bluuebunny/crossref_metadata_2025 huggingface dataset:
Проблеми оцінки та обліку соціального капіталу в умовах цифровізації
Authors: Легенчук Сергій Федорович , Захаров Дмитро Миколайович , Назаренко Тетяна Петрівна
Published: February 2025

У статті здійснено комплексний аналіз проблем вимірювання та обліку соціального капіталу в умовах цифровізації. Соціальний капітал, що включає соціальні мережі, довіру, соціальні норми, відіграє ключову роль у створенні доданої вартості та забезпеченні сталого розвитку бізнесу й суспільства. З огляду на нематеріальну природу соціального капіталу, його оцінка та відображення в бухгалтерському обліку є складним завданням, особливо в умовах швидкої трансформації, спричиненої цифровими технологіями. У статті розглянуто вплив цифровізації на соціальний капітал, зокрема позитивні аспекти, такі як підвищення доступності соціальних мереж і нові можливості для колективних дій, а також ризики, пов’язані зі створенням слабких зв’язків та інформаційною поляризацією. Досліджено рекомендації Ради з міжнародної інтегрованої звітності (IIRC) та рекомендації A4S щодо врахування соціального капіталу як невід’ємного компонента вимірювання ефективності діяльності підприємств. Запропонований триступеневий підхід до оцінювання соціального капіталу охоплює корпоративний, проєктний та продуктовий рівні, що забезпечує комплексний підхід до оцінки його впливу на ланцюг створення вартості. Також детально розглянуто вплив цифрових платформ на процес формування довіри, підходи до оцінки залученості спільнот та можливості для підтримки широких соціальних мереж.
У статті підкреслюється, що інтеграція соціального капіталу в організаційні процеси сприяє глибшому розумінню джерел створення доданої вартості, покращує репутацію підприємств, зміцнює відносини із заінтересованими сторонами та відкриває нові ринкові можливості. Разом із перевагами цифровізації соціальний капітал також піддається новим викликам, зокрема потребі врахування якісних і кількісних показників для відображення його значення у звітності. Дослідження наголошує на важливості розробки адаптивних методів оцінки соціального капіталу, що враховують специфіку цифрового середовища та мінливий характер соціальних взаємодій.
Сталі публічні закупівлі у державних закладах вищої освіти: основні принципи та необхідність їх впровадження
Authors: Пилипчук Олексій Андрійович
Published: February 2025

Сьогодні, в умовах, коли все людство повинно протистояти глобальним екологічним викликам, що виникають перед суспільством, необхідно впроваджувати нові технології у всіх сферах діяльності, що будуть сприяти забезпеченню збереження екології планети. Перш за все, варто розпочинати такі нововведення зі сфери, де держава впливає безпосередньо, задля можливості контролювати всі ці процеси. Своєю чергою однією з тих галузей, де такі зміни можуть суттєво вплинути на навколишнє середовище, є система публічних закупівель. Це пов’язано з тим, що саме завдяки системі публічних закупівель здійснюється планування необхідних потреб держави (та державних / комунальних підприємств), а також пошук шляхів забезпечення таких потреб. Фактично все забезпечення держави необхідними ресурсами здійснюється через систему публічних закупівель, тому зміна підходу до вибору критеріїв предметів закупівлі дозволить зменшити шкідливий вплив на навколишнє середовище. Саме задля зменшення негативних впливів на екологічну систему і виникли сталі публічні закупівлі (СПЗ). Їх ще називають зеленими закупівлями, і однією з їх цілей є зменшення шкідливого впливу на навколишнє середовище. Особливо важливою під час розвитку системи сталих публічних закупівель в Україні буде роль державних закладів вищої освіти (ДЗВО), які не лише формують нове покоління фахівців, але й значно впливають на економіку та екологію країни. Інтеграція СПЗ у діяльність вищих навчальних закладів може забезпечити не лише економічну ефективність, покращити екологічну ситуацію, але й підвищити обізнаність студентів і викладачів щодо сталого розвитку. Своєю чергою це дозволить готувати більш досвідчених фахівців у цій галузі, які в майбутньому зможуть ще більш покращити систему СПЗ. Проте задля впровадження системи сталих публічних закупівель у державних вищих навчальних закладах необхідно чітко розуміти сутність таких закупівель. Також необхідно розуміти, з якими труднощами можна стикнутися під час їх запровадження, та шляхи їх подолання. У цій статті будуть розглядатися сталі публічні закупівлі, їх основні принципи, необхідність їх впровадження у державних закладах вищої освіти, переваги, а також потенційні виклики, які можуть виникнути під час їх впровадження та можливі шляхи їх подолання.
Information technologies as a tool for ensuring national security at the current stage of development: problems and prospects
Authors: Sumin Pavlo
Published: February 2025

