bluuebunny/crossref_metadata_2025 huggingface dataset:
The Processing Propagation of Microalgae Botryococcus Sp. Cultivation in Palm Oil Mill Effluent Materials
Authors: Abdullah L. , Apandi N.M. , Sunar N.M. , Arifin S.N.H. , Haron M. , Nagarajah R. , Cheong K. , Heng C. , Soon C.F. , Nabiałek M.
Published: September 2024

Palm Oil Mill Effluent Materials (POME) are significantly more contaminated than municipal sewage due to their high chemical and biological oxygen demand (BOD and COD). This study examines the properties of POME wastewater under typical physical settings to track the growth conditions of microalgae, namely Botryococcus sp., in various volumes at varying POME dilutions. Begin with analyzing POME’s water quality measurements and conclude the growing conditions of microalgae. Botryococcus sp. microalgae could not flourish in diluted raw POME. However, it was well propagated in diluted anaerobic POME under adequate light and oxygen conditions. The finding shows that diluted anaerobic POME 70% is the ideal dilution for microalgae Botryococcus sp. to proliferate. Raw POME is physically described as a thick, brownish liquid with a high total solids and turbidity concentration that is contained in water. The study explores the use of Botryococcus sp. culture and propagation in POME materials for sustainable bioenergy production, highlighting the potential of microalgae for future economic benefits.
The Use of UFG Metals Obtained in SPD Processes in the Sheet Metal Microforming
Authors: Presz W. , Jasiński C. , Orłowska M.
Published: September 2024

The paper presents the process of preparing UFG metal in the form of 0.2 mm thick foil made of 6060 aluminium alloy, intended for micro-forming operations. The material was obtained in a hybrid SPD process involving ECAP (Equal Channel Angular Pressing), multi-upsetting and rolling. In addition, a selected batch of material was subjected to supersaturation before ECAP. A method for determining formability in the conditions of the sheet metal forming process was proposed, including micro-drawing with the preceding preform preparation process in the micro-blanking process. Noticeable differences were found for different series of the prepared material after the upsetting process, however, the effect of supersaturation before the ECAP process on the formability in the conditions of the sheet metal microforming process was not observed.
Effect of Mn Addition on the Corrosion and Fatigue Properties of a Progressive Secondary A357 Alloy
Authors: Pastierovičová L. , Kuchariková L. , Tillová E. , Zatkalíková V. , Uhríčik M. , Liptáková T. , Chalupová M.
Published: September 2024

As the modern automotive industry is looking for lightweight alternatives to minimize car emissions and fuel consumption, recycled Al-Si alloys play a key role in achieving this due to their lightweight, high specific strength, good castability, and corrosion resistance. In contrast to many other benefits, these alloys have reduced metallurgical micropurity as a result of recycling. The most significant complication of alloys is iron contamination. Higher Fe contents cause β-Fe-intermetallic phases in the form of long and brittle platelets that negatively affect corrosion resistance and fatigue. Neutralizing elements lead to the formation of less harmful α-Fe-rich phases, therefore a positive effect on properties is also expected. For this reason, the study investigates the effect of Mn addition on the corrosion properties achieved by immersion test and potentiodynamic polarization test and fatigue of secondary AlSi7Mg0.6 secondary alloy.
Influence of Shape of Gating System on Pouring Time and Filling of a Sprue with the Use of MAGMA5 Optimization
Authors: Vasková I. , Fecko D. , Delimanová P. , Jankovčin L. , Hrubovčáková M.
Published: September 2024

Present hectic times do not allow the foundrymen to test various modifications of gating system in real production due to lack of time and efficiency of production phase. When testing of tens or hundreds of modifications is needed, simulation software MAGMA5 and its optimization procedure comes into place. This article deals with choosing the best design of gating system which will ensure the filling of the sprue as soon as possible together with possible shortening of pouring time on Disamatic line. Soonest filling of the sprue will ensure that no air is entraped in the molten metal which is entering the cavity of the mold and no air bubbles would occur in the final casting after pouring. With this goal achieved, foundry can secure the production of castings. There is a big chance chance to decrease the pouring time of the mold, which will make the production more effective.
Effects of Dolomite Geopolymer Filler on Mechanical Properties of Glass Fibre Reinforced Epoxy Composite
Authors: Shahari S. , Ghazali M.F. , Al Bakri Abdullah M.M. , Lih Tan Ch. , Faheem M.T.M. , Darmawan V.E.B.
Published: September 2024

The effect of the incorporation of dolomite based geopolymer on the tensile and flexural properties of glass fibre reinforced epoxy composite were investigated. Composites containing different weight percentages of fillers (2.5, 5.0 and 7.5 wt.%) were fabricated using hand lay-up and vacuum bagging techniques. The experimental results showed that the dolomite based geopolymer contributed to the detrimental effect on tensile strength of the composite with 2.5 wt.% incorporation of the filler contributed to the least detrimental effect. 2.5 wt.% incorporation of dolomite based geopolymer meanwhile improved flexural strength by 13.04%.
Numerical Simulation of Methane Distribution at the Longwall Working with Various Stages of Shearer Advance
Authors: Janoszek Tomasz
Published: September 2024

