bluuebunny/crossref_metadata_2025 huggingface dataset:
The Career Development of Slash Youth under the New Business Format: Analysis of Dilemma and Exploration of Countermeasures
Authors: Cai Simin , Ning Xianyu
Published: February 2025

With the rise of new forms of business, the group of slash youth is growing, and its career development has been widely concerned. This paper deeply analyzes the status quo and dilemma of the career development of the slash youth, such as the role conflict under the part-time work mode, the career development path being unclear, and the lack of protection of social security, rights, and interests. At the same time, it explores the corresponding countermeasures, including precisely planning the career path to strengthen the core competitiveness, optimizing the time management and role coordination strategy, and improving the social security and rights and interests protection mechanism. Through the discussion of the dilemma and countermeasures, the study aims to help the slash youth to better realize career development under the new business format and grasp the diversified development opportunities.
Analysis of the Current Situation and Countermeasures for Qinhuangdao City’s Active Response to Population Aging and the Construction of Elderly Care Service System
Authors: Qian Li
Published: February 2025

With the continuous development of global technology and the improvement of medical standards, the aging of the population is an inevitable consequence. In recent years, the decline in birth rate and mortality rate has accelerated the proportion of the aging population in China. However, public elderly care institutions still mainly focus on providing basic support, while private elderly care institutions face issues such as incomplete infrastructure, weak professional service capabilities in rehabilitation nursing and emotional support, insufficient follow-up funding, management and operation mechanisms that need improvement, conflicts with traditional ideologies, and high elderly care costs. In recent years, various regions across the country have actively explored new models of socialized home-based elderly care services. However, due to deviations in social awareness and the weakness of professional service teams, it is more important to fully leverage the government’s role in leading socialized home-based elderly care services.
The Practice and Promotion Pathways of Age-Friendly Communities in Chengdu City: A Case Study of Gaojia Community, Dafeng Sub-district, Xindu District
Authors: Zhang Huan
Published: February 2025

As the aging process accelerates, the issue of elderly care is receiving increasing attention, among which the construction of age-friendly communities has improved China’s elderly care system. The article first combs through the concept of age-friendly communities and the theoretical connotations of constructing age-friendly communities both domestically and internationally. Through research on the Gaojia Community in Dafeng Sub-district, Xindu District, Chengdu, which was rated as an age-friendly community in 2021, it was found that the development path of Gaojia Community as an age-friendly community is as follows: leading with culture to create a community, fostering a harmonious and supportive atmosphere for the elderly; being good at utilizing surrounding resources to build a base for conveying concepts; improving the environment with both soft and hard aspects, focusing on creating spaces suitable for the elderly; exploring the application of digital devices to identify needs and provide precise assistance to the elderly; closely focusing on aging in place, exploring and innovating governance models; and linking various stakeholders to emphasize participation, helping to build a shared community.
Exploration of the Development Path of Dubbing Industry in the Era of Intelligent Media
Authors: Du Ruidi
Published: February 2025

With the rapid development of intelligent media technology, the demand for high-quality dubbing in fields such as film and television dramas, animation, and games is increasing, providing unprecedented development opportunities for the dubbing industry. However, the dubbing industry is also facing many challenges as it rapidly expands. This article will analyze the current situation and problems of the dubbing industry in the era of intelligent media, draw on the successful experience of the Japanese voice actor industry, propose specific optimization strategies, explore the feasible development path of China’s dubbing industry in the era of intelligent media, and promote its sustainable development.
The Heritage Crisis of Traditional Chinese Medicine Exercise Therapy from the Perspective of Cultural Identity
Authors: Li Jiufen , Zheng Jian , Yu Liangwen , Liang Yanchang
Published: February 2025

Research objectives: China attaches great importance to carrying forward, developing, and innovating the excellent traditional Chinese culture. This is to inherit and carry forward the excellent traditional Chinese culture that is important. Traditional Chinese medicine exercise therapy is an important part of traditional Chinese medicine that should also be preserved. However, under the diversified impact of modern society, its cultural identity is lacking and the inheritance predicament is difficult. Therefore, this paper explores the inheritance crisis of traditional Chinese sports therapy from the perspective of cultural identity. Research methods: Literature, interviews, and logical analysis are performed. Results and analysis: There are some problems in the process of inheriting traditional exercise therapy, such as a fuzzy sense of identity, anxiety about inheriting identity, and over-commercialization. Suggestion: The inheritance of TCM traditional exercise therapy needs the concerted efforts of all sectors of society, strengthening the construction of teaching staff, coordinating the relationship between inheritance and modern education, multi-directional, multi-angle, and multi-level publicity, and telling the story of TCM traditional exercise therapy well.
ENERGY AWARENESS OF MANUFACTURING COMPANIES IN PURCHASING AND USING CLOUD COMPUTING SERVICES
Authors:   University of Lodz, Pamuła Anna , Zalewska-Turzyńska Magdalena ,   University of Lodz
Published: February 2025

