bluuebunny/crossref_metadata_2025 huggingface dataset:
Menstrual Hygiene and Myths Associated with it among Adolescent Girls: A Quantitative Study in Coastal Karnataka
Authors: Prashant M Naik  , Akankshya Panda  , Abhishek M Prayag  , Naveenkumar G Havale  , Manjula M Naik
Published: December 2022

Introduction: India has largest adolescent population in world, every month 1.8 billion people across the world menstruate. The onset of menstruation means new phase and vulnerabilities in the lives of adolescents. Although menstruation is a natural process, it is linked with several perceptions and practices within the community, which sometimes may result in adverse health outcomes. SGD 6.2 acknowledges right to menstrual health and hygiene.Objectives: To assess knowledge regarding menstrual hygiene and myths associated with it among adolescent girls. Methodology: Community based cross sectional study among 298 adolescent girls. Information was collected using semi-structured and pre tested questionnaire. The data analyzed using Epi-info 7.2 and results interpreted in percentages and proportions.Results: Mean age of menarche is 12.7 ± 1.7 years. 68.5% of study participants knew about menstruation before menarche. Mothers (41.6%) were source of information regarding knowledge about menstruation. 94.3% used sanitary napkin as absorbent. Girls had multiple restrictions.Conclusion: Majority knowing about menstruation before menarche and understanding that it is a physiological process. Majority using sanitary napkins as absorbent emphasising the good menstrual hygiene practices. But sill myths associated with it like the age old practice of following certain restriction is observed.
Prevalence of Psychological Stress among Undergraduate Medical Students in Southern District of Karnataka
Authors: Rajashree Kotabal  , Kruthika K  , Jayashree K
Published: December 2022

Background: Medical students experience more stress because of the vast medical syllabus, immense academic workload, inter and intrapersonal issues and motivation-related hurdles, financial and personal reasons.Objectives: To assess the prevalence of stress and stressors among undergraduate medical students and to find thefactors affecting their levels of stress.Methodology: A cross-sectional study was conducted among Phase 1 to 3 medical students of Kodagu Institute of Medical Sciences, Madikeri, Karnataka for a period of 2 months. The data was collected using standard Medical Student Stressor Questionnaire and Perceived Stress Scale questionnaire. Results: Out of 386 students 16.6%,76.7% and 6.7% of the students were suffering from High, Moderate and Low stress respectively. Academic-related stressors were causing more stress and least by Drive and Desire Related Stressors. Medical students with >20 years of age group, females, final year students, and occupation of their father being doctor showed significant association with the level of stressConclusion: In our study, 93.3% of the students were suffering from stress. Academic-related stressors were the major causes of stress among medical students. Logistic regression analysis depicts that a significant association was present between the level of stress and female students, final year MBBS students
Comparison of NABH and AB-PMJAY Quality Standards for Accreditation in a Tertiary Care Medical hospital
Authors: Susmit Jain  , Greenal Lodha
Published: December 2022

Background: Quality Improvement (QI) is the organised approach to design and apply constant development inperformance. QI in hospitals increase patient satisfaction, staff satisfaction as well as the quality of care providedby an organisation. In India quality of hospitals is assessed by different standards which primarily included thoselaid down by National Accreditation Board for Hospitals & Healthcare Providers (NABH), which were introducedin 2006 by Quality Council of India (QCI). In 2018, National Health Authority (NHA), introduced AyushmanBharat Pradhan Mantri Jan Arogya Yojana (AB – PMJAY) Quality Certification standards, in collaboration withQuality Council of India (QCI), for enhancing patient satisfaction and improving quality standards across thehospitals.Objectives: The study was carried out with the objective to compare the AB-PMJAY Gold standard with NABH 5thEdition, and to identify challenges faced by hospitals for ensuring compliance to these standards.Methods: The study design was descriptive cross sectional and was carried in a multi-specialty hospital inRajasthan in 2022. The study was carried out with the objective to find out similarities and differences in ABPMJAYand NABH standards. All the 5 chapters (Key Inputs, Clinical Service, Support Services, Patient Care,Health Outcomes) and 53 quality standards of AB-PMJAY were included in the study. Similarly, all the 10 chaptersof NABH 5th Edition, including all 100 standards and objective elements were 651 were included in the study.The study was carried out in quality department of a hospital for preparing the hospital team for NABH and ABPMJAYaccreditation.Results: It is found that AB-PMJAY broadly covers all the quality standards of NABH. Some of the challengesidentified in implementation of NABH standards were that it requires more documentation, skilled staff, trainingneed with skilled trainer/coordinator, and the NABH standards are very elaborative and descriptive. Thechallenges in implementation of AB-PMJAY Gold standards were that to achieve them, hospital have to makeimprovement in their structural, procedural, and clinical outcomes. The similarities of the standards were thatboth AB-PMJAY and NABH are constituent board of Quality Council of India (QCI), and both have common targetof improving patient’s safety and quality of care. The differences include that in more documentation is required in NABH in compared to AB-PMJAY, NABH requires skilled staff, it is more descriptive and elaborative, andhospitals require certified NABH co-ordinator for implement NABH standards. NABH comprises of indicatorsand AB-PMJAY says to do things. There are more financial resources required in implementation of NABH.Conclusion: The hospital’s with NABH’s full accreditation can directly apply for AB-PMJAY Gold qualitycertification.
A Comparative Study to Find the Effect of Aerobic Exercise Training Versus Resistance Exercise Training in Adults with Pre-Hypertension
Authors: Swati Sehgal  , Jeban Daniel  , Mayuri Sharma
Published: December 2022