Information technologies (IT) are becoming one of the key tools for ensuring national security in the conditions of rapid development of the digital environment. Modern challenges, such as cyber-attacks, disinformation campaigns, interference in the internal affairs of states and other forms of hybrid threats, increase the urgency of using IT to protect state interests and security. One of the main problems in this area is cyber security. The number of cyberattacks targeting critical infrastructure, government structures, and the private sector is increasing every year. This necessitates the constant improvement of means of protection of information systems. In this context, it is important to develop effective mechanisms for the protection of state information resources, as well as to create a reliable cyber defense system. At the same time, many countries face the problem of insufficient qualifications of specialists in this field, which leads to vulnerability to new types of cyber attacks. Another important aspect is the issue of protecting the information space from propaganda and disinformation. Information technology has become a means of influencing mass consciousness and public opinion, which various political forces use to weaken state structures or change political course. In order to combat such threats, it is necessary to implement mechanisms for monitoring and analyzing information flows, which allow for quick detection of fake news and propaganda campaigns. In addition, it is important to develop effective means of countering information threats that do not violate fundamental human rights, such as freedom of speech. Prospects for the development of information technologies in the field of national security consist in the further improvement of cyber defense, the expansion of the information space monitoring system, and the development of technologies for defense needs. However, these advances require significant investment in research and education to train skilled professionals and create a robust infrastructure to ensure security. Only a comprehensive approach to solving problems related to the introduction of IT into national security will allow states to effectively confront modern threats and protect their strategic interests.
Political conflicts as prerequisites for the emergence of military conflicts
Authors: Dykyi Anatolii , Dyka Olena , Naumchuk Kateryna , Savitskyi Vladyslav , Kozak Serhiy
Published: February 2025

In today’s world, political conflicts are a fairly common phenomenon, for this reason, society increasingly has to face the challenges that arise as a result of global transformations. Challenges of this kind can arise for various reasons and have completely different consequences, however, it is economic, political, environmental and other instabilities, and especially conflicts and tensions, that become a circle of issues on which attention is focused by a significant number of scientists.
In modern realities, the study of the influence of political conflicts as a prerequisite for the emergence of military conflicts is one of the main tasks of scientists, because they consider the last decades as a period of exacerbation of conflicts, and their management is one of the most important prerequisites for maintaining stability both within the country and in the context of preserving international relations. The article considers that the war itself is the result of conflicts between different political entities, which arises due to the presence of claims of various plans, which are implemented in the form of armed confrontation (military actions between armed forces).
It was determined that political conflicts are an important factor that can provoke or accelerate the escalation of military confrontations. It is shown that at the current stage of economic development, it is quite important to realize that in the global world a whole complex of problems that arose as a result of the actions of the world states, which are related to the increase of their military power, are relevant. It is substantiated that political conflicts that remain unresolved through diplomatic means often provoke force confrontations, which quickly turn into military conflicts. Taking into account the current foreign-political and internal situation in Ukraine, the study of how political conflicts are formed and exacerbated by the military is an important step for understanding the mechanisms of their escalation and finding ways to prevent wars in the modern world.
Specificity of European help to Ukrainian migrants and their adaptation in the European Union countries
Authors: Buzarov Andriy
Published: February 2025

The article is devoted to the study of qualitative aspects of assistance to Ukrainian migrants who moved to the European Union countries as a result of the Russian invasion of Ukraine. The peculiarities of adaptation and integration of Ukrainian migrants in the EU are analyzed. Due to the ongoing war in Ukraine, many aspects of the adaptation process of Ukrainians remain relevant to this day despite the huge legal, institutional and political, as well as socio-economic and international efforts in the adaptation and integration of Ukrainians in the EU countries. The article pays special attention to new components of social relations, the accumulation of knowledge that will allow responding to conflict-causing factors, and developing inclusiveness and tolerance in accordance with the qualitative characteristics of people arriving as a result of migration. The analysis and generalization are made on the basis of using a number of cases available to the author, resulting from his humanitarian and journalistic activities, and form a heuristic basis for further research of the problem. Investigating the current state of the institutional processes of adaptation of Ukrainians in European countries, the author comes to the conclusion that despite the high role of local Ukrainian communities, own social and institutional contacts of the displaced persons played the main role in the process of resettlement and adaptation.
Cauchy problem for the biharmonic equation in an unbounded region
Authors: Tursunov F. R. , Shodiyev D. S.
Published: February 2025

The article studies the continuation of the solution of the Cauchy problem for the biharmonic equation in the domain G from its known values on the smooth part S of the boundary дG. The considered problem belongs to the problems of mathematical physics, in which there is no continuous dependence of solutions on the initial data. It is assumed that the solution to the problem exists and is continuously differentiable in a closed domain with exactly given Cauchy data. For this case, an explicit formula for the continuation of the solution is established.
Further common spectral properties for some generalized inverses in a ring
Authors: Hadji S.
Published: February 2025

Extensions of Cline’s formula for some new generalized inverses such as strong Drazin inverse, generalized strong Drazin inverse, Hirano inverse and generalized Hirano inverse are presented. These extend many known results, e.g., Z. Wu and Q. Zeng, Extensions of Cline’s formula for some new generalized inverses, Filomat 35, 477-483 (2021).
Long-term monitoring of environmental risk factors for bovine respiratory disease complex in different dairy calf rearing conditions
Authors: Sáfár János , Hejel Péter , Vass-Bognár Barbara , Kiss László , Könyves László
Published: February 2025

Bovine respiratory disease complex (BRDC) is still one of the most challenging problems in calf rearing, therefore identification and continuous real-time monitoring of contributing environmental factors might play a role in mitigation of the damage caused by the disease. Microclimatic variables (temperature, relative humidity, air velocity, airborn particles expressed in particulate matter [PM], aerial germ load and gaseous pollutants) of a conventional calf barn and outdoor placed small-group hutches with pens were real-time monitored in a dairy herd by mounted sensors from summer to winter. Among the risk factors for BRDC, the small-group outdoor rearing units were characterized by high relative humidity, air velocity, and PM2.5 particulate matter concentration. Although the conventional calf barn was poorly ventilated, most variables were more favourable than expected, in which proper farm management may have played a role. We were able to identify long term and intraday periods with limit-breaking values, daily fluctuations as well as specific patterns of individual indicators in different calf husbandry environments. Based on obtained data, contributing technological processes may be reviewed and the effect of changes can be monitored under farm conditions. In addition, assessment of prevailing microclimatic conditions os also possible before investing in modernization of calf rearing units.
Effect of melatonin on growth performance in Saanen kids
Authors: Tezcanlı Öznur , Üstüner Hakan , Selvi Tuğçe Necla , Gök Ali
Published: February 2025

