bluuebunny/crossref_metadata_2025 huggingface dataset:
Stability of Supersonic Boundary Layer with Internal Heat Supply and Injection of Homogeneous Gas through a Porous Wall
Authors: Gaponov S. A.
Published: December 2023

The influence of the Mach number and Reynolds number on the stability of the boundary layer with internal heat supply  and homogeneous gas injection through the porous wall is studied. At a fixed Mach numbers, the dependence of perturbation amplification rate on the distance to the plate leading edge is not monotonic. As the Reynolds number increases,  the phase velocity tends to the velocity at the inflection generalizing point. Two-dimensional waves are the most growing in the boundary layer. With increasing Mach number and a fixed distance from the plate, edge there is a strong stabilization of the boundary layer. At M=4 the amplification rate maximum decreases in comparison with the corresponding  value at M=0 by more than an magnitude order, and the length of the stable boundary layer increases by a factor of 2. At  the same time, a frequency at the neutral curve critical point decreases by a factor of about three. It has been establishing  that both in the absence of gas injection through a porous wall and in its presence, the internal heat supply has a stabilizing effect on the boundary layer. Within the adopted model of heat supply at M=3 the degree of amplification decreases  by about one and a half times in comparison with the case without internal heating of the boundary layer
Intradermal radiofrequency treatment for stubborn acne scar
Authors: Agarwal Madhuri , Lodha Ayushi
Published: December 2023

Atrophic acne scars are common sequelae of acne, which can be disfiguring and cause emotional distress in many people because they mainly affect the face and are constantly present in their everyday lives. There are various procedural and surgical treatments available, each with its own limitations. It can be very difficult to perform subcision or punch excision in cases with multiple deep atrophic scars, and lasers may not be very effective in uplifting the rolling scars. Hence, we performed intradermal radiofrequency (RF) in our patients with stubborn scars. The RF energy was delivered while performing subcision in all the scars, which helped in collagen remodeling and improving the scars.
Efecto de la luz, la humedad y la salinidad sobre el crecimiento de los organismos que componen la costra biológica del suelo
Authors: Garcia Vanesa R. , Aranibar Julieta N. , Villagra Pablo E.
Published: December 2023

Las tierras secas constituyen ~41% de la superficie terrestre y sufren degradación, erosión de suelos, disminución de la cobertura y la diversidad de plantas vasculares y de costras biológicas del suelo. Las biocostras son comunidades de organismos como cianobacterias, líquenes, algas y briófitas asociadas a partículas del suelo. Este estudio tiene como objetivo identificar condiciones óptimas de crecimiento de las costras biológicas mediante ensayos de propagación en vivero bajo distintos niveles de luz, humedad y salinidad. En invernadero se cultivaron distintos tipos de costras, dominadas por cianobacterias, cianolíquenes y musgos. Las biocostras fueron cultivadas en macetas bajo tratamientos de radiación (alta, media y baja) y riego (agua destilada cada tres y dos semanas, y riego semanal). A otro grupo de macetas se le agregó sal disuelta en el agua de riego (S1: 0.05 M de NaCl; S2: 0.1 M de NaCl). La cobertura total y por tipo funcional de costras se determinó mediante fotografías de cada maceta utilizando el software libre SamplePoint. Los resultados indicaron que la cobertura total de costras aumentó luego de 24 meses de cultivo y fue superior con los tratamientos de riego semanal para los niveles de radiación media y baja. Las macetas sembradas con musgos alcanzaron mayores coberturas de costras, más del 70%, seguidas por las macetas sembradas con cianobacterias y cianolíquenes. En macetas sin siembra también crecieron costras biológicas, favorecidas por las radiaciones bajas y medias con máximo nivel de riego. Además, al finalizar el ensayo, las cianobacterias crecieron en macetas sembradas con todos los tipos funcionales. El riego con solución salina perjudicó la cobertura de biocostras con respecto a las macetas sin agregado de solución salina. En conclusión, el tipo funcional sembrado, como cianobacterias y musgos, la radiación baja y máxima frecuencia de riego beneficiaron el crecimiento de las costras.
Siyasal Propaganda Bağlamında Sosyal Medya ve Kamuoyu
Authors: ACAR Oğuzcan
Published: December 2023

Dijital çağın başat bir unsuru olarak sosyal medya, gündelik yaşamın bir parçası hâline gelmiştir. Bu yaygınlık, kavramın çeşitli disiplinlere ait kavramlarla ilişkili olarak incelenmesine imkân tanımaktadır. Bu çalışmada ise sosyal medya ile ilişkileri bağlamında siyasal propaganda ve kamuoyu kavramları değerlendirilmiştir. Dijitalleşmeyle birlikte büyük değişimler geçiren bu kavramların yeni niteliklerini, sosyal medyanın yapısal niteliklerinden ayrı ele almak mümkün değildir. Siyasal propaganda, klasik medyanın vakit, nakit ve etki açısından sağlayamadığı avantajlardan faydalanarak dijital bir propaganda formuna bürünmüştür. Bu durum, elbette propagandanın odağında bulunan kamuoyunun, dijital platformlarda şekillendirilmesine imkân tanıyan bir zemin yaratmıştır. Böylelikle kamuoyu, dijitalleşmenin getirdiği yeni teknik imkânlar dahilinde manipülasyonu çok daha kolay bir yapıya indirgenmiştir. Başta sosyal medyadaki kullanıcı verilerinin analizi olmak üzere çeşitli yöntemler propaganda politikalarının üretimini ve kamuoyunun yönlendirilmesini kolaylaştırmaktadır. İşbu çalışma kavramların özgül manalarına ve birbirleri arasındaki ilişkiye temel bir imleme yapmak gayesiyle hazırlanmıştır.
Library in the Space of Books and Events of the 36th Moscow International Book Fair
Authors: Volkhonskaya Elena N.
Published: December 2023