The article presents a methodology for predicting the impact of the longwall shearer’s control parameter on methane emission rate to the working of a longwall based on computational fluid dynamics (CFD) methods. The methodology was applied to the Z-11a longwall panel conditions at the Jankowice Hard Coal Mine. The results of the methane emissions rate in the working of a longwall for three variations of the position of the longwall shearer are shown and discussed. The modelled issue’s geometry, numerical grid, assumptions, and boundary conditions are presented. The filtration parameters of goafs are discussed. Relationships to estimate the various sources of methane emissions into the air flowing around the longwall panel Z-11a are presented. The results of the model tests were compared with the mining data in the Z-11a longwall panel at the Jankowice Hard Coal Mine.
Experimental Investigation on Microstructure Evolution and Creep Behaviour of Red Sandstone at Elevated Temperature
Authors: Yang PuChao , Wen Jun , Wenan Xie , Dai Gang , Yang Xiuting
Published: September 2024

The changes in the physical and mechanical properties of rocks under high temperatures can impact the construction safety and stability of underground geotechnical engineering. This study focuses on red sandstone treated at different temperatures, employing nuclear magnetic resonance (NMR) spectroscopy to reveal alterations in the internal pore distribution due to elevated temperatures. The results indicate that high temperatures lead to the formation of micro- to meso scale pores and macro-scale pores and cracks. Additionally, high temperatures cause a significant reduction in load-bearing capacity, accompanied by changes in creep behaviour, including a shortened steady-state creep time and an increased strain threshold for rock failure. To more accurately describe the creep behaviour of red sandstone under different temperatures and stress conditions, a novel non-constant creep model is proposed, combining a generalised Kelvin body and a fractional viscoplastic body to demonstrate its versatility in elastic, viscoelastic, and viscoplastic deformation. The model parameters are determined through numerical optimisation, and the model’s reliability is confirmed by comparing theoretical curves with experimental data. Sensitivity analysis highlights the critical roles of parameters such as shear modulus, viscosity coefficient, fractional order, and characteristic parameters in capturing various creep patterns, emphasising the model’s wide applicability. This research provides profound insights into the physical and mechanical responses of red sandstone to high temperatures and offers valuable information for engineering and geological applications in relevant fields.
Operational Employability Model: A Case Study of Graduate Employability in Croatia
Authors: Tecilazić Ana
Published: September 2024

Background

The employability of graduates has become a central topic in higher education policy and research. However, the construct still needs to be clarified.

Objectives

The objective of this paper is to demonstrate the applicability of an operational employability model in analysing the transition from study to work on a sample of graduates in Croatia as part of a larger Eurograduate pilot survey. The model has been rooted in the theories of human capital, cultural and social capital and constructivist educational theory.

Methods/Approach

Factor analysis was applied to reduce the number of measured variables into factor scores that were used as predictors in multiple regression analysis. Cox regression, logistic regression and linear regression were applied to test the employability model.

Results

The results showed that cultural capital, human capital, and bridging social capital, as well as high-impact practises during studies, such as volunteering and internships, have a positive impact on the likelihood of finding employment in less time after graduation in an occupation that vertically matches the qualification, and in a job with a higher monthly income.

Conclusions

The results have shown that cultural capital, human capital, and bridging social capital influence the probability of finding employment in a job that matches the level of qualification in a shorter time after graduation and in a job with a higher monthly income. These findings have practical implications for educators, policymakers, and employers, providing insights into the factors that can enhance graduate employability.
Habitat Suitability Modelling of White-Bellied Pangolin (Phataginus tricuspis) in Oluwa Forest Reserve, Ondo State, Nigeria
Authors: Adeniji Adebola Esther , Ejidike Bernadette Nwandu , Olaniyi Oluwatobi Emmanuel
Published: September 2024

Most endangered species face a significant threat from habitat loss. The destruction and degradation of natural tropical forest across West Africa has likely been the biggest threat to White-bellied Pangolin and has contributed to their decline as they depend on the habitat for different resources like food, water, and shelter. The current study investigated the habitat suitability of white-bellied pangolins in Oluwa Forest Reserve. The presence data of White-bellied pangolin was collected by taking the Global Positioning System (GPS) coordinates of the indirect signs observed. These data, along with the 19 bioclimatic variables, slopes, soil PH, soil texture, distance to rivers, distance to roads, and Normalized Difference Vegetation Index (NDVI), were used to generate habitat suitability maps using MaxEnt software. The MaxEnt analysis showed that out of 781 km2 available for White bellied Pangolin during dry season, 338 km2 was highly suitable, 209 km2 was suitable, 126 km2 was moderately suitable, 65 km2 was less suitable and 44 km2 was not suitable. During the wet season 235 km2 was highly suitable, 225 km2 was suitable, 164 km2 was moderately suitable, 100 km2 was less suitable and 57 km2 was not suitable habitat. The jackknife test of variable contribution revealed that during the dry season, NDVI was the most important predictor variable as measured by the gain produced by a one-variable model, followed by aspects such as distance to the river, slope, distance to the road, and temperature seasonality. During the wet season, the jackknife-cross-validation test showed the highest gain when NDVI was used in isolation. Aspects were found to be the second most important predictor variable as measured by the gain produced by a one-variable model, followed by distance to the road, slope, elevation, and the mean temperature of the wettest quarter.
Comparative analysis of the performance of selected machine learning algorithms depending on the size of the training sample
Authors: Kupidura Przemysław , Kępa Agnieszka , Krawczyk Piotr
Published: September 2024