This research was conducted to determine the growth performance of Saanen kids and to reveal the effects of maternal age, type of birth (single, twin or multiple), and sex on the properties of melatonin hormone to improve their growth performance. The research was carried out at Bursa Uludag University Research and Application Center of Veterinary Medicine. The animal material for the study consisted of 35 Saanen kids. Birth weight, 30th day, 60th day, 90th day, and 120th day live weights of Saanen kids were observed as 3.29 kg, 8.02 kg, 12.68 kg, 18.41 kg, and 21.26 kg, respectively. Birth weights were affected by maternal age and sex (P < 0.001). There was no significant difference between body weight and birth type. Comparisons of body weight between the 30th day melatonin-treated and 60th day melatonin-treated groups and the control group showed no significant differences. The findings underscore the potential of melatonin as a growth-promoting agent in goat farming, aligning with previous research that has demonstrated its positive effects on growth trajectories in various livestock species. Moreover, maternal age was found to positively influence birth weights, while no significant differences were observed based on the birth type. These findings contribute valuable insights into optimizing growth strategies in goat husbandry, highlighting the need for further comprehensive studies to fully elucidate the mechanisms and long-term effects of melatonin supplementation on growth and development in Saanen goats.
Keterlibatan Karyawan, Loyalitas Kerja dan Kerjasama Tim Terhadap Kinerja Karyawan Pada PT Trans Indonesia Supercorridor
Authors: Liana Yuyuk , Dwinida Deavy Hen , Andriansyah Agus Salim , Djafri Taufik
Published: February 2025

Penelitian ini bertujuan untuk menganalisis keterlibatan karyawan, loyalitas kerja dan kerjasama tim berpengaruh terhadap kinerja karyawan. Populasi adalah karyawan PT Trans Indonesia Supercorridor cabang Malang dan Surabaya, dengan sampel 50 karyawan serta teknik yang diambil menggunakan sampel jenuh. Hasil penelitian ini menunjukkan secara parsial keterlibatan karyawan berpengaruh negatif  tetapi signifikan terhadap kinerja karyawan, loyalitas kerja berpengaruh positif dan signifikan terhadap kinerja karyawan dan kerjasama tim berpengaruh positif dan signifikan terhadap kinerja karyawan.
Transparansi Anggaran Publik Sebagai Kunci Peningkatan Kepercayaan Masyarakat Terhadap Pemerintah Daerah
Authors: Hamzah Mohammad , Surahman Fajar , Abdurahman Abdurahman , Saputri Erina , Basyarahil Abubakar
Published: February 2025

This study aims to analyze the effect of public budget transparency on the level of public trust in the Pamekasan Regency Government. Public budget transparency is defined as adequate openness of information related to the budget preparation, implementation, and evaluation process that can be accessed by the public. Public trust is measured based on public perception of the reliability and accountability of the local government in budget management. Using quantitative methods, this study collected data through a survey with a stratified random sampling technique on 400 respondents selected from various regions in Pamekasan Regency. Data analysis was carried out using simple linear regression to determine the relationship between budget transparency variables and public trust. The results showed that budget transparency had a positive and significant effect on the level of public trust with a regression coefficient of 0.625 and a significance value of 0.000. This finding indicates that the higher the level of budget transparency, the greater the public trust in the local government. This study provides important implications for the development of public policy, especially in increasing budget transparency in order to strengthen public trust.
Typology of Sharia-Compliant Business Capital Services to Support the Economic Development of Rural Communities
Authors: Rafiqi Iqbal , Turmidi Turmidi , Rahman Holilur , Mujibno Mujibno , Buchari Imam
Published: February 2025

Many business people in underdeveloped villages have difficulty getting business capital. The biggest problem that arises is that there are business people who do not have collateral so it is difficult to get business capital. The existence of PNM Mekaar Syariah in the village community with a business capital distribution service without collateral is very helpful. This research is important to carry out with the aim of analyzing the business capital service system provided by PNM Mekaar Syariah to customers in Ganding District, Sumenep. This research uses a qualitative research approach. The results of this research outline the data that in providing business capital funding assistance, the Ganding branch of PNM Mekaar Syariah does not use collateral but uses a joint responsibility system and provides village communities with business training and supervision of business growth. The impact is that village communities feel served by the government in matters of business capital and hope that services will be optimized and the results will be cheaper.
Peran Lembaga Keuangan Mikro Syariah Pondok Pesantren dalam Meningkatkan Ekonomi Umat di Indonesia
Authors: Jannah Miftakhul , Kusbiantoro Sigit , Hannan Fais Faizul
Published: February 2025

