bluuebunny/crossref_metadata_2025 huggingface dataset:
Evaluating the feasibility of an automated classifier for target-child-directed speech from LENA recordings
Authors: Bang Janet Y , Kachergis George , Weisleder Adriana , Marchman Virginia A.
Published: December 2022

Recent advances in recording technology provide unique opportunities to observe children’s everyday speech environments using daylong audio recordings. A number of studies have proposed that speech may support learning differently when speech is directed to a child (target child directed speech, tCDS) than when that speech is directed to others (ODS) (Shneidman & Goldin-Meadow, 2012; Weisleder & Fernald, 2013). To identify periods of tCDS and ODS, researchers typically rely on the time-consuming and laborious work of human listeners who consider numerous features when making judgments. Human listeners are also used to identify periods when children are sleeping or awake. In this paper, we detail our efforts to automate these processes. We analyzed over 1,000 hours of audio from daylong recordings of 153 English- and Spanish-speaking families in the U.S. with 17- to 28-month-old children that had been previously coded for periods of sleep, tCDS, and ODS. We first explored patterns of features that characterized periods of tCDS and ODS. Then, we evaluated two classifiers that were trained using automated measures generated from LENATM, including frequency (AWC, CTC, CVC) and duration (meaningful speech, distant speech, TV, noise, silence) measures. Results revealed high sensitivity and specificity in classifying periods of sleep, and moderate sensitivity and specificity in classifying periods of tCDS and ODS. Model-derived predictions from our tCDS/ODS classifier yielded similar patterns of correlations as previously-published findings, with variation in tCDS, but not ODS, positively linked to children’s later vocabularies (Weisleder & Fernald, 2013). This work offers promising tools for streamlining work with daylong recordings, thereby facilitating research that aims to better understand how children learn from their everyday speech environments.
Exploring Personal Crises Observed in Mass Shooters as Targets for Detection and Intervention Using Psychometric Network Analysis
Authors: West Samuel James , Thomson Nicholas D.
Published: December 2022

Objective: Mass shootings in the United States have received significant attention from the media and scholars alike. Recent work indicates that mass shootings are becoming more deadly in the US, making the identification of critical warning signs among would-be mass shooters of paramount importance. Methods: To this end we applied a regimen of psychometric network analyses to a dataset of crises observed among mass shooters (N = 177; Mage = 34.26, SDage = 12.31; 98.31% male) from the US prior to their attacks. We also conducted a regression and subsequent dominance analysis using these crisis indicators as covariates of shooting severity to identify which shared the most variability with shooting severity. Results: First, our exploratory graph analysis identified two specific groupings of crises: Distressed Isolation and Disturbed Affect. Next, our network analysis revealed that agitation was a highly important node due to the strong links it shared with mood instability and abusive behaviors. However, isolation yielded the greatest community cross-loading and the most edges in the network. We also found that depression and mood instability were the strongest correlates of shooting severity, as they shared the greatest amount of variability with shooting severity. Conclusion: We argue that social isolation is an ideal candidate for the acquaintances and communities of would-be shooters to intervene. Our findings are discussed within the framework of the path to intended violence model.
Toward Self-Regulated Learning in Aphasia Rehabilitation
Authors: Imaezue Gerald C. , Goral Mira
Published: December 2022

Active collaboration between speech-language pathologists (SLPs) and persons with aphasia (PWA) is essential for personalizing aphasia treatment and optimizing clinical outcomes during aphasia rehabilitation. Studies have demonstrated the feasibility and effectiveness of collaboration between SLPs and PWA during the goal setting phase of the intervention process in aphasia rehabilitation. However, it remains unclear whether this collaboration as well as PWA’s feedback can be applied and be beneficial to all phases of aphasia rehabilitation. Here we introduce a theoretical framework of self-regulated learning (SRL) for aphasia rehabilitation that spotlights the role of PWA’s feedback in all phases of the rehabilitation process. We review studies on models of SRL in educational psychology and evidence from clinical aphasiology and neurolinguistics. Based on the evidence, we argue that PWA’s feedback is beneficial for optimizing all phases of the intervention process in aphasia rehabilitation. To make this work, communicative barriers to collaborative, patient-centered goal setting must be minimized or eliminated to facilitate alternative channels for receiving PWA’s feedback which will promote their engagement in aphasia rehabilitation. Also, insights from PWA’s feedback can help SLPs to select tasks and treatments that promote PWA’s engagement in the intervention process, which, in turn, can maximize aphasia recovery. PWA can be active participants in the whole intervention process and SLPs can use information from PWA’s feedback to improve the personalization of the whole intervention process to maximize clinical outcomes.
Measuring Personality When Stakes Are High: Are Graded Paired Comparisons a More Reliable Alternative to Traditional Forced-Choice Methods?
Authors: Lingel Harriet , Bürkner Paul - Christian , Melchers Klaus Gerhard , Schulte Niklas
Published: December 2022

