bluuebunny/crossref_metadata_2025 huggingface dataset:
HUBUNGAN ANTARA EFIKASI DIRI DAN KEPRIBADIAN TANGGUH DENGAN STRES AKADEMIK SISWA KELAS XI DI SMA TAMAN HARAPAN 1 KOTA BEKASI
Authors: Farah Deviana  , Febi Herdajani
Published: November 2023

Penelitian ini merupakan penelitian kuantitatif yang bertujuan untuk mengetahui hubungan efikasi diridan kepribadian tangguh dengan stres akademik siswa kelas XI di SMA Taman Harapan 1 Kota Bekasi.Teknik pengambilan sampel menggunakan teknik simple random sampling. Sampel penelitian inimerupakan 127 siswa kelas XI SMA Taman Harapan yang berusia 16-18 tahun. Metode analisis datamenggunakan Bivariate Correlation dengan program SPSS 25.0 for windows. Analisis data pada metodeBivariate Correlation antara efikasi diri dengan stres akademik memiliki hasil dengan nilai r = - 0.638 p =0.000 dan hubungan antara kepribadian tangguh dengan stres akademik dengan nilai r = - 0.617 p = 0.000.Hal ini berarti dapat dikatakan bahwa terdapat hubungan negatif yang signifikan antara efikasi diri dankepribadian tangguh dengan stres akademik. Selanjutnya, hasil uji analisis data dengan MultivariateCorrelation untuk mengukur hubungan antara efikasi diri dan kepribadian tangguh dengan stres akademikmemperoleh nilai R = 0,678 dan p = 0.000 (p < 0,05). Hal ini menunjukkan terdapat hubungan antaraefikasi diri dan kepribadian tangguh dengan stres akademik siswa kelas XI di SMA Taman Harapan 1 KotaBekasi. Sumbangan efikasi diri dan kepribadian tangguh dengan stres akademik sebesar 46% sedangkansisanya 54% merupakan sumbangan variabel lain yang tidak diteliti.
A STUDY OF YOUTH AND CHILD SEXUAL ABUSE IN INDIA
Authors: Dighe Dr. Pranjali S.
Published: November 2023

The lexical terminology of Child abuse could be defined as harming the children in different ways like emotionally, psychologically or physically. The worst of all the three mentioned can be sexual abuse. These kind of abuses could take place easily with any children and the person will always try to overpower the children. The trust of the kid will vanishes once s/he faces these kinds of situations in life. Continent Asia, should be analysed critically because there is large number of population living is of children. Counting would be difficult but numerous children are the victim of violence and exploitation every day. Most of the data will be difficult to gather. Children are more vulnerable both emotionally and physically to these kinds of abuses which they face. 20th November was marked as the 25 years since the adoption of the UN convention on the rights of Child in General Assemble at United Nations. These conventions were made for the immediate changes in the society which is required for the children. A systematic change in the society is required to have the positive impact towards the safety of children. In our country we do not have one proper law which is safeguarding the children against these kinds of abuses. This paper will have secondary data and information analysis and find out the dodges which exists in the law abiding system. This study will also focus on the Youth abuses in the country.
ઉચ્ચશિક્ષણ અને આદિવાસી વિદ્યાર્થીઓ – દશા અને દિશા (અમદાવાદ શહેરના સંદર્ભમાં)
Authors: Patel Dr. Sangeeta
Published: November 2023

આદિવાસીઓ ભારતીય સંસ્કૃતિની અમૂલ્ય વિરાસત છે. જેઓ કુદરત સાથે ખૂબ જ નજીકથી જોડાયેલા છે. 2011ના સેન્સસ મુજબ ભારતમાં આદિવાસીઓની વસતિ છે. ગુજરાતમાં આદિવાસીઓની વસતિ ૮૯.૧૭ લાખ ૧૪.૮% છે. જે કુલ વસતિના ૧૦.૪૨ કરોડ જે ૮.૬% છે. દરેક આદિવાસી જૂથની પોતાની આગવી ઓળખ અને સંસ્કૃતિ છે. આઝાદી બાદ બંધારણીય જોગવાઇઓ, સરકારની આદિવાસી કલ્યાણ જોજનાઓ, સ્વૈચ્છિક સંસ્થાઓની પ્રવૃત્તિઓ વગેરેને કારણે આદિવાસીઓમાં શિક્ષણનું પ્રમાણ છેલ્લા બે દાયકામાં વધ્યુ છે. પરંતુ ઉચ્ચશિક્ષણમાં આદિવાસી વિદ્યાર્થીઓનો એનરોલમેન્ટ રેશયો માત્ર 5.6% (AISHE- 2019-2020). પ્રાથમિક- માધ્યમિક અને ઉચ્ચશિક્ષણ સ્થાનિક સરકારી શાળાઓતથા આશ્રમશાળાઓમાં આદિવાસી વિદ્યાર્થીઓને મળી રહે છે. પરંતુ ઉચ્ચશિક્ષણ, પ્રોફેશનલ કોર્ષ વગેરે માટે આદિવાસી વિદ્યાર્થીઓ મોટેભાગે અમદાવાદ, વડોદરા, સુરતા, રાજકોટ વગેરે જેવા મોટા શહેરોમાં પ્રવેશ મેળવે છે. નગરો અને મહાનગરોની પોતાની આગવી સંસ્કૃતિ છે. આદિવાસી વિદ્યાર્થીઓ ઉચ્ચશિક્ષણ સંદર્ભે શહેરોમાં આવે છે ત્યારે શૈક્ષણિક, સામાજિક, સાંસ્કૃતિક, ભાષાકીય અનુકૂલનના પ્રશ્નો ઊભા થાય છે. પ્રસ્તુત અભ્યાસનો મુખ્ય હેતુ આદિવાસી ઉચ્ચશિક્ષણમાં આદિવાસી વિદ્યાર્થીઓના અનુકૂલનના પાર્ષનો જાણવાનો છે તથા ઉછશિક્ષણ સરકારી આદિવાસી યોજનાઓની અસર તપાસવાનો છે. બિનસંભાવનાત્મક નિદર્શન દ્વારા અમદાવાદ શહેરમાં ઉચ્ચશિક્ષણ મેળવતા 80 આદિવાસી વિદ્યાર્થીઓની પસંદગી કરી છે. અભ્યાસની મુખ્ય પદ્ધતિ સર્વેક્ષણ અને ફોકસ ગૃપ ડિસ્કશન છે. મુલાકાત અનુસૂચિ દ્વારા માહિતી એકત્રીકરણ કર્યું છે.
આબોહવા પરિવર્તનની સૂક્ષ્મ, લઘુ અને મધ્યમ સાહસો (MSME)ના વિકાસ પર થયેલી અસરો
Authors: Patel Dr. Satish , Borad Tushar
Published: November 2023

