bluuebunny/crossref_metadata_2025_split huggingface dataset:
Penambahan Perbedaan Waktu Dan Konsentrasi Ragi Roti Terhadap Kualitas Virgin Coconut Oil (VCO)
Authors: Jannah Mutiatul , Ita Emilia  , Panca Putri Yunita 
Published: February 2025

Research has been conducted entitled Addition of Differences in Time and Concentration of Baker's Yeast to the Quality of Virgin Coconut Oil (VCO). This research aims to analyze the addition of differences in time and concentration of baker's yeast on the quality of Virgin Coconut Oil. VCO quality testing was carried out at the Biology Laboratory, Faculty of Science and Technology, PGRI University, Palembang. The method used is the experimental method. The research results showed that the highest amount of VCO and yield were 71 ml and 35.5% respectively in the treatment with the addition of a 1% concentration of baker's yeast with a fermentation time of 24 hours. The lowest amount of VCO and yield was 10 ml and 5% in the treatment with the addition of a 3% concentration of baker's yeast for a fermentation time of 36 hours. Organoleptic tests on color, smell and taste, namely at 12 hours and 24 hours of fermentation, the VCO color is clear, the aroma is typical of coconut fruit, and the taste is savory. However, as the time and concentration of baker's yeast increases (36 hours and 48 hours), the aroma produced by VCO smells less favorable (rancid) and the color becomes cloudy.
Membangun Brand Loyalty: Analisis Peran Brand Equity Dan Brand Trust Pada Dua Merek Mie Cup Terpopuler Di Solo Raya
Authors: Nisa Pramesti 'Ainun , Nasir Moechammad 
Published: February 2025

Penelitian ini mengusulkan model yang mengeksplorasi pengaruh elemen brand equity, yaitu brand awareness, brand association, perceived quality terhadap brand loyalty, dengan brand trust sebagai variabel intervening, pada dua merek mie cup terpopuler di Solo Raya, yaitu Mie Sedaap Cup dan Pop Mie. Penelitian ini dilakukan untuk mengtahui perbedaan dampak elemen brand equity terhadap brand trust dan brand loyalty pada masing-masing merek. Penelitian ini menggunakan metode explanatory research dengan pendekatan purposive sampling. Penelitian ini melibatkan 223 responden yang memenuhi kriteria. Data diolah menggunakan SmartPLS versi 3.0. Hasil penelitian menunjukkan bahwa perceived quality memiliki pengaruh signifikan terhadap brand trust dan brand loyalty pada kedua merek. Namun, brand awareness hanya pengaruh signifikan terhadap brand trust dan brand loyalty pada Mie Sedaap Cup. Sementara itu, brand association hanya pengaruh signifikan terhadap brand trust dan brand loyalty pada Pop Mie. Brand trust mampu memediasi hubungan antara perceived quality dengan brand loyalty pada kedua merek, tetapi brand trust tidak mampu memediasi pengaruh brand association terhadap brand loyalty pada Mie Sedaap Cup dan brand trust tidak mampu memediasi pengaruh brand awareness terhadap brand loyalty pada Pop Mie.
GENERAL CONDITION FOR ACCEPTABLE OPERATION OF A MARKOV SYSTEM WITH MULTIPLE MODES
Authors: Nagolkina Zoya , Filonov Yuri 
Published: February 2025

In this paper we consider a stochastic model of systems (phase dynamics . -irreducible homogeneous Markov chain) that accumulate a resource (earn money in economic interpretation) and use it for functioning, reservation, etc. The essentially ubiquitous inhomogeneity of the phase space. In the phase space (general type) of such a system, a non-negative function X, a function Z with values 1,2, ..., d are given. The values >0 indicate the resource level of the system at time n, the values indicate the mode determined in the economic interpretation, for example, the number of service points, devices, service lines, the number of offices, workers, etc. .d., as well as the type of operation - repair, preventive maintenance, downtime. Let be the average increments X for a unit period for an arbitrary set of states where где ; ) is the probability of transition from state to mode j, P ( ) is the corresponding stochastic matrixand is the stationary probability distribution for it. The paper gives a mathematical proof , announced earlier by the authors: The existence of a monotone ,integrable on the interval [0,∞) function ψ(x)≥0 for which ( for large X ( )) is sufficient fact (if some practically general conditions ) for tending to 1 almost surely the relative fraction of those n up to the moment N ( N → ∞) for which > C (C - arbitrary). From the point of view of economic interpretation, the system is acceptable in the sense that it ensures the movement over time to 100% of the time of financial wealth and the growth of the level of wealth itself, despite the possibility of wealth falling to a minimum level (with 0-recurrence of the Markov chain, for sure an unlimited number of times).
FEATURES OF THE ORGANIZATION OF THE EDUCATIONAL PROCESS FOR ACQUISITIONERS OF ENGINEERING AND TECHNICAL SPECIALTIES IN THE DISTANCE FORM OF EDUCATION BY EXAMPLE RESOURCE COURSE "COMPUTER GRAPHICS"
Authors: Nazarko Olga , Ragulin Vitaliy , Yaryzhko Oleksandr , Hrytsyna Natalia 
Published: February 2025