The dynamics of Islamic boarding schools in Indonesia have experienced rapid development. Now, Islamic boarding schools are not only synonymous with religious educational institutions, but they are also expected to contribute to the economic life of the people. The aim of this research is to analyze the role of Islamic boarding schools in efforts to empower the people's economy. This research is a literature study that uses a qualitative descriptive approach. This research found that Islamic boarding schools have sufficient resources and capital to serve as a basis for economic empowerment of the community. With these resources and capital, Islamic boarding schools can carry out various activities oriented towards the economic empowerment of local people. This research uses qualitative research with a library approach. The results of this research are that in practice the community empowerment program carried out by Islamic boarding schools still uses the old system, namely not the digital system which is currently being developed in society, but what is carried out by Islamic boarding schools can be in direct contact with the community so that it remains in accordance with vision and mission of an Islamic boarding school that upholds the principle of mutual help.
Pengaruh Label Halal, Brand Image dan Kualitas Pelayanan Terhadap Keputusan Pembelian di BFC 45 Prabumulih
Authors: Ilyas Mudzakir , Putri Rika Rahmadina , Fitri Nadiatul Karimah
Published: February 2025

This study aims to determine how the influence of halal labeling, brand image, and service quality on purchasing decisions at BFC 45 Prabumulih. With halal labeling variables, brand image, and service quality which are independent variables in this study and purchasing decisions as dependent variables and can be a reference in improving the quality of BFC 45 Prabumulih. This study uses a quantitative research design with a questionnaire as a data collection tool, using purposive sampling technique with a total of 92 respondents who fall into the characteristics of the respondents. The types of data used are secondary and primary data and the data analysis techniques used are instrument tests, classical assumption tests, multiple linear regression analysis tests and hypothesis testing. Based on the results of data processing that has been done, this study shows the results that halal labeling, brand image partially affect purchasing decisions at BFC 45 Prabumulih, while service quality partially has no effect on purchasing decisions at BFC 45 Prabumulih and simultaneously halal labeling, brand image and service quality affect purchasing decisions.
THE EFFECT OF CO2-BRINE-ROCK INTERACTION TOWARDS SAND ONSET MODELLING IN DOLOMITE-RICH SANDSTONE: A CASE STUDY IN AIR BENAKAT FORMATION, SOUTH SUMATERA, INDONESIA
Authors: Abdul Aziz Prasandi , Bachtiar Nurhandoko Bagus Endar , Marhaendrajana Taufan , W.R. Siagian Utjok , Ariadji Tutuka
Published: February 2025

Carbon Capture Utilization Storage (CCUS) into geological storage (e.g., Enhanced Oil or Gas Recovery) provides a solution to reduce CO2 emissions yet remains a potential operational problem, such as sand problem phenomena in producer well. This study performs several experimental works (i.e., time-lapse dry mass measurements, , X-Ray Diffraction (XRD), Scanning Electron Microscope (SEM) and elastic wave measurements) by using CO2-brine-rock batch experimental setup to observe mineral dissolution, pore structures alteration as well as rock physics alteration due to CO2-brine-rock interactions.This study used an outcrop sample of dolomite-rich sandstone from Air Benakat formation, South Sumatera, Indonesia. Our experimental works observed dolomite dissolution, secondary porosity development as well as rock strength reduction indirectly due to CO2-brine-rock interactions. The results of elastic wave velocity measurements (i.e. P & S waves) were then used to modify a considerable sand onset prediction model. Thus, the modified model demonstrates that considering CO2-brine-rock interactions could help to design better sand management strategy in producer well.
Fiestas y bailes en el Antiguo Régimen (virreinato del Río de la Plata, siglos XVIII-XIX)
Authors: Normando Cruz Enrique
Published: February 2025

Las fiestas y los bailes fueron actuaciones centrales en las sociedades de Antiguo Régimen de los Reinos de las Indias Occidentales, porque le dieron un marco de funcionamiento a una sociedad en tensas dinámicas mestizas y coloniales. En este artículo se describen las numerosas fiestas con sus bailes que se realizaban en una ciudad del virreinato del Río la Plata. Para considerar las continuidades y cambios históricos y culturales acaecidos localmente durante la crisis de la independencia.
Leveraging microservices architecture and event-driven applications to enhance government efficiency
Authors: Brian Akashaba  , Harriet Norah Nakayenga  , Curthbert Jeremiah Malingu  , Evans Twineamatsiko  , Ivan Zimbe  , Iga Daniel Ssetimba
Published: February 2025

In order to improve government services' responsiveness, scalability, and efficiency, this essay examines the revolutionary possibilities of fusing event-driven systems with Microservices architecture. Applications are broken down into independent, modular services via Microservices design, which facilitates resource optimization, quick development, and deployment. By overcoming the constraints of conventional monolithic systems, this strategy enables government organizations to innovate and adjust to changing demands. In addition, event-driven applications allow for real-time responsiveness to system events and user interactions, which enhances user experiences and operational efficiency.

By combining these paradigms, governments may create scalable, robust systems that can handle intricate processes and citizen requests while providing high-quality services. Nevertheless, this shift comes with difficulties, such as resolving data consistency issues, integrating legacy systems, and getting over organizational opposition to change. Strategic planning, strong implementation frameworks, and agency-wide culture changes that encourage cooperation and creativity are necessary for successful adoption. Government organizations can modernize their digital services, match them to the changing demands of citizens, and attain long-term gains in operational responsiveness, resource allocation, and service delivery by utilizing Microservices and event-driven architectures.
Predicting Tuberculosis Vulnerability Based on Environmental Factors Using Multi-Criteria Analysis in Bukittinggi
Authors: Satria Eka Budi , Dewata Indang , Umar Iswandi , Syah Nurhasan , Handayuni Linda , Hasnita Evi
Published: February 2025

