bluuebunny/crossref_metadata_2025 huggingface dataset:
Methods for Improving Thermal Performance of Three Stage Vapour Compression Refrigeration Systems with Flash-Intercooler Using Energy– Exergy Analysis of Eight Ecofriendly Refrigerants
Authors: Mishra R. S. , Chopra Kapil , Sahni V.
Published: January 2023

The exergy analysis is a powerful tool for finding irreversibilities occurred in the components as well as complete system. Global warming and ozone depletion is a big issues for saving our environment. In this paper using first law and second law analysis , the comparison of eight environmental friendly refrigerants on multiple stage vapour compression refrigerator with flash intercooler and individual throttle valves (system-1) and multiple stage vapour compression refrigerator with flash intercooler and multiple throttle valves (system-2) has been carried out. For eight selected refrigerants irreversibilities occurred in the system -1 is higher than the system-2 and first law efficiency (COP) and exergy efficiency of system-1is lower than sytem-2.The Exergetic performance of R600 and R717 is better in comparison of other selected ecofriendly refrigerants for both systems where as ecofriendly R125 refrigerant showed lowest thermal performances in terms of COP (energetic efficiency), and exergetic efficiency (second law efficiency) and higher irreversibilities in terms of exergey destruction ratio (EDR) . As ecofriendly R717 refrigerant is toxic in nature and restricted to limited applications and hydrocarbon R600 is slightly lower performance than R717 and 2-3% higher performance than R134a refrigerant is also flammable in nature can be used without taking of any safety precautions.Therefore R134a may also be used for practical applications. Also R134A is easily available, The performance of R1234yf (GWP four with zero ozone depletion potential) gives lower thermal performance than R134a
Reactive Power Control in the Deregulated Electrical Power Environment using FACT Devices
Authors: Packiasudha M. , Suja S.
Published: January 2023

In the deregulating electricity market, many private sector power producers areparticipating actively. With growing number of the wind mills and solar power generation, the reactive power production will be more because of induction generator and inductive type load. Many blackouts havehappenedin the past decades due to more reactive power which lead to a decrease in the magnitude of real power. It is very essential to control and compensate the reactive power, increase the real power flow in the transmission line, increase the transmission efficiency, improve the system stability andbe in a safer place to save the fossil fuels for the future.
In this paper the importance of reactive power and its various compensation and control techniques are applied to a five bus deregulated test case model. The simulations were done using Matlabsimulink, for various FACT controllers such as STATCOM,SVC,SSSCand UPFC compensationand the results were tabulated and compared.
Continuous Intraocular Pressure Monitoring by Non-Invasive Wireless Pressure Sensor
Authors: Reshiah R Shafny , Alaric J. Sam
Published: January 2023

This project presents that the glaucoma is the second leading cause of blindness and is most accurately defined as a collection of diseases that have in common, damage to the optic nerve and loss of visual field with increased intraocular pressure (IOP) being the primary risk factor. Though there are treatments available, there is a requirement to develop improved diagnostic and therapeutic techniques to overcome this disease. A continuous intraocular pressure measurement during the patients’ routine daily activity can provide a valuable insight. Here microcontroller is used to convert the analog signal to digital and which the sensor output through which the pressure of the eye is measured continuously and the monitored data can be send via wireless technology through ZigBee. The transmitted data can be viewed by the doctors through PC were it is received by the ZigBee transceiver.
A Fine-Grained Auditing and Verification Technique for Big Data Stored on Cloud
Authors: Thenmozhi A. , Malar Chelvi P.D. Sheba Kezia
Published: January 2023

A management information system (MIS) provides information that organizations need to manage themselves efficiently and effectively. Hospital Information System (HIS) is vital to decision making and plays a crucial role in the success of the organization. Computerization of the medical records and documentation has resulted in efficient data management and information dissemination for the users. Hospital took to develop a management information system. It is widely accepted that the use of information and communication technology (ICT) in the healthcare sector offers great potential for improving the quality of services provided, the efficiency and effectiveness of personnel, and also reducing organizational expenses. The use of an efficient information system effectively promotes the managing performance. This paper seeks to examine how MIS support hospital information system (HIS).
Efficient Anonymity Authentication Using Quorum Sensing Protocol in Wireless Mobile Networks
Authors: Sindhuja A. , Devi J. Sasi , Aarthy R.
Published: January 2023

In secure roaming service, the foreign server must authenticate the roaming user, who originally subscribed to the home server. Hence, an authentication mechanism is currently important requirement for providing secure roaming services and protects the location privacy of users on unidentified authentication. The unidentified authentication will process without participating the home server on efficiency communication for existing work. The process of authentication increases high computation costs and huge revocation lists. The novel three-round anonymous (unidentified) roaming protocol uses a pseudo-identity-based signcryption scheme and using CK-model to perform efficient revocation with a short revocation list and efficient authentication. The use of a signcryption algorithm minimizes the storage in a Subscriber Identification Module (SIM) card with limited storage capacity. The authentication efficiency is also higher than that of existing protocols.
Design and Development of ARM Based Remote Control Car Unit for Search Missions
Authors: K. Keerthana , Usha A.
Published: January 2023