In graded paired comparisons (GPCs), two items are compared using a multi-point rating scale. GPCs are expected to reduce faking compared with Likert-type scales and to produce more reliable, less ipsative trait scores than traditional-binary forced-choice formats. To investigate the statistical properties of GPCs, we simulated 960 conditions in which we varied six independent factors and additionally implemented conditions with algorithmically optimized item combinations. Using Thurstonian IRT models, good reliabilities and low ipsativity of trait score estimates were achieved for questionnaires with 50% unequally keyed item pairs or equally keyed item pairs with optimized combination of loadings. However, in conditions with 20% unequally keyed item pairs and equally keyed conditions without optimization, reliabilities were lower with evidence of ipsativity. Overall, more response categories led to higher reliabilities and nearly fully normative trait scores. In an empirical example, we demonstrate the identified mechanisms under both honest and faking conditions and study the effects of social desirability matching on reliability. In sum, our studies inform about the psychometric properties of GPCs under different conditions and make specific recommendations for improving these properties.
Open Science Perspectives on Machine Learning for the Identification of Careless Responding: A New Hope or Phantom Menace?
Authors: Alfons Andreas , Welz Max
Published: December 2022

Powerful methods for identifying careless respondents in survey data are not just important to ensure the validity of subsequent data analyses, they are also instrumental for studying the psychological processes that drive humans to respond carelessly. Conversely, a deeper understanding of the phenomenon of careless responding enables the development of improved methods for the identification of careless respondents. While machine learning has gained substantial attention and popularity in many scientific fields, it is largely unexplored for the detection of careless responding. On the one hand, machine learning algorithms can be highly powerful tools due to their flexibility. On the other hand, science based on machine learning has been criticized in the literature for a lack of reproducibility. We assess the potential and the pitfalls of machine learning approaches for identifying careless respondents from an open science perspective. In particular, we discuss possible sources of reproducibility issues when applying machine learning in the context of careless responding, and we give practical guidelines on how to avoid them. Furthermore, we illustrate the high potential of an unsupervised machine learning method for the identification of careless respondents in a proof-of-concept simulation experiment. Finally, we stress the necessity of building an open data repository with accurately labeled benchmark data sets, which would enable the evaluation of methods in a more realistic setting and make it possible to train supervised learning methods. Without such a data repository, the true potential of machine learning for the identification of careless responding may fail to be unlocked.
Cognitive control in infancy: Attentional predictors using a tablet-based measure
Authors: Macrae Emma , Milosavljevic Bosiljka , Katus Laura , Mason Luke , Perapoch Amadó Marta , Rozhko Maria , de Haan Michelle , Elwell Clare , Moore Sophie , Lloyd-Fox Sarah , Team The BRIGHT Project
Published: December 2022

Cognitive control is a predictor of later-life outcomes and may underpin higher order executive processes. The present study examines the development of early cognitive control during the first 24-months. We evaluated a tablet-based assessment of cognitive control among infants aged 18- and 24-months. We also examined concurrent and longitudinal associations between attentional disengagement, general cognitive skills and cognitive control. Participants (N=60, 30 female) completed the tablet-task at 18- and 24-months of age. Attentional disengagement and general cognitive development were assessed at 5-, 8-, 12-, 18- and 24-months using an eye-tracking measure and the Mullen Scales of Early Learning (MSEL), respectively. The cognitive control task demonstrated good internal consistency, sensitivity to age-related change in performance and stable individual differences. No associations were found between infant cognitive control and MSEL scores longitudinally or concurrently. The eye-tracking task revealed that slower attentional disengagement at 8-months, but faster disengagement at 18-months, predicted higher cognitive control scores at 24-months. This task may represent a useful tool for measuring emergent cognitive control. The multifaceted relationship between attention and infant cognitive control suggests that the rapid development of the attentional system in infancy results in distinct attentional skills, at different ages, being relevant for cognitive control development.
Neural and psychophysiological markers of intolerance of uncertainty
Authors: Morriss Jayne , Abend Rany , Zika Ondrej , Bradford Daniel E. , Mertens Gaëtan
Published: December 2022

Editorial/Preface for the Special Issue: Neural and psychophysiological markers of intolerance of uncertainty
How the Complexity of Psychological Processes Reframes the Issue of Reproducibility in Psychological Science
Authors: Gernigon Christophe , Hartigh Ruud den , Vallacher Robin R. , van Geert Paul
Published: December 2022

In the past decade, various recommendations have been published to enhance the methodological rigor and publication standards in psychological science. However, adhering to these recommendations may have limited impact on the reproducibility of causal effects, as long as psychological phenomena continue to be viewed as decomposable into separate and additive statistical structures of causal relationships. In this paper, we show that (a) psychological phenomena are patterns emerging from non-decomposable and non-isolable complex processes that obey idiosyncratic nonlinear dynamics; (b) these processual features jeopardize the chances of standard reproducibility of statistical results; and (c) these features call on researchers to reconsider what can and should be reproduced, namely the psychological processes per se, and the signatures of their complexity and dynamics. Accordingly, we argue for a greater consideration of process causality of psychological phenomena reflected by key properties of complex dynamical systems (CDSs). This implies developing and testing formal models of psychological dynamics, which can be implemented by computer simulation. The scope of the CDS paradigm and its convergences with other paradigms are finally discussed regarding the reproducibility issue. Ironically, the CDS approach could account for both reproducibility and non-reproducibility of the statistical effects usually sought in mainstream psychological science.
Young children’s copying of block constructions: Significant constraints in a highly complex task
Authors: Landau Barbara , Davis Emory , Cortesa Cathryn S. , Wang Zihan , Jones Jonathan D. , Shelton Amy L.
Published: December 2022