The article presents an analysis of the effectiveness of selected machine learning methods: Random Forest (RF), Extreme Gradient Boosting (XGB), and Support Vector Machine (SVM) in the classification of land use and cover in satellite images. Several variants of each algorithm were tested, adopting different parameters typical for each of them. Each variant was classified multiple (20) times, using training samples of different sizes: from 100 pixels to 200,000 pixels. The tests were conducted independently on 3 Sentinel-2 satellite images, identifying 5 basic land cover classes: built-up areas, soil, forest, water, and low vegetation. Typical metrics were used for the accuracy assessment: Cohen’s kappa coefficient, overall accuracy (for whole images), as well as F-1 score, precision, and recall (for individual classes). The results obtained for different images were consistent and clearly indicated an increase in classification accuracy with the increase in the size of the training sample. They also showed that among the tested algorithms, the XGB algorithm is the most sensitive to the size of the training sample, while the least sensitive is SVM, which achieved relatively good results even when using training samples of the smallest sizes. At the same time, it was pointed out that while in the case of RF and XGB algorithms the differences between the tested variants were slight, the effectiveness of SVM was very much dependent on the gamma parameter – with too high values of this parameter, the model showed a tendency to overfit, which did not allow for satisfactory results.
AI tools: are they a challenge for academic integrity?
Authors: Mircioiu Corina-Elena
Published: September 2024

In the contemporary period, we assist incredible discoveries with the advent of artificial intelligence (AI). Although designed with the role of providing support and helping the entire population in a wide variety of fields, the phenomenon is accompanied by potential risks, especially encountered in the field of education and research. The work is based on mixed methods of data collection and analysis, namely bibliometric, content, and interview analyzes, carried out with the help of Biblioshiny and Ligre v.6.5.1 software programs, to outline the relationship between AI and academic integrity, with a focus on the means, methods, and techniques specific to the use of AI, as well as the causes and favorable and unfavorable effects generated. The recent journey of these two concepts together is revealed, as well as their promising future. The most representative element of AI in the academic environment is ChatGPT, developed by the company OpenAI, which, together with other tools of this type, leads to educational innovation, improvement of critical thinking, efficiency, and effectiveness of the activity, while also having adverse valences such as risk of committing academic misconduct, addiction, the absence of human contacts, and emotionality.
Ascensiune cu eleganță: factori-cheie de succes în leadershipul feminin din organizații
Authors: Vișan Denisa Ana-Maria
Published: September 2024

Mediul de business se confruntă cu o mulțime de provocări, deoarece societatea contemporană este în continuă schimbare, în special atunci când discutăm despre conducerea unei organizații. Întrucât în ultimele decenii s-a constatat că există o tendință ascendentă în rândul femeilor de a ocupa poziții de conducere, am vrut să vedem care sunt factorii ce asigură succesul cu precădere în leadershipul feminin din organizații. În acest sens, au fost evidențiate importanța competențelor și abilităților unui lider de succes, precum și a stilurilor de leadership adoptate, văzute din perspectiva angajaților. În urma administrării anchetei pe bază de chestionar, au fost colectate răspunsurile a 255 de angajați cu vârsta minimă de 18 ani, iar acestea au fost analizate, utilizându-se testele chisquare și Mann-Whitney. În final, am putut observa că liderii de gen feminin dețin în mai mare măsură competențe și abilități ale unui lider de succes față de liderii de gen masculin. Mai mult, stilurile de leadership adoptate de femei se concentrează pe oameni, în vreme ce stilurile adoptate de bărbați se concentrează pe rezultate. Această lucrare contribuie la conturarea imaginii leadership-ului feminin, aducând numeroase explicații privind competențele, abilitățile și stilul de leadership adoptat de către un lider prin prisma genului.
Caracterul proactiv al angajaților și modul prin care acesta influențează procesul de inovare în cadrul organizațiilor
Authors: Sescu Andrei , Stan Miruna-Georgiana
Published: September 2024

Inovarea este recunoscută ca fiind un determinant esențial pentru succesul și competitivitatea organizațiilor. Unul dintre principalii factori care influențează procesul de inovare este proactivitatea angajaților. Comportamentul proactiv al angajaților face referire la autodepășirea sinelui, fiind orientat spre o continuă schimbare. Această lucrare de cercetare își propune să analizeze în ce măsură caracterul proactiv al angajaților influențează procesul de inovare în cadrul organizațiilor. Astfel, cercetarea este fundamentată la nivelul a două perspective complementare: perspectiva teoretică care sustrage studii și cercetări relevante din domeniul psihologiei, managementului strategic și cel al resurselor umane și perspectiva practică, bazată pe o cercetare de tip chestionar, care analizează angajatul și încearcă să sublinieze pe de o parte, comportamentul proactiv al acestuia, iar pe de altă parte legătura cu nivelul de inovare din organizații. Rezultatele cercetării arată că există o legătură între comportamentul proactiv și nivelul de inovare din organizații și că aceasta tinde să fie una moderată, pozitivă. Mai mult, nu ar exista diferențe de gen, de funcție ocupată sau domeniu de activitate între respondenți în ceea ce privește măsura în care aceștia dezvoltă un comportament proactiv.
El manejo y el potencial forrajero de las arvenses en la milpa tradicional Otomí
Authors: Osornio-Aguilar Manuel
Published: September 2024

