bluuebunny/crossref_metadata_2025 huggingface dataset:
Chernobyl. Hazard of forest fires
Authors: Боровой Александр Александрович , Гаврилов Сергей Львович , Хвощинский Валерий Александрович
Published: September 2022

В последние годы все больше внимания обращается на последствия пожаров, возникающих в зоне отчуждения Чернобыльской АЭС. Данная проблема активно обсуждается как в специальной литературе, так и в средствах массовой информации. При этом высказываются самые различные мнения о возможности распространения радиоактивного заражения за пределы зоны отчуждения. В настоящей работе приводятся результаты прямых измерений, выполненных сотрудниками «Курчатовского института». Они позволяют оценить как реальную радиологическую опасность для людей, участвующих в борьбе с огнем, так и вероятность расползания радиоактивного пятна.

The number of fires in the Chernobyl exclusion zone has been growing in recent years, and thousands of hectares of forests are actually burning. This is due to worsening of fire conditions in forests, climate changes and a lack of fire-prevention means and fire-fighting equipment. The problem draws attention of both experts and the media. The direct measurements in the seat of a fire instead of calculated estimates become increasingly important in such conditions. Such measurements can provide information concerning danger for the involved fire fighters as well as the risk of radioactive contamination spreading beyond the exclusion zone. The results of measurements carried out by specialists of the Kurchatov Institute are presented in this paper. The level of air contamination with radionuclides at the very fire edge was determined as well as the data on transfer of radionuclides in the plume of smoke and warm air were obtained. The radiation situation for firemen fighting directly a fire requires mandatory use of individual and collective protective equipment. The use of remote extinguishing means is a better solution since the concentration of active aerosols in the fire area may exceed the permissible values by orders of magnitude. Measurements at a distance of ~2 km from the fire front revealed no noticeable advancement of contamination (about 1 kilometer) during such a fire, even in the smoke direction. As noticed experts recommend a variety of large-scale and expensive activities to prevent major fires in the exclusion zone but they are unlikely to be carried out in the near future. In such a situation early detection of the location of any fire and the use of improved fire-fighting equipment seems to be a more realistic way.
DISTRIBUTION OF IMPURITY ATOMS BY THE VOLUME OF MICROINCUTIONS IN SAMPLES n-Si
Authors:   Andijan State University, Andijan, Uzbekistan, Zainabidinov S.Z. , Turgunov N.A. , Akbarov Sh.K. , Berkinov E.Kh. , Mamazhonova D.Kh. ,   Scientific Research Institute o f Semiconductor Physics and Microelectronics at the National University o f Uzbekistan
Published: September 2022

The paper considers the structural structure o f nickel impurity microinclusions in silicon, form ed during diffusion alloying at a temperature o f T = 1523 K. Using microprobe analysis, images o f nickel impurity microinclusions were obtained, and their chemical compositions were determined. The distribution o f Ni atoms and some technological impurities such as Fe and Cr over the volume o f multilayer microinclusions was revealed, according to which the maximum percentage o f impurity atoms is in its central part.
SIMULATION OF THE TEMPERATURE DEPENDENCE OF THE QUANTUM OSCILLATIONS’ EFFECTS IN 2D SEMICONDUCTOR MATERIALS
Authors:   Namangan Institute o f Engineering and Technology, 160115, Namangan, Uzbekistan, Erkaboev U.I. , Rakhimov R.G. , Sayidov N.A. , Negmatov U.M. ,   Namangan Engineering-Construction Institute, 160103, Namangan, Uzbekistan
Published: September 2022

For the first time, a mathematical model was developed for determining the effect o f temperature and a quantizing magnetic field on oscillations o f the Fermi energy in nanoscale semiconductor structures with a parabolic dispersion law. A mathematical expression is derived for calculating the dependence o f the distribution o f the Fermi-Dirac function on the magnetic field, on the thickness o f the quantum well and on the temperature in low-dimensional semiconductor materials. The possibility o f calculating the Fermi energy oscillations in two-dimensional electron gases at high temperatures and weak magnetic fields is shown for the first time. The proposed theory explains the experimental results in two-dimensional semiconductor structures with a parabolic dispersion law.
EFFECT OF у- IRRADIATION ON THE OPTICAL PROPERTIES OF ZnSe/ZnCdSe QUANTUM-DIMENSIONAL STRUCTURES
Authors:   Karakalpak State university named after Berdakh. Nukus, Republic o f Ka^akalpakstan, Sharibaev M.B. , Ismailov Q.A. , Karimov I.N. ,   Andijan State University, Andijan, Uzbekistan
Published: September 2022

In this paper, we studied the effect o f Co60 gamma-ray irradiation on the optical characteristics o f single and several compressed-stressed CdxZm-xSe/ZnSe QCS with the composition x=0.2-0.4 grown by molecular beam epitaxy. Photoluminescent properties o f a series o f samples with single and multiple wells o f the same thickness and different composition as well as different thickness o f the same composition were studied. The spreading o f quantum wells after gamma-ray irradiation was studied.
EXPONENTIAL ABSORPTION SPECTRUM AND DENSITY DISTRIBUTION OF ELECTRONIC STATES ON THE TAIL OF THE VALENCE ZONE OF AMORPHOUS SEMICONDUCTORS
Authors:   Namangan Institute of Engineering and Technology Namangan, Uzbekistan, Mamatkarimov O.O. , Ikramov R.G. , Kuchkarov B.H. , Muminov Kh.A.
Published: September 2022