Purpose: The use of cloud services grows rapidly, due in part to the development of
Industry 4.0 concept and massive use of new artificial intelligence applications. It should be
noted that this involves significantly increased electricity consumption. This increase is mainly
concentrated in data centers, but the understanding energy efficiency practices on user sides is
also necessary.
Design/methodology/approach: The research problem of the article was the assessing the level
of managers awareness in manufacturing companies regarding the energy consumption of cloud
computing services. As a first step literature study was performed out on the importance of
carrying out energy efficiency measures and practices, especially related to the development of
cloud computing services. The empirical part of the study was based on a quantitative method,
the opinions of 300 IT managers were collected using a questionnaire designed for this purpose
(the Cronbach's alpha 0.957).
Findings: The overall of the importance of the investigated energy efficiency practices is low
and their perception slightly varies according to the size of the organization.
Research limitations/implications: Only a few selected from wide range of practices were
surveyed restricted to the area of purchasing and IT management. Managers' opinions were
questioned, the research did not include documents (e.g. procurement documents) to confirm
opinions.
Practical implications: The future introduction of the obligation to conduct an energy audit in
medium and small organisations can raise awareness of the need for energy management in the
procurement and use of IT services. It should be motivated and supported by activities carried
out by governmental and social organisations.
Social implications: Increasing awareness and action related to energy management in the
purchase and IT services management has a positive impact on the environment, especially
while their massive use.
Originality/value: The article points out the need for organizations to raise awareness of the
environmental impact of using cloud computing services in the area of energy efficiency and
consumption. This is important both for organizations and for the bodies responsible for
stimulating sustainable development activities.
LEGAL LIABILITY OF AN ORGANISATION USING ARTIFICIAL INTELLIGENCE
Authors:   Silesian University of Technology, Rubisz Szymon
Published: February 2025

Purpose: an analysis of the impact of artificial intelligence on organisations, with a particular
focus on the legal liability associated with the use of AI-based tools.
Design/methodology/approach: legal and qualitative analysis of AI’s impact on organizations,
focusing on general principles of civil law and regulatory frameworks like the AI Act.
The paper adopts a formal-dogmatic method of interpreting legal texts and case-study approach,
examining specific instances of AI use, and covers theoretical aspects of liability, data privacy,
intellectual property etc.
Findings: the analysis reveals that while AI greatly enhances efficiency and innovation, it also
introduces complex legal risks, particularly concerning data privacy, liability, and intellectual
property. In many cases, existing rules and laws may be adequate to deal with potential
infringements using AI. The EU legislation being implemented provides for new specific
obligations for AI operators complementing existing spheres of legal liability. Due to the legal
uncertainty, organisational managers have to balance efficiency and accountability.
Originality/value: an analysis of the impact of artificial intelligence (AI) on the legal liability
of organisations, particularly in the context of civil and administrative law (within EU).
The paper highlights AI as a key tool in organisations, but also identifies legal risks due to the
lack of national legislation specific to AI. It is intended for decision-makers implementing
AI within organisations.
बघेली भाषा में कविता के विविध आयाम
Authors: Prajapati Nirpat Prasad
Published: February 2025

आदि भाषा संस्कृत को हिंदी भाषा की जननी कहा जाता है. संस्कृत – पालि-प्राकृत -अपभ्रंश -हिंदी के अनुक्रम में हिंदी भाषा का विकास हुआ। पूर्वी हिंदी के अंतर्गत तीन बोलियां या उपभाषाएँ आती हैं – अवधी, बघेली, और छत्तीसगढ़ी। बघेली भाषा हिंदी भाषा के पूर्वी हिंदी प्रभाग की एक प्रमुख भाषा है। बघेली भाषा क्षेत्र को बघेलखंड के नाम से जाना जाता है। इस प्रदेश का उल्लेख प्राचीन समय से मिलता है। रामायण काल में इस भू-भाग को कौशल प्रांत या महाकौशल के नाम से जाना जाता था। 11वीं-12वीं शताब्दी के लगभग आल्हलवाड़ा पाटन के सोलंकी राजपूतों की शाखा के व्याघ्रदेव बघेल ने यहां के शासक को पराजित करके बघेल राजवंश की नींव डाली, तब से देशी राज्यों के विलीन होने तक बघेलखंड में बघेल राजपूतों द्वारा शासन किया जाता रहा है। बघेल वंश के नाम से इस भू-भाग को बघेलखंड के नाम से जाना जाने लगा तथा बघेल वंश द्वारा शासित भूभाग में बोली जाने वाली भाषा को ‘बघेली’ के नाम से जाना जाता है। प्रारम्भ में बघेली भाषा का साहित्य लोक गीतों, लोक कथाओं, संस्कार गीतों, लोकोक्तियों, मुहावरों, कहानियों, मुकरियों, किस्से आदि के रूप में मौखिक रूप में प्राप्त होता है। मौखिक होने के कारण उनके स्वरूप में परिवर्तन आना स्वाभाविक है जिससे हमें बघेली बोली के प्रारम्भिक स्वरूप का ज्ञान नहीं हो पाता है। हिन्दी भाषा के पूर्वी प्रभाग की रीवा, सीधी, सतना, शहडोल क्षेत्र में बोली जाने वाली भाषा को बघेली भाषा कहा जाता है, जिसके मूर्धन्य कवि - सैफुद्दीन सिद्दीकी,सैफू जी,कवि सुखई प्रसाद अटल,बाबूलाल दाहिया,शम्भू काकू, हैं। श्री निवास शुक्ल सरस जिन्होंने बघेली काव्य परंपरा को नए आयाम दिया व एक सुदृढ़ काव्य परंपरा प्रदान की जिसमें देश व समाज की सामाजिक, राजनीतिक और सांस्कृतिक चेतना चित्रित हुई है।बघेली कवियों ने समाज में पनपी विकृतियों और समाज की रूढ़िगत विसंगतियों पर प्रहार अपने रचनाओं में किया है। किसान, दहेज प्रथा, बेरोजगारी, बाल-विवाह, जनसंख्या वृद्धि, बढ़ती महंगाई, सूखा, अकाल, पर्यावरण आदि समस्याओं व बुराइयों से मुक्ति की छटपटाहट को बघेली भाषा साहित्य का अंग कमोबेश सभी कवियों नेरचना का विषय बनाया। बघेली कवियों ने भारतीय परंपरा से प्रभावित भारत की प्रगतिशील सामाजिक परिस्थितियों,राष्ट्रीय चेतना व मानवतावादी दृष्टिकोण को प्रसारित किया व नारी के प्रति श्रद्धा व सम्मान व्यक्त किया। बघेली भाषा का साहित्य विविध विधाओं में समृद्ध है और अन्य क्षेत्रीय बोलियों से किसी भी मामले में कमतर नहीं है।
Beato Inocêncio XI
Authors: Rubert Arlindo
Published: February 2025