Objetivo: analizar el manejo y potencial forrajero de las arvenses en la milpa tradicional otomí en las comunidades de Acambay, México; calcular sus rendimientos como forraje verde y biomasa e identificar los etnotaxones. Metodología: la investigación se formuló desde de un marco histórico y conceptual y con técnicas del método etnográfico: once recorridos en comunidad y aplicación de entrevistas semiestructuradas a doce personajes clave; se analizaron el manejo y los usos de las arvenses; se aplicó un muestreo en tres comunidades en áreas de 12 m2 por parcela para identificar las etnotaxas y calcular rendimientos. Resultados: se identificó el manejo estratégico de las arvenses desde el saber hacer tradicional con importancia regional vinculada a la producción de leche bovina; se registraron 31 etnotaxones, cuyo rendimiento como forraje verde asciende a 6.8 t./ha. y 3.8 t./ha. de biomasa que representa un ahorro de 24,613.13 pesos por ciclo agrícola. Limitaciones: se requieren mayores recursos para profundizar en el estudio de los usos alimentarios, medicinales y forrajeros de las arvenses. Conclusiones: los campesinos otomíes cultivan y revaloran maíces nativos y policultivos; para ellos, el corazón productivo y cultural sigue estructurado en torno a la milpa y las arvenses. Así, el presente trabajo muestra la vigencia del uso estratégico y la importancia regional de las arvenses en el ámbito forrajero y la producción de leche.
Utinga State Park: Producing Ecosystem Services and Mitigating Climate Change
Authors: Velloso Leônidas Pompeu Leão , Reis Cássio Pinho dos , Ferraz Diogo , Silva Elizabete Maria da , Cruz Cláudio Roberto Rodrigues , Rocha Leila
Published: September 2024

Objective: To qualitatively and quantitatively analyze the importance of a natural asset from an economic and environmental perspective, through a process of valuation and estimation of the economic value of the Camilo Viana Utinga State Park (PEUT).
 
Theoretical Framework: Based on the concepts of sustainability, climate change and environmental and ecosystem indicators, with a focus on the interrelationship between the environment, society and the economy.
 
Method: A literature review on the construction of environmental and ecosystem indicators based on 13 variables for the contingent valuation approach and a comparison with the two other valuation approaches: the carbon credit market method and the timber price or benefit-cost method.
 
Results and Discussion: The results show that keeping the forest standing is much more positive, both in terms of sustainability, climate change mitigation and the economy, based on the values obtained from the three approaches applied.
 
Research implication: The research has contributed to understanding contemporary economic and environmental challenges, providing support for the construction of more assertive and effective public policies.
 
Originality/Value: The study proposes a practical approach to evaluating the promotion of ecosystem and environmental services, providing data for the formulation of more effective public policies in urban areas.
Metaverse: an Educational Tool in Business Science Programs
Authors: Vanegas Carolina Vargas , Sánchez Jorge Mario Moreno
Published: September 2024

Objective: This study aims to explore the perception and experience of the Metaverse in the educational context of Business Sciences, identifying opportunities and challenges in its integration.
 
Theoretical Framework: Key concepts about the Metaverse and its application in education are presented, highlighting its potential to enhance accessibility, interactivity, and collaboration in learning.
 
Method: A qualitative methodology is employed, including Likert surveys, semi-structured interviews, and focus groups with students, professors, graduates, and entrepreneurs. Data were analyzed through content analysis and categorized for interpretation.
 
Results and Discussion: The results show a mostly positive perception of the Metaverse and highlight its ability to generate a dynamic educational experience, but challenges such as accessibility and user experience quality are identified. These findings are discussed in relation to the theoretical framework, indicating implications and areas for improvement.
 
Research Implications: Practical and theoretical implications of integrating the Metaverse into business education are discussed, emphasizing the need for training and improvement of technological infrastructure. The importance of designing innovative pedagogical strategies to fully leverage the potential of the Metaverse in learning is emphasized.
 
Originality/Value: This study contributes to the literature by exploring the perception of the Metaverse in a specific educational context. Additionally, it underscores the need to address technical and logistical challenges to ensure successful integration and provides recommendations for enhancing the learning experience.
The Stigmatisation of Poor Citizens Living in Slums in Brazil: the Rio de Janeiro Scenario as a Study Paradigm
Authors: Portugal Fernando Luz Sinimbu
Published: September 2024

Objective: This paper aims to encourage reflection on the causes and consequences of the (lack of) public policies and the intersubjective peculiarities that exist between marginalized residents and civil society in general.
 
Theoretical framework: This article is based on the lessons, research and considerations of Anthony Leeds, Karl Marx, Ricardo Mariano, Bruno Manso and Viviane Costa.
 
