed that female gender, younger age, and higher occupational level were significantly associated with good knowledge about dementia in various subscales. Interestingly, the living arrangements showed no significant association with knowledge about dementia in any subscale.

CONCLUSION: The results emphasize the importance of intensive public health awareness to improve public knowledge about dementia in Indonesia, specifically targeting men and older individuals, as well as those with lower occupational levels.
Energy Intake and Food Restriction as Determinant Factors of Chronic Energy Deficiency among Pregnant Women in Rural Area of Sungai Sembilan, Riau, Indonesia
Authors: Afrinis Nur , Verawati Besti , Rizqi Eka Roshifita , Lasepa Wanda , Alini Alini , Syuryadi Novfitri
Published: June 2022

BACKGROUND OF THE STUDY: Maternal malnutrition is a major public health problem in Indonesia which is shown by high prevalence of chronic energy deficiency (CED) among pregnant women. CED was expressed by the measurement of Mid Upper Arm Circumference (MUAC) showing value less than 23.5 cm.
AIM OF THE STUDY: This study aimed to identify the factors associated with chronic energy deficiency among pregnant women in rural area, Riau Province.
METHODOLOGY: A community- based cross sectional study was conducted among 130 samples of pregnant women in Sungai Sembilan Community Health Center in June 2020. Data was collected using structured and field-study questionnaires. Mid Upper Arm Circumference (MUAC) was measured by MUAC tape. Energy and protein intake were assessed using 24-hour food recall. Multiple logistic regression was employed to analyse factors associated with CED by using SPSS version 20.
RESULTS: The prevalence of CED among pregnant women was 64.9%. Age of mothers, food restriction, infection disease status, protein and energy intake were associated significantly with CED. Furthermore, energy intake and food restriction in pregnancy were risk factors of CED (AOR = 3.04, 95% CI: 1.1 – 8.3 and AOR = 6.73, 95% CI: 1.33 – 33.9, respectively). We found that proportion of energy intake below 80% RDA and mothers with food restriction were higher among CED group.
CONCLUSION: High prevalence of chronic energy deficiency (CED) was found among pregnant women. Hence, innovative intervention was required to overcome this problem.
Developmental anomalies in the smooth snake, Coronella austriaca Laurenti, 1768 (Squamata, Colubridae) from Poland
Authors: Najbar Bartłomiej , Najbar Anna , Sapikowski Grzegorz , Kolenda Krzysztof , Skawiński Tomasz
Published: June 2022

We present four cases of rare developmental anomalies in the smooth snakeCoronella austriacaLaurenti, 1768 from western Poland. These include brachycephaly, lordosis, a supernumerary row of ‘ventral’ scales, and the third reported case of dicephalism in snakes from Poland. All the cases are supported by X-ray radiography. One of the possible explanations for these anomalies is a low genetic variation in populations from western Poland.
Systematics of Slovenian Dahlica Enderlein, 1912, subgenus Brevantennia Sieder, 1953 (Lepidoptera, Psychidae)
Authors: Rekelj Jurij , Predovnik Željko , Huemer Peter , Lopez-Vaamonde Carlos
Published: June 2022

The subgenus Brevantennia Sieder, 1953 of the genusDahlicaEnderlein, 1912 (Psychidae: Dahlicini) is represented by a group of 10 bagworm moth species, distributed in south-west and south-east Europe northwards to the Alps and Carpathians. This study is a revision of the subgenus Brevantennia species occurring in Slovenia based on our own comprehensive field studies, DNA barcoding and morphological analysis. Dahlica (B.) santicensis (Sieder, 1957) is established asbona spec.and D. (B.) gorskikotarica Weidlich, 2015,syn. nov.is synonymised with D. (B.) santicensis. Both D. (B.) adriatica (Rebel, 1919) and D. (B.) triglavensis (Rebel, 1919) are confirmed to occur in Slovenia. D. (B.) styriaca (Meier, 1957) is excluded from the checklist of Slovenian Lepidoptera fauna.
Phlebotomine sand flies (Diptera, Psychodidae) from Spain: an updated checklist and extended distributions
Authors: Bravo-Barriga Daniel , Ruiz-Arrondo Ignacio , Peña Rosa Estrada , Lucientes Javier , Delacour-Estrella Sarah
Published: June 2022