From August 30 to September 3, 2023, the 36th Moscow International Book Fair was held at the Expo Centre Central Exhibition Complex on Krasnopresnenskaya Embankment. The Forum brought together participants from various regions of Russia, as well as representatives of 21 countries, including seven countries of the Commonwealth of Independent States, Germany, China and Iran, and was attended by more than 34 thousand people. The VKontakte social network has become a partner of online broadcasts and the official MIBF network. More than 300 events were held at seven venues. Publishers from Moscow, St. Petersburg and 26 other Russian regions presented their books.

The article presents an annual review of the activities of the MIBF: The National competition “Book of the Year — 2023”, the competition of the Russian Library Association “The Best professional Book of the Year”, the 3rd Readers’ Assembly of the Commonwealth, the industry conference “Book Market of Russia — 2023”, the Moscow International Children’s Book Fair. In the event context of the most relevant events for the library industry, libraries’ understanding of their role in the socio-cultural life of society is revealed: achievements and initiatives aimed at preserving heritage, promoting books and reading are noted, new projects, including book publishing, are presented, the results of the participation of the Russian State Library and the publishing house “Pashkov Dom” in the MIBF-2023 are summed up.
Impact of the COVID-19 Pandemic on Mortality and Health Resource Use in an Aged Population and Differences According to Frailty Status
Authors:   Research Unit, Consorci Sanitari del Maresme, Spain, Prat Mateu Serra , Colomer Júlia Serra ,   Department of Social Sciences, Pompeu Fabra University, Spain, Lavado Àngel ,   Information Management Unit, Consorci Sanitari del Maresme, Spain, Cabré Mateu ,   Internal Medicine Department, Consorci Sanitari del Maresme, Spain, Burdoy Emili ,   Primary Care Department, Consorci Sanitari del Maresme, Spain
Published: December 2023

Background: The COVID-19 pandemic severely affected the aged population and healthcare system functioning. Aim: To evaluate the impact of COVID-19 on mortality and health resource use in an aged population and to determine whether the impact differed according to frailty status. Methods: A population-based observational longitudinal study comparing pre-pandemic and pandemic variables was performed using data retrospectively collected from computerized clinical histories. The study population included all inhabitants aged =65 years corresponding to three primary care centres in Barcelona province (Spain). Data were collected on mortality, institutionalization, hospital admissions, emergency visits, outpatient visits, primary care visits, and day hospital sessions in the pre-pandemic (2018-2019) and pandemic (2020-2021) periods. Frailty status was established according to the Electronic Screening Index of Frailty (e-SIF). Results: 9315 individuals were included in the pre-pandemic cohort (75.4 years, 56% women) and 9774 in the pandemic cohort (73.3 years, 56% women). Compared with the pre-pandemic period, in the pandemic period, mortality overall increased by 21.7% (14.7% for non-frail and 33.0% for frail individuals); emergency visits, hospitalizations, and day hospital sessions decreased by 23.1%, 12.1%, and 3.7%, respectively, and primary care visits increased by 15.0%. Conclusions: For the population aged =65 years in the COVID-19 pandemic period, the mortality of frail individuals was greater than overall mortality for this population, and frailty prevalence overall decreased by 5%. In terms of resource use, use of hospital services decreased and of primary care services increased.
A Case Report of an Effective Treatment for Syndrome of Inappropriate Secretion of Antidiuretic Hormone with Integration of Western Medicine and Traditional Chinese Medicine
Authors:   Hebei Yiling Hospital, Shijiazhuang 050091, China, GU Jiaojiao , Kong Qing ,   Hebei Yiling Hospital, Shijiazhuang 050091, China, Gao Huailin ,   Hebei Yiling Hospital, Shijiazhuang 050091, China
Published: December 2023