No dia 7 de Outubro de 1956, festa de Nossa Senhora do Rosário, o Papa Pio XII decretou as honras dos altares para seu predecessor Inocêncio XI, cuja causa de beatificação tem sua história interessante, pitoresca até. Se havia interessados na sua exaltação, não faltaram, noutros tempos, os que aninhavam interêsses contrários. Vivera o ilustre Pontífice numa época crítica. Mas, afinal de contas, a história lhe fêz justiça e a Igreja no-lo aponta como modêlo a seguir. Muito podemos aprender do Beato Inocêncio XI. Sua vida encerra certos aspectos não muito comuns na vida dos santos. Daí a importância de conhecermos sua figura e a razão por que a Igreja, precisamente em nossos dias, achou oportuno exaltar o grande Pontífice...
Advancing manufacturing sustainability with industry 4.0 technologies
Authors: Md Bahar Uddin  , Md. Hossain  , Suman Das
Published: February 2025

This study reviews the role of Industry 4.0 technologies—such as IoT, AI, big data analytics, cyber-physical systems, and digital twins—in achieving manufacturing sustainability. These technologies enhance efficiency, optimize resources, and reduce environmental impact, aligning with the UN's Sustainable Development Goals (SDGs) for 2030. Despite their significance, limited research comprehensively examines their sustainability implications. The review identifies current research trends, explores key technological contributions, and highlights future research opportunities. The role and impact of different Industry 4.0 technologies for manufacturing sustainability is discussed in detail. The findings of this study provide new research scopes and future research directions in different research areas of Industry 4.0 which will be valuable for industry and academia to achieve manufacturing sustainability with Industry 4.0 technologies.
Investigating water management practices among farmers in Afgoi, Lower Shabelle, Somalia
Authors: Anas Ali Madar
Published: February 2025

Globally water is a key shared resource for health, human development and ecosystems, and it is vital for the eradication of poverty (FAO). The aim of this study was to investigating water management practices among farmers with specific consideration to Afgoi, Lower Shabelle Somalia. The study was guided three objectives i.e. to assess the current water management practices among farmers in Afgoi district, to analyze the challenges of water management among farmers, and to recommend strategies of water management practices among farmers. This study employed a questionnaire survey with sample size 384 from the population and the strategy was simple random sampling. The study found that 60.4% of the respondent’s revealed absence of structural measures to manage water and 81.1% perceived changes of rainfall and temperature, the changes have affected crops and livestock in a number of ways resulting in reduced productivity. Finding revealed that 43.0% respondents perceived water scarcity, also the study found that 50.8% of the respondent’s lack of knowledge and limited skills in harvesting water and 69.6% result show that supplement irrigation is highly agreed. There are different recommendations for ways of water management in response to water shortage. Awareness of various water management options should be conducted to enhance farmer resilience and sustainable development. Further research should focus on the effectiveness of adaptation methodologies employed by agriculturalists and rural farming in response to water shortage.
On the implementation of linear position control using fuzzy logic approach
Authors: Darasing Ramrao Solanke  , Suhas Dnyandeo Pachpande  , Rajesh Dinkarrao Bhoyar
Published: February 2025

This paper investigated a significant application of fuzzy set theory and fuzzy logic. The proposed work aimed to simulate Fuzzy Logic Controller (FLC) for linear position control. With this objective, an initiative is taken to design and simulate a Fuzzy Inference System (FIS) to control linear position in a computer-assisted environment. In this paper, the implementation of a Mamdani Fuzzy Inference System has been demonstrated with the application of controlling linear displacement. The design and simulation of conventional fuzzy logic controller (FLC) for a single input single output (SISO) system, is carried out. The system consists of a fuzzy logic controller that analyzes probable control situation based on the error distance and its error derivative. The controller determines the sufficient linear motion required to obtain the desired set-position while providing a smooth motion for the slider. The robustness of the proposed control scheme is verified by numerical simulation. The proposed scheme has better performance than the conventional method due to parameter variation and extraneous disturbance. To demonstrate its performance, the proposed control algorithm is applied to a real time position control system.
Rigorous Proof and Physical Applications of Analytic Continuation of Fractal Zeta and Implications of Fractal Riemann Hypothesis
Authors: zhou changzheng , zhou ZIQING
Published: February 2025

This paper aims to rigorously prove the analytic continuation of the fractal Zeta function and explore its applications in fields such as quantum gravity. By constructing an arithmetic representation of self-similar fractal manifolds, we define the fractal Zeta function and demonstrate the existence of its analytic continuation using Mellin transforms and the fractal Gamma function. Furthermore, we propose the fractal Riemann Hypothesis and validate its correctness through the example of the Sierpi´ nski gasket. Finally, we discuss the application of the fractal Zeta function in calculating thermodynamic entropy in quantum gravity and provide perspectives on future research directions.
Theoretical, Consistency, and Physical Applications of Fractal Field Theory
Authors: zhou changzheng , zhou ZIQING
Published: February 2025