Tuberculosis is still an infectious disease problem and the main cause of death in Indonesia, where there was an increase in cases from 301 per 100,000 population (2020) to 354,000 per 100,000 population (2021), with the death rate increasing by 55%. This research aims to determine the TB vulnerability cluster influenced by the main risk factors, namely TB prevalence, cure rate, immunization, population density, and population arrivals in Bukittinggi, using the Weight Product (WP) analysis method, and then describe them by mapping tuberculosis vulnerability. The findings indicate that four sub-districts exhibit the highest levels of tuberculosis vulnerability: Tarok Dipo (0.0379), Campago Guguk Bulek (0.0399), Campago Ipuh (0.0399), and Aur Tajungkang Tangah Sawah (0.0389). A multi-sectoral TB control committee comprising public works, environmental, and health agencies should be formed to organize and carry out focused actions. Establish a strong TB surveillance system that includes contact tracing, active case finding, and routine monitoring of important indicators. Create and implement specialized intervention packages for high-vulnerability subdistricts, including social support programs, housing rehabilitation, and air quality control.
CO2/Brine Relative Permeability Measurements at Reservoir Conditions: How to Reconciliate SS and USS Methods?
Authors:   IFP Energies Nouvelles, Mascle Matthieu , Oisel Ameline ,   IFP Energies Nouvelles, Munkerud Per Kristian ,   Equinor ASA, Ebeltoft Einar ,   Equinor ASA, Lopez Olivier ,   Equinor ASA, Pryme Colin ,   Equinor ASA, Youssef Souhail ,   IFP Energies Nouvelles
Published: February 2025

The injection of CO2 into deep saline aquifers for geological carbon sequestration is being developed worldwide as a large-scale technology to reduce the greenhouse effect. Successful management of such industrial-scale projects requires accurate characterization of reservoir dynamic properties. However, a literature review shows a lack of CO2-brine relative permeability (kr) measurements under reservoir conditions for most storage cases, as well as a non-consensus on the measurement methods that partially explain the discrepancies observed in published results. The objectives of the work presented here are to reconciliate these methods and to suggest “best practices” when measuring kr curves with CO2. CO2/brine kr curves have been measured using two protocols (steady-state (SS) and unsteady-state (USS) methods) on a homogenous Grès-de-Fontainebleau sandstone. Experiments were conducted at reservoir conditions (54°C, 90 bars) using the mini-coreflood injection platform CAL-X™ (Youssef et al., 2018). This setup limits the plug size to a typical core length of 20 mm but provides qualitative access to the local saturations. We found that the combination of the different methods (SS and USS) allows us to derive the most reliable curves. As experiments on small samples are an order of magnitude faster than those measured on standard samples, the combination of these methods is made possible in a reasonable time (a few days). Finally, using two-dimensional (2D) radiography to monitor local saturation has been demonstrated to be a key element for the kr curves or the capillary pressure (Pc) curves interpretations. It provides the possibility to quality check the displacement homogeneity, in both radial and vertical directions.
Derivation of A Representative Elementary Volume (REV) for Upscaled Two-Phase Flow in Porous Media
Authors:   Polytechnical Institute and State University, McClure James E. , Fan Ming ,   Polytechnical Institute and State University,   Oak Ridge National Laboratory, Berg Steffen ,   Shell Global Solutions International B.V., Armstrong Ryan T. ,   The University of New South Wales, Berg Carl Fredrik ,   Norwegian University of Science and Technology (NTNU), Li Zhe ,   The Australian National University, Ramstad Thomas ,   Equinor ASA
Published: February 2025

Relative permeability plays an important role in the upscaling of multiphase flow in porous media from the pore scale to the Darcy scale. The entire concept of relative permeability is contingent on the existence of a representative elementary volume (REV). As we move to smaller samples to measure relative permeability, such as with digital core analysis, the concept of a classical REV has become increasingly unlikely when using the conventional approach to defining a representative volume. The “‘conventional”’ understanding of an REV is that a large enough volume must be considered such that spatial variability averages out. In digital rock methods, such as pore-scale simulations based on micro-computed tomography (CT) images, the domain size is typically 2 to 4 mm. This is approximately the length scale of a single-phase flow REV using the classic REV approach. However, the single-phase perspective does not consider the complex dynamics and fluctuations often observed in multiphase flow systems, even at centimeter-scale experiments and/or simulations. A fundamental question is, therefore, whether the domain size commonly used in digital rock simulations can provide a consistent energy budget such that the concept of relative permeability exists. Based on first principles, relative permeability accounts for the rate of energy dissipated in a stationary process. If the dynamics are fluctuating, the energy dissipated can vary but will average out over a long enough timescale. The key to determining the validity of the relative permeability is the timescale of the measurement, not the spatial scale. The conventional REV theory assumes that spatial, temporal, and ensemble averages are equivalent in an ergodic system, but it does not provide a way to test this assumption. We provide a formal way to identify the timescale where the relative permeability accurately captures energy dissipation as a way to validate relative permeability measurements and quantitatively assess their accuracy. This result will be tested for a practical SCAL test, determining how long a flow experiment needs to be run to accurately characterize the rate of energy dissipation by the flow. The outcome will be a best practice guide for the determination of relative permeability from core-scale experiments and/or digital core simulations that ensure the energy budget is fully accounted for in the relative permeability coefficient.
Study of the fruit amino acid composition of cherry varieties and hybrid forms depending on their genetic origin
Authors:   Orel State University named after I.S. Turgenev, Orel, Russian Federation, Ostrikova O.V. , Fedotova I.E. ,   Orel State University named after I.S. Turgenev, Orel, Russian Federation, Harhardina E.L. ,   Orel State University named after I.S. Turgenev, Orel, Russian Federation
Published: February 2025