Method: Use of micro and macro sociological dialectical methodology as complementary methods of analysis of Rio de Janeiro's “favelas”, which are briefly historicized, described and problematized.
 
Results and discussion: Rio de Janeiro's “favelas” were used as a model and concrete object of analysis of precariousness, the lack of emancipatory public policies and, in effect, the insecurity experienced by residents of marginalized regions in Brazil.
 
Implications of the research: It is concluded that there are structural problems linked to the precarious living conditions of marginalized people and the formation of a reserve army of workers, as well as intersubjective issues linked to public safety and the lack of interest of public agents in implementing emancipatory public policies.
 
Originality/value: This is a current, reflective and critical discussion in the face of the undue and inadequate State of Affairs in Brazil, notably related to the outskirts, socioeconomically excluded people and those on the margins of Brazilian society.
The Importance of Supplementary Private Pension as a Form of Life Planning
Authors: Alecrim Graziella Veloso Freitas , Seixas Bernardo Silva de
Published: September 2024

Objective: The objective of this study is to analyze the importance of supplementary private pensions, despite its main characteristic being its non-mandatory nature.
 
Theoretical Framework: The approach to the importance of private pensions is justified because it is increasingly necessary for citizens to plan their future, especially due to the unknowns that current social security represents, given so many reforms and changes as governments succeed.
 
Method: The methodology adopted for this research is a bibliographical and qualitative review, with a survey of materials available on doctrinal and academic bases that follow the historical evolution of social security, as well as discussing its essentiality to the insured's quality of life and the expansion of this institute that It can be a means of adding to the income of those who retire
 
Results and Discussion: The results obtained revealed that it is concluded that, through the advancement of the private supplementary pension trajectory, this system has great potential for expansion and growth, and furthermore, the recognition of private supplementary pension can become a reference for new workers to ensure a financially more peaceful retirement.
 
Research Implications: The practical and theoretical implications of this research are discussed, providing insights into how the results can be applied or influence practices in the field of Social Security Law. These implications may even include labor issues.
 
Originality/Value: This study contributes to the literature by addressing a topic that has not yet been discussed much, since the main focus is on social security and not private security.
TURBA SASTRAWAN LEKRA DALAM RESISTENSI KELAS PEKERJA: HISTORIOGRAFI SASTRA INDONESIA PERIODE 1960-AN
Authors: Zulfikar Mohammad Fikri , Marwan Iwan , Saryono Djoko , Syahri Mochammad
Published: September 2024

This study aims to describe the efforts made by the writers of the People's Cultural Institute (Lekra) in describing the resistance of the peasants and workers in their literary works so that they are better known by the wider community. Among them is using the descending method or commonly known as the abbreviation Turba to see the immediate conditions of the people from the peasants and workers' lives. This research uses a qualitative research type with a historiographical approach which is a tool in seeing the motives, types, and themes of literary works that develop in society. The data of this study refers to a group of information from text readings and historical facts. Sources of research data include the Harian People's newspaper as the primary source and other library materials as a complement. Data accessed from the collections of the H.B. Literature Documentation Center (PDS). Jassin to the Jakarta National Library (Perpusnas). The research instrument is the researcher himself (human instrument). This research yielded information about (1) the background of turba, (2) the turba method, (3) the experiences of lekra writers doing turba, and (4) the works of lekra writers which describe the resistance of the peasants and workers.
La fusión campo-ciudad en un nuevo concepto de vivienda
Authors: Iglesias García Verónica , Ruíz Xavier , Martínez Harold , Rojas Montes Josman , Cárdenas Harold , Mejía Guillermo
Published: September 2024

En América Latina gran parte de la población campesina migra hacia la ciudad, donde pasan a ser habitantes urbanos. Esta población de orígenes diversos conserva, en muchos casos, los saberes sobre el mundo natural, los cuales deberían ser parte estructurante de las políticas urbanas. La fusión campo-ciudad en un nuevo concepto de vivienda urbana y rural se fundamenta en el principio de interacción asociativa que rige al mundo natural, en el principio comunitario que caracteriza en gran medida al mundo campesino y en el principio de reciprocidad hacia la Tierra. La investigación hace un recorrido histórico por algunas realizaciones de Occidente desde el siglo XIX y XX que tuvieron el objetivo de conjugar el concepto de ciudad con el de campo. Se presenta un marco teórico compuesto por los conceptos del habitar, el habitar biocéntrico, antropocéntrico y ecocéntrico, la verde fuerza del suelo y su reciprocidad, y de un nuevo concepto de vivienda, que orientan el acercamiento proyectual. Las dos propuestas de diseño se ubican en el Valle del Cauca, Colombia; uno, en una población intermedia, y otro, en una gran ciudad. En ambos contextos se desarrollaron dos modelos de vivienda en altura que integraron el cultivo de alimentos, así como estrategias de diseño sostenible. En consonancia con las palabras de Arturo Escobar para el prólogo: ¿Cómo sería vivir en un territorio vivo, pleno y fecundo, una región de bosques y aguas vivas, de gentes laboriosas que sepan entretejerse con sus entornos y espacios urbanos y no urbanos a medida que buscan la salubridad, comodidad y ludicidad colectivas? La respuesta a esta pregunta implica la búsqueda de la transformación del concepto de ciudad moderna en uno que oriente soluciones ecológicas encaminadas a restaurar, proteger, conservar y, de manera definitiva, disfrutar la habitabilidad del planeta.
Análisis y reflexiones sobre la mujer en la Revolución Mexicana a partir de la novela La Negra Angustias de Francisco Rojas
Authors: Navarro Fuentes Carlos Alberto
Published: September 2024