Block construction is ubiquitous in early development, yet is surprisingly complex, involving step-by-step sequenced actions to create specific structures. Here, we use novel analytic methods to characterize these action sequences in detail, including which individual parts of the structure (‘states’) are built with each action, and how these partial structures are combined to create a fully specified build path ending with the final target structure. We find that, like adults, 4- to 8-year-olds build by creating a small subset of possible individual states and full build paths, and that children prioritize building layer-by-layer from the bottom up. The individual states and build paths that children produce are strikingly similar to those of adults, and result in structures that are more stable than other possible (but not attested) configurations and paths. Our approach to analyzing block building serves as a lens into the complex cognitive processes underlying this widespread activity and suggest that children’s step-by-step building of block structures is guided by significant cognitive constraints.
Body-dissatisfaction directs avatar perception: Embodiment and selective visual attention in body-mass modified self-avatars
Authors: Schroeder Philipp A. , Gehrer Nina A. , Reents Mareike , Reimer Nele , Vagedes Jan , Svaldi Jennifer
Published: December 2022

Human agents immersed in metaverse technologies such as virtual reality (VR) are routinely disconnected from their actual physical appearance and embodied in another virtual body, referred to as self-avatar. Such body transformations can have implications for patients with eating disorders, or persons with extreme body dissatisfaction (BD). Changes in BD, weight anxiety, or body image are theoretically linked to visual selective attention, which can be measured with eye-tracking. In the present study, 43 women with high or low BD were immersed in animated body-weight manipulated self-avatars in VR. Prior to a brief mirror exposure with their self-avatars, they experienced synchronous visuo-motor and visuo-tactile contingencies in VR to increase embodiment, delivered through small movement exercises with real-time animation from first-person-perspective and passive haptics. In a cross-over study design, self-avatar weight was manipulated (normal weight vs. overweight) in both groups (low BD vs. high BD) and subjective experience was assessed before and after exposure. In contrast to our hypotheses, BD was not affected by the self-avatar condition. Embodiment decreased during mirror exposure, possibly due to the avatars wearing head-mounted displays. Interestingly, disembodiment was stronger in women with low BD. Further, eye-tracking showed that participants with high BD looked longer at weight-related body-parts when immersed in the overweight self-avatar, whereas participants with low BD looked longer at weight-related body-parts when immersed in the normal-weight self-avatar. Overall, results support body-specific visual attention and suggest that particularly participants with low BD show stronger disembodiment during self-avatar mirror exposure, possibly alleviating momentary body experience.
"Value-Conditioned Interest:" Religiosity, Institutional Support, and the Sociology of Religion in Top Graduate Departments
Authors: Blanton Matthew , Krasniki Daniel
Published: December 2022

Although religion once played a central role in sociological inquiry, today it has fallen from prominence and now occupies a marginal space in the field. Sociologists of religion suggest that this neglect can be explained by the unusual irreligiosity of academia. However, some are hopeful that changes to graduate training and other institutional interventions can overcome this propensity and encourage more sociological engagement with religion, one of the most influential forces in contemporary society. Drawing on a new dataset of 473 sociology graduate students in the top-25 departments in the United States, we assess how personal religiosity and departmental support for religious inquiry predict sociological engagement in the field of religion. We show that sociology graduate students differ substantially from their age cohort in terms of religious affiliation and behaviors. Personal religiosity is a strong predictor of the decision to study religion and the overall perception of the relevance of religion in contemporary society. Coming from a department where religion is discussed, faculty pursue research on religion, and there are opportunities to specialize predicts the perception of religion’s relevance, but only for the least religious students. Our findings contribute to the understanding of sociological knowledge creation and how individual and institutional proclivities—together—shape what we deem important enough to study.
SOME THOUGHTS ABOUT STATISTICAL INFERENCE IN THE 21ST CENTURY
Authors: Hirschauer Norbert
Published: December 2022

This paper shows that the debate on p-values and statistical significance testing addresses one of the most fundamental question of the data-based sciences: how can we learn from data and come to the most reasonable belief (judgement, proposition) regarding a real-world state of interest – given the available evidence (data) and the remaining uncertainty? Answering this question of inductive inference and understanding when and how statistical measures (i.e., summary statistics of the given dataset) can help us evaluate the knowledge gain that can be obtained from a particular sample of data is extremely important in any field of science.
The Database of Religious History (DRH): Ontology, Coding Strategies and the Future of Cultural Evolutionary Analyses
Authors: Slingerland Edward , Monroe M. Willis , Muthukrishna Michael
Published: December 2022