This project work is focused on the remote control car which is widely used in search missions such as in the occurrence of natural disasters and calamities. This system is developed using ARM 7 (LPC2148) microcontroller to detect the obstacles and the live bodies that are caught beneath the natural disaster without any harm to human beings.
This car module is made up of a commercially available remote car chassis and controlling of the motor is performed using motor control unit (L293D). An exclusively developed Android application is adopted for controlling the car with Bluetooth as the platform. Also the UV sensor is integrated in the system to sense the obstacles and the objects. The Wi-Fi camera is erected for monitoring of real-time situations.
Irreversibility Reduction in Vapour Compression Refrigeration Systems Using Al2O3 Nano Material Mixed in R718 as Secondary Fluid
Authors: Misra R. S.
Published: January 2023

The several methods are available in the literature for improving first law efficiency in terms of coefficient of performance. The second law efficiency is helped for finding the irreversibilities the systems. The uses of nano refrigerants in the vapour compression refrigeration play a very important role for reducing irreversibility in the system and improving its thermodynamic performances. This paper describes thermal modelling of vapour compression refrigeration system using energy - exergy analysis. In this system, the utility of ecofriendly twelve refrigerants in primary circuit is highlighted and Al2O3-Water based nanofluids in secondary circuit. This model takes care the nanoparticles mixed in the fluids as input conditions in the secondary evaporator circuit as geometric characteristics of the system such as size of nanoparticles and the compressor speed to predict the secondary fluids output temperatures, the operating pressures, the compressor power consumption and the system overall energy performance. Such design analysis is conveniently useful to compare the thermal performance of different nano-particles of Al2O3 based nano-fluid as a secondary fluid in a vapour compression refrigeration system. The influence of input variables on the irreversibilities in terms of exergy destruction ratio of the system is presented. Such a model can also be used to design various components viz. evaporator, compressor, condenser and throttle valve for vapour compression refrigeration systems for any desired cooling capacity. This model takes care of use of nanofluids as a secondary fluid in vapour compression refrigeration systems and simulate the non linear equations of the system. The use of R407c as ecofriendly refrigerants is quite adequate while first law performance improvement is around 13.491% by using nano particles. The % improvement in first law efficiency is found to be 11.04% by using nano particles as compared to without nano particles. While by using R134a 12.60% improvement. Similarly It was also observed that second law performance improvement is ranging between 15% to 39.13%. The better second law efficiency is 39.13% improvement due to, by using R1234yf as compared to 16.52% improvement by using R1234ze in the primary evaporator circuit. The reduction in the irreversibility in terms of exergy destruction ratio in the system and maximum exergy destruction ratio around 25.294% was observed by using R152a and exergy destruction ratio is 22.79% by using R290 hydrocarbon and 23.403% by using R407c as ecofriendly refrigerant. The Reduction in EDR is 20.09% by using R404a, and 21.37% by using R134a. The R1234ze and R1234yf have slightly less reduction in EDR as compared by using R134a.
Methods for Improving Thermodynamic Performance of Vapour Compression Refrigeration Systems Using Nano Mixed Ecofriendly Refrigerants in Primary Circuit and Comparsion with Nano Particles Mixed Wih R718 Used in Secondary Evaporator Circuit and Ecofriendly
Authors: Misra R. S.
Published: January 2023

The use of nano particles mixed refrigerants in a primary circuit in vapour compression refrigeration systems and used of nano particles mixed with R718 in the secondary evaporator circuit was studied in detail and computational system model was developed for solving the non linear heat transfer equations of the system. The effect of brine mass flow rate on the overall evaporator heat transfer rate and first and second law performances of VCRS have been investigated. It was observed that C.O.P enhancement about 8-28 % in the nanoparticles mixed refrigerants in a primary circuit and nanoparticles mixed refrigerants in the R718 and used in a secondary circuit is from 8% to 20% with evaporator heat transfer rate increasing is double as compared without nanoparticles in the secondary circuit due to its thermo-physical properties increases in the system.
Gastroretentive Floating Microspheres a New Trend of Drug Delivery System
Authors: Kumari Reena , Verma Nishant , Chaudhary Nidhi , Kumar Umesh
Published: January 2023

The purpose of writing this review on microspheres is to compile the recent literature with special focus on the principal mechanism of floatation to achieve gastric retention. Microsphere promises to be a potential approach for gastric retention. Floating drug delivery systems are designed for the poorly soluble, unstable and locally acting drugs in the G.I.T and they have low bulk density than the gastric content also they float in the stomach for a prolonged period of time. From this the designing of floating microspheres is one of the approach in delivering a dosage form to the target site in sustained controlled release fashion, to achieve good peak plasma concentration by increasing bioavailability of drug or dosage form. In the floating microspheres, the drug loaded microspheres come in contact with gastric fluid the gel formers, and polymer hydrates to form a colloidal gel barrier then controls the rate of fluid penetration into the device and consequent drug released by the swollen polymer lowers the density and float in the stomach.
Does the board's human capital, social capital and participation affect co-operative performance? The case of Program Desa Lestari
Authors: Buang Mokhtaruddin , Abu Samah Asnarulkhadi , Roslan Rosnon Mohd , Sufian Burhan Nik Ahmad
Published: January 2023