Abstract. Cherry is a valuable stone culture, which is very popular among the population of Russia Central
region. Its fruits not only have pleasant taste qualities, but are also rich in biologically active substances. The
fruit amino acid composition of cherry is the particular value. The study of the list of amino acids in cherry
juice of cherry varieties and hybrids, depending on their genetic origin, is very relevant and is of particular
interest for breeding and agricultural production. The composition of free amino acids was determined by
ion exchange chromatography on an automatic amino acid analyzer “Biochrome”. The research objects were
varieties obtained on the basis of a sour cherry gene pool, as well as varieties and hybrid forms obtained with
the involvement of the cherry Maaka. In the course of the conducted studies, it was established that the total
molar concentration of amino acids in the fruit concentrated juice of the studied cherry genotypes averaged
3,74 mmol/dm3
for varieties. It varies depending on the genotype from 0,63 mmol/dm3
(in the Orlitsa variety)
to 9,19 mmol/dm3
(in the Trofimovskaya variety). It was found that the genotypes obtained only on the basis
of a sour cherry gene pool have a total molar concentration of amino acids on average higher than the genotypes obtained with the involvement of the cherry Maaka. The amino acid tryptophan is absent in cherry
fruits of all studied genotypes. The varieties Trofimovskaya and Orleya were distinguished by the highest
content of essential amino acids. They are recommended for use in breeding to create new sour cherry varieties and hybrid forms with improved fruit amino acid composition. The Orleya variety must be involved in
breeding to obtain varieties with the amino acid arginine content in fruits. The genotypes of Group IB: Livenskaya, Mtsenskaya, Orlitsa, Turgenevka, Shokoladnitsa, especially the Trofimovskaya and Orleya varieties, should be used in synthetic crosses to obtain varieties with a rich amino acid composition.

Keywords: amino acid composition, sour cherry, cherry Maaka, ion exchange chromatography, essential
and interchangeable amino acids.
Development of Isohyet Map of Design Rainfall using Spatial Interpolation at Various Return Periods in Sadar Sub-Watershed
Authors: Donny Harisuseno  , Jadfan Sidqi Fidari  , Syifa Nissa Aulia
Published: February 2025

The overflow of the Sadar River often causes flooding, which is detrimental to the community. Effective measures to address the flood problem require a good quality and quantity of rainfall data. This study aims to develop an isohyetal map of design rainfall for various return periods using the interpolation linear method. The design rainfall is computed using frequency analysis of Log Normal, Gumbel, and Log Person III distributions with return periods of 2, 5, 10, 25, 50, and 100 years. The isohyet map was produced using the Inverse Distance Weight (IDW) and spline interpolation methods. The map results are then evaluated against the design rainfall values obtained from the frequency analysis using the NSE and RSR parameters. The IDW and spline interpolation maps show an excellent level of fit. Furthermore, the isohyet map was compared with the design rainfall map issued by the Ministry of Public Works and Public Housing, which shows a level of fit of 49.693% for the IDW method and 33.194% for the spline method. The results confirmed that the IDW method is the most accurate to estimate isohyet map of design rainfall in the study area.
Analisis Manajemen Risiko K3 Menggunakan Metode HAZOP (Hazard and Operability Study) pada Bengkel Bolot Motor
Authors: Azmi Umroh  , Ilham
Published: February 2025

K3 berupaya untuk mencegah kecelakaan yang tidak disengaja. Kecelakaan kerja dapat muncul akibat berbagai faktor yang bersama-sama berperan dalam lingkungan kerja atau proses produksi Salah satu tahap awal dalam implementasi K3 adalah mengidentifikasi bahaya, mengevaluasi risiko, dan mengambil langkah-langkah pengendalian. Bengkel Bolot Motor merupakan bengkel motor yang melayani jasa berupa servis motor, ganti oli, tambal ban, dan lain-lain. Penggunaan mesin atau peralatan dapat menimbulkan risiko yang mengakibatkan kecelakaan di tempat kerja kerja. Tujuan dari studi ini adalah untuk menilai risiko yang bisa mengakibatkan kecelakaan kerja dan menawarkan rencana pengurangan risiko untuk komponen Keselamatan dan Kesehatan Kerja (K3). HAZOP atau Hazard and Operability Study, adalah metodologi studi yang digunakan. Menurut temuan studi ini, Bengkel Bolot Motor melihat tiga jenis kecelakaan kerja yang berbeda. Yaitu kategori rendah, sedang, dan tinggi. Salah satu saran yang diberikan adalah memperbaiki lampu, menyelesaikan persediaan APD dan mempromosikan penggunaan APD di lingkungan sekitar.
Analisis Penerapan Metode Waterfall dan Pengujian Sistem Aplikasi Persewaan Peralatan Pesta Berbasis Mobile Menggunakan Black Box Testing
Authors: Fata Izzan Hafidz Jihaadi  , Hozairi  , Hoiriyah
Published: February 2025