Perhaps the biggest challenge facing designers of large-scale, cross-cultural databases is that ofontology, both in terms of defining the unit of analysis and the construction of an appropriateback-end architecture. These decisions are also impacted by the coding strategies adopted,envisioned users, and funding limitations. This article explores how one particular databaseproject, the Database of Religious History (DRH), has addressed these issues, the advantages anddrawbacks of the approaches adopted, and the potential of the DRH as a data resource forexploring the cultural evolution of religion.
Reforma curricular, Escuelas Normales y relaciones intergubernamentales: resultados de una etnografía accidental en México
Authors: Zepeda Gil Raúl
Published: December 2022

Una de las instituciones clave para la implementación de reformas curriculares en México son las Escuelas Normales. Sin embargo, no se ha estudiado a profundidad cómo las demandas administrativas de las autoridades políticas centrales a estas instituciones de educación superior afectan la capacidad institucional para implementar los cambios curriculares que también se les requieren. En ese sentido, en este artículo sugiero que las Normales en México tienen impedimentos de capacidades humanas e institucionales para atender demandas de cambio curricular, con la mayor eficacia posible, debido a problemas de cargas administrativas, clima organizacional, coordinación intergubernamental y de múltiples principales. Sostengo esto a partir de los resultados de una observación participante que hice en la Escuela Normal de Ecatepec, Estado de México. Finalmente sugiero una agenda de investigación, desde la perspectiva de los estudios de administración pública, para estudiar a las Normales en México.
Children’s Privacy and Video Games: Comments on Commercial Surveillance ANPR, R111004
Authors: Beauvais Michael J. S. , Grimes Sara M. , Jayemanne Darshana , Giddings Seth
Published: December 2022

These comments were prepared in response to the US Federal Trade Commission's advance notice of proposed rulemaking on commercial surveillance and data security (ANPR R111004). In these comments, we examine privacy and surveillance issues in children's media with a focus on video games. We argue in favour of context-sensitive rules for game design and a robust approach to children's privacy that takes into consideration their agency and best interests on a case-by-case basis. Amongst other things, we highlight the importance of the purportedly innocuous nature of play in determining whether a practice is unfair or deceptive and the market realities of smaller game developers who find themselves relying on third-party application libraries from larger companies. We also advocate for protecting children's privacy irrespective of parental consent and adopting a proportionate, risk-based approach to privacy rules, including age-assurance systems.
Centering Connections and Collaboration in the Evaluation of STEM Education Transformation
Authors: Eaton Carrie Diaz , Zhao Yuhao , Taylor Robin
Published: December 2022

In this paper, we seek to understand the formation of a national network constructed for change in STEM education. To center the role of making connections in community and collaborations between network members, we use social network analysis (SNA) methods. We examine the impact of an in-person conference with the goals to bring together disparate groups around a common issue on network collaboration structure. We also examine the effect of post-conference virtual community building activities on network collaboration structure. A major limitation of SNA is response rate which, due to the pandemic, artificially drove a loss of collaboration. However, this loss was mitigated by new collaborations, particularly by influencers and boundary spanners. In addition, a sustained, year-long suite of virtual activities designed for community building and collaboration increased the collaboration activity in the network by 12.5%.
TLC and Nutritional Composition Analysis of Allium wallichii Kunth (Himalayan Onion)
Authors: Rana Vijay Singh , Sethiya Neeraj Kumar , Chaudhary Sushil Kumar , Singhal Manmohan , Kumar Bhavna , Bhargava Samir , Kolhar Tejaus Mallikarjun
Published: December 2022

Allium wallichii (A. wallichii) Kunth, is an underutilized rare medicinal plant species with several beneficial ethnomedicinal health promotion activity Moreover, being so popular in both ethanobotanicals and traditional herbal system, still the plant is very less studied for phytochemical and nutritional composition analysis. Therefore, phytochemical and nutritional composition analysis of A. wallichii leaves are set as the main objective of the current work. In this context powder of A. wallichii leaves was subjected for the nutritional analysis and the extract was subjected to thin layer chromatography analysis for fingerprinting of various compounds. In this context, we have found presence of several health promoting nutraceutical bioactives and phytochemicals compounds. In conclusion the traditional utilization of plant in ethnomedicine for nutraceutical and medicinal purpose was attributed due to presence of nutraceutical bioactives and phytochemicals compounds.
Laser Vitreolysis in Patients with Symptomatic Vitreous Floaters
Authors: Janeková Andrea , Veith Miroslav , Fillová Dana , Janek Michal
Published: December 2022