The analytical expression of the spectrum, derived for the region of exponential absorption of amorphous semiconductors, is investi gated. The parameters in this expression that determine the slope of the tails of the allowed bands are determined by fitting to the exponential absorption spectrum, which are determined experim entally. For the Davis-Mott approximation, a new formula is derived from the Kubo-Greenwood formula, which determines the densities of electronic states at the tail of the valence band. Using these formulas and the experimentally determined exponential absorption spectrum, it is shown that it is possible to determine the density of electronic states at the tail of the valence band
THEORETICAL PREDICTIONS AND PREP ARATION OF SEMICONDUCTOR SOLIDS BASED ON A STATISTICAL GENERALIZED MOMENT
Authors:   Urgench State University, Urgench, Kh.Alimjan str. 14, Uzbekistan, Khakimov N.Z. , Razzokov A.Sh.
Published: September 2022

The article presents an analytical formula, theoretical results and calculations of statistically generalized moments of the elements of Mendeleev's peri odic table. For the elements of the periodic table, the results obtained for their radii and generalized moments are given, which provide the basis for scientific prediction of their so lubility in order to grow new solid semiconductor materials from the liquid phase
EFFECT OF THE PRESSURE ON THE PROPERTIES OF SCHOTTKY DIODE BASED ON OVERCOMPENSATE SEMICONDUCTOR
Authors:   Institute of Semiconductor Physics and Microelectronics of NUUz Tashkent, Uzbekistan, Daliev Sh.Kh. , Saparov F.A.
Published: September 2022

The effect of uniform compression on the properties of n-Si  Schottky diode based on overcompensate semiconductor has been studied. It was shown that overcompensation is a result of structure defects generation in the thermo treatment of the starting silicon wafer
EFFECT OF ULTRAHIGH FREQUENCY FIELDS ON THE PHOTOELECTRIC CHARACTERISTICS OF P-N CONDUCTING SEMICONDUCTOR DIODES
Authors:   Namangan Engineering Construction Institute Namangan, Uzbekistan, Gulyamov G. , Shakhobiddinov B.B. , Majidova G.N. , Mukhiddinova F.R.
Published: September 2022

In this paper, a mathematical model of the change in the current-voltage characteristics of the p-n junction under the infl uence of light and microwave fields is proposed
IMPROVEMENT OF OPTICAL PROPER TIES OF HIGH VOLTAGE MATRIX PHOTOELECTRIC DEVICES
Authors:   Research Institute of Semiconductor Physics and Microelectronics of the National University of Uzbekistan named after Mirzo Ulugbek, Tashkent, Uzbekistan, Nasriddinov S.S. , Tukfatullin O.F. , Muydinova M.A. , Fozilova M. ,   Andijan State University, Andijan, Uzbekistan
Published: September 2022

n this paper a new design of a silicon high-v oltage matrix photovoltaic device with vertical heterojunctions with the Si/ZnO structur e was considered, the optical properties of which are improved
NEW TYPES OF THERMAL ENERGY CONVERTERS BASED ON GRANULAR SILICON
Authors:   nstitute of Ion - Plasma and Laser Technologies of the Academy of Sciences of the Republic of Uzbekistan, Tashkent, Uzbekistan, Abdurakhmanov B. M. , Adilov M. M. , Ashurov X. B. , Kurbanov M. Sh.
Published: September 2022

New types of thermal energy converters are described, the working fluid of which is made of granular silicon, which is a silicon powder, the particles of which are not sintered and are not fused with each other. In such a material, the Seebeck coefficient is much higher than in monocrystalline silicon with a lower thermal conductivity, which makes it possible to consider this modification of silicon as a promising thermoelectric material. Key words : thermal energy converter, granular silicon, Seebeck coeffi cient, concentrated solar radiation, tunneling of charge carriers
Spor Yöneticiliği Eğitimine Farklı Öğrenci Seçme Sistemleri ile Yerleştirilmiş Öğrencilerin Karşılaştırılması: Bir Karma Yöntemler Çalışması
Authors: PARASIZ Özgün , HALICI Alperen
Published: September 2022