આબોહવા પરિવર્તનની MSME ઉદ્યોગોના વિકાસ પર અસરો, ભવિષ્યના પડકારો અને તેમાં રહેલી વ્યવસાયિક તકોને તપાસવી. પ્રત્યક્ષ અને પરોક્ષ રીતે આબોહવા પરિવર્તનની MSME ઉદ્યોગોના વિકાસ પર અસર પડે છે, પરંતુ સતર્કતા અને અનૂકુલન દ્રારા આ પડકારરૂપ બાબતોને વ્યવસાયિક તકમાં બદલવાની સંભાવના રહેલી છે.
Justification of the application of Raman-fluorescence diagnostics to assess dental status of the oral cavity
Authors: Alexandrov M. T. , Eganian D. G. , Mamedova L. A. , Podoinikova M. N.
Published: November 2023

Purpose: To assess the influence of visibility, grayness and lighting conditions of the dentist’s workplace at the indicators of oral cavity homeostasis as well as to justify the application of digital Raman-fluorescence diagnostics for studying dental status of the oral cavity so as to exclude the subjective factor in visual indicators.

   Materials and methods. 90 patients took part in the trial. Group 1 (controls): participants with the controlled hygiene of their oral cavity and without pronounced dental pathologies; Group 2 (studied): 2A – patients with uncontrolled hygiene and concomitant unsatisfactory hygienic condition of their oral cavity, 2B – patients with controlled hygiene and previous unsatisfactory hygienic condition of their oral cavity. There were 30 patients in each group, and all of them had carious lesions. Patients of Groups 1 and 2A cleaned their teeth by the generally accepted scheme. In Group 2B, patients cleaned their teeth under control, and the procedure duration had been calculated individually by laser fluorescence diagnostics. In both groups, the degree of hard tissues mineralization was determined with the Raman diagnostics. Patients from the studied group were prescribed remineralisation therapy. Visual methods and Raman-fluorescence diagnostics were used to assess dental status of the oral cavity.

   Results and discussion. There was a significant improvement in all indicators in Group 2B compared to Group 2A; no changes were observed in the control group. Errors in the visual measurement of oral cavity dental status can range from 200 to 400%. To eliminate disadvantages of the visual assessment of the oral cavity, Raman-fluorescence diagnostics has to be applied, the results of which do not depend on color, grayness and lighting of the examined object.

   Conclusion. To eliminate disadvantages of the visual method for assessing the oral cavity condition, Raman-fluorescent diagnostics, which does not depend on color, grayness and lighting of the examined object, has to be applied. The Raman-fluorescent and visual diagnostics allow to objectively assess dental status of the oral cavity.
SIMPLIFIED ADAPTIVE TRIANGULATION OF THE CONTACT BOUNDARIES OF THE DAM MODEL
Authors: Mukanova Balgaisha
Published: November 2023

To numerically solve the system of integral equations, it is customary to establish a discrete grid within each integration area. In the context of 3D modeling, these areas correspond to surfaces situated in space. The standard discretization technique employed for the computational domain is triangulation. This study addresses the integral equation system pertinent to the electrical tomography of dams. The structural model encompasses an embankment dam, the upstream and downstream water bodies, the dam's base, and a potential leakage region on the upstream side. An alternative configuration may be encountered in specific scenarios with no water downstream. Consequently, the model may incorporate up to nine distinct contact boundaries. Accordingly, the system of integral equations comprises an equivalent number of equations. Effectively resolving this system through numerical methods necessitates applying triangulation techniques to these diverse surfaces. While mathematical packages like Matlab offer triangulation functions, they may not fully address the specific demands of the problem. Additionally, the grid resolution should be heightened in proximity to key elements such as the sounding line, the supply electrode, and the various contact lines within the medium. These considerations transform the triangulation task into a distinct subtask within the numerical simulation of the resistivity tomography problem. In this paper, we provide our specific approach to this problem. The simplification of the triangulation algorithm is rooted in the predominant utilization of the two-dimensional geometric properties inherent to the object under study. For most contact boundaries, the triangulation is constructed layer by layer with a gradual modulation in triangle dimensions as one progresses from one layer to the next, orthogonal to the axis of the dam. Concerning the surface corresponding to the leakage area, cylindrical coordinates are used for surface parameterization. This approach enables partitioning the surface into discrete strata, facilitating a systematic, layer-by-layer grid construction. Additionally, points at the intersections of contact boundaries are integrated into the pre-existing triangulation by applying a standard function within the Matlab package. In the future, the mathematical modeling based on the Integral Equation Method with adaptive discretization will help incorporate real-time computations into information systems related to monitoring hydraulic structures.
MATHEMATICAL FRAMEWORK FORMULATION AND IMPLEMENTATION FOR HYPERSPECTRAL AEROSPACE IMAGES PROCESSING
Authors: Sarinova Assiya , Neftissov Alexandr , Rzayeva Leyla , Kirichenko Lalita , Kusdavletov Sanzhar , Kazambayev Ilyas
Published: November 2023