Background and Objectives: In 2003, the Seventh Report of the Joint National Committee (JNC 7) definedprehypertension as a systolic blood pressure (BP) of 120–139 mmHg or a diastolic BP of 80–89 mmHg in adults18 years and older. Prehypertension seems indeed to be a precursor of hypertension, associated with manyadverse outcomes. The conversion rate of prehypertension to hypertension over 4 years was 30%. Many studieshave focused also on the predictors of progression from prehypertension to hypertension. However, the resultswere controversial, and Therefore, we performed this study in order to find out and compare the effect of aerobicand resistance exercise training in adults with prehypertension.Method: This study was done on 40 subjects who were randomly divided into two groups, Group A (N=20) with mean age49.45 (SD±5.586) and Group B (N=20) with mean age 45.25 (SD±4.375) where Group A was given aerobic exercise andGroup B was given resistance exercise. The outcome measure was taken as BP. Exercise session for both group was for 5 days(40minute/day) per week for 4 weeks.Result: Statistical analysis was done using SPSS version. The paired ‘t’ test was used to find the effect of aerobic andresistance exercise in prehypertension. Result showed significant reduction in blood pressure in both group. in aerobic groupthe pre and post effect of aerobic exercise is mean=2.30,SD=1.658 since the significance value for changes in all measurementare less then 0.05(p=0.00) and the average difference in 3.25 per subject in aerobic group and in resistance group the pre andpost effect of resistance exercise is mean=2.50,SD=1.638 since the significance value for changes in all measurement are lessthen 0.05(p=0.00) and the average difference of 2.95 per subject in resistance group. These result showed significant reductionin BP (p˂0.05) in both aerobic and resistance group.Conclusion: The study concluded that the aerobic exercise and resistance exercise both were effective inprehypertension. And these results also suggest that there are no significant comparative difference betweenaerobic and resistance group.
Correlation of Socio Cultural Factors in Patients of Pelvic Inflammatory Diseases
Authors: Uzma Eram  , Nema Usman  , Najam khalique
Published: December 2022

Majority of the patients of PID are from low socio economic status. Unhygienic delivery, post partum infection,unsafe abortion procedures are observed to be linked to pelvic infection.The sequele to PID include chronicabdominal pain, infertility, ectopic pregnancy, etc. PID is the most serious complication of Sexually TransmittedDiseases. It is also related to the number of sexual partners. Social factors are very important in PID like age,educational status, marital status,socio economic status, religion, type of family etc. The present cross-sectionalstudy was conducted in Gynaecological OPDs of the Department of Obstetrics and Gynaecology, Rural and UrbanHealth Training Centres (R.H.T.C & U.H.T.C) of the Department of Community Medicine in JN Medical College,AMU, Aligarh.The study was carried out for a period of one year, from 1st August 2001 to 31st July 2002. A totalof 350 ever married females were selected on the basis of history of PID elicited. The aim of this study was to findthe correlation of socio cultural factors in patients of PID. This study reported that unhygienic deliveries may giverise to more chances of pelvic infection. It also reported that abortion rate is more in lower social classes(III-V). Themaximum cases of infertility were seen in the age group 25-29 years (37 cases).There were 51 cases presenting withprimary infertility and 9 cases of secondary infertility. Damage to the female reproductive tract from PID is usuallyirreversible; therefore, prompt antibiotic treatment is necessary to prevent any scarring of the reproductive tract.
Algorithms for the adaptive assessment of procedural knowledge and skills
Authors: Brancaccio Andrea , de Chiusole Debora , Stefanutti Luca
Published: December 2022

Procedural knowledge space theory (PKST) was recently proposed by Stefanutti (British Journal of Mathematical and Statistical Psychology, 72(2) 185–218, 2019) for the assessment of human problem-solving skills. In PKST, the problem space formally represents how a family of problems can be solved and the knowledge space represents the skills required for solving those problems. The Markov solution process model (MSPM) by Stefanutti et al. (Journal of Mathematical Psychology, 103, 102552, 2021) provides a probabilistic framework for modeling the solution process of a task, via PKST. In this article, three adaptive procedures for the assessment of problem-solving skills are proposed that are based on the MSPM. Beside execution correctness, they also consider the sequence of moves observed in the solution of a problem with the aim of increasing efficiency and accuracy of assessments. The three procedures differ from one another in the assumption underlying the solution process, named pre-planning, interim-planning, and mixed-planning. In two simulation studies, the three adaptive procedures have been compared to one another and to the continuous Markov procedure (CMP) by Doignon and Falmagne (1988a). The last one accounts for dichotomous correct/wrong answers only. Results show that all the MSP-based adaptive procedures outperform the CMP in both accuracy and efficiency. These results have been obtained in the framework of the Tower of London test but the procedures can also be applied to all psychological and neuropsychological tests that have a problem space. Thus, the adaptive procedures presented in this paper pave the way to the adaptive assessment in the area of neuropsychological tests.
Rapid, reliable mobile assessment of affect-related motor processing
Authors: Howlett Jonathon R. , Larkin Florence , Touthang James , Kuplicki Rayus T. , Lim Kelvin O. , Paulus Martin P.
Published: December 2022