El gobierno de Malasia ha implementado una serie de programas de desarrollo comunitario, y este esfuerzo ha continuado con la introducción del Programa Desa Lestari. El programa Desa Lestari es la iniciativa de desarrollo comunitario más reciente del gobierno, que enfatiza la cooperación como una estrategia de desarrollo comunitario. Dada la posición de las cooperativas como fuerza impulsora detrás de esta iniciativa, es importante que la investigación actual examine el desempeño cooperativo, que depende de la capacidad de la junta para cumplir eficazmente sus funciones. Se han postulado varios factores relacionados con el directorio, y este estudio se ha centrado en los roles de provisión de recursos de los miembros del directorio derivados del capital humano y social, con la inclusión de una función de mediación de la participación del directorio. Este estudio adopta un enfoque de investigación cuantitativa utilizando un diseño de investigación de correlación. Aplicando un método de muestreo estratificado proporcionado, se recopilaron datos de cuestionarios distribuidos en línea y por correo. Luego se analizaron los datos de 226 respuestas elegibles de 38 cooperativas. Para analizar los datos se utilizó un enfoque de Modelado de ecuaciones estructurales de mínimos cuadrados parciales (PLS-SEM). En general, el desempeño de las cooperativas en el Programa Desa Lestari resultó ser moderado, con la mayoría de las cooperativas (ƒ = 21) con un desempeño de promedio a un nivel muy satisfactorio (51% y más). Curiosamente, a pesar de los altos niveles de capital humano y capital social de los encuestados en el estudio actual, los hallazgos revelaron que estos factores no tenían ningún impacto en el desempeño cooperativo, lo que a su vez influye en el papel mediador de la participación de la junta. Este estudio, sin embargo, sirve como investigación prospectiva, ya que es el primero en integrar la teoría de la dependencia de recursos y la teoría de la participación en la investigación de la efectividad de los miembros de la junta en el desempeño de las cooperativas, especialmente en el contexto de Malasia.
Impact of Socioeconomic Determinants on Infant Mortality in Pakistan
Authors: Rehman Abdur , Shah Muhammad Imran , Manan Abdul , Sadiqa Aisha , Saadat Ume Ruqia
Published: January 2023

The recent study was carried out to estimate the impact of socioeconomic, demographic and the aspect of health status on child mortality in Pakistan. The data for the study was collected from the PSLM (Pakistan Social and Living Standard measurement survey) for the year 2011-12. The data were analyzed through cross-tabulation and binary logistic model using MLE (Maximum likelihood estimation) technique. Overall, 13216 households were selected for the analysis. The result of the study of the cross-tabulation shows that the overall child mortality was low in Baluchistan province, the maximum number of children survived in Punjab province further, and the child mortality was low in an urban area where 290 children died out of 3984 houses as compared to rural area household in Pakistan. Child mortality was high among females than males in Pakistan. The result of binary logistics shows that out of the total independent variable, nine variables significantly affect child mortality in Pakistan, location of the household, gender, education of father, education of mother, income and mother feeding, positively associated the infant mortality; all these aspects reduce the chance of child mortality, while there was a less likely chance that child survives in Punjab, Sindh as compared to KPK in Pakistan. In the case of Baluchistan, there was also the same situation as KPK in terms of child mortality. Infant mortality was high in female children compared to male children, which means there is a less likely chance of surviving among the female child than the male child. All other variables were insignificant in Pakistan. It is suggested that the central authority provide basic children and mothers health facilities at minimum cost to the rural areas of Pakistan.
PREDIKTOR STRES, KECEMASAN, DAN KELELAHAN PSIKOLOGI PADA MAHASISWA KEPERAWATAN DI ERA PANDEMI COVID-19
Authors: Insiyah  , Sulistyowati Endang Caturini , Ghoniy Zakky Abdul
Published: January 2023

Perkuliahan dalam jaringan (daring) merupakan solusi yang terbaik yang diambil saat pandemi COVID-19, namun disisi lain bisa menimbulkan konsekuensi baru. Mahasiswa yang dalam rentang usia dewasa muda rentan mengalami masalah psikologis seperti stres, kecemasan, dan depresi. Hal ini dikarenakan kekhawatiran tertular COVID-19, kesulitan memahami materi perkuliahan secara daring, keterbatasan aktifitas, dan kebosanan selama masa stay at home. Durasi pandemi yang lama menyebabkan kelelahan psikologis yang berakibat pada peningkatan ketidakpatuhan protokol kesehatan. Penelitian ini bertujuan untuk mengetahui prediktor stres, kecemasan, dan kelelahan psikologi pada mahasiswa keperawatan di era pandemi COVID-19. Desain penelitian yang digunakan adalah deskriptif korelasional, pemilihan sampel menggunakan quota random sampling dan didapatkan sejumlah 410 responden. Instrumen dalam penelitian ini adalah Perceived Stress Scale (PSS 10), Zung Self-Rating Anxiety Scale (SAS/SRAS), dan Fatigue Assesment Scale (FAS). Hasil Uji Spearman Rank menunjukkan dukungan sosial memiliki hubungan signifikan dengan stres (p value=0,000), kecemasan (p value=0,011), dan kelelahan psikologi (p value=0,004). Sedangkan hasil Uji Regresi Logistik Berganda bahwa dukungan sosial merupakan prediktor stres (p value=0,000), kecemasan (p value=0,000), dan dukungan sosial (p value=0,000). Dukungan sosial merupakan prediktor paling dominan pada stres, kecemasan, dan kelelahan psikologi pada mahasiswa keperawatan di era pandemi COVID-19, hasil ini dapat digunakan sebagai dasar pengembangan intervensi keperawatan berbasis dukungan sosial untuk mengatasi masalah stres, kecemasan, dan kelelahan psikologi pada mahasiswa.
Наукові засади вдосконалення особистості майбутнього педагога та його готовності до морального виховання учнів початкової школи
Authors: Дубасенюк Олександра , Сидорчук Нінель
Published: January 2023