This paper proposes a preprocessing algorithm for aerospace hyperspectral images based on a mathematical apparatus effectively applied in pre-compression transformation problems. In particular, several methods have been analyzed for hyperspectral image (signal) preprocessing from the point of view of digital signal processing algorithms. These mathematical methods are used for problems of filtering signals from noise of different natures and for compression and restoration of signals after their transmission through communication channels. The results of comparative analysis of preparatory processing of lossy compression algorithms based on wavelet analysis, discrete and orthogonal transforms are also given, demonstrating minimization of loss level of reconstructed decoded images. The performance of the proposed preprocessing algorithms with quality metrics is presented to evaluate the quality of the reconstructed hyperspectral aerospace images. The results of this study can be applied and used in the tasks of special processing of hyperspectral images, as well as fundamental knowledge of mathematical apparatuses of the proposed orthogonal preprocessing, considering the specificity of the data which is very important in obtaining images ready for compression for the subsequent identification of objects of the Earth's surface and using such mathematical transformations at the hyperspectral image preprocessing stage before compression provides efficient archiving of the obtained data, while reducing the communication channel load. Through the use of quality metrics of the reconstructed images, the preprocessing algorithm provides an understanding of the threshold of the peak signal-to-noise ratio value and the efficiency of its application to calculate and minimize the loss rate.
METHODS OF NAVIGATING ALGORITHMIC COMPLEXITY: BIG-OH AND SMALL-OH NOTATIONS
Authors: Bimurat Zhanar , Kim Yekaterina , Ismailova Rauza , Sagindykov Bimurat
Published: November 2023

This article provides an in-depth exploration of Big-Oh and small-oh notations, shedding light on their practical implications in the analysis of algorithm complexity. Big-Oh notation offers a valuable tool for estimating an upper bound on the growth rate of an algorithm's running time, whereas small-oh notation delineates a lower limit on this growth rate. The piece delves into a comprehensive examination of various complexity classes that emerge through the application of Big-Oh notation, underscoring the significance of small-oh notation as it complements and enriches complexity analysis.
In the realm of programming and computer science, the employment of these notations holds paramount importance. They empower developers and researchers to make informed decisions regarding algorithm selection and optimization. It is crucial to recognize that while complexity analysis is a vital facet of effective programming, ongoing research endeavors may yield more refined methodologies and approaches within this domain.
By understanding and harnessing the power of Big-Oh and small-oh notations, professionals can effectively evaluate algorithm efficiency and scalability. This knowledge equips them with the ability to design and implement algorithms that meet specific performance criteria, which is pivotal in the ever-evolving landscape of technology and computation. As pushing the boundaries of what is possible in the field of algorithm design is being continued, these notations remain invaluable tools for navigating the complex terrain of algorithmic analysis and optimization.
By embracing Big-Oh and small-oh notations, professionals can finely assess algorithmic efficiency, ensuring they meet performance criteria in the evolving technological landscape. These notations remain indispensable for algorithmic analysis.
DEVELOPMENT OF A LINEAR REGRESSION MODEL BASED ON VEGETATION INDICES OF AGRICULTURAL CROPS
Authors: Mimenbayeva Aigul , Yessen Azat , Nurbekova Aiman , Suleimenova Raya , Ospanova Tleugaisha , Kasymova Akmaral , Niyazova Rozamgul
Published: November 2023

The article is devoted to the study of vegetation indices for assessing the productivity of agricultural crops of the North Kazakhstan Agricultural Experimental Station (NKAES) LLP. The research was carried out using a modern software package for processing satellite images, EOS Land Viewer. The work used images from the Landsat 8 (USA) and Sentitel 2 (European Space Agency) spacecraft. Digitized Earth remote sensing data for the last 3 years are presented, showing changes in the amount of moisture reserves on the territory of NKAES LLP. Time series of distribution of the studied coefficients were constructed according to different phases of active vegetation biomass in the study area. The resulting time series made it possible to identify annually repeating patterns, a linear trend of increasing and decreasing NDWI and NDVI on the territory of the NKAES LLP.
Review of studies over the past 5 years, published in highly rated foreign journals, on various vegetation indices, including indices designed to assess moisture content in vegetation and soil. It is noted that the first normalized water index, NDWI, using the SWIR infrared channel, unlike the widely used NDVI vegetation index, actually penetrates 80% of the atmosphere.
Analysis of the obtained NDWI allowed us to identify dry, moderately dry and fairly humid periods on the territory of the NKAES LPP from 2020 to 2023. Based on the research carried out, the feasibility of using normalized difference water indicators and normalized vegetation indices for further use in forecasting yields in the conditions of the North Kazakhstan region is substantiated. Next, using vegetation indices and additional agrometeorological factors, a linear model for predicting crop yields was developed. The coefficient of determination of the resulting model is 0.90 which indicates that the selected trend line reliably approximates the process under study.
DETERMINATION OF THE OPTIMAL CONTROLLABLE KEY INDICATOR OF CALL CENTER IN ORDER TO INCREASE EFFICIENCY FOR GENERATING INCOME
Authors: Amirgaliyev Beibut , Abdirakhmanova Meruyert , Baishemirov Zharasbek , Yegemberdiyeva Gulzhan
Published: November 2023