El objetivo central de este trabajo consiste en abordar la novela de Francisco Rojas González La negra Angustias (1944), con la intención de ofrecer un marco contextual de la Revolución Mexicana apoyados en fragmentos de esta, y describiendo el papel de las mujeres mexicanas a principios del siglo XX, reflexionando en torno a la identidad del personaje de La Negra Angustias. Además, ofrecemos una revisión crítica del legado de la obra de Francisco Rojas La Negra Angustias, estableciendo un marco de referencia a propósito de la novela de la Revolución Mexicana, en donde historia y literatura guardan una relación de carácter asintótico, siendo la propuesta literaria enmarcada en La Negra Angustias una que resalta el papel femenino protagónico en la lucha armada. Se concluye que la mujer tuvo una participación singular de importancia en el contexto revolucionario con voluntad y ánimos propios, estableciendo casos particulares de algunos de estos.
The OSCE and the conflicts in South Ossetia and Abkhazia from the perspective of international law
Authors:   Doctoral student at the Department of International Public Law of the Baku State University (Azerbaijan), Ahmadov Etibar
Published: September 2024

The study examined the OSCE's contribution to the peaceful settlement of the socalled frozen conflicts in South Ossetia and Abkhazia. From 1992 to the present, the OSCE has been making significant efforts to achieve a final settlement of these conflicts. It is known that the consequences of the August 2008 war turned out to be unfavorable for the activities of the OSCE Mission in Georgia, which had been functioning since 1992, and caused its closure at the end of the same year. However, immediately after this event, the OSCE's participation in the peace process was quickly restored, albeit in a modified form: as a co-mediator of the GID and coordinator of the IPRM in Ergneti. So, this work is devoted to the study of the role of the OSCE in the settlement of conflicts in South Ossetia and Abkhazia, in the period from 1992 to 2024, with an emphasis on the international legal aspects of its participation, as well as the analysis of the legal framework on the basis of which the legality of the declaration of independence by the breakaway Georgian territories should be determined.
Acute Lymphatic Leukemia Masquerading as Recurrent Acute Kidney Injury – A Case Report
Authors: Narayanan Ranjit , Hafeeq Benil , Gopinathan Jyotish Chalil , Aziz Feroz , Krishnakumar Arvind , Aboobacker Ismail N , Rehman Shafeeque , Sulaiman Shabna , Nasimudeen Roshan , Aravindan K.P.
Published: September 2024

Acute kidney injury (AKI) is an uncommon presenting feature in acute lymphatic leukemia (ALL). We report an unusual case of a 15-year-old girl who has experienced multiple episodes of AKI over an 8 month period with unremarkable WBC counts. She now returned with constitutional symptoms and rapidly progressive renal failure with bulky kidneys, proteinuria, and sterile pyuria. A renal biopsy revealed diffuse interstitial infiltration with CD3 positive, TdT positive, and CD20 negative lymphoblasts, suggestive of acute T cell leukemia. Bone marrow studies and flow cytometry later confirmed the diagnosis of T cell ALL. Unfortunately, she succumbed to an intracranial bleed during the intensive phase of chemotherapy. In addition to the atypical presentation of ALL, this case highlights the importance of timely renal biopsy in cases of AKI, where the cause is unclear.
SISTEM NISBAH PADA PRODUK DEPOSITO MUDHARABAH BANK MUAMALAT KCP MADIUN
Authors: Meriastuti Novi , Fatmala Fenti , Nugrahaningtyas Andien , Novitasari Cornelia , Yusdita Elana Era
Published: September 2024

AbstrakDeposito pada Bank Muamalat berjalan dengan sistem syariah dengan akad mudharabah, melibatkan kerjasama antara pemilik dana (shahibul maal) dan pengelola dana (mudharib) untuk mencapai hasil usaha. Tujuan dari penelitian ini adalah untuk memahami perhitungan sistem nisbah deposito dengan akad mudharabah di Bank Muamalat Kantor Cabang Pembantu Madiun. Metode penelitian melibatkan observasi, dokumentasi, dan wawancara dengan pihak Bank Muamalat KCP Madiun, dengan menggunakan teknik analisis deskriptif kualitatif. Hasil penelitian menunjukkan bahwa penerapan nisbah produk deposito pada Bank Muamalat KCP Madiun telah sesuai dengan peraturan atau hukum yang mendasari produk deposito mudharabah yaitu Pasal 1 ayat 22 UU Republik Indonesia No.21 tahun 2008 yang membahas tentang perbankan syariah serta telah sesuai dengan PSAK yang berlaku yaitu PSAK 105: Akuntansi Mudharabah (PSAK 105) tentang sistem akuntansi syariah deposito mudharabah yang pertamakali dikeluarkan oleh Dewan Standar Akuntansi Keuangan Ikatan Akuntan Indonesia (DSAK IAI) pada 27 Juni 2007.AbstractDeposits at Bank Muamalat run using a sharia system with a mudharabah agreement, involving cooperation between the fund owner (shahibul maal) and the fund manager (mudharib) to achieve business results. The aim of this research is to understand the calculation of the deposit ratio system with mudharabah contracts at Bank Muamalat Madiun Sub-Branch Office. The research method involved observation, documentation and interviews with Bank Muamalat KCP Madiun, using qualitative descriptive analysis techniques. The results of the research show that the application of the deposit product ratio at Bank Muamalat KCP Madiun is in accordance with the regulations or laws underlying mudharabah deposit products, namely Article 1 paragraph 22 of Law of the Republic of Indonesia No. 21 of 2008 which discusses sharia banking and is in accordance with the applicable PSAK, namely PSAK 105: Mudharabah Accounting (PSAK 105) concerning the sharia accounting system for mudharabah deposits which was first issued by the Financial Accounting Standards Board of the Indonesian Accountants Association (DSAK IAI) on June 27 2007.
Discrepancies in the European Union’s Responses: Syrian versus Ukrainian Refugee Crises
Authors: Aşkar Karakır İrem , Akgül Durakçay Fulya
Published: September 2024