У статті на основі аналізу наукових джерел та проведених  досліджень, вивчено проблему вдосконалення особистості майбутнього педагога та його готовності  до морального виховання учнів початкової школи. Розглянуто сучасні концептуальні моделі розвитку особистості як-от: людиноцентрована модель, акмеологічна модель досягнень зрілої людини, модель неперервного розвитку особистості, модель «Я-центрованості» у вихованні та духовному розвитку особистості; стратегії особистісного та професійного зростання фахівців різного профілю. Виокремлено компоненти окресленої готовності майбутнього вчителя: ціннісно-мотиваційний, інформаційно-змістовий, діяльнісно-вчинковий, оцінювально-рефлексивний та відповідні критерії. На основі розробленої анкети здійснено дослідження стану готовності майбутніх учителів до морального виховання учнів початкової школи. Виявлено за результатами констатувального експерименту переважно середній та достатній рівень сформованості визначеної готовності. Отримані результати обґрунтовано відсутністю у більшості студентів чіткої програми морального вдосконалення, сформованих моральних принципів, недостатнім аналізом власних вчинків. Окреслено необхідність подальшої роботи у напрямі покращення якості підготовки майбутніх учителів до морального вдосконалення та виховання учнів.
Технологія реалізації інформальної освіти викладачів фармацевтичного профілю
Authors: Зубрицька Людмила , Зубрицька Тетяна , Мороз Ольга , Осінська Жанна
Published: January 2023

У статті розглянуто поняття «інформальна освіта» як напрям підвищення кваліфікації викладачів фармацевтичного профілю та вид їхньої освітньої діяльності. Виявлено, що в контексті трансформаційних змін сучасної системи освіти інформальна освіта фактично стає одним зі стрижневих чинників особистісного та професійного розвитку викладачів фармацевтичного профілю. Продемонстровано технологію реалізації інформальної освіти викладачами фармацевтичного профілю. З’ясовано, що запропонована технологія реалізації інформальної освіти передбачає участь або співучасть викладачів фармацевтичного профілю у різних взаємопов’язаних видах діяльності, які мають удосконалювати професійно-педагогічну компетентність, що складається з таких компонентів: ціннісно-мотиваційний (визначає зовнішню та внутрішню мотивацію викладачів фармацевтичного профілю до розвитку педагогічної компетентності, види їхнього стимулювання); пізнавальний (окреслює систему знань, яка забезпечує якість педагогічної компетентності); діяльнісний (містить комплекс продуктивних педагогічних дій на основі сукупності здобутих знань та вмінь); особистісний (характеризує особистісні якості викладачів, що визначають їхню поведінкову, індивідуально-психологічну складові).

Технологія реалізації інформальної освіти передбачає опрацювання викладачами фармацевтичного профілю літератури, статей за фахом, зокрема онлайн; опрацювання ресурсу енциклопедичних матеріалів «Вікіпедія»; опрацювання відеоконтенту мотиваційного характеру; опрацювання відеоконтенту фахового спрямування (зокрема канал https://www.youtube.com); участь у діяльності соціальної мережі Facebook; комунікативна діяльність у педагогічному колективі; участь у науково-методичній діяльності.

Передбачуваним результатом технології реалізації інформальної освіти викладачами фармацевтичного профілю є їхнє удосконалення особистісного й професійного рівня як викладачів фармацевтичного профілю.
Психолого-педагогічні аспекти адаптації першокурсників в умовах пандемії
Authors: Мельник Оксана , Волкова Світлана , Шемет Олена
Published: January 2023

У статті, на основі аналізу сучасних наукових праць та проведених власних досліджень, висвітлено проблему адаптації студентів першого курсу коледжу. Встановлено, що в умовах дистанційного навчання, зумовленого розповсюдженням COVID-19, система нових міжособистісних стосунків істотно трансформується. Цю проблему досить широко висвітлено в сучасних дослідженнях. Мета роботи – виявлення та аналіз деяких аспектів психологічної адаптації студентів першого курсу під час дистанційного процесу навчання та вироблення стратегій психолого-педагогічної підтримки. З’ясовано потребу отримувати та вивчати інформацію про нові труднощі, які трапляються першокурсникам, і на її основі організовувати психолого-педагогічний супровід. Також розкрито деякі психологічні особливості студентів перших курсів; охарактеризовано проблеми та труднощі, що виникають у першокурсників у процесі адаптації; запропоновано досвід роботи з першокурсниками щодо підвищення рівня їхньої соціально-психологічної адаптації; висвітлено напрямки роботи з успішного соціально-психологічної адаптації першокурсників в умовах дистанційної форми навчання. У матеріалах статті представлено дослідження соціально-психологічної адаптації першокурсників у коледжі в умовах дистанційного навчання, проведене на базі Житомирського базового фармацевтичного фахового коледжу, яке виявило, що студентам важко засвоювати деякі дисципліни та не вистачає живого спілкування з викладачами та одногрупникам. Окрім того, у статті наведено результати анкетування студентів, за якими визначено основні тенденції пристосування під час вимушеного переходу на режим дистанційної освіти в умовах пандемії. Визначено основні моменти психологічної адаптації з виявленням факторів, що їм сприяють. Наведено шляхи покращення адаптації студентів першого курсу під час такого виду навчання у професійній освіті. Робота може зацікавити всіх педагогів вищої школи, а також для психологів та дослідниківз питань психологічного здоров'я.
Використання методу оксфордських дебатів у процесі викладання гуманітарних дисциплін майбутнім іноземним філологам
Authors: Федорцова Олена
Published: January 2023