Bu araştırmada, özel yetenek sınavı sistemi ve merkezi yerleştirme sınavı sistemleri ile yerleştirilmiş spor yöneticiliği öğrencilerinin, spor yöneticiliği mesleğinin gereklilikleri çerçevesinde karşılaştırılması amaçlanmaktadır. Karma yöntem araştırma desenlerinden eş zamanlı karma yöntemler araştırması deseninin tercih edildiği araştırmada, nicel veriler araştırmacılar tarafından geliştirilen anket formu araçlığı ile nitel veriler ise yine araştırmacılar tarafından geliştirilen yarı yapılandırılmış metafor formu kullanılarak toplanmıştır. Araştırma katılımcılarının belirlenmesinde amaçlı örneklem yönteminden tipik örnekleme yöntemleri kullanılmıştır. Bu çerçevede özel yetenek sınavıyla alım yapan Ankara Üniversitesi ile merkezi yerleştirme sistemi ile alım yapan Gazi Üniversitesi spor yöneticiliği bölümü öğrencileri çalışmaya dahil edilmiştir. Bu çerçevede çalışmaya 121 spor yöneticiliği bölümü öğrencisi katılım göstermiş, ancak 121 form arasından geçerli durumda olan 109 veri formu analizlere dahil edilmiştir. Nitel veriler içerik analizi yöntemi ile nicel veriler ise betimsel istatistiki yöntemler ile analiz edilmiştir. Araştırma bulgularına göre, spor yöneticiliği bölümlerine merkezi yerleştirme sistemi ile giren öğrencilerin özel yetenek sınavı ile giren öğrencilere göre sportif geçmiş, sportif bilgi, sportif donanım ve spora olan ilgi açısından geride oldukları, derse devam ve genel not ortalaması açısından ise daha önde olmaları beklenirken, aynı seviyede oldukları ve sporun fiziksel ve sağlık faydalarını daha az, çok yönlü faydalarını ise daha fazla algılayabildikleri görülmektedir. Sonuç olarak, spor yöneticiliği bölümlerine yalnızca bilişsel değerlendirmeler yapan merkezi sınavlar aracılığı ile öğrenci alınmasının doğru olmadığı söylenebilir.
The Epidemiology of Unintentional Burn Case in Sanglah General Hospital, Denpasar, from 2014 to 2018
Authors: Sanjaya I Gusti Putu Hendra , Hamid Agus Roy Rusly Hariantana , Adnyana I Made Suka , Samsarga Gede Wara , Tanuwijaya Lucretya Yeniwati , Putri Gracia Widia , Rudyan Jemie
Published: September 2022

BACKGROUND: Burn injury is one of the serious public health problems. Many of burn patients end up with experiencing disability (morbidity). Meanwhile, the epidemiology of burn patients in eastern part of Indonesia is rarely reported.

AIM: We aimed to investigate the sociodemographic characteristic of burn patients in Sanglah General Hospital as the center referral hospital for eastern part of Indonesia.

MATERIALS AND METHODS: Viable data were collected from burn patients admitted to Burn Center of Sanglah Hospital between January 2014 and December 2018. A cross-sectional study design was used with statistical analysis which was performed using IBM Statistics 23 for Windows.

RESULTS: A total of 725 subjects were involved in this study. Subjects were divided into two groups of emergency (n = 607, 83.72%) and non-emergency (n = 118, 17.28%). There were 525 (72.4%) burn subjects who were ≥17 years old with combustion caused by flame as the most common case (n = 264, 56.9%), whereas 200 (27.6%) subjects were <17 years old, while the group of age 0–5 years old (n = 115, 57.5%) gave largest proportion admission in pediatric group of scalding as the main cause (n = 100, 69.4%).

CONCLUSION: We found that adults and elders had the highest risk of acquiring combustion caused by flame. Scalding was the most burns case found in the pediatric population.
Differences in Health Literacy of Older Adults According to Sociodemographic Characteristics
Authors: Štemberger-Kolnik Tamara , Ljubič Andreja , Filej Bojana , Poredoš Mojca , Kaučič Boris Miha
Published: September 2022

BACKGROUND: The research is based on the concept of health literacy. This is the “sixth vital sign” to navigating the healthcare system and raising self-efficacy in the field of healthcare.
AIM: The study aim was to present the health literacy of the elderly in the Savinja statistical region in Slovenia.
METHODS: The study was based on a non-experimental quantitative research approach. The study included 199 elderly people aged 65 and more, without the presence of dementia. The data were collected using the Health Literacy and Montreal Cognitive Assessment questionnaire. We used a non-random, convenience sampling.
RESULTS: We established that in the study population, 64.8 % of the population was below the level of acceptable general health literacy, whereas only 3.5 % of this population had an excellent level of health literacy. Statistically significant differences in the level of health literacy are shown in the field of healthcare treatment in older adults living with their families (F = 5,198; p ˂ 0,001). Respondents who engaged in activities in day care centres also had a higher level of health literacy (t = 3,738; p < 0,001). People with low health literacy, who use health services more frequently, should be given access to health education, based on individual presentation of contents, supported by andragogical knowledge.
CONCLUSION: The health literacy of older adults is the basis for their greater care for their own health and a better quality of life.
Physical Activity Pattern Before and during the COVID-19 Lockdown among Adolescents in Indonesia
Authors: Koa Apryadno Jose Al Freadman , Wang Chi-Jane , Lindayani Linlin
Published: September 2022

BACKGROUND: Many countries have issued “stay at home” orders to combat the spread of coronavirus disease 2019 (COVID-19), which may have hampered movement in people of all ages. This may impact adolescent physical activity, sedentary behavior, screen time, etc.

AIM: The purpose of this study was to assess changes in physical activity and screen time before and during the first and second COVID-19 lockdown among adolescents in Indonesia.

METHODS: This study was a national web-based survey distributed through social media platforms in Indonesia. A snowball sampling method was used to recruit participants. The final sample included 5650 participants who had provided complete information for the research topic.

