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Formosa Journal of Science and Technology (FJST)
Published by PT FORMOSA CENDEKIA GLOBAL
ISSN : -     EISSN : 29646804     DOI : https://doi.org/10.55927/fjst.v1i2
Core Subject : Humanities, Science, Education, Social, Engineering,
Humanities Computer Science & IT Education Industrial & Manufacturing Engineering Social Sciences
Formosa Journal of Science and Technology (FJST) is an open-access scientific journal that publishing full-length research papers and review articles covering subjects that fall under the wide spectrum of science and technology. FJST journal is dedicated towards dissemination of knowledge related to the advancement in science and technology. The prestigious interdisciplinary editorial board reflects the diversity of subjects covered in this journal. Under the realm of science and technology, the coverage includes environmental science, pure and applied mathematics, agricultural research and engineering, biology, biotechnology, bioinformatics, management science, business and economics, Healthcare sciences (including clinical medicine, preventive medicine & public health), physics, biophysics, computer science, chemistry and bioengineering, to name a few. Formosa Journal of Science and Technology is published by Formosa Publisher. The journal now brings out monthly publications. It supports the open access policy for making scientific research accessible to one and all.
Arjuna Subject : Umum - Umum
Articles 17 Documents
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Search results for , issue "Vol. 2 No. 12 (2023): December 2023" : 17 Documents clear
Hardness Test Analysis on ST 37 Steel Plate Material and Aluminum Using the Brinell Test Method Sinaga, Franklin Taruyun Hudeardo; Boangmanalu, Eka Putra Dairi; Pratama, Angga Bahri; Saragi, Jandri Fan HT; Al Qadry; Sahat
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7035

Abstract

One of the most frequently used methods of material testing is hardness testing. The aim of conducting research on material hardness is to determine the hardness value of the material specimens tested, namely ST 37 steel plate and aluminum plate. The test method is to use the Brinell hardness test where the values ​​obtained during testing are from the force load, indenter diameter and pressure trace diameter and the pressure time that has been determined. By using testing tools such as hardness tester, mechanical caliper, indenter, flat file, stopwatch. And the materials used are ST 37 steel plate, aluminum plate and sandpaper. From the test results obtained we can calculate the Brinell hardness value of the test material. The value from the calculation of test data where the highest hardness value using the Brinell method (BHN) for ST 37 steel plate material is 256.992. Meanwhile, the highest hardness value using the Brinell method (BHN) for aluminum plate material is 55,182.
Optimization of Antibacterial Metabolite Production and Antioxidant Activity of Endophytic Fungi Isolate from Kelakai (Stenochlaena palustris) Muthma'innah Mashar, Harlyanti; Supriyono, Teguh; Suhaera, Suhaera; Ismail, Ismail; Dali, Dali; Isrul, Muhammad
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7040

Abstract

This research aims to optimize the production of antibacterial metabolites and test the antioxidant activity of endophytic isolates from kelakai (Stenochlaena palustris). The research results showed that the optimum growth profile of the isolate showed that exponential growth only started on day 1 and reached a maximum on day 17. Based on pH variations, it shows that pH 7 is the optimum pH in inhibiting bacterial growth, and based on variations in carbon sources, it shows that fructose is a better carbon source than glucose. Antimicrobial activity test using ethyl acetate extract from endophytic fungal fermentate based on differences in pH and carbon source showed antimicrobial activity against S. aureus and E. coli with the inhibition zone diameters being 13.50 mm and 11.35 mm, respectively.
Charpy and Izod Method Impak Strength Analysis on ST 37 Steel with Temperature Variations Boangmanalu, Eka Putra Dairi; Pratama, Angga Bahri; Qadry, Al; Saragi, Jandri Fan HT; Sinaga, Franklin Taruyun Hudeardo
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7074