Perkembangan teknologi canggih menciptakan banyak aplikasi persewaan alat pesta yang menyediakan kebutuhan untuk acara seperti pernikahan, ulang tahun, dan seminar. Proses manual yang masih digunakan juga memakan waktu dan biaya serta rentan terhadap kesalahan dan kehilangan data. Dengan adanya hal ini, maka diperlukan sistem informasi yang harus bisa mengatasi memperbaiki efektivitas dan efisiensi operasional usaha. Flutter merupakan sebuah framework untuk membuat aplikasi mobile dengan design menarik yang bisa digunakan sebagai solusi masalah disini. Dalam prosesnya, peneliti menggunakan metode Waterfall yang bisa dilakukan agar rincian mulai dari perencanaan hingga pengujian terlihat jelas. Sedangkan pada tahap akhir, penulis melakukan pengujian dengan Black-Box Method dengan tujuan agar aplikasi dapat berjalan dengan maksimal. Berdasarkan nilai persentase dari kuisioner yang sudah dibagikan, Maka didapat nilai presentase = (Total/Y) x 100% = 89,33%.  dapat diambil kesimpulan bahwa Aplikasi (FrentApp) ini dalam kategori Sangat Baik Aplikasi mobile ini diharapkan dapat memperlihatkan konsep dan desain sistem informasi yang diusulkan serta mengumpulkan umpan balik dari pengguna potensial dan memenuhi kebutuhan harapan pengguna usaha persewaan peralatan pesta.
Analisis Faktor Pengurangan Terjadinya Backorder Tunggu Tarik KN Dengan Menggunakan Metode PDCA di PT Sanghiang Perkasa
Authors: Anharun Nuha  , Gusman Simon  , Syarah Rizkia Feriaty
Published: February 2025

PT Sanghiang Perkasa adalah perusahaan manufaktur makanan. Beberapa hambatan dalam pengelolaan gudang membuat stok barang tidak tersedia sehingga mengakibatkan backorder. Metode PDCA merupakan metode pemecahan masalah dengan delapan langkah tujuh alat sebagai aktivitas yang dilakukan dan seven tools berguna sebagai alat dalam membantu pemecahan masalah. Berdasarkan penelitian backorder tunggu tarik KN merupakan backorder terbesar dengan jumlah 824 carton box perbulan. Ada tiga faktor penyebab yaitu proses bongkar curah, proses bongkar dilakukan di H-0 shift 1, dan alokasi tarik KN murni sesuai request dari demand product. Perbaikan yang pertama yaitu mengubah proses bongkar menjadi palletize, kedua proses bongkar dilakukan di H-1 shift tiga dan ketiga adjusting alokasi tarik KN untuk beberapa hari kedepan dan diround up sesuai palletsize. Hasil perbaikan berhasil menurunkan jumlah backorder menjadi 24 carton box perbulan. Standarisasi yang dilakukan yaitu penjadwalan tim di shift 3 dan informasi alokasi tarik KN maksimal H-1 jam 12 siang.
Pemanfaatan Augmented Reality Untuk Eksplorasi Gunung Berapi Di Jawa Barat
Authors: Nursyanti Reni , Budiman  , Anto Widianto
Published: February 2025

Gunung berapi adalah salah satu destinasi yang populer untuk menambah pengalaman baru, dengan banyaknya objek wisata yang dapat dieksplorasi. Gunung Tangkuban Parahu, Gunung Papandayan, dan Gunung Ciremai adalah beberapa gunung di Jawa Barat yang menawarkan beragam pilihan destinasi wisata. Namun, banyak wisatawan yang masih belum mengetahui tempat wisata apa saja yang ada di sekitar gunung-gunung tersebut. Augmented Reality (AR) merupakan teknologi yang dapat digunakan untuk memberikan visualisasi kepada masyarakat, khususnya wisatawan, tentang berbagai tempat wisata dan daerah di sekitar gunung berapi tersebut. Penelitian ini menggunakan metode Luther-Sutopo, yang meliputi pengumpulan data melalui wawancara, observasi, studi literatur, dan studi pustaka. Selain itu, pengujian dilakukan dengan menggunakan kuesioner kepada 20 responden melalui Alpha dan Beta Testing. Hasil pengujian Alpha menunjukkan bahwa penggunaan multimedia untuk eksplorasi gunung berapi di Jawa Barat ini sudah sesuai, dan Beta Testing menunjukkan bahwa 83% responden merasa puas dengan multimedia eksplorasi tersebut. Hasil penelitian ini menunjukkan bahwa multimedia eksplorasi gunung berapi berbasis Augmented Reality di Jawa Barat dapat membantu masyarakat dalam mengeksplorasi gunung berapi di wilayah tersebut.
Temperature Control of Focused Beam Lamp: PID-Controlled Pulse Width Modulation using MATLAB Simulink and Arduino
Authors: Baskoro Farid , Miftahur Rohman  , Dimas Arya S.F  , Aristyawan Putra
Published: February 2025

This research explores the application of PID control on Arduino Uno using MATLAB Simulink to maintain temperature stability in a system. The main advantage of the PID approach is its adaptability to a variety of temperature control scenarios. Through MATLAB Simulink, users can easily optimize PID parameters such as P, I, and D according to system characteristics and specific needs. The three graphs analyzed depict the system response to changes in PID parameters. The first graph shows a moderate response with controlled fluctuations, reaching setpoint at 60 seconds. The second graph shows a dynamic and complex response, while the third graph produces a very active response with significant fluctuations. The results show that a higher P value results in a more active response and larger fluctuations, but the parameter adjustment must be carried out carefully to achieve a balance between fast response and system stability. In conclusion, the first graph strikes a good balance between responsiveness and stability, while the second and third graphs show the challenges in maintaining stability in certain situations
Analisis Pengaruh Kemiringan Sudut Blade Archimedes Screw Terhadap Output Yang Dihasilkan Pada Pembangkit Listrik Tenaga Pico Hydro (PLTPH)
Authors: Muhammad Whildan Alamsyah  , Mochamad Choifin
Published: February 2025