RESULTS: Physical activity patterns of adolescents had dramatically shifted during COVID-19 lockdown, with disparities between genders and educational levels. The majority of adolescents had maintained their physical activity levels, with 34.4% of those who engaged in active transportation and 67.3% of those who walked; while, the remaining adolescents had experienced a decrease in physical activity (30.1%–63.1%). Adolescents had maintained their sleeping (about 50%) and screen time (31.4%), but almost 40% had decreased their sleeping time and 60.5% had significantly increased their screen time. Furthermore, when compared to their peers who had maintained their sedentary time before to COVID-19, more adolescents had increased their sedentary time throughout both schooldays and weekends (about 54%).

CONCLUSION: This large-scale nationwide survey could be valuable for stakeholders, when deciding when and how to relax restrictions in the future. In addition, school administrators should be aware of these changes so that in-class and/or extracurricular physical programs can be developed to offset the effects of these changes.
Determinants of Preventive Behavioral Measures in Polling Stations during General Election in Indonesia
Authors: Ariyanti Fajar , Mustakim Mustakim , Al Ayubi Moch Thoriq Assegaf , Nurmansyah Muhammad Iqbal , Maulidina Mutia , Ayuningtyas Dumilah
Published: September 2022

BACKGROUND: Various preventive measures have been taken aimed to prevent the spread of COVID-19, which caused major changes in most aspects of human life. One of activities impacted by the presence of the disease is national or regional elections. To prevent the spread of the disease during the election, the Indonesian General Election Commission issued a regulation to control the COVID-19 transmission. However, there was lack of information regarding the implementation of the COVID-19 preventive behavioral measures in polling stations during the election.

AIM: The objective of this study is aimed to: (1) Describe and analyze determinants of the implementation of preventive behavioral measures implementation in polling stations during the local election and (2) examine differences of the COVID-19 daily cases before and after the local election in Indonesia.

METHODS: The design of this study is cross-sectional. The data were collected in the election day until the next 7 days, from December 9–15, 2020, in Depok and South Tangerang cities. All of 463 respondents participated in this study with online self-administered questionnaire. Chi-squared test with CI 95% has been used to determine the item which is related to support voters and personnel in implementing the health protocols.

RESULTS: The results of this study indicated the significant relationship between voter status and mask wearing (p = 0.017), physical distancing (p = 0.011), and hand washing (p = 0.036). The COVID-19 daily cases before and after the local election tend to fluctuate but there was an increase from November to December 2020. There was a significant difference of the COVID-19 daily cases before and after local elections in cities in Indonesia.

CONCLUSION: The availability of facilities in polling stations and strengthening the policy will influence voters to do preventive behaviors such as mask wearing, physical distancing, and hand washing during the election. This study recommends the stakeholders to provide health protocol facilities at polling station and to create programs to increase the community compliance regarding the prevention of infectious diseases during the voting process.
Floristic inventory and distribution characteristics of vascular plants in forest wetlands of South Korea
Authors: Lee Jong-Won , Yun Ho-Geun , Hwang Tae Young , An Jong-Bin
Published: September 2022

This study surveyed the vascular flora present in 455 forest wetlands in South Korea to provide baseline data for conservation, management and monitoring and to support preparation for climate change. The survey period was from April 2015 to November 2019. The vascular flora of 455 forest wetlands were identified and were found to consist of 143 families, 582 genera, 1,246 species, 26 subsp., 104 var., 12 f. and 1,388 individual taxa. Eight taxa were identified as Grade II endangered wild plants, 220 taxa were identified as northern lineage plants of the Korean Peninsula, 66 taxa were endemic to the Korean Peninsula and 94 taxa were rare plants as designated by the Korea Forest Service. Amongst them, eight taxa were Critically Endangered species, 10 taxa were Endangered species, 31 taxa were Vulnerable species, 31 taxa were Least Concern species and 14 taxa were Data Deficient species. Further, 411 taxa were floristic target plants, of which 17 taxa were classified as grade V, 70 taxa as grade IV, 110 taxa as grade III, 90 taxa as grade II and 29 taxa as grade I. There were 64 invasive alien plant taxa. Eighteen of these species were classed as Widespread species, nine taxa were Serious Spread species, 13 taxa were Spread Risk species, 18 taxa were Spread Concern species and six taxa were Continuing Spread species. According to wetland preference, 152 taxa (11.0%) were obligate wetland plants, 138 taxa (9.9%) were facultative wetland plants and 177 (12.77%) taxa were facultative plants. Additionally, 198 taxa (14.3%) were facultative upland plants and 723 taxa (52.1%) were obligate upland plants.
Four new species of ctenid spiders (Araneae, Ctenidae) from Southeast Asia, with the first description of the female of Sinoctenus zhui Marusik, Zhang & Omelko, 2012
Authors: Lu Ying , Chu Chang , Yao Zhiyuan , Li Shuqiang
Published: September 2022

The spider family Ctenidae Keyserling, 1877 has a worldwide distribution with 580 species belonging to 49 genera, of which 109 species of six genera are distributed in Southeast Asia.