tional process for applicants of engineering and technical specialties in the distance form of education. The main problems that arise in the system of the teacher-apprentice during training are highlighted. The most common situations that cause students the greatest concern and contribute to a decrease in the effectiveness of learning material during the educational process in a distance format, covered by the martial law regime in our country, have been considered and analyzed. This situation, in which all the participants of the educational process found themselves, certainly has an impact on the mental and emotional state and the quality and readiness of learning the relevant competencies according to the direction of the educational program corresponding to the specialty of the applicant.
In turn, scientific and pedagogical workers, who found themselves in the same difficult life and professional conditions due to the military aggression of the Russian Federation, were able to discover and successfully apply their best organizational, human and pedagogical abilities for the sake of maintaining the quality and further development of the educational process in Ukraine.
Thus, on the basis of the MOODLE distance learning platform, Kharkiv National Automobile and Road University developed and implemented a distance course in the discipline "Draft geometry, engineering and computer graphics" for students of the following majors: 121 "Software engineering", 122 "Computer sciences and information technologies", 131 "Applied mechanics", 132 "Materials science", 133 "Industrial mechanical engineering", 151 "Automation and computer-integrated technologies", 152 "Metrology and information- measuring technology", 274 "Motor vehicle transport". When developing distance courses-resources, teachers focused their efforts on adapting and modernizing the collective, individual and independent work of applicants in order to ensure the greatest efficiency in the assimilation of relevant program learning outcomes.
GEOMETRIC APPROACH TO STABILITY ANALYSIS OF DYNAMIC SYSTEMS WITH TIME DELAY
Authors: Bondarenko Nataliya , Sokolova Ludmyla , Otrashevska Valentyna 
Published: February 2025

In the paper we consider the linear systems of differential equations with a time delay, which are mathematical models of dynamic systems arising in various fields of mechanics. Delays can occur in systems with variable stiffness or deformation, in systems with complex dynamic interactions, for example, in hydrodynamics or in moving mechanisms. The presence of time delays in dynamic systems is responsible for the rather complex solution behavior and affects the stability of such systems. A geometric approach to studying the stability of linear systems of differential equations with two delay parameters, which is called the -decomposition method of Lee and Hsu, is considered. This method allows studying the influence of time delay deviations on the stability of dynamic systems with a delay. The idea of this method is to construct a stability curve in the space of delay parameters, which divides the parameter space into regions of stability. A non-trivial case is when the characteristic quasipolynomial of a linear system with a delay has a complex root on the imaginary axis of multiplicity two. The roots of the characteristic quasi-polynomial, as an implicit function of two variable parameters and are not differentiable at a point . In this case, the stability curve has a cuspt at the point corresponding to the complex root on the imaginary axis of multiple of two and divides the parameter space into the G-sector and the S-sector. It is known that there is a mutually unequivocal correspondence between the neighborhood of the point of cusp in the space of parameters and the neighborhood of the complex root of the multiplicity of two of the characteristic quasipolynomial lying on the imaginary axis. This makes it possible to study the behavior of the movement of complex roots on the complex plane when delay parameters are deviated, and therefore to analyze the change in stability of the system with a delay.
A geometric approach to the study of the displacement of complex roots on the complex plane of the characteristic quasi-polynomial of the system with a delay when the parameters of the delay are deviated is applied to a system of two differential equations with two time delays. The characteristic quasipolynomial of the considered system has a complex root on the imaginary axis of multiplicity two at certain parameter values. The local stability curve of such a system is constructed, the S-sector and G-sector in the parameter space are determined. It is shown that when the values of the delay parameters are moved to the S-sector, the roots around the point are moved to the left half-plane of the complex plane. Thus, it is established at what deviations of the delay parameters from the point corresponding to the root, the given system will be stable.
OPTIMAL DESIGN OF FORCED FREQUENCY OF OSCILATIONS OF A SHELL OF MINIMAL SURFACE WITH RECTANGULAR PLAN CONSISTING OF TWO STRAIGHT LINES AND TWO SEMI-CIRCLES UNDER THERMAL LOADING
Authors: Ivanchenko Grigory , Kosheviy Oleksandr , Paliy Oxana , Kosheva Inna 
Published: February 2025