Aims: To examine the effectiveness and safety of Nd:YAG laser vitreolysis in patients with symptomatic vitreous floaters. Material and Methods: This was a single-centre study of adult patients with symptomatic vitreous floaters who underwent laser vitreolysis. Patients treated between 1/2020 and 10/2021 were included. Intraocular pressure was measured by non-contact tonometry before and one month after treatment. Colour fundus photography, slit lamp examination in mydriasis, best corrected visual acuity, optical coherence tomography, and ultrasound examinations were performed before treatment. The patients completed a questionnaire to subjectively rank the degree of impairment associated with the floaters before and between 1 and 2 months after treatment. Results: 89 eyes from 84 patients were included in the study, with a slight predominance of women (53%). A Weiss ring was present in 46%, and other types of vitreous opacity were found in 54%. Before treatment, 69% evaluated floaters as very troublesome (i.e., a value of 4 or 5 on a 1–5 scale). After treatment, 42% indicated subjective improvement (9% viewed the treatment as a complete success and 33% as a significant success). In 33% of eyes there was a partial improvement, i.e., some floaters could still be seen, and in 17% there was no improvement; 8% of patients were dissatisfied with the treatment results. There was no statistically significant difference in improvement between the group with Weiss rings and the group with other types of floaters. The procedure itself and the subsequent observation period were without complications, i.e., no cases of intraocular pressure elevation, cataract formation or retinal complications. Intraocular pressure did not significantly change from the pre-procedure value (p = 0.29). Average best corrected visual acuity after treatment was 0.97, thus it did not differ significantly from the pre-treatment values (p = 0.82). Conclusion: Nd:YAG laser vitreolysis subjectively improved floater-related symptoms in treated eyes. The lack of an objective measurement of treatment success is a limiting factor. Laser vitreolysis is more suitable for solitary than diffuse vitreous opacities.
Raymond Aron’s War: A ‘History of the Present’ (1940–1944)
Authors: Forneris Elias P.
Published: December 2022

Raymond Aron’s exile in Great Britain during the Second World War was a less-known yet formative part of his career, during which he co-founded the journal La France libre. The articles he published between 1940 and 1944 in La France libre from London have previously been studied in a fragmented manner, but they have not yet been analyzed as a whole. This essay examines Aron’s articles compiled in Volume I of the Chroniques de guerre ( ‘From the Armistice to the National Insurrection’). Volumes II and III of Aron’s wartime articles merit their own separate analyses.

The first objective of this essay is to present the theoretical contributions made by Aron in Volume I of his La France libre articles, with regard to a ‘history of the present.’ It argues that Aron adopted an ingenious approach to analyzing the history of the war as it unfolded, building upon his own philosophy of history from the Interwar.

The second objective of the essay is to show that Aron’s wartime writings also marked his shift from being a scholar to entering “ l’engagement”: committing to political stances. In this regard, his anti-Gaullism in London has been generally overstated relative to his far more elaborate stances on contemporary French history. Revisited, Aron’s wartime articles thus help complete the picture of his career.
Termoplastik Hibrit Kompozitlerde Hammadde Karışım Oranı Optimizasyonu için Gri Kurt Algoritmasının Kullanılması
Authors: ÇAVDAR Tuğrul , ÖZTÜRK Ercüment
Published: December 2022

Hammadde temininin zor olması ve doğal kaynakların hızla tüketilmesi alternatif bir yöntem olan kompozit üretimine yönelmeyi zorunlu hale getirmiştir. Bu nedenle son yıllarda kompozit malzemeler ile ilgili araştırmalarda ve endüstriyel kullanımda artışlar olmuştur. Bunun temel nedenleri hammadde teminindeki zorluklar, maliyet ve zaman faktörüdür. Diğer taraftan kompozitlerin tercih edilme nedenlerinden önemli bir sebep de diğer malzemelere göre mukavemet-yoğunluk oranının daha yüksek olması, daha dayanıklı ve daha hafif olmasıdır. Kompozit malzemelerin homojen yapısı, yüksek kalite ve üretim maliyetlerini kabul edilebilir seviyede tutabilmek için yüksek teknolojili üretim gerektirir. Kompozit üretim aşamalarında termoplastik ve dolgu takviye karışımları son derece karmaşık işlemlerle uygulanmaktadır. Bu tür formülasyonları optimize etmek çok fazla deneysel üretim gerektirir ancak yüksek maliyetler doğurur. Sonuç olarak, bu yüksek maliyetleri azaltmak ve optimize edilmiş karışım oranları ile üretim yapmak elzemdir. Bu çalışmada çözüm olarak bir yapay zekâ yöntemi olan Gri Kurt optimizasyon algoritması (GWO) kullanılmıştır. GWO algoritması ile optimum üretim reçetelerinin ve üretim proses parametrelerinin elde edilebildiği gözlemlenmiştir. Hibrit termoplastik kompozitlerin üretilebilmesi için olası tüm karışımlardaki hammadde oranları simülasyon ortamında hazırlanarak en iyi çözümü bulmaya dayalı bir yaklaşımla problem çözülmeye çalışılmış, deneysel kullanım için çok sayıda üretime gerek kalmadan istenilen kalitede ürün üretilmesi hedeflenmiştir.
CBS Yardımıyla Giresun İli Bulancak İlçesinin Arazi Örtüsü ve Topoğrafik Özelliklerinin Tarımsal Yönden Değerlendirilmesi
Authors: ATMACA Bahadır
Published: December 2022