Irregular refugee flows have always constituted a serious concern for the European Union (EU). Thirteen years have passed since the starting of the Syrian Civil War and the number of displaced Syrians reached over 14 million (UNHCR 2024). While the Syrian refugee crisis was unfolding, Russian invasion of Ukraine in February 2022 has led to the emergence of an additional refugee crisis: the Ukrainian refugee crisis. The number of displaced Ukrainians reached nearly 6.5 million (UNHCR 2024). In the case of Syrian refugees, the EU have preferred to deliver humanitarian aid to those states hosting the largest number of Syrian refugees and to control irregular Syrian refugee flows rather than providing legal grants. In contrast to the case of Syrian refugees, member states largely provided Ukrainian refugees legal protection in the form of temporary protection. In this regard, while the EU has demonstrated its full commitment to 1951 Refugee Convention (Geneva Convention) regarding Ukrainian refugees, similar adherence cannot be observed in terms of Syrian refugees. The purpose of this study is to identify the responses of the EU institutions and EU member states to Syrian and Ukrainian refugee crises. Through a comparative analysis, this study spotlights the EU’s contrasting policies and the geopolitical, social, and economic considerations influencing the divergent responses towards these two refugee populations.
Контроль и управление качеством процесса сжигания в блочной газовой горелке
Authors: Телешев М.И. , Хуснутдинова Э.М. , Хамидуллина Г.Р. , Фахреева Д.Р. , Саушин И.И. , Гольцман А.Е.
Published: September 2024

Представлены результаты анализа причин возникновения гистерезиса уровня избытка кислорода в продуктах сгорания дутьевых газовых горелок. Приведен перечень используемых в мировой практике мер по уменьшению величины гистерезиса. Для блочных газовых горелок EMMA C2 и EMMA C3 производства ООО «НПП «Прома», представлены результаты экспериментальной оценки гистерезиса систем обеспечения работы горелки, а также результирующий эффект от принятых мер по его уменьшению.
ndustrial Internet of Things: риски и защита в цифровую эпоху
Authors: Винявский А.А.
Published: September 2024

Сформулированы проблемы в области кибербезопасности, которые характерны для устройств Industrial Internet of Things. Рассматривается подход «Лаборатории Касперского» к созданию конструктивно безопасных систем – кибериммунитет. Описываются практические преимущества кибериммунитета для промышленных предприятий на примере шлюза промышленных данных Kaspersky IoT Secure Gateway.
“La ideológica alienación parental es orden patriarcal por eficacia judicial”
Authors: Rivilli Silvina , Stola Enrique
Published: September 2024

Este artículo trata de señalar algunas variables a tener en cuenta para analizar casos de incesto-paterno-filial y otras agresiones sexuales a niños, niñas y adolescentes, las que, una vez judicializadas, generalmente colocan a las mujeres-madres-protectoras ante una realidad por ellas jamás imaginada al momento de efectuar la denuncia en sede judicial, en sus esfuerzos por encontrar contención y justicia. Veremos el papel que juega en todo el proceso esa construcción ideológica, por lo tanto inexistente y falsa, llamada alienación parental o síndrome-de-alienación-parental (SAP).
El mito de la madre maliciosa
Authors: Amatiello Natalia
Published: September 2024

El artículo propone el análisis del pseudo-concepto de alienación parental desde la historización del colectivo madres protectoras como parte de los movimientos feministas en la lucha contra el sistema patriarcal. Para esto, aborda el representante madre y toma como antecedente el modelo de lucha de las Madres de plaza de Mayo. Luego desarrolla la compleja problemática del abuso sexual contra niños, niñas y adolescentes, junto con el lugar de las madres protectoras en el develamiento y la ruta crítica que adviene en el ingreso al sistema judicial. De esta manera se llega al análisis del constructo de alienación parental como otra forma de violencia patriarcal y de negacionismo del abuso sexual en las infancias. Asimismo, se ofrecen ejemplos que dan cuenta de su incidencia en la construcción del sentido social de la problemática. Finalmente, se plantea el desafío de un cambio de sentido desde el estudio de la comunicación, la planificación estratégica y la colectivización de la lucha.
The effects of device degradation on perovskite solar cell impedance spectra: insights from a drift-diffusion model
Authors: Clarke Will , Cameron Petra , Richardson Giles
Published: September 2024