This paper systematically outlines the construction of the theoretical framework for fractal quantum field theory, including key steps such as the reconstruction of fractal differential operators and the dimensional extension of the fractal AtiyahSinger index theorem. By proving the existence and uniqueness of solutions, the physical consistency of the theory is validated. Furthermore, the paper delves into the applications of this theory in quantum gravity and dark energy research. Experimental verification schemes are also proposed, aiming to illustrate the complete trajectory of fractal quantum field theory from theoretical foundations to practical applications, providing new perspectives and methods for research in theoretical physics.
Parasocial Cognition and Paranoia
Authors: Corlett Philip R. , Rossi-Goldthorpe Rosa , Suthaharan Praveen , Sheffield Julia , Castiello Santiago , heyes cecilia
Published: February 2025

It has been argued that social processes are relevant to belief formation and maintenance and thence to persecutory delusions – the fixed false beliefs that others intend harm. We call this the social turn in delusions research. It suggests that paranoia is the purview of a specialized mechanism for coalitional cognition – thinking about group membership and reputation management. Here we suggest instead that a simpler, parasocial, learning mechanism may underwrite persecutory and other delusions. We make our case in terms of computations (prediction, not coalition), algorithm (association rather than recursion), and implementation (dopaminergic domain-general rather than social-specific regions). We conclude with suggestions for adversarial collaboration that will clarify the contributions of domain-general versus social-specific processes to delusions.
ANALISIS TINGKAT KEBERHASILAN TANAMAN REHABILITASI DI IPPKH PT. INDOMINCO MANDIRI BLOK 3 PETAK 7 PADA KAWASAN TAMAN NASIONAL KUTAI TAHUN 2020 (Studi Kasus di Desa Sangatta Selatan, Kabupaten Kutai Timur)
Authors: Alfayed Mohammad Riqfal , Biantary Maya Preva , Bakrie Ismail
Published: February 2025

Kerusakan sumber daya hutan berakibat pada menurunnya kemampuan hutan dalam mendukung fungsi ekonomi, sosial dan ekologis. Tujuan penelitian ini adalah untuk mengetahui tingkat keberhasilan tanaman dan juga kondisi tanaman rehabilitasi yang dilaksanakan pada lokasi rehabilitasi daerah aliran sungai IPPKH PT. Indominco Mandiri di blok 3 petak 7 di Kawasan Taman Nasional Kutai. Lokasi yang akan menjadi objek penelitian merupakan areal rehabilitasi pengayaan yang terdapat pada blok 3 petak 7. Penelitian ini dilaksanakan selama  2 bulan Maret-April 2022, dengan menggunakan metode Systematic Sampling With Random Start yang dilakukan melalui teknik sampling. Berdasarkan hasil penelitian, jumlah tanaman yang terdapat pada 25 petak ukur adalah 2.427 tanaman dengan persentase tanaman sehat mencapai 89%, persentase tanaman merana 5%, persentase tanaman mati 6%, dan persentase tumbuh tanamannya 94% serta rata-rata tinggi tanaman mencapai 60,56 cm. Jenis tanaman yang diteliti merupakan jenis tanaman endemik atau tanaman lokal dan juga jenis tanaman MPTS (Multy Purpose Tree Species). Hasil penelitian terhadap pertumbuhan tanaman yang ditanam pada tahun 2020 pada blok 3 petak 7 dapat dikatakan berhasil dengan persentase tingkat tumbuh tanamannya mecapai 94%
PENGARUH PUPUK NPK MUTIARA DAN POC NASA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN BAWANG MERAH (Allium ascalonicum L.)
Authors: Purnomo Sidik , Sutejo Hery , Fatah Abdul
Published: February 2025

Bawang merah merupakan salah satu komoditas utama sayuran Indonesia yang mempunyai manfaat yaitu sebagai bumbu penyedap makanan, dan memiliki banyak vitamin serta bahan obat tradisional. Tujuan penelitian untuk mengetahui pengaruh pemberian pupuk NPK  Mutiara  dan  POC Nasa terhadap pertumbuhan dan hasil tanam bawang merah (Allium ascalonicum L.), dan untuk mengetahui konsentrasi pupuk NPK Mutiara dan konsentrasi POC Nasa yang tepat terhadap pertumbuhan dan hasil tanaman bawang merah (Allium ascalonicum L.). Penelitian dilaksanakan selama dua bulan, mulai bulan Agustus 2022 sampai dengan akhir bulan Oktober 2022. Lokasi penelitian tenggarong L2 kecamatan tenggarong seberang, Kalimantan timur. Penelitian menggunakan rancangan percobaan dengan analisis faktorial 4 x 3 dalam Rancangan Acak Lengkap (RAL), dengan 4 kali ulangan. Terdiri atas 2 faktor perlakuan. Faktor I, Dosis Pupuk NPK Mutiara (P) terdiri dari 4 taraf yaitu : tanpa pupuk NPK Mutiara atau kontrol (p0), dosis pupuk 5 g/polibag (p1), dosis pupuk 10 g/polibag (p2), dan dosis pupuk 15 g/polibag (p3). Faktor II, POC Nasa (B)) terdiri atas 3 taraf, yaitu : konsentrasi POC Nasa 5 ml/l.air (b1), konsentrasi POC Nasa 10 ml/l.air (b2), dan konsentrasi POC Nasa 15 ml/l.air (b3). Hasil penelitian menunjukkan bahwa perlakuan pupuk NPK Mutiara tidak berpengaruh nyata terhadap tinggi tanaman umur 34 hari dan umur 58 hari setelah tanam, jumlah umbi dan berat umbi per tanaman. Perlakuan POC Nasa tidak berpengaruh nyata terhadap tinggi tanaman umur 34 hari dan umur 58 hari setelah tanam, jumlah umbi dan berat umbi per tanaman. Interaksi perlakuan pupuk NPK Mutiara dan POC Nasa tidak berpengaruh nyata terhadap tinggi tanaman umur 34 hari dan umur 58 hari setelah tanam, jumlah umbi dan berat umbi per tanaman.
PRICING VARIANCE SWAPS FOR THE DISCRETE BN-S MODEL
Authors: Gabresilasie Semere
Published: February 2025