This paper focuses on call centers, which have become a common means of communication with potential customers in various companies. Specifically, this paper analyzes call center data and the importance of assessing key indicators for evaluating call center performance. The questions this paper addresses are the criteria for evaluating call center quality and the methods for analyzing call center data. Previous research has shown the significance of call centers as the "face of the company," with the quality of their work reflecting how efficiently a company will serve its customers ' requests in the future. The main goal of this paper is to fill a gap in previous research by identifying the main controlled key indicator for call center quality and to suggest ways to improve efficiency. By using analytical methods to examine call center data, this paper identifies the most important criteria for call center quality and provides recommendations for enhancing service quality.
The main findings of this paper show the importance of call center operator performance in determining call center performance which affects company revenue. By evaluating key indicators such as the number of operators, this paper demonstrates how call centers can reduce service costs and improve efficiency. During the analysis using call center data for two years, it turned out that the company had expenses 1/3 of the total amount of maintenance compared to the previous year, which is not effective in terms of economy. Operational planning has a direct impact on operators’ costs and the main cost component is the hourly cost of operators. If optimal planning turns out to be at least 10% better than the arrangement set in the call center, company will save a good amount. The significance of this paper lies in its potential to improve the quality of service in call centers and its contribution to the field of customer service management. By providing insight into the importance of call center efficiency, this research offers recommendations for predicting the optimal number of operators to improve the customer experience with reducing service costs.
MATHEMATICAL, SOFTWARE AND HARDWARE SUPPORT OF THE CONCEPTUAL MODEL OF THE INFORMATION SYSTEM OF PRECISION AGRICULTURE
Authors: Neftissov Alexandr , Biloshchytskyi Andrii , Toxanov Sapar , Ordabayev Saken , Kuchansky Olexandr , Andrashko Yurii , Vatskel Vladimir
Published: November 2023

This study analyzes the current situation of application of precision farming technologies and solutions by agricultural enterprises of the Republic of Kazakhstan. The main players and used solutions have been identified. The statistics of application, as well as the potential of use is examined. Within the framework of the analysis of the applied solutions the advantages and disadvantages of competitors in the market were determined. It was defined that the applied systems provide the possibility of remote management, but EGISTIC is more focused on the management of all processes of the farm, including the warehouse, while John Deere is focused on the management and analytics of agricultural machinery. EGISTIC offers features for warehousing and inventory planning, something not found in the base version of John Deere Operations Center. John Deere focuses on data sharing which can be important for large farms or groups of farmers. EGISTIC makes extensive use of satellite imagery to analyze field conditions which can be a great asset for identifying problem areas and planning interventions. Depending on the specific needs and priorities of an agribusiness, one system may be preferable to another. If machinery management is the main focus, John Deere might be the best choice. If in-depth analysis of field conditions and inventory control is important, EGISTIC may be more appropriate. By analyzing, the directions for research are highlighted. A conceptual model of information system for precision farming is developed. Hardware for realization of the conceptual model is possible on the basis of universal programmable logic controller of modular architecture being developed. Within the limits of the given research the conceptual model of the universal programmable logic controller of modular architecture and the structural model of the software of the universal programmable logic controller of modular architecture have been developed. The interaction with the conceptual adaptive model of information and communication system is also considered. This paper analyzes the key principles and functions of both the universal programmable logic controller and the information and communication system, as well as their possible integration within a single concept.
O pedido de desculpas na responsabilidade civil
Authors: Pianovski Ruzyk Carlos Eduardo , Hapner Paula Aranha
Published: November 2023

O artigo busca analisar os efeitos jurídicos do pedido de desculpas na responsabilidade civil. Serve-se, para tanto, das legislações editadas em outros países, sobretudo de common law, com vistas a melhor situar o tema dentro do ordenamento jurídico brasileiro. A pesquisa alcança considerações acerca da interrupção da prescrição e da exclusão da cobertura securitária, diante da estreita relação do pedido de desculpas com a admissão da responsabilidade. Por fim, verificou-se que as declarações apologéticas, que podem ter utilidade na resolução de conflitos, parecem concentrar seu melhor potencial no ambiente da mediação, protegido pela confidencialidade, ao menos enquanto inexistente o tratamento legislativo específico sobre o assunto.
Detecting New Visual Binaries in Gaia DR3 with Gaia and Two Micron All Sky Survey (2MASS) Photometry. I. New Candidate Binaries within 200 pc of the Sun
Authors: Medan Ilija , Lépine Sébastien
Published: November 2023

We present a method to identify likely visual binaries in Gaia eDR3 that does not rely on parallax or proper motion. This method utilizes the various point-spread function sizes of Two Micron All Sky Survey (2MASS)/Gaia, where at <2.″5 two stars may be unresolved in 2MASS but resolved by Gaia. Due to this, if close neighbors listed in Gaia are a resolved pair, the associated 2MASS source will have a predictable excess in the J band that depends on the ΔG of the pair. We demonstrate that the expected relationship between 2MASS excess and ΔG differs for chance alignments, as compared to true binary systems, when parameters like magnitude and location on the sky are also considered. Using these multidimensional distributions, we compute the likelihood of a close pair of stars to be a chance alignment, resulting in a total(clean) catalog of 68,725(50,230) likely binaries within 200 pc with a completeness rate of ∼75%(∼64%) and contamination rate of ∼14%(∼0.4%). Within this, we find 590 previously unidentified binaries from Gaia eDR3 with projected physical separations <30 au, where 138 systems were previously identified, and for s < 10 au we find that 4 out of 15 new likely binaries have not yet been observed with high-resolution imaging. We also demonstrate the potential of our catalog to determine physical separation distributions and binary fraction estimates, from this increase in low-separation binaries. Overall, this catalog provides a good complement for the study of local binary populations by probing smaller physical separations and mass ratios, and provides prime targets for speckle monitoring.
A Rotating Accretion Disk around MWC 297, a Young B1.5Ve Star
Authors: Sandell Göran , Vacca William
Published: November 2023