Bu araştırmanın amacı, coğrafi bilgi sistemlerinden (CBS) faydalanılarak, Giresun’un Bulancak ilçesinin bazı arazi özelliklerini belirlemek ve tarımla ilişkili olarak değerlendirmektir. Sayısal yükseklik modeli (SYM/DEM) verileri kullanılarak haritaların oluşturulması ve alan hesaplamaları aşamalarında ArcGIS-ArcMap 10.3 programı kullanılmıştır. İlçede, 0-3.102 m aralığında değişen yükselti değerleri 10 sınıfa ayrılmıştır. 0-1.200 m arasında yükseltiye sahip toplam alanın oranı % 44,504 olarak bulunmuştur. 1.200-1.500 m yükselti grubu % 20,655 ile en geniş alanı kaplamakta iken, en az alan (% 0,444) kaplayan yükselti grubu 2.700-3.102 m olarak belirlenmiştir. Bulancak’ta eğim; hafif, orta ve dik olacak şekilde sınıflandırılmıştır. Dik eğim sınıfındaki alan miktarının, orta eğim sınıfındaki alan miktarından 4,609 kat fazla olduğu saptanmıştır. Dik (% 20+) eğimli araziler tarımsal faaliyetler için uygun bulunmamıştır. Bu alanlarda, ağaçlandırma çalışmaları yapılmalı ve doğal bitki örtüsü de korunmalıdır. İlçenin bakı analizine göre, kuzey bakı grubu olarak belirlenen kuzey, kuzeybatı, kuzeydoğu ve doğu bakılı alanların, ilçe yüzölçümünün yarısından fazlasını (% 56,214) kapladığı belirlenmiştir. CORINE arazi örtüsü 2018 verileri analiz edildiğinde; Bulancak ilçesinde karışık ormanların 163,822 km2 (% 22,757) ile en geniş alana sahip olduğu; buna karşın en az alana sahip olan arazi örtüsü sınıfının 0,212 km2 (% 0,029) ile deniz ve okyanus olduğu tespit edilmiştir. Çalışmada ortaya çıkan verilerin, tarımsal faaliyetler başta olmak üzere, gelecekte Bulancak’ta yapılabilecek bazı araştırmalar için ön fikir verebileceği düşünülmektedir.
An Innovative Approach for Numerical Solution of the Unsteady Convection-Dominated Flow Problems
Authors: ÜNAL Osman , AKKAŞ Nuri
Published: December 2022

In this study, convection-diffusion equation is solved numerically using four different space discretization methods namely first-order upwinding, second-order central difference, cubic (partially upwinded) and cubic-TVD (Total Variation Diminishing) techniques. All methods are compared with the analytical solution. The first-order method is not close to the analytical solution due to the numerical dispersion. The higher-order techniques reduce numerical dispersion. However, they cause another numerical error, unphysical oscillation. This study proposes an innovative approach on cubic-TVD method to eliminate undesired oscillations. Proposed model decreases numerical errors significantly compared to previously developed techniques. Moreover, numerical results of presented model quite close to the analytical solution. Finally, all Matlab codes of numerical and analytical solutions for convection-diffusion equation are added to Appendix in order to facilitate other researchers’ work.
Bir Hibrit Enerji Sisteminin Parçacık Sürüsü Optimizasyon Algoritması- Genetik Algoritma ve Gri Kurt Optimizasyon Algoritma Tekniği ile Enerji Yönetimi ve Optimizasyonu: Yalova Üniversitesi için bir vaka çalışması
Authors: GÜVEN Aykut Fatih , YÖRÜKEREN Nuran
Published: December 2022

Bu makale, bir üniversite kampüsünün enerji ihtiyacını karşılamak üzere tasarlanmış bir Hibrit Yenilenebilir Enerji Sisteminin (HRES) detaylı bir fizibilite araştırmasını sunmaktadır. HRES, Rüzgar Türbini (WT), Fotovoltaik (PV), Dizel Jeneratör, Batarya ve invertör bileşenlerini içerir. Güç dengesi kısıtlamasına bağlı olarak, Sistemin Yıllık Maliyetini azaltmak ve optimum WT gücünü, PV panel gücünü ve pil sayısını belirlemek için farklı optimizasyon teknikleri uygulanır. Seviyelendirilmiş Enerji Maliyeti ve Toplam Net Bugünkü Maliyeti en aza indirecek şekilde bir enerji yönetimi stratejisi sunulmakta ve Güç Kaynağı Kaybı Olasılığının operasyonun güvenilirliğini doğruladığı düşünülmektedir. Bileşenlerin optimum boyutlandırılmasını bulmak için HOMER ve MATLAB yazılımı kullanılarak sonuçlar elde edilir. Genetik Algoritma (GA), simülasyon sürecinde daha iyi performans göstererek hızlı ve güvenilir sonuçlar sunar. GA'yı en iyi sistem konfigürasyonunda kullanmak, sırasıyla 3.407975x103 kW PV, 50 kW WT ve 951.5493 kW Batarya, 3.9808$ x105 yıllık sistem maliyeti (ACS), 6.4580$ x106 net mevcut maliyet (NPC) ve 0.1998$/kWh. Güneş panelleri tüm sistemi kaplar ve Yenilenebilir Enerji Fraksiyonu (REF) %100'dür. Sonuçlar, bu çalışmada önerilen şemanın, aynı optimal konfigürasyonu kullanarak düzgün bir güç akışı sağlayabileceğini açıkça göstermektedir.
OPHIOLITOCLASTIC BRECCIAS IN THE SECTION OF THE SOYMUL OLISTOSTROME FORMATION
Authors:   Ivan Franko National University of Lviv, Bohdanova Milena , Hnylko Oleh ,   National Academy of Sciences of Ukraine
Published: December 2022