Phlebotomine sand flies (Diptera: Psychodidae) are the natural vectors of Leishmania spp. (Kinetoplastida: Trypanosomatidae) and phleboviruses (Bunyavirales: Phenuiviridae). In Spain, these vectors appear to be increasing their geographical distribution and have serious repercussions on public and veterinary health, encouraging studies of sand flies and their associated pathogens. An up-to-date and easily accessible compendium of current and historical data on their presence and detailed distribution is a crucial step towards the development and implementation of appropriate preventive strategies. A checklist on the presence and distribution of sand flies in Spain is compiled from data extracted from a comprehensive review of scientific literature published between 1909 and 2021 and our new records on the presence of sand flies specimens collected under the entomological surveillance of bluetongue vectors from the Spanish Ministry of Agriculture, Fishery and Food (MAPA) during the period 2004–2021. In total, 13 Spanish species of sand flies (two of them with controversial status) belonging to two genera and six subgenera are presented in this updated checklist, including new distribution data for seven species, among which several stand out as confirmed or suspected vectors of Leishmania infantum: Phlebotomus ariasi, Ph. langeroni, Ph. mascittii, and Ph. perniciosus.
L'autonomie des parties au procès pénal
Authors: Miniato Lionel
Published: June 2022

En matière pénale, l'autonomie des parties a toujours été une modalité pour se défendre, sauf exceptions tenant à certaines procédures ou à la vulnérabilité des mineurs et des majeurs protégés. Mais cette autonomie était une « fausse autonomie » car la loi réservait parfois l'application du contradictoire aux personnes assistées d'un avocat. Sous l'influence de la Cour européenne des droits de l'homme, l'autonomie a été renforcée pour devenir un véritable principe. Ce renforcement de l'autonomie pour se défendre paraît salutaire puisqu'il permet de garantir l'effectivité du droit à un procès équitable. Pourtant, si on considère que la vulnérabilité doit être entendue au sens large car pouvant aussi être liée aux circonstances, il en résulte que tout justiciable doit être considéré comme vulnérable. Partant, cette autonomie dessert plutôt ses intérêts.
Effect of the COVID-19 Pandemic on Resilience Among Chinese Adolescents and Its Influential Factors: A Longitudinal Study
Authors: Yang Yuqiong , Luo Biru , Zhao Li , Liao Shujuan
Published: June 2022

The current study assessed the effect of the coronavirus disease 2019 (COVID-19) pandemic on resilience among Chinese adolescents and explored its influential factors. A total of 2,359 students were recruited from three middle schools through cluster randomization in Chengdu. Data were collected before and after home confinement due to the COVID-19 pandemic. Resilience, family function, and effect of the pandemic were measured using subscales of the Chinese Positive Youth Development Scale, Chinese Family Assessment Instrument, and Children's Revised Impact of Event Scale. Paired samples
t
test showed resilience decreased significantly after confinement. According to stepwise multiple linear regression, basal resilience, family dysfunction, higher frequencies of hyperarousal symptoms of posttraumatic stress, increased electronic device use, and relationship with caregivers were independent influential factors of resilience. COVID-19 negatively affected adolescents' resilience; therefore, stakeholders need to focus on improving resilience in this population to mitigate mental health impacts of acute stressful events. [
Journal of Psychosocial Nursing and Mental Health Services, 60
(12), 31–37.]
Effects of Psychoeducation on People With Schizophrenia in Long-Term Care: An Intervention Study
Authors: Alhadidi Majdi , Hadid Lourance Abdel Razzaq Al , Danaee Mahmoud , Abdullah Khatijah Lim , Yoong Tang Li
Published: June 2022