Adrift-diffusion model is used to investigate the effect of device degradation on the impedance response of a perovskite solar cell (PSC). Modifications are made to the open-source drift-diffusion software IonMonger to replicate the effects of a realistic lab protocol on an unstable PSC. These are modelled using a time-dependent degradation factor that simulates increases in the bulk SRH recombination rate. It is shown that degradation occurring during measurement can induce loops in the Nyquist plot and that there are subtle, but clear, distinctions between these loops and those that occur in non-degrading cells. Furthermore, impedance spectroscopy is demonstrated to be remarkably sensitive to changes in device power conversion efficiency. A PCE decrease of 0.18% during the experiment is sufficient to induce a visible loop in the Nyquist plot and a drop of 0.06% between successive measurements causes noticeable changes to the spectrum.
Convenient Lanthanum-Mediated Synthesis of Bulky tert-Alkyl Amines from Nitriles
Authors: Speed Alex , Burke Emily
Published: September 2024

Tert-alkyl amines can be conveniently prepared in one step from nitriles by a double addition of ethyl or propyl Grignard reagents mediated by commercially available lanthanum chloride-lithium chloride complex solution. The reaction operates on a variety of benzonitriles, with several heterocyclic nitriles and an alkyl nitrile also being suitable substrates.
Double-Brønsted Acidic Deep Eutectic Solvents and Their Applications as Solvents and Catalysts in Chemical Transformations
Authors: Torregrosa-Chinillach Alejandro , Gritti Alessandra , Brambilla Elisa , Del Grosso Dominica , Lepore Elison , Alonso Diego A. , Chinchilla Rafael , Abbiati Giorgio , Tiecco Matteo
Published: September 2024

The number of novel Deep Eutectic Solvents (DESs) liquids reported in literature is increasing in recent years thanks to the high number of H-bond capable molecules that possess the features to give stable liquids when mixed in binary systems. In this work a predictive approach based on the theoretical melting curves crossing points was used to generate a novel class of DESs: double Brønsted-acidic DESs. These liquids were identified as DESs thanks to the comparison of the experimental melting points with the theoretical curves and with ionic conductivity measures. Considering that the catalytic properties of the DESs are correlated with the properties of the forming molecules, the novel DESs were tested as acidic reaction media in model reactions. In the Claisen-Schmidt transformation, the double-acidic DESs gave excellent results. The indole synthesis from alkynes involved for the first time to our knowledge the use of simple Brønsted-acid catalysis without any metal or any other catalyst.
Iridium Complexes of a Bis(N-pyrrolyl)boryl/Bis(phosphine) PBP Pincer Ligand
Authors: Lee Samuel R. , Bhuvanesh Nattamai , Ozerov Oleg V.
Published: September 2024

This work reports the synthesis of a bis(pyrrolylphosphino)phenyl borane (PBP)Ph (2) and its incorporation of Ir by metal insertion into B–Ph to afford dipyrrolylboryl/bis(phosphine) pincer complex (PBP)Ir(Ph)Cl (3). Hydrogenolysis of 3 afforded (PBP)Ir(H)Cl (4). Compound 4 was converted into (PBP)IrCl2 (5a) via reaction with N-chlorosuccinimide, and exposure of 5a to CO produced (PBP)IrCl2(CO) (6a). Compounds 5a and 6a were converted into their analogs (PBP)IrI2 (5b) and (PBP)IrI2(CO) (6b) via metathesis with Me3SiI. Treatment of either 3 or 4 with Li[HAl(OBut)3] under H2 resulted in the formation of (PBP)IrH4 (7), with traces of 4 as a persistent impurity. Attempts to access 7 via the reaction of 4 with NaBH4 in isopropanol led to the loss of boron from the pincer and isolation of L2IrH5 (8, L = 2-diisopropylphosphinopyrrole). Compounds 4, 7, and 8 were examined as catalysts for alkane transfer dehydrogenation but displayed only modest activity. Solid-state structures of 6b and 7 were established by X-ray crystallography.
La Renta Básica en el Mundo. Argumentos, Experimentos, Historia
Authors: Hrubec Marek , Brabec Martin , Minářová Markéta
Published: September 2024

Este libro ofrece una introducción a la importante idea y práctica de la renta básica que se está convirtiendo en un tema cada vez más debatido no sólo entre los investigadores, sino también entre los ciudadanos y los políticos que los representan. El tema también se está abriendo paso cada vez más en los medios de comunicación de masas. La prestación de una renta básica permite satisfacer las necesidades básicas de los ciudadanos y liberar su potencial creativo para sus demás actividades, lo que podría elevar considerablemente su nivel de vida. Este libro analiza la renta básica presentando los principales argumentos y experimentos con la renta básica en Europa, las Américas, África y Asia. La renta básica ofrece la posibilidad de un gran cambio social y civilizatorio para todos.