Purpose. Investigation .of the composition and features of the formation conditions of the Soymul olistostrome stratum in outcrops along the upper course of the Velyka Ugolka River in the Marmarosh Klippen Zone (Inner Ukrainian Carpathians), which is of important theoretical importance for the reproduction of the paleogeography of the basin and its tectonic history. Methodology. In this work there traditional structural-geological methods of field large-scale geomapping were used. Results. During the field work, geological mapping and documentation of the supporting outcrops of the Lower Cretaceous Soimul olistostrome was carried out. The material composition of the rocks in the outcrops was studied, the conditions of occurrence of olistoliths and matrix of the mixtites were investigated. A model of the formation of the Lower Cretaceous Soimul Formation is proposed Scientific novelty. For the first time, specific formations – ophiolithoclast breccias, several types of which are distinguished by the composition of fragments and cement – have been described in the outcrops among scattered fragments of ophiolitic assasia. Practical significance. In detailed geological mapping, the display of thrust and associated mixtite complexes (melanges and olistostomes) is a necessary condition for the reliability and conditionality of geological maps.The improvement of the theoretical and scientific-methodical basis of large-scale mapping of mixtites is also important for the identification of new tectonic criteria for the search for minerals, the forecast of dangerous geological processes, and geostable construction. In addition, the studied section, in our opinion, is a unique geotourism object of the Ukrainian Carpathians. Key words: accretion prism, olistostrome formation, ophiolite association, ophioliclast breccias, ophiocalcite.
FEATURES OF DISLOCATIONS AND PALEOSTRESS FIELDS IN TUFFS OF THE TERESVINA FORMATION OF THE TRANSCARPATIAN Trough IN THE TYACHEVETS RIVER BASIN
Authors:   Donetsk National Technical University, Alokhin Viktor , Boiarska Alina ,   Donetsk National Technical University, Ishkov Valerii ,   Dnipro University of Technology,   Institute of Geotechnical Mechanics named by M.S. Polіakov of National Academy of Sciences of Ukraine
Published: December 2022

Purpose. The main purpose of this paper was to study discontinuous and folded dislocations in the tuffs of the Teresvinsk bed of the Lower Neogene and to reconstruct of paleostress fields in the Tyachevets River basin of the Transcarpathian Trough. Methods. Structural-geological methods of field research and methods of tectonophysical field research are used in the work. Processing of field data was carried out with the construction of a structural-geological scheme of the research area. «Win-Tensor» software was used to process the data and to determine the paleostress fields. Results. Numerous folded and discontinuous dislocations, their interrelationships and paragenesis are found in tuff outcrops on the northern outskirts of Lazy village, Tyachiv District of, Zakarpattia («Chorna Voda» area). Tectonophysical studies of tectonic cracks and rupture faults were conducted. Were installed paleostress fields of different ages and kinematic types.The shear field is dominate among these fields and is the youngest in terms of age. The main region fault of the northwest-striking was studied. It has been established that this fault is a strike-slip fault. The second fault of the same direction cuts and displaces the northeast-trending synclinal fold. Scientific novelty. The age relationships of the systems of discontinuous and folded dislocations in the zone of influence of the large northwest-striking fault have been established for the first time. This fault formed and developed as a dextral strike.Several stages of activation of discontinuous structures and several types of different paleostress fields are established.The shear field of paleostresses predominates and has the youngest age Practical significance. It was established that numerous dislocations and their multi-stage activation over time contributed to the formation of hydrogen sulfide mineral waters, which are located in the zone of the main fault. The obtained research results clarify the history of the tectonic development of the Transcarpathian depression and indicate the presence of several stages of tectonic activations in the Neogene. Key words: tuffs, discontinuous dislocations, dextral shear, synclinal fold, paleostress.
IMPROVEMENT OF TECHNOLOGY FOR DRILLING LARGE DIAMETER WELLS WITH REVERSE CIRCULATION
Authors:   Caspian Public University, Biletsky Marian , Ratov Boranbay ,   Caspian Public University, Khomenko Volodymyr ,   Dnipro University of Technology, Koroviaka Yevhenii ,   Dnipro University of Technology, Borash Bokenbay ,   Yessenov University
Published: December 2022