Mobile technologies can be used for behavioral assessments to associate changes in behavior with environmental context and its influence on mental health and disease. Research on real-time motor control with a joystick, analyzed using a computational proportion-derivative (PD) modeling approach, has shown that model parameters can be estimated with high reliability and are related both to self-reported fear and to brain structures important for affective regulation, such as the anterior cingulate cortex. Here we introduce a mobile version of this paradigm, the rapid assessment of motor processing (RAMP) paradigm, and show that it provides robust, reliable, and accessible behavioral measurements relevant to mental health. A smartphone version of a previous joystick sensorimotor task was developed in which participants control a virtual car to a stop sign and stop. A sample of 89 adults performed the task, with 66 completing a second retest session. A PD modeling approach was applied to compute Kp (drive) and Kd (damping) parameters. Both Kp and Kd exhibited high test-retest reliabilities (ICC .81 and .78, respectively). Replicating a previous finding from a different sample with the joystick version of the task, both Kp and Kd were negatively associated with self-reported fear. The RAMP paradigm, a mobile sensorimotor assessment, can be used to assess drive and damping during motor control, which is robustly associated with subjective affect. This paradigm could be useful for examining dynamic contextual modulation of affect-related processing, which could improve assessment of the effects of interventions for psychiatric disorders in a real-world context.
EFFECT OF ISO 9001: 2008 ON THE MOTIVATION AND PERFORMANCE OF STUDY EMPLOYEES AT THE STATE CIVIL SERVICES OFFICE CLASS 1 IMMIGRATION SURABAYA
Authors: Fuadiputra Iqbal Ramadhani
Published: December 2022

This research is interesting to discuss the effect of ISO 9001:2008 on employee performance and employee motivation in the State Civil Apparatus (ASN) office. Surabaya City 1st class immigration service. In this study, the method used is a quantitative approach with the type of explanatory research. The sampling technique was based on purposive sampling with a total of approximately 70 civil servants. The data collection technique used a questionnaire and documentation, while the data analysis technique used in this study was a statistical test using SmartPLS. The results of this study indicate that the ISO 9001:2008 quality management standard influences employee motivation and performance in the level 1 immigration office in Surabaya. The results also show that one of the variable dimensions is an infrastructure dominant in employee motivation and performance. Performance in public services is one of the outputs produced and shows the quality of an organization. Public services in a government office have always been in the spotlight by some people. This condition causes the need for quality improvement and quality in public service management standards. To improve the quality, you can use the ISO 9001:2008 quality management system. In addition to performance, the change in motivation that is built up from the organization is also one of the impacts of the role of the ISO 9001 quality management system.
PENGARUH KEPUASAN PELANGGAN TERHADAP MINAT BELI ULANG PRODUK SOMETHINC
Authors: Salsabila Clarisa , Umbara Taufan , Setyorini Retno
Published: December 2022

This study is motivated by the phenomenon of a shift in customer interest in reference on beauty products, which initially prefer to use beauty products from internasional brand, recently preferring to use local beauty products from Indonesia. This study aims to determine what dimensions of customer satisfaction have an effect on repurchase interest in Somethinc’s products.The method used is quantitative research with descriptive type. Multiple linear regression analysis was used as a data analysis technique. The sampling technique used is non-probability sampling with purposive sampling method. This study managed to collect 300 respondents.The descriptive analysis that has been successfully summarized states that product quality, service quality, and repurchase interest are in the good category. Meanwhile, the variables of emotion and ease are included in the very good category. This study also concludes that both simultaneously and partially customer satisfaction has a significant effect on repurchase interestsby 64.2%. The remaining 35.8% is influenced by other variables not examined and explained by this study.
ANALISIS CULTURE SHOCK PADA PEGAWAI DI ERA NEW NORMAL
Authors: Dianingrum Sekar Kama , Sitorus Onny Fitriana
Published: December 2022

This study aims to determine the impact of culture shock on employees of the Ministry of Agriculture in the new normal era. This research uses descriptive qualitative research methods. The data using primary data is conducting interviews with employees of Kementerian Pertanian and secondary data using literature and documentation relevant to the problem taken. Data analysis is carried out through the stages of Data Reduction, Data Presentation and conclusion. The work from home system is allowed in a sector that focuses on services. Differences in work culture will cause the impact of culture shock which is characterized by a sense of anxiety and fear, to find out the result, researchers use ABC theory in culture shock. The results of this study show that the culture shock that comes from the interpersonal of employees who are dominated by Behavior component includes communication and coordination that has not been effective due to the implementation of 50% WFO and 50% WFH, services that have not been delivered optimally, fear of the spread of the virus from colleagues, and have not been able to adjust homework and offices for female employees. This is because employees are able to adjust to the new normal era.
STRATEGI PELAYANAN SEKRETARIAT DEWAN PERWAKILAN RAKYAT KABUPATEN ACEH SELATAN
Authors: Tanjung Fanni Marishah , Fadhly Zuhrizal
Published: December 2022