Background: Syndrome of Inappropriate secretion of Antidiuretic Hormone (SIADH) is a group of disorders in which free water excretion is impaired due to increased Arginine Vaso Pressin (AVP) secretion in the absence of renal or endocrine dysfunction, which in turn leads to hypotonic hyponatremia. In this case report, we describe the diagnostic process of a patient with SIADH and the treatment with integration of Western and Chinese medicine. Case Presentation: A 69-year-old man was admitted to our hospital for intermittent hand tremors. He was diagnosed with hyponatremia based on laboratory tests. However, after 2 weeks of sodium supplementation, his condition did not improve. Combined with Pituitary MRI, 24h urine sodium and other laboratory tests, he was diagnosed with SIADH. After taking oral tolvaptan and traditional Chinese medicine Rehmanniae Decoction of Six Ingredients granules, his symptoms were alleviated and the serum sodium normalized. Conclusion: SIADH could be as an etiology for hyponatremia that is difficult-to-correct, and traditional Chinese medicine may have some efficacy and advantages.
Fluorotelomer ethoxylates cause developmental toxicity in mice
Authors: Steeves Katherine , Hanrahan Jenna , Harvey Nikita , Jobst Karl , Cahill Lindsay
Published: December 2023

Poly- and perfluoroalkyl substances are a ubiquitous class of compounds which are considered persistent organic pollutants. Many of these compounds are unregulated and understudied but are still widely used. One group of these compounds are fluorotelomer ethoxylates, which recently emerged as compounds of interest following their recent detection in the environment. To determine the health impacts of these persistent compounds, healthy pregnant CD-1 mice were exposed to 0 ng/L (n=8), 5 ng/L (n=8), or 100 ng/L (n=7) fluorotelomer ethoxylates in drinking water throughout gestation. At gestational day 17.5 (term is 18.5 days), high-frequency ultrasound was performed to investigate the placental and fetal hemodynamic responses following exposure. Maternal exposure to fluorotelomer ethoxylates showed evidence of placental insufficiency, with a significant increase in placental weights (p<0.05), a decrease in the umbilical artery blood flow (p<0.01) and vasodilation of the cerebral circulation (p<0.01), consistent with brain sparing to preserve oxygen delivery to the brain. These results demonstrate that fluorotelomer ethoxylates cause developmental toxicity and motivate further work to evaluate the risk to human pregnancies and other vulnerable populations.
Cobalt(III) Halide Metal-Organic Frameworks Drive Catalytic Halogen Exchange
Authors: Azbell Tyler , Milner Phillip
Published: December 2023

The selective halogenation of complex (hetero)aromatic systems is a critical yet challenging transformation relevant to medicinal chemistry, agriculture, and biomedical imaging. However, current methods are limited by toxic reagents, ex-pensive homogeneous second- and third-row transition metal catalysts, and/or poor substrate tolerance. Herein, we demonstrate that porous metal–organic frameworks (MOFs) containing terminal Co(III) halide sites represent a rare and general class of heterogeneous catalysts for the controlled installation of chlorine and fluorine centers into electron-deficient (hetero)aryl bromides using simple metal halide salts. Mechanistic studies support that these halogen exchange (halex) reactions proceed via redox-neutral nucleophilic aromatic substitution (SNAr) at the Co(III) sites. The MOF-based halex catalysts are recyclable, enable scalable halogenation with minimal waste generation, and facilitate halex in contin-uous flow. Our findings represent the first example of SNAr catalysis using MOFs, expanding the lexicon of synthetic trans-formations enabled by these materials.
The effect of applying International Accounting Standard 12 (income taxes) in the activation of the tax system
Authors: Mahmoud Baban , Ahmed Ramyar
Published: December 2023

The study aims to diagnose the effect of applying International Accounting Standard 12 (income taxes) on tax accounting processes on the one hand, and to identify the reflection of the financial statements as a mediating variable in the relationship between International Accounting Standard 12 (income taxes) as an independent variable and the approved variable for tax accounting. In order to answer these questions, the tax departments were selected as well as a sample of academics specialized in the field of accounting and tax accounting at the University of Sulaymaniyah in the Kurdistan Region - Iraq as a field of study and a source for obtaining the data collected by the questionnaire distributed to a sample of professionals working in the tax departments as well as a sample of Academics specialized in the field of accounting and tax accounting, numbering (127), from which (100) valid forms were retrieved for statistical analysis. The questionnaire was used to collect the required data  to analyze it in order to reach the results of the study in both its theoretical and practical aspects. A hypothetical scheme was formulated that reflects the harmonious relationships and influence between the dimensions of the study, which are (International Accounting Standard 12 (income taxes), financial statements, and tax accounting). objectives and implementation of its plan. The field verification was consistent with the theoretical objective, which proved the existence of relationships between the dimensions studied. The study reached a set of conclusions, the most important of which is the existence of an impact relationship for International Accounting Standard 12 (income taxes) in activating tax accounting with the presence of financial statements. In light of the conclusions reached by the study, a number of proposals were presented, the most important of which is related to the need for timing decisions to expand attention and focus more on applying International Accounting Standard 12 (income taxes) to better activate tax accounting processes.
Situación actual y perspectivas de la producción de palta (Persea americana) peruana en el contexto del comercio internacional
Authors: Flores-Izquierdo Manuel Antonio , Espinoza-Villanueva Luis Enrique
Published: December 2023