High-resolution spectra with iSHELL on IRTF in the K and M bands of the young, heavily accreting B1.5Ve star MWC 297 show numerous double-peaked CO lines. These CO lines originate in an inclined gaseous disk in Keplerian rotation. MWC 297 is the only early B star known to show a Keplerian disk in CO. Analysis of the spectra shows that 12CO 1–0 is optically thick for the low excitation lines. Even the 13CO 1–0 and 12CO 2–1 have somewhat optically thick lines at low J levels. We find that the CO emission in the disk can be fitted with CO being in a narrow ring at a radius of 12 au, with a temperature of 1500 K and a CO column density of 1.6 × 1018 cm−2. This model underestimates the line strength of high-J lines, indicating that they are excited by fluorescence. The CO overtone lines have a similar temperature. The 13CO lines are much brighter than expected from interstellar isotope ratios. The 13CO lines are wider than the 12CO ones, suggesting different excitation conditions. The same is true for 12CO 2–1. We see strong absorption in 12CO and 13CO 1–0 at low J levels, which is due to two cold foreground clouds. These clouds, one with a temperature of 8.3 K and a column density of 6.7 1017 cm−2 and the other one colder and with lower column density, can fully account for the observed extinction toward MWC 297.
Shock Enhanced [C ii] Emission from the Infalling Galaxy Arp 25
∗
Authors: Fadda Dario , Sutter Jessica S. , Minchin Robert , Polles Fiorella
Published: November 2023

We present SOFIA observations with HAWC+ and FIFI-LS of the peculiar galaxy Arp 25, also known as NGC 2276 or UGC 3740, whose morphology is deformed by its impact with the intragroup medium of the NGC 2300 galaxy group. These observations show the first direct proof of the enhancement of [C ii] emission due to shocks caused by ram pressure in a group of galaxies. By comparing the [C ii] emission to UV attenuation, dust emission, PAH, and CO emission in different regions of the galaxy, we find a clear excess of [C ii] emission along the impact front with the intragroup medium. We estimate that the shock due to the impact with the intragroup medium increases the [C ii] emission along the shock front by 60% and the global [C ii] emission by approximately 25% with respect to the predicted [C ii] emission assuming only excitation caused by stellar radiation. This result shows the danger of interpreting [C ii] emission as directly related to star formation since shocks and other mechanisms can significantly contribute to the total [C ii] emission from galaxies in groups and clusters.
Impact of Galaxy Clusters on the Propagation of Ultrahigh-energy Cosmic Rays
Authors: Condorelli Antonio , Biteau Jonathan , Adam Remi
Published: November 2023

Galaxy clusters are the largest objects in the Universe kept together by gravity. Most of their baryonic content is made of a magnetized diffuse plasma. We investigate the impact of such a magnetized environment on the propagation of ultrahigh-energy cosmic rays (UHECRs). The intracluster medium (ICM) is described according to the self-similar assumption, in which gas density and pressure profiles are fully determined by the cluster mass and redshift. The magnetic field is scaled to the thermal components of the ICM under different assumptions. We model the propagation of UHECRs in the ICM using a modified version of the Monte Carlo code SimProp, where hadronic processes and diffusion in the turbulent magnetic field are implemented. We provide a universal parameterization that approximates the UHECR fluxes escaping from the environment as a function of the most relevant quantities, such as the mass of the cluster, the position of the source with respect to the center of the cluster, and the nature of the accelerated particles. We show that galaxy clusters are an opaque environment, especially for UHECR nuclei. The role of the most massive nearby clusters in the context of the emerging UHECR astronomy is finally discussed.
BASS. XXXIV. A Catalog of the Nuclear Millimeter-wave Continuum Emission Properties of AGNs Constrained on Scales ≤ 100–200 pc
Authors: Kawamuro Taiki , Ricci Claudio , Mushotzky Richard F. , Imanishi Masatoshi , Bauer Franz E. , Ricci Federica , Koss Michael J. , Privon George C. , Trakhtenbrot Benny , Izumi Takuma , Ichikawa Kohei , Rojas Alejandra F. , Smith Krista Lynne , Shimizu Taro , Oh Kyuseok , den Brok Jakob S. , Baba Shunsuke , Baloković Mislav , Chang Chin-Shin , Kakkad Darshan , Pfeifle Ryan W. , Temple Matthew J. , Ueda Yoshihiro , Harrison Fiona , Powell Meredith C. , Stern Daniel , Urry Meg , Sanders David B.
Published: November 2023

We present a catalog of the millimeter-wave (mm-wave) continuum properties of 98 nearby (z < 0.05) active galactic nuclei (AGNs) selected from the 70 month Swift/BAT hard-X-ray catalog that have precisely determined X-ray spectral properties and subarcsecond-resolution Atacama Large Millimeter/submillimeter Array Band 6 (211–275 GHz) observations as of 2021 April. Due to the hard-X-ray (>10 keV) selection, the sample is nearly unbiased for obscured systems at least up to Compton-thick-level obscuration, and provides the largest number of AGNs with high-physical-resolution mm-wave data (≲100–200 pc). Our catalog reports emission peak coordinates, spectral indices, and peak fluxes and luminosities at 1.3 mm (230 GHz). Additionally, high-resolution mm-wave images are provided. Using the images and creating radial surface brightness profiles of mm-wave emission, we identify emission extending from the central sources and isolated blob-like emission. Flags indicating the presence of these emission features are tabulated. Among 90 AGNs with significant detections of nuclear emission, 37 AGNs (≈41%) appear to have both or one of extended or blob-like components. We, in particular, investigate AGNs that show well-resolved mm-wave components and find that these seem to have a variety of origins (i.e., a jet, radio lobes, a secondary AGN, stellar clusters, a narrow-line region, galaxy disk, active star formation regions, or AGN-driven outflows), and some components have currently unclear origins.
Visualising the Catalogues of Digital Editions
Authors: Kurzmeier Michael , O'Sullivan James , Pidd Mike , Murphy Orla , Wessels Bridgette
Published: November 2023