We introduce a discrete Barndorff-Nielsen and Shephard (BNS)
stochastic volatility model, where the non-Gaussian Ornstein-Uhlenbeck
process governs the instantaneous variance of an underlying asset. A closed-form
solution for pricing variance swaps in financial markets driven by a
BN-S type Levy process is derived. Additionally, we propose a discrete-time
framework for arbitrage-free pricing of variance swaps, supported by
simulations that provide numerical validation of our results. The model fitting
and parameter estimation processes are also discussed in detail.
Извлечение селена из промпродуктов и некондиционного сырья
Authors:   Institute of Metallurgy and Ore Benficiation JSC, Кенжалиев Б.К. , Володин В.Н. ,   Institute of Metallurgy and Ore Benficiation JSC, Требухов С.А. ,   Institute of Metallurgy and Ore Benficiation JSC, Оспанов Е.А. ,   Institute of Metallurgy and Ore Benficiation JSC, Шахалов А.А. ,   Kazakhmys Corporation LLP
Published: February 2025

В монографии обобщены существующие и разрабатываемые способы переработки промпродуктов и некондиционного селенсодержащего сырья, физико-химических исследований парожидкостного равновесия в двойных селенсодержащих системах с примесными элементами, регламентируемыми Государственным стандартом, преимущественно дистилляционные методы извлечения и рафинирования селена, конструктивное оформление разработанных технологий и результаты опытнопромышленных и промышленных испытаний, выполненных в АО «Институт металлургии и обогащения» Satbayev University. Книга рассчитана на научных, инженерно-технических работников, магистрантов и докторантов физических, химических и металлургических специальностей.

The monograph summarizes existing and developed methods for processing industrial products and substandard selenium-containing raw materials, physicochemical studies of vapor-liquid equilibrium in binary selenium-containing systems with impurity elements regulated by the State Standard, mainly distillation methods for extracting and refining selenium, the design of the developed technologies and the results of pilot and industrial tests carried out at JSC "Institute of Metallurgy and Ore Beneficiation," Satbayev University. The book is intended for scientific, engineering and technical workers, master's and doctoral students in physical, chemical and metallurgical specialties.

Монографияда өнеркәсіп өнімдерін және сапасыз селен бар шикізатты өңдеудің қолданыстағы және әзірленген әдістері, Мемлекеттік стандартпен реттелетін қоспа элементтері бар қос селен бар жүйелердегі бу-сұйықтық тепе-теңдігін физикалық-химиялық зерттеулер, негізінен экстракция және экстракцияның айдау әдістері жинақталған. Селенді тазарту, әзірленген технологияларды жобалау және Сәтбаев университеті, АҚ Металлургия және кен байыту институтыда жүргізілген тәжірибелік және өндірістік сынақтардың нәтижелері сипатталады. Кітап физика, химия және металлургия мамандықтары бойынша ғылыми, инженерлік-техникалық қызметкерлерге, магистранттар мен докторанттарға арналған.
Control óptimo conmutado de un convertidor CC-CC
Authors: Esteban Méndez Diego Alfonso , Sánchez Carvajalino Jaffraith , Alzáte Castaño Ricardo
Published: February 2025

In this work, switching-based control is applied on regulation of power conversion circuits. In particular, a DC-DC Bucktype power converter has been designed and simulated, both for nominal conditions and under disturbances. First of all, a classical OnOff controller was employed to compensate the effects of disturbances in the loop, in order to check the correctness of the operational conditions for the controlled system. Then, an optimal-switching bangbang controlled was designed and implemented, taking into account the Pontryagin’s Maximum principle, showing a good performance for disturbance rejection, improvement of dynamical features in the response and reduction of error’s energy by mean of verification of optimality criteria. Results show that despite the fact both techniques analyzed; i.e. On-Off and bang-bang, are switching-based laws, the performance index on the optimal controller allows to obtain a cleaner shape with less energy consumption. Ongoing work includes the experimental verification of the optimal technique in laboratory.
Simulación de un proceso de logística inversa: recolección y acopio de envases y empaques vacíos de plaguicidas
Authors: Silva Rodriguez Julian David , Contreras Castañeda Eduin Dionisio
Published: February 2025

this article presents a study carried out over the recollection and accumulation of the pesticides residues process in the irrigation unit known as Pantano de Vargas – Boyacá Colombia. This system can be incorporated in a process of reverse logistics due to the problem of bad management and treatment of those residues by cultivators. For the analysis of this situation, a simulation of the current process was proposed, and based on it, two possible stages- scenes of operations of human and physical resources in that process were created. Through the evaluation of alternatives for the improvement, a possible configuration that provided a higher decrease of total time of the process of recollection of residues was established. With the proposed scenery, it is possible to reach an improvement of 46% in the total time of process, experimenting with a model that includes an operator and an additional vehicle to the current process conditions.
Modelo para la medición del riesgo de insolvencia empresarial: PYME de Colombia, un caso de estudio
Authors: Cruz Trejos Eduardo Arturo , Espinosa Peña Jaime , Aristizábal Hernández Sergio
Published: February 2025