El presente artículo tiene como objetivo describir la situación actual y las perspectivas de la producción de palta peruana en el contexto del comercio internacional, a través de un diseño no experimental del tipo descriptivo. A partir de ello, se obtuvo que la producción y la exportación de palta peruana se mantiene en auge y con pronósticos positivos. Asimismo, en el 2021 el país cosechó 779 mil toneladas de palta y exportó 526 mil toneladas. Para el 2024, se espera un crecimiento del 10 % en las exportaciones respecto al 2023, con una proyección de exportación de 725 mil toneladas de palta fresca. El alza se atribuye a las inversiones previas y al fuerte compromiso de los productores locales y al incremento de la productividad de los campos. Las regiones de La Libertad, Lambayeque, Ayacucho y Huancavciones climáticas adversas en el 2023, la industria logró cumplir con sus estimaciones.
Identificación de distritos potenciales para la implementación de sinergias industriales aplicables a mipymes manufactureras de Lima metropolitana
Authors: Prada Alvarez Aldair Edison
Published: December 2023

Las sinergias industriales son prácticas diseñadas para optimizar el manejo de recursos mediante el uso de residuos sólidos y material de descarte, como materias primas, para promover un ciclo sostenible y continuo en la producción y consumo industrial. El diseño metodológico de esta investigación comprende un análisis documental con un enfoque cualitativo y de alcance descriptivo, con el objetivo de identificar los distritos en Lima Metropolitana con potencialidad de implementar sinergias industriales (SI) aplicables en mipymes manufactureras. Los resultados señalan que el grupo industrial de fabricación de productos textiles es el grupo con mayor cantidad de mipymes manufactureras. Asimismo, los distritos de Lima Metropolitana con mayor potencialidad para implementar SI son San Juan de Lurigancho, Ate, Santiago de Surco y San Martín de Porres. Estos resultados permiten una comprensión de las oportunidades y desafíos para la transición hacia una economía circular en el sector industrial, lo que proporciona una base para futuras propuestas y acciones estratégicas sectoriales.
Study of the physical and mechanical properties of capirona (Calycophyllum spruceanum [Bentham] Hooker f. ex Schumann) wood as a potential for solid wood flooring production
Authors: Egoavil Cueva Gálvez Graciela Isabel , Pereira da Rocha Márcio , Klitzker Ricardo Jorge , Castro Tamayo Pamela Carolina
Published: December 2023

The present study aimed to determine the physical and mechanical properties of a 20-year-old plantation of the species Calycophyllum spruceanum, known in Peru as “capirona,” for its potential for wood flooring production. For this purpose, samples were collected from six trees in a plantation located in the district of Curimaná, department of Ucayali, Peru. Physical and mechanical property tests were conducted following the American Society for Testing and Materials (ASTM) D143-94(2000) standard. The results showed that capirona has a basic density of 0,68 g/cm3, which is considered a heavy wood, and exhibits moderate dimensional stability. The mechanical properties demonstrated that the wood has a high resistance to bending and compression parallel to the grain, and a very high resistance to compression perpendicular to the grain, hardness, shear, and toughness. Based on the Peruvian Technical Standard (NTP) 251.135:2013, the characteristics of capirona wood for flooring were evaluated, yielding positive results and indicating its potential for solid wood flooring production.
Future scenarios of the copper industry. A prospective study of the sector in Peru
Authors: Arévalo Rodríguez Santiago , Piscoya Álvarez Joaquín Eduardo
Published: December 2023

Mining has led to multiple social conflicts between communities and companies. However, at the same time, it has been the activity with the greatest contribution to Peru’s gross domestic product for more than a decade, especially copper mining. The importance of copper lies in the fact that it is one of the basic raw materials for the manufacture of products and the expansion of global industries. This research seeks to identify and analyze the possible behavioral scenarios that will support copper mining in the next five years. Foresight (projection of future scenarios), along with the judgment of experts in the field, was used for conducting the research. This methodology employs a non-experimental design and aims at both exploratory and descriptive results. The main findings include an increase in the electricity cost for mining and the continuation of an unfavorable political leadership for its development. It is clear that this issue is taking place in a sensitive context due to the constant social conflicts that occur in favor of the growth of industry. This study will undoubtedly propose solutions to this disparity and will research whether, in any scenario, copper mining and the total population of a copper-rich country can really coexist.
Criterion of Completeness and Submaximal Ultraclones for Linear Hyperfunctions of Rank 2
Authors:   Dorzhi Banzarov Buryat State University, Sharankhaev I. K.
Published: December 2023

In recent years, the direction associated with the study of maps from a finite set A to the set of all subsets of the set A, including the empty one, has been intensively developing. Such mappings are called multifunctions on A, as well as hyperfunctions on A, if an empty subset is excluded from the subsets under consideration. It is not difficult to see that the so-called undefined or undefined functions, which are studied in many works, are most directly related to this field of research. The power of the set A is called the rank of multifunction or hyperfunction. Obviously, multifunctions and hyperfunctions generalize well-known functions of k-valued logic, however, it should be noted that the usual superposition of functions of k-valued logic is not suitable for multifunctions and hyperfunctions. Two types of superpositions are most often considered here, one of them leads to sets closed relative to the superposition, which are called multiclones and hyperclones, and for the second type of superposition, closed sets are called ultraclones and partial ultraclones. In this article, the elements of the rank 2 ultraclone lattice are considered. By now, all the maximum and minimum elements of this lattice are known. For example, Panteleev V.I. described all maximal ultraclones in the predicate language, which allowed us to prove the completeness criterion of an arbitrary system of hyperfunctions of rank 2. We managed to prove the completeness criterion in the maximal ultraclone of linear hyperfunctions of rank 2. Thus, all submaximal ultraclones of linear hyperfunctions are described.
Optimal Control by a Cascade System of Hyperbolic and Ordinary Delayed Differential Equation
Authors:   Irkutsk State University, Arguchintsev A. V. , Poplevko V. P. ,   Irkutsk State University
Published: December 2023