Purpose. The aim of this work is to develop an improved circulating system for airlift reverse circulation drilling in such a way that it allows the use of commercially available drill pipes with conventional connections. Methodology. The tasks were solved by a complex research method, which includes a review and generalization of literary and patent sources, analytical studies of existing methods for improving the technology of drilling wells with reverse circulation. Findings. A comparative analysis of the two main methods of creating reverse circulation was carried out: using a centrifugal pump and using an airlift. Particular attention is paid to the airlift method of creating reverse circulation. The dependence of the limiting depth of drilling with reverse circulation using an airlift on the speed of the upward flow of the drilling fluid and its density is studied. A fundamentally new improved version of the circulation system device for drilling wells with reverse circulation using an airlift is proposed. Its use allows the use of commercially available drill pipes and connections for this drilling method. Originality. It has been shown for the first time that it is possible to use commercially available drill pipes with conventional connections to create a circulation system for drilling wells with reverse circulation. This allows you to increase the drilling speed by reducing the time spent on hoisting operations and the build-up of the drill string. Practical value. An improved device of the circulation system for drilling wells with reverse circulation using an airlift has been developed. Thanks to its use, it becomes possible to use commercially available drill pipes with conventional connections. Key words: reverse circulation drilling, airlift, Mangistau Peninsula, Samskoye field.
DETERMINATION EFFECTIVE PARAMETERS OF THE COMBINED MINING SYSTEM AT THE DEVELOPMENT OF MANGANESE ORE DEPOSITS
Authors:   Dnipro University of Technology, Korsunskyi Heorhii , Lozhnikov Oleksiі ,   Dnipro University of Technology
Published: December 2022

Purpose. To determine the effectiveness of the combined mining system at the development manganese ore deposits when using mining machines of cyclic, cyclic-continuous and continuous action. Methods. During the research, the method of analysis and systematization was used at the choosing a criterion for the influence of the mining and geological conditions of a shallow deposit, as well as parameters and indicators of technological schemes that take place during the layout of mining equipment. Results. The efficiency of the combined mining system of a shallow mineral deposit is determined, depending on the thickness of the overburden and the type of mining equipment. In order to solve the given technological problem, a study of the effectiveness of the following mining equipment configuration schemes was performed: cyclic action, cyclic-continuous and continuous action. Scientific novelty. The conducted studies allow to establish the relationship between the mining and geological parameters of the shallow deposit of minerals and the main parameters of the pit, as well as the technological and economic indicators of the technological schemes of the combined mining system. The results of the research can be used in prospective planning of mining operations and design of combined technological schemes of surface mining. Practical significance. The obtained results of the parameters and indicators of the technological schemes studies at the combined mining system during the development of shallow mineral deposits increase the efficiency of the design work, as well as to evaluate the parameters and indicators of the technological schemes, which allows to choose an effective set of mining equipment for cyclic, cyclic-continuous and continuous operations in mining geological conditions of the Nikopol manganese ore basin. The obtained research results for the technological schemes of the combined system of shallow deposits development made it possible to establish the pit productivity and the cost of overburden works, as well as the main parameters of the mining system depending on the capacity of overburden rocks. Keywords: combined mining system, non-transport mining system, transport mining system, transport-dump mining system, dragline, bucket-wheel excavator, overburden spreader.
JUSTIFICATION OF HYDRODYNAMIC TA ASSESSMENT METHODOLOGY GEOMECHANICAL INFLUENCE OF NEEDLE FILTER INSTALLATIONS
Authors:   Dnipro University of Technology, Sadovenko Ivan , Inkin Oleksandr ,   Dnipro University of Technology
Published: December 2022

Purpose. The purpose of this work is to develop and test the methodology for determining changes in the level of groundwater over time as a result of the operation of several contours of needle filters of different configurations and the impact of these changes on the subsidence of the earth’s surface. Methods. The proposed comprehensive approach includes the collection, systematization and analysis of data on the existing methods of calculating the subsidence of the earth’s surface at the base of structures in the event of an expected decrease in the level of groundwater. The method of numerical hydrogeological modeling and analytical calculations was used to determine the magnitude of the decrease in the groundwater level and subsidence of the earth’s surface. Findings. According to the results of numerical modeling of geofiltration, it was established that after the second month of operation of the first circuit of needle filters, the groundwater level mark at a distance of 20 m from them is 50.4 m, at 50 m – 51 m, at 100 m – 51.6 m. the main decrease of water occurs in the first 7 m from the drainage circuit and is 6.35 – 3.8 m. After 6 months of operation of the first circuit and 4 months of the second water level mark at a distance of 20 m from the circuit is 46.7 m, at 50 m – 47.8 m, at 100 m – 48.9 m. This, respectively, leads to a decrease in the level at these points by 6.8 m, 5.7 m and 4.6 m. it was established that in the first 100 m from the pit, soil subsidence at the end of operation of the two needle filter circuits will vary from 3.9 cm to 2.6 cm. Originality. The method of determining changes in the groundwater level as a result of the operation of several needle filter circuits and the impact of these changes on the subsidence of the earth’s surface has been substantiated and verified. The developed technique allows to analyze and preliminarily quantitatively assess the hydrodynamic regime and geomechanical state of rocks under the influence of needle filters. Practical implication. The proposed method can be used for engineering forecasts of subsidence of the earth’s surface during water-reduction works with needle filter installations, which is especially relevant in the conditions of built-up areas. Keywords: drainage, needle filters, groundwater, earth’s surface, subsidence.