The aim of the current study was to examine the effect of a psychoeducation intervention on knowledge, insight, and internalized stigma among people with schizophrenia in a long-term care (LTC) facility in Jordan. This study was conducted based on cluster randomization using a pre- and post-test design. The intervention group (
n
= 66) received seven sessions about schizophrenia over a 3-week period along with usual treatment. The control group (
n
= 56) received usual treatment only. The psychoeducation intervention significantly improved knowledge (15.5%) and insight (22.5%) and reduced stigma (18%) among participants in the intervention group compared to the control group (2.6%, 4.7%, and 3.6%, respectively). This study shows the importance of integrating psychoeducation interventions in routine care for people with schizophrenia in LTC. [
Journal of Psychosocial Nursing and Mental Health Services, 61
(2), 9–18.]
Global attractor for the periodic generalized Korteweg-De Vries equation through smoothing
Authors: McConnell Ryan
Published: June 2022

We establish a smoothing result for the generalized KdV (gKdV) on the torus with polynomial non-linearity, damping, and forcing that matches the smoothing level for the gKdV at \begin{document}$ H^1 $\end{document}. As a consequence, we establish the existence of a global attractor for this equation as well as its compactness in \begin{document}$ H^s(\mathbb{T}) $\end{document}, \begin{document}$ s\in (1, 2). $\end{document}
Optical solitons and single traveling wave solutions of Biswas-Arshed equation in birefringent fibers with the beta-time derivative
Authors: Han Tianyong , Li Zhao , Yuan Jun
Published: June 2022

This article describes the construction of optical solitons and single traveling wave solutions of Biswas-Arshed equation with the beta time derivative. By using the polynomial complete discriminant system method, a series of traveling wave solutions are constructed, including the rational function solutions, Jacobian elliptic function solutions, hyperbolic function solutions, trigonometric function solutions and inverse trigonometric function solutions. The conclusions of this paper comprise some new and different solutions that cannot be found in existing literature. Using the mathematic software Maple, the 3D and 2D graphs of the obtained traveling wave solutions were also developed. It is worth noting that these traveling wave solutions may motivate us to explore new phenomena which may be appear in optical fiber propagation theory.
Double controlled $ M $-metric spaces and some fixed point results
Authors: Uddin Fahim , Adeel Faizan , Javed Khalil , Park Choonkil , Arshad Muhammad
Published: June 2022

In this article, we introduce the idea of double controlled $ M $-metric space by employing two control functions $ a(u, w) $ and $ \beta (w, v) $ on the right-hand side of the triangle inequality of $ M $-metric space. We provide some examples of double controlled $ M $-metric spaces. We also provide some fixed point results under new type of contractions in the setting of double controlled $ M $-metric spaces. Moreover, we give an example to highlight the importance of one of our main results.
Statistical modelling for a new family of generalized distributions with real data applications
Authors: Bakr M. E. , Al-Babtain Abdulhakim A. , Mahmood Zafar , Aldallal R. A. , Khosa Saima Khan , Abd El-Raouf M. M. , Hussam Eslam , Gemeay Ahmed M.
Published: June 2022

The modern trend in distribution theory is to propose hybrid generators and generalized families using existing algebraic generators along with some trigonometric functions to offer unique, more flexible, more efficient, and highly productive G-distributions to deal with new data sets emerging in different fields of applied research. This article aims to originate an odd sine generator of distributions and construct a new G-family called "The Odd Lomax Trigonometric Generalized Family of Distributions". The new densities, useful functions, and significant characteristics are thoroughly determined. Several specific models are also presented, along with graphical analysis and detailed description. A new distribution, "The Lomax cosecant Weibull" (LocscW), is studied in detail. The versatility, robustness, and competency of the LocscW model are confirmed by applications on hydrological and survival data sets. The skewness and kurtosis present in this model are explained using modern graphical methods, while the estimation and statistical inference are explored using many estimation approaches.
On degree–based topological indices of random polyomino chains
Authors: Sigarreta Saylé C. , Sigarreta Saylí M. , Cruz-Suárez Hugo
Published: June 2022