У статті йдеться про Оксфордські дебати як про різновид сучасної лекції – залучення студентів у процес спільної навчальної роботи, залучення їх до наукової творчості. Оксфордські дебати є формою тренінгу для підготовки студентів до публічних виступів, навчають принципів побудови виступу, техніці виступів та використанню невербальної комунікації. Оксфордські дебати навчають також дуже важливому виду діяльності студентів – підготовці до занять, методу, який може бути використаний для вивчення певної теми. Оксфордські дебати як лекції інноваційного типу характеризуються високою результативністю засвоєння матеріалу, оскільки характерною особливістю сучасної освіти є діяльнісна основа, яка означає взаємодію викладача і студента, їхній спільний навчальний пошук. Оксфордські дебати згідно з вимогами сучасної дидактики вищої освіти забезпечують великий обсяг засвоєння систематизованої і концентрованої навчальної інформації. Ми використали досвід закладів освіти Західної Європи, а саме Великої Британії, як приклад британського парламенту, в якому відображено метод Оксфордських дебатів. У статті перераховуються етапи підготовки, проведення та послідовність інноваційної методики, запропонованої майбутнім філологам іноземної мови. Ця методика допомагає формувати критичне ставлення до отриманої інформації, ознайомить з сучасними науковими досягненнями. Ми розкриваємо концепцію наведеної інноваційної методики та доцільність її використання в освітньому процесі.
Компетентність з педагогічного дизайну у підготовці інженерів-педагогів
Authors: Внукова Oльга , Удалова Олена , Величко Владислав
Published: January 2023

Розглянуто педагогічний дизайн як складову фахових компетентностей педагогів професійного навчання та важливість цієї складової у підготовці майбутніх педагогів для закладів професійної освіти. Здійснено короткий аналіз підходів науковців до трактування педагогічного дизайну, ролі та місця педагогічного дизайну в сучасному освітньому процесі, зокрема, в умовах застосування інформаційно-комунікаційних технологій. Представлено результати анкетування педагогів професійної школи щодо застосування педагогічного дизайну як перспективного напряму, що дозволяє будувати результативне онлайн навчання та змішане. Було виявлено, що сучасний стан підготовки майбутніх педагогів професійної школи щодо застосування педагогічного дизайну в освітньому процесі є неефективним.

Проведено теоретичне обґрунтування компетентності майбутніх педагогів професійної школи з педагогічного дизайну, що визначається єдністю когнітивних та процедурних компонентів. Критеріями формування цих компонентів є здатність побудови результативного освітнього процесу на основі цілей навчання, навчального матеріалу і сучасних інструментів, які можуть бути доступні в інформаційно‐освітньому середовищі, а також здатність забезпечувати ефективну психолого-педагогічну взаємодію з тими, хто навчається. Виявлено та експериментально підтверджено можливості навчальної дисципліни «Педагогічна майстерність» та переддипломної практики для набуття компетентності з педагогічного дизайну. Під час експерименту, у якому взяли участь здобувачі вищої освіти магістерського рівня зі спеціальності «Професійна освіта (за спеціалізаціями)», відбулися позитивні зміни у формуванні когнітивних та процедурних компонентів компетентності. Це підтверджує доцільність подальшого використання можливості педагогічної майстерності та переддипломної практики для набуття компетентності з педагогічного дизайну майбутніми педагогами професійної школи.
PRODUCTION OF FUEL ADDITIVE (TRIACETIN) FROM GLYCEROL AND ACETIC ACID USING ESTERIFICATION PROCESS WITH SULPHURIC ACID CATALYST
Authors: Buchori Luqman , Sihotang Ennio Reynaldo Hasiholan , Oktaviani Nurlita
Published: January 2023

Biodiesel is an alternative energy that can replace fossil fuel diesel. Biodiesel production by transesterification reaction produces glycerol. This study aims to form triacetin by reacting glycerol with acetic acid through an esterification reaction. The total volume of glycerol and acetic acid used in this study was 240 ml. Stirring speed was carried out at 100 rpm. The weight of the catalyst was varied at 5, 7, 9, 11, and 13% by weight of glycerol. The ratio of glycerol to acetic acid was varied at 1:4; 1:6; 1:8; 1:10; and 1:12. The content of triacetin was analyzed using GCMS. The results showed that the best operating conditions were obtained at a mole ratio of 1:12 glycerol and acetic acid, 13% catalyst weight, 80˚C reaction temperature and 60 minutes reaction time. The conversion obtained is 88.5%.
ERP ODOO IMPLEMENTATION IN SMALL RETAILERS
Authors: Arvianto Ary , Fanani Rosyada Zainal , Saptadi Singgih , Budiawan Wiwik , Demilda Yasa Ewa
Published: January 2023