This article provides a data-driven overview of the developments in the field of digital scholarly editing. It surveys and evaluates the available data source on digital scholarly editions and provides longitudinal analysis of changes in number of projects, geographic distribution, licensing, interfaces and preservation. Digital scholarly editions (DSE) are essential to arts and humanities research, but also, society and culture at large. They are the primary instrument through which textual and cultural heritage, expert knowledge, and public understanding are negotiated. Their comparatively long history makes them especially suited for a diachronic approach, describing their change over time. While digital editions can vary greatly in scope and lifespan, a quantitative analysis of two of the most comprehensive data sources on digital editions can produce data-based insight into the developments within the field over time.  Exploring this history and at the same time assessing the available metadata on DSEs is the aim of this article. It presents the state of the two most comprehensive available sources on digital editions and details the methodology and visualisation process undertaken. In its analysis, it is at the same time a quantitative approach to DSEs as well as a critique of the available data sources on editions.
Quand l’ivoire devient gênant. L’exposition de collections d’ivoires dans les musées à Hong Kong, Canton et Taipei
Authors: Bouillot Claire
Published: November 2023

Les collections d’ivoires d’éléphant, qualifiées de « vivantes » en partie, sont dotées de caractéristiques propres permettant aux conservateurs de musée de les valoriser sous différents aspects. Sur les territoires de Hong Kong, Canton et Taipei, pris dans la tension du marché global de l’ivoire, ces professionnels tentent une articulation délicate entre un discours de protection de l’animal dont l’espèce est menacée et un second autour de la protection d’une « culture de l’ivoire » subsistante dont ces objets sont les témoins. Plus ou moins sommés de donner l’exemple, ils proposent des formes d’exposition différentes d’objets en ivoire pourtant similaires.
Actual Distributions and Validity of Petroleuciscus spp., with the Range Extension and Length-Weight Relationship Data in Case of Petroleuciscus ninae
Authors: Kaya Cuneyt , Kurtul Irmak , Baycelebi Esra , Ilhan Ali , Sari Hasan Musa
Published: November 2023

The genus Petroleuciscus was known from the Marmara, Aegean, and Black Sea drainages, as well as southeast Anatolia and Iran. However, studies conducted in recent years have suggested that the species described in southeast Anatolia and Iran belong to different genera. The results and recommendations of these studies were evaluated. On the other hand, in the scope of this study, the taxonomic status and length-weight relationship of several Petroleuciscus ninae populations in Western Anatolia were evaluated. The morphological comparisons revealed that Tahtalı Reservoir, Küçük Menderes and Sarıçay rivers, and Acıgöl Lake`s Petroleuciscus populations recorded as Petroleuciscus smyrnaeus in all previous studies belong to P. ninae which was known only from the type locality Akçay Stream. In addition, the length-weight relationship of P. ninae in the lakes Akgöl and Belevi, Lake Acıgöl, stream Akçay, Sarıçay River, an inflow of Yenişehir Reservoir and inflow of Tahtalı Reservoir were studied. The following research considers some first records and comprehensive information on the length-weight relationship of P. ninae in the Western Anatolia water resources. In study, the constant b changed from 3.101 to 3.389 (Akçay Stream) in all the sampling locations. It is expected that the results of this research might support the conservation of this species and contribute knowledge of its taxonomic status.
Динамическая система Мамфорда и гиперэллиптические функции Клейна
Authors: Buchstaber Victor Matveevich
Published: November 2023

В работе построена дифференциально-алгебраическая теория динамической системы Мамфорда. Введена $(P,Q)$-рекурсия, которая по данной функции $P_1$ и любой последовательности параметров $h_1,h_2,…$ определяет последовательность функций $P_1,P_2,…$. Показано, что общее решение $(P,Q)$-рекурсии дает решение параметрической градуированной иерархии Кортевега-де Фриза. Доказано, что все решения динамической $g$-системы Мамфорда задаются $(P,Q)$-рекурсией при условии $P_{g+1} = 0$, которое эквивалентно обыкновенному нелинейному дифференциальному уравнению порядка $2g$ на функцию $P_1$. Описана редукция $g$-системы Мамфорда к динамической системе Бухштабера-Энольского-Лейкина и представлено в явном виде ее $2g$-параметрическое решение в гиперэллиптических функциях Клейна.
Effect of Averrhoa bilimbi Leaf Extract on Blood Glucose Level, Hepatosomatic Index (HSI), and Liver Histology of Diabetic Mice
Authors: Verangga Alan , Qomariyah Nur , Khaleyla Firas
Published: November 2023

Averrhoa bilimbi leaf extract (BLE) contains high antioxidant levels. Antioxidants can suppress reactive oxygen species produced during hyperglycemic conditions in diabetes mellitus (DM), which cause damage to liver tissue. This study aimed to determine the BLE effect on fasting blood glucose (FBG), Hepatosomatic Index (HSI), and liver tissue damage. We used 24 mice in 6 different groups, divided by N (normal), K- (DM), K+ (DM+glibenclamide 0.013mg/20gBW), E1 (DM+ extract 6.3mg/20gBW), E2 (DM+ extract 8.4mg/20gBW), and E3 (DM + extract 10.5mg/20gBW). We used an alloxan dose of 120mg/kgBW to induce the DM and then treated with BLE for 14 days. We measured the fasting blood glucose using a glucometer. In addition, we evaluated the liver tissue damage with HSI and Hematoxylin-Eosin (HE) stained histological slides. The results showed that BLE significantly reduced the percentage of FBG and liver tissue damage, while HSI showed no significant difference. The most optimal extract dose was 8.4 mg/20gBW (E2 group), with an FBG decrease of 26.44%, a normal cell percentage of 88.56%, and an HSI score of 6.18%. Based on this finding, we concluded that bilimbi leaf extract could lower blood glucose and improve liver histology of diabetic mice but did not significantly affect HSI.
Haplotype Diversity in the Mitochondrial COI Gene of Barred Rainbowfish (Chilaterina fasciata) from Mamberamo River of Western New Guinea, Indonesia
Authors: Putra Widya Pintaka Bayu , Wibowo Arif , Kristanto Anang Hari
Published: November 2023