This study aims to find out what strategies the South Aceh DPRK Secretariat has implemented in providing services in accordance with their respective functions and duties and to analyze the extent to which the implementation of the strategy has been carried out. The research method used is a qualitative method. The data sources used are primary and secondary. Data analysis techniques used in the study include: data reduction, data presentation and drawing conclusions. The results showed that the Secretariat of the DPRK Aceh Selatan had implemented various strategies in solving the problems faced, both from the structure development strategy, the development strategy or simplification of the procedure system, the infrastructure development strategy and the culture development strategy. However, in several programs in the strategy items, the implementation has not been fully maximized, including the employee comparative study program which has not been maximally implemented and in the aspect of giving awards to employees who excel, there has not been a written reward set, there are still problems with processing time in proposing damaged facilities and infrastructure so that interfere with employee work. The conclusion that can be drawn from the research is that the secretariat has implemented a service strategy, but its implementation has not been fully maximized.
PENGARUH STRES KERJA, MOTIVASI KERJA DAN DISIPLIN KERJA TERHADAP KINERJA PEGAWAI DI KANTOR KELURAHAN SUDIROPRAJAN
Authors: Lotu Natalia Adolfia , Widodo Zandra Dwanita , Sumarto Laksono
Published: December 2022

The purpose of this study was to determine that: (1) the effect of work stress on employee performance, (2) the effect of work motivation on employee performance, (3) the effect of work discipline on employee performance, (4) the effect of the three variables together on employee performance. This research is aquantitative research. Quantitative research is are search method used to examinea particular populationor sample by using a survey method sourced from employee data at the Sudiroprajan sub-district office. The conclusions of this study are: t test shows that work stress, work motivation, work discipline togetherhave a significant effect on employee performance. Determinant test shows 64.8% results, it can beconcluded that the ability of work stress variables, work motivation and discipline work by 64.8% inimproving employee performance. Job stress is the most dominant variable of the two variables that significantly affect employee performance variables.
PENGARUH KUALITAS PRODUK, HARGA DAN ULASAN PRODUK TERHADAP KEPUTUSAN PEMBELIAN DI SHOPEE (Studi Kasus Pada Brand Manly Cloth di Kota Sukoharjo)
Authors: Wibowo Fajar Tri , Wijiastuti Sri
Published: December 2022

This study aims to determine the effect of product quality, price and product reviews on purchasing decisions at Shopee (a case study on the Manly Cloth brand in the city of Sukoharjo). The use of the method to determine the sample is in the form of a non-probability sampling technique with a purpose sampling method so that a number of 100 respondents are obtained. Respondent data was obtained by distributing questionnaires that had been compiled to respondents through online media. From a population of 100 people, using probability sampling technique. The number of samples obtained is 100 people. The analysis used is multiple linear regression using SPSS Version 26. Based on the results of the analysis, it is known that the influence of product quality, price and product reviews has a positive and significant effect on purchasing decisions at Shopee on the Manly Cloth brand in Sukoharjo.
EVALUASI KINERJA KPU KABUPATEN OGAN KOMERING ULU DALAM SOSIALISASI PEMILIHAN SERENTAK TAHUN 2020
Authors: Yunika Feni
Published: December 2022

The purpose of this study was to analyze the evaluation of the performance of the OKU Regency KPU in socializing and the obstacles faced in the implementation of the simultaneous election socialization in 2020. The method used was descriptive qualitative. Data collection is done by interview. Since the stipulation of the 2020 Simultaneous Elections on September 23, 2020 and the onset of the Covid-19 pandemic, so that the election was postponed to December 9, 2020. Covid-19 as a global pandemic has changed the situation and conditions in the implementation of simultaneous elections. Socialization is an important stage to convey information related to the election. Based on the results of the analysis that has been carried out, the conclusion of this study is that the evaluation of the performance of the OKU Regency KPU in the socialization of the 2020 simultaneous elections was not optimal so that the level of community participation decreased and the existence of Covid-19 health protocol regulations that limited the number of participants and time in socialization became obstacles in the implementation of socialization.
ANALISIS PENGARUH DISIPLIN KERJA, PENGALAMAN KERJA, UPAH DAN UMUR TERHADAP KINERJA KARYAWAN INDUSTRI KREATIF
Authors: Widodo Zandra Dwanita , Wijiastuti Sri , Adiyani Rini , Husin Syahri Al , Darsono Darsono , Zailani Abdullah
Published: December 2022

This study aims to analyze the effect of work discipline, work experience, wages and age on improving the performance of creative industry employees at Ndalem Kaos Production Sukoharjo, Central Java, Indonesia. In achieving the objectives of this study, researchers used quantitative research methods. Improved employee performance can be optimized in terms of efficiency and effectiveness of the production process from time to time. Optimizing employee performance is an important element in the company that must be considered. The company always strives to optimize employee performance and realize the company's vision and mission. Data collection in this study used a questionnaire which was distributed directly to 40 respondents at Ndalem Kaos Production in Sukoharjo, Central Java. The results of this study show that the variables of work discipline, work experience and wages have a significant and positive effect on the productivity of creative industry employees, Ndalem Kaos Production in Sukoharjo, Central Java. Meanwhile, the age variable has no significant effect on the productivity of the Ndalem Kaos Production creative industry employees in Sukoharjo.
¿Realmente invertimos en conservar las áreas protegidas? El modelo de conservación setenta/treinta en Argentina
Authors: Martín Guillermo
Published: December 2022