This study aims to identify current traditional retail business processes (As-is), align, and integrate their business processes based on Enterprise Resource Planning (ERP). This ERP implementation minimizes recordkeeping errors and saves time supporting traditional retail businesses. The design of a new business process (To-Be) was built considering the ERP business process. This study used the system development process method of ERP, which includes the stages of planning, requirements analysis, design, detailed design, and implementation. In addition, a gap/fit analysis was carried out to compare the current business process analysis (As-Is) and the proposed business process (To-Be) after using the ERP Odoo system. This study found that the business processes at AH Mart traditional retail require several changes (re-engineering), from manual and unintegrated business processes to a computerized and integrated model between divisions. Differences in business processes that occur at AH Mart are in the warehouse, cashier, and treasurer. In the warehouse, the implementation of stock-opname with ERP can use barcodes, so the product data is neatly recorded in the system, and the number of incoming and outgoing products can be appropriately detected. The cashier uses a barcode system, and the total calculation of customer payments is automatically accumulated. Making financial reports by the treasurer is more effective because the report data for each division is already stored in the same database. This research provides insight into changing from conventional business processes to business processes based on Enterprise Resource Planning (ERP). ERP business process can be adapted by traditional retail in the modern era.
ESTIMATION OF GLOBAL SOLAR RADIATION USING SUNSHINE HOURS IN SOKOTO NIGERIA
Authors: Hamza, B  , Garba, S.
Published: January 2023

Inadequate installations of materials such as solar water heater, solar still, solar dryer, and solar cooker etc. Which required solar radiation and maximally, in the area location of is a major problem and this hinders the abundant utilization of solar energy as it can be harnessed directly without any requirement of external energy such as electricity. It is the lack of the information that limits the number of installations in the study area. Therefore, it is compulsory to study and analyzed the solar radiation of our environment to get better view of monitoring the performance of solar energy conversion system in Sokoto State, so that companies and government should know what period or seasons can therefore utilize the abundant solar energy. A new model was developed for estimation the monthly average daily global solar radiation. In this research a modified angstrom model for estimation of global solar radiation in Sokoto, Nigeria using sunshine duration based on meteorological data were used. However, solar radiation estimates are too local since they rely on weather stations or have a resolution that is too satellites. In this work, a model was developed for estimation of global solar radiation on horizontal surface for Sokoto at latitude of m13 13.00E and longitude of 5.250N. Global solar radiation and maximum temperature data for Sokoto were used to fit the Angstrom model, Regression coefficient a, b, and c. 1.12, 0.65, and 0.32 respectively were obtained from the models base on sunshine duration respectively. In order to evaluate the results, three statistical methods have been used namely: mean bias, root mean square, and percentage errors of values -6.47, 6.47 and 41.20% respectively. It was found from statistical model’s performance indicators that the model provides reasonably high degree of precision in the estimation of average global solar radiation on horizontal surfaces.
STRATEGIC IMPLEMENTATION OF COVID-19 CONTROL POLICIES IN THE MANAGEMENT OF ULEE LHEUE PORT MANAGEMENT, BANDA ACEH CITY, ACEH PROVINCE
Authors: Al Munawar  , Syarifuddin  , Zulkifli
Published: January 2023

Reliable transportation services can be achieved by optimizing the utilization of transportation facilities and infrastructure as well as operational aspects. Limited resources in management is a challenge that can be overcome with several strategies, one of which is through the cooperation of the parties. This study aims to analyze the strategy for implementing the Covid-19 control policy in the management of the Ulee Lheue port in Banda Aceh. This research is survey research with a qualitative approach, using SWOT. The sample in this study amounted to 15 respondents. The results of this study indicate that the SWOT analysis at the Ulee Lheue ferry port obtained strength in infrastructure, land resources, and departure information. In terms of opportunities, it is found that the rate of population growth, routes to Sabang, the tourism sector and markets are not limited. For threats, namely the pandemic problem that has not ended, so that business activities related to ports may be reduced. There are many obstacles that check point officers face when carrying out checks at the border. Catching people entering Aceh's Ulee Lheu Port requires a different strategy. Inspection needs to adjust to the availability of check point infrastructure, personnel, and traffic conditions in the area itself. Sea/Port transportation controls are carried out to reduce interactions, travel restrictions, and gathering of people in crowded places because the most worrying means of spreading the virus are transportation, especially public transport. Based on the results of this study, the authors suggest to the Management of the Ulee Lheue port in Banda Aceh to be able to improve the physical/infrastructure improvements on a regular basis by utilizing the initial investment and also annual cash inflow from the pattern of business cooperation with other parties, if the budget is against the Detailed Engineering Design (DED) that is it is not yet certain when it will be implemented.
THE INFLUENCE OF COMPETENCE, JOB CHARACTERISTICS AND ORGANIZATIONAL SUPPORT ON EMPLOYEE PERFORMANCE WITH EMPLOYEE ENGAGEMENT MEDIATION IN PRIVATE HOSPITAL IN BANDA ACEH
Authors: Junita Riza , Syarifuddin  , Asni Kurnia , Agusmadi
Published: January 2023