Four new species of ctenid spiders are described from Southeast Asia: Anahita menglun sp. n. (Yunnan, China), Bowie haiphong sp. n. (Hai Phong, Vietnam), Bowie mengla sp. n. (Yunnan, China) and Bowie zhengi sp. n. (Yunnan, China). In addition, the female of Sinoctenus zhui Marusik, Zhang & Omelko, 2012 (Hainan, China) is described for the first time.
« Toi aussi t’en peux plus ? »
Authors: Joly Lorraine
Published: September 2022

On ne peut pas forcément prévenir la surcharge, elle advient potentiellement. Mais les parents et les frères et sœurs peuvent inventer une manière de la penser et de la vivre pour qu’elle n’anéantisse pas tout désir, qu’elle n’aspire pas toute pulsion de vie. Et quoi de mieux pour avancer que d’y réfléchir avec d’autres, confrontés aux mêmes questionnements ? C’est l’histoire de groupes de parole pour les frères et sœurs et pour les parents que nous allons dérouler ici.
Risk Factors for Failure of Final Anatomic Surgical Reattachment in Retinal Detachments From Combat Ocular Trauma
Authors: Purt Boonkit , Justin Grant A. , Baker Katherine M. , Brooks Daniel I. , Ryan Denise S. , Sia Rose K. , Weichel Eric D. , Colyer Marcus H.
Published: September 2022

BACKGROUND AND OBJECTIVE:

The goal of this study was to determine the anatomic outcome of traumatic retinal detachment (RD) from combat ocular trauma.

MATERIALS AND METHODS:

Retrospective study of patients sustaining a traumatic RD in Operation Iraqi Freedom and Operation Enduring Freedom who were evacuated to Walter Reed Army Medical Center from 2001 to 2011. The Fisher exact test, Wilcoxon rank sum test, and Agresti and Coull methods were used for analyses.

RESULTS:

There were 143 eyes of 134 patients in which a traumatic RD developed, of a total of 890 eyes of 652 patients in the Walter Reed Ocular Trauma Database. Based on our results, predictors for failure to reattach the retina include maculaoff status (
P
= .0002), open-globe injury (
P
= .03), proliferative vitreoretinopathy postoperatively (
P
= .002), and presence of hyphema (
P
= .02). Intraocular foreign body and time to initial retinal surgery did not increase risk for failure. Thirty-four percent (34%) of eyes failed to be reattached.

CONCLUSIONS:

Traumatic RD due to injury sustained in a combat zone resulted in poor prognosis, with 82.09% of eyes with RD having a best-corrected visual acuity worse than 20/200. The anatomic success of RD repair was shown to be 65.71%, likely owing to the severity of the injuries, concomitant systemic injuries, and delayed surgical intervention.

[
Ophthalmic Surg Lasers Imaging Retina
2022;53:493–501.]
Thermodynamic formalism for dispersing billiards
Authors: Baladi Viviane , Demers Mark F.
Published: September 2022

For any finite horizon Sinai billiard map \begin{document}$ T $\end{document} on the two-torus, we find \begin{document}$ t_*>1 $\end{document} such that for each \begin{document}$ t\in (0,t_*) $\end{document} there exists a unique equilibrium state \begin{document}$ \mu_t $\end{document} for \begin{document}$ - t\log J^uT $\end{document}, and \begin{document}$ \mu_t $\end{document} is \begin{document}$ T $\end{document}-adapted. (In particular, the SRB measure is the unique equilibrium state for \begin{document}$ - \log J^uT $\end{document}.) We show that \begin{document}$ \mu_t $\end{document} is exponentially mixing for Hölder observables, and the pressure function \begin{document}$ P(t) = \sup_\mu \{h_\mu -\int t\log J^uT d \mu\} $\end{document} is analytic on \begin{document}$ (0,t_*) $\end{document}. In addition, \begin{document}$ P(t) $\end{document} is strictly convex if and only if \begin{document}$ \log J^uT $\end{document} is not \begin{document}$ \mu_t $\end{document}-a.e. cohomologous to a constant, while, if there exist \begin{document}$ t_a\ne t_b $\end{document} with \begin{document}$ \mu_{t_a} = \mu_{t_b} $\end{document}, then \begin{document}$ P(t) $\end{document} is affine on \begin{document}$ (0,t_*) $\end{document}. An additional sparse recurrence condition gives \begin{document}$ \lim_{t\downarrow 0} P(t) = P(0) $\end{document}.
Perov-fixed point theorems on a metric space equipped with ordered theoretic relation
Authors: Almalki Yahya , Din Fahim Ud , Din Muhammad , Ali Muhammad Usman , Jan Noor
Published: September 2022

In this paper, we introduce a few new generalizations of the classical Perov-fixed point theorem for single-valued and multi-valued mappings in a complete generalized metric space endowed with a binary relation. We have furnished our work with examples to show that several metrical-fixed point theorems can be obtained from an arbitrary binary relation.
Cimentación para parques solares considerando coeficientes de reducción de la carga de viento
Authors: López Llanusa Alejandro , Mederos Barrios Ana María , Cobelo Cristiá Willian , Parnás Vivian Elena
Published: September 2022

La necesidad de aprovechar la energía solar ha llevado a muchos países a construir grandes parques fotovoltaicos. Uno de los principales aspectos aún sin resolver es cómo considerar las presiones de viento sobre los paneles que conforman el parque, lo cual ha motivado varias investigaciones. En este trabajo se realiza el estudio del campo de presiones producido por el viento sobre paneles fotovoltaicos de acuerdo con su posición dentro del parque y se realiza el estudio de la solución de cimentación de acuerdo con las presiones de viento. Para ello se emplea un modelo, a escala reducida, en túnel de viento. Los resultados permiten corroborar que los valores de presiones de viento sobre un panel disminuyen al encontrarse en las filas interiores de un parque, dependiendo su posición. Como consecuencia de las variaciones de las presiones, las soluciones de cimentación varían y permiten una disminución del consumo de materiales.
Impacto de la rigidez de las uniones en el coste global de pórticos a dos aguas de acero
Authors: Fernández Diezma Jesús , Argüelles-Bustillo Ramón Aurelio , Arriaga Francisco
Published: September 2022