In the class of smooth control functions, an optimal control problem of firstorder semilinear hyperbolic equations is investigated. We consider the case when the functional parameter in the right side of the hyperbolic system is determined from the controlled system of ordinary differential equations with constant state delay. Control functions are restricted by pointwise (amplitude) constraints. Problems of this kind arise when modeling a number of processes of population dynamics, interaction of a fluid (liquid or gas) with solids, etc. Optimal control methods based on the use of the Pontryagin maximum principle, its consequences and modifications are not applicable for such problems. The proposed approach is based on a special control variation, which ensures the smoothness of variable controls and the fulfillment of restrictions. The necessary optimality condition is proved. A scheme of a method for improving permissible control based on this condition is proposed, the convergence of the method is justified. An illustrative example is given.
Arbitrary-order Sampling and Hand Motion Modeling with Transformers
Authors:   , Clarke Maxwell
Published: December 2023

Transformer models have been quickly taking over many tasks in the field of deep learning, due to their versatility while maintaining high performance. This thesis provides an introduction to transformer models, presents experiments with new ways of sampling data with them, and then applies them to the domain of hand motion modeling.

Firstly, a comprehensive introduction to transformer models is given, including the attention operation, masking, architecture variants, and different pre-training tasks.

Secondly, an experiment is presented using a probabilistic transformer model on the MNIST dataset, which was trained so that it is capable of arbitrary-order sampling. The experiment compares different sampling orders, including some dynamic sampling order heuristics based on the entropy. The experiments find that such sampling orders introduce a statistical bias into the samples.

Lastly, the problem domain of hand motion modeling is introduced, and transformer models are trained to generate hand-motion sequences, via self-supervised learning on a motion-capture dataset. Both deterministic and probabilistic models are trained. The deterministic models can generate realistic-looking hand motions, but cannot be directed to generate specific motions. The probabilistic model performs poorly.
THE EFFECT OF LEARNING MODELS PROBLEM SOLVING ON STUDENTS METACOGNITIVE KNOWLEDGE IN CLASS XI IPA SMAN 10 MAKASSAR (STUDY OF ACID BASE MATERIALS)
Authors: Amruddin Muh. Fatih , Jusniar Jusniar , Sugiarti Sugiarti
Published: December 2023

The aim of this research is to know the influence of learning model problem solving on metacognitive knowledge in class XI IPA SMAN 10 Makassar on acid base material. The research method used is quasi-experimental with a quantitative approach and using posttest-only control group design. The research population is the entire XI IPA class with a total of two classes. Research samples are class XI IPA 6 as an experimental group and class XIIPA 5 as a control group. Data gathering techniques use expression tests to obtain metacognitive knowledge data. Data analysis is done using descriptive and inferential statistics. The results of the statistical analysis obtained the average metacognitive knowledge test of the experimental group 71.2 higher than the control group 58.2. The results of inferential statistical analysis of the metacognitive knowledge test results of the students showed that the data of the experimental and control groups came from homogeneous but not normally distributed populations, so the hypothetical test used was the Mann-Whitney test. From the data the results of the analysis show Zhitung (4.51) > Ztable. (1.64). Based on the results of the analysis, it can be concluded that there is an influence of the learning model Problem Solving on the metacognitive knowledge of students of grade XI High School State 10 Makassar on the acid base material.
Commentary and Reflection on Contemporary Graphic Architecture through Kant's Aesthetic Critique Theory
Authors: Gao Yuanben
Published: December 2023

Since the beginning of the 21st century, a wave of innovative graphic architecture has emerged. However, these architectural works seem to have failed to inherit the profound aesthetics and sense of beauty associated with classical graphic architecture from history. Instead, they often exhibit superficial and exaggerated qualities, sparking widespread debate and criticism. This paper aims to integrate Immanuel Kant's aesthetic critique perspective, as presented in his work "Critique of Judgment," into the discourse on contemporary graphic architecture. By incorporating Kant's analyses and arguments regarding "agreeable," "beauty," and the "sublime" into discussions of contemporary architectural aesthetics, we seek to analyze and compare the similarities and differences between these new graphic architectural works and their classical predecessors. Ultimately, we arrive at the conclusion that these contemporary graphic architectural works, which often appear superficial and clichéd, are not deserving of admiration. At the same time, we propose recommendations for the design of future graphic architecture based on these insights.
PROPOSED IS A COUNTEREXAMPLEFOR THE DIAGONAL METHOD OF GEORG CANTOR
Authors: Stukach Mykola
Published: December 2023