Con los ambientes naturales del planeta reduciéndose y los sistemas nacionales de áreas protegidas en expansión como estrategia internacional para impedirlo, los consensos internacionales avanzan pretendiendo un ambicioso modelo de proporción 70/30 entre zonas bajo predominio del desarrollo humano y zonas más conservadas. Para interpretar el proceso en Argentina se analizó la ejecución presupuestaria de su sistema nacional entre 1999 y 2018 como expresión de sus políticas reales, limitaciones y tendencias. Pese a objetivos insistentemente declamados los datos muestran que han declinado inversiones y proyectos de conservación. Sin mejorar infraestructura, innovar en la gestión y valorizar prudentemente los atractivos turísticos, dominan los enfoques de corto plazo. Designar nuevas áreas sin financiamiento y operación adecuados, no asegura beneficios para la biodiversidad y las comunidades humanas locales. Esta debilidad posiblemente se replique en los sistemas subnacionales y en otros países de Latinoamérica.
A survey on intelligent computation offloading and pricing strategy in UAV-Enabled MEC network: Challenges and research directions
Authors: Baktayan Asrar Ahmed , Al-Baltah Ibrahim Ahmed
Published: December 2022

The lack of resource constraints for edge servers makes it difficult to simultaneously perform a large number of Mobile Devices’ (MDs) requests. The Mobile Network Operator (MNO) must then select how to delegate MD queries to its Mobile Edge Computing (MEC) server in order to maximize the overall benefit of admitted requests with varying latency needs. Unmanned Aerial Vehicles (UAVs) and Artificial Intelligent (AI) can increase MNO performance because of their flexibility in deployment, high mobility of UAV, and efficiency of AI algorithms. There is a trade-off between the cost incurred by the MD and the profit received by the MNO. Intelligent computing offloading to UAV-enabled MEC, on the other hand, is a promising way to bridge the gap between MDs' limited processing resources, as well as the intelligent algorithms that are utilized for computation offloading in the UAV-MEC network and the high computing demands of upcoming applications. This study looks at some of the research on the benefits of computation offloading process in the UAV-MEC network, as well as the intelligent models that are utilized for computation offloading in the UAV-MEC network. In addition, this article examines several intelligent pricing techniques in different structures in the UAV-MEC network. Finally, this work highlights some important open research issues and future research directions of Artificial Intelligent (AI) in computation offloading and applying intelligent pricing strategies in the UAV-MEC network.
Islamic Art – Shamail – Traditions and Modernity
Authors:   Kosygin Russian State University, Mustafin Ildar H.
Published: December 2022

Islamic art is multifaceted and has a great history in fine arts. Religious art, including Islamic themes, is closely intertwined with culture, philosophy, religious knowledge and especially with the history of our country. Let us consider the specific form of Muslim art that has existed since ancient times: shamail, a peculiar phenomenon of Islamic culture and an important part of religious and aesthetic consciousness. Shamail is an art form as a carrier of written Quranic content – texts in the form of a sura from the Holy Quran with particular design consisting of images of mosques or fortresses, ornaments or birds, images of a tree or an ark and some others.
The composition “Saturday of All Saints” in the decoration of the Archangel Cathedral of the Moscow Kremlin. The origins of iconography
Authors:   Research Institute of Theory and History of Fine Arts, Russian Academy of Arts, Samoylova Tatiana E.
Published: December 2022

In the decoration of the Archangel Cathedral the composition Saturday of All Saints has a central place in the painting of the western wall. It is a continuation of the theme Credo, presented in the northern and southern vertical parts of the facade of the temple, revealing a visual picture of the life of the saints in Paradise, as the culminating part of the cycle. The place of honour chosen for it is due to the idea of a cathedral, where funeral services for the deceased princes were constantly performed. The composition of the Archangel Cathedral contributed to the rooting of the tradition in the royal family to place the icon Saturday of All Saints in the iconostases above the princesʼ tombs.
Alexander Benois and his study of 18th-century French painting
Authors:   HSE University (Higher School of Economics), Sharnova Elena B.
Published: December 2022

The article summarizes the role of Alexander Benois in the study of French painting of the 18th century. His interest in this period is connected both with the peculiarities of art collecting in Russia and with rediscovery of French painting of the 18th century in France. Benois was well aware of the historical and literary sources of the 18th century as well as of the modern art history in France. The article examines the main categories used by Benois, who combined the methods of connoisseurship and essayism, and also analyzes the language and terms that he used in his books and articles.
Icons of Ivan Ivanovich Belsky for the Nativity Church on Peski in St Petersburg. Not earlier 1789 – not later 1792
Authors:   State Russian Museum, Moiseeva Svetlana V.
Published: December 2022