In this article, we study the degree-based topological indices in a random polyomino chain. The key purpose of this manuscript is to obtain the asymptotic distribution, expected value and variance for the degree-based topological indices in a random polyomino chain by using a martingale approach. Consequently, we compute the degree-based topological indices in a polyomino chain, hence some known results from the existing literature about polyomino chains are obtained as corollaries. Also, in order to apply the results, we obtain the expected value of several degree-based topological indices such as Sombor, Forgotten, Zagreb, atom-bond-connectivity, Randić and geometric-arithmetic index of a random polyomino chain.
Periodic functions related to the Gompertz difference equation
Authors: Cuchta Tom , Wintz Nick
Published: June 2022

We investigate periodicity of functions related to the Gompertz difference equation. In particular, we derive difference equations that must be satisfied to guarantee periodicity of the solution.
Long noncoding RNA HULC is an independent predictor of COVID-19 severity and mortality in relation to microRNA-9 and IL-6
Authors: Esawy Marwa M. , Abd-elhameed Amir , Abdallah Alshimaa L. , Alsadik Maha E. , Abd elbaser Elsayed S. , Shabana Marwa A. , Abdullah Rania M.
Published: June 2022

LncRNA HULC regulates inflammation in vascular endothelial cells resulting in their dysfunction. Endothelial dysfunction contributes to severe COVID-19. lncRNA HULC targets miRNA-9 that play roles in the pathogenesis and progression of COVID-19 through the acute inflammatory response mediated by IL-6. This study aimed to evaluate the role of lncRNA HULC, miRNA-9, and IL-6 in estimating the severity and predicting the prognosis of COVID-19. There were 38 non-severe, 38 severe COVID-19 patients, and 38 healthy controls enrolled in this study. Expression of lncRNA HULC and miRNA-9 was performed using RT-qPCR. ELISA was utilized to measure serum IL-6. Expression of lncRNA HULC and IL-6 level were increased in severe patients compared to non-severe patients and controls (p < 0.001). MiRNA-9 showed the lowest expression levels in the severe patients in comparison with non-severe patients and controls (p < 0.001) lncRNA HULC was negatively correlated with miRNA-9 (p < 0.001, r = −0.582) and positively correlated with IL-6 (p < 0.001, r = 0.567). Furthermore, miRNA-9 showed a negative correlation with IL-6 (p < 0.001, r = −0.0466). For severity prediction, lncRNA HULC expression had an adjusted OR of 52.5 (95% CI: 1.43−192.2, p = 0.031). The lncRNA HULC had an adjusted mortality hazard ratio of 1.9 (95% CI: 1.02−3.56, p = 0.043) after the adjustment of IL-6. So, in COVID-19 patients, the lncRNA HULC had a positive correlation with IL-6 and a negative correlation with miRNA-9. The COVID-19 severity and mortality appear to be predicted independently by the lncRNA HULC.
Gradient flow formulation of diffusion equations in the Wasserstein space over a Metric graph
Authors: Erbar Matthias , Forkert Dominik , Maas Jan , Mugnolo Delio
Published: June 2022

This paper contains two contributions in the study of optimal transport on metric graphs. Firstly, we prove a Benamou–Brenier formula for the Wasserstein distance, which establishes the equivalence of static and dynamical optimal transport. Secondly, in the spirit of Jordan–Kinderlehrer–Otto, we show that McKean–Vlasov equations can be formulated as gradient flow of the free energy in the Wasserstein space of probability measures. The proofs of these results are based on careful regularisation arguments to circumvent some of the difficulties arising in metric graphs, namely, branching of geodesics and the failure of semi-convexity of entropy functionals in the Wasserstein space.
Differential Privacy and Bayesian for Context-Aware Recommender Systems
Authors: Yang Shuxin , Zhu Kaili
Published: June 2022

Incorporate contextual information into recommendation systems can obtain better accuracy of recommendation, however, the users’ individual privacy may be disclosed by attackers. In order to resolve this problem, the authors propose a context-aware recommendation system that integrates Differential Privacy and Bayesian Network technologies (DPBCF). Firstly, the paper uses k-means algorithm to cluster items to relieve sparsity of rating matrix. Next, for the sake of protecting users’ privacy, the paper adds Laplace noises to ratings. And then adopts Bayesian Network technology to calculate the probability that users like a type of item with contextual information. At last, the authors illustrate the experimental evaluations to show that the proposed algorithm can provide a stronger privacy protection while improving the accuracy of recommendations.
Study on Clove Oil Microcapsule with Montmorillonite /Polyurethane Hybrid Wall
Authors: Wang Hui , Shao Dong Xu , Bai Yan
Published: June 2022