Abstract

This research is impact testing using the Charpy and Izod methods, temperature variations of 1500 C, 2500 C and raw material as the research variable. The results of the Charpy test with a variation of 150 0C obtained a maximum absorbed energy of 97.65 J, with an impact value of 0.222 J/mm2. Then the maximum energy absorbed through testing at a temperature of 2500C is 78.28 Joules and the impact value is 0.177 J/mm2. Furthermore, the raw material test results showed that the maximum energy absorbed was 145.96 J with an impact value of 0.330 J/mm2. Izod testing with a temperature of 1500C obtained a maximum absorbed energy of 60.94 J with an impact value of 0.101 J/mm2. Furthermore, the maximum energy absorbed at a temperature of 2500C is 36.83 Joules and the impact value is 0.061 J/mm2. The raw material test results show that the maximum energy that can be absorbed is 80.53 J with an impact price of 0.133 J/mm2
Analysis of the Role of Social Entrepreneurs Broadcasting Institutions towards Sustainable Smart City through Value Added and Citizen Journalism Yani, Ahmad; Evasai, Aprilia Dian
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7143

Abstract

Social entrepreneurship is an institution that not only operates in the social sector, but is also an institution that tries to gain profit from its business. Radio Andika as a broadcasting institution organized these two activities. On the one hand, this institution carries out profit activities, namely from various income obtained through advertisements, on the other hand, this institution also carries out social activities such as Friday Blessings, Friends of the Dhuafa, Caring for Orphans and various other social activities. This research aims to determine the influence of broadcasting institutions' social entrepreneurship on smart city sustainability with value added and citizenship journalism as mediating variables. The research results show that the social entrepreneur variable has no direct effect on the sustainability of smart cities; the value added variable cannot mediate the influence of social entrepreneurship on smart city sustainability; The citizenship journalism variable can mediate the influence of social entrepreneurship on the sustainability of smart cities.
The Meaning and Values Contained in the Traditional Music Performing Art of Gendang Guro-Guro Aron in Singa Village, Tiga Panah, Karo District Gulo, Hubari; Ginting, Yoe Anto; Naiborhu, Torang
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7148

Abstract

The traditional musical performance art Gendang Guro-Guro Aron Aron is an important part of the culture and identity of the people of Singa Village, Tiga Panah District, Karo Regency. This research aims to explore the meaning an d values contained in the performing arts. The research method used is a qualitative method with an interactive model. Data collection using participant observation, interviews, and literature study to holistically understand the Guro-Guro Aron Gendang. The research results show that the Guro-Guro Aron Gendang is not only entertainment but also contains religious, historical, and social meanings. This traditional music is a medium for conveying moral messages and local wisdom values that have been passed down from generation to generation. This research provides a deeper understanding of the rich culture and values that live in the traditional musical performance art Gendang Guro-Guro Aron.
Cultural Values and Preservation Efforts of the Karo Ethnic Ndikkar Dance in Lingga Village, Simpang Empat District Ginting, Yoe Anto; Gulo, Hubari
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7149

Abstract

The Ndikkar dance is a rich and valuable cultural heritage of the Karo tribe in Lingga Village, Simpang Empat District. This dance reflects deep cultural values and is an important part of the Karo ethnic identity. Social changes and the influence of modernization can threaten this dance's sustainability. This research aims to identify and analyze the cultural values of the Ndikkar dance and develop effective preservation strategies to maintain cultural continuity. The research method used is a qualitative method with an interactive model. Data collection using participant observation, interviews, and literature study to holistically understand the Ndikkar dance and its cultural context. The research results show that the Ndikkar dance contains various cultural values, including religious, social, and aesthetic values. There are various challenges, such as the changing values of the younger generation and a lack of institutional support, that could threaten the survival of this dance. Holistic conservation efforts involving community participation, strengthening cultural values in education, and collaboration between the government and the community are important keys to preserving the Ndikkar dance and Karo tribal culture as a whole.
Family Financial Management Behavior in Housewives (A Phenomenological Review) Nadhiroh, Umi; Mukhlis, Imam
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7223