In February – March 2020 in the Russian Museum an exhibition was opened, called “The Belsky Artists”, dedicated to the 300th anniversary of Ivan Ivanovich Belsky (January 6, 1719 – January 13, 1799) and the 290th anniversary of his younger brothers – Alexey Ivanovich (1729 – May 21, 1796) and Efim Ivanovich (1730 – November 28, 1778) Belsky. The exhibition was one of the first attempts to deal with the works of almost forgotten artists of the 18th century. The exhibition for the first time presented images executed by Ivan Belsky for the Church of the Nativity of Christ on Peski (on Sands) in St Petersburg. Preparing for the event, the researchers discovered that allowed to recreate the history of all three iconostases of the Nativity Church, to prove the authorship of Ivan Belsky in creating the iconostasis of the Nativity of the Virgin and the Nativity (Rozhdestvensky) main iconostasis, as well as to reveal the history of the existence of images after the reconstruction of the Church of the Nativity in the middle of the 19th century. Almost all of Ivan Belsky’s oeuvres from the collection of the Russian Museum were fully restored by the leading specialist Natalia Romanova, which undoubtedly helped to develop a more precise understanding of the painter’s artistic manner.
“Blue Rose” Movement: Twenty-First Century. Moscow Symbolism in the Light of Recent Studies
Authors:   Research Institute of Theory and History of Fine Arts, Russian Academy of Arts, Davydova Olga S.
Published: December 2022

The article traces the history of perception and study of the masters of the “Blue Rose” as a symbolist movement in the Russian art of the early twentieth century. The versatile sphere of expression of the leading representatives of the “second wave” of Russian Symbolism, traditionally associated with the Moscow decadence of the 1900s, is subjected to more thorough and differentiated analysis in the context of recent research. If the first art historians of the “Blue Rose” group phenomenon concentrated on movement’s generalized description, nowadays the program aspects of the Blue Rose aesthetics are being explored in details, the poorly studied artists’ creative biographies are brought up to date. The growing archive base allows us to take a new look at the key moments of “Blue Rose” poetics’ formation and its involvement in the development of modernism, indicating a new stage in the study of the works of Moscow symbolists.
Stylistic evolution of magazine and book graphics by “Blue Rose” artists
Authors:   Research Institute of Theory and History of Fine Arts Russian Academy of Arts, Fomin Dmitry V. ,   Russian State Library
Published: December 2022

The works of the “Blue Rose” artists in the field of magazine and book design allow us to judge the nature of the stylistic evolution of their graphic language. In the drawings that decorated the pages of periodicals of the 1900s, a single set of techniques is often used, and the fascination of the whole group with the aesthetic ideas of symbolists becomes obvious. But gradually the masters of this circle move away from purely decorative ornamental fantasies, get carried away with solving more complex problems. In the 1920s and 1930s, their desire to overcome the painful extremes and pretentious significance of modernity, the search for a language much more intelligible and concise, became obvious.
Tenis Sporu ve Duygular: PRISMA Bildirimi Kriterlerini Kullanan Sistematik Bir İnceleme
Authors: DUMANGÖZ Pero Duygu
Published: December 2022

Spor, duyguların yüksek yoğunluk ve önem kazandığı evrensel boyutlarda bir aktivitedir. Ancak, spor ve duygu arasındaki ilişkiye dair çok az kanıt vardır. Bu çalışmada, tenis sporunda duyguların önemini analiz etmek ve bu konuda araştırma alanları önermek amacıyla tenis ve duygularla ilgili araştırma makalelerinin sistematik bir incelemesi yapılmıştır. Bu amaçla, elektronik dergi veri tabanı olarak ULAKBİLİM/TR Dizin ve Web of Science (WoS) veri tabanları 2017- 2022 yılları aralığında “spor”, "tenis" ve "duygular" anahtar kelimeleri ile taranmış, sistematik incelemeler ve meta-analiz (PRISMA) yönergeleri için tercih edilen raporlama kriterlerini kullanarak mevcut literatürün sistematik bir incelemesi gerçekleştirilmiştir. Buna göre, ilk tarama sonucunda elde edilen 139 makalenin her biri sistematik olarak gözden geçirilmiş ve dâhil edilme kriterlerini karşılayan toplam 10 makale, içeriklerini analiz etmek için seçilmiştir. Araştırma değişkenleri, örneklem grubu, odaklanılan konu, kullanılan yöntem ve uygulama zamanıdır. Sonuç olarak yapılan çalışmaların çoğunda sporculardan oluşan örneklem gruplarının yanı sıra duygu durumu ve stres ve stresle başa çıkma yollarına odaklanan duygusal değişkenlerin incelendiği görülmüştür. Araştırmacıların %60 oranında nicel araştırma yöntemlerini tercih ettiği ortaya çıkmıştır. Konuyla ilgili araştırma sayısının göreceli yetersizliği doğrulanmıştır. Özellikle ulusal alan yazınımıza katkı sağlayacak araştırmaların sayısının arttırılması önerilmektedir. Sonuçlar, araştırmacılara tenis sporu özelinde duygular üzerine yapılan araştırmaların genel çerçevesini sunmakta ve eksik alanların tespit edilerek değerlendirilmesi açısından bir kılavuz niteliği taşımaktadır.
Deep Attention-based Supernovae Classification of Multiband Light Curves
Authors: Pimentel Óscar , Estévez Pablo A. , Förster Francisco
Published: December 2022