The microcapsules with inorganic/organic composites as capsule wall were prepared to optimize the performance of microcapsules. The MMT stabilized Pickering emulsion was used as template in the interfacial polymerization. TDI and EDA were polymerized at the oil-water interface to form MMT/PU composite as the capsule wall to encapsulate clove oil. Under the process condition of the dosage ratio of clove oil to TDI 5:1, the content of MMT 2%, and the reaction temperature 70 °C, the embedding rate of microcapsule could reach 92.31%. The average volume diameter of microcapsules was 49.4 μm. The microcapsules were regular and basically spherical shape, smooth surface and high elasticity. TGA showed that the thermal stability of essential oil was improved. The retention rates of clove oil in microcapsules after 40 days storage at 4 °C and 25 °C were more than 80%, indicating that clove oil microcapsules were relatively stable. The relative content of eugenol, the main component in clove oil decreased after storage, while the relative content of secondary components increased.
Sintering Temperature Effects on Photocatalytic Activity of SrTi0.80Mn0.20O3
Authors: Afriani Rindhi , Sandi Dianisa Khoirum , Nurosyid Fahru , Iriani Yofentina
Published: June 2022

SStrontium titanate (STO) is well recognized as promising perovskite photocatalytic material. The catalytic characteristics of STO can be improved by modification with Mn metal. In this study, SrTi0.80Mn0.20O3 has been successfully fabricated using coprecipitation technique with varied sintering temperatures of 700°C, 800°C, 900°C, and 1000°C. This study aimed to investigate the effect of sintering temperature on the photocatalytic activity of SrTi0.80Mn0.20O3. The photocatalyst activity of SrTi0.80Mn0.20O3 could be observed by the degradation of Methylene blue (MB) dye. Based on the X-Ray Diffraction (XRD) and Fourier Transform Infra-Red (FTIR) data, the SrTi0.80Mn0.20O3 has been made. The data also showed that the impurities phases have been reduced and eliminated by the higher sintering temperatures. Nevertheless, all varied samples of the SrTi0.80Mn0.20O3 have successfully exhibited their photocatalyst activity by degrading the MB dye under UV light irradiation with irradiation times of 0, 1, 2, 3, 4, 5, and 6 hours. According to the UV-Vis absorption data, the irradiation time could considerably decline the absorption peaks of MB dye in SrTi0.80Mn0.20O3. Besides, the higher sintering temperature did not influence the absorption peaks position but slightly changed their intensity (at the same irradiation time). Furthermore, the higher sintering temperature and longer irradiation time tended to produce higher DR% of up to 66.63%.
A Perspective on Metamaterials for the Biomechanics Application: Multi-Material Metamaterial (4M) Structures
Authors: Azadi Mohammad
Published: June 2022

Designers are still seeking novel, smart and advanced materials. Moreover, a designed geometry for special purposes is also required for structures. In this regard, metamaterials are artificial structures with optimized topology. Furthermore, the multi-material metamaterial (4M) structure could be a frontier technology in different industries, especially in biomechanics, which provides various functions. In this short perspective, 4M structures have been introduced by emphasizing the application of bones and implants. Under cyclic loading, such a smart material should be topology-optimized with the objective of fatigue properties, the fretting fatigue lifetime, reliability, and weight. In addition, the constraint in this finite element modeling-based multi-objective optimization is the strength or the deformation of the structure.
Tensile Strength and Morphological Behavior of Treated Oil Pam Empty Fruit Bunch Particle Reinforced Polymeric Composite
Authors: Wong Dominick , Anwar Mahmood , Debnath Sujan , Hamid Abdul , Izman Sudin , Basak A.K. , Pramani Alokesh
Published: June 2022