The diagonal method proposed by Georg Cantor is a proof that unenumerable sets exist. For example, the set of all subsets of the set of all natural numbers; or the set of all binary sequencies; or the set of all decimals fractions belong in gto the interval [0; 1) are allegedly not countable. This raises doubts about the axiom of choice. For the set of all binary sequences, it is proposed to call “native” the enumeration defined by the rule: “If the reisabinary sequence (a0, a1, a2, a3, …), all which elements belong to set {0,1}, then its exact position in the “native enumeration” calculates by the formula a0× 20+a1× 21+a2× 22+a3× 23+…, where×–the multiplication sign (all arithmetic operations are performed in one of number system, such as decimal, and without limitation of digit capacity)”. Proofs are given that "native enumeration" is a counterexample for George Cantor's diagonal method.Keywords: discrete mathematics, counter example, enumeration of set, enuberable set, unenuberable set, fabulist Aesop, Guilherme Figueredo, mathematical intuition, diagonal method of Georg Cantor, circus trick, infinite set, cardinality of set, the set of all subsets of a set, the set of all binary sequencies, axiom of choice, set of all real numbers, 1+2+3+4+… .
Cardigan Makrame Dengan Hiasan Bada Mudiak
Authors: Ramadhani Sylvi Chyntia , Akbar Taufik , Yulimarni Yulimarni , Hendratno Hendratno
Published: December 2023

Bada Mudiak is a Minangkabau pattern inspired by fish. Bada Mudiak means small fish facing upstream. This pattern contains the meaning of life that is harmonious, compact, one-sided, harmonious, one-way, and purposeful. The concept of the work created is the application of Bada Mudiak to macrame cardigan created in the size and placement of Bada Mudiak pattern. The method used is called Gustami SP's three-stage theory, started from exploring the process of searching or exploring to make direct observations to find out Bada Mudiak's pattern as well as looking for reference sources and images through literature study. Designing starts from sketching, designing and continuing with the embodiment process by preparing the materials and tools used. The work was created using 2 mm black, yellow, and red cotton rope. Macrame technique is used to create cardigans, and embroidery techniques is used to combine Bada Mudiak pattern on it.Each work created has a different meaning and title, namely: Ka Hulu, Indak Saliang Manyalo, Bairingan, Basamo Balapang-Lapang, Cilako Jikok Basilang, Saraso, and Tongga Babeleng. Keywords: Bada Mudiak, Cardigan, Macrame, Embroider
Educational Issues of Development of Future Music Teacher’s Creative Potential in the Course of Metodological Training
Authors: Datsenko Mariia
Published: December 2023

Modern society is characterised by rapid changes in all areas of life, which especially affects the development of educational space where new values and digital technologies, new lifestyles that require advanced educational and pedagogical conditions.
The personality development takes place throughout the entire life, yet, it becomes of particular importance at the stage of undergoing professional training in a higher education institution when the foundations of professional qualities of a specialist are formed. That is why creative potential as a personal trait of a future music teacher is gaining more and more relevance at the current stage of development of higher education, as the effectiveness of a student’s future professional activity depends not only on professional skills and abilities, but also on a student’s personal creative development.
For a long period of time, the issues of methodological training of future specialists in the field of music were considered in line with the concept of social behaviour regulation due to the way the respective educational process was organized. The current processes in Ukraine necessitate the reinvention of the conceptual foundations of the training of future music teachers.

The paper considers current educational issues of development of creative potential of a future music teacher in the course of metodological training. It analyses the state of the studied issue in psychological and pedagogical theory and practice, determines the objective and reveals the essence of pedagogical conditions in the educational process and their effect on development of the creative potential of a futur
The Museum of Musical Instruments as a Means of Optimizing the Professional Training of the Future Bachelor of Musical Arts
Authors: Svyrydenko Nataliya
Published: December 2023

The article presents the history of organization if the museum of musical instruments. The idea of its exposition was formed by the rare keyboard instruments, collected within many years of expert activity. The experience of internship in the European museums and universities had influenced the vision of the evaluation and determination of cultural values among musical instruments.
The preparation and teaching of the disciplines “The Expertise of Musical Instruments”, “Clavier and Piano Performance”, “The History of Harpsichord and Piano Art”, “The History of Styles and Performing Interpretation”, 11 articles in research journals, devoted to historical instruments, together with more than 50 years of performing activity on many stages of our country and Europe have demonstrated that the instrument has great importance in the process of getting of the high level of professionalism and the reception of musical material by the audience.
Professional Training of Future Specialists in the Field of Culture and Arts on the Basis of Axiological Approach
Authors: Shetelya Natalia
Published: December 2023