In astronomical surveys, such as the Zwicky Transient Facility, supernovae (SNe) are relatively uncommon objects compared to other classes of variable events. Along with this scarcity, the processing of multiband light curves is a challenging task due to the highly irregular cadence, long time gaps, missing values, few observations, etc. These issues are particularly detrimental to the analysis of transient events: SN-like light curves. We offer three main contributions: (1) Based on temporal modulation and attention mechanisms, we propose a deep attention model (TimeModAttn) to classify multiband light curves of different SN types, avoiding photometric or hand-crafted feature computations, missing-value assumptions, and explicit imputation/interpolation methods. (2) We propose a model for the synthetic generation of SN multiband light curves based on the Supernova Parametric Model, allowing us to increase the number of samples and the diversity of cadence. Thus, the TimeModAttn model is first pretrained using synthetic light curves. Then, a fine-tuning process is performed. The TimeModAttn model outperformed other deep learning models, based on recurrent neural networks, in two scenarios: late-classification and early-classification. Also, the TimeModAttn model outperformed a Balanced Random Forest (BRF) classifier (trained with real data), increasing the balanced-F
1score from ≈.525 to ≈.596. When training the BRF with synthetic data, this model achieved a similar performance to the TimeModAttn model proposed while still maintaining extra advantages. (3) We conducted interpretability experiments. High attention scores were obtained for observations earlier than and close to the SN brightness peaks. This also correlated with an early highly variability of the learned temporal modulation.
Orbit-superposition Dynamical Modeling of Barred Galaxies
Authors: Tahmasebzadeh Behzad , Zhu Ling , Shen Juntai , Gerhard Ortwin , Ven Glenn van de
Published: December 2022

Barred structures are important in understanding galaxy evolution, but they were not included explicitly in most dynamical models for nearby galaxies due to their complicated morphological and kinematic properties. We modify the triaxial orbit-superposition Schwarzschild implementation by van den Bosch et al. to include barred structures explicitly. The gravitational potential is a combination of a spherical dark matter halo and stellar mass; with the 3D stellar density distribution deprojected from the observed 2D image using a two-component deprojection method, including an axisymmetric disk and a triaxial barred bulge. We consider figure rotation of the galaxy with the bar pattern speed as a free parameter. We validate the method by applying it to a mock galaxy with integral field unit (IFU) data created from an N-body simulation with a boxy/peanut or X-shaped bar. Our model fits the observed 2D surface density and all kinematic features well. The bar pattern speed is recovered well with a relative uncertainty smaller than 10%. Based on the internal stellar orbit distribution of the model, we decompose the galaxy into an X-shaped bar, a boxy bulge, a vertically extended structure and a disk, and demonstrate that our model recovers these structures generally well, similar to the true structures in the N-body simulation. Our method provides a realistic way of modeling the bar structure explicitly for nearby barred galaxies with IFU observations.
Quantifying the Evidence Against a Mass Gap between Black Holes and Neutron Stars
Authors: de Sá L. M. , Bernardo A. , Bachega R. R. A. , Horvath J. E. , Rocha L. S. , Moraes P. H. R. S.
Published: December 2022

The lack of objects between 2 and 5 M
⊙ in the joint mass distribution of compact objects has been termed the “mass gap,” and attributed mainly to the characteristics of the supernova mechanism precluding their birth. However, recent observations show that a number of candidates reported to lie inside the “gap” may fill it, suggesting instead a paucity that may be real or largely a result of small number statistics. We quantify in this work the individual candidates and evaluate the joint probability of a mass gap. Our results show that an absolute mass gap is not present, to a very high confidence level. It remains to be seen if a relative paucity of objects stands in the future, and how this population can be related to the formation processes, which may include neutron star mergers, the collapse of a neutron star to a black hole, and others.
Detailed Calculations of the Efficiency of Planetesimal Accretion in the Core-accretion Model. II. The Effect of Saturn
Authors: Haghighipour Nader , Podolak Morris , Podolak Esther
Published: December 2022

As part of our ongoing initiative to accurately calculate the accretion rate of planetesimals in the core-accretion model, we demonstrated in a recent article that when the calculations include the gravitational force of the Sun (the original core-accretion model did not include solar gravity), results change considerably (ApJ, 899:45). In this paper, we have advanced our previous study by including the effect of Saturn. To maintain focus on the effect of this planet, and in order to be consistent with previous studies, we did not include the effect of the nebular gas. Results demonstrate that, as expected, Saturn’s perturbation decreases the rate of accretion by scattering many planetesimals out of Jupiter’s accretion zone. It also increases the velocities with which planetesimals encounter the envelope, which in agreement with our previous findings enhances their breakup due to the ram pressure. Results also show that, because the effect of Saturn in scattering of planetesimals increases with its mass, this planet might not have played a significant role in the accretion of planetesimals by proto-Jupiter during the early stage of its growth. Finally, the late accretion of planetesimals, as obtained in our previous study, appears in our new results as well, implying that, combined with the rapid infall of the gas, it can result in the mixing of material in the outer regions of the envelope, which may explain the enhancement of the envelope’s high-Z material.
Monte Carlo Simulations on Possible Collimation Effects of Outflows to Fan Beam Emission of Ultraluminous Accreting X-Ray Pulsars
Authors: Hou X. , You Y. , Ji L. , Soria R. , Zhang S. N. , Ge M. Y. , Tao L. , Zhang S. , Feng H. , Zhou M. , Tuo Y. L. , Song L. M. , Wang J. C.
Published: December 2022