The paper shows a mathematical description of the operational and logistic regression technique based on lectures by authors who have profoundly worked its empirical application. The concept of credit risk is defined in a statistical context. A description of economic activities considered in the study. Then, construction was synthesized in 19 SPSS logistic regression model: definition of group training and selection of variables related to business solvency. Finally,results are presented in tables, with the coding of variables, statistical goodness of fit and predictive power to determine the probability that an SME company insolvent fall and create a risk to creditors. It was found that companies reported accumulated losses are eight times more likely to fall insolvent companies with positive retained earnings.
Navegación de un Robot Móvil por Estereovisión
Authors: Suárez Sánchez Andrés Felipe , Loaiza Correa Humberto
Published: February 2025

This paper presents the design and implementation of a low coststereovision system for being used in mobile robots, which can estimatethe distance at which objects are present in its field of vision. The locationis achieved by means of an abstraction of a stereoscopic vision sensor toa sensor ring type, which will reduce the stereo information to coplanardistance readings as if it was a sonar.The vision system was used for navigating a mobile robot in a structuredenvironment, using the techniques of reactive path planning and potentialfields. The stereovision system implemented showed an average errorof 5.34 cm in estimating distances, being tested as main sensor in thePioneer 3DX robot in different environments under both structured andnavigation strategies mentioned above.
Análisis de la Apertura de Centros de Distribución Internacionales con Base en Precios de Transferencia
Authors: Bonilla Navia Daniel , Tamayo Duque Christian Julián , Vidal Holguín Carlos Julio
Published: February 2025

Two mathematical models to analyze the impact of locating new global distribution centers for a company that originally exports its products directly to itscustomers are presented. The models consider transfer pricing and inventory costs, which causes the models to be nonlinear. The solution method includes the linearization of the product between the transfer prices and the product flow variables and the application of an iterative procedure to obtain consistentinventory costs. The results show that under most assumptions considered, it is profitable to open international distribution centers. Several sensitivity analyses, such as the impact of the variation of transfer price bounds, corporate income tax rate, and duties, are also presented.
Otra mirada a la burocracia. Relectura de la novela Un nuevo nombramientode Alexander Bek.
Authors:   Escuela Nacional de Antropología e Historia, Chávez Mancilla Ángel
Published: February 2025

La novela Un nuevo nombramientodel autor soviético Alexander Bek, escrita con el objetivo de criticar al régimen político soviético que se amoldó a los intereses, estilo de trabajo y concepción política de José Stalin, es sometida a un análisis puntual que toma por eje principal la actuación del personaje central que es presentado como modelo de burócrata estaliniano.Luego de destacar los aspectos negativos que se le atribuyen al funcionario soviético, éstos son contrastados con los rasgos positivos del mismo, para arribar a la conclusión de que el autor retrató con tanta riqueza el panorama político de la Unión Soviética bajo el gobierno de Stalin que la novela brinda información para matizar la imagen crítica que se ha consolidado en torno a estos personajes.
Redes sociales como espacio público: reflexiones a partir del concepto de acción de Arendt.
Authors:   Universidad de Guadalajara, Velázquez Murrieta Alfonso Gonzalo , Nava Preciado José María ,   Universidad de Guadalajara
Published: February 2025

esde su aparición, las redes sociales constituyen un espacio en el que se pueden intercambiar opiniones y establecer vínculos con personas de distintas partes del mundo. En estos medios, los usuarios muestran fotos y videos, pero también opiniones e ideas que son temas constantes en las redes. En este contexto, se plantea la pregunta de si realmente es trascendente lo que ocurre ahí, si el intercambio de información y opiniones puede tener un impacto político en las personas fuera de dicho ámbito. Para esclarecer el asunto se recurre al concepto de acción de Hannah Arendt. Se presentan los elementos que, según esta filósofa, son condiciones para que se lleve a cabo la acción. De esta manera, se analizan las limitaciones y las ventajas que tienen las redes sociales para que surja la acción.
Sejarah, Transformasi, dan Adaptasi Lembaga Pendidikan Islam di Indonesia
Authors: Enhas Muhammad Iqbal Ghifari , Zahara Alfan Nawaziru , Basri Basri
Published: February 2025

This article discusses the existence of Islamic education in Indonesia which was born from the treasures of civilization and the development of Islam in the archipelago. This research uses a descriptive qualitative approach based on library research. The results of analysis show that traditional Islamic educational institutions such as dayah in Aceh, surau in Minangkabau, langgar in Madura, and pesantren throughout the archipelago are an integral part of Islamic education in Indonesia. On the other hand, the influence of modern culture brought by the Dutch colonial government also had a significant impact on the dynamics of the development of Islamic educational institutions. The awareness of the Indonesian Muslim community on the importance of the development of modern education brings transformation and adaptation in Islamic educational institutions. The emergence of elite Islamic schools is part of the dynamic development of contemporary Islamic education in Indonesia. These elite Islamic schools reflect changes in the landscape of Islamic education, where Islamic education previously represented by traditional educational institutions such as surau, madrasah, and pesantren is experiencing modernization implications.
Development of Ethnoscience-based Science Booklet Integrated with Islamic Values in Science Learning in Junior High Schools
Authors: Syafira Annisa , Yuliastrin Adisti , Susilawati Susilawati , Vebrianto Rian
Published: February 2025