The article examines the professional development of future specialists in the field of culture and arts on the basis of axiological approach. The author identifies the essence of the basic concepts of research, focuses on the formation of values in the process of artistic and cultural-educational activities, interpretation of intonation and image content of a musical work, possible approaches to the concept of choreographic composition or staging. It is argued that the axiological orientation of education contributes to the involvement of artistic values and gaining experience in transmitting these values, development of intellectual and creative abilities and abilities in a particular art, which characterize the professional development and self-improvement of future culture and arts.
Auditory Self-Control in the Training of Future Teacher of Music Art in Instrumental Ensemble Classes
Authors: Isaienko Hanna
Published: December 2023

The article examines the essence of the concepts “self-control”, and “auditory self-control”, characterises their meaning and purpose. Scientific works which determine the essence of the concepts “musical-auditory self-control”, “musical hearing”, “ensemble”, their content and structural components are analysed. Current works of modern scientists who investigate the self-control of future teachers of music art in various types of educational and instrumental performance activities are highlighted. The article substantiates the role of auditory self-monitoring of the future music teacher in instrumental ensemble classes, in particular the violinist ensemble. It is emphasised that collective music making is one of the most complex types of music activity and has its own specifics. And teaching music is a multifaceted process in which the teacher must not only develop professional performing skills, but also cultivate healthy aesthetic tastes and a broad artistic outlook. It is determined that auditory self-control is based on a person’s ability to perceive, realise and evaluate the result of his own activity. Three stages of studying a musical piece in instrumental ensemble classes are also considered, indicating the role of auditory self-control of a future music teacher in this process. At the first stage, attention is focused on laying solid foundations for the development of the most important elements of instrumental ensemble sonority of violinists, nuances. The second stage gives us the widest space for the practical implementation of artistic ideas. And, finally, the tasks of the third final stage are to give the performance artistic integrity and completeness. This period completes all previously performed work, improving the performance of the work to the possible limits.
Comparison of State Department of Transportation Practices in Analyzing Risks for Large Infrastructure Projects
Authors: Shrestha Joseph , Fielden Jacob , Uddin Mohammad
Published: December 2023

Construction projects are inherently associated with various risks that can increase the project costs. Identifying and analyzing such risks are essential to successfully managing construction budgets at state Departments of Transportation (DOTs). While many state DOTs have developed and/or adopted risk assessments methodologies and tools, Tennessee DOT (TDOT) lacks a comprehensive methodology and tool to analyze construction project risks. This study reviewed state DOT practices of analyzing various risks associated with large infrastructure construction projects. The comparison of risk assessment practices among state DOTs are summarized in three sections: a) risk management, b) major categories affecting project costs, and c) risk estimating tools and practices. The review finds that many state DOTs have similar practices of analyzing project risks and have developed spreadsheet-based tools to automate such analysis. While some risk analysis tools are used primarily for qualitative risk analysis, other tools are developed for qualitative and quantitative risk analysis. Such tools with qualitative and quantitative risk analysis can be used to quantify contingencies for various projects for budgeting purposes.
Political Consumerism in the Built Environment
Authors: Coakley Brendan , Aiken K. Damon
Published: December 2023

Architectural, engineering, and construction firms design the built environment in a continuing effort to appeal to the home-buying public. Firms’ decisions include the exterior finishes that the public see and judge. The main objective of this study was to investigate whether material design elements from the built environment would commonly be perceived to have a political affiliation. Additionally, the study investigated if political consumerism could be seen in respondents’ perceptions of the materials when aligned with (or in conflict with) their party. Architectural renderings of the same home with different exteriors (i.e., brick, stucco, or painted wood siding) were presented as experimental stimuli. The study collected data from 584 nationwide respondents. Interestingly, both major parties of Republicans and Democrats identified wood siding as representing their own political party while identifying an alternate exterior finish (usually brick) as representing their opposing party. The political consumerism behavior of reward was uncovered in respondents placing a higher perceived value on the exterior finish with which they identified.
Analyzing the Safety Risk Factors and Adaptation Measures in Downstream Oil and Gas Industry
Authors: Shah Raj , Tayyab Muhammad , Kraidi Layth
Published: December 2023

Existing risk management practices in Downstream Oil and Gas Industry (DOGI) are ineffective in reducing the frequency of incidents and delays in the turnaround projects. The underestimation of safety risk impacts during the turnaround projects is the root cause of shocking accidents and delays in the DOGI. The paper focuses on analyzing the critical Safety Risk Factors (SRFs) and the potential Risk Adaptation Measures (RAMs) associated with turnaround projects. Current literature was reviewed to explore the complexity of risk management approaches and design a questionnaire survey based on the literature findings. The survey was conducted via online, and the collected data based on 72 samples were analyzed to identify the critical SRFs and the effective RAMs using the relative risk index method. Interviews were conducted with experts to evaluate the survey findings. It is found that SRFs such as fire and explosion hazards are the most critical, followed by slips, trips, and falls; confined space; motor and vehicle accidents and injuries. The study reveals that increasing safety awareness and empowering to key staffs may be an effective way of mitigating the safety risks. The paper concludes that there is strategic difference in risk assessment practices and adopted technology in safety risk mitigations between underdeveloped and developed countries.
The Impact of Mechanical & Plumbing Change Orders on USACE Construction Projects
Authors: Jacobson Mark , Kramer Scott
Published: December 2023