Pulsating ultraluminous X-ray sources (PULXs) are accreting pulsars with apparent X-ray luminosity exceeding 1039 erg s−1. We perform Monte Carlo simulations to investigate whether a high collimation effect (or strong beaming effect) is dominant in the presence of accretion outflows, for the fan beam emission of the accretion column of the neutron stars in PULXs. We show that the three nearby PULXs (RX J0209.6−7427, Swift J0243.6+6124, and SMC X-3), namely, the Three Musketeers here, have their main pulsed emission not strongly collimated even if strong outflows exist. This conclusion can be extended to the current sample of extragalactic PULXs, if accretion outflows are commonly produced from them. This means that the observed high luminosity of PULXs is indeed intrinsic, which can be used to infer the existence of very strong surface magnetic fields of ∼1013–14 G, possibly multipole fields. However, if strong outflows are launched from the accretion disks in PULXs as a consequence of disk spherization by radiation pressure, regular dipole magnetic fields of ∼1012 G may be required, comparable to that of the Three Musketeers, which have experienced large luminosity changes from well below their Eddington limit (2 × 1038 erg s−1 for an NS) to super-Eddington and whose maximum luminosity fills the luminosity gap between Galactic pulsars and extragalactic PULXs.
Neutral Atmospheric Density Measurement Using Insight-HXMT Data by the Earth Occultation Technique
Authors: Xue Wang-Chen , Li Xiao-Bo , Xiong Shao-Lin , Chen Yong , Zhang Shuang-Nan , Song Li-Ming , Zhang Shu , Ge Ming-Yu , Tuo You-Li , Li Hai-Tao , Yu Dao-Chun , Guo Dong-Ya , Liu Jia-Cong , Zhang Yan-Qiu , Zheng Chao
Published: December 2022

The Earth occultation technique has broad applications in both astronomy and atmospheric density measurements. We construct the background model during the occultation of the Crab Nebula observed by the Insight-Hard X-ray Modulation Telescope (Insight-HXMT) at energies between 6 and 100 keV. We propose a Bayesian atmospheric density retrieval method based on the Earth occultation technique, combining Poisson and Gaussian statistics. By modeling the atmospheric attenuation of X-ray photons during the occultation, we simultaneously retrieved the neutral densities of the atmosphere at different altitude ranges. Our method considers the correlation of densities between neighboring atmospheric layers and reduces the potential systematic bias to which previous work may be subject. Previous analyses based on light-curve fitting or spectral fitting also lost some spectral or temporal information of the data. In contrast to previous work, the occultation data observed by the three telescopes on board Insight-HXMT is fully used in our analysis, further reducing the statistical error in density retrieval. We apply our method to cross-check the (semi)empirical atmospheric models, using 115 sets of occultation data of the Crab Nebula observed by Insight-HXMT. We find that the retrieved neutral density is ∼10%, ∼20%, and ∼25% less than the values of the widely used atmospheric model NRLMSISE-00, in the altitude range of 55–80 km, 80–90 km, and 90–100 km, respectively. We also show that the newly released atmospheric model NRLMSIS 2.0 is generally consistent with our density measurements.
La MDBC e-hryvnia : une monnaie banque centrale en projet
Authors: Slim Assen
Published: December 2022

Dans un contexte international marqué par un attrait croissant pour la technologie blockchain , de nombreux projets de monnaies digitales de banques centrales (MDBC) ont vu le jour. Le projet de MDBC e-hryvnia engagé par la banque centrale d’Ukraine (NBU) est l’un des plus avancés d’Europe. Après avoir défini la notion de MDBC, cet article fait le point sur les attentes de la NBU, les conclusions du projet pilote de MDBC e-hryvnia lancé en 2018 et les obstacles qui restent à lever pour lancer définitivement cette monnaie banque centrale de nouvelle génération. Classification JEL : E42, E52, E58.
Financer la transition énergétique en Europe centrale et orientale : un levier pour surmonter la dépendance de sentier à l’égard de la Russie ?
Authors: Koleva Petia , Marinova Tsvetelina
Published: December 2022

Depuis leur adhésion à l’Union européenne, les pays d’Europe centrale et orientale (PECO) sont appelés à mettre en place des stratégies bas-carbone pour atteindre les objectifs de développement soutenable que l’UE s’est fixés. Cet article démontre que la contribution du secteur de l’énergie à ces ambitions reste pour le moment modeste. On observe, dans les PECO, un important effet de sentier ( path dependency ) qui atteste d’une dépendance significative de leurs systèmes énergétiques à l’égard de la Russie. Il apparaît que les financements externes (européens principalement) jouent un rôle certain dans la transition énergétique en Europe centrale et orientale. Toutefois, comme le montrent les cas polonais et bulgare, la bifurcation de trajectoire énergétique dans le long terme nécessite, outre des financements internationaux, une certaine stabilité institutionnelle et un consensus public plus large sur la place des énergies renouvelables dans l’économie, éléments qui ne sont pas nécessairement réunis dans tous les PECO. Classification JEL : Q40, Q41, Q48 .