Numerous literatures have suggested that the use of natural fiber as filler can improve the mechanical properties of a polymer composite. Oil palm empty fruit bunch fibers (OPEFB) are no exception and have shown to exhibit good mechanical properties, with the potential to produce environmentally friendlier composites. In this study, the tensile strengths and morphologies of micro OPEFB filled composites with varying loadings (0.3125 wt% to 10 wt%) were investigated. It was found that increasing content of OPEFB reduces the translucency of the composite almost linearly. It was also revealed that the addition of 0.3125 wt% to 2.5 wt% has a reinforcing effect, observing improvement up to 17.4% compared to its neat condition. Such findings would facilitate the development of an effective OPEFB reinforced polymeric nanocomposite.
Development of Non-Platinum Metal Catalysts for Anion Exchange Membrane Fuel Cells
Authors: Truong Van Men , Le Thanh Quang , Le Thanh Nhan , Duong Ngoc Bich , Tang Tan Minh
Published: June 2022

The development of non-platinum metal catalysts used in anion exchange membrane fuel cells (AEMFCs) has been considered as a key to bring the fuel cell devices to practical applications. This paper presents the achievement in developing non-platinum metal catalysts including bimetallic palladium-nickel nanoparticles attached on Vulcan carbon particles (PdNi/C) and silver nanoparticles supported on multi-walled carbon nanotubes (Ag/MWCNT) employed in the anode and cathode electrodes of AEMFCs, respectively. These catalysts were synthesized by a wet impregnation method. The SEM analysis showed that the nanoparticle sizes of Pd, Ni, and Ag were less than 50 nm. The electrochemical characterizations of the synthesized PdNi/C and Ag/MWCNT were explored by cyclic voltammetry measurements. In addition, the prepared catalyst performance was evaluated using a single anion exchange membrane fuel cell (AEMFC). The measured results showed that the cell performance of a single H2/O2 AEMFC with PdNi/C and Ag/MWCNT in anode and cathode electrodes, respectively, exhibited a peak power density of about 463 mW·cm-1, which was lower about 24.1% than that of the single-cell containing Pt/C (~610 mW·cm-1) at both anode and cathode sides, indicating that the PdNi/C và Ag/MWCNT catalysts can be used to substitute Pt/C in AEMFCs for cost reduction.
Comparative Effect of Centrifugation on Sperm Viability of FUNAAB Alpha Chickens During Slow and Rapid Freezing Protocols
Authors: Ndubuisi-Ogbonna Lois Chidinma , Daramola James O. , Akintunde Adeyinka Oye , Abdullah Abdur-Rahman , Wheto Mathew , Ojo Stephen Temitope , Adighibe Benjamin Kelechi
Published: June 2022

The aim of this study was to compare the effects of centrifuging FUNAAB Alpha chickens during slow and rapid freezing protocols on sperm quality endpoints in cryopreserved chicken sperm. For this experiment, ejaculates from thirty cocks 25-30 weeks old with normal feather, naked neck, and frizzle feather from FUNAAB alpha chickens were pooled and frozen in Tris-extenders before being thawed and evaluated. The semen samples were split into two groups. The first part was washed with regular saline water and centrifuged at 500xg for 5 minutes to extract the seminal plasma, while the second part remained unwashed. Washed and unwashed sperm samples were cryopreserved using slow and rapid cryoprotocols, and then sperm viability was assessed. Two-way ANOVA was used to analyze the data. Results showed higher (p<0.05) motility for slow freezing (SF) cryoprotocols compared to samples subjected to rapid freezing (RF) for unwashed and washed spermatozoa. In washed spermatozoa, SF livability was found to be higher (p<0.05) than RF. Unwashed spermatozoa subjected to RF had higher membrane integrities (p<0.05) than unwashed spermatozoa subjected to SF and washed SF and RF cryoprotocol. Washed sperm subjected to SF cryoprotocol had lower malondialdehyde concentration (MDA) concentrations (p<0.05) than washed sperm subjected to RF cryoprotocol, but were equivalent to unwashed sperm subjected to RF cryoprotocol. In both the SF and RF cryoprotocols, seminal leukocytes in washed and unwashed semen samples were comparable. In conclusion, removal of seminal plasma did not increase the viability of the spermatozoa using slow freezing cryoprotocols.