Optimal design of a structure is currently one of the most relevant sections in structural and applied mechanics. The theory of mathematical programming and the emergence of computers had a great influence on the optimal design of structures in the late 40s. This greatly expanded the range of structures and physical models that became available for optimal design.
The use of analytical optimization methods leads to success only when considering the simplest structures. Therefore, numerical methods for finding optimal parameters, which are PC-oriented, have become widespread in optimal design.
Designing is the most critical stage of creating a structure, during which technical characteristics are determined and the feasibility of the goal is checked. An integrated approach is required to take into account all requirements, and this is the main difficulty of optimal design. The process of creating an optimal structure is highly dependent on the optimization method, which plays a key role in the design of structures for various purposes.
This scientific article considers an integrated approach to the optimal design of the forced frequencies of a shell of a minimal surface with a square plan consisting of two straight lines and two semicircles under thermal and power loading. The numerical study of the optimization calculation was carried out as follows: the objective function is the weight of the minimum surface shell, the design variables are the thickness of the minimum surface shell from 1 mm to 100 mm, and the constraint is represented as the first forced vibration frequency of 0.2 Hz.
Based on the results of the numerical study, the weight of the minimum surface shell decreased by 11.2%, the first forced vibration frequency is 0.2 Hz, which meets the specified constraint. We can draw a general conclusion that the author's methodology and the use of his own software make it possible to perform an effective optimization calculation for shells of minimal surfaces, and the use of two types of optimization types on one research object is an important applied problem for civil and applied mechanics
Exploration of PE curriculum reform in higher vocational colleges based on OBE concept
Authors: HUANG Haigui 
Published: February 2025

With the development of society and the continuous progress of vocational education, the concept of outcome based education (OBE) has gradually attracted wide attention. In higher vocational education, physical education curriculum, as an important part of cultivating students' comprehensive quality, also needs to be constantly reformed and innovated. The purpose of this paper is to explore the reform of higher vocational PE curriculum based on OBE concept to improve students' sports literacy and professional ability, and lay a solid foundation for students' future development.
Efectividad de un programa de ejercicios de movilidad de cadera vs. un programa de ejercicios de estabilidad lumbar en pacientes con lumbalgia. Un ensayo clínico aleatorizado
Authors: Morones Alba Mónica , Fernández Oñate Fernanda Margarita , González Rodríguez María de Jesús , Ramírez Carreón Yesenia , Plascencia Silva Gilberto Enrique , Esparza Ramos Susana Berenice , Garcia Luque Carla Patricia 
Published: February 2025

Introducción: Los ejercicios de movilidad de cadera y estabilidad lumbar son estrategias terapéuticas útiles para el manejo de la lumbalgia, pero no se han realizado estudios comparativos para determinar cuál es más efectivo. Objetivo: Comparar la efectividad de dos programas de ejercicios: movilidad de cadera (MC) y estabilidad lumbar (EL) en pacientes con lumbalgia. Material y Métodos: Ensayo clínico aleatorizado y ciego simple en pacientes de 20 a 60 años con lumbalgia sin signos de compresión nerviosa. Los participantes fueron asignados a uno de dos grupos (MC o EL) y realizaron sesiones de 30 minutos dos veces por semana durante cuatro semanas. Se evaluaron intensidad del dolor, grados de rotación de cadera, inestabilidad lumbar y nivel de discapacidad. Se emplearon pruebas de Mann-Whitney y Chi-cuadrada para comparaciones intergrupo, y Wilcoxon y McNemar para análisis intragrupo. Nivel de significancia p<0.05. Resultados: Ambos grupos mostraron mejorías significativas en todas las variables (p<0.05). Sin embargo, las comparaciones intergrupo no revelaron diferencias estadísticamente significativas en intensidad del dolor (p=0.605), inestabilidad lumbar (p=0.799), ni nivel de discapacidad (p=0.916), indicando efectividad similar entre los programas. Conclusiones: Los programas de movilidad de cadera y estabilidad lumbar son igualmente efectivos para reducir el dolor, mejorar la estabilidad y disminuir la discapacidad en pacientes con lumbalgia.