En este artículo se presenta un estudio sobre la influencia de la rigidez de las uniones en pórticos a dos aguas de acero. Se combinan doce valores diferentes de rigidez de placa de anclaje, hombro y cumbrera. Se combinan diez geometrías (8- 20 m de luz, 3.5-10 m de altura de pilares y 10-20% de pendiente de cubierta). Se consideran tres niveles de carga de nieve y viento con valores constantes de carga de mantenimiento. Se analizan un total de 46656 supuestos utilizando un programa informático de cálculo de estructuras para obtener en cada caso su coste total. Se obtiene la representación gráfica del coste para cada combinación de rigideces. En general, los costes más bajos de las estructuras se corresponden con valores bajos de rigidez. Es posible reducir el coste total un 18% de media, con la selección apropiada de la combinación de valores de rigidez de las uniones.
Editorial
Authors: Franzato Carlo , Jacques Edu
Published: September 2022

The Strategic Design Research Journal releases its first issue of 2022 a few weeks after our editorial team produced an analysis of its five previous years, a report that focused in the period after the adoption of English as our single working language. Since 2017, we have published 139 papers, between special and regular issues. The journal has raised bigger attention from the design community recent years, which resulted in a growing number of submissions. At the time of this writing, the SDRJ has an estimated time between five and seven months before announcing the evaluation results. The findings of this research will support the creation of internal editorial groups and strengthen the strategic guidance of our longitudinal work.
Design Creativity as the way of dealing with students’ stress in the context of the global pandemic challenge
Authors: Skliarenko Nataliia , Kolosnichenko Olena , Rohotchenko Oleksii , Kolosnichenko Marina , Chykhurskyi Anatolii
Published: September 2022

In this publication we concentrate our attention on finding the ways for dealing with students’ stress during the COVID-2019 pandemic period and implementing them into the constant practice. In the design practice we can consider stress not only as negative, but also positive experience.  We present our own experience that unites educational technologies in the design practice, the design-methods and some moments of the art therapy. We examine students’ diploma projects simultaneously as the design-product and the design-process that have anti-stress effect and are the method of harmonization of the students’ internal world in terms of the changeable medium. We consider different ways of art visualization as the mechanism of self-actualization, decrease of anxiety and dealing with depressive conditions. The work outlines the strategy of using design creativity as the way of overcoming and preventing the effects of stress factors during studying in the context of global pandemic challenges.

Keywords: Anti-Stress Processes, Anti-Stress Products, Design Creativity, Design Thinking, Educational Technologies.
Spark-Based Deep Learning for Recognition of Epileptic Seizures With Multimodal Brain Waves
Authors: Bhagchandani Ashish
Published: September 2022

In this chapter, electrical activity in the brain is measured with the help of brain sensors. Further, electrical activity is stored and analyzed for two different datasets: first, for the epileptic seizure, and second, for brain activity. Next, both epileptic seizure and brain activity datasets are used for deep learning models interfacing with Apache Spark. The deep learning model has a feed-forward neural network, which helps determine features from the epileptic seizure dataset that are important and fit in the hidden patterns among them. Further, FFNN is interfaced with Apache Spark to analyze how it can be beneficial with processing of the deep learning model. The results of the accuracy of deep learning model and processing time caused by Apache Spark help determine how effective the FFNN is for predicting the seizure activity in the brain and how Apache Spark can be applied with a deep learning model to increase its effectiveness for different types of datasets.
Various Feature Selection Techniques Used for Predicting and Diagnosing Heart Disease
Authors: Sinha Dibakar , Sharma Ashish
Published: September 2022

To effectively treat cardiac patients before a heart attack occurs, a precise prognosis of heart disease is necessary. Recently, machine learning-based algorithms for predicting and diagnosing heart disease have been described. However, the lack of a sophisticated framework that can use several sources of data to forecast cardiac disease means that current algorithms cannot manage large datasets. These systems use standard methods for selecting data points and assigning weights to them according to their relevance. Heart disease diagnosis has also failed to benefit from the use of these techniques. A review of the various feature selection methods used in the detection of heart disease is provided in this chapter of the book. The data used in the trials comes from a UCI library and relates to heart disease. In order to test the biomedical system's efficiency, many well-known validation methods have been used. This allows doctors to recognize heart disease in patients at an early stage so that more treatment can be started.
Relative Rate Index, Racial Disparity, and School Suspensions
Authors: Bourgeois Jennifer Wyatt , Kwende Melissa , Henderson Howard
Published: September 2022