Organizational support and employee engagement are needed to achieve the hospital's commitment to employees in carrying out the structural wheels of hospital management. This study aims to analyze the influence of competence, job characteristics and organizational support on employee performance mediated by employee engagement at private hospitals in Banda Aceh. The sample in this study amounted to 100 respondents. This research is survey research with a quantitative approach, using Smart PLS. The results of this study show that competency has no effect (p=0.2107 > 0.05) or Ha is rejected on employee performance and competence has a significant effect (p=0.000 0.05) or Ha are accepted on employee performance and job characteristics have an effect (p=0.032 > 0.05) or Ha are accepted on employee engagement in private hospitals in Banda Aceh. Organizational support had no effect (p=0.945 0.05) or Ha was rejected on employee engagement at private hospitals in Banda Aceh. And Employee engagement has no effect (p=0.403 > 0.05) or Ha is rejected on employee performance at Private Hospitals in Banda Aceh. Based on the research results, it can be concluded that the variable employee characteristics is the most dominant variable influencing employee performance and employee engagement. So the authors suggest to the hospital to be able to create a good organizational environment and feel for the employee's work environment.
HOW DOES INTERNET ADDICTION AFFECTS THE FUTURE OF TOURISM?
Authors:   Independent Researcher, Larnaca Cyprus, Kouklou Demetris
Published: January 2023

The purpose of this study was to examine the kind and frequency of higher education students in Cyprus pathological behaviors related to internet addiction, as observed by higher education lecturers. A quantitative approach was used to analyze and understand in which level internet obsession ascends, the way in which it affects all aspects of higher education students’ life and their involvement at professional hospitality and tourism workplace and the kinds of programs and policies that could be used in schools to prevent internet compulsion. As a result, to affect the quality of service and the future of tourism in Cyprus. Corresponding to the results of this research, higher education teachers encounter very often the students with internet addiction in their theoretical and practical classes and they observe several symptoms such as distraction and mental absence from class. Thus, this research shows that students’ results are very influenced by internet addiction and their level of involvement in school. Last, according to the results of this research, prevention policies should focus on school policies and practices to understand the phenomenon of internet addiction.
THE FUTURE OF SERBIAN RURAL TOURISM OBSERVED THROUGH THE PRISM OF GASTRONOMY DEVELOPMENT
Authors:   University of Kragujevac, Faculty of Hotel Management and Tourism in Vrnjačka Banja, Serbia, Cvijanović Drago , Gajić Tamara ,   Geographical Institute “Jovan Cvijić”, SASA, Belgrade, Serbia; Institute of Sports, Tourism and Service, South Ural State University, Chelyabinsk, Russia; University of Kragujevac, Faculty of Hotel Management and Tourism in Vrnjačka Banja, Serbia
Published: January 2023

As the world slowly recovers from COVID-19 and borders gradually begin to open, changes are also expected in tourism trends. The aim of the research was to determine to what extent gastronomy as a tourism product will contribute to the development of rural tourism in some future period. By researching the quality of gastronomic products in rural households, and the expectations of the hosts, it was concluded that all predictors can significantly predict the future development of rural tourism through a stronger presentation of gastronomic products in Serbia. The sample included 225 respondents. A model of higher order factor analysis and hierarchical regression analysis were used, with the introduction of a mediator variable. The importance of research is reflected in encouraging the development of rural tourism products, with implications for the overall economic and social environment.
AGROTOURISM IN THE FUNCTION OF WOMEN'S EMPOWERMENT – ILLUSTRATION FROM RURAL AREA OF KOSOVO AND METOHIJA
Authors:   University of Priština, Faculty of Agriculture, Lešak, Serbia, Maksimović Goran , Anđušić Ljilјana ,   University of Priština, Faculty of Agriculture, Lešak, Serbia
Published: January 2023

Nowadays, it is very difficult for women in the countryside to achieve their job and become empowered in that field. Agrotourism is a leading opportunity for the wider inclusion of women living in rural areas. The aim of the study is to determine the effect of the position of women and the empowerment of women for stronger involvement in agritourism development, in Sirinić district, Kosovo and Metohija. Also, the aim was to determine the differences in attitudes in relation to age and material status. The results indicate the existence of significant influences for stronger engagement of women in rural areas, as well as differences in attitudes in relation to the surveyed demographic categories. The importance of research is reflected primarily in the encouragement of women for stronger participation in the development of agritourism, as a form of women's entrepreneurship.
SUPPLY CHAIN MANAGEMENT FOR TOURISM DEVELOPMENT
Authors:   Military Academy, University of Defense, Belgrade, Mihajlović Milan , Kostić Radan ,   Military Academy, University of Defense, Belgrade
Published: January 2023

Tourism is a sector that is developing and growing faster and faster. In conditions of growing competition, logistics is one of the key success factors. Intensive development and competitive advantage of tourist destinations is achieved by applying the basic principles of logistics: simultaneous and comprehensive optimization of all links in the flows of materials, energy and information, which participate in shaping the supply of tourist locations and creating their tourist products. This paper describes the structure and main problems of supply chain management in tourism, their current state and factors that prevent the implementation and integration of supply chain activities within the tourism sector. The aim of this paper is to emphasize the role and importance of logistics and tourism operators in planning and optimizing logistics activities and increasing the competitiveness of tourism products.
THE FUTURE OF EDUCATIONAL (CREATIVE) TOURISM: THE CASE OF WWII MONUMENTS IN RASINA COUNTY
Authors:   University of Belgrade, Faculty of Philosophy, Art History Department, Seminar for Museology and Heritology, Belgrade, Jokanović Milena , Đorđević Marija ,   University of Belgrade, Faculty of Philosophy, Institute for Art History, Belgrade
Published: January 2023