This research aims to create an ethnoscience-based science booklet media integrated with Islamic values to teach science to junior high school students. This research uses the ADDIE model development stage with a research instrument in the form of a questionnaire involving 4 expert validators, 20 prospective teachers, and students. The product to be developed is an ethnoscience-based science booklet media with earth and solar system material that can be used by junior high school (SMP). The validity test results in terms of language aspects amounted to 78.3%, material aspects to 84%, design aspects to 84%, and visual display aspects to 75%. All aspects of the validity test were classified as very valid. The reliability test obtained a result of 0.667, categorized as reliable, and the practicality test obtained a value of 87.71%, classified as very practical. The novelty of this research is that researchers combine cultural and scientific knowledge in the form of booklet science media and are also integrated with Islamic values. So, it can be concluded that the ethnoscience-based science booklet media integrated with Islamic values is valid, reliable, and practical so that junior high schools can use it.
Clinical characteristics and prognosis of ALL in children with CDKN2A/B gene deletion
Authors: Wang Yiyu , Wu Peijing , Mao Xiaoyan , Jiang Nanjing , Huang Yu , Zhang Li , Liu Li , Tian Xin
Published: February 2025

This study aimed to explore the correlation between the deletion of the CDKN2A/B gene and the prognosis of pediatric acute lymphoblastic leukemia (ALL) patients. A total of 310 pediatric patients who were diagnosed with acute lymphoblastic leukemia at our hospital from January 2020 to September 2023 were included in this study. Among them, 78 patients with CDKN2A/B deletion were included in the final analysis. Additionally, 78 ALL patients without CDKN2A/B deletion, who were diagnosed during the same period, were randomly selected for comparison. A statistical analysis was conducted to compare the clinical characteristics and prognosis between the CDKN2A/B deletion group and the non-deletion group in ALL patients. The results showed that pediatric ALL patients with CDKN2A/B deletion had higher white blood cell counts and a greater proportion of immature cells in peripheral blood at diagnosis. The age at diagnosis was older in the deletion group, with a greater proportion in the >10-year-old group. CDKN2A/B deletion occurred more frequently in pediatric patients with T-ALL than in pediatric patients with B-ALL. Patients with CDKN2A/B deletion were more likely to have positive BCR-ABL1 expression combined with IKZF1 deletion. The overall survival (OS) rate was 89.7%, and the event-free survival (EFS) rate was 83.3% in the CDKN2A/B deletion group, which was lower than the OS rate of 97.4% and EFS rate of 93.6% in the non-deletion group. These results suggest that CDKN2A/B deletion may be one of the factors affecting poor prognosis. It provides a new perspective for clinical treatment, risk stratification, and prognostic assessment in pediatric ALL patients.
The correlations of serum uric acid with lean mass, fat mass and grip strength in adolescents aged 12-19 years
Authors: Xu Feng , Shen Jianjun , Zhu Zhongxin
Published: February 2025

Background

Serum uric acid (sUA) has emerged as an intriguing modulator of body composition and physical function, yet its complex associations with musculoskeletal parameters during the critical period of adolescence remain incompletely characterized. To address this knowledge gap, we sought to elucidate the relationships between sUA and key indicators of body composition and musculoskeletal health in adolescents aged 12-19 years, specifically examining appendicular lean mass index (ALMI), appendicular fat mass index (AFMI), and combined grip strength.

Methods

In this cross-sectional study, we analyzed data from 2,003 adolescents participating in the National Health and Nutrition Examination Survey (NHANES) 2011-2014. We examined the relationships between sUA and ALMI, AFMI, and combined grip strength using multivariate linear regression models. Subgroup analyses were conducted to explore effect modifications by age, sex, and race/ethnicity.

Results

Higher sUA levels were positively associated with ALMI and grip strength, and inversely associated with AFMI after adjusting for potential confounders. These associations exhibited distinct patterns across age, sex, and race subgroups, with the most pronounced effects observed among boys aged 12-15 years and in non-Hispanic White and Black populations.

Conclusions

Our findings demonstrated significant associations between sUA levels and various parameters of musculoskeletal health and body composition, suggesting that sUA may serve as a potential biomarker for monitoring physical development and maturation during adolescence.
Association between olfactory dysfunction and gustatory dysfunction: evidence from the National Health and Nutrition Examination Survey
Authors: Yang Yi , Zhang Chao , Xiong Tao
Published: February 2025

Background

Olfactory dysfunction (OD) and gustatory dysfunction (GD) are common among adults, with prevalence increasing significantly in older age groups. Both dysfunctions have negative effects on appetite, nutrition, social functioning and even environmental safety. OD and GD frequently coexist, indicating a possible close association between these conditions. At present, there is a lack of large-sample epidemiological studies on the relationship between OD and GD. Our study aims to investigate the relationship between OD and GD using both measurement and questionnaire data from the 2013–2014 NHANES for US adults aged 40 years and older.

Methods

This cross-sectional study utilized data from the National Health and Nutrition Examination Survey (NHANES). OD and GD were both assessed by measurements and questionnaires. The association between OD and GD was investigated with logistic regression models by adjusting for demographic characteristics, systemic diseases, and diseases of the nose and pharynx. Adjusted odds ratios (aORs) and 95% confidence intervals (CIs) are presented.

Results

Participants with complete olfactory and gustatory measurements and questionnaires (n = 2,582) were included. Using whole-mouth measurements, anosmia OD significantly increased the odds of hypogeusia and ageusia GD after adjusting for confounding factors. Similarly, the questionnaire data revealed that OD significantly increased the odds of GD. However, hyposmia OD decreased the odds of hypogeusia GD using the tongue-tip taste measurement.