This research studied contract change orders at five U.S. Army Corp of Engineers (USACE) Districts over the past twenty-one years with a combined value of $3,689,742,841. These districts represent a broad spectrum of federal contracting across the entire United States and every type of construction contract from major military projects to minor repair work to national civil infrastructure. Of the 44,887 contract changes studied, 4,061 were identified as specifically related to the Mechanical and Plumbing trades. These changes were evaluated for magnitude, frequency and time extension. The Mechanical and Plumbing trades were selected because they are typically among the last major construction features prior to the completion date. Previous research estimates that change orders in the last 20% of a project timeline should be weighted 6 times more heavily than change orders in the first 20% (Hanna et al., 1999). The results indicate that Mechanical and Plumbing change orders do have a higher likelihood of extending the timeline of a project. It also showed that the dollar value impact was relatively low compared to other changes. Ultimately the database of contract changes generated during this research could provide a critical data source for future studies, particularly of federal construction contracting.
Evaluating the Quality of Experience of Supplemental Instructional Videos
Authors: Barnes Andrew , McCoy Andrew , Bowen Bradley
Published: December 2023

Evidence shows that the college-age generation prefers learning by video to all other methods. However, many instructional videos produced by faculty and staff amount to little more than recorded lectures, causing students to report that they are long, dull, low-quality, and ineffective. As part of a broader study on object-based learning, this paper reports the attitudes that construction management students have toward a popular type of instructional video called supplemental instructional videos (SIVs). SIVs are designed to aid and reinforce primary learning materials and methods, not replace them or merely enhance them. The SIVs were produced by the instructors in accordance with an interdisciplinary curation of the latest literature covering the proper design and development of instructional videos. Data were collected using mixed methods and the Quality of Experience (QoE) strategy, relying on surveys and interviews to draw conclusions about student perspectives. Overwhelmingly, participants stated their preference for SIVs and reported that they improved their understanding of the subject matter. In spite of this, surprisingly, students were divided as to whether the SIVs had any real impact on their performance in terms of grades. The research also confirmed that SIVs are most appropriate for complex learning topics.
Multi-Objective Maintenance Optimization Model to Minimize Maintenance Costs While Maximizing Performance of Bridges
Authors: Ghafoori Mahdi , Abdallah Moatassem , Ozbek Mehmet
Published: December 2023

Proper maintenance planning for bridges is necessary as it impacts the performance, safety, and maintenance costs. Implementing less costly interventions on time can reduce the deterioration of components, enhance performance of bridges, and prevent necessity of costly interventions. However, maintenance of bridges is often delayed due to lack of proper planning and limitations of recourses such as funds. This paper presents the development of a multi-objective maintenance optimization model for bridges that can identify optimum trade-offs between two important objectives of minimizing maintenance costs and maximizing performance of bridges. To this end, a multi-objective model is developed in three main steps: (i) formulation step where decision variables, objective function, and constraints are identified and formulated; (ii) implementation step that performs the model computations; and (iii) performance evaluation step where a case study is analyzed to illustrate the capabilities of the developed model. The computations of the optimization model are implemented using epsilon-constraint method and binary linear programing due to their capability of identifying optimal solutions in a short computational time. The case study results illustrated that the developed model identified pareto-optimal solutions of the above optimization objectives for a study period of 50 years.
Sense of Belonging: Exploring the Narratives of Latinx Construction Education Students
Authors: Burgoon Jared , Ogunrinde Olugbenro , Roebuck II Anthony
Published: December 2023

The demand for construction managers (CMs) in the United States continues to increase. Being predominately white and male-centric has not helped reduce the challenge that comes with the need for more CM professionals. This research explores the lived experience and supports systems Latinx students experience in construction education at a predominately white university utilizing the Latinx critical race theory (LatCrit) lens. Four first generation Latinx undergraduate students - two Latino (male) and two Latina (female) - participated in this study, and a semi-structured interview protocol that the Institution Review Board (IRB) approved was utilized. All study participants shared insights and reflected on their "sense of belonging" as construction education students at a predominantly white university. The female participants, in particular, explored how being a woman with limited construction work experience created a barrier to their sense of belonging. "Sources of support" like participating in a learning community, counterspaces, professor support, group involvement, and volunteer opportunities helped to boost individual morale and sense of belonging.
AI for Improving Construction Safety: A Systematic Literature Review
Authors: Gao Zhili , Sultan Asad
Published: December 2023

Artificial intelligence (AI) has been adopted and applied in many fields and has now become one of the emerging technologies in the automation of the construction industry, which has gained a lot of attention from researchers in recent years. Much research work has been done on applying AI to improve construction safety. However, the current research work is focused on improving safety in separate individual construction tasks and the developed models lack real-world applications. Therefore, a systematic literature review has been conducted on the use of AI including machine learning and deep learning in improving safety in construction practice. After the review of the existing literature, the current applications and practices of AI are identified and classified. This will help in developing a new generalized framework that focuses on the entire construction process for improving safety. The limitations and the potential improvements in the existing AI techniques have been identified which will benefit future studies.