A Barred rainbowfish (Chilatherina fasciata) is one of the native fish species found in Western New Guinea of Indonesia. This study aimed to observe the levels of haplotype diversity in the partial Cytochrome-c oxidase subunit I (COI) gene of Barred rainbowfish. For the DNA analysis, thirty (30) Barred rainbowfishes were caught from the Mamberamo River. Three (3) molecular packages of BioEdit, MEGA, and DNAsp were used to analyze twenty (30) forward sequences of the COI gene (502 bp). The research showed four (4) haplotypes for the examined population, a total of seven (7) mutations, and low genetic diversity detected in the partial COI gene with the haplotype diversity (Hd) = 0.405 and nucleotide diversity (pi) = 0.003. Meanwhile, the Fu's and Tajima's tests were 1.21 and -0.69, respectively. The UPGMA tree with 1,000 × bootstrap replications revealed that Barred rainbowfishes are grouped into similar clusters with Melanotaenia vanheurni, Chilatherina alleni, and Chilatherina bleheri. In conclusion, haplotype 3 (77%) was detected as the common haplotype for Barred rainbowfishes at the Mamberamo River of Western New Guinea.
Isolation, Identification and Assessment of Efficient Cellulase Producing Bacteria from the Termite Guts
Authors: Tinrat Sirikhwan , Tabtimmai Lueacha , Sedtananun Saranya , Tachaapaikoon Chakrit , Choowongkomon Kiattawee
Published: November 2023

The present study is concerned with the screening the cellulase-producing bacteria from termite gut, assessed potential cellulase-producing bacteria and partial characterization (optimum parameters) of cellulase from isolated bacteria. The result showed that 15 out of 48 isolated strains was positive for degrading the carboxy methyl cellulose (CMC) in agar by congo-red method. After screening by DNS assay, three selected bacteria exhibited high cellulase activity that were identified as Citrobacter amalonaticus CM 1-3, Bacillus cereus CM 5-1 and Streptococcus salivarius CE 5-1 using 16S rRNA sequence analysis. All bacterial strains utilized CMC and showed the highest cellulase activity. Cellulase characterization of C. amalonaticus CM 1-3 and S. salivarius CE 5-1 was revealed optimum activity at 35°C, pH 7.0 and for 48 h. Bacillus cereus CM 5-1 represented its potential use in industrial processes due to thermostable cellulase production. The crude cellulase of this strain was purified by (NH4)2SO4 precipitation with 1.58 purification fold and 74.38% overall recovery. The optimal temperature and pH for cellulase activity of B. cereus CM 5-1 were at 40°C and pH 7.0. Thus, this study provided additional information about the diversity and partial characteristic cellulase of cellulolytic bacteria from termite gut for future industrial applications.
Identification, Characterization and Antioxidant Activity of Yellowish-Orange Pigments Actinobacteria
Authors: Halimah Rusyda Farhana , Batubara Irmanida , Lestari Yulin
Published: November 2023

Actinobacteria are Gram-positive bacteria that can produce various secondary metabolites, including pigments that have potential as antioxidants. This study assessed the characteristics of yellowish-orange pigmented actinobacteria. The antioxidant activity of their extract pigment was tested by DPPH and analyzed by LC-MS. The identification results based on the 16S rRNA gene showed that the HRA isolate had 99.91% similarity value to Streptomyces gramineus JR-43, the HVA isolate had 99.22% similarities value to S. tendae ATCC 19812 and the HVB isolate had 81.18% similarities value to Rhodococcus ruber DSM 43338. Meanwhile, AGM 2.2 and 2.3 isolates had similarities to S. xanthophaeus NRRL B-5414 with similarity values of 98.95% and 99.82%, respectively. The Inhibitory Concentration (IC50) of actinobacterial crude extract pigments ranges from 53.38 µg/ml to 184.38 µg/ml. The HVB isolates with the major compound luteolin, have the highest antioxidant activity. The crude extract pigment of HVB isolates may consider rich in luteolin and has potency as an antioxidant.
Oxidative Stress, Hypoxia-Inducible Factor-1α, and Nuclear Factor-Erythroid 2-Related Factor 2 in the Hearts of Rats Exposed to Intermittent Hypobaric Hypoxia
Authors: Wardaya Wardaya , Mulyawan Wawan , Jusman Sri Widia A , Sadikin Mohamad
Published: November 2023