Conclusion

Our findings highlighted that OD was closely associated with GD in a nationally representative sample of US adults.
Comparative Genomics of Bryopsis hypnoides: Structural Conservation and Gene Transfer Between Chloroplast and Mitochondrial Genomes
Authors: Liu Ziwen , Fan Xiao , Wu Yukun , Zhang Wei , Zhang Xiaowen , Xu Dong , Wang Yitao , Sun Ke , Wang Wei , Ye Naihao
Published: February 2025

Bryopsis hypnoides, a unicellular multinucleate green alga in the genus Bryopsis, plays vital ecological roles and represents a key evolutionary link between unicellular and multicellular algae. However, its weak genetic baseline data have constrained the progress of evolutionary research. In this study, we successfully assembled and annotated the complete circular chloroplast and mitochondrial genomes of B. hypnoides. The chloroplast genome has a total length of 139,745 bp and contains 59 protein-coding genes, 2 rRNA genes, and 11 tRNA genes, with 31 genes associated with photosynthesis. The mitochondrial genome has a total length of 408,555 bp and contains 41 protein-coding genes, 3 rRNA genes, and 18 tRNA genes, with 18 genes involved in oxidative phosphorylation. Based on the data, we conducted a genetic comparison involving repeat sequences, phylogenetic relationships, codon usage preferences, and gene transfer between the two organellar genomes. The major results highlighted that (1) the chloroplast genome favors A/T repeats, whereas the mitochondrial genome prefers C/G repeats; (2) codon usage preference analysis indicated that both organellar genomes prefer codons ending in A/T, with a stronger bias observed in the chloroplast genome; and (3) sixteen fragments with high sequence identity were identified between the two organellar genomes, indicating potential gene transfer. These findings provide critical insights into the organellar genome characteristics and evolution of B. hypnoides.
Lightweight Secure Communication Supporting Batch Authentication for UAV Swarm
Authors: Han Pengbin , Sui Aina , Wu Jiang
Published: February 2025

In recent years, with the widespread application of UAV swarm, the security problems faced have been gradually discovered, such as the lack of reliable identity authentication, which makes UAVs vulnerable to invasion. To solve these security problems, a lightweight secure communication scheme supporting batch authentication for UAV swarm is proposed. Firstly, a layered secure communication model for UAV swarm is designed. Then, a secure transmission protocol is implemented by using elliptic curves under this model, which not only reduces the number of encryptions but also ensures the randomness and one-time use of the session key. Moreover, a UAV identity authentication scheme supporting batch signature verification is proposed, which improves the efficiency of identity authentication. The experiments show that, when the number of UAVs is 60, the computation cost of the proposed scheme is 0.071 s, and the communication cost is 0.203 s, fully demonstrating the efficiency and practicability of the scheme. Through comprehensive security analysis, the capability of the proposed scheme to resist various attacks is demonstrated.
Animais - atributos das divindades da medicina
Authors: Mbid Hamoudi Diouf Pierre
Published: February 2025

Desde sempre, a certos animais são atribuídos significados simbólicos universais e com frequência uma mesma exegese em todas as civilizações: este é o caso de dois animais sagrados que foram objetos de culto para os gregos e que ainda hoje possuem uma aura misteriosa, o cão e a serpente. No culto de Asclépio (deus grego da medicina), podemos notar facilmente uma conexão entre os dois animais e o deus Asclépio, uma cumplicidade que logrou manter viva na religião grega a crença em seus poderes curativos misteriosos.
Agência, mulheres e pantomima
Authors: Barbosa Renata Cerqueira
Published: February 2025

Ao analisar as sociedades antigas, muitas vezes nos faltam elementos que possam compor um arcabouço teórico-metodológco capaz de orientar o pesquisador dos estudos clássicos, principalmente, no que diz respeito à História das Mulheres no mundo antigo. Neste sentido, propõem-se no presente artigo, um diálogo com as categorias de gênero e agencia desenvolvidas pelos estudos sociológicos, com o fim de pensar a respeito das relações, tanto políticas, quanto socioculturais, em variados momentos históricos. Partindo desta base teórica, o objetivo é examinar as possíveis razões econômicas que levaram uma matrona romana de idade avançada, Ummidia Quadratilla, a patrocinar grupos de pantomimas.
O acervo das peças egípcias do Museu de Arqueologia e Etnologia da USP e as habilidades socioemocionais no ensino fundamental
Authors: Funari Raquel dos Santos
Published: February 2025

O artigo inicia-se por discutir aspectos teóricos, em particular como o estudo do passado trata da semelhança e da diferença. Em seguida, volta-se para a educação no ensino fundamental em relação com o passado e a história do Egito antigo. A partir dessas premissas, o artigo trata do potencial do acervo egípcio do Museu de Arqueologia e Etnologia (MAE-USP) para o ensino formal, no âmbito da Arqueologia. O artigo continua por discutir estratégias na sala de aula, a partir da leitura de textos, produção de nuvens de palavras-chave e produção de materiais a partir das imagens do acervo do Museu de Arqueologia e Etnologia (MAE-USP). Os objetivos incluem o potencial educacional do acervo egípcio, por meio de uma perspectiva da Arqueologia Pública, aplicada em estudos de caso em escolas específicas em diferentes lugares.
As Virtudes do método pedagógico tripartite no ensino da Filosofia grega antiga
Authors: Dia Mayoro
Published: February 2025

A filosofia grega antiga, sendo uma disciplina muito importante e complexa, necessita de um método pedagógico com um esquema tripartido. O objetivo deste artigo é estudar o significado e a importância deste método, que torna esta disciplina mais facilmente acessível, dividindo-a em partes e subdividindo as partes em sub-partes. As partes e subpartes são classificadas e hierarquizadas numa ordem coerente e precisa, tornando-as muito fáceis de ensinar e aprender.