Recepción: 28/11/2022
Aprobación: 13/01/2025
The Pen is the Sword: The Language of Battle in Veronica Franco’s Terze Rime
Authors: Ugolini Paola 
Published: February 2025

This article analyzes Veronica Franco’s use of the language of battle and swordsmanship in her Terze Rime, paying particular attention to the poems she wrote in response to a literary attack from an anonymous male writer (usually identified as Maffio Venier). In these texts, Franco describes the act of writing as a sword fight and represents herself as a skilled fencer. I consider Franco’s language of battle and her self-identification as a fighter in relation to the figure of the woman warrior popularized by Renaissance chivalric epics. Moreover, I explore the connections among Franco, her Terze Rime, and the Venetian cult of female figures—most significantly Saint Justina and the Virgin Mary—often represented as defenders of Venetian freedom. More broadly, this article investigates how Franco’s image of the pen as a weapon relates both to contemporary reflections on the position of women in society, as well as on the role and function of the writer in Renaissance Italy.
Identifikasi Miskonsepsi Materi Kinetika Kimia Pada Mahasiswa Tahun Kedua Pendidikan Kimia Teachers College
Authors: Purba Friska Juliana , Sihombing Chatrina Yohana , Inabuy Marchella 
Published: February 2025

Hasil belajar mahasiswa pada mata kuliah kimia dasar 1 terlihat dalam kategori rendah. Berdasarkan pengamatan masih banyak ditemukan kecenderungan mahasiswa untuk menghafal rumus-rumus tanpa memahami konsep kimia yang terlibat dalam topik-topik bahasan kimia. Hal ini mengarah kepada suatu kesalahan konsep (miskonsepsi). Melalui penelitian ini, tim peneliti berupaya mengidentifikasi miskonsepsi-miskonsepsi yang umumnya terjadi pada materi Kinetika Kimia untuk menghindari kesalahan yang berlarut-larut yang mungkin saja dapat mengganggu profesionalisme para calon guru dan berupaya membantu para mahasiswa serta dosen pengampu untuk melihat dan akhirnya mengupayakan suatu strategi maupun metode yang lebih tepat dalam perkuliahan kimia. Pendekatan yang digunakan dalam penelitian ini adalah pendekatan kualitatif sedangkan jenis penelitiannya adalah deskriptif. Subjek dalam penelitian yaitu mahasiswa jurusan kimia tahun kedua Teachers college. Instrumen yang digunakan yaitu tes diagnostik dengan tipe four-tier diagnostic test dan wawancara terhadap mahasiswa untuk mendapatkan informasi lebih lanjut. Hasil analisis yang diperoleh yaitu sebesar 52.17% mahasiswa mengalami miskonsepsi pada materi persamaan laju reaksi, 30.43% pada materi orde reaksi, 13.04% pada materi energi aktifasi, 17.39% pada konstanta laju reaksi. Setelah melakukan wawancara terhadap mahasiswa, penyebab miskonsepsi karena ketidaksiapan dan ketidaktelitian menerapkan konsep yang diterima selama pembelajaran, dan kurang melatih diri dalam mengerjakan soal-soal yang ada.

Kata kunci: Miskonsepsi, Kinetika Kimia, Calon Guru.
La Opinión Consultiva No. 24/17 como mecanismo para viabilizar la adopción homoparental en Ecuador
Authors: Masabanda-Paucar Nathaly , Villacrés-López Javier 
Published: February 2025

El presente trabajo se desarrolla en atención a la interrogante ¿Cómo la Opinión Consultiva No 24/17 de la Corte Interamericana de Derechos Humanos puede servir como un mecanismo para viabilizar la adopción homoparental en Ecuador, considerando el contexto social, cultural y jurídico del país? para lo cual es necesario analizar la adopción homoparental en Ecuador, a partir del análisis de la situación actual en torno a la posición cultural, jurídica, tradicional y social que existe en la sociedad ecuatoriana frente al ya reconocido matrimonio igualitario y todo lo que esa figura representa, y requiere del respectivo contingente normativo y estructural por parte del Estado para finalmente considerar la factibilidad y procedencia de la adopción homoparental en Ecuador teniendo como referencia a la Opinión Consultiva 24/17. En el trabajo se abordan como puntos principales de análisis: 1- Contexto social, cultural y jurídico de la adopción en Ecuador; 2- Naturaleza de la opinión consultiva OC-24/17; 3- El Matrimonio homoparental en Ecuador como punto de partida hacia la igualdad; 4- La adopción homoparental bajo la óptica del derecho comparado; 5- Desafíos y retos de la adopción homoparental en el Ecuador. De tal manera que se concluye en la posibilidad y evidente necesidad consecuente de la aplicación e institución de la adopción homoparental en Ecuador, tomando los argumentos de la Opinión Consultiva 24/17 y generando la hoja de ruta lógica de atención.
El abuso de fármacos psicotrópicos, estupefacientes y anestésicos intravenosos en el servicio de anestesiología
Authors: Jarrín-Jaramillo Marcela , Molleturo-Jiménez Julio , Peña-Cordero Susana 
Published: February 2025