Hypobaric hypoxia is situation that might occur to helicopter pilots in Indonesia who must fly at an altitude of more than 3,048 m such as in Papua. It can be dangerous because hypoxic condition can affect person's performance. So far, the heart is known as an aerobic organ and very sensitive to hypoxic conditions. Hitherto, the effects of hypobaric hypoxia exposure on biomolecular aspects of the heart are still unclear. Therefore, this study assessed cardiac response in rats exposed to intermittent hypobaric hypoxia (IHH) (equivalent to 3,048 meters/10,000 feet). Sprague-Dawley rats were divided into six groups: control; acute hypobaric hypoxia (AHH); and IHH, for 7; 14; 21; and 28 days. We measured super oxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) activities, reduced glutathione (GSH), malondialdehyde (MDA), cytoglobin, myoglobin, HIF-1α, and Nrf2 level as our parameters. Activities of SOD, CAT, GPx and GSH increased while the levels of MDA, cytoglobin, myoglobin, HIF-1α, and Nrf2 decreased in all IHH groups compared with the AHH group. A biphasic pattern was observed as IHH sessions increased from 14 to 21 or 28. Where the IHH treatment for more than 14 sessions caused a decrease in endogenous antioxidants, but the response to hypoxia and oxidative stress increased. Our findings presented the molecular alterations of cardiac rats exposed to intermittent hypobaric hypoxia.
Microscopical Evaluation and TLC Analysis of Pluchea indica (L.) Less: Leaf, Stem, and Root
Authors: Hikmawanti Ni Putu Ermi , Saputri Fadlina Chany , Yanuar Arry , Ningrum Ratih Asmana , Mun'im Abdul , Hayati Hayati
Published: November 2023

Pluchea indica (L.) Less is traditionally utilized to treat postpartum women in Indonesia. The plant has many pharmacological properties, so that it can be further developed as herbal medicine. In that development process, plant authentication is needed to ensure the quality of raw materials. A simple microscopical and thin-layer chromatography (TLC) analysis might be a way to authenticate the plant, but it has never been reported. So, this study evaluates the microscopical and TLC analysis for P. indica authentication in standardized herbal medicines production. Plant microscopic observation, fluorescence analysis, and polyphenol screening were conducted. n-Hexane, ethyl acetate, and methanol extracts of plant organs were then analyzed by TLC. Here, we reported that in microscopical analysis the simplicia of P. indica contains trichomes and tannin-containing cells. In addition, chlorogenic acid as a marker was present in TLC analysis by ethyl acetate-water-formic acid-acetic acid (8.5:1.5:1:1, v/v). The results of this evaluation might provide additional information in the identification, authentication, and quality control of P. indica as a raw material for herbal medicine.
Nutritional quality, glycemic index and glycemic load of two similar traditional diets consumed in Northeast, Nigeria
Authors: Mohammed Zinat S. , Alhassan Adamu J. , Dangambo Maryam A. , Maigari Fatima
Published: November 2023

Glycemic index (GI) and glycemic load (GL) have been implicated in the development and progression of chronic non communicable diseases (NCDs) and WHO has recommended dietary approach in its management. This study was conducted to assess the nutritional composition of two varieties of Danwaken; fulawa and dawa which are traditional diets consumed in Bauchi and Gombe states with a view to ascertaining its GI in the management of chronic NCDs. Proximate, amino and fatty acids compositions of the Danwake varieties were analyzed using standard procedures. Eighty volunteers were recruited from Bauchi and Gombe metropolitan areas and feed with 50 g of test and reference foods (white bread) and GI was determined by trapezoid method. Danwaken fulawa had a significantly higher moisture and carbohydrate content (p<0.05) and lower protein content compared to Danwaken dawa. Total amino acids and essential amino acids in Danwaken dawa (912, 367 mg/g protein) were higher than Danwaken fulawa (854, 294 mg/g protein) respectively, with higher limiting amino acid score compared with WHO/FAO/UNU requirements except lysine. Both diets had no essential fatty acids with high GI and GL, although Danwaken fulawa had a higher GL value which was significantly different (p<0.05).
Bi-commutative digital contraction mapping and fixed point theorem on digital image and metric spaces
Authors: Adagonye Okwegye , Ayuba Solomon Akyenyi
Published: November 2023

The contraction mapping theorem is a powerful and most useful method in constructing the solution of linear and nonlinear systems. The principle of Banach fixed point guarantees that a self-contraction mapping of a complete metric space has a unique fixed point which can be obtain using the limit of iteration technique defined by repeated images under mapping of an arbitrary starting point in space. In this paper, we propose a Bi-commutative (II-commuting) digital maps for Kannan and Reich contraction mapping theorem and analyze the existence and uniqueness of the fixed point in the framework of digital metric spaces. We applied the contraction and commutative maps methods in proving our results. The results obtained satisfies the existence and uniqueness condition of the Banach contraction principle for a digital contraction mapping in digital metric space.
Solid waste management practice and challenges in Sapele, Delta State, Nigeria
Authors: Onokohwomomo Ohwofasa Wilson , Ekene Biose
Published: November 2023

Sustainable healthy living conditions depends on effective waste management. The aim of this study is to evaluate solid waste management practices and challenges in Sapele, Delta State, Nigeria. Three communities were administered three hundred questionnaires which were pre- tested and refined. The results shows that 56.7% of respondents are male while only about 43.3% are female and 70% of household heads are married. Organic waste/food waste had the highest percentage of 96.7% followed by plastic (90%). Empty can drinks recorded the highest percentage with (100%) across the study area. A Majority (73.3%) of the respondents strongly agreed and agreed that inadequate service coverage by waste managers could lead to waste management problems while 13.3% were undecided. 73.3% of the respondents strongly agreed and agreed that lack of trained personnel by waste managers could lead to waste management problems. A Majority (80%) and (83.3%) of the respondents strongly agreed and agreed that lack of vehicles and vehicle /equipment breakdown of waste managers could lead to waste management problems. 72% and 66.7% of the respondents strongly agreed and agreed that the lack of enforcement measures by government agencies and poor cooperation by government agencies on waste managers could lead to waste management problems. 86.7% of respondents considers that environmental degradation from solid waste affects their families while 96.7% of respondent agreed that waste litter the road, land and public area. Sapele locals require health education as well as regular garbage collection facilities at authorized final dump locations. These will encourage rigorous adherence to proper and appropriate waste management procedures among them.