This chapter will analyze school disciplinary actions across large metropolitan school districts. In recent decades, K-12 school disciplinary practices have garnered national attention from researchers, policymakers, and educators. Racial disparity among school discipline raises serious questions about continued violations of the 1954 Brown vs. Board of Education decision. The purpose of the chapter is to provide a series of evidence-supported recommendations for the dismantling of the school-to-prison pipeline. The current chapter will examine the discipline records for the 2016-2017 academic school year in 19 independent school districts to identify the equitable assignment of suspensions and expulsions. Disparity ratio analysis will help us understand the relationship between race, ethnicity, and school suspension. The findings will be utilized to guide policy recommendations. The results will provide an evidence-based understanding of racial disparity in school suspensions.
Rethinking Exclusionary Discipline Consequences for Discretionary Reasons for Economically Disadvantaged Youth
Authors: Clark Thelma Laredo , Ray Brandi R. , Murray Elizabeth Anne
Published: September 2022

Exclusionary discipline practices are continuously pushing economically disadvantaged students out of their traditional home campuses instead of rehabilitating them with the ability to become productive members of their communities. This chapter explores the development of exclusionary discipline consequences and the known outcomes of these consequences on economically disadvantaged students. The chapter provides background information regarding the initial appeal of exclusionary discipline practices followed by the subsequent harm it created for certain groups of students. The chapter identifies the possibilities for decreasing the use of exclusionary discipline by adopting strategies like PBIS and restorative justice practices. The chapter closes with a discussion of the importance of schools moving away from exclusionary discipline practices. The authors argue transparency from school leaders with school community members is essential for the initial and continued success of restorative practices and the curbing of the damage of exclusionary consequences for students.
Online Community Projects and Post-Pandemic EFL Curricula in Secondary Schools
Authors: Fearn Lesley June
Published: September 2022

English as a foreign language is an essential secondary-school subject in many parts of the world. However, complications during the COVID-19 pandemic emphasised weaknesses in curricula and the need for attention. This study discusses the potential of online community projects in post-pandemic curricula. Analytic autoethnography is used to examine the difficulties schools faced during the lockdown and the current situation of English as a foreign language in secondary schools in Italy and other countries. It draws upon literature regarding pedagogical theory in teaching foreign languages, the Common European Framework of Reference for Languages, and existing scholarship in the field of online community projects. The results provide insights into the advantages and drawbacks of integrating learner-centred tools, such as online community projects, into the post-pandemic curricula.
Historical Thinking and Reasoning in a Graphic Novel
Authors: Kachorsky Dani , Kessner Taylor
Published: September 2022

In this chapter, the authors demonstrate how teachers can use graphic novels in classroom spaces to support student learning and literacy outcomes while simultaneously valuing unique meaning making potential of graphic novels. Specifically, the authors address ways in which graphic novels can be used to promote history and social studies learning while capitalizing on graphic novels' complex, sophisticated, and multimodal nature. They suggest that rather than using graphic novels to trick kids into liking reading and learning content, graphic novels can be leveraged to promote deep, critical thinking about history and social studies. To accomplish this, the authors propose combining the opportunities for practice framework with a social semiotic view of multimodality as a means of supporting students' reading of historical fiction and non-fiction graphic novels.
Closing the Gap
Authors: Valentine Aimee
Published: September 2022

This chapter has a two-fold purpose. It first serves to introduce debates about the disciplinary status of comic studies in academia. It acknowledges the value that comics play by supporting the work of various disciplines and argues there are distinct benefits for establishing a proprietary disciplinary home for the study and practice of comics. The chapter highlights the relevancy of comics by enumerating four key ways the medium is employed: as a subject matter to be studied, for creative expression, as a means of disseminating information, and as a research methodology. The chapter then aims to encourage and guide educators in exploring the medium as a pedagogical device by recounting the author's experiences and lessons learned about using comics in the university classroom.
Transforming NGO Leadership in Marginalised Communities for Times of Crisis
Authors: Burke Olivene
Published: September 2022

Non-governmental organizations (NGOs) provide services to a country's most vulnerable populations. In response to the COVID-19, NGOs were tasked to provide service to the over 500,000 marginalized people residing in urban/rural low-socio-economic communities in Jamaica. Recognizing that the pandemic is different from anything most NGOs faced since their establishment, and it was an existential challenge for organizational operations. Leadership emerged as a critical component to the success of NGOs delivering services to the needy. Using qualitative exploratory technique, the study explored NGO nurturing of employees/middle managers and non-positional individuals' entry into leadership during a crisis. The researcher solicited the perspectives of organizations' directors. Findings show that NGOs encountered several challenges which hampered their ability to provide services to marginalized communities. Only some leaders spotted and nurtured employee leadership agency. Recommended guidelines and principles for activating middle executive agency to lead during a crisis are given.
A Holistic Picture of Non-Financial Reporting
Authors: Breaz Teodora , Cucerzan Teodora , Didea (Castrase) Cristina , Rakos Ileana-Sorina
Published: September 2022

This chapter addresses the concept of non-financial reporting from a theoretical perspective. The main objective of this chapter was to present the literature on the key issue of non-financial reporting. The authors present various aspects of non-financial reporting, such as the creation of value through non-financial reporting, its advantages and disadvantages, the trend toward standardization and the adoption of an integrated report, and the interpretation of the information provided to stakeholders through NFR. All aspects presented and analyzed are based on existing expert studies and university studies. The chapter ends with the authors' conclusions on the importance of integrated reporting. This input from the authors opens up new opportunities to exploit the information content specific to non-financial reporting, which is particularly relevant to all stakeholders.
Creative Accounting Affects Corporate Performance
Authors: Ionica Oncioiu
Published: September 2022