Abstract

Financial management is a person's way of managing their finances, starting from planning, budget design, methods of saving funds, controlling expenses, to risk protection. The goal is to achieve economic stability in the future. This type of research is qualitative research with a phenomenological approach. Data collection techniques using participatory observation, non-participatory observation, interviews and documentation. The results of this research show that the behavior that occurs is that some of the informants have recorded their income and expenses every day, save regularly in the form of saving money, prepare emergency funds, and participate in social gatherings. They consider social gatherings to be part of saving. The most important management of family income is for consumption needs, then for children's school financing needs and social needs.
The Relationship Between Knowledge Level and Accuracy of Primary Menstrual Pain Self-Medication in Tahfidz Qur'an Islamic Boarding School Students Nurul Huda Joyosuko Metro, Malang Novia, Maulina; Dela, Dela; H, Sugihantoro; A, Hakim; B, Ma’arif
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7228

Abstract

Self-medication is the preferred method for treating minor illnesses based on individual decision. The method used is descriptive analysis. Distributing questionnaires directly to a sample of 85 respondents was used to collect data. This research is a correlational analysis research with a cross-sectional design. Samples were collected using a non-random sampling method with a total sampling method. The research results showed that 93% of respondents had a high level of knowledge, 3% had a medium level, and 4% had a low level. In terms of behavior or acquisition, 88.24% had a good rating, 10.59% had a medium rating, and 1.18% had bad behavior. Spearman's rank correlation analysis produced a calculated r value of 0.537 and a p value of 0.000, indicating a strong and significant positive relationship between knowledge of the adequacy of self-assessment and treatment of primary dysmenorrhea and the feasibility of self-treatment.
The Impact of Profitability, Corporate Size, and Public Ownership on the Disclosure of Sustainability Reports Listed in Indonesia Mediaty, Mediaty; Pratiwi, Nurfadilah
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7262

Abstract

This research seeks to explore the impact of profitability, company size, and public ownership on the disclosure of sustainability reports. Employing a quantitative research approach, the study utilizes secondary data sourced from the official Indonesia Stock Exchange (IDX) website. The collected data is then analyzed using the SPSS tool. The research focuses on companies listed in LQ-45 on the IDX during the period 2020-2022, with purposive sampling as the chosen method. The findings of this study reveal the following: (1) Profitability does not exert a significant negative influence on sustainability report disclosure for PT Antam Tbk, PT Perusahaan Gas Negara Tbk, and PT Vale Tbk; (2) Company size demonstrates a significant positive impact on sustainability report disclosure for PT Antam Tbk, PT Perusahaan Gas Negara Tbk, and PT Vale Tbk; (3) Public ownership exhibits a significant negative effect on sustainability report disclosure for PT Antam Tbk, PT Perusahaan Gas Negara Tbk, and PT Vale Tbk.
The Use of E-commerce on the Behaviour and Lifestyle of Buying Products Online among Students of the University of Sumatera Utara Tampubolon, Argindo Pratama; Zulkarnain, Iskandar; Mazdalifah, Mazdalifah
Formosa Journal of Science and Technology Vol. 2 No. 12 (2023): December 2023
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/fjst.v2i12.7268

Abstract

This study aims to determine the effect of using E-Commerce on online buying behavior among North Sumatra University students, the effect of using E-Commerce on the lifestyle of North Sumatra University students, and the effect of using E-Commerce on product buying behavior and lifestyle. University of North Sumatra students. This study uses quantitative methods using correlational methods. The results showed that there was an effect of using E-Commerce as a medium for buying products online with the buying behavior of University of North Sumatra students with a correlation value of 0.293 which shows a low but definite level of influence. There is an influence of the use of E-Commerce in the lives of students at the University of North Sumatra with a correlation value of 0.296 indicating a low but definite level of influence. There is an effect of using E-Commerce as a medium for buying products online with the buying behavior and lifestyle of North Sumatra University students of 0.284 which shows a low but definite level of influence. In addition, the results of the positive correlation value show a unidirectional effect.

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