El personal del servicio de anestesiología es susceptible al abuso de estupefacientes, psicotrópicos y anestésicos intravenosos, en parte, se debe al fácil acceso a estos medicamentos. Como personal de salud es su deber procurar el bienestar del paciente, en casos de abuso, el profesional pone en riesgo al paciente y así mismo. OBJETIVO: Analizar los aspectos medico jurídicos en el abuso de psicotrópicos y anestésicos intravenosos por el personal del servicio de anestesiología METODOLOGIA: Se realizó una revisión sistemática de la literatura médica en bases de datos especializadas, seleccionando 28 artículos de mayor relevancia. RESULTADOS Se encontraron dos casos relacionados con la responsabilidad penal del personal del servicio de Anestesiología, un caso donde se evidencian las consecuencias en la salud mental. CONCLUSION: El abuso de sustancias en el personal de anestesiología puede traer consecuencias legales graves. Recomendamos la revisión de clasificación del propofol, al tratarse de un medicamento de potencial abuso.
Uji Koefesien Absorbsi Suara Serat Resam Dengan Matrik Polyester Sebagai Bahan Alternatif Peredam Suara
Authors: Napitupulu Robert , Zakaria Zakaria , Pranandita Nanda 
Published: February 2025

Peredam suara merupakan alat untuk mengurangi intensitas suara yang terjadi. Banyak yang mengembangkan material komposit berpenguat serat alam sebagai bahan alternatif pengganti bahan peredam suara, karena dinilai lebih ramah lingkungan dari serat sintetis dan harganya relatif lebih murah. Tanaman resam banyak ditemukan di daerah Bangka Belitung sehingga ketersediaannya cukup melimpah. Tujuan dalam penelitian ini adalah untuk menguji koefesien absorbsi suara serat resam dengan matrik polyester sebagai bahan alternatif peredam suara. Pembuatan spesimen menggunakan metode hand lay-up dan perancangan penelitian menggunakan metode full faktorial. Variabel proses yang digunakan adalah fraksi volume 5%:95%, 10%:90%, 15%:85% dan lama perendaman NaOH 60, 90, 120 menit serta frekuensi pengujian 500 Hz dan 1000Hz. Berdasarkan hasil pengujian didapatkan nilai koefisien absorbsi suara tertinggi pada variasi fraksi volume 15% : 85% dan lama perendaman larutan NaOH selama 90 menit pada frekuensi 500 Hz sebesar 0,375. Sedangkan nilai koefisien absorbsi suara terendah pada variasi fraksi volume 5% : 95% dan lama perendaman larutan NaOH selama 90 menit pada frekuensi 1000 Hz sebesar 0,16. Berdasarkan ISO 11654, hasil yang didapatkan dari penelitian ini, komposit filler serat resam dapat digunakan sebagai bahan alternatif peredam suara karena sudah melebihi nilai minimal sebesar 0,15.
Perancangan Mesin Pencacah Biji Jagung Dengan Mata Pisau Sebagai Pemecah
Authors: Nasirwan Nasirwan , Fadhlurrahman Zaki , Wahyu Widodo Tri , Rosa Yazmendra , Yetri Yuli 
Published: February 2025

Telah selesai dirancang mesin pencacah biji jagung dengan mata pisau sebagai pemecah. Mesin yang dirancang ini akan digunakan untuk mengolah hasil pertanian. Proses perancangan mesin ini dawali dengan tahapan yaitu pengolahan data, menggambar sketsa, perhitungan, dan menggambar dengan solidwork. Direncanakan tenaga penggerak mesin pencacah biji jagung menggunakan motor listrik dengan daya 4 HP dan putaran 2800 Rpm dengan spesifikasi ukuran panjang 890 mm, lebar 420 mm, tinggi 757 mm. Kapasitas mesin pencacah biji jagung adalah 213 kg/jam menggunakan poros berbahan baja ST-37 dan sistem transmisi secara langsung serta bearing yang digunakan berukuran 1 inch. Cara kerja dari mesin pencacah ini adalah memanfaatkan putaran dari motor listrik agar dapat memutar mata pisau sebagai pemecahnya dan mengandalkan kecepatan potong mesin 2800 rpm yang membuat proses pengerjaan menjadi cepat. Hasil pecahan jagung tersebut ke luar dari lubang output yang telah disediakan kemudian masuk ke dalam wadah yang disediakan. Spesifikasi dari hasil rancangan diperoleh sesuai dengan perencanaan semula.