Limitations of physical movement and interaction, imposed by COVID-19 prevention regulations, strongly altered the perception of leisure activities and commodities, affecting tourism, culture and education sector. The demand of procuring ways for cultural/education institutions to establish a more dynamic approach to their users and consumers has overgrown the development of digital presence and rethinking of the physical encounters occurring in the “new normal” was instigated. The paper addresses a new format in which the educational and cultural sector use tourism tools to enhance their core functions, through a case study of an international summer seminar “Towards a performative turn in heritage studies”, as a local-specific merge of cultural and educational tourism using the infrastructure connected to the WWII monuments in Rasina County; as an example of development potentials based on reusing the often overlooked past and present touristic and cultural assets of this region by including educational and cultural/art programs in defining new heritage tourism routes.
RESIDENTS SUPPORT FOR TOURISM IN POST-PANDEMIC TIME – A CASE STUDY OF VRNJAČKA BANJA
Authors:   University of Kragujevac, Faculty of Hotel Management and Tourism in Vrnjačka Banja, Đorđević Nataša , Milićević Snežana ,   University of Kragujevac, Faculty of Hotel Management and Tourism in Vrnjačka Banja
Published: January 2023

The future of tourism after one of the greatest health crises caused by the novel coronavirus is uncertain. Fear of infection and health concerns increased during the pandemic. The restrictive measures have limited international travel, which led to great expectations of an end to the pandemic for freer movement and safe travel. The great consequences of the COVID-19 for the tourism industry and tourism destinations will have its effects even after the end, and the post-pandemic tourism recovery strategies should be well planned and in focus along with strategies for the keeping tourism industry during the crisis. This paper aims to investigate the residents’ support for post-pandemic tourism in one of the most famous tourism destinations in Serbia, Vrnjačka Banja. The support of the residents was observed taking into account their perceptions on tourism during the pandemic.
THE INFLUENCE OF SOCIAL AND TECHNOLOGICAL PROGRESS ON THE FORMING OF TOURISM OF THE FUTURE
Authors:   Institute for Agriculture and Tourism Poreč, Croatia, Ružić Pavlo , Amidžić Dragoljub ,   “Baltazar Adam Krčelić”, Zaprešić, Hrvatska
Published: January 2023

Recently, the world has seen intense social and technological progress that has significantly changed the habits, desires, needs and lifestyle of people in general. The resulting changes will affect the development of tourism, which must adapt to the new circumstances. In this regard, the focus of research in this paper is on tourism of the future, and a hypothesis is set which assumes that technological and social development will determine the tourism of the future, new tourist destinations and trends in tourism demand and supply. To prove the hypothesis, the authors will use a combination of SWOT and the method of analysis, which will explore the social interactions of new circumstances and their impact on shaping future tourism.
COVID19 TOURISM AND MODERN TREND IN THE APPLICATION OF INFORMATION TECHNOLOGIES
Authors:   Western Serbia Academy of Applied Studies, Užice, Serbia, Stankov Slobodanka , Jordović Pavlović Miroslava ,   Western Serbia Academy of Applied Studies, Užice, Serbia
Published: January 2023

Tourism is one of the most impacted sectors of the economy caused by the COVID-19 pandemic consequences. The transformation of the tourism industry has conditioned new tourism trends and influenced the development of nature-based tourism. The research of the tourism market shows changes in consumer behaviour and motives of tourism movements. The meeting with the destination value chain where they travel is extremely important for modern tourists. The destination as a ʻvalue chainʼ consists of related activities making it recognizable and more competitive in the tourism market. The value chain assessment is an indicator of tourists’ satisfaction degree with the provided and used service, i.e. the tourism destination ʻfinalʼ product. The application of information technologies has a key role in the tourists’ assessment of the value chain and the destination selection. The future tourism research will be based on the application of BD, BD analytics and business analytics.
THE FUTURE OF TOUR GUIDING AND ITS TRENDS IN THE POST COVID-19 SOCIETY
Authors:   Academy of Applied Studies Belgrade, Belgrade, Žerajić Andrea
Published: January 2023

The corona virus has shaped our everyday life in many ways during the last two years. The COVID-19 pandemic has upended the travel and tourism industries and opened many questions about the future of individuals working in the tourism industry. Traditional well-known concepts must be changed. The urban tourist of the post-covid time will probably travel in a world more digitally mediated than ever before. To stay relevant during the pandemic, business organizations had to apply digital tools. Tourism organizations did the same. Therefore, the position and perspectives of the tour guides whose role has always been an inevitable segment of the touristic offer has been called into question and is significantly threatened. The number of tourists was limited because of lockdowns, which seemingly led to disappearance of the ‘traditional’ guided group tours. This paper aims to provide the description of the position of the tour guides in the world considering the current epidemiological situation and to focus on the future trends that should be developed in this field. It also emphasizes the importance of recognizing new forms of touristic offers that shall influence the way of engaging tour guides, thus considering whether digitalization will somehow suppress the “live performance” of a tour guide.