Accounting creativity only addresses the same issue as management, but the solution resides at the border between the legal and recording of economic events. From a variety of accounting treatments and rules, the entity's manager can select the one that is most convenient and serves their own interests, which means that an outcome may be convenient but not necessarily accurate. The consequences and problems of creative accounting on performance are discussed in this chapter. According to the findings, the biggest problem created by the standards is the requirement for periodic reassessments and the option of selecting a method of assessing value, which offers grounds for the practice of creative accounting.
Different Approaches to Measure Conversion of Financial Statements and Disclosure Issues
Authors: Ionica Oncioiu , Tănase Alin Eliodor
Published: September 2022

A company's conversion of financial statements is a well-known instrument in the development and management control domains, but its usage in the area of corporate disclosure reveals significant uses. In this chapter, the term “conversion” refers to the process that takes place whenever the currency in which the financial statements are created is different from the currency in which they are presented. Additionally, this chapter presents the significant managerial debates that arise throughout the process of converting financial statements. The findings reveal that financial statement conversion is only applicable if the firm whose financial statements are being converted has a functioning currency that is not in a hyperinflationary economy.
Digital Explorations in Archive Drawings
Authors: Vattano Starlight
Published: September 2022

The chapter shows some of the outcomes of a research project begun in 2021 in collaboration with the Archivio Progetti Iuav of Venice, with the aim of disseminating the drawings, documents, and projects preserved. On the basis of the documentary collection including pieces, projects, models, together with a conspicuous repository of photographs and reproductions, the research deepens a little-explored aspect of an unbuilt Venice, circumscribing the investigation scope to the 20th century masters of architecture who contributed in rethinking the urban form of the lagoon city, such as Luciano Semerani's project for the sestiere of Cannaregio Ovest in 1978. The discussion on the Venetian structural system, the urban trace, and the architectural configuration is re-established in a dialogue between its history and its contemporaneity. This is achieved starting from the digital models and virtual tours with in-depth texts that integrate the information actions with respect to the qualities of the architectures and urban spaces activated and consulted with the exploration of the model.
CFD Based Design Optimization of Tail Boom Strake for Hover and Sideward Flight Performance
Authors:   Turkish Aerospace Inc., Kurban Furkan , Senipek Murat , G�ng�r Osman , Ezertas Alper
Published: September 2022

CFD based multi-point multi objective optimization method is performed to search optimum tail boom strake geometry in order to improve helicopter hover and sideward flight (10kts, 20kts, 30kts and 40kts) performance at hot and high atmospheric conditions. Upper and lower strake geometries are parametrized by using NX CAD tool and effect of the designed strake geometries are analyzed at specified flight conditions by using computation fluid dynamic (CFD) methods. Star CCM+ is used as mesher and solver. Downwash of the main and tail rotor is modelled by using built-in virtual disk model in Star CCM+. Optimization is performed by using multi-point multi objective optimization tool HEEDS and multi-objective SHERPA optimization algorithm is preferred for optimization. Accumulated pedal improvement and total power reduction are specified as objectives. At the end of the optimization workflow, improvements of the best strakes on pedal input and power required at hover are investigated. Furthermore, sensitivity of the design parameters, population of the design space and flow field around tail boom are examined in detail.
The Effect of Blade Tip Sweep Angle on Forward Flight Performance of a High-speed Helicopter
Authors:   Japan Aerospace Exploration Agency - JAXA, Kimura Keita , Tanabe Yasutada , Sugiura Masahiko
Published: September 2022

This paper discusses the change in forward flight performance and its mechanism when a sweep angle is added to the rotor blades of a high-speed helicopter, based on the results of CFD (computational fluid dynamics) analysis. The results of the study of the concept of maintaining the rotor disk horizontal in flight confirmed that a blade with a forward sweep angle can be expected to provide several percent additional performance improvement. This is due to the fact that the dynamic pressure changes with azimuth angle at the point where the sweep angle is added to compensate for the effect of rotor wake, which reduces the thrust at the aft half of the rotor, making it easier to balance the rotor moment. A detailed discussion of this mechanism is included based on the wake speed distribution and the blade pressure distribution at the relevant azimuth angles.
Design and Optimization of Innovative Tiltrotor Wing Control Surfaces through a Coupled Multibody - Mid-fidelity Aerodynamics Simulations
Authors:   Politecnico di Milano, Savino Alberto ,   CEiiA, Cardoso Joao ,   RMIT University, Muscarello Vincenzo , Cocco Alessandro , Zanoni Andrea , Gaspari Alessandro , Zanottti Alex , Carvalhais Daniel
Published: September 2022

The present work proposes a novel approach, based on a series of co-simulations combined with an optimization procedure, used to perform the preliminary sizing of the control surfaces of the NextGen Civil TilRotor (NGCTR) and the relative actuation systems. The activity is collocated in the framework of the FORMOSA Clean Sky 2 project which has the aim of designing an innovative solution for the wing movable surfaces able to incorporate multiple functions (download alleviation, flap, aileron) thus reducing the complexity of the actuation system. The optimization procedure, based on a Design of Experiment approach, is then exploited to define the best aileron configuration to improve the roll performance, trying to reduce the time to bank.