Penelitian ini dilakukan untuk memahami dan mengetahui cara kerja alat Pembangkit Listrik Tenaga Pico Hydro (PLTPH) terhadap keluaran daya dengan variasi sudut sirip turbin. Di Desa Sambibulu RT 03 RW 03 Kecamatan Taman Kabupaten Sidoarjo banyak terdapat lahan persawahan yang belum terjangkau dengan energi listrik. Salah satu pemanfaatan energi yang ada pada sekitar lokasi tersebut yaitu aliran sungai yang dapat dimanfaatkan dengan menggunkan alat Pembangkit Listrik Tenaga Pico Hydro (PLTPH). Pengujian ini menggunakan pendekatan eksperimental dengan menguji variasi sudut blade 7° dan 14°. Cara kerja dari alat ini ketika aliran air yang masuk alat PLTPH yang akan memutar turbin yang tersambung generator dari putaran tersebut akan menghasilkan keluaran daya serta debit yang dihasilkan dari pemberian head pada alat PLTPH. Dalam pemberian sudut blade yang berbeda pada turbin alat PLTPH memberikan dampak pada keluaran daya dan debit air yang dihasilkan. Untuk performa terbaik terdapat pada turbin dengan sudut kemiringan 14° dengan nilai tegangan sebesar 0,39 V, arus sebesar 0,034 A, dan daya sebesar 0,4145 watt.
MOORHYTM: SELEKSI ALBUM K-POP BERDASAR PREFERENSI PENGGEMAR DENGAN MOORA
Authors: Salis Nilam Amartama  , Patmi Kasih  , Danar Putra Pamungkas
Published: February 2025

Perkembangan industri K-pop yang pesat dan semakin menyebar luas, membuat jumlah penggemar meningkat di berbagai penjuru negara. Kecenderungan penggemar pasti menginginkan suatu merchandise yang berkaitan dengan grub musik yang digemari. Merchandise yang paling diminati adalah album fisik yang memiliki berbagai inclusions. Banyaknya faktor yang menjadi pertimbangan dalam keputusan pembelian album, membuat penggemar merasa kesulitan dalam menentukan pilihan. Permasalahan tersebut sering terjadi juga dalam pembelian merchandise yang lain. Sistem ini dibuat untuk membantu dalam merekomendasikan album pilihan berdasarkan preferensi penggemar, mulai dari segi budget, harga, inclusions, dan keuntungan lain. Metode MOORA (Multi Objektif by Ratio Analysis) dipilih, karena memiliki tingkat selektifitas yang baik dan mampu mengoptimalkan kriteria yang bertolak belakang. Data album yang valid akan langsung di proses dengan metode MOORA saat user mengklik submit. Data tersebut, akan diberi nilai matriks sesuai sub-kriteria yang diinputkan, proses perhitungan normalisasi dan optimasi hingga perhitungan nilai Yi dan perangkingan berdasarkan nilai Yi terbesarSistem yang dibuat mampu memproses data-data yang diinputkan penggemar seperti data album, budget, dan preferensi bobot kriteria. Sistem ini, mampu menghasilkan output berupa rekomendasi album K-pop disertai alasannya. Berdasarkan hasil uji coba, hasil keakuratan dalam sistem telah mencapai 100% berdasarkan perbandingan dengan perhitungan manual.
Optimisasi Analisis Pelaksanan Pelaporan Pasien Menggunakan Sistem Informasi Rumah Sakit( SIRS) Online di Rumah Sakit Sentra Medika Sanggau Tahun 2023
Authors: Sardi Aditiya , Wahyudi Wahyudi
Published: February 2025

Sistem Informasi Rumah Sakit merupakan pengumpulan, pengolahan dan penyajian data rumah sakit di seluruh Indonesia. Tujuan penelitian ini adalah untuk mengetahui presentase pasien periode 2022-2023 dan mengetahui faktor-faktor yang mempengaruhi pelaksanaan pelaporan pasien menggunakan Sistem Informasi Rumah Sakit (SIRS) Online di RSUD Sanggau Medika Center. Jenis penelitian ini adalah deskriptif dengan pendekatan kualitatif yang bertujuan untuk mengetahui pelaksanaan pelaporan pasien menggunakan Sistem Informasi Rumah Sakit (SIRS) online. Hasil penelitian ini dilihat dari faktor manusia, jumlah petugas masih kurang dengan jumlah petugas hanya dua orang. Metode, belum adanya prosedur operasional baku mengenai pelaporan pasien menggunakan Sistem Informasi Rumah Sakit (SIRS) Online. Mesin, jaringan yang mengalami kendala. Material, belum adanya sistem informasi manajemen rumah sakit berdampak langsung terhadap efektifitas dan efisiensi kerja staf. Kesimpulannya, pemanfaatan aplikasi Sistem Informasi Rumah Sakit (SIRS) Online di RSUD Sanggau Medika Center sudah cukup baik namun masih belum optimal, dikarenakan jumlah petugas masih terbatas dan fasilitas yang tersedia belum dapat mendukung sepenuhnya pemanfaatan Sistem Informasi Rumah Sakit (SIRS) Online dalam pelaporan pasien.